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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libvpx/vp8/encoder/onyx_if.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp8/encoder/onyx_if.c')
-rw-r--r--media/libvpx/vp8/encoder/onyx_if.c6011
1 files changed, 6011 insertions, 0 deletions
diff --git a/media/libvpx/vp8/encoder/onyx_if.c b/media/libvpx/vp8/encoder/onyx_if.c
new file mode 100644
index 000000000..40e29e191
--- /dev/null
+++ b/media/libvpx/vp8/encoder/onyx_if.c
@@ -0,0 +1,6011 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#include "vpx_config.h"
+#include "./vpx_scale_rtcd.h"
+#include "./vpx_dsp_rtcd.h"
+#include "./vp8_rtcd.h"
+#include "vp8/common/onyxc_int.h"
+#include "vp8/common/blockd.h"
+#include "onyx_int.h"
+#include "vp8/common/systemdependent.h"
+#include "quantize.h"
+#include "vp8/common/alloccommon.h"
+#include "mcomp.h"
+#include "firstpass.h"
+#include "vpx/internal/vpx_psnr.h"
+#include "vpx_scale/vpx_scale.h"
+#include "vp8/common/extend.h"
+#include "ratectrl.h"
+#include "vp8/common/quant_common.h"
+#include "segmentation.h"
+#if CONFIG_POSTPROC
+#include "vp8/common/postproc.h"
+#endif
+#include "vpx_mem/vpx_mem.h"
+#include "vp8/common/swapyv12buffer.h"
+#include "vp8/common/threading.h"
+#include "vpx_ports/vpx_timer.h"
+#if ARCH_ARM
+#include "vpx_ports/arm.h"
+#endif
+#if CONFIG_MULTI_RES_ENCODING
+#include "mr_dissim.h"
+#endif
+#include "encodeframe.h"
+
+#include <math.h>
+#include <stdio.h>
+#include <limits.h>
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+extern int vp8_update_coef_context(VP8_COMP *cpi);
+extern void vp8_update_coef_probs(VP8_COMP *cpi);
+#endif
+
+extern void vp8cx_pick_filter_level_fast(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi);
+extern void vp8cx_set_alt_lf_level(VP8_COMP *cpi, int filt_val);
+extern void vp8cx_pick_filter_level(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi);
+
+extern void vp8_deblock_frame(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *post, int filt_lvl, int low_var_thresh, int flag);
+extern void print_parms(VP8_CONFIG *ocf, char *filenam);
+extern unsigned int vp8_get_processor_freq();
+extern void print_tree_update_probs();
+extern int vp8cx_create_encoder_threads(VP8_COMP *cpi);
+extern void vp8cx_remove_encoder_threads(VP8_COMP *cpi);
+
+int vp8_estimate_entropy_savings(VP8_COMP *cpi);
+
+int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest);
+
+extern void vp8_temporal_filter_prepare_c(VP8_COMP *cpi, int distance);
+
+static void set_default_lf_deltas(VP8_COMP *cpi);
+
+extern const int vp8_gf_interval_table[101];
+
+#if CONFIG_INTERNAL_STATS
+#include "math.h"
+
+extern double vp8_calc_ssim
+(
+ YV12_BUFFER_CONFIG *source,
+ YV12_BUFFER_CONFIG *dest,
+ int lumamask,
+ double *weight
+);
+
+
+extern double vp8_calc_ssimg
+(
+ YV12_BUFFER_CONFIG *source,
+ YV12_BUFFER_CONFIG *dest,
+ double *ssim_y,
+ double *ssim_u,
+ double *ssim_v
+);
+
+
+#endif
+
+
+#ifdef OUTPUT_YUV_SRC
+FILE *yuv_file;
+#endif
+#ifdef OUTPUT_YUV_DENOISED
+FILE *yuv_denoised_file;
+#endif
+
+#if 0
+FILE *framepsnr;
+FILE *kf_list;
+FILE *keyfile;
+#endif
+
+#if 0
+extern int skip_true_count;
+extern int skip_false_count;
+#endif
+
+
+#ifdef VP8_ENTROPY_STATS
+extern int intra_mode_stats[10][10][10];
+#endif
+
+#ifdef SPEEDSTATS
+unsigned int frames_at_speed[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+unsigned int tot_pm = 0;
+unsigned int cnt_pm = 0;
+unsigned int tot_ef = 0;
+unsigned int cnt_ef = 0;
+#endif
+
+#ifdef MODE_STATS
+extern unsigned __int64 Sectionbits[50];
+extern int y_modes[5] ;
+extern int uv_modes[4] ;
+extern int b_modes[10] ;
+
+extern int inter_y_modes[10] ;
+extern int inter_uv_modes[4] ;
+extern unsigned int inter_b_modes[15];
+#endif
+
+extern const int vp8_bits_per_mb[2][QINDEX_RANGE];
+
+extern const int qrounding_factors[129];
+extern const int qzbin_factors[129];
+extern void vp8cx_init_quantizer(VP8_COMP *cpi);
+extern const int vp8cx_base_skip_false_prob[128];
+
+/* Tables relating active max Q to active min Q */
+static const unsigned char kf_low_motion_minq[QINDEX_RANGE] =
+{
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,1,1,1,1,1,1,1,1,2,2,2,2,
+ 3,3,3,3,3,3,4,4,4,5,5,5,5,5,6,6,
+ 6,6,7,7,8,8,8,8,9,9,10,10,10,10,11,11,
+ 11,11,12,12,13,13,13,13,14,14,15,15,15,15,16,16,
+ 16,16,17,17,18,18,18,18,19,20,20,21,21,22,23,23
+};
+static const unsigned char kf_high_motion_minq[QINDEX_RANGE] =
+{
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 1,1,1,1,1,1,1,1,2,2,2,2,3,3,3,3,
+ 3,3,3,3,4,4,4,4,5,5,5,5,5,5,6,6,
+ 6,6,7,7,8,8,8,8,9,9,10,10,10,10,11,11,
+ 11,11,12,12,13,13,13,13,14,14,15,15,15,15,16,16,
+ 16,16,17,17,18,18,18,18,19,19,20,20,20,20,21,21,
+ 21,21,22,22,23,23,24,25,25,26,26,27,28,28,29,30
+};
+static const unsigned char gf_low_motion_minq[QINDEX_RANGE] =
+{
+ 0,0,0,0,1,1,1,1,1,1,1,1,2,2,2,2,
+ 3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,
+ 7,7,7,7,8,8,8,8,9,9,9,9,10,10,10,10,
+ 11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,
+ 19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,
+ 27,27,28,28,29,29,30,30,31,31,32,32,33,33,34,34,
+ 35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,
+ 43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58
+};
+static const unsigned char gf_mid_motion_minq[QINDEX_RANGE] =
+{
+ 0,0,0,0,1,1,1,1,1,1,2,2,3,3,3,4,
+ 4,4,5,5,5,6,6,6,7,7,7,8,8,8,9,9,
+ 9,10,10,10,10,11,11,11,12,12,12,12,13,13,13,14,
+ 14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21,
+ 22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,
+ 30,30,31,31,32,32,33,33,34,34,35,35,36,36,37,37,
+ 38,39,39,40,40,41,41,42,42,43,43,44,45,46,47,48,
+ 49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64
+};
+static const unsigned char gf_high_motion_minq[QINDEX_RANGE] =
+{
+ 0,0,0,0,1,1,1,1,1,2,2,2,3,3,3,4,
+ 4,4,5,5,5,6,6,6,7,7,7,8,8,8,9,9,
+ 9,10,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
+ 17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,
+ 25,25,26,26,27,27,28,28,29,29,30,30,31,31,32,32,
+ 33,33,34,34,35,35,36,36,37,37,38,38,39,39,40,40,
+ 41,41,42,42,43,44,45,46,47,48,49,50,51,52,53,54,
+ 55,56,57,58,59,60,62,64,66,68,70,72,74,76,78,80
+};
+static const unsigned char inter_minq[QINDEX_RANGE] =
+{
+ 0,0,1,1,2,3,3,4,4,5,6,6,7,8,8,9,
+ 9,10,11,11,12,13,13,14,15,15,16,17,17,18,19,20,
+ 20,21,22,22,23,24,24,25,26,27,27,28,29,30,30,31,
+ 32,33,33,34,35,36,36,37,38,39,39,40,41,42,42,43,
+ 44,45,46,46,47,48,49,50,50,51,52,53,54,55,55,56,
+ 57,58,59,60,60,61,62,63,64,65,66,67,67,68,69,70,
+ 71,72,73,74,75,75,76,77,78,79,80,81,82,83,84,85,
+ 86,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100
+};
+
+#ifdef PACKET_TESTING
+extern FILE *vpxlogc;
+#endif
+
+static void save_layer_context(VP8_COMP *cpi)
+{
+ LAYER_CONTEXT *lc = &cpi->layer_context[cpi->current_layer];
+
+ /* Save layer dependent coding state */
+ lc->target_bandwidth = cpi->target_bandwidth;
+ lc->starting_buffer_level = cpi->oxcf.starting_buffer_level;
+ lc->optimal_buffer_level = cpi->oxcf.optimal_buffer_level;
+ lc->maximum_buffer_size = cpi->oxcf.maximum_buffer_size;
+ lc->starting_buffer_level_in_ms = cpi->oxcf.starting_buffer_level_in_ms;
+ lc->optimal_buffer_level_in_ms = cpi->oxcf.optimal_buffer_level_in_ms;
+ lc->maximum_buffer_size_in_ms = cpi->oxcf.maximum_buffer_size_in_ms;
+ lc->buffer_level = cpi->buffer_level;
+ lc->bits_off_target = cpi->bits_off_target;
+ lc->total_actual_bits = cpi->total_actual_bits;
+ lc->worst_quality = cpi->worst_quality;
+ lc->active_worst_quality = cpi->active_worst_quality;
+ lc->best_quality = cpi->best_quality;
+ lc->active_best_quality = cpi->active_best_quality;
+ lc->ni_av_qi = cpi->ni_av_qi;
+ lc->ni_tot_qi = cpi->ni_tot_qi;
+ lc->ni_frames = cpi->ni_frames;
+ lc->avg_frame_qindex = cpi->avg_frame_qindex;
+ lc->rate_correction_factor = cpi->rate_correction_factor;
+ lc->key_frame_rate_correction_factor = cpi->key_frame_rate_correction_factor;
+ lc->gf_rate_correction_factor = cpi->gf_rate_correction_factor;
+ lc->zbin_over_quant = cpi->mb.zbin_over_quant;
+ lc->inter_frame_target = cpi->inter_frame_target;
+ lc->total_byte_count = cpi->total_byte_count;
+ lc->filter_level = cpi->common.filter_level;
+
+ lc->last_frame_percent_intra = cpi->last_frame_percent_intra;
+
+ memcpy (lc->count_mb_ref_frame_usage,
+ cpi->mb.count_mb_ref_frame_usage,
+ sizeof(cpi->mb.count_mb_ref_frame_usage));
+}
+
+static void restore_layer_context(VP8_COMP *cpi, const int layer)
+{
+ LAYER_CONTEXT *lc = &cpi->layer_context[layer];
+
+ /* Restore layer dependent coding state */
+ cpi->current_layer = layer;
+ cpi->target_bandwidth = lc->target_bandwidth;
+ cpi->oxcf.target_bandwidth = lc->target_bandwidth;
+ cpi->oxcf.starting_buffer_level = lc->starting_buffer_level;
+ cpi->oxcf.optimal_buffer_level = lc->optimal_buffer_level;
+ cpi->oxcf.maximum_buffer_size = lc->maximum_buffer_size;
+ cpi->oxcf.starting_buffer_level_in_ms = lc->starting_buffer_level_in_ms;
+ cpi->oxcf.optimal_buffer_level_in_ms = lc->optimal_buffer_level_in_ms;
+ cpi->oxcf.maximum_buffer_size_in_ms = lc->maximum_buffer_size_in_ms;
+ cpi->buffer_level = lc->buffer_level;
+ cpi->bits_off_target = lc->bits_off_target;
+ cpi->total_actual_bits = lc->total_actual_bits;
+ cpi->active_worst_quality = lc->active_worst_quality;
+ cpi->active_best_quality = lc->active_best_quality;
+ cpi->ni_av_qi = lc->ni_av_qi;
+ cpi->ni_tot_qi = lc->ni_tot_qi;
+ cpi->ni_frames = lc->ni_frames;
+ cpi->avg_frame_qindex = lc->avg_frame_qindex;
+ cpi->rate_correction_factor = lc->rate_correction_factor;
+ cpi->key_frame_rate_correction_factor = lc->key_frame_rate_correction_factor;
+ cpi->gf_rate_correction_factor = lc->gf_rate_correction_factor;
+ cpi->mb.zbin_over_quant = lc->zbin_over_quant;
+ cpi->inter_frame_target = lc->inter_frame_target;
+ cpi->total_byte_count = lc->total_byte_count;
+ cpi->common.filter_level = lc->filter_level;
+
+ cpi->last_frame_percent_intra = lc->last_frame_percent_intra;
+
+ memcpy (cpi->mb.count_mb_ref_frame_usage,
+ lc->count_mb_ref_frame_usage,
+ sizeof(cpi->mb.count_mb_ref_frame_usage));
+}
+
+static int rescale(int val, int num, int denom)
+{
+ int64_t llnum = num;
+ int64_t llden = denom;
+ int64_t llval = val;
+
+ return (int)(llval * llnum / llden);
+}
+
+static void init_temporal_layer_context(VP8_COMP *cpi,
+ VP8_CONFIG *oxcf,
+ const int layer,
+ double prev_layer_framerate)
+{
+ LAYER_CONTEXT *lc = &cpi->layer_context[layer];
+
+ lc->framerate = cpi->output_framerate / cpi->oxcf.rate_decimator[layer];
+ lc->target_bandwidth = cpi->oxcf.target_bitrate[layer] * 1000;
+
+ lc->starting_buffer_level_in_ms = oxcf->starting_buffer_level;
+ lc->optimal_buffer_level_in_ms = oxcf->optimal_buffer_level;
+ lc->maximum_buffer_size_in_ms = oxcf->maximum_buffer_size;
+
+ lc->starting_buffer_level =
+ rescale((int)(oxcf->starting_buffer_level),
+ lc->target_bandwidth, 1000);
+
+ if (oxcf->optimal_buffer_level == 0)
+ lc->optimal_buffer_level = lc->target_bandwidth / 8;
+ else
+ lc->optimal_buffer_level =
+ rescale((int)(oxcf->optimal_buffer_level),
+ lc->target_bandwidth, 1000);
+
+ if (oxcf->maximum_buffer_size == 0)
+ lc->maximum_buffer_size = lc->target_bandwidth / 8;
+ else
+ lc->maximum_buffer_size =
+ rescale((int)(oxcf->maximum_buffer_size),
+ lc->target_bandwidth, 1000);
+
+ /* Work out the average size of a frame within this layer */
+ if (layer > 0)
+ lc->avg_frame_size_for_layer =
+ (int)((cpi->oxcf.target_bitrate[layer] -
+ cpi->oxcf.target_bitrate[layer-1]) * 1000 /
+ (lc->framerate - prev_layer_framerate));
+
+ lc->active_worst_quality = cpi->oxcf.worst_allowed_q;
+ lc->active_best_quality = cpi->oxcf.best_allowed_q;
+ lc->avg_frame_qindex = cpi->oxcf.worst_allowed_q;
+
+ lc->buffer_level = lc->starting_buffer_level;
+ lc->bits_off_target = lc->starting_buffer_level;
+
+ lc->total_actual_bits = 0;
+ lc->ni_av_qi = 0;
+ lc->ni_tot_qi = 0;
+ lc->ni_frames = 0;
+ lc->rate_correction_factor = 1.0;
+ lc->key_frame_rate_correction_factor = 1.0;
+ lc->gf_rate_correction_factor = 1.0;
+ lc->inter_frame_target = 0;
+}
+
+// Upon a run-time change in temporal layers, reset the layer context parameters
+// for any "new" layers. For "existing" layers, let them inherit the parameters
+// from the previous layer state (at the same layer #). In future we may want
+// to better map the previous layer state(s) to the "new" ones.
+static void reset_temporal_layer_change(VP8_COMP *cpi,
+ VP8_CONFIG *oxcf,
+ const int prev_num_layers)
+{
+ int i;
+ double prev_layer_framerate = 0;
+ const int curr_num_layers = cpi->oxcf.number_of_layers;
+ // If the previous state was 1 layer, get current layer context from cpi.
+ // We need this to set the layer context for the new layers below.
+ if (prev_num_layers == 1)
+ {
+ cpi->current_layer = 0;
+ save_layer_context(cpi);
+ }
+ for (i = 0; i < curr_num_layers; i++)
+ {
+ LAYER_CONTEXT *lc = &cpi->layer_context[i];
+ if (i >= prev_num_layers)
+ {
+ init_temporal_layer_context(cpi, oxcf, i, prev_layer_framerate);
+ }
+ // The initial buffer levels are set based on their starting levels.
+ // We could set the buffer levels based on the previous state (normalized
+ // properly by the layer bandwidths) but we would need to keep track of
+ // the previous set of layer bandwidths (i.e., target_bitrate[i])
+ // before the layer change. For now, reset to the starting levels.
+ lc->buffer_level = cpi->oxcf.starting_buffer_level_in_ms *
+ cpi->oxcf.target_bitrate[i];
+ lc->bits_off_target = lc->buffer_level;
+ // TDOD(marpan): Should we set the rate_correction_factor and
+ // active_worst/best_quality to values derived from the previous layer
+ // state (to smooth-out quality dips/rate fluctuation at transition)?
+
+ // We need to treat the 1 layer case separately: oxcf.target_bitrate[i]
+ // is not set for 1 layer, and the restore_layer_context/save_context()
+ // are not called in the encoding loop, so we need to call it here to
+ // pass the layer context state to |cpi|.
+ if (curr_num_layers == 1)
+ {
+ lc->target_bandwidth = cpi->oxcf.target_bandwidth;
+ lc->buffer_level = cpi->oxcf.starting_buffer_level_in_ms *
+ lc->target_bandwidth / 1000;
+ lc->bits_off_target = lc->buffer_level;
+ restore_layer_context(cpi, 0);
+ }
+ prev_layer_framerate = cpi->output_framerate /
+ cpi->oxcf.rate_decimator[i];
+ }
+}
+
+static void setup_features(VP8_COMP *cpi)
+{
+ // If segmentation enabled set the update flags
+ if ( cpi->mb.e_mbd.segmentation_enabled )
+ {
+ cpi->mb.e_mbd.update_mb_segmentation_map = 1;
+ cpi->mb.e_mbd.update_mb_segmentation_data = 1;
+ }
+ else
+ {
+ cpi->mb.e_mbd.update_mb_segmentation_map = 0;
+ cpi->mb.e_mbd.update_mb_segmentation_data = 0;
+ }
+
+ cpi->mb.e_mbd.mode_ref_lf_delta_enabled = 0;
+ cpi->mb.e_mbd.mode_ref_lf_delta_update = 0;
+ memset(cpi->mb.e_mbd.ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas));
+ memset(cpi->mb.e_mbd.mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas));
+ memset(cpi->mb.e_mbd.last_ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas));
+ memset(cpi->mb.e_mbd.last_mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas));
+
+ set_default_lf_deltas(cpi);
+
+}
+
+
+static void dealloc_raw_frame_buffers(VP8_COMP *cpi);
+
+
+static void dealloc_compressor_data(VP8_COMP *cpi)
+{
+ vpx_free(cpi->tplist);
+ cpi->tplist = NULL;
+
+ /* Delete last frame MV storage buffers */
+ vpx_free(cpi->lfmv);
+ cpi->lfmv = 0;
+
+ vpx_free(cpi->lf_ref_frame_sign_bias);
+ cpi->lf_ref_frame_sign_bias = 0;
+
+ vpx_free(cpi->lf_ref_frame);
+ cpi->lf_ref_frame = 0;
+
+ /* Delete sementation map */
+ vpx_free(cpi->segmentation_map);
+ cpi->segmentation_map = 0;
+
+ vpx_free(cpi->active_map);
+ cpi->active_map = 0;
+
+ vp8_de_alloc_frame_buffers(&cpi->common);
+
+ vp8_yv12_de_alloc_frame_buffer(&cpi->pick_lf_lvl_frame);
+ vp8_yv12_de_alloc_frame_buffer(&cpi->scaled_source);
+ dealloc_raw_frame_buffers(cpi);
+
+ vpx_free(cpi->tok);
+ cpi->tok = 0;
+
+ /* Structure used to monitor GF usage */
+ vpx_free(cpi->gf_active_flags);
+ cpi->gf_active_flags = 0;
+
+ /* Activity mask based per mb zbin adjustments */
+ vpx_free(cpi->mb_activity_map);
+ cpi->mb_activity_map = 0;
+
+ vpx_free(cpi->mb.pip);
+ cpi->mb.pip = 0;
+
+#if CONFIG_MULTITHREAD
+ vpx_free(cpi->mt_current_mb_col);
+ cpi->mt_current_mb_col = NULL;
+#endif
+}
+
+static void enable_segmentation(VP8_COMP *cpi)
+{
+ /* Set the appropriate feature bit */
+ cpi->mb.e_mbd.segmentation_enabled = 1;
+ cpi->mb.e_mbd.update_mb_segmentation_map = 1;
+ cpi->mb.e_mbd.update_mb_segmentation_data = 1;
+}
+static void disable_segmentation(VP8_COMP *cpi)
+{
+ /* Clear the appropriate feature bit */
+ cpi->mb.e_mbd.segmentation_enabled = 0;
+}
+
+/* Valid values for a segment are 0 to 3
+ * Segmentation map is arrange as [Rows][Columns]
+ */
+static void set_segmentation_map(VP8_COMP *cpi, unsigned char *segmentation_map)
+{
+ /* Copy in the new segmentation map */
+ memcpy(cpi->segmentation_map, segmentation_map, (cpi->common.mb_rows * cpi->common.mb_cols));
+
+ /* Signal that the map should be updated. */
+ cpi->mb.e_mbd.update_mb_segmentation_map = 1;
+ cpi->mb.e_mbd.update_mb_segmentation_data = 1;
+}
+
+/* The values given for each segment can be either deltas (from the default
+ * value chosen for the frame) or absolute values.
+ *
+ * Valid range for abs values is:
+ * (0-127 for MB_LVL_ALT_Q), (0-63 for SEGMENT_ALT_LF)
+ * Valid range for delta values are:
+ * (+/-127 for MB_LVL_ALT_Q), (+/-63 for SEGMENT_ALT_LF)
+ *
+ * abs_delta = SEGMENT_DELTADATA (deltas)
+ * abs_delta = SEGMENT_ABSDATA (use the absolute values given).
+ *
+ */
+static void set_segment_data(VP8_COMP *cpi, signed char *feature_data, unsigned char abs_delta)
+{
+ cpi->mb.e_mbd.mb_segement_abs_delta = abs_delta;
+ memcpy(cpi->segment_feature_data, feature_data, sizeof(cpi->segment_feature_data));
+}
+
+
+static void segmentation_test_function(VP8_COMP *cpi)
+{
+ unsigned char *seg_map;
+ signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];
+
+ // Create a temporary map for segmentation data.
+ CHECK_MEM_ERROR(seg_map, vpx_calloc(cpi->common.mb_rows * cpi->common.mb_cols, 1));
+
+ // Set the segmentation Map
+ set_segmentation_map(cpi, seg_map);
+
+ // Activate segmentation.
+ enable_segmentation(cpi);
+
+ // Set up the quant segment data
+ feature_data[MB_LVL_ALT_Q][0] = 0;
+ feature_data[MB_LVL_ALT_Q][1] = 4;
+ feature_data[MB_LVL_ALT_Q][2] = 0;
+ feature_data[MB_LVL_ALT_Q][3] = 0;
+ // Set up the loop segment data
+ feature_data[MB_LVL_ALT_LF][0] = 0;
+ feature_data[MB_LVL_ALT_LF][1] = 0;
+ feature_data[MB_LVL_ALT_LF][2] = 0;
+ feature_data[MB_LVL_ALT_LF][3] = 0;
+
+ // Initialise the feature data structure
+ // SEGMENT_DELTADATA 0, SEGMENT_ABSDATA 1
+ set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
+
+ // Delete sementation map
+ vpx_free(seg_map);
+
+ seg_map = 0;
+}
+
+/* A simple function to cyclically refresh the background at a lower Q */
+static void cyclic_background_refresh(VP8_COMP *cpi, int Q, int lf_adjustment)
+{
+ unsigned char *seg_map = cpi->segmentation_map;
+ signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];
+ int i;
+ int block_count = cpi->cyclic_refresh_mode_max_mbs_perframe;
+ int mbs_in_frame = cpi->common.mb_rows * cpi->common.mb_cols;
+
+ cpi->cyclic_refresh_q = Q / 2;
+
+ if (cpi->oxcf.screen_content_mode) {
+ // Modify quality ramp-up based on Q. Above some Q level, increase the
+ // number of blocks to be refreshed, and reduce it below the thredhold.
+ // Turn-off under certain conditions (i.e., away from key frame, and if
+ // we are at good quality (low Q) and most of the blocks were skipped-encoded
+ // in previous frame.
+ int qp_thresh = (cpi->oxcf.screen_content_mode == 2) ? 80 : 100;
+ if (Q >= qp_thresh) {
+ cpi->cyclic_refresh_mode_max_mbs_perframe =
+ (cpi->common.mb_rows * cpi->common.mb_cols) / 10;
+ } else if (cpi->frames_since_key > 250 &&
+ Q < 20 &&
+ cpi->mb.skip_true_count > (int)(0.95 * mbs_in_frame)) {
+ cpi->cyclic_refresh_mode_max_mbs_perframe = 0;
+ } else {
+ cpi->cyclic_refresh_mode_max_mbs_perframe =
+ (cpi->common.mb_rows * cpi->common.mb_cols) / 20;
+ }
+ block_count = cpi->cyclic_refresh_mode_max_mbs_perframe;
+ }
+
+ // Set every macroblock to be eligible for update.
+ // For key frame this will reset seg map to 0.
+ memset(cpi->segmentation_map, 0, mbs_in_frame);
+
+ if (cpi->common.frame_type != KEY_FRAME && block_count > 0)
+ {
+ /* Cycle through the macro_block rows */
+ /* MB loop to set local segmentation map */
+ i = cpi->cyclic_refresh_mode_index;
+ assert(i < mbs_in_frame);
+ do
+ {
+ /* If the MB is as a candidate for clean up then mark it for
+ * possible boost/refresh (segment 1) The segment id may get
+ * reset to 0 later if the MB gets coded anything other than
+ * last frame 0,0 as only (last frame 0,0) MBs are eligable for
+ * refresh : that is to say Mbs likely to be background blocks.
+ */
+ if (cpi->cyclic_refresh_map[i] == 0)
+ {
+ seg_map[i] = 1;
+ block_count --;
+ }
+ else if (cpi->cyclic_refresh_map[i] < 0)
+ cpi->cyclic_refresh_map[i]++;
+
+ i++;
+ if (i == mbs_in_frame)
+ i = 0;
+
+ }
+ while(block_count && i != cpi->cyclic_refresh_mode_index);
+
+ cpi->cyclic_refresh_mode_index = i;
+
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity > 0) {
+ if (cpi->denoiser.denoiser_mode == kDenoiserOnYUVAggressive &&
+ Q < (int)cpi->denoiser.denoise_pars.qp_thresh &&
+ (cpi->frames_since_key >
+ 2 * cpi->denoiser.denoise_pars.consec_zerolast)) {
+ // Under aggressive denoising, use segmentation to turn off loop
+ // filter below some qp thresh. The filter is reduced for all
+ // blocks that have been encoded as ZEROMV LAST x frames in a row,
+ // where x is set by cpi->denoiser.denoise_pars.consec_zerolast.
+ // This is to avoid "dot" artifacts that can occur from repeated
+ // loop filtering on noisy input source.
