23ebacdb81
Note: This feature is still in development. Add an option for the encoder to decide the resolution at which to encode each frame. Each KF/GF/ARF goup is tested to see if it would be better encoded at a lower resolution. At present, each KF/GF/ARF is coded first at full-size and if the coded size exceeds a threshold (twice target data rate) at the maximum active Q then the entire group is encoded at lower resolution. This feature is enabled in vpxenc by setting: --resize-allowed=1 In addition, if the vpxenc command line also specifies valid frame dimensions using: --resize-width=XXXX & --resize_height=YYYY then *all* frames will be encoded at this resolution. Change-Id: I13f341e0a82512f9e84e144e0f3b5aed8a65402b
153 lines
3.9 KiB
C
153 lines
3.9 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_VP9_FIRSTPASS_H_
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#define VP9_ENCODER_VP9_FIRSTPASS_H_
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#include "vp9/encoder/vp9_lookahead.h"
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#include "vp9/encoder/vp9_ratectrl.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if CONFIG_FP_MB_STATS
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#define FPMB_DCINTRA_MASK 0x01
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#define FPMB_MOTION_ZERO_MASK 0x02
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#define FPMB_MOTION_LEFT_MASK 0x04
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#define FPMB_MOTION_RIGHT_MASK 0x08
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#define FPMB_MOTION_UP_MASK 0x10
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#define FPMB_MOTION_DOWN_MASK 0x20
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#define FPMB_ERROR_SMALL_MASK 0x40
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#define FPMB_ERROR_LARGE_MASK 0x80
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#define FPMB_ERROR_SMALL_TH 2000
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#define FPMB_ERROR_LARGE_TH 48000
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typedef struct {
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uint8_t *mb_stats_start;
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uint8_t *mb_stats_end;
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} FIRSTPASS_MB_STATS;
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#endif
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#define VLOW_MOTION_THRESHOLD 950
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typedef struct {
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double frame;
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double weight;
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double intra_error;
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double coded_error;
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double sr_coded_error;
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double pcnt_inter;
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double pcnt_motion;
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double pcnt_second_ref;
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double pcnt_neutral;
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double MVr;
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double mvr_abs;
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double MVc;
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double mvc_abs;
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double MVrv;
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double MVcv;
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double mv_in_out_count;
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double new_mv_count;
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double duration;
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double count;
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int64_t spatial_layer_id;
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} FIRSTPASS_STATS;
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typedef enum {
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KF_UPDATE = 0,
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LF_UPDATE = 1,
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GF_UPDATE = 2,
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ARF_UPDATE = 3,
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OVERLAY_UPDATE = 4,
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FRAME_UPDATE_TYPES = 5
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} FRAME_UPDATE_TYPE;
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typedef struct {
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unsigned char index;
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RATE_FACTOR_LEVEL rf_level[(MAX_LAG_BUFFERS * 2) + 1];
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FRAME_UPDATE_TYPE update_type[(MAX_LAG_BUFFERS * 2) + 1];
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unsigned char arf_src_offset[(MAX_LAG_BUFFERS * 2) + 1];
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unsigned char arf_update_idx[(MAX_LAG_BUFFERS * 2) + 1];
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unsigned char arf_ref_idx[(MAX_LAG_BUFFERS * 2) + 1];
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int bit_allocation[(MAX_LAG_BUFFERS * 2) + 1];
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} GF_GROUP;
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typedef struct {
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unsigned int section_intra_rating;
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FIRSTPASS_STATS total_stats;
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FIRSTPASS_STATS this_frame_stats;
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const FIRSTPASS_STATS *stats_in;
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const FIRSTPASS_STATS *stats_in_start;
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const FIRSTPASS_STATS *stats_in_end;
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FIRSTPASS_STATS total_left_stats;
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int first_pass_done;
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int64_t bits_left;
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double modified_error_min;
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double modified_error_max;
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double modified_error_left;
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double mb_av_energy;
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#if CONFIG_FP_MB_STATS
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uint8_t *frame_mb_stats_buf;
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uint8_t *this_frame_mb_stats;
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FIRSTPASS_MB_STATS firstpass_mb_stats;
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#endif
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// Projected total bits available for a key frame group of frames
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int64_t kf_group_bits;
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// Error score of frames still to be coded in kf group
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int64_t kf_group_error_left;
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// The fraction for a kf groups total bits allocated to the inter frames
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double kfgroup_inter_fraction;
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int sr_update_lag;
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int kf_zeromotion_pct;
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int last_kfgroup_zeromotion_pct;
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int gf_zeromotion_pct;
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int active_worst_quality;
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int baseline_active_worst_quality;
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int extend_minq;
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int extend_maxq;
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GF_GROUP gf_group;
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} TWO_PASS;
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struct VP9_COMP;
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void vp9_init_first_pass(struct VP9_COMP *cpi);
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void vp9_rc_get_first_pass_params(struct VP9_COMP *cpi);
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void vp9_first_pass(struct VP9_COMP *cpi, const struct lookahead_entry *source);
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void vp9_end_first_pass(struct VP9_COMP *cpi);
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void vp9_init_second_pass(struct VP9_COMP *cpi);
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void vp9_rc_get_second_pass_params(struct VP9_COMP *cpi);
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// Post encode update of the rate control parameters for 2-pass
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void vp9_twopass_postencode_update(struct VP9_COMP *cpi);
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void vp9_init_subsampling(struct VP9_COMP *cpi);
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void calculate_coded_size(struct VP9_COMP *cpi,
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int *scaled_frame_width,
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int *scaled_frame_height);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_VP9_FIRSTPASS_H_
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