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Diffstat (limited to 'media/libvpx/vp9/encoder/vp9_encoder.h')
-rw-r--r-- | media/libvpx/vp9/encoder/vp9_encoder.h | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/vp9_encoder.h b/media/libvpx/vp9/encoder/vp9_encoder.h new file mode 100644 index 000000000..6ce4a67cd --- /dev/null +++ b/media/libvpx/vp9/encoder/vp9_encoder.h @@ -0,0 +1,654 @@ +/* + * 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. + */ + +#ifndef VP9_ENCODER_VP9_ENCODER_H_ +#define VP9_ENCODER_VP9_ENCODER_H_ + +#include <stdio.h> + +#include "./vpx_config.h" +#include "vpx/internal/vpx_codec_internal.h" +#include "vpx/vp8cx.h" + +#include "vp9/common/vp9_alloccommon.h" +#include "vp9/common/vp9_ppflags.h" +#include "vp9/common/vp9_entropymode.h" +#include "vp9/common/vp9_thread_common.h" +#include "vp9/common/vp9_onyxc_int.h" +#include "vp9/common/vp9_thread.h" + +#include "vp9/encoder/vp9_aq_cyclicrefresh.h" +#include "vp9/encoder/vp9_context_tree.h" +#include "vp9/encoder/vp9_encodemb.h" +#include "vp9/encoder/vp9_firstpass.h" +#include "vp9/encoder/vp9_lookahead.h" +#include "vp9/encoder/vp9_mbgraph.h" +#include "vp9/encoder/vp9_mcomp.h" +#include "vp9/encoder/vp9_quantize.h" +#include "vp9/encoder/vp9_ratectrl.h" +#include "vp9/encoder/vp9_rd.h" +#if CONFIG_INTERNAL_STATS +#include "vp9/encoder/vp9_ssim.h" +#endif +#include "vp9/encoder/vp9_speed_features.h" +#include "vp9/encoder/vp9_svc_layercontext.h" +#include "vp9/encoder/vp9_tokenize.h" +#include "vp9/encoder/vp9_variance.h" + +#if CONFIG_VP9_TEMPORAL_DENOISING +#include "vp9/encoder/vp9_denoiser.h" +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#define DEFAULT_GF_INTERVAL 10 + +typedef struct { + int nmvjointcost[MV_JOINTS]; + int nmvcosts[2][MV_VALS]; + int nmvcosts_hp[2][MV_VALS]; + + vp9_prob segment_pred_probs[PREDICTION_PROBS]; + + unsigned char *last_frame_seg_map_copy; + + // 0 = Intra, Last, GF, ARF + signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS]; + // 0 = ZERO_MV, MV + signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS]; + + FRAME_CONTEXT fc; +} CODING_CONTEXT; + + +typedef enum { + // encode_breakout is disabled. + ENCODE_BREAKOUT_DISABLED = 0, + // encode_breakout is enabled. + ENCODE_BREAKOUT_ENABLED = 1, + // encode_breakout is enabled with small max_thresh limit. + ENCODE_BREAKOUT_LIMITED = 2 +} ENCODE_BREAKOUT_TYPE; + +typedef enum { + NORMAL = 0, + FOURFIVE = 1, + THREEFIVE = 2, + ONETWO = 3 +} VPX_SCALING; + +typedef enum { + // Good Quality Fast Encoding. The encoder balances quality with the amount of + // time it takes to encode the output. Speed setting controls how fast. + GOOD, + + // The encoder places priority on the quality of the output over encoding + // speed. The output is compressed at the highest possible quality. This + // option takes the longest amount of time to encode. Speed setting ignored. + BEST, + + // Realtime/Live Encoding. This mode is optimized for realtime encoding (for + // example, capturing a television signal or feed from a live camera). Speed + // setting controls how fast. + REALTIME +} MODE; + +typedef enum { + FRAMEFLAGS_KEY = 1 << 0, + FRAMEFLAGS_GOLDEN = 1 << 1, + FRAMEFLAGS_ALTREF = 1 << 2, +} FRAMETYPE_FLAGS; + +typedef enum { + NO_AQ = 0, + VARIANCE_AQ = 1, + COMPLEXITY_AQ = 2, + CYCLIC_REFRESH_AQ = 3, + AQ_MODE_COUNT // This should always be the last member of the enum +} AQ_MODE; + +typedef enum { + RESIZE_NONE = 0, // No frame resizing allowed (except for SVC). + RESIZE_FIXED = 1, // All frames are coded at the specified dimension. + RESIZE_DYNAMIC = 2 // Coded size of each frame is determined by the codec. +} RESIZE_TYPE; + +typedef struct VP9EncoderConfig { + BITSTREAM_PROFILE profile; + vpx_bit_depth_t