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Diffstat (limited to 'third_party/aom/av1/encoder/firstpass.h')
| -rw-r--r-- | third_party/aom/av1/encoder/firstpass.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/firstpass.h b/third_party/aom/av1/encoder/firstpass.h new file mode 100644 index 000000000..db459cc22 --- /dev/null +++ b/third_party/aom/av1/encoder/firstpass.h @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#ifndef AV1_ENCODER_FIRSTPASS_H_ +#define AV1_ENCODER_FIRSTPASS_H_ + +#include "av1/encoder/lookahead.h" +#include "av1/encoder/ratectrl.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#if CONFIG_FP_MB_STATS + +#define FPMB_DCINTRA_MASK 0x01 + +#define FPMB_MOTION_ZERO_MASK 0x02 +#define FPMB_MOTION_LEFT_MASK 0x04 +#define FPMB_MOTION_RIGHT_MASK 0x08 +#define FPMB_MOTION_UP_MASK 0x10 +#define FPMB_MOTION_DOWN_MASK 0x20 + +#define FPMB_ERROR_SMALL_MASK 0x40 +#define FPMB_ERROR_LARGE_MASK 0x80 +#define FPMB_ERROR_SMALL_TH 2000 +#define FPMB_ERROR_LARGE_TH 48000 + +typedef struct { + uint8_t *mb_stats_start; + uint8_t *mb_stats_end; +} FIRSTPASS_MB_STATS; +#endif + +#if CONFIG_EXT_REFS +// Length of the bi-predictive frame group (BFG) +// NOTE: Currently each BFG contains one backward ref (BWF) frame plus a certain +// number of bi-predictive frames. +#define BFG_INTERVAL 2 +// The maximum number of extra ALT_REF's +// NOTE: This number cannot be greater than 2 or the reference frame buffer will +// overflow. +#define MAX_EXT_ARFS 2 +#define MIN_EXT_ARF_INTERVAL 4 +#endif // CONFIG_EXT_REFS + +#define VLOW_MOTION_THRESHOLD 950 + +typedef struct { + double frame; + double weight; + double intra_error; + double coded_error; + double sr_coded_error; + double pcnt_inter; + double pcnt_motion; + double pcnt_second_ref; + double pcnt_neutral; + double intra_skip_pct; + double inactive_zone_rows; // Image mask rows top and bottom. + double inactive_zone_cols; // Image mask columns at left and right edges. + double MVr; + double mvr_abs; + double MVc; + double mvc_abs; + double MVrv; + double MVcv; + double mv_in_out_count; + double new_mv_count; + double duration; + double count; +} FIRSTPASS_STATS; + +typedef enum { + KF_UPDATE = 0, + LF_UPDATE = 1, + GF_UPDATE = 2, + ARF_UPDATE = 3, + OVERLAY_UPDATE = 4, +#if CONFIG_EXT_REFS + BRF_UPDATE = 5, // Backward Reference Frame + LAST_BIPRED_UPDATE = 6, // Last Bi-predictive Frame + BIPRED_UPDATE = 7, // Bi-predictive Frame, but not the last one + INTNL_OVERLAY_UPDATE = 8, // Internal Overlay Frame + FRAME_UPDATE_TYPES = 9 +#else + FRAME_UPDATE_TYPES = 5 +#endif // CONFIG_EXT_REFS +} FRAME_UPDATE_TYPE; + +#define FC_ANIMATION_THRESH 0.15 +typedef enum { + FC_NORMAL = 0, + FC_GRAPHICS_ANIMATION = 1, + FRAME_CONTENT_TYPES = 2 +} FRAME_CONTENT_TYPE; + +typedef struct { + unsigned char index; + RATE_FACTOR_LEVEL rf_level[(MAX_LAG_BUFFERS * 2) + 1]; + FRAME_UPDATE_TYPE update_type[(MAX_LAG_BUFFERS * 2) + 1]; + unsigned char arf_src_offset[(MAX_LAG_BUFFERS * 2) + 1]; + unsigned char arf_update_idx[(MAX_LAG_BUFFERS * 2) + 1]; + unsigned char arf_ref_idx[(MAX_LAG_BUFFERS * 2) + 1]; +#if CONFIG_EXT_REFS + unsigned char brf_src_offset[(MAX_LAG_BUFFERS * 2) + 1]; + unsigned char bidir_pred_enabled[(MAX_LAG_BUFFERS * 2) + 1]; +#endif // CONFIG_EXT_REFS + int bit_allocation[(MAX_LAG_BUFFERS * 2) + 1]; +} GF_GROUP; + +typedef struct { + unsigned int section_intra_rating; + FIRSTPASS_STATS total_stats; + FIRSTPASS_STATS this_frame_stats; + const FIRSTPASS_STATS *stats_in; + const FIRSTPASS_STATS *stats_in_start; + const FIRSTPASS_STATS *stats_in_end; + FIRSTPASS_STATS total_left_stats; + int first_pass_done; + int64_t bits_left; + double modified_error_min; + double modified_error_max; + double modified_error_left; + double mb_av_energy; + +#if CONFIG_FP_MB_STATS + uint8_t *frame_mb_stats_buf; + uint8_t *this_frame_mb_stats; + FIRSTPASS_MB_STATS firstpass_mb_stats; +#endif + // An indication of the content type of the current frame + FRAME_CONTENT_TYPE fr_content_type; + + // Projected total bits available for a key frame group of frames + int64_t kf_group_bits; + + // Error score of frames still to be coded in kf group + int64_t kf_group_error_left; + + // The fraction for a kf groups total bits allocated to the inter frames + double kfgroup_inter_fraction; + + int sr_update_lag; + + int kf_zeromotion_pct; + int last_kfgroup_zeromotion_pct; + int gf_zeromotion_pct; + int active_worst_quality; + int baseline_active_worst_quality; + int extend_minq; + int extend_maxq; + int extend_minq_fast; + + GF_GROUP gf_group; +} TWO_PASS; + +struct AV1_COMP; + +void av1_init_first_pass(struct AV1_COMP *cpi); +void av1_rc_get_first_pass_params(struct AV1_COMP *cpi); +void av1_first_pass(struct AV1_COMP *cpi, const struct lookahead_entry *source); +void av1_end_first_pass(struct AV1_COMP *cpi); + +void av1_init_second_pass(struct AV1_COMP *cpi); +void av1_rc_get_second_pass_params(struct AV1_COMP *cpi); +void av1_twopass_postencode_update(struct AV1_COMP *cpi); + +// Post encode update of the rate control parameters for 2-pass +void av1_twopass_postencode_update(struct AV1_COMP *cpi); + +void av1_init_subsampling(struct AV1_COMP *cpi); + +void av1_calculate_coded_size(struct AV1_COMP *cpi, int *scaled_frame_width, + int *scaled_frame_height); + +#if CONFIG_EXT_REFS +static INLINE int get_number_of_extra_arfs(int interval, int arf_pending) { + if (arf_pending && MAX_EXT_ARFS > 0) + return interval >= MIN_EXT_ARF_INTERVAL * (MAX_EXT_ARFS + 1) + ? MAX_EXT_ARFS + : interval >= MIN_EXT_ARF_INTERVAL * MAX_EXT_ARFS + ? MAX_EXT_ARFS - 1 + : 0; + else + return 0; +} +#endif // CONFIG_EXT_REFS + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AV1_ENCODER_FIRSTPASS_H_ |