+ cpi->cyclic_refresh_q = Q;
+ // lf_adjustment = -MAX_LOOP_FILTER;
+ lf_adjustment = -40;
+ for (i = 0; i < mbs_in_frame; ++i) {
+ seg_map[i] = (cpi->consec_zero_last[i] >
+ cpi->denoiser.denoise_pars.consec_zerolast) ? 1 : 0;
+ }
+ }
+ }
+#endif
+ }
+
+ /* Activate segmentation. */
+ cpi->mb.e_mbd.update_mb_segmentation_map = 1;
+ cpi->mb.e_mbd.update_mb_segmentation_data = 1;
+ enable_segmentation(cpi);
+
+ /* Set up the quant segment data */
+ feature_data[MB_LVL_ALT_Q][0] = 0;
+ feature_data[MB_LVL_ALT_Q][1] = (cpi->cyclic_refresh_q - Q);
+ feature_data[MB_LVL_ALT_Q][2] = 0;
+ feature_data[MB_LVL_ALT_Q][3] = 0;
+
+ /* Set up the loop segment data */
+ feature_data[MB_LVL_ALT_LF][0] = 0;
+ feature_data[MB_LVL_ALT_LF][1] = lf_adjustment;
+ feature_data[MB_LVL_ALT_LF][2] = 0;
+ feature_data[MB_LVL_ALT_LF][3] = 0;
+
+ /* Initialise the feature data structure */
+ set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
+
+}
+
+static void set_default_lf_deltas(VP8_COMP *cpi)
+{
+ cpi->mb.e_mbd.mode_ref_lf_delta_enabled = 1;
+ cpi->mb.e_mbd.mode_ref_lf_delta_update = 1;
+
+ memset(cpi->mb.e_mbd.ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas));
+ memset(cpi->mb.e_mbd.mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas));
+
+ /* Test of ref frame deltas */
+ cpi->mb.e_mbd.ref_lf_deltas[INTRA_FRAME] = 2;
+ cpi->mb.e_mbd.ref_lf_deltas[LAST_FRAME] = 0;
+ cpi->mb.e_mbd.ref_lf_deltas[GOLDEN_FRAME] = -2;
+ cpi->mb.e_mbd.ref_lf_deltas[ALTREF_FRAME] = -2;
+
+ cpi->mb.e_mbd.mode_lf_deltas[0] = 4; /* BPRED */
+
+ if(cpi->oxcf.Mode == MODE_REALTIME)
+ cpi->mb.e_mbd.mode_lf_deltas[1] = -12; /* Zero */
+ else
+ cpi->mb.e_mbd.mode_lf_deltas[1] = -2; /* Zero */
+
+ cpi->mb.e_mbd.mode_lf_deltas[2] = 2; /* New mv */
+ cpi->mb.e_mbd.mode_lf_deltas[3] = 4; /* Split mv */
+}
+
+/* Convenience macros for mapping speed and mode into a continuous
+ * range
+ */
+#define GOOD(x) (x+1)
+#define RT(x) (x+7)
+
+static int speed_map(int speed, const int *map)
+{
+ int res;
+
+ do
+ {
+ res = *map++;
+ } while(speed >= *map++);
+ return res;
+}
+
+static const int thresh_mult_map_znn[] = {
+ /* map common to zero, nearest, and near */
+ 0, GOOD(2), 1500, GOOD(3), 2000, RT(0), 1000, RT(2), 2000, INT_MAX
+};
+
+static const int thresh_mult_map_vhpred[] = {
+ 1000, GOOD(2), 1500, GOOD(3), 2000, RT(0), 1000, RT(1), 2000,
+ RT(7), INT_MAX, INT_MAX
+};
+
+static const int thresh_mult_map_bpred[] = {
+ 2000, GOOD(0), 2500, GOOD(2), 5000, GOOD(3), 7500, RT(0), 2500, RT(1), 5000,
+ RT(6), INT_MAX, INT_MAX
+};
+
+static const int thresh_mult_map_tm[] = {
+ 1000, GOOD(2), 1500, GOOD(3), 2000, RT(0), 0, RT(1), 1000, RT(2), 2000,
+ RT(7), INT_MAX, INT_MAX
+};
+
+static const int thresh_mult_map_new1[] = {
+ 1000, GOOD(2), 2000, RT(0), 2000, INT_MAX
+};
+
+static const int thresh_mult_map_new2[] = {
+ 1000, GOOD(2), 2000, GOOD(3), 2500, GOOD(5), 4000, RT(0), 2000, RT(2), 2500,
+ RT(5), 4000, INT_MAX
+};
+
+static const int thresh_mult_map_split1[] = {
+ 2500, GOOD(0), 1700, GOOD(2), 10000, GOOD(3), 25000, GOOD(4), INT_MAX,
+ RT(0), 5000, RT(1), 10000, RT(2), 25000, RT(3), INT_MAX, INT_MAX
+};
+
+static const int thresh_mult_map_split2[] = {
+ 5000, GOOD(0), 4500, GOOD(2), 20000, GOOD(3), 50000, GOOD(4), INT_MAX,
+ RT(0), 10000, RT(1), 20000, RT(2), 50000, RT(3), INT_MAX, INT_MAX
+};
+
+static const int mode_check_freq_map_zn2[] = {
+ /* {zero,nearest}{2,3} */
+ 0, RT(10), 1<<1, RT(11), 1<<2, RT(12), 1<<3, INT_MAX
+};
+
+static const int mode_check_freq_map_vhbpred[] = {
+ 0, GOOD(5), 2, RT(0), 0, RT(3), 2, RT(5), 4, INT_MAX
+};
+
+static const int mode_check_freq_map_near2[] = {
+ 0, GOOD(5), 2, RT(0), 0, RT(3), 2, RT(10), 1<<2, RT(11), 1<<3, RT(12), 1<<4,
+ INT_MAX
+};
+
+static const int mode_check_freq_map_new1[] = {
+ 0, RT(10), 1<<1, RT(11), 1<<2, RT(12), 1<<3, INT_MAX
+};
+
+static const int mode_check_freq_map_new2[] = {
+ 0, GOOD(5), 4, RT(0), 0, RT(3), 4, RT(10), 1<<3, RT(11), 1<<4, RT(12), 1<<5,
+ INT_MAX
+};
+
+static const int mode_check_freq_map_split1[] = {
+ 0, GOOD(2), 2, GOOD(3), 7, RT(1), 2, RT(2), 7, INT_MAX
+};
+
+static const int mode_check_freq_map_split2[] = {
+ 0, GOOD(1), 2, GOOD(2), 4, GOOD(3), 15, RT(1), 4, RT(2), 15, INT_MAX
+};
+
+void vp8_set_speed_features(VP8_COMP *cpi)
+{
+ SPEED_FEATURES *sf = &cpi->sf;
+ int Mode = cpi->compressor_speed;
+ int Speed = cpi->Speed;
+ int i;
+ VP8_COMMON *cm = &cpi->common;
+ int last_improved_quant = sf->improved_quant;
+ int ref_frames;
+
+ /* Initialise default mode frequency sampling variables */
+ for (i = 0; i < MAX_MODES; i ++)
+ {
+ cpi->mode_check_freq[i] = 0;
+ }
+
+ cpi->mb.mbs_tested_so_far = 0;
+ cpi->mb.mbs_zero_last_dot_suppress = 0;
+
+ /* best quality defaults */
+ sf->RD = 1;
+ sf->search_method = NSTEP;
+ sf->improved_quant = 1;
+ sf->improved_dct = 1;
+ sf->auto_filter = 1;
+ sf->recode_loop = 1;
+ sf->quarter_pixel_search = 1;
+ sf->half_pixel_search = 1;
+ sf->iterative_sub_pixel = 1;
+ sf->optimize_coefficients = 1;
+ sf->use_fastquant_for_pick = 0;
+ sf->no_skip_block4x4_search = 1;
+
+ sf->first_step = 0;
+ sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
+ sf->improved_mv_pred = 1;
+
+ /* default thresholds to 0 */
+ for (i = 0; i < MAX_MODES; i++)
+ sf->thresh_mult[i] = 0;
+
+ /* Count enabled references */
+ ref_frames = 1;
+ if (cpi->ref_frame_flags & VP8_LAST_FRAME)
+ ref_frames++;
+ if (cpi->ref_frame_flags & VP8_GOLD_FRAME)
+ ref_frames++;
+ if (cpi->ref_frame_flags & VP8_ALTR_FRAME)
+ ref_frames++;
+
+ /* Convert speed to continuous range, with clamping */
+ if (Mode == 0)
+ Speed = 0;
+ else if (Mode == 2)
+ Speed = RT(Speed);
+ else
+ {
+ if (Speed > 5)
+ Speed = 5;
+ Speed = GOOD(Speed);
+ }
+
+ sf->thresh_mult[THR_ZERO1] =
+ sf->thresh_mult[THR_NEAREST1] =
+ sf->thresh_mult[THR_NEAR1] =
+ sf->thresh_mult[THR_DC] = 0; /* always */
+
+ sf->thresh_mult[THR_ZERO2] =
+ sf->thresh_mult[THR_ZERO3] =
+ sf->thresh_mult[THR_NEAREST2] =
+ sf->thresh_mult[THR_NEAREST3] =
+ sf->thresh_mult[THR_NEAR2] =
+ sf->thresh_mult[THR_NEAR3] = speed_map(Speed, thresh_mult_map_znn);
+
+ sf->thresh_mult[THR_V_PRED] =
+ sf->thresh_mult[THR_H_PRED] = speed_map(Speed, thresh_mult_map_vhpred);
+ sf->thresh_mult[THR_B_PRED] = speed_map(Speed, thresh_mult_map_bpred);
+ sf->thresh_mult[THR_TM] = speed_map(Speed, thresh_mult_map_tm);
+ sf->thresh_mult[THR_NEW1] = speed_map(Speed, thresh_mult_map_new1);
+ sf->thresh_mult[THR_NEW2] =
+ sf->thresh_mult[THR_NEW3] = speed_map(Speed, thresh_mult_map_new2);
+ sf->thresh_mult[THR_SPLIT1] = speed_map(Speed, thresh_mult_map_split1);
+ sf->thresh_mult[THR_SPLIT2] =
+ sf->thresh_mult[THR_SPLIT3] = speed_map(Speed, thresh_mult_map_split2);
+
+ // Special case for temporal layers.
+ // Reduce the thresholds for zero/nearest/near for GOLDEN, if GOLDEN is
+ // used as second reference. We don't modify thresholds for ALTREF case
+ // since ALTREF is usually used as long-term reference in temporal layers.
+ if ((cpi->Speed <= 6) &&
+ (cpi->oxcf.number_of_layers > 1) &&
+ (cpi->ref_frame_flags & VP8_LAST_FRAME) &&
+ (cpi->ref_frame_flags & VP8_GOLD_FRAME)) {
+ if (cpi->closest_reference_frame == GOLDEN_FRAME) {
+ sf->thresh_mult[THR_ZERO2] = sf->thresh_mult[THR_ZERO2] >> 3;
+ sf->thresh_mult[THR_NEAREST2] = sf->thresh_mult[THR_NEAREST2] >> 3;
+ sf->thresh_mult[THR_NEAR2] = sf->thresh_mult[THR_NEAR2] >> 3;
+ } else {
+ sf->thresh_mult[THR_ZERO2] = sf->thresh_mult[THR_ZERO2] >> 1;
+ sf->thresh_mult[THR_NEAREST2] = sf->thresh_mult[THR_NEAREST2] >> 1;
+ sf->thresh_mult[THR_NEAR2] = sf->thresh_mult[THR_NEAR2] >> 1;
+ }
+ }
+
+ cpi->mode_check_freq[THR_ZERO1] =
+ cpi->mode_check_freq[THR_NEAREST1] =
+ cpi->mode_check_freq[THR_NEAR1] =
+ cpi->mode_check_freq[THR_TM] =
+ cpi->mode_check_freq[THR_DC] = 0; /* always */
+
+ cpi->mode_check_freq[THR_ZERO2] =
+ cpi->mode_check_freq[THR_ZERO3] =
+ cpi->mode_check_freq[THR_NEAREST2] =
+ cpi->mode_check_freq[THR_NEAREST3] = speed_map(Speed,
+ mode_check_freq_map_zn2);
+
+ cpi->mode_check_freq[THR_NEAR2] =
+ cpi->mode_check_freq[THR_NEAR3] = speed_map(Speed,
+ mode_check_freq_map_near2);
+
+ cpi->mode_check_freq[THR_V_PRED] =
+ cpi->mode_check_freq[THR_H_PRED] =
+ cpi->mode_check_freq[THR_B_PRED] = speed_map(Speed,
+ mode_check_freq_map_vhbpred);
+ cpi->mode_check_freq[THR_NEW1] = speed_map(Speed,
+ mode_check_freq_map_new1);
+ cpi->mode_check_freq[THR_NEW2] =
+ cpi->mode_check_freq[THR_NEW3] = speed_map(Speed,
+ mode_check_freq_map_new2);
+ cpi->mode_check_freq[THR_SPLIT1] = speed_map(Speed,
+ mode_check_freq_map_split1);
+ cpi->mode_check_freq[THR_SPLIT2] =
+ cpi->mode_check_freq[THR_SPLIT3] = speed_map(Speed,
+ mode_check_freq_map_split2);
+ Speed = cpi->Speed;
+ switch (Mode)
+ {
+#if !(CONFIG_REALTIME_ONLY)
+ case 0: /* best quality mode */
+ sf->first_step = 0;
+ sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
+ break;
+ case 1:
+ case 3:
+ if (Speed > 0)
+ {
+ /* Disable coefficient optimization above speed 0 */
+ sf->optimize_coefficients = 0;
+ sf->use_fastquant_for_pick = 1;
+ sf->no_skip_block4x4_search = 0;
+
+ sf->first_step = 1;
+ }
+
+ if (Speed > 2)
+ {
+ sf->improved_quant = 0;
+ sf->improved_dct = 0;
+
+ /* Only do recode loop on key frames, golden frames and
+ * alt ref frames
+ */
+ sf->recode_loop = 2;
+
+ }
+
+ if (Speed > 3)
+ {
+ sf->auto_filter = 1;
+ sf->recode_loop = 0; /* recode loop off */
+ sf->RD = 0; /* Turn rd off */
+
+ }
+
+ if (Speed > 4)
+ {
+ sf->auto_filter = 0; /* Faster selection of loop filter */
+ }
+
+ break;
+#endif
+ case 2:
+ sf->optimize_coefficients = 0;
+ sf->recode_loop = 0;
+ sf->auto_filter = 1;
+ sf->iterative_sub_pixel = 1;
+ sf->search_method = NSTEP;
+
+ if (Speed > 0)
+ {
+ sf->improved_quant = 0;
+ sf->improved_dct = 0;
+
+ sf->use_fastquant_for_pick = 1;
+ sf->no_skip_block4x4_search = 0;
+ sf->first_step = 1;
+ }
+
+ if (Speed > 2)
+ sf->auto_filter = 0; /* Faster selection of loop filter */
+
+ if (Speed > 3)
+ {
+ sf->RD = 0;
+ sf->auto_filter = 1;
+ }
+
+ if (Speed > 4)
+ {
+ sf->auto_filter = 0; /* Faster selection of loop filter */
+ sf->search_method = HEX;
+ sf->iterative_sub_pixel = 0;
+ }
+
+ if (Speed > 6)
+ {
+ unsigned int sum = 0;
+ unsigned int total_mbs = cm->MBs;
+ int thresh;
+ unsigned int total_skip;
+
+ int min = 2000;
+
+ if (cpi->oxcf.encode_breakout > 2000)
+ min = cpi->oxcf.encode_breakout;
+
+ min >>= 7;
+
+ for (i = 0; i < min; i++)
+ {
+ sum += cpi->mb.error_bins[i];
+ }
+
+ total_skip = sum;
+ sum = 0;
+
+ /* i starts from 2 to make sure thresh started from 2048 */
+ for (; i < 1024; i++)
+ {
+ sum += cpi->mb.error_bins[i];
+
+ if (10 * sum >= (unsigned int)(cpi->Speed - 6)*(total_mbs - total_skip))
+ break;
+ }
+
+ i--;
+ thresh = (i << 7);
+
+ if (thresh < 2000)
+ thresh = 2000;
+
+ if (ref_frames > 1)
+ {
+ sf->thresh_mult[THR_NEW1 ] = thresh;
+ sf->thresh_mult[THR_NEAREST1 ] = thresh >> 1;
+ sf->thresh_mult[THR_NEAR1 ] = thresh >> 1;
+ }
+
+ if (ref_frames > 2)
+ {
+ sf->thresh_mult[THR_NEW2] = thresh << 1;
+ sf->thresh_mult[THR_NEAREST2 ] = thresh;
+ sf->thresh_mult[THR_NEAR2 ] = thresh;
+ }
+
+ if (ref_frames > 3)
+ {
+ sf->thresh_mult[THR_NEW3] = thresh << 1;
+ sf->thresh_mult[THR_NEAREST3 ] = thresh;
+ sf->thresh_mult[THR_NEAR3 ] = thresh;
+ }
+
+ sf->improved_mv_pred = 0;
+ }
+
+ if (Speed > 8)
+ sf->quarter_pixel_search = 0;
+
+ if(cm->version == 0)
+ {
+ cm->filter_type = NORMAL_LOOPFILTER;
+
+ if (Speed >= 14)
+ cm->filter_type = SIMPLE_LOOPFILTER;
+ }
+ else
+ {
+ cm->filter_type = SIMPLE_LOOPFILTER;
+ }
+
+ /* This has a big hit on quality. Last resort */
+ if (Speed >= 15)
+ sf->half_pixel_search = 0;
+
+ memset(cpi->mb.error_bins, 0, sizeof(cpi->mb.error_bins));
+
+ }; /* switch */
+
+ /* Slow quant, dct and trellis not worthwhile for first pass
+ * so make sure they are always turned off.
+ */
+ if ( cpi->pass == 1 )
+ {
+ sf->improved_quant = 0;
+ sf->optimize_coefficients = 0;
+ sf->improved_dct = 0;
+ }
+
+ if (cpi->sf.search_method == NSTEP)
+ {
+ vp8_init3smotion_compensation(&cpi->mb, cm->yv12_fb[cm->lst_fb_idx].y_stride);
+ }
+ else if (cpi->sf.search_method == DIAMOND)
+ {
+ vp8_init_dsmotion_compensation(&cpi->mb, cm->yv12_fb[cm->lst_fb_idx].y_stride);
+ }
+
+ if (cpi->sf.improved_dct)
+ {
+ cpi->mb.short_fdct8x4 = vp8_short_fdct8x4;
+ cpi->mb.short_fdct4x4 = vp8_short_fdct4x4;
+ }
+ else
+ {
+ /* No fast FDCT defined for any platform at this time. */
+ cpi->mb.short_fdct8x4 = vp8_short_fdct8x4;
+ cpi->mb.short_fdct4x4 = vp8_short_fdct4x4;
+ }
+
+ cpi->mb.short_walsh4x4 = vp8_short_walsh4x4;
+
+ if (cpi->sf.improved_quant)
+ {
+ cpi->mb.quantize_b = vp8_regular_quantize_b;
+ }
+ else
+ {
+ cpi->mb.quantize_b = vp8_fast_quantize_b;
+ }
+ if (cpi->sf.improved_quant != last_improved_quant)
+ vp8cx_init_quantizer(cpi);
+
+ if (cpi->sf.iterative_sub_pixel == 1)
+ {
+ cpi->find_fractional_mv_step = vp8_find_best_sub_pixel_step_iteratively;
+ }
+ else if (cpi->sf.quarter_pixel_search)
+ {
+ cpi->find_fractional_mv_step = vp8_find_best_sub_pixel_step;
+ }
+ else if (cpi->sf.half_pixel_search)
+ {
+ cpi->find_fractional_mv_step = vp8_find_best_half_pixel_step;
+ }
+ else
+ {
+ cpi->find_fractional_mv_step = vp8_skip_fractional_mv_step;
+ }
+
+ if (cpi->sf.optimize_coefficients == 1 && cpi->pass!=1)
+ cpi->mb.optimize = 1;
+ else
+ cpi->mb.optimize = 0;
+
+ if (cpi->common.full_pixel)
+ cpi->find_fractional_mv_step = vp8_skip_fractional_mv_step;
+
+#ifdef SPEEDSTATS
+ frames_at_speed[cpi->Speed]++;
+#endif
+}
+#undef GOOD
+#undef RT
+
+static void alloc_raw_frame_buffers(VP8_COMP *cpi)
+{
+#if VP8_TEMPORAL_ALT_REF
+ int width = (cpi->oxcf.Width + 15) & ~15;
+ int height = (cpi->oxcf.Height + 15) & ~15;
+#endif
+
+ cpi->lookahead = vp8_lookahead_init(cpi->oxcf.Width, cpi->oxcf.Height,
+ cpi->oxcf.lag_in_frames);
+ if(!cpi->lookahead)
+ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
+ "Failed to allocate lag buffers");
+
+#if VP8_TEMPORAL_ALT_REF
+
+ if (vp8_yv12_alloc_frame_buffer(&cpi->alt_ref_buffer,
+ width, height, VP8BORDERINPIXELS))
+ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
+ "Failed to allocate altref buffer");
+
+#endif
+}
+
+
+static void dealloc_raw_frame_buffers(VP8_COMP *cpi)
+{
+#if VP8_TEMPORAL_ALT_REF
+ vp8_yv12_de_alloc_frame_buffer(&cpi->alt_ref_buffer);
+#endif
+ vp8_lookahead_destroy(cpi->lookahead);
+}
+
+
+static int vp8_alloc_partition_data(VP8_COMP *cpi)
+{
+ vpx_free(cpi->mb.pip);
+
+ cpi->mb.pip = vpx_calloc((cpi->common.mb_cols + 1) *
+ (cpi->common.mb_rows + 1),
+ sizeof(PARTITION_INFO));
+ if(!cpi->mb.pip)
+ return 1;
+
+ cpi->mb.pi = cpi->mb.pip + cpi->common.mode_info_stride + 1;
+
+ return 0;
+}
+
+void vp8_alloc_compressor_data(VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = & cpi->common;
+
+ int width = cm->Width;
+ int height = cm->Height;
+
+ if (vp8_alloc_frame_buffers(cm, width, height))
+ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
+ "Failed to allocate frame buffers");
+
+ if (vp8_alloc_partition_data(cpi))
+ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
+ "Failed to allocate partition data");
+
+
+ if ((width & 0xf) != 0)
+ width += 16 - (width & 0xf);
+
+ if ((height & 0xf) != 0)
+ height += 16 - (height & 0xf);
+
+
+ if (vp8_yv12_alloc_frame_buffer(&cpi->pick_lf_lvl_frame,
+ width, height, VP8BORDERINPIXELS))
+ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
+ "Failed to allocate last frame buffer");
+
+ if (vp8_yv12_alloc_frame_buffer(&cpi->scaled_source,
+ width, height, VP8BORDERINPIXELS))
+ vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
+ "Failed to allocate scaled source buffer");
+
+ vpx_free(cpi->tok);
+
+ {
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ unsigned int tokens = 8 * 24 * 16; /* one MB for each thread */
+#else
+ unsigned int tokens = cm->mb_rows * cm->mb_cols * 24 * 16;
+#endif
+ CHECK_MEM_ERROR(cpi->tok, vpx_calloc(tokens, sizeof(*cpi->tok)));
+ }
+
+ /* Data used for real time vc mode to see if gf needs refreshing */
+ cpi->zeromv_count = 0;
+
+
+ /* Structures used to monitor GF usage */
+ vpx_free(cpi->gf_active_flags);
+ CHECK_MEM_ERROR(cpi->gf_active_flags,
+ vpx_calloc(sizeof(*cpi->gf_active_flags),
+ cm->mb_rows * cm->mb_cols));
+ cpi->gf_active_count = cm->mb_rows * cm->mb_cols;
+
+ vpx_free(cpi->mb_activity_map);
+ CHECK_MEM_ERROR(cpi->mb_activity_map,
+ vpx_calloc(sizeof(*cpi->mb_activity_map),
+ cm->mb_rows * cm->mb_cols));
+
+ /* allocate memory for storing last frame's MVs for MV prediction. */
+ vpx_free(cpi->lfmv);
+ CHECK_MEM_ERROR(cpi->lfmv, vpx_calloc((cm->mb_rows+2) * (cm->mb_cols+2),
+ sizeof(*cpi->lfmv)));
+ vpx_free(cpi->lf_ref_frame_sign_bias);
+ CHECK_MEM_ERROR(cpi->lf_ref_frame_sign_bias,
+ vpx_calloc((cm->mb_rows+2) * (cm->mb_cols+2),
+ sizeof(*cpi->lf_ref_frame_sign_bias)));
+ vpx_free(cpi->lf_ref_frame);
+ CHECK_MEM_ERROR(cpi->lf_ref_frame,
+ vpx_calloc((cm->mb_rows+2) * (cm->mb_cols+2),
+ sizeof(*cpi->lf_ref_frame)));
+
+ /* Create the encoder segmentation map and set all entries to 0 */
+ vpx_free(cpi->segmentation_map);
+ CHECK_MEM_ERROR(cpi->segmentation_map,
+ vpx_calloc(cm->mb_rows * cm->mb_cols,
+ sizeof(*cpi->segmentation_map)));
+ cpi->cyclic_refresh_mode_index = 0;
+ vpx_free(cpi->active_map);
+ CHECK_MEM_ERROR(cpi->active_map,
+ vpx_calloc(cm->mb_rows * cm->mb_cols,
+ sizeof(*cpi->active_map)));
+ memset(cpi->active_map , 1, (cm->mb_rows * cm->mb_cols));
+
+#if CONFIG_MULTITHREAD
+ if (width < 640)
+ cpi->mt_sync_range = 1;
+ else if (width <= 1280)
+ cpi->mt_sync_range = 4;
+ else if (width <= 2560)
+ cpi->mt_sync_range = 8;
+ else
+ cpi->mt_sync_range = 16;
+
+ if (cpi->oxcf.multi_threaded > 1)
+ {
+ vpx_free(cpi->mt_current_mb_col);
+ CHECK_MEM_ERROR(cpi->mt_current_mb_col,
+ vpx_malloc(sizeof(*cpi->mt_current_mb_col) * cm->mb_rows));
+ }
+
+#endif
+
+ vpx_free(cpi->tplist);
+ CHECK_MEM_ERROR(cpi->tplist, vpx_malloc(sizeof(TOKENLIST) * cm->mb_rows));
+
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity > 0) {
+ vp8_denoiser_free(&cpi->denoiser);
+ vp8_denoiser_allocate(&cpi->denoiser, width, height,
+ cm->mb_rows, cm->mb_cols,
+ cpi->oxcf.noise_sensitivity);
+ }
+#endif
+}
+
+
+/* Quant MOD */
+static const int q_trans[] =
+{
+ 0, 1, 2, 3, 4, 5, 7, 8,
+ 9, 10, 12, 13, 15, 17, 18, 19,
+ 20, 21, 23, 24, 25, 26, 27, 28,
+ 29, 30, 31, 33, 35, 37, 39, 41,
+ 43, 45, 47, 49, 51, 53, 55, 57,
+ 59, 61, 64, 67, 70, 73, 76, 79,
+ 82, 85, 88, 91, 94, 97, 100, 103,
+ 106, 109, 112, 115, 118, 121, 124, 127,
+};
+
+int vp8_reverse_trans(int x)
+{
+ int i;
+
+ for (i = 0; i < 64; i++)
+ if (q_trans[i] >= x)
+ return i;
+
+ return 63;
+}
+void vp8_new_framerate(VP8_COMP *cpi, double framerate)
+{
+ if(framerate < .1)
+ framerate = 30;
+
+ cpi->framerate = framerate;
+ cpi->output_framerate = framerate;
+ cpi->per_frame_bandwidth = (int)(cpi->oxcf.target_bandwidth /
+ cpi->output_framerate);
+ cpi->av_per_frame_bandwidth = cpi->per_frame_bandwidth;
+ cpi->min_frame_bandwidth = (int)(cpi->av_per_frame_bandwidth *
+ cpi->oxcf.two_pass_vbrmin_section / 100);
+
+ /* Set Maximum gf/arf interval */
+ cpi->max_gf_interval = ((int)(cpi->output_framerate / 2.0) + 2);
+
+ if(cpi->max_gf_interval < 12)
+ cpi->max_gf_interval = 12;
+
+ /* Extended interval for genuinely static scenes */
+ cpi->twopass.static_scene_max_gf_interval = cpi->key_frame_frequency >> 1;
+
+ /* Special conditions when altr ref frame enabled in lagged compress mode */
+ if (cpi->oxcf.play_alternate && cpi->oxcf.lag_in_frames)
+ {
+ if (cpi->max_gf_interval > cpi->oxcf.lag_in_frames - 1)
+ cpi->max_gf_interval = cpi->oxcf.lag_in_frames - 1;
+
+ if (cpi->twopass.static_scene_max_gf_interval > cpi->oxcf.lag_in_frames - 1)
+ cpi->twopass.static_scene_max_gf_interval = cpi->oxcf.lag_in_frames - 1;
+ }
+
+ if ( cpi->max_gf_interval > cpi->twopass.static_scene_max_gf_interval )
+ cpi->max_gf_interval = cpi->twopass.static_scene_max_gf_interval;
+}
+
+
+static void init_config(VP8_COMP *cpi, VP8_CONFIG *oxcf)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ cpi->oxcf = *oxcf;
+
+ cpi->auto_gold = 1;
+ cpi->auto_adjust_gold_quantizer = 1;
+
+ cm->version = oxcf->Version;
+ vp8_setup_version(cm);
+
+ /* Frame rate is not available on the first frame, as it's derived from
+ * the observed timestamps. The actual value used here doesn't matter
+ * too much, as it will adapt quickly.
