/*
* 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/ratectrl_rtc.h"
#include <climits>
#include <fstream> // NOLINT
#include <string>
#include "./vpx_config.h"
#include "gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/util.h"
#include "test/video_source.h"
#include "vp9/encoder/vp9_encoder.h"
#include "vp9/encoder/vp9_svc_layercontext.h"
#include "vpx/vpx_codec.h"
#include "vpx_ports/bitops.h"
namespace {
const size_t kNumFrames = 300 ;
const int kTemporalId3Layer[4 ] = { 0 , 2 , 1 , 2 };
const int kTemporalId2Layer[2 ] = { 0 , 1 };
const int kTemporalRateAllocation3Layer[3 ] = { 50 , 70 , 100 };
const int kTemporalRateAllocation2Layer[2 ] = { 60 , 100 };
const int kSpatialLayerBitrate[3 ] = { 200 , 400 , 1000 };
const int kSpatialLayerBitrateLow[3 ] = { 50 , 100 , 400 };
class RcInterfaceTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith2Params<int , vpx_rc_mode> {
public :
RcInterfaceTest()
: EncoderTest(GET_PARAM(0 )), aq_mode_(GET_PARAM(1 )), key_interval_(3000 ),
encoder_exit_(false ), frame_drop_thresh_(0 ), num_drops_(0 ) {}
~RcInterfaceTest() override = default ;
protected :
void SetUp() override {
InitializeConfig();
SetMode(::libvpx_test::kRealTime);
}
void PreEncodeFrameHook(libvpx_test::VideoSource *video,
libvpx_test::Encoder *encoder) override {
if (video->frame() == 0 ) {
encoder->Control(VP8E_SET_CPUUSED, 7 );
encoder->Control(VP9E_SET_AQ_MODE, aq_mode_);
if (rc_cfg_.is_screen) {
encoder->Control(VP9E_SET_TUNE_CONTENT, VP9E_CONTENT_SCREEN);
} else {
encoder->Control(VP9E_SET_TUNE_CONTENT, VP9E_CONTENT_DEFAULT);
}
encoder->Control(VP8E_SET_MAX_INTRA_BITRATE_PCT, 1000 );
encoder->Control(VP9E_SET_RTC_EXTERNAL_RATECTRL, 1 );
}
frame_params_.frame_type = video->frame() % key_interval_ == 0
? libvpx::RcFrameType::kKeyFrame
: libvpx::RcFrameType::kInterFrame;
if (rc_cfg_.rc_mode == VPX_CBR &&
frame_params_.frame_type == libvpx::RcFrameType::kInterFrame) {
// Disable golden frame update.
frame_flags_ |= VP8_EFLAG_NO_UPD_GF;
frame_flags_ |= VP8_EFLAG_NO_UPD_ARF;
}
encoder_exit_ = video->frame() == kNumFrames;
}
void PostEncodeFrameHook(::libvpx_test::Encoder *encoder) override {
if (encoder_exit_) {
return ;
}
int loopfilter_level, qp;
encoder->Control(VP9E_GET_LOOPFILTER_LEVEL, &loopfilter_level);
encoder->Control(VP8E_GET_LAST_QUANTIZER, &qp);
if (rc_api_->ComputeQP(frame_params_) == libvpx::FrameDropDecision::kOk) {
ASSERT_EQ(rc_api_->GetQP(), qp);
ASSERT_EQ(rc_api_->GetLoopfilterLevel(), loopfilter_level);
} else {
num_drops_++;
}
}
void FramePktHook(const vpx_codec_cx_pkt_t *pkt) override {
rc_api_->PostEncodeUpdate(pkt->data.frame.sz, frame_params_);
}
void RunOneLayer() {
SetConfig(GET_PARAM(2 ));
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
frame_params_.spatial_layer_id = 0 ;
frame_params_.temporal_layer_id = 0 ;
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
void RunOneLayerScreen() {
SetConfig(GET_PARAM(2 ));
rc_cfg_.is_screen = true ;
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
frame_params_.spatial_layer_id = 0 ;
frame_params_.temporal_layer_id = 0 ;
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
void RunOneLayerDropFramesCBR() {
if (GET_PARAM(2 ) != VPX_CBR) {
GTEST_SKIP() << "Frame dropping is only for CBR mode." ;
}
frame_drop_thresh_ = 30 ;
SetConfig(GET_PARAM(2 ));
// Use lower bitrate, lower max-q, and enable frame dropper.