bit_depth; // Codec bit-depth. + int width; // width of data passed to the compressor + int height; // height of data passed to the compressor + unsigned int input_bit_depth; // Input bit depth. + double init_framerate; // set to passed in framerate + int64_t target_bandwidth; // bandwidth to be used in kilobits per second + + int noise_sensitivity; // pre processing blur: recommendation 0 + int sharpness; // sharpening output: recommendation 0: + int speed; + // maximum allowed bitrate for any intra frame in % of bitrate target. + unsigned int rc_max_intra_bitrate_pct; + // maximum allowed bitrate for any inter frame in % of bitrate target. + unsigned int rc_max_inter_bitrate_pct; + // percent of rate boost for golden frame in CBR mode. + unsigned int gf_cbr_boost_pct; + + MODE mode; + int pass; + + // Key Framing Operations + int auto_key; // autodetect cut scenes and set the keyframes + int key_freq; // maximum distance to key frame. + + int lag_in_frames; // how many frames lag before we start encoding + + // ---------------------------------------------------------------- + // DATARATE CONTROL OPTIONS + + // vbr, cbr, constrained quality or constant quality + enum vpx_rc_mode rc_mode; + + // buffer targeting aggressiveness + int under_shoot_pct; + int over_shoot_pct; + + // buffering parameters + int64_t starting_buffer_level_ms; + int64_t optimal_buffer_level_ms; + int64_t maximum_buffer_size_ms; + + // Frame drop threshold. + int drop_frames_water_mark; + + // controlling quality + int fixed_q; + int worst_allowed_q; + int best_allowed_q; + int cq_level; + AQ_MODE aq_mode; // Adaptive Quantization mode + + // Internal frame size scaling. + RESIZE_TYPE resize_mode; + int scaled_frame_width; + int scaled_frame_height; + + // Enable feature to reduce the frame quantization every x frames. + int frame_periodic_boost; + + // two pass datarate control + int two_pass_vbrbias; // two pass datarate control tweaks + int two_pass_vbrmin_section; + int two_pass_vbrmax_section; + // END DATARATE CONTROL OPTIONS + // ---------------------------------------------------------------- + + // Spatial and temporal scalability. + int ss_number_layers; // Number of spatial layers. + int ts_number_layers; // Number of temporal layers. + // Bitrate allocation for spatial layers. + int layer_target_bitrate[VPX_MAX_LAYERS]; + int ss_target_bitrate[VPX_SS_MAX_LAYERS]; + int ss_enable_auto_arf[VPX_SS_MAX_LAYERS]; + // Bitrate allocation (CBR mode) and framerate factor, for temporal layers. + int ts_rate_decimator[VPX_TS_MAX_LAYERS]; + + int enable_auto_arf; + + int encode_breakout; // early breakout : for video conf recommend 800 + + /* Bitfield defining the error resiliency features to enable. + * Can provide decodable frames after losses in previous + * frames and decodable partitions after losses in the same frame. + */ + unsigned int error_resilient_mode; + + /* Bitfield defining the parallel decoding mode where the + * decoding in successive frames may be conducted in parallel + * just by decoding the frame headers. + */ + unsigned int frame_parallel_decoding_mode; + + int arnr_max_frames; + int arnr_strength; + + int tile_columns; + int tile_rows; + + int max_threads; + + vpx_fixed_buf_t two_pass_stats_in; + struct vpx_codec_pkt_list *output_pkt_list; + +#if CONFIG_FP_MB_STATS + vpx_fixed_buf_t firstpass_mb_stats_in; +#endif + + vp8e_tuning tuning; + vp9e_tune_content content; +#if CONFIG_VP9_HIGHBITDEPTH + int use_highbitdepth; +#endif + vpx_color_space_t color_space; + VP9E_TEMPORAL_LAYERING_MODE temporal_layering_mode; +} VP9EncoderConfig; + +static INLINE int is_lossless_requested(const VP9EncoderConfig *cfg) { + return cfg->best_allowed_q == 0 && cfg->worst_allowed_q == 0; +} + +// TODO(jingning) All