1a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian/* 2a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 3a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * 4a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * Use of this source code is governed by a BSD-style license 5a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * that can be found in the LICENSE file in the root of the source 6a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * tree. An additional intellectual property rights grant can be found 7a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * in the file PATENTS. All contributing project authors may 8a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian * be found in the AUTHORS file in the root of the source tree. 9a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian */ 10a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 11a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian#include <math.h> 12a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 13a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian#include "vp9/encoder/vp9_onyx_int.h" 14a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian#include "vp9/encoder/vp9_svc_layercontext.h" 15a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 16a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanianvoid vp9_init_layer_context(VP9_COMP *const cpi) { 176ac915abcdb404a00d927fe6308a47fcf09d9519hkuang SVC *const svc = &cpi->svc; 18a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian const VP9_CONFIG *const oxcf = &cpi->oxcf; 196ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int layer; 206ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int layer_end; 216ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 226ac915abcdb404a00d927fe6308a47fcf09d9519hkuang svc->spatial_layer_id = 0; 236ac915abcdb404a00d927fe6308a47fcf09d9519hkuang svc->temporal_layer_id = 0; 246ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 256ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (svc->number_temporal_layers > 1) { 266ac915abcdb404a00d927fe6308a47fcf09d9519hkuang layer_end = svc->number_temporal_layers; 276ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else { 286ac915abcdb404a00d927fe6308a47fcf09d9519hkuang layer_end = svc->number_spatial_layers; 296ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 306ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 316ac915abcdb404a00d927fe6308a47fcf09d9519hkuang for (layer = 0; layer < layer_end; ++layer) { 326ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = &svc->layer_context[layer]; 33a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian RATE_CONTROL *const lrc = &lc->rc; 346ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->current_video_frame_in_layer = 0; 356ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->avg_frame_qindex[INTER_FRAME] = oxcf->worst_allowed_q; 366ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->ni_av_qi = oxcf->worst_allowed_q; 37a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->total_actual_bits = 0; 38a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->total_target_vs_actual = 0; 39a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->ni_tot_qi = 0; 40a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->tot_q = 0.0; 41a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->avg_q = 0.0; 42a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->ni_frames = 0; 43a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->decimation_count = 0; 44a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->decimation_factor = 0; 45a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->rate_correction_factor = 1.0; 46a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->key_frame_rate_correction_factor = 1.0; 476ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 486ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (svc->number_temporal_layers > 1) { 496ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->target_bandwidth = oxcf->ts_target_bitrate[layer] * 1000; 506ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->last_q[INTER_FRAME] = oxcf->worst_allowed_q; 516ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else { 526ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->target_bandwidth = oxcf->ss_target_bitrate[layer] * 1000; 536ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->last_q[0] = oxcf->best_allowed_q; 546ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->last_q[1] = oxcf->best_allowed_q; 556ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->last_q[2] = oxcf->best_allowed_q; 566ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 576ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 586ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->buffer_level = vp9_rescale((int)(oxcf->starting_buffer_level), 596ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->target_bandwidth, 1000); 60a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->bits_off_target = lrc->buffer_level; 61a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian } 62a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian} 63a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 64a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian// Update the layer context from a change_config() call. 65a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanianvoid vp9_update_layer_context_change_config(VP9_COMP *const cpi, 66a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian const int target_bandwidth) { 676ac915abcdb404a00d927fe6308a47fcf09d9519hkuang SVC *const svc = &cpi->svc; 68a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian const VP9_CONFIG *const oxcf = &cpi->oxcf; 69a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian const RATE_CONTROL *const rc = &cpi->rc; 706ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int layer; 716ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int layer_end; 72a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian float bitrate_alloc = 1.0; 736ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 746ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (svc->number_temporal_layers > 1) { 756ac915abcdb404a00d927fe6308a47fcf09d9519hkuang layer_end = svc->number_temporal_layers; 766ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else { 776ac915abcdb404a00d927fe6308a47fcf09d9519hkuang layer_end = svc->number_spatial_layers; 786ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 796ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 806ac915abcdb404a00d927fe6308a47fcf09d9519hkuang for (layer = 0; layer < layer_end; ++layer) { 816ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = &svc->layer_context[layer]; 82a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian RATE_CONTROL *const lrc = &lc->rc; 836ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 846ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (svc->number_temporal_layers > 1) { 856ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->target_bandwidth = oxcf->ts_target_bitrate[layer] * 1000; 866ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else { 876ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->target_bandwidth = oxcf->ss_target_bitrate[layer] * 1000; 886ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 896ac915abcdb404a00d927fe6308a47fcf09d9519hkuang bitrate_alloc = (float)lc->target_bandwidth / target_bandwidth; 90a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // Update buffer-related quantities. 91a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->starting_buffer_level = 92a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian (int64_t)(oxcf->starting_buffer_level * bitrate_alloc); 93a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->optimal_buffer_level = 94a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian (int64_t)(oxcf->optimal_buffer_level * bitrate_alloc); 95a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->maximum_buffer_size = 96a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian (int64_t)(oxcf->maximum_buffer_size * bitrate_alloc); 97a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->bits_off_target = MIN(lrc->bits_off_target, lc->maximum_buffer_size); 98a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->buffer_level = MIN(lrc->buffer_level, lc->maximum_buffer_size); 99a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // Update framerate-related quantities. 1006ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (svc->number_temporal_layers > 1) { 1016ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->framerate = oxcf->framerate / oxcf->ts_rate_decimator[layer]; 1026ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } else { 1036ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->framerate = oxcf->framerate; 1046ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 105a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate); 106a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->max_frame_bandwidth = rc->max_frame_bandwidth; 107a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // Update qp-related quantities. 108a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->worst_quality = rc->worst_quality; 109a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->best_quality = rc->best_quality; 110a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian } 111a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian} 112a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 1136ac915abcdb404a00d927fe6308a47fcf09d9519hkuangstatic LAYER_CONTEXT *get_layer_context(SVC *svc) { 1146ac915abcdb404a00d927fe6308a47fcf09d9519hkuang return svc->number_temporal_layers > 1 ? 1156ac915abcdb404a00d927fe6308a47fcf09d9519hkuang &svc->layer_context[svc->temporal_layer_id] : 1166ac915abcdb404a00d927fe6308a47fcf09d9519hkuang &svc->layer_context[svc->spatial_layer_id]; 1176ac915abcdb404a00d927fe6308a47fcf09d9519hkuang} 1186ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1196ac915abcdb404a00d927fe6308a47fcf09d9519hkuangvoid vp9_update_temporal_layer_framerate(VP9_COMP *const cpi) { 1206ac915abcdb404a00d927fe6308a47fcf09d9519hkuang SVC *const svc = &cpi->svc; 121a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian const VP9_CONFIG *const oxcf = &cpi->oxcf; 1226ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = get_layer_context(svc); 123a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian RATE_CONTROL *const lrc = &lc->rc; 1246ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const int layer = svc->temporal_layer_id; 1256ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1266ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->framerate = oxcf->framerate / oxcf->ts_rate_decimator[layer]; 127a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate); 128a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lrc->max_frame_bandwidth = cpi->rc.max_frame_bandwidth; 129a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // Update the average layer frame size (non-cumulative per-frame-bw). 1306ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (layer == 0) { 131a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->avg_frame_size = lrc->av_per_frame_bandwidth; 132a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian } else { 1336ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const double prev_layer_framerate = 1346ac915abcdb404a00d927fe6308a47fcf09d9519hkuang oxcf->framerate / oxcf->ts_rate_decimator[layer - 1]; 1356ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const int prev_layer_target_bandwidth = 1366ac915abcdb404a00d927fe6308a47fcf09d9519hkuang oxcf->ts_target_bitrate[layer - 1] * 1000; 137a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->avg_frame_size = 138a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian (int)((lc->target_bandwidth - prev_layer_target_bandwidth) / 139a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian (lc->framerate - prev_layer_framerate)); 140a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian } 141a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian} 142a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 1436ac915abcdb404a00d927fe6308a47fcf09d9519hkuangvoid vp9_update_spatial_layer_framerate(VP9_COMP *const cpi, double framerate) { 1446ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const VP9_CONFIG *const oxcf = &cpi->oxcf; 1456ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = get_layer_context(&cpi->svc); 1466ac915abcdb404a00d927fe6308a47fcf09d9519hkuang RATE_CONTROL *const lrc = &lc->rc; 1476ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1486ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->framerate = framerate; 1496ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->av_per_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate); 1506ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->min_frame_bandwidth = (int)(lrc->av_per_frame_bandwidth * 1516ac915abcdb404a00d927fe6308a47fcf09d9519hkuang