rc_cfg_.target_bandwidth = 200 ;
cfg_.rc_target_bitrate = 200 ;
rc_cfg_.max_quantizer = 50 ;
cfg_.rc_max_quantizer = 50 ;
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
frame_params_.spatial_layer_id = 0 ;
frame_params_.temporal_layer_id = 0 ;
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Check that some frames were dropped, otherwise test has no value.
ASSERT_GE(num_drops_, 1 );
}
void RunOneLayerVBRPeriodicKey() {
if (GET_PARAM(2 ) != VPX_VBR) return ;
key_interval_ = 100 ;
SetConfig(VPX_VBR);
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
frame_params_.spatial_layer_id = 0 ;
frame_params_.temporal_layer_id = 0 ;
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
private :
void SetConfig(vpx_rc_mode rc_mode) {
rc_cfg_.width = 1280 ;
rc_cfg_.height = 720 ;
rc_cfg_.max_quantizer = 52 ;
rc_cfg_.min_quantizer = 2 ;
rc_cfg_.target_bandwidth = 1000 ;
rc_cfg_.buf_initial_sz = 600 ;
rc_cfg_.buf_optimal_sz = 600 ;
rc_cfg_.buf_sz = 1000 ;
rc_cfg_.undershoot_pct = 50 ;
rc_cfg_.overshoot_pct = 50 ;
rc_cfg_.max_intra_bitrate_pct = 1000 ;
rc_cfg_.framerate = 30 .0 ;
rc_cfg_.ss_number_layers = 1 ;
rc_cfg_.ts_number_layers = 1 ;
rc_cfg_.scaling_factor_num[0 ] = 1 ;
rc_cfg_.scaling_factor_den[0 ] = 1 ;
rc_cfg_.layer_target_bitrate[0 ] = 1000 ;
rc_cfg_.max_quantizers[0 ] = 52 ;
rc_cfg_.min_quantizers[0 ] = 2 ;
rc_cfg_.rc_mode = rc_mode;
rc_cfg_.aq_mode = aq_mode_;
rc_cfg_.frame_drop_thresh = frame_drop_thresh_;
// Encoder settings for ground truth.
cfg_.g_w = 1280 ;
cfg_.g_h = 720 ;
cfg_.rc_undershoot_pct = 50 ;
cfg_.rc_overshoot_pct = 50 ;
cfg_.rc_buf_initial_sz = 600 ;
cfg_.rc_buf_optimal_sz = 600 ;
cfg_.rc_buf_sz = 1000 ;
cfg_.rc_dropframe_thresh = 0 ;
cfg_.rc_min_quantizer = 2 ;
cfg_.rc_max_quantizer = 52 ;
cfg_.rc_end_usage = rc_mode;
cfg_.g_lag_in_frames = 0 ;
cfg_.g_error_resilient = 0 ;
cfg_.rc_target_bitrate = 1000 ;
cfg_.kf_min_dist = key_interval_;
cfg_.kf_max_dist = key_interval_;
cfg_.rc_dropframe_thresh = frame_drop_thresh_;
}
std::unique_ptr<libvpx::VP9RateControlRTC> rc_api_;
libvpx::VP9RateControlRtcConfig rc_cfg_;
int aq_mode_;
int key_interval_;
libvpx::VP9FrameParamsQpRTC frame_params_;
bool encoder_exit_;
int frame_drop_thresh_;
int num_drops_;
};
class RcInterfaceSvcTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith2Params<int , bool > {
public :
RcInterfaceSvcTest()
: EncoderTest(GET_PARAM(0 )), aq_mode_(GET_PARAM(1 )), key_interval_(3000 ),
dynamic_spatial_layers_(0 ), inter_layer_pred_off_(GET_PARAM(2 )),
parallel_spatial_layers_(false ), frame_drop_thresh_(0 ),