spatially adaptive variables should go to TileDataEnc. +typedef struct TileDataEnc { + TileInfo tile_info; + int thresh_freq_fact[BLOCK_SIZES][MAX_MODES]; + int mode_map[BLOCK_SIZES][MAX_MODES]; +} TileDataEnc; + +typedef struct RD_COUNTS { + vp9_coeff_count coef_counts[TX_SIZES][PLANE_TYPES]; + int64_t comp_pred_diff[REFERENCE_MODES]; + int64_t tx_select_diff[TX_MODES]; + int64_t filter_diff[SWITCHABLE_FILTER_CONTEXTS]; +} RD_COUNTS; + +typedef struct ThreadData { + MACROBLOCK mb; + RD_COUNTS rd_counts; + FRAME_COUNTS *counts; + + PICK_MODE_CONTEXT *leaf_tree; + PC_TREE *pc_tree; + PC_TREE *pc_root; +} ThreadData; + +struct EncWorkerData; + +typedef struct ActiveMap { + int enabled; + int update; + unsigned char *map; +} ActiveMap; + +typedef enum { + Y, + U, + V, + ALL +} STAT_TYPE; + +typedef struct IMAGE_STAT { + double stat[ALL+1]; + double worst; +} ImageStat; + +typedef struct VP9_COMP { + QUANTS quants; + ThreadData td; + DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]); + VP9_COMMON common; + VP9EncoderConfig oxcf; + struct lookahead_ctx *lookahead; + struct lookahead_entry *alt_ref_source; + + YV12_BUFFER_CONFIG *Source; + YV12_BUFFER_CONFIG *Last_Source; // NULL for first frame and alt_ref frames + YV12_BUFFER_CONFIG *un_scaled_source; + YV12_BUFFER_CONFIG scaled_source; + YV12_BUFFER_CONFIG *unscaled_last_source; + YV12_BUFFER_CONFIG scaled_last_source; + + TileDataEnc *tile_data; + + // For a still frame, this flag is set to 1 to skip partition search. + int partition_search_skippable_frame; + + int scaled_ref_idx[MAX_REF_FRAMES]; + int lst_fb_idx; + int gld_fb_idx; + int alt_fb_idx; + + int refresh_last_frame; + int refresh_golden_frame; + int refresh_alt_ref_frame; + + int ext_refresh_frame_flags_pending; + int ext_refresh_last_frame; + int ext_refresh_golden_frame; + int ext_refresh_alt_ref_frame; + + int ext_refresh_frame_context_pending; + int ext_refresh_frame_context; + + YV12_BUFFER_CONFIG last_frame_uf; + + TOKENEXTRA *tile_tok[4][1 << 6]; + unsigned int tok_count[4][1 << 6]; + + // Ambient reconstruction err target for force key frames + int64_t ambient_err; + + RD_OPT rd; + + CODING_CONTEXT coding_context; + + int *nmvcosts[2]; + int *nmvcosts_hp[2]; + int *nmvsadcosts[2]; + int *nmvsadcosts_hp[2]; + + int64_t last_time_stamp_seen; + int64_t last_end_time_stamp_seen; + int64_t first_time_stamp_ever; + + RATE_CONTROL rc; + double framerate; + + int interp_filter_selected[MAX_REF_FRAMES][SWITCHABLE]; + + struct vpx_codec_pkt_list *output_pkt_list; + + MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS]; + int mbgraph_n_frames; // number of frames filled in the above + int static_mb_pct; // % forced skip mbs by segmentation + int ref_frame_flags; + + SPEED_FEATURES sf; + + unsigned int max_mv_magnitude; + int mv_step_param; + + int allow_comp_inter_inter; + + // Default value is 1. From first pass stats, encode_breakout may be disabled. + ENCODE_BREAKOUT_TYPE allow_encode_breakout; + + // Get threshold from external input. A suggested threshold is 800 for HD + // clips, and 300 for < HD clips. + int encode_breakout; + + unsigned char *segmentation_map; + + // segment threashold for encode breakout + int segment_encode_breakout[MAX_SEGMENTS]; + + CYCLIC_REFRESH *cyclic_refresh; + ActiveMap active_map; + + fractional_mv_step_fp *find_fractional_mv_step; + vp9_full_search_fn_t full_search_sad; + vp9_diamond_search_fn_t diamond_search_sad; + vp9_variance_fn_ptr_t fn_ptr[BLOCK_SIZES]; + uint64_t time_receive_data; + uint64_t time_compress_data; + uint64_t time_pick_lpf; + uint64_t time_encode_sb_row; + +#if CONFIG_FP_MB_STATS + int use_fp_mb_stats; +#endif + + TWO_PASS twopass; + + YV12_BUFFER_CONFIG alt_ref_buffer; + + +#if CONFIG_INTERNAL_STATS + unsigned int