532 lines
15 KiB
C
532 lines
15 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_ENCODER_H_
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#define VP9_ENCODER_VP9_ENCODER_H_
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#include <stdio.h>
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#include "./vpx_config.h"
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#include "vpx_ports/mem.h"
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#include "vpx/internal/vpx_codec_internal.h"
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#include "vpx/vp8cx.h"
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#include "vp9/common/vp9_ppflags.h"
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#include "vp9/common/vp9_entropy.h"
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#include "vp9/common/vp9_entropymode.h"
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#include "vp9/common/vp9_onyxc_int.h"
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#include "vp9/encoder/vp9_aq_cyclicrefresh.h"
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#include "vp9/encoder/vp9_context_tree.h"
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#include "vp9/encoder/vp9_encodemb.h"
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#include "vp9/encoder/vp9_firstpass.h"
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#include "vp9/encoder/vp9_lookahead.h"
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#include "vp9/encoder/vp9_mbgraph.h"
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#include "vp9/encoder/vp9_mcomp.h"
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#include "vp9/encoder/vp9_quantize.h"
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#include "vp9/encoder/vp9_ratectrl.h"
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#include "vp9/encoder/vp9_rd.h"
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#include "vp9/encoder/vp9_speed_features.h"
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#include "vp9/encoder/vp9_svc_layercontext.h"
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#include "vp9/encoder/vp9_tokenize.h"
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#include "vp9/encoder/vp9_variance.h"
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#if CONFIG_VP9_TEMPORAL_DENOISING
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#include "vp9/encoder/vp9_denoiser.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DEFAULT_GF_INTERVAL 10
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typedef struct {
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int nmvjointcost[MV_JOINTS];
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int nmvcosts[2][MV_VALS];
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int nmvcosts_hp[2][MV_VALS];
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vp9_prob segment_pred_probs[PREDICTION_PROBS];
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unsigned char *last_frame_seg_map_copy;
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// 0 = Intra, Last, GF, ARF
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signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];
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// 0 = ZERO_MV, MV
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signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];
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FRAME_CONTEXT fc;
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} CODING_CONTEXT;
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typedef enum {
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// encode_breakout is disabled.
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ENCODE_BREAKOUT_DISABLED = 0,
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// encode_breakout is enabled.
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ENCODE_BREAKOUT_ENABLED = 1,
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// encode_breakout is enabled with small max_thresh limit.
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ENCODE_BREAKOUT_LIMITED = 2
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} ENCODE_BREAKOUT_TYPE;
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typedef enum {
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NORMAL = 0,
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FOURFIVE = 1,
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THREEFIVE = 2,
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ONETWO = 3
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} VPX_SCALING;
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typedef enum {
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// Good Quality Fast Encoding. The encoder balances quality with the amount of
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// time it takes to encode the output. Speed setting controls how fast.
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GOOD,
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// The encoder places priority on the quality of the output over encoding
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// speed. The output is compressed at the highest possible quality. This
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// option takes the longest amount of time to encode. Speed setting ignored.
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BEST,
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// Realtime/Live Encoding. This mode is optimized for realtime encoding (for
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// example, capturing a television signal or feed from a live camera). Speed
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// setting controls how fast.
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REALTIME
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} MODE;
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typedef enum {
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FRAMEFLAGS_KEY = 1 << 0,
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FRAMEFLAGS_GOLDEN = 1 << 1,
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FRAMEFLAGS_ALTREF = 1 << 2,
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} FRAMETYPE_FLAGS;
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typedef enum {
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NO_AQ = 0,
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VARIANCE_AQ = 1,
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COMPLEXITY_AQ = 2,
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CYCLIC_REFRESH_AQ = 3,
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AQ_MODE_COUNT // This should always be the last member of the enum
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} AQ_MODE;
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typedef struct VP9EncoderConfig {
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BITSTREAM_PROFILE profile;
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BIT_DEPTH bit_depth;
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int width; // width of data passed to the compressor
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int height; // height of data passed to the compressor
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double init_framerate; // set to passed in framerate
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int64_t target_bandwidth; // bandwidth to be used in kilobits per second
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int noise_sensitivity; // pre processing blur: recommendation 0
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int sharpness; // sharpening output: recommendation 0:
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int speed;
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unsigned int rc_max_intra_bitrate_pct;
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MODE mode;
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int pass;
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// Key Framing Operations
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int auto_key; // autodetect cut scenes and set the keyframes
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int key_freq; // maximum distance to key frame.