+ */
+ if (oxcf->timebase.num > 0) {
+ cpi->framerate = (double)(oxcf->timebase.den) /
+ (double)(oxcf->timebase.num);
+ } else {
+ cpi->framerate = 30;
+ }
+
+ /* If the reciprocal of the timebase seems like a reasonable framerate,
+ * then use that as a guess, otherwise use 30.
+ */
+ if (cpi->framerate > 180)
+ cpi->framerate = 30;
+
+ cpi->ref_framerate = cpi->framerate;
+
+ cpi->ref_frame_flags = VP8_ALTR_FRAME | VP8_GOLD_FRAME | VP8_LAST_FRAME;
+
+ cm->refresh_golden_frame = 0;
+ cm->refresh_last_frame = 1;
+ cm->refresh_entropy_probs = 1;
+
+ /* change includes all joint functionality */
+ vp8_change_config(cpi, oxcf);
+
+ /* Initialize active best and worst q and average q values. */
+ cpi->active_worst_quality = cpi->oxcf.worst_allowed_q;
+ cpi->active_best_quality = cpi->oxcf.best_allowed_q;
+ cpi->avg_frame_qindex = cpi->oxcf.worst_allowed_q;
+
+ /* Initialise the starting buffer levels */
+ cpi->buffer_level = cpi->oxcf.starting_buffer_level;
+ cpi->bits_off_target = cpi->oxcf.starting_buffer_level;
+
+ cpi->rolling_target_bits = cpi->av_per_frame_bandwidth;
+ cpi->rolling_actual_bits = cpi->av_per_frame_bandwidth;
+ cpi->long_rolling_target_bits = cpi->av_per_frame_bandwidth;
+ cpi->long_rolling_actual_bits = cpi->av_per_frame_bandwidth;
+
+ cpi->total_actual_bits = 0;
+ cpi->total_target_vs_actual = 0;
+
+ /* Temporal scalabilty */
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+ double prev_layer_framerate=0;
+
+ for (i=0; i<cpi->oxcf.number_of_layers; i++)
+ {
+ init_temporal_layer_context(cpi, oxcf, i, prev_layer_framerate);
+ prev_layer_framerate = cpi->output_framerate /
+ cpi->oxcf.rate_decimator[i];
+ }
+ }
+
+#if VP8_TEMPORAL_ALT_REF
+ {
+ int i;
+
+ cpi->fixed_divide[0] = 0;
+
+ for (i = 1; i < 512; i++)
+ cpi->fixed_divide[i] = 0x80000 / i;
+ }
+#endif
+}
+
+static void update_layer_contexts (VP8_COMP *cpi)
+{
+ VP8_CONFIG *oxcf = &cpi->oxcf;
+
+ /* Update snapshots of the layer contexts to reflect new parameters */
+ if (oxcf->number_of_layers > 1)
+ {
+ unsigned int i;
+ double prev_layer_framerate=0;
+
+ assert(oxcf->number_of_layers <= VPX_TS_MAX_LAYERS);
+ for (i = 0; i < oxcf->number_of_layers && i < VPX_TS_MAX_LAYERS; ++i)
+ {
+ LAYER_CONTEXT *lc = &cpi->layer_context[i];
+
+ lc->framerate =
+ cpi->ref_framerate / oxcf->rate_decimator[i];
+ lc->target_bandwidth = oxcf->target_bitrate[i] * 1000;
+
+ lc->starting_buffer_level = rescale(
+ (int)oxcf->starting_buffer_level_in_ms,
+ lc->target_bandwidth, 1000);
+
+ if (oxcf->optimal_buffer_level == 0)
+ lc->optimal_buffer_level = lc->target_bandwidth / 8;
+ else
+ lc->optimal_buffer_level = rescale(
+ (int)oxcf->optimal_buffer_level_in_ms,
+ lc->target_bandwidth, 1000);
+
+ if (oxcf->maximum_buffer_size == 0)
+ lc->maximum_buffer_size = lc->target_bandwidth / 8;
+ else
+ lc->maximum_buffer_size = rescale(
+ (int)oxcf->maximum_buffer_size_in_ms,
+ lc->target_bandwidth, 1000);
+
+ /* Work out the average size of a frame within this layer */
+ if (i > 0)
+ lc->avg_frame_size_for_layer =
+ (int)((oxcf->target_bitrate[i] -
+ oxcf->target_bitrate[i-1]) * 1000 /
+ (lc->framerate - prev_layer_framerate));
+
+ prev_layer_framerate = lc->framerate;
+ }
+ }
+}
+
+void vp8_change_config(VP8_COMP *cpi, VP8_CONFIG *oxcf)
+{
+ VP8_COMMON *cm = &cpi->common;
+ int last_w, last_h, prev_number_of_layers;
+
+ if (!cpi)
+ return;
+
+ if (!oxcf)
+ return;
+
+#if CONFIG_MULTITHREAD
+ /* wait for the last picture loopfilter thread done */
+ if (cpi->b_lpf_running)
+ {
+ sem_wait(&cpi->h_event_end_lpf);
+ cpi->b_lpf_running = 0;
+ }
+#endif
+
+ if (cm->version != oxcf->Version)
+ {
+ cm->version = oxcf->Version;
+ vp8_setup_version(cm);
+ }
+
+ last_w = cpi->oxcf.Width;
+ last_h = cpi->oxcf.Height;
+ prev_number_of_layers = cpi->oxcf.number_of_layers;
+
+ cpi->oxcf = *oxcf;
+
+ switch (cpi->oxcf.Mode)
+ {
+
+ case MODE_REALTIME:
+ cpi->pass = 0;
+ cpi->compressor_speed = 2;
+
+ if (cpi->oxcf.cpu_used < -16)
+ {
+ cpi->oxcf.cpu_used = -16;
+ }
+
+ if (cpi->oxcf.cpu_used > 16)
+ cpi->oxcf.cpu_used = 16;
+
+ break;
+
+ case MODE_GOODQUALITY:
+ cpi->pass = 0;
+ cpi->compressor_speed = 1;
+
+ if (cpi->oxcf.cpu_used < -5)
+ {
+ cpi->oxcf.cpu_used = -5;
+ }
+
+ if (cpi->oxcf.cpu_used > 5)
+ cpi->oxcf.cpu_used = 5;
+
+ break;
+
+ case MODE_BESTQUALITY:
+ cpi->pass = 0;
+ cpi->compressor_speed = 0;
+ break;
+
+ case MODE_FIRSTPASS:
+ cpi->pass = 1;
+ cpi->compressor_speed = 1;
+ break;
+ case MODE_SECONDPASS:
+ cpi->pass = 2;
+ cpi->compressor_speed = 1;
+
+ if (cpi->oxcf.cpu_used < -5)
+ {
+ cpi->oxcf.cpu_used = -5;
+ }
+
+ if (cpi->oxcf.cpu_used > 5)
+ cpi->oxcf.cpu_used = 5;
+
+ break;
+ case MODE_SECONDPASS_BEST:
+ cpi->pass = 2;
+ cpi->compressor_speed = 0;
+ break;
+ }
+
+ if (cpi->pass == 0)
+ cpi->auto_worst_q = 1;
+
+ cpi->oxcf.worst_allowed_q = q_trans[oxcf->worst_allowed_q];
+ cpi->oxcf.best_allowed_q = q_trans[oxcf->best_allowed_q];
+ cpi->oxcf.cq_level = q_trans[cpi->oxcf.cq_level];
+
+ if (oxcf->fixed_q >= 0)
+ {
+ if (oxcf->worst_allowed_q < 0)
+ cpi->oxcf.fixed_q = q_trans[0];
+ else
+ cpi->oxcf.fixed_q = q_trans[oxcf->worst_allowed_q];
+
+ if (oxcf->alt_q < 0)
+ cpi->oxcf.alt_q = q_trans[0];
+ else
+ cpi->oxcf.alt_q = q_trans[oxcf->alt_q];
+
+ if (oxcf->key_q < 0)
+ cpi->oxcf.key_q = q_trans[0];
+ else
+ cpi->oxcf.key_q = q_trans[oxcf->key_q];
+
+ if (oxcf->gold_q < 0)
+ cpi->oxcf.gold_q = q_trans[0];
+ else
+ cpi->oxcf.gold_q = q_trans[oxcf->gold_q];
+
+ }
+
+ cpi->baseline_gf_interval =
+ cpi->oxcf.alt_freq ? cpi->oxcf.alt_freq : DEFAULT_GF_INTERVAL;
+
+#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ cpi->oxcf.token_partitions = 3;
+#endif
+
+ if (cpi->oxcf.token_partitions >= 0 && cpi->oxcf.token_partitions <= 3)
+ cm->multi_token_partition =
+ (TOKEN_PARTITION) cpi->oxcf.token_partitions;
+
+ setup_features(cpi);
+
+ {
+ int i;
+
+ for (i = 0; i < MAX_MB_SEGMENTS; i++)
+ cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout;
+ }
+
+ /* At the moment the first order values may not be > MAXQ */
+ if (cpi->oxcf.fixed_q > MAXQ)
+ cpi->oxcf.fixed_q = MAXQ;
+
+ /* local file playback mode == really big buffer */
+ if (cpi->oxcf.end_usage == USAGE_LOCAL_FILE_PLAYBACK)
+ {
+ cpi->oxcf.starting_buffer_level = 60000;
+ cpi->oxcf.optimal_buffer_level = 60000;
+ cpi->oxcf.maximum_buffer_size = 240000;
+ cpi->oxcf.starting_buffer_level_in_ms = 60000;
+ cpi->oxcf.optimal_buffer_level_in_ms = 60000;
+ cpi->oxcf.maximum_buffer_size_in_ms = 240000;
+ }
+
+ /* Convert target bandwidth from Kbit/s to Bit/s */
+ cpi->oxcf.target_bandwidth *= 1000;
+
+ cpi->oxcf.starting_buffer_level =
+ rescale((int)cpi->oxcf.starting_buffer_level,
+ cpi->oxcf.target_bandwidth, 1000);
+
+ /* Set or reset optimal and maximum buffer levels. */
+ if (cpi->oxcf.optimal_buffer_level == 0)
+ cpi->oxcf.optimal_buffer_level = cpi->oxcf.target_bandwidth / 8;
+ else
+ cpi->oxcf.optimal_buffer_level =
+ rescale((int)cpi->oxcf.optimal_buffer_level,
+ cpi->oxcf.target_bandwidth, 1000);
+
+ if (cpi->oxcf.maximum_buffer_size == 0)
+ cpi->oxcf.maximum_buffer_size = cpi->oxcf.target_bandwidth / 8;
+ else
+ cpi->oxcf.maximum_buffer_size =
+ rescale((int)cpi->oxcf.maximum_buffer_size,
+ cpi->oxcf.target_bandwidth, 1000);
+ // Under a configuration change, where maximum_buffer_size may change,
+ // keep buffer level clipped to the maximum allowed buffer size.
+ if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size) {
+ cpi->bits_off_target = cpi->oxcf.maximum_buffer_size;
+ cpi->buffer_level = cpi->bits_off_target;
+ }
+
+ /* Set up frame rate and related parameters rate control values. */
+ vp8_new_framerate(cpi, cpi->framerate);
+
+ /* Set absolute upper and lower quality limits */
+ cpi->worst_quality = cpi->oxcf.worst_allowed_q;
+ cpi->best_quality = cpi->oxcf.best_allowed_q;
+
+ /* active values should only be modified if out of new range */
+ if (cpi->active_worst_quality > cpi->oxcf.worst_allowed_q)
+ {
+ cpi->active_worst_quality = cpi->oxcf.worst_allowed_q;
+ }
+ /* less likely */
+ else if (cpi->active_worst_quality < cpi->oxcf.best_allowed_q)
+ {
+ cpi->active_worst_quality = cpi->oxcf.best_allowed_q;
+ }
+ if (cpi->active_best_quality < cpi->oxcf.best_allowed_q)
+ {
+ cpi->active_best_quality = cpi->oxcf.best_allowed_q;
+ }
+ /* less likely */
+ else if (cpi->active_best_quality > cpi->oxcf.worst_allowed_q)
+ {
+ cpi->active_best_quality = cpi->oxcf.worst_allowed_q;
+ }
+
+ cpi->buffered_mode = cpi->oxcf.optimal_buffer_level > 0;
+
+ cpi->cq_target_quality = cpi->oxcf.cq_level;
+
+ /* Only allow dropped frames in buffered mode */
+ cpi->drop_frames_allowed = cpi->oxcf.allow_df && cpi->buffered_mode;
+
+ cpi->target_bandwidth = cpi->oxcf.target_bandwidth;
+
+ // Check if the number of temporal layers has changed, and if so reset the
+ // pattern counter and set/initialize the temporal layer context for the
+ // new layer configuration.
+ if (cpi->oxcf.number_of_layers != prev_number_of_layers)
+ {
+ // If the number of temporal layers are changed we must start at the
+ // base of the pattern cycle, so set the layer id to 0 and reset
+ // the temporal pattern counter.
+ if (cpi->temporal_layer_id > 0) {
+ cpi->temporal_layer_id = 0;
+ }
+ cpi->temporal_pattern_counter = 0;
+ reset_temporal_layer_change(cpi, oxcf, prev_number_of_layers);
+ }
+
+ if (!cpi->initial_width)
+ {
+ cpi->initial_width = cpi->oxcf.Width;
+ cpi->initial_height = cpi->oxcf.Height;
+ }
+
+ cm->Width = cpi->oxcf.Width;
+ cm->Height = cpi->oxcf.Height;
+ assert(cm->Width <= cpi->initial_width);
+ assert(cm->Height <= cpi->initial_height);
+
+ /* TODO(jkoleszar): if an internal spatial resampling is active,
+ * and we downsize the input image, maybe we should clear the
+ * internal scale immediately rather than waiting for it to
+ * correct.
+ */
+
+ /* VP8 sharpness level mapping 0-7 (vs 0-10 in general VPx dialogs) */
+ if (cpi->oxcf.Sharpness > 7)
+ cpi->oxcf.Sharpness = 7;
+
+ cm->sharpness_level = cpi->oxcf.Sharpness;
+
+ if (cm->horiz_scale != NORMAL || cm->vert_scale != NORMAL)
+ {
+ int UNINITIALIZED_IS_SAFE(hr), UNINITIALIZED_IS_SAFE(hs);
+ int UNINITIALIZED_IS_SAFE(vr), UNINITIALIZED_IS_SAFE(vs);
+
+ Scale2Ratio(cm->horiz_scale, &hr, &hs);
+ Scale2Ratio(cm->vert_scale, &vr, &vs);
+
+ /* always go to the next whole number */
+ cm->Width = (hs - 1 + cpi->oxcf.Width * hr) / hs;
+ cm->Height = (vs - 1 + cpi->oxcf.Height * vr) / vs;
+ }
+
+ if (last_w != cpi->oxcf.Width || last_h != cpi->oxcf.Height)
+ cpi->force_next_frame_intra = 1;
+
+ if (((cm->Width + 15) & 0xfffffff0) !=
+ cm->yv12_fb[cm->lst_fb_idx].y_width ||
+ ((cm->Height + 15) & 0xfffffff0) !=
+ cm->yv12_fb[cm->lst_fb_idx].y_height ||
+ cm->yv12_fb[cm->lst_fb_idx].y_width == 0)
+ {
+ dealloc_raw_frame_buffers(cpi);
+ alloc_raw_frame_buffers(cpi);
+ vp8_alloc_compressor_data(cpi);
+ }
+
+ if (cpi->oxcf.fixed_q >= 0)
+ {
+ cpi->last_q[0] = cpi->oxcf.fixed_q;
+ cpi->last_q[1] = cpi->oxcf.fixed_q;
+ }
+
+ cpi->Speed = cpi->oxcf.cpu_used;
+
+ /* force to allowlag to 0 if lag_in_frames is 0; */
+ if (cpi->oxcf.lag_in_frames == 0)
+ {
+ cpi->oxcf.allow_lag = 0;
+ }
+ /* Limit on lag buffers as these are not currently dynamically allocated */
+ else if (cpi->oxcf.lag_in_frames > MAX_LAG_BUFFERS)
+ cpi->oxcf.lag_in_frames = MAX_LAG_BUFFERS;
+
+ /* YX Temp */
+ cpi->alt_ref_source = NULL;
+ cpi->is_src_frame_alt_ref = 0;
+
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity)
+ {
+ if (!cpi->denoiser.yv12_mc_running_avg.buffer_alloc)
+ {
+ int width = (cpi->oxcf.Width + 15) & ~15;
+ int height = (cpi->oxcf.Height + 15) & ~15;
+ vp8_denoiser_allocate(&cpi->denoiser, width, height,
+ cm->mb_rows, cm->mb_cols,
+ cpi->oxcf.noise_sensitivity);
+ }
+ }
+#endif
+
+#if 0
+ /* Experimental RD Code */
+ cpi->frame_distortion = 0;
+ cpi->last_frame_distortion = 0;
+#endif
+
+}
+
+#ifndef M_LOG2_E
+#define M_LOG2_E 0.693147180559945309417
+#endif
+#define log2f(x) (log (x) / (float) M_LOG2_E)
+
+static void cal_mvsadcosts(int *mvsadcost[2])
+{
+ int i = 1;
+
+ mvsadcost [0] [0] = 300;
+ mvsadcost [1] [0] = 300;
+
+ do
+ {
+ double z = 256 * (2 * (log2f(8 * i) + .6));
+ mvsadcost [0][i] = (int) z;
+ mvsadcost [1][i] = (int) z;
+ mvsadcost [0][-i] = (int) z;
+ mvsadcost [1][-i] = (int) z;
+ }
+ while (++i <= mvfp_max);
+}
+
+struct VP8_COMP* vp8_create_compressor(VP8_CONFIG *oxcf)
+{
+ int i;
+
+ VP8_COMP *cpi;
+ VP8_COMMON *cm;
+
+ cpi = vpx_memalign(32, sizeof(VP8_COMP));
+ /* Check that the CPI instance is valid */
+ if (!cpi)
+ return 0;
+
+ cm = &cpi->common;
+
+ memset(cpi, 0, sizeof(VP8_COMP));
+
+ if (setjmp(cm->error.jmp))
+ {
+ cpi->common.error.setjmp = 0;
+ vp8_remove_compressor(&cpi);
+ return 0;
+ }
+
+ cpi->common.error.setjmp = 1;
+
+ CHECK_MEM_ERROR(cpi->mb.ss, vpx_calloc(sizeof(search_site), (MAX_MVSEARCH_STEPS * 8) + 1));
+
+ vp8_create_common(&cpi->common);
+
+ init_config(cpi, oxcf);
+
+ memcpy(cpi->base_skip_false_prob, vp8cx_base_skip_false_prob, sizeof(vp8cx_base_skip_false_prob));
+ cpi->common.current_video_frame = 0;
+ cpi->temporal_pattern_counter = 0;
+ cpi->temporal_layer_id = -1;
+ cpi->kf_overspend_bits = 0;
+ cpi->kf_bitrate_adjustment = 0;
+ cpi->frames_till_gf_update_due = 0;
+ cpi->gf_overspend_bits = 0;
+ cpi->non_gf_bitrate_adjustment = 0;
+ cpi->prob_last_coded = 128;
+ cpi->prob_gf_coded = 128;
+ cpi->prob_intra_coded = 63;
+
+ /* Prime the recent reference frame usage counters.
+ * Hereafter they will be maintained as a sort of moving average
+ */
+ cpi->recent_ref_frame_usage[INTRA_FRAME] = 1;
+ cpi->recent_ref_frame_usage[LAST_FRAME] = 1;
+ cpi->recent_ref_frame_usage[GOLDEN_FRAME] = 1;
+ cpi->recent_ref_frame_usage[ALTREF_FRAME] = 1;
+
+ /* Set reference frame sign bias for ALTREF frame to 1 (for now) */
+ cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 1;
+
+ cpi->twopass.gf_decay_rate = 0;
+ cpi->baseline_gf_interval = DEFAULT_GF_INTERVAL;
+
+ cpi->gold_is_last = 0 ;
+ cpi->alt_is_last = 0 ;
+ cpi->gold_is_alt = 0 ;
+
+ cpi->active_map_enabled = 0;
+
+#if 0
+ /* Experimental code for lagged and one pass */
+ /* Initialise one_pass GF frames stats */
+ /* Update stats used for GF selection */
+ if (cpi->pass == 0)
+ {
+ cpi->one_pass_frame_index = 0;
+
+ for (i = 0; i < MAX_LAG_BUFFERS; i++)
+ {
+ cpi->one_pass_frame_stats[i].frames_so_far = 0;
+ cpi->one_pass_frame_stats[i].frame_intra_error = 0.0;
+ cpi->one_pass_frame_stats[i].frame_coded_error = 0.0;
+ cpi->one_pass_frame_stats[i].frame_pcnt_inter = 0.0;
+ cpi->one_pass_frame_stats[i].frame_pcnt_motion = 0.0;
+ cpi->one_pass_frame_stats[i].frame_mvr = 0.0;
+ cpi->one_pass_frame_stats[i].frame_mvr_abs = 0.0;
+ cpi->one_pass_frame_stats[i].frame_mvc = 0.0;
+ cpi->one_pass_frame_stats[i].frame_mvc_abs = 0.0;
+ }
+ }
+#endif
+
+ cpi->mse_source_denoised = 0;
+
+ /* Should we use the cyclic refresh method.
+ * Currently this is tied to error resilliant mode
+ */
+ cpi->cyclic_refresh_mode_enabled = cpi->oxcf.error_resilient_mode;
+ cpi->cyclic_refresh_mode_max_mbs_perframe = (cpi->common.mb_rows * cpi->common.mb_cols) / 5;
+ if (cpi->oxcf.number_of_layers == 1) {
+ cpi->cyclic_refresh_mode_max_mbs_perframe =
+ (cpi->common.mb_rows * cpi->common.mb_cols) / 20;
+ } else if (cpi->oxcf.number_of_layers == 2) {
+ cpi->cyclic_refresh_mode_max_mbs_perframe =
+ (cpi->common.mb_rows * cpi->common.mb_cols) / 10;
+ }
+ cpi->cyclic_refresh_mode_index = 0;
+ cpi->cyclic_refresh_q = 32;
+
+ if (cpi->cyclic_refresh_mode_enabled)
+ {
+ CHECK_MEM_ERROR(cpi->cyclic_refresh_map, vpx_calloc((cpi->common.mb_rows * cpi->common.mb_cols), 1));
+ }
+ else
+ cpi->cyclic_refresh_map = (signed char *) NULL;
+
+ CHECK_MEM_ERROR(cpi->consec_zero_last,
+ vpx_calloc(cm->mb_rows * cm->mb_cols, 1));
+ CHECK_MEM_ERROR(cpi->consec_zero_last_mvbias,
+ vpx_calloc((cpi->common.mb_rows * cpi->common.mb_cols), 1));
+
+#ifdef VP8_ENTROPY_STATS
+ init_context_counters();
+#endif
+
+ /*Initialize the feed-forward activity masking.*/
+ cpi->activity_avg = 90<<12;
+
+ /* Give a sensible default for the first frame. */
+ cpi->frames_since_key = 8;
+ cpi->key_frame_frequency = cpi->oxcf.key_freq;
+ cpi->this_key_frame_forced = 0;
+ cpi->next_key_frame_forced = 0;
+
+ cpi->source_alt_ref_pending = 0;
+ cpi->source_alt_ref_active = 0;
+ cpi->common.refresh_alt_ref_frame = 0;
+
+ cpi->force_maxqp = 0;
+
+ cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
+#if CONFIG_INTERNAL_STATS
+ cpi->b_calculate_ssimg = 0;
+
+ cpi->count = 0;
+ cpi->bytes = 0;
+
+ if (cpi->b_calculate_psnr)
+ {
+ cpi->total_sq_error = 0.0;
+ cpi->total_sq_error2 = 0.0;
+ cpi->total_y = 0.0;
+ cpi->total_u = 0.0;
+ cpi->total_v = 0.0;
+ cpi->total = 0.0;
+ cpi->totalp_y = 0.0;
+ cpi->totalp_u = 0.0;
+ cpi->totalp_v = 0.0;
+ cpi->totalp = 0.0;
+ cpi->tot_recode_hits = 0;
+ cpi->summed_quality = 0;
+ cpi->summed_weights = 0;
+ }
+
+ if (cpi->b_calculate_ssimg)
+ {
+ cpi->total_ssimg_y = 0;
+ cpi->total_ssimg_u = 0;
+ cpi->total_ssimg_v = 0;
+ cpi->total_ssimg_all = 0;
+ }
+
+#endif
+
+ cpi->first_time_stamp_ever = 0x7FFFFFFF;
+
+ cpi->frames_till_gf_update_due = 0;
+ cpi->key_frame_count = 1;
+
+ cpi->ni_av_qi = cpi->oxcf.worst_allowed_q;
+ cpi->ni_tot_qi = 0;
+ cpi->ni_frames = 0;
+ cpi->total_byte_count = 0;
+
+ cpi->drop_frame = 0;
+
+ cpi->rate_correction_factor = 1.0;
+ cpi->key_frame_rate_correction_factor = 1.0;
+ cpi->gf_rate_correction_factor = 1.0;
+ cpi->twopass.est_max_qcorrection_factor = 1.0;
+
+ for (i = 0; i < KEY_FRAME_CONTEXT; i++)
+ {
+ cpi->prior_key_frame_distance[i] = (int)cpi->output_framerate;
+ }
+
+#ifdef OUTPUT_YUV_SRC
+ yuv_file = fopen("bd.yuv", "ab");
+#endif
+#ifdef OUTPUT_YUV_DENOISED
+ yuv_denoised_file = fopen("denoised.yuv", "ab");
+#endif
+
+#if 0
+ framepsnr = fopen("framepsnr.stt", "a");
+ kf_list = fopen("kf_list.stt", "w");
+#endif
+
+ cpi->output_pkt_list = oxcf->output_pkt_list;
+
+#if !(CONFIG_REALTIME_ONLY)
+
+ if (cpi->pass == 1)
+ {
+ vp8_init_first_pass(cpi);
+ }
+ else if (cpi->pass == 2)
+ {
+ size_t packet_sz = sizeof(FIRSTPASS_STATS);
+ int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz);
+
+ cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf;
+ cpi->twopass.stats_in = cpi->twopass.stats_in_start;
+ cpi->twopass.stats_in_end = (void*)((char *)cpi->twopass.stats_in
+ + (packets - 1) * packet_sz);
+ vp8_init_second_pass(cpi);
+ }
+
+#endif
+
+ if (cpi->compressor_speed == 2)
+ {
+ cpi->avg_encode_time = 0;
+ cpi->avg_pick_mode_time = 0;
+ }
+
+ vp8_set_speed_features(cpi);
+
+ /* Set starting values of RD threshold multipliers (128 = *1) */
+ for (i = 0; i < MAX_MODES; i++)
+ {
+ cpi->mb.rd_thresh_mult[i] = 128;
+ }
+
+#ifdef VP8_ENTROPY_STATS
+ init_mv_ref_counts();
+#endif
+
+#if CONFIG_MULTITHREAD
+ if(vp8cx_create_encoder_threads(cpi))
+ {
+ vp8_remove_compressor(&cpi);
+ return 0;
+ }
+#endif
+
+ cpi->fn_ptr[BLOCK_16X16].sdf = vpx_sad16x16;
+ cpi->fn_ptr[BLOCK_16X16].vf = vpx_variance16x16;
+ cpi->fn_ptr[BLOCK_16X16].svf = vp8_sub_pixel_variance16x16;
+ cpi->fn_ptr[BLOCK_16X16].svf_halfpix_h = vp8_variance_halfpixvar16x16_h;
+ cpi->fn_ptr[BLOCK_16X16].svf_halfpix_v = vp8_variance_halfpixvar16x16_v;
+ cpi->fn_ptr[BLOCK_16X16].svf_halfpix_hv = vp8_variance_halfpixvar16x16_hv;
+ cpi->fn_ptr[BLOCK_16X16].sdx3f = vpx_sad16x16x3;
+ cpi->fn_ptr[BLOCK_16X16].sdx8f = vpx_sad16x16x8;
+ cpi->fn_ptr[BLOCK_16X16].sdx4df = vpx_sad16x16x4d;
+
+ cpi->fn_ptr[BLOCK_16X8].sdf = vpx_sad16x8;
+ cpi->fn_ptr[BLOCK_16X8].vf = vpx_variance16x8;
+ cpi->fn_ptr[BLOCK_16X8].svf = vp8_sub_pixel_variance16x8;
+ cpi->fn_ptr[BLOCK_16X8].svf_halfpix_h = NULL;
+ cpi->fn_ptr[BLOCK_16X8].svf_halfpix_v = NULL;
+ cpi->fn_ptr[BLOCK_16X8].svf_halfpix_hv = NULL;
+ cpi->fn_ptr[BLOCK_16X8].sdx3f = vpx_sad16x8x3;
+ cpi->fn_ptr[BLOCK_16X8].sdx8f = vpx_sad16x8x8;
+ cpi->fn_ptr[BLOCK_16X8].sdx4df = vpx_sad16x8x4d;
+
+ cpi->fn_ptr[BLOCK_8X16].sdf = vpx_sad8x16;
+ cpi->fn_ptr[BLOCK_8X16].vf = vpx_variance8x16;
+ cpi->fn_ptr[BLOCK_8X16].svf = vp8_sub_pixel_variance8x16;
+ cpi->fn_ptr[BLOCK_8X16].svf_halfpix_h = NULL;
+ cpi->fn_ptr[BLOCK_8X16].svf_halfpix_v = NULL;
+ cpi->fn_ptr[BLOCK_8X16].svf_halfpix_hv = NULL;
+ cpi->fn_ptr[BLOCK_8X16].sdx3f = vpx_sad8x16x3;
+ cpi->fn_ptr[BLOCK_8X16].sdx8f = vpx_sad8x16x8;
+ cpi->fn_ptr[BLOCK_8X16].sdx4df = vpx_sad8x16x4d;
+
+ cpi->fn_ptr[BLOCK_8X8].sdf = vpx_sad8x8;
+ cpi->fn_ptr[BLOCK_8X8].vf = vpx_variance8x8;
+ cpi->fn_ptr[BLOCK_8X8].svf = vp8_sub_pixel_variance8x8;
+ cpi->fn_ptr[BLOCK_8X8].svf_halfpix_h = NULL;
+ cpi->fn_ptr[BLOCK_8X8].svf_halfpix_v = NULL;
+ cpi->fn_ptr[BLOCK_8X8].svf_halfpix_hv = NULL;
+ cpi->fn_ptr[BLOCK_8X8].sdx3f = vpx_sad8x8x3;
+ cpi->fn_ptr[BLOCK_8X8].sdx8f = vpx_sad8x8x8;
+ cpi->fn_ptr[BLOCK_8X8].sdx4df = vpx_sad8x8x4d;
+
+ cpi->fn_ptr[BLOCK_4X4].sdf = vpx_sad4x4;
+ cpi->fn_ptr[BLOCK_4X4].vf = vpx_variance4x4;
+ cpi->fn_ptr[BLOCK_4X4].svf = vp8_sub_pixel_variance4x4;
+ cpi->fn_ptr[BLOCK_4X4].svf_halfpix_h = NULL;
+ cpi->fn_ptr[BLOCK_4X4].svf_halfpix_v = NULL;
+ cpi->fn_ptr[BLOCK_4X4].svf_halfpix_hv = NULL;
+ cpi->fn_ptr[BLOCK_4X4].sdx3f = vpx_sad4x4x3;
+ cpi->fn_ptr[BLOCK_4X4].sdx8f = vpx_sad4x4x8;
+ cpi->fn_ptr[BLOCK_4X4].sdx4df = vpx_sad4x4x4d;
+
+#if ARCH_X86 || ARCH_X86_64
+ cpi->fn_ptr[BLOCK_16X16].copymem = vp8_copy32xn;
+ cpi->fn_ptr[BLOCK_16X8].copymem = vp8_copy32xn;
+ cpi->fn_ptr[BLOCK_8X16].copymem = vp8_copy32xn;
+ cpi->fn_ptr[BLOCK_8X8].copymem = vp8_copy32xn;
+ cpi->fn_ptr[BLOCK_4X4].copymem = vp8_copy32xn;
+#endif
+
+ cpi->full_search_sad = vp8_full_search_sad;
+ cpi->diamond_search_sad = vp8_diamond_search_sad;
+ cpi->refining_search_sad = vp8_refining_search_sad;
+
+ /* make sure frame 1 is okay */
+ cpi->mb.error_bins[0] = cpi->common.MBs;
+
+ /* vp8cx_init_quantizer() is first called here. Add check in
+ * vp8cx_frame_init_quantizer() so that vp8cx_init_quantizer is only
+ * called later when needed. This will avoid unnecessary calls of
+ * vp8cx_init_quantizer() for every frame.