oxcf->two_pass_vbrmin_section / 100); 1526ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->max_frame_bandwidth = (int)(((int64_t)lrc->av_per_frame_bandwidth * 1536ac915abcdb404a00d927fe6308a47fcf09d9519hkuang oxcf->two_pass_vbrmax_section) / 100); 1546ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->max_gf_interval = 16; 1556ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1566ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->static_scene_max_gf_interval = cpi->key_frame_frequency >> 1; 1576ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1586ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (oxcf->play_alternate && oxcf->lag_in_frames) { 1596ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (lrc->max_gf_interval > oxcf->lag_in_frames - 1) 1606ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->max_gf_interval = oxcf->lag_in_frames - 1; 1616ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1626ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (lrc->static_scene_max_gf_interval > oxcf->lag_in_frames - 1) 1636ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->static_scene_max_gf_interval = oxcf->lag_in_frames - 1; 1646ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 1656ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 1666ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (lrc->max_gf_interval > lrc->static_scene_max_gf_interval) 1676ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lrc->max_gf_interval = lrc->static_scene_max_gf_interval; 1686ac915abcdb404a00d927fe6308a47fcf09d9519hkuang} 1696ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 170a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanianvoid vp9_restore_layer_context(VP9_COMP *const cpi) { 1716ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = get_layer_context(&cpi->svc); 1726ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const int old_frame_since_key = cpi->rc.frames_since_key; 1736ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const int old_frame_to_key = cpi->rc.frames_to_key; 1746ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 175a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian cpi->rc = lc->rc; 1766ac915abcdb404a00d927fe6308a47fcf09d9519hkuang cpi->twopass = lc->twopass; 177a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian cpi->oxcf.target_bandwidth = lc->target_bandwidth; 178a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian cpi->oxcf.starting_buffer_level = lc->starting_buffer_level; 179a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian cpi->oxcf.optimal_buffer_level = lc->optimal_buffer_level; 180a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian cpi->oxcf.maximum_buffer_size = lc->maximum_buffer_size; 181a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian cpi->output_framerate = lc->framerate; 182a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // Reset the frames_since_key and frames_to_key counters to their values 183a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian // before the layer restore. Keep these defined for the stream (not layer). 1846ac915abcdb404a00d927fe6308a47fcf09d9519hkuang if (cpi->svc.number_temporal_layers > 1) { 1856ac915abcdb404a00d927fe6308a47fcf09d9519hkuang cpi->rc.frames_since_key = old_frame_since_key; 1866ac915abcdb404a00d927fe6308a47fcf09d9519hkuang cpi->rc.frames_to_key = old_frame_to_key; 1876ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 188a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian} 189a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian 190a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanianvoid vp9_save_layer_context(VP9_COMP *const cpi) { 1916ac915abcdb404a00d927fe6308a47fcf09d9519hkuang const VP9_CONFIG *const oxcf = &cpi->oxcf; 1926ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = get_layer_context(&cpi->svc); 1936ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 194a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->rc = cpi->rc; 1956ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->twopass = cpi->twopass; 1966ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->target_bandwidth = (int)oxcf->target_bandwidth; 1976ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->starting_buffer_level = oxcf->starting_buffer_level; 1986ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->optimal_buffer_level = oxcf->optimal_buffer_level; 1996ac915abcdb404a00d927fe6308a47fcf09d9519hkuang lc->maximum_buffer_size = oxcf->maximum_buffer_size; 200a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian lc->framerate = cpi->output_framerate; 201a72801d7d92ababb50eecf27a36bd222d031d2feVignesh Venkatasubramanian} 2026ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 2036ac915abcdb404a00d927fe6308a47fcf09d9519hkuangvoid vp9_init_second_pass_spatial_svc(VP9_COMP *cpi) { 2046ac915abcdb404a00d927fe6308a47fcf09d9519hkuang SVC *const svc = &cpi->svc; 2056ac915abcdb404a00d927fe6308a47fcf09d9519hkuang int i; 2066ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 2076ac915abcdb404a00d927fe6308a47fcf09d9519hkuang for (i = 0; i < svc->number_spatial_layers; ++i) { 2086ac915abcdb404a00d927fe6308a47fcf09d9519hkuang struct twopass_rc *const twopass = &svc->layer_context[i].twopass; 2096ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 2106ac915abcdb404a00d927fe6308a47fcf09d9519hkuang svc->spatial_layer_id = i; 2116ac915abcdb404a00d927fe6308a47fcf09d9519hkuang vp9_init_second_pass(cpi); 2126ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 2136ac915abcdb404a00d927fe6308a47fcf09d9519hkuang twopass->total_stats.spatial_layer_id = i; 2146ac915abcdb404a00d927fe6308a47fcf09d9519hkuang twopass->total_left_stats.spatial_layer_id = i; 2156ac915abcdb404a00d927fe6308a47fcf09d9519hkuang } 2166ac915abcdb404a00d927fe6308a47fcf09d9519hkuang svc->spatial_layer_id = 0; 2176ac915abcdb404a00d927fe6308a47fcf09d9519hkuang} 2186ac915abcdb404a00d927fe6308a47fcf09d9519hkuang 2196ac915abcdb404a00d927fe6308a47fcf09d9519hkuangvoid vp9_inc_frame_in_layer(SVC *svc) { 2206ac915abcdb404a00d927fe6308a47fcf09d9519hkuang LAYER_CONTEXT *const lc = (svc->number_temporal_layers > 1) 2216ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ? &svc->layer_context[svc->temporal_layer_id] 2226ac915abcdb404a00d927fe6308a47fcf09d9519hkuang : &svc->layer_context[svc->spatial_layer_id]; 2236ac915abcdb404a00d927fe6308a47fcf09d9519hkuang ++lc->current_video_frame_in_layer; 2246ac915abcdb404a00d927fe6308a47fcf09d9519hkuang} 225