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int lag_in_frames; // how many frames lag before we start encoding
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// ----------------------------------------------------------------
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// DATARATE CONTROL OPTIONS
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// vbr, cbr, constrained quality or constant quality
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enum vpx_rc_mode rc_mode;
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// buffer targeting aggressiveness
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int under_shoot_pct;
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int over_shoot_pct;
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// buffering parameters
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int64_t starting_buffer_level_ms;
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int64_t optimal_buffer_level_ms;
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int64_t maximum_buffer_size_ms;
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// Frame drop threshold.
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int drop_frames_water_mark;
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// controlling quality
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int fixed_q;
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int worst_allowed_q;
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int best_allowed_q;
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int cq_level;
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AQ_MODE aq_mode; // Adaptive Quantization mode
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// Internal frame size scaling.
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int allow_spatial_resampling;
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int scaled_frame_width;
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int scaled_frame_height;
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// Enable feature to reduce the frame quantization every x frames.
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int frame_periodic_boost;
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// two pass datarate control
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int two_pass_vbrbias; // two pass datarate control tweaks
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int two_pass_vbrmin_section;
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int two_pass_vbrmax_section;
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// END DATARATE CONTROL OPTIONS
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// ----------------------------------------------------------------
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// Spatial and temporal scalability.
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int ss_number_layers; // Number of spatial layers.
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int ts_number_layers; // Number of temporal layers.
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// Bitrate allocation for spatial layers.
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int ss_target_bitrate[VPX_SS_MAX_LAYERS];
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int ss_play_alternate[VPX_SS_MAX_LAYERS];
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// Bitrate allocation (CBR mode) and framerate factor, for temporal layers.
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int ts_target_bitrate[VPX_TS_MAX_LAYERS];
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int ts_rate_decimator[VPX_TS_MAX_LAYERS];
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// these parameters aren't to be used in final build don't use!!!
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int play_alternate;
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int encode_breakout; // early breakout : for video conf recommend 800
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/* Bitfield defining the error resiliency features to enable.
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* Can provide decodable frames after losses in previous
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* frames and decodable partitions after losses in the same frame.
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*/
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unsigned int error_resilient_mode;
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/* Bitfield defining the parallel decoding mode where the
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* decoding in successive frames may be conducted in parallel
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* just by decoding the frame headers.
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*/
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unsigned int frame_parallel_decoding_mode;
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int arnr_max_frames;
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int arnr_strength;
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int tile_columns;
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int tile_rows;
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vpx_fixed_buf_t two_pass_stats_in;
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struct vpx_codec_pkt_list *output_pkt_list;
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#if CONFIG_FP_MB_STATS
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vpx_fixed_buf_t firstpass_mb_stats_in;
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#endif
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vp8e_tuning tuning;
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vp9e_tune_content content;
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} VP9EncoderConfig;
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static INLINE int is_lossless_requested(const VP9EncoderConfig *cfg) {
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return cfg->best_allowed_q == 0 && cfg->worst_allowed_q == 0;
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}
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typedef struct VP9_COMP {
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QUANTS quants;
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MACROBLOCK mb;
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VP9_COMMON common;
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VP9EncoderConfig oxcf;
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struct lookahead_ctx *lookahead;
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struct lookahead_entry *alt_ref_source;
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YV12_BUFFER_CONFIG *Source;
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YV12_BUFFER_CONFIG *Last_Source; // NULL for first frame and alt_ref frames
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YV12_BUFFER_CONFIG *un_scaled_source;
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YV12_BUFFER_CONFIG scaled_source;
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YV12_BUFFER_CONFIG *unscaled_last_source;
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YV12_BUFFER_CONFIG scaled_last_source;
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int skippable_frame;
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int scaled_ref_idx[3];
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int lst_fb_idx;
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int gld_fb_idx;
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int alt_fb_idx;
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int refresh_last_frame;
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int refresh_golden_frame;
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int refresh_alt_ref_frame;