+ */
+ vp8cx_init_quantizer(cpi);
+
+ vp8_loop_filter_init(cm);
+
+ cpi->common.error.setjmp = 0;
+
+#if CONFIG_MULTI_RES_ENCODING
+
+ /* Calculate # of MBs in a row in lower-resolution level image. */
+ if (cpi->oxcf.mr_encoder_id > 0)
+ vp8_cal_low_res_mb_cols(cpi);
+
+#endif
+
+ /* setup RD costs to MACROBLOCK struct */
+
+ cpi->mb.mvcost[0] = &cpi->rd_costs.mvcosts[0][mv_max+1];
+ cpi->mb.mvcost[1] = &cpi->rd_costs.mvcosts[1][mv_max+1];
+ cpi->mb.mvsadcost[0] = &cpi->rd_costs.mvsadcosts[0][mvfp_max+1];
+ cpi->mb.mvsadcost[1] = &cpi->rd_costs.mvsadcosts[1][mvfp_max+1];
+
+ cal_mvsadcosts(cpi->mb.mvsadcost);
+
+ cpi->mb.mbmode_cost = cpi->rd_costs.mbmode_cost;
+ cpi->mb.intra_uv_mode_cost = cpi->rd_costs.intra_uv_mode_cost;
+ cpi->mb.bmode_costs = cpi->rd_costs.bmode_costs;
+ cpi->mb.inter_bmode_costs = cpi->rd_costs.inter_bmode_costs;
+ cpi->mb.token_costs = cpi->rd_costs.token_costs;
+
+ /* setup block ptrs & offsets */
+ vp8_setup_block_ptrs(&cpi->mb);
+ vp8_setup_block_dptrs(&cpi->mb.e_mbd);
+
+ return cpi;
+}
+
+
+void vp8_remove_compressor(VP8_COMP **ptr)
+{
+ VP8_COMP *cpi = *ptr;
+
+ if (!cpi)
+ return;
+
+ if (cpi && (cpi->common.current_video_frame > 0))
+ {
+#if !(CONFIG_REALTIME_ONLY)
+
+ if (cpi->pass == 2)
+ {
+ vp8_end_second_pass(cpi);
+ }
+
+#endif
+
+#ifdef VP8_ENTROPY_STATS
+ print_context_counters();
+ print_tree_update_probs();
+ print_mode_context();
+#endif
+
+#if CONFIG_INTERNAL_STATS
+
+ if (cpi->pass != 1)
+ {
+ FILE *f = fopen("opsnr.stt", "a");
+ double time_encoded = (cpi->last_end_time_stamp_seen
+ - cpi->first_time_stamp_ever) / 10000000.000;
+ double total_encode_time = (cpi->time_receive_data +
+ cpi->time_compress_data) / 1000.000;
+ double dr = (double)cpi->bytes * 8.0 / 1000.0 / time_encoded;
+
+ if (cpi->b_calculate_psnr)
+ {
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ int i;
+
+ fprintf(f, "Layer\tBitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\t"
+ "GLPsnrP\tVPXSSIM\t\n");
+ for (i=0; i<(int)cpi->oxcf.number_of_layers; i++)
+ {
+ double dr = (double)cpi->bytes_in_layer[i] *
+ 8.0 / 1000.0 / time_encoded;
+ double samples = 3.0 / 2 * cpi->frames_in_layer[i] *
+ cpi->common.Width * cpi->common.Height;
+ double total_psnr =
+ vpx_sse_to_psnr(samples, 255.0,
+ cpi->total_error2[i]);
+ double total_psnr2 =
+ vpx_sse_to_psnr(samples, 255.0,
+ cpi->total_error2_p[i]);
+ double total_ssim = 100 * pow(cpi->sum_ssim[i] /
+ cpi->sum_weights[i], 8.0);
+
+ fprintf(f, "%5d\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
+ "%7.3f\t%7.3f\n",
+ i, dr,
+ cpi->sum_psnr[i] / cpi->frames_in_layer[i],
+ total_psnr,
+ cpi->sum_psnr_p[i] / cpi->frames_in_layer[i],
+ total_psnr2, total_ssim);
+ }
+ }
+ else
+ {
+ double samples = 3.0 / 2 * cpi->count *
+ cpi->common.Width * cpi->common.Height;
+ double total_psnr = vpx_sse_to_psnr(samples, 255.0,
+ cpi->total_sq_error);
+ double total_psnr2 = vpx_sse_to_psnr(samples, 255.0,
+ cpi->total_sq_error2);
+ double total_ssim = 100 * pow(cpi->summed_quality /
+ cpi->summed_weights, 8.0);
+
+ fprintf(f, "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\t"
+ "GLPsnrP\tVPXSSIM\t Time(us)\n");
+ fprintf(f, "%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
+ "%7.3f\t%8.0f\n",
+ dr, cpi->total / cpi->count, total_psnr,
+ cpi->totalp / cpi->count, total_psnr2,
+ total_ssim, total_encode_time);
+ }
+ }
+
+ if (cpi->b_calculate_ssimg)
+ {
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ int i;
+
+ fprintf(f, "Layer\tBitRate\tSSIM_Y\tSSIM_U\tSSIM_V\tSSIM_A\t"
+ "Time(us)\n");
+ for (i=0; i<(int)cpi->oxcf.number_of_layers; i++)
+ {
+ double dr = (double)cpi->bytes_in_layer[i] *
+ 8.0 / 1000.0 / time_encoded;
+ fprintf(f, "%5d\t%7.3f\t%6.4f\t"
+ "%6.4f\t%6.4f\t%6.4f\t%8.0f\n",
+ i, dr,
+ cpi->total_ssimg_y_in_layer[i] /
+ cpi->frames_in_layer[i],
+ cpi->total_ssimg_u_in_layer[i] /
+ cpi->frames_in_layer[i],
+ cpi->total_ssimg_v_in_layer[i] /
+ cpi->frames_in_layer[i],
+ cpi->total_ssimg_all_in_layer[i] /
+ cpi->frames_in_layer[i],
+ total_encode_time);
+ }
+ }
+ else
+ {
+ fprintf(f, "BitRate\tSSIM_Y\tSSIM_U\tSSIM_V\tSSIM_A\t"
+ "Time(us)\n");
+ fprintf(f, "%7.3f\t%6.4f\t%6.4f\t%6.4f\t%6.4f\t%8.0f\n", dr,
+ cpi->total_ssimg_y / cpi->count,
+ cpi->total_ssimg_u / cpi->count,
+ cpi->total_ssimg_v / cpi->count,
+ cpi->total_ssimg_all / cpi->count, total_encode_time);
+ }
+ }
+
+ fclose(f);
+#if 0
+ f = fopen("qskip.stt", "a");
+ fprintf(f, "minq:%d -maxq:%d skiptrue:skipfalse = %d:%d\n", cpi->oxcf.best_allowed_q, cpi->oxcf.worst_allowed_q, skiptruecount, skipfalsecount);
+ fclose(f);
+#endif
+
+ }
+
+#endif
+
+
+#ifdef SPEEDSTATS
+
+ if (cpi->compressor_speed == 2)
+ {
+ int i;
+ FILE *f = fopen("cxspeed.stt", "a");
+ cnt_pm /= cpi->common.MBs;
+
+ for (i = 0; i < 16; i++)
+ fprintf(f, "%5d", frames_at_speed[i]);
+
+ fprintf(f, "\n");
+ fclose(f);
+ }
+
+#endif
+
+
+#ifdef MODE_STATS
+ {
+ extern int count_mb_seg[4];
+ FILE *f = fopen("modes.stt", "a");
+ double dr = (double)cpi->framerate * (double)bytes * (double)8 / (double)count / (double)1000 ;
+ fprintf(f, "intra_mode in Intra Frames:\n");
+ fprintf(f, "Y: %8d, %8d, %8d, %8d, %8d\n", y_modes[0], y_modes[1], y_modes[2], y_modes[3], y_modes[4]);
+ fprintf(f, "UV:%8d, %8d, %8d, %8d\n", uv_modes[0], uv_modes[1], uv_modes[2], uv_modes[3]);
+ fprintf(f, "B: ");
+ {
+ int i;
+
+ for (i = 0; i < 10; i++)
+ fprintf(f, "%8d, ", b_modes[i]);
+
+ fprintf(f, "\n");
+
+ }
+
+ fprintf(f, "Modes in Inter Frames:\n");
+ fprintf(f, "Y: %8d, %8d, %8d, %8d, %8d, %8d, %8d, %8d, %8d, %8d\n",
+ inter_y_modes[0], inter_y_modes[1], inter_y_modes[2], inter_y_modes[3], inter_y_modes[4],
+ inter_y_modes[5], inter_y_modes[6], inter_y_modes[7], inter_y_modes[8], inter_y_modes[9]);
+ fprintf(f, "UV:%8d, %8d, %8d, %8d\n", inter_uv_modes[0], inter_uv_modes[1], inter_uv_modes[2], inter_uv_modes[3]);
+ fprintf(f, "B: ");
+ {
+ int i;
+
+ for (i = 0; i < 15; i++)
+ fprintf(f, "%8d, ", inter_b_modes[i]);
+
+ fprintf(f, "\n");
+
+ }
+ fprintf(f, "P:%8d, %8d, %8d, %8d\n", count_mb_seg[0], count_mb_seg[1], count_mb_seg[2], count_mb_seg[3]);
+ fprintf(f, "PB:%8d, %8d, %8d, %8d\n", inter_b_modes[LEFT4X4], inter_b_modes[ABOVE4X4], inter_b_modes[ZERO4X4], inter_b_modes[NEW4X4]);
+
+
+
+ fclose(f);
+ }
+#endif
+
+#ifdef VP8_ENTROPY_STATS
+ {
+ int i, j, k;
+ FILE *fmode = fopen("modecontext.c", "w");
+
+ fprintf(fmode, "\n#include \"entropymode.h\"\n\n");
+ fprintf(fmode, "const unsigned int vp8_kf_default_bmode_counts ");
+ fprintf(fmode, "[VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES] =\n{\n");
+
+ for (i = 0; i < 10; i++)
+ {
+
+ fprintf(fmode, " { /* Above Mode : %d */\n", i);
+
+ for (j = 0; j < 10; j++)
+ {
+
+ fprintf(fmode, " {");
+
+ for (k = 0; k < 10; k++)
+ {
+ if (!intra_mode_stats[i][j][k])
+ fprintf(fmode, " %5d, ", 1);
+ else
+ fprintf(fmode, " %5d, ", intra_mode_stats[i][j][k]);
+ }
+
+ fprintf(fmode, "}, /* left_mode %d */\n", j);
+
+ }
+
+ fprintf(fmode, " },\n");
+
+ }
+
+ fprintf(fmode, "};\n");
+ fclose(fmode);
+ }
+#endif
+
+
+#if defined(SECTIONBITS_OUTPUT)
+
+ if (0)
+ {
+ int i;
+ FILE *f = fopen("tokenbits.stt", "a");
+
+ for (i = 0; i < 28; i++)
+ fprintf(f, "%8d", (int)(Sectionbits[i] / 256));
+
+ fprintf(f, "\n");
+ fclose(f);
+ }
+
+#endif
+
+#if 0
+ {
+ printf("\n_pick_loop_filter_level:%d\n", cpi->time_pick_lpf / 1000);
+ printf("\n_frames recive_data encod_mb_row compress_frame Total\n");
+ printf("%6d %10ld %10ld %10ld %10ld\n", cpi->common.current_video_frame, cpi->time_receive_data / 1000, cpi->time_encode_mb_row / 1000, cpi->time_compress_data / 1000, (cpi->time_receive_data + cpi->time_compress_data) / 1000);
+ }
+#endif
+
+ }
+
+#if CONFIG_MULTITHREAD
+ vp8cx_remove_encoder_threads(cpi);
+#endif
+
+#if CONFIG_TEMPORAL_DENOISING
+ vp8_denoiser_free(&cpi->denoiser);
+#endif
+ dealloc_compressor_data(cpi);
+ vpx_free(cpi->mb.ss);
+ vpx_free(cpi->tok);
+ vpx_free(cpi->cyclic_refresh_map);
+ vpx_free(cpi->consec_zero_last);
+ vpx_free(cpi->consec_zero_last_mvbias);
+
+ vp8_remove_common(&cpi->common);
+ vpx_free(cpi);
+ *ptr = 0;
+
+#ifdef OUTPUT_YUV_SRC
+ fclose(yuv_file);
+#endif
+#ifdef OUTPUT_YUV_DENOISED
+ fclose(yuv_denoised_file);
+#endif
+
+#if 0
+
+ if (keyfile)
+ fclose(keyfile);
+
+ if (framepsnr)
+ fclose(framepsnr);
+
+ if (kf_list)
+ fclose(kf_list);
+
+#endif
+
+}
+
+
+static uint64_t calc_plane_error(unsigned char *orig, int orig_stride,
+ unsigned char *recon, int recon_stride,
+ unsigned int cols, unsigned int rows)
+{
+ unsigned int row, col;
+ uint64_t total_sse = 0;
+ int diff;
+
+ for (row = 0; row + 16 <= rows; row += 16)
+ {
+ for (col = 0; col + 16 <= cols; col += 16)
+ {
+ unsigned int sse;
+
+ vpx_mse16x16(orig + col, orig_stride,
+ recon + col, recon_stride,
+ &sse);
+ total_sse += sse;
+ }
+
+ /* Handle odd-sized width */
+ if (col < cols)
+ {
+ unsigned int border_row, border_col;
+ unsigned char *border_orig = orig;
+ unsigned char *border_recon = recon;
+
+ for (border_row = 0; border_row < 16; border_row++)
+ {
+ for (border_col = col; border_col < cols; border_col++)
+ {
+ diff = border_orig[border_col] - border_recon[border_col];
+ total_sse += diff * diff;
+ }
+
+ border_orig += orig_stride;
+ border_recon += recon_stride;
+ }
+ }
+
+ orig += orig_stride * 16;
+ recon += recon_stride * 16;
+ }
+
+ /* Handle odd-sized height */
+ for (; row < rows; row++)
+ {
+ for (col = 0; col < cols; col++)
+ {
+ diff = orig[col] - recon[col];
+ total_sse += diff * diff;
+ }
+
+ orig += orig_stride;
+ recon += recon_stride;
+ }
+
+ vp8_clear_system_state();
+ return total_sse;
+}
+
+
+static void generate_psnr_packet(VP8_COMP *cpi)
+{
+ YV12_BUFFER_CONFIG *orig = cpi->Source;
+ YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show;
+ struct vpx_codec_cx_pkt pkt;
+ uint64_t sse;
+ int i;
+ unsigned int width = cpi->common.Width;
+ unsigned int height = cpi->common.Height;
+
+ pkt.kind = VPX_CODEC_PSNR_PKT;
+ sse = calc_plane_error(orig->y_buffer, orig->y_stride,
+ recon->y_buffer, recon->y_stride,
+ width, height);
+ pkt.data.psnr.sse[0] = sse;
+ pkt.data.psnr.sse[1] = sse;
+ pkt.data.psnr.samples[0] = width * height;
+ pkt.data.psnr.samples[1] = width * height;
+
+ width = (width + 1) / 2;
+ height = (height + 1) / 2;
+
+ sse = calc_plane_error(orig->u_buffer, orig->uv_stride,
+ recon->u_buffer, recon->uv_stride,
+ width, height);
+ pkt.data.psnr.sse[0] += sse;
+ pkt.data.psnr.sse[2] = sse;
+ pkt.data.psnr.samples[0] += width * height;
+ pkt.data.psnr.samples[2] = width * height;
+
+ sse = calc_plane_error(orig->v_buffer, orig->uv_stride,
+ recon->v_buffer, recon->uv_stride,
+ width, height);
+ pkt.data.psnr.sse[0] += sse;
+ pkt.data.psnr.sse[3] = sse;
+ pkt.data.psnr.samples[0] += width * height;
+ pkt.data.psnr.samples[3] = width * height;
+
+ for (i = 0; i < 4; i++)
+ pkt.data.psnr.psnr[i] = vpx_sse_to_psnr(pkt.data.psnr.samples[i], 255.0,
+ (double)(pkt.data.psnr.sse[i]));
+
+ vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
+}
+
+
+int vp8_use_as_reference(VP8_COMP *cpi, int ref_frame_flags)
+{
+ if (ref_frame_flags > 7)
+ return -1 ;
+
+ cpi->ref_frame_flags = ref_frame_flags;
+ return 0;
+}
+int vp8_update_reference(VP8_COMP *cpi, int ref_frame_flags)
+{
+ if (ref_frame_flags > 7)
+ return -1 ;
+
+ cpi->common.refresh_golden_frame = 0;
+ cpi->common.refresh_alt_ref_frame = 0;
+ cpi->common.refresh_last_frame = 0;
+
+ if (ref_frame_flags & VP8_LAST_FRAME)
+ cpi->common.refresh_last_frame = 1;
+
+ if (ref_frame_flags & VP8_GOLD_FRAME)
+ cpi->common.refresh_golden_frame = 1;
+
+ if (ref_frame_flags & VP8_ALTR_FRAME)
+ cpi->common.refresh_alt_ref_frame = 1;
+
+ return 0;
+}
+
+int vp8_get_reference(VP8_COMP *cpi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd)
+{
+ VP8_COMMON *cm = &cpi->common;
+ int ref_fb_idx;
+
+ if (ref_frame_flag == VP8_LAST_FRAME)
+ ref_fb_idx = cm->lst_fb_idx;
+ else if (ref_frame_flag == VP8_GOLD_FRAME)
+ ref_fb_idx = cm->gld_fb_idx;
+ else if (ref_frame_flag == VP8_ALTR_FRAME)
+ ref_fb_idx = cm->alt_fb_idx;
+ else
+ return -1;
+
+ vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd);
+
+ return 0;
+}
+int vp8_set_reference(VP8_COMP *cpi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ int ref_fb_idx;
+
+ if (ref_frame_flag == VP8_LAST_FRAME)
+ ref_fb_idx = cm->lst_fb_idx;
+ else if (ref_frame_flag == VP8_GOLD_FRAME)
+ ref_fb_idx = cm->gld_fb_idx;
+ else if (ref_frame_flag == VP8_ALTR_FRAME)
+ ref_fb_idx = cm->alt_fb_idx;
+ else
+ return -1;
+
+ vp8_yv12_copy_frame(sd, &cm->yv12_fb[ref_fb_idx]);
+
+ return 0;
+}
+int vp8_update_entropy(VP8_COMP *cpi, int update)
+{
+ VP8_COMMON *cm = &cpi->common;
+ cm->refresh_entropy_probs = update;
+
+ return 0;
+}
+
+
+#if defined(OUTPUT_YUV_SRC) || defined(OUTPUT_YUV_DENOISED)
+void vp8_write_yuv_frame(FILE *yuv_file, YV12_BUFFER_CONFIG *s)
+{
+ unsigned char *src = s->y_buffer;
+ int h = s->y_height;
+
+ do
+ {
+ fwrite(src, s->y_width, 1, yuv_file);
+ src += s->y_stride;
+ }
+ while (--h);
+
+ src = s->u_buffer;
+ h = s->uv_height;
+
+ do
+ {
+ fwrite(src, s->uv_width, 1, yuv_file);
+ src += s->uv_stride;
+ }
+ while (--h);
+
+ src = s->v_buffer;
+ h = s->uv_height;
+
+ do
+ {
+ fwrite(src, s->uv_width, 1, yuv_file);
+ src += s->uv_stride;
+ }
+ while (--h);
+}
+#endif
+
+static void scale_and_extend_source(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ /* are we resizing the image */
+ if (cm->horiz_scale != 0 || cm->vert_scale != 0)
+ {
+#if CONFIG_SPATIAL_RESAMPLING
+ int UNINITIALIZED_IS_SAFE(hr), UNINITIALIZED_IS_SAFE(hs);
+ int UNINITIALIZED_IS_SAFE(vr), UNINITIALIZED_IS_SAFE(vs);
+ int tmp_height;
+
+ if (cm->vert_scale == 3)
+ tmp_height = 9;
+ else
+ tmp_height = 11;
+
+ Scale2Ratio(cm->horiz_scale, &hr, &hs);
+ Scale2Ratio(cm->vert_scale, &vr, &vs);
+
+ vpx_scale_frame(sd, &cpi->scaled_source, cm->temp_scale_frame.y_buffer,
+ tmp_height, hs, hr, vs, vr, 0);
+
+ vp8_yv12_extend_frame_borders(&cpi->scaled_source);
+ cpi->Source = &cpi->scaled_source;
+#endif
+ }
+ else
+ cpi->Source = sd;
+}
+
+
+static int resize_key_frame(VP8_COMP *cpi)
+{
+#if CONFIG_SPATIAL_RESAMPLING
+ VP8_COMMON *cm = &cpi->common;
+
+ /* Do we need to apply resampling for one pass cbr.
+ * In one pass this is more limited than in two pass cbr.
+ * The test and any change is only made once per key frame sequence.
+ */
+ if (cpi->oxcf.allow_spatial_resampling && (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER))
+ {
+ int UNINITIALIZED_IS_SAFE(hr), UNINITIALIZED_IS_SAFE(hs);
+ int UNINITIALIZED_IS_SAFE(vr), UNINITIALIZED_IS_SAFE(vs);
+ int new_width, new_height;
+
+ /* If we are below the resample DOWN watermark then scale down a
+ * notch.
+ */
+ if (cpi->buffer_level < (cpi->oxcf.resample_down_water_mark * cpi->oxcf.optimal_buffer_level / 100))
+ {
+ cm->horiz_scale = (cm->horiz_scale < ONETWO) ? cm->horiz_scale + 1 : ONETWO;
+ cm->vert_scale = (cm->vert_scale < ONETWO) ? cm->vert_scale + 1 : ONETWO;
+ }
+ /* Should we now start scaling back up */
+ else if (cpi->buffer_level > (cpi->oxcf.resample_up_water_mark * cpi->oxcf.optimal_buffer_level / 100))
+ {
+ cm->horiz_scale = (cm->horiz_scale > NORMAL) ? cm->horiz_scale - 1 : NORMAL;
+ cm->vert_scale = (cm->vert_scale > NORMAL) ? cm->vert_scale - 1 : NORMAL;
+ }
+
+ /* Get the new height and width */
+ Scale2Ratio(cm->horiz_scale, &hr, &hs);
+ Scale2Ratio(cm->vert_scale, &vr, &vs);
+ new_width = ((hs - 1) + (cpi->oxcf.Width * hr)) / hs;
+ new_height = ((vs - 1) + (cpi->oxcf.Height * vr)) / vs;
+
+ /* If the image size has changed we need to reallocate the buffers
+ * and resample the source image
+ */
+ if ((cm->Width != new_width) || (cm->Height != new_height))
+ {
+ cm->Width = new_width;
+ cm->Height = new_height;
+ vp8_alloc_compressor_data(cpi);
+ scale_and_extend_source(cpi->un_scaled_source, cpi);
+ return 1;
+ }
+ }
+
+#endif
+ return 0;
+}
+
+
+static void update_alt_ref_frame_stats(VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ /* Select an interval before next GF or altref */
+ if (!cpi->auto_gold)
+ cpi->frames_till_gf_update_due = DEFAULT_GF_INTERVAL;
+
+ if ((cpi->pass != 2) && cpi->frames_till_gf_update_due)
+ {
+ cpi->current_gf_interval = cpi->frames_till_gf_update_due;
+
+ /* Set the bits per frame that we should try and recover in
+ * subsequent inter frames to account for the extra GF spend...
+ * note that his does not apply for GF updates that occur
+ * coincident with a key frame as the extra cost of key frames is
+ * dealt with elsewhere.
