ref: 5b63f0f821e94f8072eb483014cfc33b05978bb9
dir: /vp9/encoder/vp9_ext_ratectrl.c/
/*
* Copyright (c) 2020 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 "vp9/encoder/vp9_ext_ratectrl.h"
#include "vp9/encoder/vp9_encoder.h"
#include "vp9/common/vp9_common.h"
#include "vpx_dsp/psnr.h"
void vp9_extrc_init(EXT_RATECTRL *ext_ratectrl) { vp9_zero(*ext_ratectrl); }
void vp9_extrc_create(vpx_rc_funcs_t funcs, vpx_rc_config_t ratectrl_config,
EXT_RATECTRL *ext_ratectrl) {
vpx_rc_firstpass_stats_t *rc_firstpass_stats;
vp9_extrc_delete(ext_ratectrl);
ext_ratectrl->funcs = funcs;
ext_ratectrl->ratectrl_config = ratectrl_config;
ext_ratectrl->funcs.create_model(ext_ratectrl->funcs.priv,
&ext_ratectrl->ratectrl_config,
&ext_ratectrl->model);
rc_firstpass_stats = &ext_ratectrl->rc_firstpass_stats;
rc_firstpass_stats->num_frames = ratectrl_config.show_frame_count;
rc_firstpass_stats->frame_stats =
vpx_malloc(sizeof(*rc_firstpass_stats->frame_stats) *
rc_firstpass_stats->num_frames);
ext_ratectrl->ready = 1;
}
void vp9_extrc_delete(EXT_RATECTRL *ext_ratectrl) {
if (ext_ratectrl->ready) {
ext_ratectrl->funcs.delete_model(ext_ratectrl->model);
vpx_free(ext_ratectrl->rc_firstpass_stats.frame_stats);
}
vp9_extrc_init(ext_ratectrl);
}
static void gen_rc_firstpass_stats(const FIRSTPASS_STATS *stats,
vpx_rc_frame_stats_t *rc_frame_stats) {
rc_frame_stats->frame = stats->frame;
rc_frame_stats->weight = stats->weight;
rc_frame_stats->intra_error = stats->intra_error;
rc_frame_stats->coded_error = stats->coded_error;
rc_frame_stats->sr_coded_error = stats->sr_coded_error;
rc_frame_stats->frame_noise_energy = stats->frame_noise_energy;
rc_frame_stats->pcnt_inter = stats->pcnt_inter;
rc_frame_stats->pcnt_motion = stats->pcnt_motion;
rc_frame_stats->pcnt_second_ref = stats->pcnt_second_ref;
rc_frame_stats->pcnt_neutral = stats->pcnt_neutral;
rc_frame_stats->pcnt_intra_low = stats->pcnt_intra_low;
rc_frame_stats->pcnt_intra_high = stats->pcnt_intra_high;
rc_frame_stats->intra_skip_pct = stats->intra_skip_pct;
rc_frame_stats->intra_smooth_pct = stats->intra_smooth_pct;
rc_frame_stats->inactive_zone_rows = stats->inactive_zone_rows;
rc_frame_stats->inactive_zone_cols = stats->inactive_zone_cols;
rc_frame_stats->MVr = stats->MVr;
rc_frame_stats->mvr_abs = stats->mvr_abs;
rc_frame_stats->MVc = stats->MVc;
rc_frame_stats->mvc_abs = stats->mvc_abs;
rc_frame_stats->MVrv = stats->MVrv;
rc_frame_stats->MVcv = stats->MVcv;
rc_frame_stats->mv_in_out_count = stats->mv_in_out_count;
rc_frame_stats->duration = stats->duration;
rc_frame_stats->count = stats->count;
}
void vp9_extrc_send_firstpass_stats(EXT_RATECTRL *ext_ratectrl,
const FIRST_PASS_INFO *first_pass_info) {
if (ext_ratectrl->ready) {
vpx_rc_firstpass_stats_t *rc_firstpass_stats =
&ext_ratectrl->rc_firstpass_stats;
int i;
assert(rc_firstpass_stats->num_frames == first_pass_info->num_frames);
for (i = 0; i < rc_firstpass_stats->num_frames; ++i) {
gen_rc_firstpass_stats(&first_pass_info->stats[i],
&rc_firstpass_stats->frame_stats[i]);
}
ext_ratectrl->funcs.send_firstpass_stats(ext_ratectrl->model,
rc_firstpass_stats);
}
}
static int extrc_get_frame_type(FRAME_UPDATE_TYPE update_type) {
// TODO(angiebird): Add unit test to make sure this function behaves like
// get_frame_type_from_update_type()
// TODO(angiebird): Merge this function with get_frame_type_from_update_type()
switch (update_type) {
case KF_UPDATE: return 0; // kFrameTypeKey;
case ARF_UPDATE: return 2; // kFrameTypeAltRef;
case GF_UPDATE: return 4; // kFrameTypeGolden;
case OVERLAY_UPDATE: return 3; // kFrameTypeOverlay;
case LF_UPDATE: return 1; // kFrameTypeInter;
default:
fprintf(stderr, "Unsupported update_type %d\n", update_type);
abort();
return 1;
}
}
void vp9_extrc_get_encodeframe_decision(
EXT_RATECTRL *ext_ratectrl, int show_index, int coding_index,
FRAME_UPDATE_TYPE update_type,
RefCntBuffer *ref_frame_bufs[MAX_INTER_REF_FRAMES], int ref_frame_flags,
vpx_rc_encodeframe_decision_t *encode_frame_decision) {
if (ext_ratectrl->ready) {
vpx_rc_encodeframe_info_t encode_frame_info;
encode_frame_info.show_index = show_index;
encode_frame_info.coding_index = coding_index;
encode_frame_info.frame_type = extrc_get_frame_type(update_type);
vp9_get_ref_frame_info(update_type, ref_frame_flags, ref_frame_bufs,
encode_frame_info.ref_frame_coding_indexes,
encode_frame_info.ref_frame_valid_list);
ext_ratectrl->funcs.get_encodeframe_decision(
ext_ratectrl->model, &encode_frame_info, encode_frame_decision);
}
}
void vp9_extrc_update_encodeframe_result(EXT_RATECTRL *ext_ratectrl,
int64_t bit_count,
const YV12_BUFFER_CONFIG *source_frame,
const YV12_BUFFER_CONFIG *coded_frame,
uint32_t bit_depth,
uint32_t input_bit_depth) {
if (ext_ratectrl->ready) {
PSNR_STATS psnr;
vpx_rc_encodeframe_result_t encode_frame_result;
encode_frame_result.bit_count = bit_count;
encode_frame_result.pixel_count =
source_frame->y_width * source_frame->y_height +
2 * source_frame->uv_width * source_frame->uv_height;
#if CONFIG_VP9_HIGHBITDEPTH
vpx_calc_highbd_psnr(source_frame, coded_frame, &psnr, bit_depth,
input_bit_depth);
#else
(void)bit_depth;
(void)input_bit_depth;
vpx_calc_psnr(source_frame, coded_frame, &psnr);
#endif
encode_frame_result.sse = psnr.sse[0];
ext_ratectrl->funcs.update_encodeframe_result(ext_ratectrl->model,
&encode_frame_result);
}
}