mode_chosen_counts[MAX_MODES]; + + int count; + uint64_t total_sq_error; + uint64_t total_samples; + ImageStat psnr; + + uint64_t totalp_sq_error; + uint64_t totalp_samples; + ImageStat psnrp; + + double total_blockiness; + double worst_blockiness; + + int bytes; + double summed_quality; + double summed_weights; + double summedp_quality; + double summedp_weights; + unsigned int tot_recode_hits; + double worst_ssim; + + ImageStat ssimg; + ImageStat fastssim; + ImageStat psnrhvs; + + int b_calculate_ssimg; + int b_calculate_blockiness; + + int b_calculate_consistency; + + double total_inconsistency; + double worst_consistency; + Ssimv *ssim_vars; + Metrics metrics; +#endif + int b_calculate_psnr; + + int droppable; + + int initial_width; + int initial_height; + int initial_mbs; // Number of MBs in the full-size frame; to be used to + // normalize the firstpass stats. This will differ from the + // number of MBs in the current frame when the frame is + // scaled. + + int use_svc; + + SVC svc; + + // Store frame variance info in SOURCE_VAR_BASED_PARTITION search type. + diff *source_diff_var; + // The threshold used in SOURCE_VAR_BASED_PARTITION search type. + unsigned int source_var_thresh; + int frames_till_next_var_check; + + int frame_flags; + + search_site_config ss_cfg; + + int mbmode_cost[INTRA_MODES]; + unsigned int inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES]; + int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES]; + int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES]; + int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS]; + int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES]; + + int multi_arf_allowed; + int multi_arf_enabled; + int multi_arf_last_grp_enabled; + +#if CONFIG_VP9_TEMPORAL_DENOISING + VP9_DENOISER denoiser; +#endif + + int resize_pending; + + // VAR_BASED_PARTITION thresholds + // 0 - threshold_64x64; 1 - threshold_32x32; + // 2 - threshold_16x16; 3 - vbp_threshold_8x8; + int64_t vbp_thresholds[4]; + int64_t vbp_threshold_minmax; + int64_t vbp_threshold_sad; + BLOCK_SIZE vbp_bsize_min; + + // Multi-threading + int num_workers; + VP9Worker *workers; + struct EncWorkerData *tile_thr_data; + VP9LfSync lf_row_sync; +} VP9_COMP; + +void vp9_initialize_enc(void); + +struct VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf, + BufferPool *const pool); +void vp9_remove_compressor(VP9_COMP *cpi); + +void vp9_change_config(VP9_COMP *cpi, const VP9EncoderConfig *oxcf); + + // receive a frames worth of data. caller can assume that a copy of this + // frame is made and not just a copy of the pointer.. +int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags, + YV12_BUFFER_CONFIG *sd, int64_t time_stamp, + int64_t end_time_stamp); + +int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags, + size_t *size, uint8_t *dest, + int64_t *time_stamp, int64_t *time_end, int flush); + +int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest, + vp9_ppflags_t *flags); + +int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags); + +void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags); + +int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag, + YV12_BUFFER_CONFIG *sd); + +int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag, + YV12_BUFFER_CONFIG *sd); + +int vp9_update_entropy(VP9_COMP *cpi, int update); + +int vp9_set_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols); + +int vp9_get_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols); + +int vp9_set_internal_size(VP9_COMP *cpi, + VPX_SCALING horiz_mode, VPX_SCALING vert_mode); + +int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width, + unsigned int height); + +void vp9_set_svc(VP9_COMP *cpi, int use_svc); + +int vp9_get_quantizer(struct VP9_COMP *cpi); + +static INLINE int frame_is_kf_gf_arf(const VP9_COMP *cpi) { + return frame_is_intra_only(&cpi->common) || + cpi->refresh_alt_ref_frame || + (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref); +} + +static INLINE int get_ref_frame_map_idx(const VP9_COMP *cpi, + MV_REFERENCE_FRAME ref_frame) { + if (ref_frame == LAST_FRAME) { + return cpi->lst_fb_idx; + } else if (ref_frame == GOLDEN_FRAME) { + return cpi->gld_fb_idx; + } else { + return cpi->alt_fb_idx; + } +} + +static INLINE int get_ref_frame_buf_idx(const VP9_COMP *const cpi, + int ref_frame) { + const VP9_COMMON *const cm = &cpi->common; + const int map_idx = get_ref_frame_map_idx(cpi, ref_frame); + return (map_idx != INVALID_IDX) ? cm->ref_frame_map[map_idx] : INVALID_IDX; +} + +static INLINE YV12_BUFFER_CONFIG *get_ref_frame_buffer( + VP9_COMP *cpi, MV_REFERENCE_FRAME ref_frame) { + VP9_COMMON *const cm = &cpi->common; + const int buf_idx = get_ref_frame_buf_idx(cpi, ref_frame); + return + buf_idx != INVALID_IDX ? &cm->buffer_pool->frame_bufs[buf_idx].buf : NULL; +} + +static INLINE int get_token_alloc(int mb_rows, int mb_cols) { + // TODO(JBB): double check we can't exceed this token count if we have a + // 32x32 transform crossing a boundary at a multiple of 16. + // mb_rows, cols are in units of 16 pixels. We assume 3 planes all at full + // resolution. We assume up to 1 token per pixel, and then allow + // a head room of 4. + return mb_rows * mb_cols * (16 * 16 * 3 + 4); +} + +// Get the allocated token size for a tile. It does the same calculation as in +// the frame token allocation. +static INLINE int allocated_tokens(TileInfo tile) { + int tile_mb_rows = (tile.mi_row_end - tile.mi_row_start + 1) >> 1; + int tile_mb_cols = (tile.mi_col_end - tile.mi_col_start + 1) >> 1; + + return get_token_alloc(tile_mb_rows, tile_mb_cols); +} + +int64_t vp9_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b); +#if CONFIG_VP9_HIGHBITDEPTH +int64_t vp9_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a, + const YV12_BUFFER_CONFIG *b); +#endif // CONFIG_VP9_HIGHBITDEPTH + +void vp9_alloc_compressor_data(VP9_COMP *cpi); + +void vp9_scale_references(VP9_COMP *cpi); + +void vp9_update_reference_frames(VP9_COMP *cpi); + +void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv); + +YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm, + YV12_BUFFER_CONFIG *unscaled, + YV12_BUFFER_CONFIG *scaled); + +void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags); + +static INLINE int is_two_pass_svc(const struct VP9_COMP *const cpi) { + return cpi->use_svc && cpi->oxcf.pass != 0; +} + +static INLINE int is_one_pass_cbr_svc(const struct VP9_COMP *const cpi) { + return (cpi->use_svc && cpi->oxcf.pass == 0); +} + +static INLINE int is_altref_enabled(const VP9_COMP *const cpi) { + return cpi->oxcf.mode != REALTIME && cpi->oxcf.lag_in_frames > 0 && + (cpi->oxcf.enable_auto_arf && + (!is_two_pass_svc(cpi) || + cpi->oxcf.ss_enable_auto_arf[cpi->svc.spatial_layer_id])); +} + +static INLINE void set_ref_ptrs(VP9_COMMON *cm, MACROBLOCKD *xd, + MV_REFERENCE_FRAME ref0, + MV_REFERENCE_FRAME ref1) { + xd->block_refs[0] = &cm->frame_refs[ref0 >= LAST_FRAME ? ref0 - LAST_FRAME + : 0]; + xd->block_refs[1] = &cm->frame_refs[ref1 >= LAST_FRAME ? ref1 - LAST_FRAME + : 0]; +} + +static INLINE int get_chessboard_index(const int frame_index) { + return frame_index & 0x1; +} + +static INLINE int *cond_cost_list(const struct VP9_COMP *cpi, int *cost_list) { + return cpi->sf.mv.subpel_search_method != SUBPEL_TREE ? cost_list : NULL; +} + +void vp9_new_framerate(VP9_COMP *cpi, double framerate); + +#define LAYER_IDS_TO_IDX(sl, tl, num_tl) ((sl) * (num_tl) + (tl)) + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP9_ENCODER_VP9_ENCODER_H_ |