+ */
+ cpi->gf_overspend_bits += cpi->projected_frame_size;
+ cpi->non_gf_bitrate_adjustment = cpi->gf_overspend_bits / cpi->frames_till_gf_update_due;
+ }
+
+ /* Update data structure that monitors level of reference to last GF */
+ memset(cpi->gf_active_flags, 1, (cm->mb_rows * cm->mb_cols));
+ cpi->gf_active_count = cm->mb_rows * cm->mb_cols;
+
+ /* this frame refreshes means next frames don't unless specified by user */
+ cpi->frames_since_golden = 0;
+
+ /* Clear the alternate reference update pending flag. */
+ cpi->source_alt_ref_pending = 0;
+
+ /* Set the alternate reference frame active flag */
+ cpi->source_alt_ref_active = 1;
+
+
+}
+static void update_golden_frame_stats(VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ /* Update the Golden frame usage counts. */
+ if (cm->refresh_golden_frame)
+ {
+ /* Select an interval before next GF */
+ if (!cpi->auto_gold)
+ cpi->frames_till_gf_update_due = DEFAULT_GF_INTERVAL;
+
+ if ((cpi->pass != 2) && (cpi->frames_till_gf_update_due > 0))
+ {
+ cpi->current_gf_interval = cpi->frames_till_gf_update_due;
+
+ /* Set the bits per frame that we should try and recover in
+ * subsequent inter frames to account for the extra GF spend...
+ * note that his does not apply for GF updates that occur
+ * coincident with a key frame as the extra cost of key frames
+ * is dealt with elsewhere.
+ */
+ if ((cm->frame_type != KEY_FRAME) && !cpi->source_alt_ref_active)
+ {
+ /* Calcluate GF bits to be recovered
+ * Projected size - av frame bits available for inter
+ * frames for clip as a whole
+ */
+ cpi->gf_overspend_bits += (cpi->projected_frame_size - cpi->inter_frame_target);
+ }
+
+ cpi->non_gf_bitrate_adjustment = cpi->gf_overspend_bits / cpi->frames_till_gf_update_due;
+
+ }
+
+ /* Update data structure that monitors level of reference to last GF */
+ memset(cpi->gf_active_flags, 1, (cm->mb_rows * cm->mb_cols));
+ cpi->gf_active_count = cm->mb_rows * cm->mb_cols;
+
+ /* this frame refreshes means next frames don't unless specified by
+ * user
+ */
+ cm->refresh_golden_frame = 0;
+ cpi->frames_since_golden = 0;
+
+ cpi->recent_ref_frame_usage[INTRA_FRAME] = 1;
+ cpi->recent_ref_frame_usage[LAST_FRAME] = 1;
+ cpi->recent_ref_frame_usage[GOLDEN_FRAME] = 1;
+ cpi->recent_ref_frame_usage[ALTREF_FRAME] = 1;
+
+ /* ******** Fixed Q test code only ************ */
+ /* If we are going to use the ALT reference for the next group of
+ * frames set a flag to say so.
+ */
+ if (cpi->oxcf.fixed_q >= 0 &&
+ cpi->oxcf.play_alternate && !cpi->common.refresh_alt_ref_frame)
+ {
+ cpi->source_alt_ref_pending = 1;
+ cpi->frames_till_gf_update_due = cpi->baseline_gf_interval;
+ }
+
+ if (!cpi->source_alt_ref_pending)
+ cpi->source_alt_ref_active = 0;
+
+ /* Decrement count down till next gf */
+ if (cpi->frames_till_gf_update_due > 0)
+ cpi->frames_till_gf_update_due--;
+
+ }
+ else if (!cpi->common.refresh_alt_ref_frame)
+ {
+ /* Decrement count down till next gf */
+ if (cpi->frames_till_gf_update_due > 0)
+ cpi->frames_till_gf_update_due--;
+
+ if (cpi->frames_till_alt_ref_frame)
+ cpi->frames_till_alt_ref_frame --;
+
+ cpi->frames_since_golden ++;
+
+ if (cpi->frames_since_golden > 1)
+ {
+ cpi->recent_ref_frame_usage[INTRA_FRAME] +=
+ cpi->mb.count_mb_ref_frame_usage[INTRA_FRAME];
+ cpi->recent_ref_frame_usage[LAST_FRAME] +=
+ cpi->mb.count_mb_ref_frame_usage[LAST_FRAME];
+ cpi->recent_ref_frame_usage[GOLDEN_FRAME] +=
+ cpi->mb.count_mb_ref_frame_usage[GOLDEN_FRAME];
+ cpi->recent_ref_frame_usage[ALTREF_FRAME] +=
+ cpi->mb.count_mb_ref_frame_usage[ALTREF_FRAME];
+ }
+ }
+}
+
+/* This function updates the reference frame probability estimates that
+ * will be used during mode selection
+ */
+static void update_rd_ref_frame_probs(VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ const int *const rfct = cpi->mb.count_mb_ref_frame_usage;
+ const int rf_intra = rfct[INTRA_FRAME];
+ const int rf_inter = rfct[LAST_FRAME] + rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME];
+
+ if (cm->frame_type == KEY_FRAME)
+ {
+ cpi->prob_intra_coded = 255;
+ cpi->prob_last_coded = 128;
+ cpi->prob_gf_coded = 128;
+ }
+ else if (!(rf_intra + rf_inter))
+ {
+ cpi->prob_intra_coded = 63;
+ cpi->prob_last_coded = 128;
+ cpi->prob_gf_coded = 128;
+ }
+
+ /* update reference frame costs since we can do better than what we got
+ * last frame.
+ */
+ if (cpi->oxcf.number_of_layers == 1)
+ {
+ if (cpi->common.refresh_alt_ref_frame)
+ {
+ cpi->prob_intra_coded += 40;
+ if (cpi->prob_intra_coded > 255)
+ cpi->prob_intra_coded = 255;
+ cpi->prob_last_coded = 200;
+ cpi->prob_gf_coded = 1;
+ }
+ else if (cpi->frames_since_golden == 0)
+ {
+ cpi->prob_last_coded = 214;
+ }
+ else if (cpi->frames_since_golden == 1)
+ {
+ cpi->prob_last_coded = 192;
+ cpi->prob_gf_coded = 220;
+ }
+ else if (cpi->source_alt_ref_active)
+ {
+ cpi->prob_gf_coded -= 20;
+
+ if (cpi->prob_gf_coded < 10)
+ cpi->prob_gf_coded = 10;
+ }
+ if (!cpi->source_alt_ref_active)
+ cpi->prob_gf_coded = 255;
+ }
+}
+
+
+/* 1 = key, 0 = inter */
+static int decide_key_frame(VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = &cpi->common;
+
+ int code_key_frame = 0;
+
+ cpi->kf_boost = 0;
+
+ if (cpi->Speed > 11)
+ return 0;
+
+ /* Clear down mmx registers */
+ vp8_clear_system_state();
+
+ if ((cpi->compressor_speed == 2) && (cpi->Speed >= 5) && (cpi->sf.RD == 0))
+ {
+ double change = 1.0 * abs((int)(cpi->mb.intra_error -
+ cpi->last_intra_error)) / (1 + cpi->last_intra_error);
+ double change2 = 1.0 * abs((int)(cpi->mb.prediction_error -
+ cpi->last_prediction_error)) / (1 + cpi->last_prediction_error);
+ double minerror = cm->MBs * 256;
+
+ cpi->last_intra_error = cpi->mb.intra_error;
+ cpi->last_prediction_error = cpi->mb.prediction_error;
+
+ if (10 * cpi->mb.intra_error / (1 + cpi->mb.prediction_error) < 15
+ && cpi->mb.prediction_error > minerror
+ && (change > .25 || change2 > .25))
+ {
+ /*(change > 1.4 || change < .75)&& cpi->this_frame_percent_intra > cpi->last_frame_percent_intra + 3*/
+ return 1;
+ }
+
+ return 0;
+
+ }
+
+ /* If the following are true we might as well code a key frame */
+ if (((cpi->this_frame_percent_intra == 100) &&
+ (cpi->this_frame_percent_intra > (cpi->last_frame_percent_intra + 2))) ||
+ ((cpi->this_frame_percent_intra > 95) &&
+ (cpi->this_frame_percent_intra >= (cpi->last_frame_percent_intra + 5))))
+ {
+ code_key_frame = 1;
+ }
+ /* in addition if the following are true and this is not a golden frame
+ * then code a key frame Note that on golden frames there often seems
+ * to be a pop in intra useage anyway hence this restriction is
+ * designed to prevent spurious key frames. The Intra pop needs to be
+ * investigated.
+ */
+ else if (((cpi->this_frame_percent_intra > 60) &&
+ (cpi->this_frame_percent_intra > (cpi->last_frame_percent_intra * 2))) ||
+ ((cpi->this_frame_percent_intra > 75) &&
+ (cpi->this_frame_percent_intra > (cpi->last_frame_percent_intra * 3 / 2))) ||
+ ((cpi->this_frame_percent_intra > 90) &&
+ (cpi->this_frame_percent_intra > (cpi->last_frame_percent_intra + 10))))
+ {
+ if (!cm->refresh_golden_frame)
+ code_key_frame = 1;
+ }
+
+ return code_key_frame;
+
+}
+
+#if !(CONFIG_REALTIME_ONLY)
+static void Pass1Encode(VP8_COMP *cpi, unsigned long *size, unsigned char *dest, unsigned int *frame_flags)
+{
+ (void) size;
+ (void) dest;
+ (void) frame_flags;
+ vp8_set_quantizer(cpi, 26);
+
+ vp8_first_pass(cpi);
+}
+#endif
+
+#if 0
+void write_cx_frame_to_file(YV12_BUFFER_CONFIG *frame, int this_frame)
+{
+
+ /* write the frame */
+ FILE *yframe;
+ int i;
+ char filename[255];
+
+ sprintf(filename, "cx\\y%04d.raw", this_frame);
+ yframe = fopen(filename, "wb");
+
+ for (i = 0; i < frame->y_height; i++)
+ fwrite(frame->y_buffer + i * frame->y_stride, frame->y_width, 1, yframe);
+
+ fclose(yframe);
+ sprintf(filename, "cx\\u%04d.raw", this_frame);
+ yframe = fopen(filename, "wb");
+
+ for (i = 0; i < frame->uv_height; i++)
+ fwrite(frame->u_buffer + i * frame->uv_stride, frame->uv_width, 1, yframe);
+
+ fclose(yframe);
+ sprintf(filename, "cx\\v%04d.raw", this_frame);
+ yframe = fopen(filename, "wb");
+
+ for (i = 0; i < frame->uv_height; i++)
+ fwrite(frame->v_buffer + i * frame->uv_stride, frame->uv_width, 1, yframe);
+
+ fclose(yframe);
+}
+#endif
+/* return of 0 means drop frame */
+
+/* Function to test for conditions that indeicate we should loop
+ * back and recode a frame.
+ */
+static int recode_loop_test( VP8_COMP *cpi,
+ int high_limit, int low_limit,
+ int q, int maxq, int minq )
+{
+ int force_recode = 0;
+ VP8_COMMON *cm = &cpi->common;
+
+ /* Is frame recode allowed at all
+ * Yes if either recode mode 1 is selected or mode two is selcted
+ * and the frame is a key frame. golden frame or alt_ref_frame
+ */
+ if ( (cpi->sf.recode_loop == 1) ||
+ ( (cpi->sf.recode_loop == 2) &&
+ ( (cm->frame_type == KEY_FRAME) ||
+ cm->refresh_golden_frame ||
+ cm->refresh_alt_ref_frame ) ) )
+ {
+ /* General over and under shoot tests */
+ if ( ((cpi->projected_frame_size > high_limit) && (q < maxq)) ||
+ ((cpi->projected_frame_size < low_limit) && (q > minq)) )
+ {
+ force_recode = 1;
+ }
+ /* Special Constrained quality tests */
+ else if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY)
+ {
+ /* Undershoot and below auto cq level */
+ if ( (q > cpi->cq_target_quality) &&
+ (cpi->projected_frame_size <
+ ((cpi->this_frame_target * 7) >> 3)))
+ {
+ force_recode = 1;
+ }
+ /* Severe undershoot and between auto and user cq level */
+ else if ( (q > cpi->oxcf.cq_level) &&
+ (cpi->projected_frame_size < cpi->min_frame_bandwidth) &&
+ (cpi->active_best_quality > cpi->oxcf.cq_level))
+ {
+ force_recode = 1;
+ cpi->active_best_quality = cpi->oxcf.cq_level;
+ }
+ }
+ }
+
+ return force_recode;
+}
+
+static void update_reference_frames(VP8_COMP *cpi)
+{
+ VP8_COMMON *cm = &cpi->common;
+ YV12_BUFFER_CONFIG *yv12_fb = cm->yv12_fb;
+
+ /* At this point the new frame has been encoded.
+ * If any buffer copy / swapping is signaled it should be done here.
+ */
+
+ if (cm->frame_type == KEY_FRAME)
+ {
+ yv12_fb[cm->new_fb_idx].flags |= VP8_GOLD_FRAME | VP8_ALTR_FRAME ;
+
+ yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME;
+ yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME;
+
+ cm->alt_fb_idx = cm->gld_fb_idx = cm->new_fb_idx;
+
+ cpi->current_ref_frames[GOLDEN_FRAME] = cm->current_video_frame;
+ cpi->current_ref_frames[ALTREF_FRAME] = cm->current_video_frame;
+ }
+ else /* For non key frames */
+ {
+ if (cm->refresh_alt_ref_frame)
+ {
+ assert(!cm->copy_buffer_to_arf);
+
+ cm->yv12_fb[cm->new_fb_idx].flags |= VP8_ALTR_FRAME;
+ cm->yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME;
+ cm->alt_fb_idx = cm->new_fb_idx;
+
+ cpi->current_ref_frames[ALTREF_FRAME] = cm->current_video_frame;
+ }
+ else if (cm->copy_buffer_to_arf)
+ {
+ assert(!(cm->copy_buffer_to_arf & ~0x3));
+
+ if (cm->copy_buffer_to_arf == 1)
+ {
+ if(cm->alt_fb_idx != cm->lst_fb_idx)
+ {
+ yv12_fb[cm->lst_fb_idx].flags |= VP8_ALTR_FRAME;
+ yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME;
+ cm->alt_fb_idx = cm->lst_fb_idx;
+
+ cpi->current_ref_frames[ALTREF_FRAME] =
+ cpi->current_ref_frames[LAST_FRAME];
+ }
+ }
+ else /* if (cm->copy_buffer_to_arf == 2) */
+ {
+ if(cm->alt_fb_idx != cm->gld_fb_idx)
+ {
+ yv12_fb[cm->gld_fb_idx].flags |= VP8_ALTR_FRAME;
+ yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME;
+ cm->alt_fb_idx = cm->gld_fb_idx;
+
+ cpi->current_ref_frames[ALTREF_FRAME] =
+ cpi->current_ref_frames[GOLDEN_FRAME];
+ }
+ }
+ }
+
+ if (cm->refresh_golden_frame)
+ {
+ assert(!cm->copy_buffer_to_gf);
+
+ cm->yv12_fb[cm->new_fb_idx].flags |= VP8_GOLD_FRAME;
+ cm->yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME;
+ cm->gld_fb_idx = cm->new_fb_idx;
+
+ cpi->current_ref_frames[GOLDEN_FRAME] = cm->current_video_frame;
+ }
+ else if (cm->copy_buffer_to_gf)
+ {
+ assert(!(cm->copy_buffer_to_arf & ~0x3));
+
+ if (cm->copy_buffer_to_gf == 1)
+ {
+ if(cm->gld_fb_idx != cm->lst_fb_idx)
+ {
+ yv12_fb[cm->lst_fb_idx].flags |= VP8_GOLD_FRAME;
+ yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME;
+ cm->gld_fb_idx = cm->lst_fb_idx;
+
+ cpi->current_ref_frames[GOLDEN_FRAME] =
+ cpi->current_ref_frames[LAST_FRAME];
+ }
+ }
+ else /* if (cm->copy_buffer_to_gf == 2) */
+ {
+ if(cm->alt_fb_idx != cm->gld_fb_idx)
+ {
+ yv12_fb[cm->alt_fb_idx].flags |= VP8_GOLD_FRAME;
+ yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME;
+ cm->gld_fb_idx = cm->alt_fb_idx;
+
+ cpi->current_ref_frames[GOLDEN_FRAME] =
+ cpi->current_ref_frames[ALTREF_FRAME];
+ }
+ }
+ }
+ }
+
+ if (cm->refresh_last_frame)
+ {
+ cm->yv12_fb[cm->new_fb_idx].flags |= VP8_LAST_FRAME;
+ cm->yv12_fb[cm->lst_fb_idx].flags &= ~VP8_LAST_FRAME;
+ cm->lst_fb_idx = cm->new_fb_idx;
+
+ cpi->current_ref_frames[LAST_FRAME] = cm->current_video_frame;
+ }
+
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity)
+ {
+ /* we shouldn't have to keep multiple copies as we know in advance which
+ * buffer we should start - for now to get something up and running
+ * I've chosen to copy the buffers
+ */
+ if (cm->frame_type == KEY_FRAME)
+ {
+ int i;
+ for (i = LAST_FRAME; i < MAX_REF_FRAMES; ++i)
+ vp8_yv12_copy_frame(cpi->Source,
+ &cpi->denoiser.yv12_running_avg[i]);
+ }
+ else /* For non key frames */
+ {
+ vp8_yv12_extend_frame_borders(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME]);
+
+ if (cm->refresh_alt_ref_frame || cm->copy_buffer_to_arf)
+ {
+ vp8_yv12_copy_frame(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME],
+ &cpi->denoiser.yv12_running_avg[ALTREF_FRAME]);
+ }
+ if (cm->refresh_golden_frame || cm->copy_buffer_to_gf)
+ {
+ vp8_yv12_copy_frame(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME],
+ &cpi->denoiser.yv12_running_avg[GOLDEN_FRAME]);
+ }
+ if(cm->refresh_last_frame)
+ {
+ vp8_yv12_copy_frame(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME],
+ &cpi->denoiser.yv12_running_avg[LAST_FRAME]);
+ }
+ }
+ if (cpi->oxcf.noise_sensitivity == 4)
+ vp8_yv12_copy_frame(cpi->Source, &cpi->denoiser.yv12_last_source);
+
+ }
+#endif
+
+}
+
+static int measure_square_diff_partial(YV12_BUFFER_CONFIG *source,
+ YV12_BUFFER_CONFIG *dest,
+ VP8_COMP *cpi)
+ {
+ int i, j;
+ int Total = 0;
+ int num_blocks = 0;
+ int skip = 2;
+ int min_consec_zero_last = 10;
+ int tot_num_blocks = (source->y_height * source->y_width) >> 8;
+ unsigned char *src = source->y_buffer;
+ unsigned char *dst = dest->y_buffer;
+
+ /* Loop through the Y plane, every |skip| blocks along rows and colmumns,
+ * summing the square differences, and only for blocks that have been
+ * zero_last mode at least |x| frames in a row.
+ */
+ for (i = 0; i < source->y_height; i += 16 * skip)
+ {
+ int block_index_row = (i >> 4) * cpi->common.mb_cols;
+ for (j = 0; j < source->y_width; j += 16 * skip)
+ {
+ int index = block_index_row + (j >> 4);
+ if (cpi->consec_zero_last[index] >= min_consec_zero_last) {
+ unsigned int sse;
+ Total += vpx_mse16x16(src + j,
+ source->y_stride,
+ dst + j, dest->y_stride,
+ &sse);
+ num_blocks++;
+ }
+ }
+ src += 16 * skip * source->y_stride;
+ dst += 16 * skip * dest->y_stride;
+ }
+ // Only return non-zero if we have at least ~1/16 samples for estimate.
+ if (num_blocks > (tot_num_blocks >> 4)) {
+ return (Total / num_blocks);
+ } else {
+ return 0;
+ }
+ }
+
+#if CONFIG_TEMPORAL_DENOISING
+static void process_denoiser_mode_change(VP8_COMP *cpi) {
+ const VP8_COMMON *const cm = &cpi->common;
+ int i, j;
+ int total = 0;
+ int num_blocks = 0;
+ // Number of blocks skipped along row/column in computing the
+ // nmse (normalized mean square error) of source.
+ int skip = 2;
+ // Only select blocks for computing nmse that have been encoded
+ // as ZERO LAST min_consec_zero_last frames in a row.
+ // Scale with number of temporal layers.
+ int min_consec_zero_last = 12 / cpi->oxcf.number_of_layers;
+ // Decision is tested for changing the denoising mode every
+ // num_mode_change times this function is called. Note that this
+ // function called every 8 frames, so (8 * num_mode_change) is number
+ // of frames where denoising mode change is tested for switch.
+ int num_mode_change = 20;
+ // Framerate factor, to compensate for larger mse at lower framerates.
+ // Use ref_framerate, which is full source framerate for temporal layers.
+ // TODO(marpan): Adjust this factor.
+ int fac_framerate = cpi->ref_framerate < 25.0f ? 80 : 100;
+ int tot_num_blocks = cm->mb_rows * cm->mb_cols;
+ int ystride = cpi->Source->y_stride;
+ unsigned char *src = cpi->Source->y_buffer;
+ unsigned char *dst = cpi->denoiser.yv12_last_source.y_buffer;
+ static const unsigned char const_source[16] = {
+ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128};
+ int bandwidth = (int)(cpi->target_bandwidth);
+ // For temporal layers, use full bandwidth (top layer).
+ if (cpi->oxcf.number_of_layers > 1) {
+ LAYER_CONTEXT *lc = &cpi->layer_context[cpi->oxcf.number_of_layers - 1];
+ bandwidth = (int)(lc->target_bandwidth);
+ }
+ // Loop through the Y plane, every skip blocks along rows and columns,
+ // summing the normalized mean square error, only for blocks that have
+ // been encoded as ZEROMV LAST at least min_consec_zero_last least frames in
+ // a row and have small sum difference between current and previous frame.
+ // Normalization here is by the contrast of the current frame block.
+ for (i = 0; i < cm->Height; i += 16 * skip) {
+ int block_index_row = (i >> 4) * cm->mb_cols;
+ for (j = 0; j < cm->Width; j += 16 * skip) {
+ int index = block_index_row + (j >> 4);
+ if (cpi->consec_zero_last[index] >= min_consec_zero_last) {
+ unsigned int sse;
+ const unsigned int var = vpx_variance16x16(src + j,
+ ystride,
+ dst + j,
+ ystride,
+ &sse);
+ // Only consider this block as valid for noise measurement
+ // if the sum_diff average of the current and previous frame
+ // is small (to avoid effects from lighting change).
+ if ((sse - var) < 128) {
+ unsigned int sse2;
+ const unsigned int act = vpx_variance16x16(src + j,
+ ystride,
+ const_source,
+ 0,
+ &sse2);
+ if (act > 0)
+ total += sse / act;
+ num_blocks++;
+ }
+ }
+ }
+ src += 16 * skip * ystride;
+ dst += 16 * skip * ystride;
+ }
+ total = total * fac_framerate / 100;
+
+ // Only consider this frame as valid sample if we have computed nmse over
+ // at least ~1/16 blocks, and Total > 0 (Total == 0 can happen if the
+ // application inputs duplicate frames, or contrast is all zero).
+ if (total > 0 &&
+ (num_blocks > (tot_num_blocks >> 4))) {
+ // Update the recursive mean square source_diff.
+ total = (total << 8) / num_blocks;
+ if (cpi->denoiser.nmse_source_diff_count == 0) {
+ // First sample in new interval.
+ cpi->denoiser.nmse_source_diff = total;
+ cpi->denoiser.qp_avg = cm->base_qindex;
+ } else {
+ // For subsequent samples, use average with weight ~1/4 for new sample.
+ cpi->denoiser.nmse_source_diff = (int)((total +
+ 3 * cpi->denoiser.nmse_source_diff) >> 2);
+ cpi->denoiser.qp_avg = (int)((cm->base_qindex +
+ 3 * cpi->denoiser.qp_avg) >> 2);
+ }
+ cpi->denoiser.nmse_source_diff_count++;
+ }
+ // Check for changing the denoiser mode, when we have obtained #samples =
+ // num_mode_change. Condition the change also on the bitrate and QP.
+ if (cpi->denoiser.nmse_source_diff_count == num_mode_change) {
+ // Check for going up: from normal to aggressive mode.
+ if ((cpi->denoiser.denoiser_mode == kDenoiserOnYUV) &&
+ (cpi->denoiser.nmse_source_diff >
+ cpi->denoiser.threshold_aggressive_mode) &&
+ (cpi->denoiser.qp_avg < cpi->denoiser.qp_threshold_up &&
+ bandwidth > cpi->denoiser.bitrate_threshold)) {
+ vp8_denoiser_set_parameters(&cpi->denoiser, kDenoiserOnYUVAggressive);
+ } else {
+ // Check for going down: from aggressive to normal mode.
+ if (((cpi->denoiser.denoiser_mode == kDenoiserOnYUVAggressive) &&
+ (cpi->denoiser.nmse_source_diff <
+ cpi->denoiser.threshold_aggressive_mode)) ||
+ ((cpi->denoiser.denoiser_mode == kDenoiserOnYUVAggressive) &&
+ (cpi->denoiser.qp_avg > cpi->denoiser.qp_threshold_down ||
+ bandwidth < cpi->denoiser.bitrate_threshold))) {
+ vp8_denoiser_set_parameters(&cpi->denoiser, kDenoiserOnYUV);
+ }
+ }
+ // Reset metric and counter for next interval.
+ cpi->denoiser.nmse_source_diff = 0;
+ cpi->denoiser.qp_avg = 0;
+ cpi->denoiser.nmse_source_diff_count = 0;
+ }
+}
+#endif
+
+void vp8_loopfilter_frame(VP8_COMP *cpi, VP8_COMMON *cm)
+{
+ const FRAME_TYPE frame_type = cm->frame_type;
+
+ int update_any_ref_buffers = 1;
+ if (cpi->common.refresh_last_frame == 0 &&
+ cpi->common.refresh_golden_frame == 0 &&
+ cpi->common.refresh_alt_ref_frame == 0) {
+ update_any_ref_buffers = 0;
+ }
+
+ if (cm->no_lpf)
+ {
+ cm->filter_level = 0;
+ }
+ else
+ {
+ struct vpx_usec_timer timer;
+
+ vp8_clear_system_state();
+
+ vpx_usec_timer_start(&timer);
+ if (cpi->sf.auto_filter == 0) {
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity && cm->frame_type != KEY_FRAME) {
+ // Use the denoised buffer for selecting base loop filter level.
+ // Denoised signal for current frame is stored in INTRA_FRAME.
+ // No denoising on key frames.
+ vp8cx_pick_filter_level_fast(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME], cpi);
+ } else {
+ vp8cx_pick_filter_level_fast(cpi->Source, cpi);
+ }
+#else
+ vp8cx_pick_filter_level_fast(cpi->Source, cpi);
+#endif
+ } else {
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity && cm->frame_type != KEY_FRAME) {
+ // Use the denoised buffer for selecting base loop filter level.
+ // Denoised signal for current frame is stored in INTRA_FRAME.
+ // No denoising on key frames.
+ vp8cx_pick_filter_level(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME], cpi);
+ } else {
+ vp8cx_pick_filter_level(cpi->Source, cpi);
+ }
+#else
+ vp8cx_pick_filter_level(cpi->Source, cpi);
+#endif
+ }
+
+
+ if (cm->filter_level > 0)
+ {
+ vp8cx_set_alt_lf_level(cpi, cm->filter_level);
+ }
+
+ vpx_usec_timer_mark(&timer);
+ cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer);
+ }
+
+#if CONFIG_MULTITHREAD
+ if (cpi->b_multi_threaded)
+ sem_post(&cpi->h_event_end_lpf); /* signal that we have set filter_level */
+#endif
+
+ // No need to apply loop-filter if the encoded frame does not update
+ // any reference buffers.