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int ext_refresh_frame_flags_pending;
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int ext_refresh_last_frame;
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int ext_refresh_golden_frame;
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int ext_refresh_alt_ref_frame;
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int ext_refresh_frame_context_pending;
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int ext_refresh_frame_context;
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YV12_BUFFER_CONFIG last_frame_uf;
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TOKENEXTRA *tok;
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unsigned int tok_count[4][1 << 6];
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// Ambient reconstruction err target for force key frames
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int ambient_err;
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RD_OPT rd;
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CODING_CONTEXT coding_context;
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int *nmvcosts[2];
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int *nmvcosts_hp[2];
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int *nmvsadcosts[2];
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int *nmvsadcosts_hp[2];
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int zbin_mode_boost;
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int zbin_mode_boost_enabled;
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int64_t last_time_stamp_seen;
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int64_t last_end_time_stamp_seen;
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int64_t first_time_stamp_ever;
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RATE_CONTROL rc;
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double framerate;
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vp9_coeff_count coef_counts[TX_SIZES][PLANE_TYPES];
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int interp_filter_selected[MAX_REF_FRAMES][SWITCHABLE];
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struct vpx_codec_pkt_list *output_pkt_list;
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MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS];
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int mbgraph_n_frames; // number of frames filled in the above
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int static_mb_pct; // % forced skip mbs by segmentation
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int ref_frame_flags;
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SPEED_FEATURES sf;
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unsigned int max_mv_magnitude;
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int mv_step_param;
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// Default value is 1. From first pass stats, encode_breakout may be disabled.
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ENCODE_BREAKOUT_TYPE allow_encode_breakout;
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// Get threshold from external input. A suggested threshold is 800 for HD
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// clips, and 300 for < HD clips.
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int encode_breakout;
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unsigned char *segmentation_map;
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// segment threashold for encode breakout
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int segment_encode_breakout[MAX_SEGMENTS];
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unsigned char *complexity_map;
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CYCLIC_REFRESH *cyclic_refresh;
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fractional_mv_step_fp *find_fractional_mv_step;
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vp9_full_search_fn_t full_search_sad;
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vp9_refining_search_fn_t refining_search_sad;
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vp9_diamond_search_fn_t diamond_search_sad;
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vp9_variance_fn_ptr_t fn_ptr[BLOCK_SIZES];
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uint64_t time_receive_data;
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uint64_t time_compress_data;
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uint64_t time_pick_lpf;
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uint64_t time_encode_sb_row;
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#if CONFIG_FP_MB_STATS
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int use_fp_mb_stats;
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#endif
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TWO_PASS twopass;
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YV12_BUFFER_CONFIG alt_ref_buffer;
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YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS];
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#if CONFIG_INTERNAL_STATS
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unsigned int mode_chosen_counts[MAX_MODES];
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int count;
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double total_y;
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double total_u;
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double total_v;
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double total;
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uint64_t total_sq_error;
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uint64_t total_samples;
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double totalp_y;
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double totalp_u;
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double totalp_v;
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double totalp;
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uint64_t totalp_sq_error;
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uint64_t totalp_samples;
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int bytes;
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double summed_quality;
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double summed_weights;
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double summedp_quality;
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double summedp_weights;
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unsigned int tot_recode_hits;
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double total_ssimg_y;
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double total_ssimg_u;
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double total_ssimg_v;
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double total_ssimg_all;
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int b_calculate_ssimg;
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#endif
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int b_calculate_psnr;
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int droppable;
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int initial_width;
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int initial_height;
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int use_svc;
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SVC svc;
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// Store frame variance info in SOURCE_VAR_BASED_PARTITION search type.
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diff *source_diff_var;
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// The threshold used in SOURCE_VAR_BASED_PARTITION search type.