max_consec_drop_(INT_MAX), num_drops_(0 ) {}
~RcInterfaceSvcTest() override = default ;
protected :
void SetUp() override {
InitializeConfig();
SetMode(::libvpx_test::kRealTime);
}
void PreEncodeFrameHook(libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) override {
if (video->frame() == 0 ) {
current_superframe_ = 0 ;
encoder->Control(VP8E_SET_CPUUSED, 7 );
encoder->Control(VP9E_SET_AQ_MODE, aq_mode_);
encoder->Control(VP9E_SET_TUNE_CONTENT, 0 );
encoder->Control(VP8E_SET_MAX_INTRA_BITRATE_PCT, 900 );
encoder->Control(VP9E_SET_RTC_EXTERNAL_RATECTRL, 1 );
encoder->Control(VP9E_SET_SVC, 1 );
encoder->Control(VP9E_SET_SVC_PARAMETERS, &svc_params_);
if (inter_layer_pred_off_) {
encoder->Control(VP9E_SET_SVC_INTER_LAYER_PRED,
INTER_LAYER_PRED_OFF_NONKEY);
}
if (frame_drop_thresh_ > 0 ) {
vpx_svc_frame_drop_t svc_drop_frame;
svc_drop_frame.framedrop_mode = FULL_SUPERFRAME_DROP;
for (int sl = 0 ; sl < rc_cfg_.ss_number_layers; ++sl)
svc_drop_frame.framedrop_thresh[sl] = frame_drop_thresh_;
svc_drop_frame.max_consec_drop = max_consec_drop_;
encoder->Control(VP9E_SET_SVC_FRAME_DROP_LAYER, &svc_drop_frame);
}
}
frame_params_.frame_type = video->frame() % key_interval_ == 0
? libvpx::RcFrameType::kKeyFrame
: libvpx::RcFrameType::kInterFrame;
encoder_exit_ = video->frame() == kNumFrames;
if (dynamic_spatial_layers_ == 1 ) {
if (video->frame() == 100 ) {
// Go down to 2 spatial layers: set top SL to 0 bitrate.
// Update the encoder config.
cfg_.rc_target_bitrate -= cfg_.layer_target_bitrate[8 ];
cfg_.layer_target_bitrate[6 ] = 0 ;
cfg_.layer_target_bitrate[7 ] = 0 ;
cfg_.layer_target_bitrate[8 ] = 0 ;
encoder->Config(&cfg_);
// Update the RC config.
rc_cfg_.target_bandwidth -= rc_cfg_.layer_target_bitrate[8 ];
rc_cfg_.layer_target_bitrate[6 ] = 0 ;
rc_cfg_.layer_target_bitrate[7 ] = 0 ;
rc_cfg_.layer_target_bitrate[8 ] = 0 ;
ASSERT_TRUE(rc_api_->UpdateRateControl(rc_cfg_));
} else if (video->frame() == 200 ) {
// Go down to 1 spatial layer.
// Update the encoder config.
cfg_.rc_target_bitrate -= cfg_.layer_target_bitrate[5 ];
cfg_.layer_target_bitrate[3 ] = 0 ;
cfg_.layer_target_bitrate[4 ] = 0 ;
cfg_.layer_target_bitrate[5 ] = 0 ;
encoder->Config(&cfg_);
// Update the RC config.
rc_cfg_.target_bandwidth -= rc_cfg_.layer_target_bitrate[5 ];
rc_cfg_.layer_target_bitrate[3 ] = 0 ;
rc_cfg_.layer_target_bitrate[4 ] = 0 ;
rc_cfg_.layer_target_bitrate[5 ] = 0 ;
ASSERT_TRUE(rc_api_->UpdateRateControl(rc_cfg_));
} else if (/*DISABLES CODE*/ (false) && video->frame() == 280) {
// TODO(marpan): Re-enable this going back up when issue is fixed.