+ if (cm->filter_level > 0 && update_any_ref_buffers)
+ {
+ vp8_loop_filter_frame(cm, &cpi->mb.e_mbd, frame_type);
+ }
+
+ vp8_yv12_extend_frame_borders(cm->frame_to_show);
+
+}
+
+static void encode_frame_to_data_rate
+(
+ VP8_COMP *cpi,
+ unsigned long *size,
+ unsigned char *dest,
+ unsigned char* dest_end,
+ unsigned int *frame_flags
+)
+{
+ int Q;
+ int frame_over_shoot_limit;
+ int frame_under_shoot_limit;
+
+ int Loop = 0;
+ int loop_count;
+
+ VP8_COMMON *cm = &cpi->common;
+ int active_worst_qchanged = 0;
+
+#if !(CONFIG_REALTIME_ONLY)
+ int q_low;
+ int q_high;
+ int zbin_oq_high;
+ int zbin_oq_low = 0;
+ int top_index;
+ int bottom_index;
+ int overshoot_seen = 0;
+ int undershoot_seen = 0;
+#endif
+
+ int drop_mark = (int)(cpi->oxcf.drop_frames_water_mark *
+ cpi->oxcf.optimal_buffer_level / 100);
+ int drop_mark75 = drop_mark * 2 / 3;
+ int drop_mark50 = drop_mark / 4;
+ int drop_mark25 = drop_mark / 8;
+
+
+ /* Clear down mmx registers to allow floating point in what follows */
+ vp8_clear_system_state();
+
+#if CONFIG_MULTITHREAD
+ /* wait for the last picture loopfilter thread done */
+ if (cpi->b_lpf_running)
+ {
+ sem_wait(&cpi->h_event_end_lpf);
+ cpi->b_lpf_running = 0;
+ }
+#endif
+
+ if(cpi->force_next_frame_intra)
+ {
+ cm->frame_type = KEY_FRAME; /* delayed intra frame */
+ cpi->force_next_frame_intra = 0;
+ }
+
+ /* For an alt ref frame in 2 pass we skip the call to the second pass
+ * function that sets the target bandwidth
+ */
+#if !(CONFIG_REALTIME_ONLY)
+
+ if (cpi->pass == 2)
+ {
+ if (cpi->common.refresh_alt_ref_frame)
+ {
+ /* Per frame bit target for the alt ref frame */
+ cpi->per_frame_bandwidth = cpi->twopass.gf_bits;
+ /* per second target bitrate */
+ cpi->target_bandwidth = (int)(cpi->twopass.gf_bits *
+ cpi->output_framerate);
+ }
+ }
+ else
+#endif
+ cpi->per_frame_bandwidth = (int)(cpi->target_bandwidth / cpi->output_framerate);
+
+ /* Default turn off buffer to buffer copying */
+ cm->copy_buffer_to_gf = 0;
+ cm->copy_buffer_to_arf = 0;
+
+ /* Clear zbin over-quant value and mode boost values. */
+ cpi->mb.zbin_over_quant = 0;
+ cpi->mb.zbin_mode_boost = 0;
+
+ /* Enable or disable mode based tweaking of the zbin
+ * For 2 Pass Only used where GF/ARF prediction quality
+ * is above a threshold
+ */
+ cpi->mb.zbin_mode_boost_enabled = 1;
+ if (cpi->pass == 2)
+ {
+ if ( cpi->gfu_boost <= 400 )
+ {
+ cpi->mb.zbin_mode_boost_enabled = 0;
+ }
+ }
+
+ /* Current default encoder behaviour for the altref sign bias */
+ if (cpi->source_alt_ref_active)
+ cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 1;
+ else
+ cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 0;
+
+ /* Check to see if a key frame is signaled
+ * For two pass with auto key frame enabled cm->frame_type may already
+ * be set, but not for one pass.
+ */
+ if ((cm->current_video_frame == 0) ||
+ (cm->frame_flags & FRAMEFLAGS_KEY) ||
+ (cpi->oxcf.auto_key && (cpi->frames_since_key % cpi->key_frame_frequency == 0)))
+ {
+ /* Key frame from VFW/auto-keyframe/first frame */
+ cm->frame_type = KEY_FRAME;
+#if CONFIG_TEMPORAL_DENOISING
+ if (cpi->oxcf.noise_sensitivity == 4) {
+ // For adaptive mode, reset denoiser to normal mode on key frame.
+ vp8_denoiser_set_parameters(&cpi->denoiser, kDenoiserOnYUV);
+ }
+#endif
+ }
+
+#if CONFIG_MULTI_RES_ENCODING
+ if (cpi->oxcf.mr_total_resolutions > 1) {
+ LOWER_RES_FRAME_INFO* low_res_frame_info
+ = (LOWER_RES_FRAME_INFO*)cpi->oxcf.mr_low_res_mode_info;
+
+ if (cpi->oxcf.mr_encoder_id) {
+
+ // TODO(marpan): This constraint shouldn't be needed, as we would like
+ // to allow for key frame setting (forced or periodic) defined per
+ // spatial layer. For now, keep this in.
+ cm->frame_type = low_res_frame_info->frame_type;
+
+ // Check if lower resolution is available for motion vector reuse.
+ if(cm->frame_type != KEY_FRAME)
+ {
+ cpi->mr_low_res_mv_avail = 1;
+ cpi->mr_low_res_mv_avail &= !(low_res_frame_info->is_frame_dropped);
+
+ if (cpi->ref_frame_flags & VP8_LAST_FRAME)
+ cpi->mr_low_res_mv_avail &= (cpi->current_ref_frames[LAST_FRAME]
+ == low_res_frame_info->low_res_ref_frames[LAST_FRAME]);
+
+ if (cpi->ref_frame_flags & VP8_GOLD_FRAME)
+ cpi->mr_low_res_mv_avail &= (cpi->current_ref_frames[GOLDEN_FRAME]
+ == low_res_frame_info->low_res_ref_frames[GOLDEN_FRAME]);
+
+ // Don't use altref to determine whether low res is available.
+ // TODO (marpan): Should we make this type of condition on a
+ // per-reference frame basis?
+ /*
+ if (cpi->ref_frame_flags & VP8_ALTR_FRAME)
+ cpi->mr_low_res_mv_avail &= (cpi->current_ref_frames[ALTREF_FRAME]
+ == low_res_frame_info->low_res_ref_frames[ALTREF_FRAME]);
+ */
+ }
+ }
+
+ // On a key frame: For the lowest resolution, keep track of the key frame
+ // counter value. For the higher resolutions, reset the current video
+ // frame counter to that of the lowest resolution.
+ // This is done to the handle the case where we may stop/start encoding
+ // higher layer(s). The restart-encoding of higher layer is only signaled
+ // by a key frame for now.
+ // TODO (marpan): Add flag to indicate restart-encoding of higher layer.
+ if (cm->frame_type == KEY_FRAME) {
+ if (cpi->oxcf.mr_encoder_id) {
+ // If the initial starting value of the buffer level is zero (this can
+ // happen because we may have not started encoding this higher stream),
+ // then reset it to non-zero value based on |starting_buffer_level|.
+ if (cpi->common.current_video_frame == 0 && cpi->buffer_level == 0) {
+ unsigned int i;
+ cpi->bits_off_target = cpi->oxcf.starting_buffer_level;
+ cpi->buffer_level = cpi->oxcf.starting_buffer_level;
+ for (i = 0; i < cpi->oxcf.number_of_layers; i++) {
+ LAYER_CONTEXT *lc = &cpi->layer_context[i];
+ lc->bits_off_target = lc->starting_buffer_level;
+ lc->buffer_level = lc->starting_buffer_level;
+ }
+ }
+ cpi->common.current_video_frame =
+ low_res_frame_info->key_frame_counter_value;
+ } else {
+ low_res_frame_info->key_frame_counter_value =
+ cpi->common.current_video_frame;
+ }
+ }
+
+ }
+#endif
+
+ // Find the reference frame closest to the current frame.
+ cpi->closest_reference_frame = LAST_FRAME;
+ if(cm->frame_type != KEY_FRAME) {
+ int i;
+ MV_REFERENCE_FRAME closest_ref = INTRA_FRAME;
+ if (cpi->ref_frame_flags & VP8_LAST_FRAME) {
+ closest_ref = LAST_FRAME;
+ } else if (cpi->ref_frame_flags & VP8_GOLD_FRAME) {
+ closest_ref = GOLDEN_FRAME;
+ } else if (cpi->ref_frame_flags & VP8_ALTR_FRAME) {
+ closest_ref = ALTREF_FRAME;
+ }
+ for(i = 1; i <= 3; i++) {
+ vpx_ref_frame_type_t ref_frame_type = (vpx_ref_frame_type_t)
+ ((i == 3) ? 4 : i);
+ if (cpi->ref_frame_flags & ref_frame_type) {
+ if ((cm->current_video_frame - cpi->current_ref_frames[i]) <
+ (cm->current_video_frame - cpi->current_ref_frames[closest_ref])) {
+ closest_ref = i;
+ }
+ }
+ }
+ cpi->closest_reference_frame = closest_ref;
+ }
+
+ /* Set various flags etc to special state if it is a key frame */
+ if (cm->frame_type == KEY_FRAME)
+ {
+ int i;
+
+ // Set the loop filter deltas and segmentation map update
+ setup_features(cpi);
+
+ /* The alternate reference frame cannot be active for a key frame */
+ cpi->source_alt_ref_active = 0;
+
+ /* Reset the RD threshold multipliers to default of * 1 (128) */
+ for (i = 0; i < MAX_MODES; i++)
+ {
+ cpi->mb.rd_thresh_mult[i] = 128;
+ }
+
+ // Reset the zero_last counter to 0 on key frame.
+ memset(cpi->consec_zero_last, 0, cm->mb_rows * cm->mb_cols);
+ memset(cpi->consec_zero_last_mvbias, 0,
+ (cpi->common.mb_rows * cpi->common.mb_cols));
+ }
+
+#if 0
+ /* Experimental code for lagged compress and one pass
+ * Initialise one_pass GF frames stats
+ * Update stats used for GF selection
+ */
+ {
+ cpi->one_pass_frame_index = cm->current_video_frame % MAX_LAG_BUFFERS;
+
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frames_so_far = 0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_intra_error = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_coded_error = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_pcnt_inter = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_pcnt_motion = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvr = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvr_abs = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvc = 0.0;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvc_abs = 0.0;
+ }
+#endif
+
+ update_rd_ref_frame_probs(cpi);
+
+ if (cpi->drop_frames_allowed)
+ {
+ /* The reset to decimation 0 is only done here for one pass.
+ * Once it is set two pass leaves decimation on till the next kf.
+ */
+ if ((cpi->buffer_level > drop_mark) && (cpi->decimation_factor > 0))
+ cpi->decimation_factor --;
+
+ if (cpi->buffer_level > drop_mark75 && cpi->decimation_factor > 0)
+ cpi->decimation_factor = 1;
+
+ else if (cpi->buffer_level < drop_mark25 && (cpi->decimation_factor == 2 || cpi->decimation_factor == 3))
+ {
+ cpi->decimation_factor = 3;
+ }
+ else if (cpi->buffer_level < drop_mark50 && (cpi->decimation_factor == 1 || cpi->decimation_factor == 2))
+ {
+ cpi->decimation_factor = 2;
+ }
+ else if (cpi->buffer_level < drop_mark75 && (cpi->decimation_factor == 0 || cpi->decimation_factor == 1))
+ {
+ cpi->decimation_factor = 1;
+ }
+ }
+
+ /* The following decimates the frame rate according to a regular
+ * pattern (i.e. to 1/2 or 2/3 frame rate) This can be used to help
+ * prevent buffer under-run in CBR mode. Alternatively it might be
+ * desirable in some situations to drop frame rate but throw more bits
+ * at each frame.
+ *
+ * Note that dropping a key frame can be problematic if spatial
+ * resampling is also active
+ */
+ if (cpi->decimation_factor > 0)
+ {
+ switch (cpi->decimation_factor)
+ {
+ case 1:
+ cpi->per_frame_bandwidth = cpi->per_frame_bandwidth * 3 / 2;
+ break;
+ case 2:
+ cpi->per_frame_bandwidth = cpi->per_frame_bandwidth * 5 / 4;
+ break;
+ case 3:
+ cpi->per_frame_bandwidth = cpi->per_frame_bandwidth * 5 / 4;
+ break;
+ }
+
+ /* Note that we should not throw out a key frame (especially when
+ * spatial resampling is enabled).
+ */
+ if (cm->frame_type == KEY_FRAME)
+ {
+ cpi->decimation_count = cpi->decimation_factor;
+ }
+ else if (cpi->decimation_count > 0)
+ {
+ cpi->decimation_count --;
+
+ cpi->bits_off_target += cpi->av_per_frame_bandwidth;
+ if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size)
+ cpi->bits_off_target = cpi->oxcf.maximum_buffer_size;
+
+#if CONFIG_MULTI_RES_ENCODING
+ vp8_store_drop_frame_info(cpi);
+#endif
+
+ cm->current_video_frame++;
+ cpi->frames_since_key++;
+ // We advance the temporal pattern for dropped frames.
+ cpi->temporal_pattern_counter++;
+
+#if CONFIG_INTERNAL_STATS
+ cpi->count ++;
+#endif
+
+ cpi->buffer_level = cpi->bits_off_target;
+
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+
+ /* Propagate bits saved by dropping the frame to higher
+ * layers
+ */
+ for (i=cpi->current_layer+1; i<cpi->oxcf.number_of_layers; i++)
+ {
+ LAYER_CONTEXT *lc = &cpi->layer_context[i];
+ lc->bits_off_target += (int)(lc->target_bandwidth /
+ lc->framerate);
+ if (lc->bits_off_target > lc->maximum_buffer_size)
+ lc->bits_off_target = lc->maximum_buffer_size;
+ lc->buffer_level = lc->bits_off_target;
+ }
+ }
+
+ return;
+ }
+ else
+ cpi->decimation_count = cpi->decimation_factor;
+ }
+ else
+ cpi->decimation_count = 0;
+
+ /* Decide how big to make the frame */
+ if (!vp8_pick_frame_size(cpi))
+ {
+ /*TODO: 2 drop_frame and return code could be put together. */
+#if CONFIG_MULTI_RES_ENCODING
+ vp8_store_drop_frame_info(cpi);
+#endif
+ cm->current_video_frame++;
+ cpi->frames_since_key++;
+ // We advance the temporal pattern for dropped frames.
+ cpi->temporal_pattern_counter++;
+ return;
+ }
+
+ /* Reduce active_worst_allowed_q for CBR if our buffer is getting too full.
+ * This has a knock on effect on active best quality as well.
+ * For CBR if the buffer reaches its maximum level then we can no longer
+ * save up bits for later frames so we might as well use them up
+ * on the current frame.
+ */
+ if ((cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) &&
+ (cpi->buffer_level >= cpi->oxcf.optimal_buffer_level) && cpi->buffered_mode)
+ {
+ /* Max adjustment is 1/4 */
+ int Adjustment = cpi->active_worst_quality / 4;
+
+ if (Adjustment)
+ {
+ int buff_lvl_step;
+
+ if (cpi->buffer_level < cpi->oxcf.maximum_buffer_size)
+ {
+ buff_lvl_step = (int)
+ ((cpi->oxcf.maximum_buffer_size -
+ cpi->oxcf.optimal_buffer_level) /
+ Adjustment);
+
+ if (buff_lvl_step)
+ Adjustment = (int)
+ ((cpi->buffer_level -
+ cpi->oxcf.optimal_buffer_level) /
+ buff_lvl_step);
+ else
+ Adjustment = 0;
+ }
+
+ cpi->active_worst_quality -= Adjustment;
+
+ if(cpi->active_worst_quality < cpi->active_best_quality)
+ cpi->active_worst_quality = cpi->active_best_quality;
+ }
+ }
+
+ /* Set an active best quality and if necessary active worst quality
+ * There is some odd behavior for one pass here that needs attention.
+ */
+ if ( (cpi->pass == 2) || (cpi->ni_frames > 150))
+ {
+ vp8_clear_system_state();
+
+ Q = cpi->active_worst_quality;
+
+ if ( cm->frame_type == KEY_FRAME )
+ {
+ if ( cpi->pass == 2 )
+ {
+ if (cpi->gfu_boost > 600)
+ cpi->active_best_quality = kf_low_motion_minq[Q];
+ else
+ cpi->active_best_quality = kf_high_motion_minq[Q];
+
+ /* Special case for key frames forced because we have reached
+ * the maximum key frame interval. Here force the Q to a range
+ * based on the ambient Q to reduce the risk of popping
+ */
+ if ( cpi->this_key_frame_forced )
+ {
+ if ( cpi->active_best_quality > cpi->avg_frame_qindex * 7/8)
+ cpi->active_best_quality = cpi->avg_frame_qindex * 7/8;
+ else if ( cpi->active_best_quality < cpi->avg_frame_qindex >> 2 )
+ cpi->active_best_quality = cpi->avg_frame_qindex >> 2;
+ }
+ }
+ /* One pass more conservative */
+ else
+ cpi->active_best_quality = kf_high_motion_minq[Q];
+ }
+
+ else if (cpi->oxcf.number_of_layers==1 &&
+ (cm->refresh_golden_frame || cpi->common.refresh_alt_ref_frame))
+ {
+ /* Use the lower of cpi->active_worst_quality and recent
+ * average Q as basis for GF/ARF Q limit unless last frame was
+ * a key frame.
+ */
+ if ( (cpi->frames_since_key > 1) &&
+ (cpi->avg_frame_qindex < cpi->active_worst_quality) )
+ {
+ Q = cpi->avg_frame_qindex;
+ }
+
+ /* For constrained quality dont allow Q less than the cq level */
+ if ( (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) &&
+ (Q < cpi->cq_target_quality) )
+ {
+ Q = cpi->cq_target_quality;
+ }
+
+ if ( cpi->pass == 2 )
+ {
+ if ( cpi->gfu_boost > 1000 )
+ cpi->active_best_quality = gf_low_motion_minq[Q];
+ else if ( cpi->gfu_boost < 400 )
+ cpi->active_best_quality = gf_high_motion_minq[Q];
+ else
+ cpi->active_best_quality = gf_mid_motion_minq[Q];
+
+ /* Constrained quality use slightly lower active best. */
+ if ( cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY )
+ {
+ cpi->active_best_quality =
+ cpi->active_best_quality * 15/16;
+ }
+ }
+ /* One pass more conservative */
+ else
+ cpi->active_best_quality = gf_high_motion_minq[Q];
+ }
+ else
+ {
+ cpi->active_best_quality = inter_minq[Q];
+
+ /* For the constant/constrained quality mode we dont want
+ * q to fall below the cq level.
+ */
+ if ((cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) &&
+ (cpi->active_best_quality < cpi->cq_target_quality) )
+ {
+ /* If we are strongly undershooting the target rate in the last
+ * frames then use the user passed in cq value not the auto
+ * cq value.
+ */
+ if ( cpi->rolling_actual_bits < cpi->min_frame_bandwidth )
+ cpi->active_best_quality = cpi->oxcf.cq_level;
+ else
+ cpi->active_best_quality = cpi->cq_target_quality;
+ }
+ }
+
+ /* If CBR and the buffer is as full then it is reasonable to allow
+ * higher quality on the frames to prevent bits just going to waste.
+ */
+ if (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER)
+ {
+ /* Note that the use of >= here elliminates the risk of a devide
+ * by 0 error in the else if clause
+ */
+ if (cpi->buffer_level >= cpi->oxcf.maximum_buffer_size)
+ cpi->active_best_quality = cpi->best_quality;
+
+ else if (cpi->buffer_level > cpi->oxcf.optimal_buffer_level)
+ {
+ int Fraction = (int)
+ (((cpi->buffer_level - cpi->oxcf.optimal_buffer_level) * 128)
+ / (cpi->oxcf.maximum_buffer_size -
+ cpi->oxcf.optimal_buffer_level));
+ int min_qadjustment = ((cpi->active_best_quality -
+ cpi->best_quality) * Fraction) / 128;
+
+ cpi->active_best_quality -= min_qadjustment;
+ }
+ }
+ }
+ /* Make sure constrained quality mode limits are adhered to for the first
+ * few frames of one pass encodes
+ */
+ else if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY)
+ {
+ if ( (cm->frame_type == KEY_FRAME) ||
+ cm->refresh_golden_frame || cpi->common.refresh_alt_ref_frame )
+ {
+ cpi->active_best_quality = cpi->best_quality;
+ }
+ else if (cpi->active_best_quality < cpi->cq_target_quality)
+ {
+ cpi->active_best_quality = cpi->cq_target_quality;
+ }
+ }
+
+ /* Clip the active best and worst quality values to limits */
+ if (cpi->active_worst_quality > cpi->worst_quality)
+ cpi->active_worst_quality = cpi->worst_quality;
+
+ if (cpi->active_best_quality < cpi->best_quality)
+ cpi->active_best_quality = cpi->best_quality;
+
+ if ( cpi->active_worst_quality < cpi->active_best_quality )
+ cpi->active_worst_quality = cpi->active_best_quality;
+
+ /* Determine initial Q to try */
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+
+#if !(CONFIG_REALTIME_ONLY)
+
+ /* Set highest allowed value for Zbin over quant */
+ if (cm->frame_type == KEY_FRAME)
+ zbin_oq_high = 0;
+ else if ((cpi->oxcf.number_of_layers == 1) && ((cm->refresh_alt_ref_frame ||
+ (cm->refresh_golden_frame && !cpi->source_alt_ref_active))))
+ {
+ zbin_oq_high = 16;
+ }
+ else
+ zbin_oq_high = ZBIN_OQ_MAX;
+#endif
+
+ /* Setup background Q adjustment for error resilient mode.
+ * For multi-layer encodes only enable this for the base layer.
+ */
+ if (cpi->cyclic_refresh_mode_enabled)
+ {
+ // Special case for screen_content_mode with golden frame updates.
+ int disable_cr_gf = (cpi->oxcf.screen_content_mode == 2 &&
+ cm->refresh_golden_frame);
+ if (cpi->current_layer == 0 && cpi->force_maxqp == 0 && !disable_cr_gf)
+ cyclic_background_refresh(cpi, Q, 0);
+ else
+ disable_segmentation(cpi);
+ }
+
+ vp8_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, &frame_over_shoot_limit);
+
+#if !(CONFIG_REALTIME_ONLY)
+ /* Limit Q range for the adaptive loop. */
+ bottom_index = cpi->active_best_quality;
+ top_index = cpi->active_worst_quality;
+ q_low = cpi->active_best_quality;
+ q_high = cpi->active_worst_quality;
+#endif
+
+ vp8_save_coding_context(cpi);
+
+ loop_count = 0;
+
+ scale_and_extend_source(cpi->un_scaled_source, cpi);
+
+#if CONFIG_TEMPORAL_DENOISING && CONFIG_POSTPROC
+ // Option to apply spatial blur under the aggressive or adaptive
+ // (temporal denoising) mode.
+ if (cpi->oxcf.noise_sensitivity >= 3) {
+ if (cpi->denoiser.denoise_pars.spatial_blur != 0) {
+ vp8_de_noise(cm, cpi->Source, cpi->Source,
+ cpi->denoiser.denoise_pars.spatial_blur, 1, 0, 0);
+ }
+ }
+#endif
+
+#if !(CONFIG_REALTIME_ONLY) && CONFIG_POSTPROC && !(CONFIG_TEMPORAL_DENOISING)
+
+ if (cpi->oxcf.noise_sensitivity > 0)
+ {
+ unsigned char *src;
+ int l = 0;
+
+ switch (cpi->oxcf.noise_sensitivity)
+ {
+ case 1:
+ l = 20;
+ break;
+ case 2:
+ l = 40;
+ break;
+ case 3:
+ l = 60;
+ break;
+ case 4:
+ l = 80;
+ break;
+ case 5:
+ l = 100;
+ break;
+ case 6:
+ l = 150;
+ break;
+ }
+
+
+ if (cm->frame_type == KEY_FRAME)
+ {
+ vp8_de_noise(cm, cpi->Source, cpi->Source, l , 1, 0, 1);
+ }
+ else
+ {
+ vp8_de_noise(cm, cpi->Source, cpi->Source, l , 1, 0, 1);
+
+ src = cpi->Source->y_buffer;
+
+ if (cpi->Source->y_stride < 0)
+ {
+ src += cpi->Source->y_stride * (cpi->Source->y_height - 1);
+ }
+ }
+ }
+
+#endif
+
+
+#ifdef OUTPUT_YUV_SRC
+ vp8_write_yuv_frame(yuv_file, cpi->Source);
+#endif
+
+ do
+ {
+ vp8_clear_system_state();
+
+ vp8_set_quantizer(cpi, Q);
+
+ /* setup skip prob for costing in mode/mv decision */
+ if (cpi->common.mb_no_coeff_skip)
+ {
+ cpi->prob_skip_false = cpi->base_skip_false_prob[Q];
+
+ if (cm->frame_type != KEY_FRAME)
+ {
+ if (cpi->common.refresh_alt_ref_frame)
+ {
+ if (cpi->last_skip_false_probs[2] != 0)
+ cpi->prob_skip_false = cpi->last_skip_false_probs[2];
+
+ /*
+ if(cpi->last_skip_false_probs[2]!=0 && abs(Q- cpi->last_skip_probs_q[2])<=16 )
+ cpi->prob_skip_false = cpi->last_skip_false_probs[2];
+ else if (cpi->last_skip_false_probs[2]!=0)
+ cpi->prob_skip_false = (cpi->last_skip_false_probs[2] + cpi->prob_skip_false ) / 2;
+ */
+ }
+ else if (cpi->common.refresh_golden_frame)
+ {
+ if (cpi->last_skip_false_probs[1] != 0)
+ cpi->prob_skip_false = cpi->last_skip_false_probs[1];
+
+ /*
+ if(cpi->last_skip_false_probs[1]!=0 && abs(Q- cpi->last_skip_probs_q[1])<=16 )
+ cpi->prob_skip_false = cpi->last_skip_false_probs[1];
+ else if (cpi->last_skip_false_probs[1]!=0)
+ cpi->prob_skip_false = (cpi->last_skip_false_probs[1] + cpi->prob_skip_false ) / 2;
+ */
+ }
+ else
+ {
+ if (cpi->last_skip_false_probs[0] != 0)
+ cpi->prob_skip_false = cpi->last_skip_false_probs[0];
+
+ /*
+ if(cpi->last_skip_false_probs[0]!=0 && abs(Q- cpi->last_skip_probs_q[0])<=16 )
+ cpi->prob_skip_false = cpi->last_skip_false_probs[0];
+ else if(cpi->last_skip_false_probs[0]!=0)
+ cpi->prob_skip_false = (cpi->last_skip_false_probs[0] + cpi->prob_skip_false ) / 2;
+ */
+ }
+
+ /* as this is for cost estimate, let's make sure it does not
+ * go extreme eitehr way
+ */
+ if (cpi->prob_skip_false < 5)
+ cpi->prob_skip_false = 5;
+
+ if (cpi->prob_skip_false > 250)
+ cpi->prob_skip_false = 250;
+
+ if (cpi->oxcf.number_of_layers == 1 && cpi->is_src_frame_alt_ref)
+ cpi->prob_skip_false = 1;
+ }
+
+#if 0
+
+ if (cpi->pass != 1)
+ {
+ FILE *f = fopen("skip.stt", "a");
+ fprintf(f, "%d, %d, %4d ", cpi->common.refresh_golden_frame, cpi->common.refresh_alt_ref_frame, cpi->prob_skip_false);
+ fclose(f);
+ }
+
+#endif
+
+ }
+
+ if (cm->frame_type == KEY_FRAME)
+ {
+ if(resize_key_frame(cpi))
+ {
+ /* If the frame size has changed, need to reset Q, quantizer,
+ * and background refresh.
+ */
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+ if (cpi->cyclic_refresh_mode_enabled)
+ {
+ if (cpi->current_layer==0)
+ cyclic_background_refresh(cpi, Q, 0);
+ else
+ disable_segmentation(cpi);
+ }
+ // Reset the zero_last counter to 0 on key frame.
+ memset(cpi->consec_zero_last, 0, cm->mb_rows * cm->mb_cols);
+ memset(cpi->consec_zero_last_mvbias, 0,
+ (cpi->common.mb_rows * cpi->common.mb_cols));
+ vp8_set_quantizer(cpi, Q);
+ }
+
+ vp8_setup_key_frame(cpi);
+ }
+
+
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ {
+ if(cpi->oxcf.error_resilient_mode)
+ cm->refresh_entropy_probs = 0;
+
+ if (cpi->oxcf.error_resilient_mode & VPX_ERROR_RESILIENT_PARTITIONS)
+ {
+ if (cm->frame_type == KEY_FRAME)
+ cm->refresh_entropy_probs = 1;
+ }
+
+ if (cm->refresh_entropy_probs == 0)
+ {
+ /* save a copy for later refresh */
+ memcpy(&cm->lfc, &cm->fc, sizeof(cm->fc));
+ }
+
+ vp8_update_coef_context(cpi);
+
+ vp8_update_coef_probs(cpi);
+
+ /* transform / motion compensation build reconstruction frame
+ * +pack coef partitions
+ */
+ vp8_encode_frame(cpi);
+
+ /* cpi->projected_frame_size is not needed for RT mode */
+ }
+#else
+ /* transform / motion compensation build reconstruction frame */
+ vp8_encode_frame(cpi);
+
+ if (cpi->oxcf.screen_content_mode == 2) {
+ if (vp8_drop_encodedframe_overshoot(cpi, Q))
+ return;
+ }
+
+ cpi->projected_frame_size -= vp8_estimate_entropy_savings(cpi);
+ cpi->projected_frame_size = (cpi->projected_frame_size > 0) ? cpi->projected_frame_size : 0;
+#endif
+ vp8_clear_system_state();
+
+ /* Test to see if the stats generated for this frame indicate that
+ * we should have coded a key frame (assuming that we didn't)!