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unsigned int source_var_thresh;
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int frames_till_next_var_check;
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int frame_flags;
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search_site_config ss_cfg;
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int mbmode_cost[INTRA_MODES];
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unsigned int inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
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int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES];
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int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
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int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
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PICK_MODE_CONTEXT *leaf_tree;
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PC_TREE *pc_tree;
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PC_TREE *pc_root;
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int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
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int multi_arf_allowed;
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int multi_arf_enabled;
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int multi_arf_last_grp_enabled;
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#if CONFIG_VP9_TEMPORAL_DENOISING
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VP9_DENOISER denoiser;
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#endif
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} VP9_COMP;
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void vp9_initialize_enc();
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struct VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf);
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void vp9_remove_compressor(VP9_COMP *cpi);
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void vp9_change_config(VP9_COMP *cpi, const VP9EncoderConfig *oxcf);
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// receive a frames worth of data. caller can assume that a copy of this
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// frame is made and not just a copy of the pointer..
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int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags,
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YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
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int64_t end_time_stamp);
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int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags,
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size_t *size, uint8_t *dest,
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int64_t *time_stamp, int64_t *time_end, int flush);
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int vp9_get_preview_raw_frame(VP9_COMP *cpi, YV12_BUFFER_CONFIG *dest,
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vp9_ppflags_t *flags);
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int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags);
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void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags);
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int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
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YV12_BUFFER_CONFIG *sd);
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int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag,
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YV12_BUFFER_CONFIG *sd);
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int vp9_update_entropy(VP9_COMP *cpi, int update);
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int vp9_set_active_map(VP9_COMP *cpi, unsigned char *map, int rows, int cols);
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int vp9_set_internal_size(VP9_COMP *cpi,
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VPX_SCALING horiz_mode, VPX_SCALING vert_mode);
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int vp9_set_size_literal(VP9_COMP *cpi, unsigned int width,
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unsigned int height);
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void vp9_set_svc(VP9_COMP *cpi, int use_svc);
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int vp9_get_quantizer(struct VP9_COMP *cpi);
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static INLINE int get_ref_frame_idx(const VP9_COMP *cpi,
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MV_REFERENCE_FRAME ref_frame) {
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if (ref_frame == LAST_FRAME) {
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return cpi->lst_fb_idx;
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} else if (ref_frame == GOLDEN_FRAME) {
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return cpi->gld_fb_idx;
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} else {
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return cpi->alt_fb_idx;
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}
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}
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static INLINE YV12_BUFFER_CONFIG *get_ref_frame_buffer(
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VP9_COMP *cpi, MV_REFERENCE_FRAME ref_frame) {
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VP9_COMMON * const cm = &cpi->common;
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return &cm->frame_bufs[cm->ref_frame_map[get_ref_frame_idx(cpi, ref_frame)]]
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.buf;
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}
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static INLINE int get_token_alloc(int mb_rows, int mb_cols) {
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// TODO(JBB): double check we can't exceed this token count if we have a
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// 32x32 transform crossing a boundary at a multiple of 16.
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// mb_rows, cols are in units of 16 pixels. We assume 3 planes all at full
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// resolution. We assume up to 1 token per pixel, and then allow
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// a head room of 4.
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return mb_rows * mb_cols * (16 * 16 * 3 + 4);
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}
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int vp9_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
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void vp9_alloc_compressor_data(VP9_COMP *cpi);
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void vp9_scale_references(VP9_COMP *cpi);
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void vp9_update_reference_frames(VP9_COMP *cpi);
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void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv);
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YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm,
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YV12_BUFFER_CONFIG *unscaled,
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YV12_BUFFER_CONFIG *scaled);
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void vp9_apply_encoding_flags(VP9_COMP *cpi, vpx_enc_frame_flags_t flags);
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static INLINE int is_spatial_svc(const struct VP9_COMP *const cpi) {
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return cpi->use_svc &&
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cpi->svc.number_temporal_layers == 1 &&
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cpi->svc.number_spatial_layers > 1;
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}
|
|
|
|
static INLINE int is_altref_enabled(const VP9_COMP *const cpi) {
|
|
return cpi->oxcf.mode != REALTIME && cpi->oxcf.lag_in_frames > 0 &&
|
|
(cpi->oxcf.play_alternate &&
|
|
(!is_spatial_svc(cpi) ||
|
|
cpi->oxcf.ss_play_alternate[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_sad_list(const struct VP9_COMP *cpi, int *sad_list) {
|
|
return cpi->sf.mv.subpel_search_method != SUBPEL_TREE ? sad_list : NULL;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // VP9_ENCODER_VP9_ENCODER_H_
|