// Go back up to 3 spatial layers.
// Update the encoder config: use the original bitrates.
SetEncoderConfigSvc(3 , 3 );
encoder->Config(&cfg_);
// Update the RC config.
SetRCConfigSvc(3 , 3 );
ASSERT_TRUE(rc_api_->UpdateRateControl(rc_cfg_));
}
}
}
virtual void SetFrameParamsSvc(int sl) {
frame_params_.spatial_layer_id = sl;
if (rc_cfg_.ts_number_layers == 3 )
frame_params_.temporal_layer_id =
kTemporalId3Layer[current_superframe_ % 4 ];
else if (rc_cfg_.ts_number_layers == 2 )
frame_params_.temporal_layer_id =
kTemporalId2Layer[current_superframe_ % 2 ];
else
frame_params_.temporal_layer_id = 0 ;
frame_params_.frame_type =
current_superframe_ % key_interval_ == 0 && sl == 0
? libvpx::RcFrameType::kKeyFrame
: libvpx::RcFrameType::kInterFrame;
}
void PostEncodeFrameHook(::libvpx_test::Encoder *encoder) override {
if (encoder_exit_) {
return ;
}
int superframe_is_dropped = false ;
::libvpx_test::CxDataIterator iter = encoder->GetCxData();
for (int sl = 0 ; sl < rc_cfg_.ss_number_layers; sl++) sizes_[sl] = 0 ;
std::vector<int > rc_qp;
// For FULL_SUPERFRAME_DROP: the full superframe drop decision is
// determined on the base spatial layer.
SetFrameParamsSvc(0 );
if (rc_api_->ComputeQP(frame_params_) == libvpx::FrameDropDecision::kDrop) {
superframe_is_dropped = true ;
num_drops_++;
}
while (const vpx_codec_cx_pkt_t *pkt = iter.Next()) {
ASSERT_EQ(superframe_is_dropped, false );
ParseSuperframeSizes(static_cast <const uint8_t *>(pkt->data.frame.buf),
pkt->data.frame.sz);
if (!parallel_spatial_layers_ || current_superframe_ == 0 ) {
for (int sl = 0 ; sl < rc_cfg_.ss_number_layers; sl++) {
if (sizes_[sl] > 0 ) {
SetFrameParamsSvc(sl);
// For sl=0 ComputeQP() is already called above (line 310).
if (sl > 0 ) rc_api_->ComputeQP(frame_params_);
rc_api_->PostEncodeUpdate(sizes_[sl], frame_params_);
rc_qp.push_back(rc_api_->GetQP());
}
}
} else {
for (int sl = 0 ; sl < rc_cfg_.ss_number_layers; sl++) {
// For sl=0 ComputeQP() is already called above (line 310).
if (sizes_[sl] > 0 && sl > 0 ) {
SetFrameParamsSvc(sl);
rc_api_->ComputeQP(frame_params_);
}
}
for (int sl = 0 ; sl < rc_cfg_.ss_number_layers; sl++) {
if (sizes_[sl] > 0 ) {
SetFrameParamsSvc(sl);
rc_api_->PostEncodeUpdate(sizes_[sl], frame_params_);
rc_qp.push_back(rc_api_->GetQP());
}
}
}
}
if (!superframe_is_dropped) {
int loopfilter_level;
std::vector<int > encoder_qp(VPX_SS_MAX_LAYERS, 0 );
encoder->Control(VP9E_GET_LOOPFILTER_LEVEL, &loopfilter_level);
encoder->Control(VP9E_GET_LAST_QUANTIZER_SVC_LAYERS, encoder_qp.data());
encoder_qp.resize(rc_qp.size());
ASSERT_EQ(rc_qp, encoder_qp);
ASSERT_EQ(rc_api_->GetLoopfilterLevel(), loopfilter_level);
current_superframe_++;
}
}
// This method needs to be overridden because non-reference frames are
// expected to be mismatched frames as the encoder will avoid loopfilter on
// these frames.
void MismatchHook(const vpx_image_t * /*img1*/,
const vpx_image_t * /*img2*/) override {}
void RunSvc() {
SetRCConfigSvc(3 , 3 );
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
SetEncoderConfigSvc(3 , 3 );
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
void RunSvcDropFramesCBR() {
max_consec_drop_ = 10 ;
frame_drop_thresh_ = 30 ;
SetRCConfigSvc(3 , 3 );
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
SetEncoderConfigSvc(3 , 3 );
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Check that some frames were dropped, otherwise test has no value.