+ */
+
+ if (cpi->pass != 2 && cpi->oxcf.auto_key && cm->frame_type != KEY_FRAME
+ && cpi->compressor_speed != 2)
+ {
+#if !(CONFIG_REALTIME_ONLY)
+ if (decide_key_frame(cpi))
+ {
+ /* Reset all our sizing numbers and recode */
+ cm->frame_type = KEY_FRAME;
+
+ vp8_pick_frame_size(cpi);
+
+ /* Clear the Alt reference frame active flag when we have
+ * a key frame
+ */
+ cpi->source_alt_ref_active = 0;
+
+ // Set the loop filter deltas and segmentation map update
+ setup_features(cpi);
+
+ vp8_restore_coding_context(cpi);
+
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+
+ vp8_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, &frame_over_shoot_limit);
+
+ /* Limit Q range for the adaptive loop. */
+ bottom_index = cpi->active_best_quality;
+ top_index = cpi->active_worst_quality;
+ q_low = cpi->active_best_quality;
+ q_high = cpi->active_worst_quality;
+
+ loop_count++;
+ Loop = 1;
+
+ continue;
+ }
+#endif
+ }
+
+ vp8_clear_system_state();
+
+ if (frame_over_shoot_limit == 0)
+ frame_over_shoot_limit = 1;
+
+ /* Are we are overshooting and up against the limit of active max Q. */
+ if (((cpi->pass != 2) || (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER)) &&
+ (Q == cpi->active_worst_quality) &&
+ (cpi->active_worst_quality < cpi->worst_quality) &&
+ (cpi->projected_frame_size > frame_over_shoot_limit))
+ {
+ int over_size_percent = ((cpi->projected_frame_size - frame_over_shoot_limit) * 100) / frame_over_shoot_limit;
+
+ /* If so is there any scope for relaxing it */
+ while ((cpi->active_worst_quality < cpi->worst_quality) && (over_size_percent > 0))
+ {
+ cpi->active_worst_quality++;
+ /* Assume 1 qstep = about 4% on frame size. */
+ over_size_percent = (int)(over_size_percent * 0.96);
+ }
+#if !(CONFIG_REALTIME_ONLY)
+ top_index = cpi->active_worst_quality;
+#endif
+ /* If we have updated the active max Q do not call
+ * vp8_update_rate_correction_factors() this loop.
+ */
+ active_worst_qchanged = 1;
+ }
+ else
+ active_worst_qchanged = 0;
+
+#if !(CONFIG_REALTIME_ONLY)
+ /* Special case handling for forced key frames */
+ if ( (cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced )
+ {
+ int last_q = Q;
+ int kf_err = vp8_calc_ss_err(cpi->Source,
+ &cm->yv12_fb[cm->new_fb_idx]);
+
+ /* The key frame is not good enough */
+ if ( kf_err > ((cpi->ambient_err * 7) >> 3) )
+ {
+ /* Lower q_high */
+ q_high = (Q > q_low) ? (Q - 1) : q_low;
+
+ /* Adjust Q */
+ Q = (q_high + q_low) >> 1;
+ }
+ /* The key frame is much better than the previous frame */
+ else if ( kf_err < (cpi->ambient_err >> 1) )
+ {
+ /* Raise q_low */
+ q_low = (Q < q_high) ? (Q + 1) : q_high;
+
+ /* Adjust Q */
+ Q = (q_high + q_low + 1) >> 1;
+ }
+
+ /* Clamp Q to upper and lower limits: */
+ if (Q > q_high)
+ Q = q_high;
+ else if (Q < q_low)
+ Q = q_low;
+
+ Loop = Q != last_q;
+ }
+
+ /* Is the projected frame size out of range and are we allowed
+ * to attempt to recode.
+ */
+ else if ( recode_loop_test( cpi,
+ frame_over_shoot_limit, frame_under_shoot_limit,
+ Q, top_index, bottom_index ) )
+ {
+ int last_q = Q;
+ int Retries = 0;
+
+ /* Frame size out of permitted range. Update correction factor
+ * & compute new Q to try...
+ */
+
+ /* Frame is too large */
+ if (cpi->projected_frame_size > cpi->this_frame_target)
+ {
+ /* Raise Qlow as to at least the current value */
+ q_low = (Q < q_high) ? (Q + 1) : q_high;
+
+ /* If we are using over quant do the same for zbin_oq_low */
+ if (cpi->mb.zbin_over_quant > 0)
+ zbin_oq_low = (cpi->mb.zbin_over_quant < zbin_oq_high) ?
+ (cpi->mb.zbin_over_quant + 1) : zbin_oq_high;
+
+ if (undershoot_seen)
+ {
+ /* Update rate_correction_factor unless
+ * cpi->active_worst_quality has changed.
+ */
+ if (!active_worst_qchanged)
+ vp8_update_rate_correction_factors(cpi, 1);
+
+ Q = (q_high + q_low + 1) / 2;
+
+ /* Adjust cpi->zbin_over_quant (only allowed when Q
+ * is max)
+ */
+ if (Q < MAXQ)
+ cpi->mb.zbin_over_quant = 0;
+ else
+ {
+ zbin_oq_low = (cpi->mb.zbin_over_quant < zbin_oq_high) ?
+ (cpi->mb.zbin_over_quant + 1) : zbin_oq_high;
+ cpi->mb.zbin_over_quant =
+ (zbin_oq_high + zbin_oq_low) / 2;
+ }
+ }
+ else
+ {
+ /* Update rate_correction_factor unless
+ * cpi->active_worst_quality has changed.
+ */
+ if (!active_worst_qchanged)
+ vp8_update_rate_correction_factors(cpi, 0);
+
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+
+ while (((Q < q_low) ||
+ (cpi->mb.zbin_over_quant < zbin_oq_low)) &&
+ (Retries < 10))
+ {
+ vp8_update_rate_correction_factors(cpi, 0);
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+ Retries ++;
+ }
+ }
+
+ overshoot_seen = 1;
+ }
+ /* Frame is too small */
+ else
+ {
+ if (cpi->mb.zbin_over_quant == 0)
+ /* Lower q_high if not using over quant */
+ q_high = (Q > q_low) ? (Q - 1) : q_low;
+ else
+ /* else lower zbin_oq_high */
+ zbin_oq_high = (cpi->mb.zbin_over_quant > zbin_oq_low) ?
+ (cpi->mb.zbin_over_quant - 1) : zbin_oq_low;
+
+ if (overshoot_seen)
+ {
+ /* Update rate_correction_factor unless
+ * cpi->active_worst_quality has changed.
+ */
+ if (!active_worst_qchanged)
+ vp8_update_rate_correction_factors(cpi, 1);
+
+ Q = (q_high + q_low) / 2;
+
+ /* Adjust cpi->zbin_over_quant (only allowed when Q
+ * is max)
+ */
+ if (Q < MAXQ)
+ cpi->mb.zbin_over_quant = 0;
+ else
+ cpi->mb.zbin_over_quant =
+ (zbin_oq_high + zbin_oq_low) / 2;
+ }
+ else
+ {
+ /* Update rate_correction_factor unless
+ * cpi->active_worst_quality has changed.
+ */
+ if (!active_worst_qchanged)
+ vp8_update_rate_correction_factors(cpi, 0);
+
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+
+ /* Special case reset for qlow for constrained quality.
+ * This should only trigger where there is very substantial
+ * undershoot on a frame and the auto cq level is above
+ * the user passsed in value.
+ */
+ if ( (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) &&
+ (Q < q_low) )
+ {
+ q_low = Q;
+ }
+
+ while (((Q > q_high) ||
+ (cpi->mb.zbin_over_quant > zbin_oq_high)) &&
+ (Retries < 10))
+ {
+ vp8_update_rate_correction_factors(cpi, 0);
+ Q = vp8_regulate_q(cpi, cpi->this_frame_target);
+ Retries ++;
+ }
+ }
+
+ undershoot_seen = 1;
+ }
+
+ /* Clamp Q to upper and lower limits: */
+ if (Q > q_high)
+ Q = q_high;
+ else if (Q < q_low)
+ Q = q_low;
+
+ /* Clamp cpi->zbin_over_quant */
+ cpi->mb.zbin_over_quant = (cpi->mb.zbin_over_quant < zbin_oq_low) ?
+ zbin_oq_low : (cpi->mb.zbin_over_quant > zbin_oq_high) ?
+ zbin_oq_high : cpi->mb.zbin_over_quant;
+
+ Loop = Q != last_q;
+ }
+ else
+#endif
+ Loop = 0;
+
+ if (cpi->is_src_frame_alt_ref)
+ Loop = 0;
+
+ if (Loop == 1)
+ {
+ vp8_restore_coding_context(cpi);
+ loop_count++;
+#if CONFIG_INTERNAL_STATS
+ cpi->tot_recode_hits++;
+#endif
+ }
+ }
+ while (Loop == 1);
+
+#if 0
+ /* Experimental code for lagged and one pass
+ * Update stats used for one pass GF selection
+ */
+ {
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index].frame_coded_error = (double)cpi->prediction_error;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index].frame_intra_error = (double)cpi->intra_error;
+ cpi->one_pass_frame_stats[cpi->one_pass_frame_index].frame_pcnt_inter = (double)(100 - cpi->this_frame_percent_intra) / 100.0;
+ }
+#endif
+
+ /* Special case code to reduce pulsing when key frames are forced at a
+ * fixed interval. Note the reconstruction error if it is the frame before
+ * the force key frame
+ */
+ if ( cpi->next_key_frame_forced && (cpi->twopass.frames_to_key == 0) )
+ {
+ cpi->ambient_err = vp8_calc_ss_err(cpi->Source,
+ &cm->yv12_fb[cm->new_fb_idx]);
+ }
+
+ /* This frame's MVs are saved and will be used in next frame's MV predictor.
+ * Last frame has one more line(add to bottom) and one more column(add to
+ * right) than cm->mip. The edge elements are initialized to 0.
+ */
+#if CONFIG_MULTI_RES_ENCODING
+ if(!cpi->oxcf.mr_encoder_id && cm->show_frame)
+#else
+ if(cm->show_frame) /* do not save for altref frame */
+#endif
+ {
+ int mb_row;
+ int mb_col;
+ /* Point to beginning of allocated MODE_INFO arrays. */
+ MODE_INFO *tmp = cm->mip;
+
+ if(cm->frame_type != KEY_FRAME)
+ {
+ for (mb_row = 0; mb_row < cm->mb_rows+1; mb_row ++)
+ {
+ for (mb_col = 0; mb_col < cm->mb_cols+1; mb_col ++)
+ {
+ if(tmp->mbmi.ref_frame != INTRA_FRAME)
+ cpi->lfmv[mb_col + mb_row*(cm->mode_info_stride+1)].as_int = tmp->mbmi.mv.as_int;
+
+ cpi->lf_ref_frame_sign_bias[mb_col + mb_row*(cm->mode_info_stride+1)] = cm->ref_frame_sign_bias[tmp->mbmi.ref_frame];
+ cpi->lf_ref_frame[mb_col + mb_row*(cm->mode_info_stride+1)] = tmp->mbmi.ref_frame;
+ tmp++;
+ }
+ }
+ }
+ }
+
+ /* Count last ref frame 0,0 usage on current encoded frame. */
+ {
+ int mb_row;
+ int mb_col;
+ /* Point to beginning of MODE_INFO arrays. */
+ MODE_INFO *tmp = cm->mi;
+
+ cpi->zeromv_count = 0;
+
+ if(cm->frame_type != KEY_FRAME)
+ {
+ for (mb_row = 0; mb_row < cm->mb_rows; mb_row ++)
+ {
+ for (mb_col = 0; mb_col < cm->mb_cols; mb_col ++)
+ {
+ if (tmp->mbmi.mode == ZEROMV &&
+ tmp->mbmi.ref_frame == LAST_FRAME)
+ cpi->zeromv_count++;
+ tmp++;
+ }
+ tmp++;
+ }
+ }
+ }
+
+#if CONFIG_MULTI_RES_ENCODING
+ vp8_cal_dissimilarity(cpi);
+#endif
+
+ /* Update the GF useage maps.
+ * This is done after completing the compression of a frame when all
+ * modes etc. are finalized but before loop filter
+ */
+ if (cpi->oxcf.number_of_layers == 1)
+ vp8_update_gf_useage_maps(cpi, cm, &cpi->mb);
+
+ if (cm->frame_type == KEY_FRAME)
+ cm->refresh_last_frame = 1;
+
+#if 0
+ {
+ FILE *f = fopen("gfactive.stt", "a");
+ fprintf(f, "%8d %8d %8d %8d %8d\n", cm->current_video_frame, (100 * cpi->gf_active_count) / (cpi->common.mb_rows * cpi->common.mb_cols), cpi->this_iiratio, cpi->next_iiratio, cm->refresh_golden_frame);
+ fclose(f);
+ }
+#endif
+
+ /* For inter frames the current default behavior is that when
+ * cm->refresh_golden_frame is set we copy the old GF over to the ARF buffer
+ * This is purely an encoder decision at present.
+ */
+ if (!cpi->oxcf.error_resilient_mode && cm->refresh_golden_frame)
+ cm->copy_buffer_to_arf = 2;
+ else
+ cm->copy_buffer_to_arf = 0;
+
+ cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx];
+
+#if CONFIG_TEMPORAL_DENOISING
+ // Get some measure of the amount of noise, by measuring the (partial) mse
+ // between source and denoised buffer, for y channel. Partial refers to
+ // computing the sse for a sub-sample of the frame (i.e., skip x blocks along row/column),
+ // and only for blocks in that set that are consecutive ZEROMV_LAST mode.
+ // Do this every ~8 frames, to further reduce complexity.
+ // TODO(marpan): Keep this for now for the case cpi->oxcf.noise_sensitivity < 4,
+ // should be removed in favor of the process_denoiser_mode_change() function below.
+ if (cpi->oxcf.noise_sensitivity > 0 &&
+ cpi->oxcf.noise_sensitivity < 4 &&
+ !cpi->oxcf.screen_content_mode &&
+ cpi->frames_since_key%8 == 0 &&
+ cm->frame_type != KEY_FRAME) {
+ cpi->mse_source_denoised = measure_square_diff_partial(
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME], cpi->Source, cpi);
+ }
+
+ // For the adaptive denoising mode (noise_sensitivity == 4), sample the mse
+ // of source diff (between current and previous frame), and determine if we
+ // should switch the denoiser mode. Sampling refers to computing the mse for
+ // a sub-sample of the frame (i.e., skip x blocks along row/column), and
+ // only for blocks in that set that have used ZEROMV LAST, along with some
+ // constraint on the sum diff between blocks. This process is called every
+ // ~8 frames, to further reduce complexity.
+ if (cpi->oxcf.noise_sensitivity == 4 &&
+ !cpi->oxcf.screen_content_mode &&
+ cpi->frames_since_key % 8 == 0 &&
+ cm->frame_type != KEY_FRAME) {
+ process_denoiser_mode_change(cpi);
+ }
+#endif
+
+#if CONFIG_MULTITHREAD
+ if (cpi->b_multi_threaded)
+ {
+ /* start loopfilter in separate thread */
+ sem_post(&cpi->h_event_start_lpf);
+ cpi->b_lpf_running = 1;
+ }
+ else
+#endif
+ {
+ vp8_loopfilter_frame(cpi, cm);
+ }
+
+ update_reference_frames(cpi);
+
+#ifdef OUTPUT_YUV_DENOISED
+ vp8_write_yuv_frame(yuv_denoised_file,
+ &cpi->denoiser.yv12_running_avg[INTRA_FRAME]);
+#endif
+
+#if !(CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING)
+ if (cpi->oxcf.error_resilient_mode)
+ {
+ cm->refresh_entropy_probs = 0;
+ }
+#endif
+
+#if CONFIG_MULTITHREAD
+ /* wait that filter_level is picked so that we can continue with stream packing */
+ if (cpi->b_multi_threaded)
+ sem_wait(&cpi->h_event_end_lpf);
+#endif
+
+ /* build the bitstream */
+ vp8_pack_bitstream(cpi, dest, dest_end, size);
+
+#if CONFIG_MULTITHREAD
+ /* if PSNR packets are generated we have to wait for the lpf */
+ if (cpi->b_lpf_running && cpi->b_calculate_psnr)
+ {
+ sem_wait(&cpi->h_event_end_lpf);
+ cpi->b_lpf_running = 0;
+ }
+#endif
+
+ /* Move storing frame_type out of the above loop since it is also
+ * needed in motion search besides loopfilter */
+ cm->last_frame_type = cm->frame_type;
+
+ /* Update rate control heuristics */
+ cpi->total_byte_count += (*size);
+ cpi->projected_frame_size = (*size) << 3;
+
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+ for (i=cpi->current_layer+1; i<cpi->oxcf.number_of_layers; i++)
+ cpi->layer_context[i].total_byte_count += (*size);
+ }
+
+ if (!active_worst_qchanged)
+ vp8_update_rate_correction_factors(cpi, 2);
+
+ cpi->last_q[cm->frame_type] = cm->base_qindex;
+
+ if (cm->frame_type == KEY_FRAME)
+ {
+ vp8_adjust_key_frame_context(cpi);
+ }
+
+ /* Keep a record of ambient average Q. */
+ if (cm->frame_type != KEY_FRAME)
+ cpi->avg_frame_qindex = (2 + 3 * cpi->avg_frame_qindex + cm->base_qindex) >> 2;
+
+ /* Keep a record from which we can calculate the average Q excluding
+ * GF updates and key frames
+ */
+ if ((cm->frame_type != KEY_FRAME) && ((cpi->oxcf.number_of_layers > 1) ||
+ (!cm->refresh_golden_frame && !cm->refresh_alt_ref_frame)))
+ {
+ cpi->ni_frames++;
+
+ /* Calculate the average Q for normal inter frames (not key or GFU
+ * frames).
+ */
+ if ( cpi->pass == 2 )
+ {
+ cpi->ni_tot_qi += Q;
+ cpi->ni_av_qi = (cpi->ni_tot_qi / cpi->ni_frames);
+ }
+ else
+ {
+ /* Damp value for first few frames */
+ if (cpi->ni_frames > 150 )
+ {
+ cpi->ni_tot_qi += Q;
+ cpi->ni_av_qi = (cpi->ni_tot_qi / cpi->ni_frames);
+ }
+ /* For one pass, early in the clip ... average the current frame Q
+ * value with the worstq entered by the user as a dampening measure
+ */
+ else
+ {
+ cpi->ni_tot_qi += Q;
+ cpi->ni_av_qi = ((cpi->ni_tot_qi / cpi->ni_frames) + cpi->worst_quality + 1) / 2;
+ }
+
+ /* If the average Q is higher than what was used in the last
+ * frame (after going through the recode loop to keep the frame
+ * size within range) then use the last frame value - 1. The -1
+ * is designed to stop Q and hence the data rate, from
+ * progressively falling away during difficult sections, but at
+ * the same time reduce the number of itterations around the
+ * recode loop.
+ */
+ if (Q > cpi->ni_av_qi)
+ cpi->ni_av_qi = Q - 1;
+ }
+ }
+
+ /* Update the buffer level variable. */
+ /* Non-viewable frames are a special case and are treated as pure overhead. */
+ if ( !cm->show_frame )
+ cpi->bits_off_target -= cpi->projected_frame_size;
+ else
+ cpi->bits_off_target += cpi->av_per_frame_bandwidth - cpi->projected_frame_size;
+
+ /* Clip the buffer level to the maximum specified buffer size */
+ if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size)
+ cpi->bits_off_target = cpi->oxcf.maximum_buffer_size;
+
+ // If the frame dropper is not enabled, don't let the buffer level go below
+ // some threshold, given here by -|maximum_buffer_size|. For now we only do
+ // this for screen content input.
+ if (cpi->drop_frames_allowed == 0 && cpi->oxcf.screen_content_mode &&
+ cpi->bits_off_target < -cpi->oxcf.maximum_buffer_size)
+ cpi->bits_off_target = -cpi->oxcf.maximum_buffer_size;
+
+ /* Rolling monitors of whether we are over or underspending used to
+ * help regulate min and Max Q in two pass.
+ */
+ cpi->rolling_target_bits = ((cpi->rolling_target_bits * 3) + cpi->this_frame_target + 2) / 4;
+ cpi->rolling_actual_bits = ((cpi->rolling_actual_bits * 3) + cpi->projected_frame_size + 2) / 4;
+ cpi->long_rolling_target_bits = ((cpi->long_rolling_target_bits * 31) + cpi->this_frame_target + 16) / 32;
+ cpi->long_rolling_actual_bits = ((cpi->long_rolling_actual_bits * 31) + cpi->projected_frame_size + 16) / 32;
+
+ /* Actual bits spent */
+ cpi->total_actual_bits += cpi->projected_frame_size;
+
+ /* Debug stats */
+ cpi->total_target_vs_actual += (cpi->this_frame_target - cpi->projected_frame_size);
+
+ cpi->buffer_level = cpi->bits_off_target;
+
+ /* Propagate values to higher temporal layers */
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+
+ for (i=cpi->current_layer+1; i<cpi->oxcf.number_of_layers; i++)
+ {
+ LAYER_CONTEXT *lc = &cpi->layer_context[i];
+ int bits_off_for_this_layer =
+ (int)(lc->target_bandwidth / lc->framerate -
+ cpi->projected_frame_size);
+
+ lc->bits_off_target += bits_off_for_this_layer;
+
+ /* Clip buffer level to maximum buffer size for the layer */
+ if (lc->bits_off_target > lc->maximum_buffer_size)
+ lc->bits_off_target = lc->maximum_buffer_size;
+
+ lc->total_actual_bits += cpi->projected_frame_size;
+ lc->total_target_vs_actual += bits_off_for_this_layer;
+ lc->buffer_level = lc->bits_off_target;
+ }
+ }
+
+ /* Update bits left to the kf and gf groups to account for overshoot
+ * or undershoot on these frames
+ */
+ if (cm->frame_type == KEY_FRAME)
+ {
+ cpi->twopass.kf_group_bits += cpi->this_frame_target - cpi->projected_frame_size;
+
+ if (cpi->twopass.kf_group_bits < 0)
+ cpi->twopass.kf_group_bits = 0 ;
+ }
+ else if (cm->refresh_golden_frame || cm->refresh_alt_ref_frame)
+ {
+ cpi->twopass.gf_group_bits += cpi->this_frame_target - cpi->projected_frame_size;
+
+ if (cpi->twopass.gf_group_bits < 0)
+ cpi->twopass.gf_group_bits = 0 ;
+ }
+
+ if (cm->frame_type != KEY_FRAME)
+ {
+ if (cpi->common.refresh_alt_ref_frame)
+ {
+ cpi->last_skip_false_probs[2] = cpi->prob_skip_false;
+ cpi->last_skip_probs_q[2] = cm->base_qindex;
+ }
+ else if (cpi->common.refresh_golden_frame)
+ {
+ cpi->last_skip_false_probs[1] = cpi->prob_skip_false;
+ cpi->last_skip_probs_q[1] = cm->base_qindex;
+ }
+ else
+ {
+ cpi->last_skip_false_probs[0] = cpi->prob_skip_false;
+ cpi->last_skip_probs_q[0] = cm->base_qindex;
+
+ /* update the baseline */
+ cpi->base_skip_false_prob[cm->base_qindex] = cpi->prob_skip_false;
+
+ }
+ }
+
+#if 0 && CONFIG_INTERNAL_STATS
+ {
+ FILE *f = fopen("tmp.stt", "a");
+
+ vp8_clear_system_state();
+
+ if (cpi->twopass.total_left_stats.coded_error != 0.0)
+ fprintf(f, "%10d %10d %10d %10d %10d %10"PRId64" %10"PRId64
+ "%10"PRId64" %10d %6d %6d %6d %6d %5d %5d %5d %8d "
+ "%8.2lf %"PRId64" %10.3lf %10"PRId64" %8d\n",
+ cpi->common.current_video_frame, cpi->this_frame_target,
+ cpi->projected_frame_size,
+ (cpi->projected_frame_size - cpi->this_frame_target),
+ cpi->total_target_vs_actual,
+ cpi->buffer_level,
+ (cpi->oxcf.starting_buffer_level-cpi->bits_off_target),
+ cpi->total_actual_bits, cm->base_qindex,
+ cpi->active_best_quality, cpi->active_worst_quality,
+ cpi->ni_av_qi, cpi->cq_target_quality,
+ cm->refresh_golden_frame, cm->refresh_alt_ref_frame,
+ cm->frame_type, cpi->gfu_boost,
+ cpi->twopass.est_max_qcorrection_factor,
+ cpi->twopass.bits_left,
+ cpi->twopass.total_left_stats.coded_error,
+ (double)cpi->twopass.bits_left /
+ cpi->twopass.total_left_stats.coded_error,
+ cpi->tot_recode_hits);
+ else
+ fprintf(f, "%10d %10d %10d %10d %10d %10"PRId64" %10"PRId64
+ "%10"PRId64" %10d %6d %6d %6d %6d %5d %5d %5d %8d "
+ "%8.2lf %"PRId64" %10.3lf %8d\n",
+ cpi->common.current_video_frame, cpi->this_frame_target,
+ cpi->projected_frame_size,
+ (cpi->projected_frame_size - cpi->this_frame_target),
+ cpi->total_target_vs_actual,
+ cpi->buffer_level,
+ (cpi->oxcf.starting_buffer_level-cpi->bits_off_target),
+ cpi->total_actual_bits, cm->base_qindex,
+ cpi->active_best_quality, cpi->active_worst_quality,
+ cpi->ni_av_qi, cpi->cq_target_quality,
+ cm->refresh_golden_frame, cm->refresh_alt_ref_frame,
+ cm->frame_type, cpi->gfu_boost,
+ cpi->twopass.est_max_qcorrection_factor,
+ cpi->twopass.bits_left,
+ cpi->twopass.total_left_stats.coded_error,
+ cpi->tot_recode_hits);
+
+ fclose(f);
+
+ {
+ FILE *fmodes = fopen("Modes.stt", "a");
+
+ fprintf(fmodes, "%6d:%1d:%1d:%1d ",
+ cpi->common.current_video_frame,
+ cm->frame_type, cm->refresh_golden_frame,
+ cm->refresh_alt_ref_frame);
+
+ fprintf(fmodes, "\n");
+
+ fclose(fmodes);
+ }
+ }
+
+#endif
+
+ if (cm->refresh_golden_frame == 1)
+ cm->frame_flags = cm->frame_flags | FRAMEFLAGS_GOLDEN;
+ else
+ cm->frame_flags = cm->frame_flags&~FRAMEFLAGS_GOLDEN;
+
+ if (cm->refresh_alt_ref_frame == 1)
+ cm->frame_flags = cm->frame_flags | FRAMEFLAGS_ALTREF;
+ else
+ cm->frame_flags = cm->frame_flags&~FRAMEFLAGS_ALTREF;
+
+
+ if (cm->refresh_last_frame & cm->refresh_golden_frame)
+ /* both refreshed */
+ cpi->gold_is_last = 1;
+ else if (cm->refresh_last_frame ^ cm->refresh_golden_frame)
+ /* 1 refreshed but not the other */
+ cpi->gold_is_last = 0;
+
+ if (cm->refresh_last_frame & cm->refresh_alt_ref_frame)
+ /* both refreshed */
+ cpi->alt_is_last = 1;
+ else if (cm->refresh_last_frame ^ cm->refresh_alt_ref_frame)
+ /* 1 refreshed but not the other */
+ cpi->alt_is_last = 0;
+
+ if (cm->refresh_alt_ref_frame & cm->refresh_golden_frame)
+ /* both refreshed */
+ cpi->gold_is_alt = 1;
+ else if (cm->refresh_alt_ref_frame ^ cm->refresh_golden_frame)
+ /* 1 refreshed but not the other */
+ cpi->gold_is_alt = 0;
+
+ cpi->ref_frame_flags = VP8_ALTR_FRAME | VP8_GOLD_FRAME | VP8_LAST_FRAME;
+
+ if (cpi->gold_is_last)
+ cpi->ref_frame_flags &= ~VP8_GOLD_FRAME;
+
+ if (cpi->alt_is_last)
+ cpi->ref_frame_flags &= ~VP8_ALTR_FRAME;
+
+ if (cpi->gold_is_alt)
+ cpi->ref_frame_flags &= ~VP8_ALTR_FRAME;
+
+
+ if (!cpi->oxcf.error_resilient_mode)
+ {
+ if (cpi->oxcf.play_alternate && cm->refresh_alt_ref_frame && (cm->frame_type != KEY_FRAME))
+ /* Update the alternate reference frame stats as appropriate. */
+ update_alt_ref_frame_stats(cpi);
+ else
+ /* Update the Golden frame stats as appropriate. */
+ update_golden_frame_stats(cpi);
+ }
+
+ if (cm->frame_type == KEY_FRAME)
+ {
+ /* Tell the caller that the frame was coded as a key frame */
+ *frame_flags = cm->frame_flags | FRAMEFLAGS_KEY;
+
+ /* As this frame is a key frame the next defaults to an inter frame. */
+ cm->frame_type = INTER_FRAME;
+
+ cpi->last_frame_percent_intra = 100;
+ }
+ else
+ {
+ *frame_flags = cm->frame_flags&~FRAMEFLAGS_KEY;
+
+ cpi->last_frame_percent_intra = cpi->this_frame_percent_intra;
+ }
+
+ /* Clear the one shot update flags for segmentation map and mode/ref
+ * loop filter deltas.
+ */
+ cpi->mb.e_mbd.update_mb_segmentation_map = 0;
+ cpi->mb.e_mbd.update_mb_segmentation_data = 0;
+ cpi->mb.e_mbd.mode_ref_lf_delta_update = 0;
+
+
+ /* Dont increment frame counters if this was an altref buffer update
+ * not a real frame
+ */
+ if (cm->show_frame)
+ {
+ cm->current_video_frame++;
+ cpi->frames_since_key++;
+ cpi->temporal_pattern_counter++;
+ }
+
+ /* reset to normal state now that we are done. */
+
+
+
+#if 0
+ {
+ char filename[512];
+ FILE *recon_file;
+ sprintf(filename, "enc%04d.yuv", (int) cm->current_video_frame);
+ recon_file = fopen(filename, "wb");
+ fwrite(cm->yv12_fb[cm->lst_fb_idx].buffer_alloc,
+ cm->yv12_fb[cm->lst_fb_idx].frame_size, 1, recon_file);
+ fclose(recon_file);
+ }
+#endif
+
+ /* DEBUG */
+ /* vp8_write_yuv_frame("encoder_recon.yuv", cm->frame_to_show); */
+
+
+}
+#if !(CONFIG_REALTIME_ONLY)
+static void Pass2Encode(VP8_COMP *cpi, unsigned long *size, unsigned char *dest, unsigned char * dest_end, unsigned int *frame_flags)
+{
+
+ if (!cpi->common.refresh_alt_ref_frame)
+ vp8_second_pass(cpi);
+
+ encode_frame_to_data_rate(cpi, size, dest, dest_end, frame_flags);
+ cpi->twopass.bits_left -= 8 * *size;
+
+ if (!cpi->common.refresh_alt_ref_frame)
+ {
+ double two_pass_min_rate = (double)(cpi->oxcf.target_bandwidth
+ *cpi->oxcf.two_pass_vbrmin_section / 100);
+ cpi->twopass.bits_left += (int64_t)(two_pass_min_rate / cpi->framerate);
+ }
+}
+#endif
+
+int vp8_receive_raw_frame(VP8_COMP *cpi, unsigned int frame_flags, YV12_BUFFER_CONFIG *sd, int64_t time_stamp, int64_t end_time)
+{
+ struct vpx_usec_timer timer;
+ int res = 0;
+
+ vpx_usec_timer_start(&timer);
+
+ /* Reinit the lookahead buffer if the frame size changes */
+ if (sd->y_width != cpi->oxcf.Width || sd->y_height != cpi->oxcf.Height)
+ {
+ assert(cpi->oxcf.lag_in_frames < 2);
+ dealloc_raw_frame_buffers(cpi);
+ alloc_raw_frame_buffers(cpi);
+ }
+
+ if(vp8_lookahead_push(cpi->lookahead, sd, time_stamp, end_time,
+ frame_flags, cpi->active_map_enabled ? cpi->active_map : NULL))
+ res = -1;
+ vpx_usec_timer_mark(&timer);
+ cpi->time_receive_data += vpx_usec_timer_elapsed(&timer);
+
+ return res;
+}
+
+
+static int frame_is_reference(const VP8_COMP *cpi)
+{
+ const VP8_COMMON *cm = &cpi->common;
+ const MACROBLOCKD *xd = &cpi->mb.e_mbd;
+
+ return cm->frame_type == KEY_FRAME || cm->refresh_last_frame
+ || cm->refresh_golden_frame || cm->refresh_alt_ref_frame
+ || cm->copy_buffer_to_gf || cm->copy_buffer_to_arf
+ || cm->refresh_entropy_probs
+ || xd->mode_ref_lf_delta_update
+ || xd->update_mb_segmentation_map || xd->update_mb_segmentation_data;
+}
+
+
+int vp8_get_compressed_data(VP8_COMP *cpi, unsigned int *frame_flags, unsigned long *size, unsigned char *dest, unsigned char *dest_end, int64_t *time_stamp, int64_t *time_end, int flush)
+{
+ VP8_COMMON *cm;
+ struct vpx_usec_timer tsctimer;
+ struct vpx_usec_timer ticktimer;
+ struct vpx_usec_timer cmptimer;
+ YV12_BUFFER_CONFIG *force_src_buffer = NULL;
+
+ if (!cpi)
+ return -1;
+
+ cm = &cpi->common;
+
+ if (setjmp(cpi->common.error.jmp))
+ {
+ cpi->common.error.setjmp = 0;
+ vp8_clear_system_state();
+ return VPX_CODEC_CORRUPT_FRAME;
+ }
+
+ cpi->common.error.setjmp = 1;
+
+ vpx_usec_timer_start(&cmptimer);
+
+ cpi->source = NULL;
+
+#if !(CONFIG_REALTIME_ONLY)
+ /* Should we code an alternate reference frame */
+ if (cpi->oxcf.error_resilient_mode == 0 &&
+ cpi->oxcf.play_alternate &&
+ cpi->source_alt_ref_pending)
+ {
+ if ((cpi->source = vp8_lookahead_peek(cpi->lookahead,
+ cpi->frames_till_gf_update_due,
+ PEEK_FORWARD)))
+ {
+ cpi->alt_ref_source = cpi->source;
+ if (cpi->oxcf.arnr_max_frames > 0)
+ {
+ vp8_temporal_filter_prepare_c(cpi,
+ cpi->frames_till_gf_update_due);
+ force_src_buffer = &cpi->alt_ref_buffer;
+ }
+ cpi->frames_till_alt_ref_frame = cpi->frames_till_gf_update_due;
+ cm->refresh_alt_ref_frame = 1;
+ cm->refresh_golden_frame = 0;
+ cm->refresh_last_frame = 0;
+ cm->show_frame = 0;
+ /* Clear Pending alt Ref flag. */
+ cpi->source_alt_ref_pending = 0;
+ cpi->is_src_frame_alt_ref = 0;
+ }
+ }
+#endif
+
+ if (!cpi->source)
+ {
+ /* Read last frame source if we are encoding first pass. */
+ if (cpi->pass == 1 && cm->current_video_frame > 0)
+ {
+ if((cpi->last_source = vp8_lookahead_peek(cpi->lookahead, 1,
+ PEEK_BACKWARD)) == NULL)
+ return -1;
+ }
+
+
+ if ((cpi->source = vp8_lookahead_pop(cpi->lookahead, flush)))
+ {
+ cm->show_frame = 1;
+
+ cpi->is_src_frame_alt_ref = cpi->alt_ref_source
+ && (cpi->source == cpi->alt_ref_source);
+
+ if(cpi->is_src_frame_alt_ref)
+ cpi->alt_ref_source = NULL;
+ }
+ }
+
+ if (cpi->source)
+ {
+ cpi->Source = force_src_buffer ? force_src_buffer : &cpi->source->img;
+ cpi->un_scaled_source = cpi->Source;
+ *time_stamp = cpi->source->ts_start;
+ *time_end = cpi->source->ts_end;
+ *frame_flags = cpi->source->flags;
+
+ if (cpi->pass == 1 && cm->current_video_frame > 0)
+ {
+ cpi->last_frame_unscaled_source = &cpi->last_source->img;
+ }
+ }
+ else
+ {
+ *size = 0;
+#if !(CONFIG_REALTIME_ONLY)
+
+ if (flush && cpi->pass == 1 && !cpi->twopass.first_pass_done)
+ {
+ vp8_end_first_pass(cpi); /* get last stats packet */
+ cpi->twopass.first_pass_done = 1;
+ }
+
+#endif
+
+ return -1;
+ }
+
+ if (cpi->source->ts_start < cpi->first_time_stamp_ever)
+ {
+ cpi->first_time_stamp_ever = cpi->source->ts_start;
+ cpi->last_end_time_stamp_seen = cpi->source->ts_start;
+ }
+
+ /* adjust frame rates based on timestamps given */
+ if (cm->show_frame)
+ {
+ int64_t this_duration;
+ int step = 0;
+
+ if (cpi->source->ts_start == cpi->first_time_stamp_ever)
+ {
+ this_duration = cpi->source->ts_end - cpi->source->ts_start;
+ step = 1;
+ }
+ else
+ {
+ int64_t last_duration;
+
+ this_duration = cpi->source->ts_end - cpi->last_end_time_stamp_seen;
+ last_duration = cpi->last_end_time_stamp_seen
+ - cpi->last_time_stamp_seen;
+ /* do a step update if the duration changes by 10% */
+ if (last_duration)
+ step = (int)(((this_duration - last_duration) *
+ 10 / last_duration));
+ }
+
+ if (this_duration)
+ {
+ if (step)
+ cpi->ref_framerate = 10000000.0 / this_duration;
+ else
+ {
+ double avg_duration, interval;
+
+ /* Average this frame's rate into the last second's average
+ * frame rate. If we haven't seen 1 second yet, then average
+ * over the whole interval seen.
+ */
+ interval = (double)(cpi->source->ts_end -
+ cpi->first_time_stamp_ever);
+ if(interval > 10000000.0)
+ interval = 10000000;
+
+ avg_duration = 10000000.0 / cpi->ref_framerate;
+ avg_duration *= (interval - avg_duration + this_duration);
+ avg_duration /= interval;
+
+ cpi->ref_framerate = 10000000.0 / avg_duration;
+ }
+#if CONFIG_MULTI_RES_ENCODING
+ if (cpi->oxcf.mr_total_resolutions > 1) {
+ LOWER_RES_FRAME_INFO* low_res_frame_info = (LOWER_RES_FRAME_INFO*)
+ cpi->oxcf.mr_low_res_mode_info;
+ // Frame rate should be the same for all spatial layers in
+ // multi-res-encoding (simulcast), so we constrain the frame for
+ // higher layers to be that of lowest resolution. This is needed
+ // as he application may decide to skip encoding a high layer and
+ // then start again, in which case a big jump in time-stamps will
+ // be received for that high layer, which will yield an incorrect
+ // frame rate (from time-stamp adjustment in above calculation).
+ if (cpi->oxcf.mr_encoder_id) {
+ cpi->ref_framerate = low_res_frame_info->low_res_framerate;
+ }
+ else {
+ // Keep track of frame rate for lowest resolution.
+ low_res_frame_info->low_res_framerate = cpi->ref_framerate;
+ }
+ }
+#endif
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+
+ /* Update frame rates for each layer */
+ assert(cpi->oxcf.number_of_layers <= VPX_TS_MAX_LAYERS);
+ for (i = 0; i < cpi->oxcf.number_of_layers &&
+ i < VPX_TS_MAX_LAYERS; ++i)
+ {
+ LAYER_CONTEXT *lc = &cpi->layer_context[i];
+ lc->framerate = cpi->ref_framerate /
+ cpi->oxcf.rate_decimator[i];
+ }
+ }
+ else
+ vp8_new_framerate(cpi, cpi->ref_framerate);
+ }
+
+ cpi->last_time_stamp_seen = cpi->source->ts_start;
+ cpi->last_end_time_stamp_seen = cpi->source->ts_end;
+ }
+
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ int layer;
+
+ update_layer_contexts (cpi);
+
+ /* Restore layer specific context & set frame rate */
+ if (cpi->temporal_layer_id >= 0) {
+ layer = cpi->temporal_layer_id;
+ } else {
+ layer = cpi->oxcf.layer_id[
+ cpi->temporal_pattern_counter % cpi->oxcf.periodicity];
+ }
+ restore_layer_context (cpi, layer);
+ vp8_new_framerate(cpi, cpi->layer_context[layer].framerate);
+ }
+
+ if (cpi->compressor_speed == 2)
+ {
+ vpx_usec_timer_start(&tsctimer);
+ vpx_usec_timer_start(&ticktimer);
+ }
+
+ cpi->lf_zeromv_pct = (cpi->zeromv_count * 100)/cm->MBs;
+
+#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING
+ {
+ int i;
+ const int num_part = (1 << cm->multi_token_partition);
+ /* the available bytes in dest */
+ const unsigned long dest_size = dest_end - dest;
+ const int tok_part_buff_size = (dest_size * 9) / (10 * num_part);
+
+ unsigned char *dp = dest;
+
+ cpi->partition_d[0] = dp;
+ dp += dest_size/10; /* reserve 1/10 for control partition */
+ cpi->partition_d_end[0] = dp;
+
+ for(i = 0; i < num_part; i++)
+ {
+ cpi->partition_d[i + 1] = dp;
+ dp += tok_part_buff_size;
+ cpi->partition_d_end[i + 1] = dp;
+ }
+ }
+#endif
+
+ /* start with a 0 size frame */
+ *size = 0;
+
+ /* Clear down mmx registers */
+ vp8_clear_system_state();
+
+ cm->frame_type = INTER_FRAME;
+ cm->frame_flags = *frame_flags;
+
+#if 0
+
+ if (cm->refresh_alt_ref_frame)
+ {
+ cm->refresh_golden_frame = 0;
+ cm->refresh_last_frame = 0;
+ }
+ else
+ {
+ cm->refresh_golden_frame = 0;
+ cm->refresh_last_frame = 1;
+ }
+
+#endif
+ /* find a free buffer for the new frame */
+ {
+ int i = 0;
+ for(; i < NUM_YV12_BUFFERS; i++)
+ {
+ if(!cm->yv12_fb[i].flags)
+ {
+ cm->new_fb_idx = i;
+ break;
+ }
+ }
+
+ assert(i < NUM_YV12_BUFFERS );
+ }
+#if !(CONFIG_REALTIME_ONLY)
+
+ if (cpi->pass == 1)
+ {
+ Pass1Encode(cpi, size, dest, frame_flags);
+ }
+ else if (cpi->pass == 2)
+ {
+ Pass2Encode(cpi, size, dest, dest_end, frame_flags);
+ }
+ else
+#endif
+ encode_frame_to_data_rate(cpi, size, dest, dest_end, frame_flags);
+
+ if (cpi->compressor_speed == 2)
+ {
+ unsigned int duration, duration2;
+ vpx_usec_timer_mark(&tsctimer);
+ vpx_usec_timer_mark(&ticktimer);
+
+ duration = (int)(vpx_usec_timer_elapsed(&ticktimer));
+ duration2 = (unsigned int)((double)duration / 2);
+
+ if (cm->frame_type != KEY_FRAME)
+ {
+ if (cpi->avg_encode_time == 0)
+ cpi->avg_encode_time = duration;
+ else
+ cpi->avg_encode_time = (7 * cpi->avg_encode_time + duration) >> 3;
+ }
+
+ if (duration2)
+ {
+ {
+
+ if (cpi->avg_pick_mode_time == 0)
+ cpi->avg_pick_mode_time = duration2;
+ else
+ cpi->avg_pick_mode_time = (7 * cpi->avg_pick_mode_time + duration2) >> 3;
+ }
+ }
+
+ }
+
+ if (cm->refresh_entropy_probs == 0)
+ {
+ memcpy(&cm->fc, &cm->lfc, sizeof(cm->fc));
+ }
+
+ /* Save the contexts separately for alt ref, gold and last. */
+ /* (TODO jbb -> Optimize this with pointers to avoid extra copies. ) */
+ if(cm->refresh_alt_ref_frame)
+ memcpy(&cpi->lfc_a, &cm->fc, sizeof(cm->fc));
+
+ if(cm->refresh_golden_frame)
+ memcpy(&cpi->lfc_g, &cm->fc, sizeof(cm->fc));
+
+ if(cm->refresh_last_frame)
+ memcpy(&cpi->lfc_n, &cm->fc, sizeof(cm->fc));
+
+ /* if its a dropped frame honor the requests on subsequent frames */
+ if (*size > 0)
+ {
+ cpi->droppable = !frame_is_reference(cpi);
+
+ /* return to normal state */
+ cm->refresh_entropy_probs = 1;
+ cm->refresh_alt_ref_frame = 0;
+ cm->refresh_golden_frame = 0;
+ cm->refresh_last_frame = 1;
+ cm->frame_type = INTER_FRAME;
+
+ }
+
+ /* Save layer specific state */
+ if (cpi->oxcf.number_of_layers > 1)
+ save_layer_context (cpi);
+
+ vpx_usec_timer_mark(&cmptimer);
+ cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer);
+
+ if (cpi->b_calculate_psnr && cpi->pass != 1 && cm->show_frame)
+ {
+ generate_psnr_packet(cpi);
+ }
+
+#if CONFIG_INTERNAL_STATS
+
+ if (cpi->pass != 1)
+ {
+ cpi->bytes += *size;
+
+ if (cm->show_frame)
+ {
+ cpi->common.show_frame_mi = cpi->common.mi;
+ cpi->count ++;
+
+ if (cpi->b_calculate_psnr)
+ {
+ uint64_t ye,ue,ve;
+ double frame_psnr;
+ YV12_BUFFER_CONFIG *orig = cpi->Source;
+ YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show;
+ unsigned int y_width = cpi->common.Width;
+ unsigned int y_height = cpi->common.Height;
+ unsigned int uv_width = (y_width + 1) / 2;
+ unsigned int uv_height = (y_height + 1) / 2;
+ int y_samples = y_height * y_width;
+ int uv_samples = uv_height * uv_width;
+ int t_samples = y_samples + 2 * uv_samples;
+ double sq_error;
+
+ ye = calc_plane_error(orig->y_buffer, orig->y_stride,
+ recon->y_buffer, recon->y_stride, y_width, y_height);
+
+ ue = calc_plane_error(orig->u_buffer, orig->uv_stride,
+ recon->u_buffer, recon->uv_stride, uv_width, uv_height);
+
+ ve = calc_plane_error(orig->v_buffer, orig->uv_stride,
+ recon->v_buffer, recon->uv_stride, uv_width, uv_height);
+
+ sq_error = (double)(ye + ue + ve);
+
+ frame_psnr = vpx_sse_to_psnr(t_samples, 255.0, sq_error);
+
+ cpi->total_y += vpx_sse_to_psnr(y_samples, 255.0, (double)ye);
+ cpi->total_u += vpx_sse_to_psnr(uv_samples, 255.0, (double)ue);
+ cpi->total_v += vpx_sse_to_psnr(uv_samples, 255.0, (double)ve);
+ cpi->total_sq_error += sq_error;
+ cpi->total += frame_psnr;
+#if CONFIG_POSTPROC
+ {
+ YV12_BUFFER_CONFIG *pp = &cm->post_proc_buffer;
+ double sq_error2;
+ double frame_psnr2, frame_ssim2 = 0;
+ double weight = 0;
+
+ vp8_deblock(cm, cm->frame_to_show, &cm->post_proc_buffer, cm->filter_level * 10 / 6, 1, 0);
+ vp8_clear_system_state();
+
+ ye = calc_plane_error(orig->y_buffer, orig->y_stride,
+ pp->y_buffer, pp->y_stride, y_width, y_height);
+
+ ue = calc_plane_error(orig->u_buffer, orig->uv_stride,
+ pp->u_buffer, pp->uv_stride, uv_width, uv_height);
+
+ ve = calc_plane_error(orig->v_buffer, orig->uv_stride,
+ pp->v_buffer, pp->uv_stride, uv_width, uv_height);
+
+ sq_error2 = (double)(ye + ue + ve);
+
+ frame_psnr2 = vpx_sse_to_psnr(t_samples, 255.0, sq_error2);
+
+ cpi->totalp_y += vpx_sse_to_psnr(y_samples,
+ 255.0, (double)ye);
+ cpi->totalp_u += vpx_sse_to_psnr(uv_samples,
+ 255.0, (double)ue);
+ cpi->totalp_v += vpx_sse_to_psnr(uv_samples,
+ 255.0, (double)ve);
+ cpi->total_sq_error2 += sq_error2;
+ cpi->totalp += frame_psnr2;
+
+ frame_ssim2 = vp8_calc_ssim(cpi->Source,
+ &cm->post_proc_buffer, 1, &weight);
+
+ cpi->summed_quality += frame_ssim2 * weight;
+ cpi->summed_weights += weight;
+
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+
+ for (i=cpi->current_layer;
+ i<cpi->oxcf.number_of_layers; i++)
+ {
+ cpi->frames_in_layer[i]++;
+
+ cpi->bytes_in_layer[i] += *size;
+ cpi->sum_psnr[i] += frame_psnr;
+ cpi->sum_psnr_p[i] += frame_psnr2;
+ cpi->total_error2[i] += sq_error;
+ cpi->total_error2_p[i] += sq_error2;
+ cpi->sum_ssim[i] += frame_ssim2 * weight;
+ cpi->sum_weights[i] += weight;
+ }
+ }
+ }
+#endif
+ }
+
+ if (cpi->b_calculate_ssimg)
+ {
+ double y, u, v, frame_all;
+ frame_all = vp8_calc_ssimg(cpi->Source, cm->frame_to_show,
+ &y, &u, &v);
+
+ if (cpi->oxcf.number_of_layers > 1)
+ {
+ unsigned int i;
+
+ for (i=cpi->current_layer;
+ i<cpi->oxcf.number_of_layers; i++)
+ {
+ if (!cpi->b_calculate_psnr)
+ cpi->frames_in_layer[i]++;
+
+ cpi->total_ssimg_y_in_layer[i] += y;
+ cpi->total_ssimg_u_in_layer[i] += u;
+ cpi->total_ssimg_v_in_layer[i] += v;
+ cpi->total_ssimg_all_in_layer[i] += frame_all;
+ }
+ }
+ else
+ {
+ cpi->total_ssimg_y += y;
+ cpi->total_ssimg_u += u;
+ cpi->total_ssimg_v += v;
+ cpi->total_ssimg_all += frame_all;
+ }
+ }
+
+ }
+ }
+
+#if 0
+
+ if (cpi->common.frame_type != 0 && cpi->common.base_qindex == cpi->oxcf.worst_allowed_q)
+ {
+ skiptruecount += cpi->skip_true_count;
+ skipfalsecount += cpi->skip_false_count;
+ }
+
+#endif
+#if 0
+
+ if (cpi->pass != 1)
+ {
+ FILE *f = fopen("skip.stt", "a");
+ fprintf(f, "frame:%4d flags:%4x Q:%4d P:%4d Size:%5d\n", cpi->common.current_video_frame, *frame_flags, cpi->common.base_qindex, cpi->prob_skip_false, *size);
+
+ if (cpi->is_src_frame_alt_ref == 1)
+ fprintf(f, "skipcount: %4d framesize: %d\n", cpi->skip_true_count , *size);
+
+ fclose(f);
+ }
+
+#endif
+#endif
+
+ cpi->common.error.setjmp = 0;
+
+ return 0;
+}
+
+int vp8_get_preview_raw_frame(VP8_COMP *cpi, YV12_BUFFER_CONFIG *dest, vp8_ppflags_t *flags)
+{
+ if (cpi->common.refresh_alt_ref_frame)
+ return -1;
+ else
+ {
+ int ret;
+
+#if CONFIG_MULTITHREAD
+ if(cpi->b_lpf_running)
+ {
+ sem_wait(&cpi->h_event_end_lpf);
+ cpi->b_lpf_running = 0;
+ }
+#endif
+
+#if CONFIG_POSTPROC
+ cpi->common.show_frame_mi = cpi->common.mi;
+ ret = vp8_post_proc_frame(&cpi->common, dest, flags);
+#else
+ (void)flags;
+
+ if (cpi->common.frame_to_show)
+ {
+ *dest = *cpi->common.frame_to_show;
+ dest->y_width = cpi->common.Width;
+ dest->y_height = cpi->common.Height;
+ dest->uv_height = cpi->common.Height / 2;
+ ret = 0;
+ }
+ else
+ {
+ ret = -1;
+ }
+
+#endif
+ vp8_clear_system_state();
+ return ret;
+ }
+}
+
+int vp8_set_roimap(VP8_COMP *cpi, unsigned char *map, unsigned int rows, unsigned int cols, int delta_q[4], int delta_lf[4], unsigned int threshold[4])
+{
+ signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];
+ int internal_delta_q[MAX_MB_SEGMENTS];
+ const int range = 63;
+ int i;
+
+ // This method is currently incompatible with the cyclic refresh method
+ if ( cpi->cyclic_refresh_mode_enabled )
+ return -1;
+
+ // Check number of rows and columns match
+ if (cpi->common.mb_rows != rows || cpi->common.mb_cols != cols)
+ return -1;
+
+ // Range check the delta Q values and convert the external Q range values
+ // to internal ones.
+ if ( (abs(delta_q[0]) > range) || (abs(delta_q[1]) > range) ||
+ (abs(delta_q[2]) > range) || (abs(delta_q[3]) > range) )
+ return -1;
+
+ // Range check the delta lf values
+ if ( (abs(delta_lf[0]) > range) || (abs(delta_lf[1]) > range) ||
+ (abs(delta_lf[2]) > range) || (abs(delta_lf[3]) > range) )
+ return -1;
+
+ if (!map)
+ {
+ disable_segmentation(cpi);
+ return 0;
+ }
+
+ // Translate the external delta q values to internal values.
+ for ( i = 0; i < MAX_MB_SEGMENTS; i++ )
+ internal_delta_q[i] =
+ ( delta_q[i] >= 0 ) ? q_trans[delta_q[i]] : -q_trans[-delta_q[i]];
+
+ /* Set the segmentation Map */
+ set_segmentation_map(cpi, map);
+
+ /* Activate segmentation. */
+ enable_segmentation(cpi);
+
+ /* Set up the quant segment data */
+ feature_data[MB_LVL_ALT_Q][0] = internal_delta_q[0];
+ feature_data[MB_LVL_ALT_Q][1] = internal_delta_q[1];
+ feature_data[MB_LVL_ALT_Q][2] = internal_delta_q[2];
+ feature_data[MB_LVL_ALT_Q][3] = internal_delta_q[3];
+
+ /* Set up the loop segment data s */
+ feature_data[MB_LVL_ALT_LF][0] = delta_lf[0];
+ feature_data[MB_LVL_ALT_LF][1] = delta_lf[1];
+ feature_data[MB_LVL_ALT_LF][2] = delta_lf[2];
+ feature_data[MB_LVL_ALT_LF][3] = delta_lf[3];
+
+ cpi->segment_encode_breakout[0] = threshold[0];
+ cpi->segment_encode_breakout[1] = threshold[1];
+ cpi->segment_encode_breakout[2] = threshold[2];
+ cpi->segment_encode_breakout[3] = threshold[3];
+
+ /* Initialise the feature data structure */
+ set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA);
+
+ return 0;
+}
+
+int vp8_set_active_map(VP8_COMP *cpi, unsigned char *map, unsigned int rows, unsigned int cols)
+{
+ if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols)
+ {
+ if (map)
+ {
+ memcpy(cpi->active_map, map, rows * cols);
+ cpi->active_map_enabled = 1;
+ }
+ else
+ cpi->active_map_enabled = 0;
+
+ return 0;
+ }
+ else
+ {
+ return -1 ;
+ }
+}
+
+int vp8_set_internal_size(VP8_COMP *cpi, VPX_SCALING horiz_mode, VPX_SCALING vert_mode)
+{
+ if (horiz_mode <= ONETWO)
+ cpi->common.horiz_scale = horiz_mode;
+ else
+ return -1;
+
+ if (vert_mode <= ONETWO)
+ cpi->common.vert_scale = vert_mode;
+ else
+ return -1;
+
+ return 0;
+}
+
+
+
+int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest)
+{
+ int i, j;
+ int Total = 0;
+
+ unsigned char *src = source->y_buffer;
+ unsigned char *dst = dest->y_buffer;
+
+ /* Loop through the Y plane raw and reconstruction data summing
+ * (square differences)
+ */
+ for (i = 0; i < source->y_height; i += 16)
+ {
+ for (j = 0; j < source->y_width; j += 16)
+ {
+ unsigned int sse;
+ Total += vpx_mse16x16(src + j, source->y_stride,
+ dst + j, dest->y_stride, &sse);
+ }
+
+ src += 16 * source->y_stride;
+ dst += 16 * dest->y_stride;
+ }
+
+ return Total;
+}
+
+
+int vp8_get_quantizer(VP8_COMP *cpi)
+{
+ return cpi->common.base_qindex;
+}