ASSERT_GE(num_drops_, 1 );
}
void RunSvcPeriodicKey() {
SetRCConfigSvc(3 , 3 );
key_interval_ = 100 ;
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
SetEncoderConfigSvc(3 , 3 );
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
void RunSvcDynamicSpatial() {
dynamic_spatial_layers_ = 1 ;
SetRCConfigSvc(3 , 3 );
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
SetEncoderConfigSvc(3 , 3 );
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
void RunSvcParallelSpatialLayers() {
if (!inter_layer_pred_off_) return ;
parallel_spatial_layers_ = true ;
SetRCConfigSvc(3 , 3 );
rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
SetEncoderConfigSvc(3 , 3 );
::libvpx_test::I420VideoSource video("desktop_office1.1280_720-020.yuv" ,
1280 , 720 , 30 , 1 , 0 , kNumFrames);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
private :
vpx_codec_err_t ParseSuperframeSizes(const uint8_t *data, size_t data_sz) {
uint8_t marker = *(data + data_sz - 1 );
if ((marker & 0 xe0) == 0 xc0) {
const uint32_t frames = (marker & 0 x7) + 1 ;
const uint32_t mag = ((marker >> 3 ) & 0 x3) + 1 ;
const size_t index_sz = 2 + mag * frames;
// This chunk is marked as having a superframe index but doesn't have
// enough data for it, thus it's an invalid superframe index.
if (data_sz < index_sz) return VPX_CODEC_CORRUPT_FRAME;
{
const uint8_t marker2 = *(data + data_sz - index_sz);
// This chunk is marked as having a superframe index but doesn't have
// the matching marker byte at the front of the index therefore it's an
// invalid chunk.
if (marker != marker2) return VPX_CODEC_CORRUPT_FRAME;
}
const uint8_t *x = &data[data_sz - index_sz + 1 ];
for (uint32_t i = 0 ; i < frames; ++i) {
uint32_t this_sz = 0 ;
for (uint32_t j = 0 ; j < mag; ++j) this_sz |= (*x++) << (j * 8 );
sizes_[i] = this_sz;
}
}
return VPX_CODEC_OK;
}
void SetEncoderConfigSvc(int number_spatial_layers,
int number_temporal_layers) {
cfg_.g_w = 1280 ;
cfg_.g_h = 720 ;
cfg_.ss_number_layers = number_spatial_layers;
cfg_.ts_number_layers = number_temporal_layers;
cfg_.g_timebase.num = 1 ;
cfg_.g_timebase.den = 30 ;
if (number_spatial_layers == 3 ) {
svc_params_.scaling_factor_num[0 ] = 1 ;
svc_params_.scaling_factor_den[0 ] = 4 ;
svc_params_.scaling_factor_num[1 ] = 2 ;
svc_params_.scaling_factor_den[1 ] = 4 ;
svc_params_.scaling_factor_num[2 ] = 4 ;
svc_params_.scaling_factor_den[2 ] = 4 ;
} else if (number_spatial_layers == 2 ) {
svc_params_.scaling_factor_num[0 ] = 1 ;
svc_params_.scaling_factor_den[0 ] = 2 ;
svc_params_.scaling_factor_num[1 ] = 2 ;
svc_params_.scaling_factor_den[1 ] = 2 ;
} else if (number_spatial_layers == 1 ) {
svc_params_.scaling_factor_num[0 ] = 1 ;
svc_params_.scaling_factor_den[0 ] = 1 ;
}
for (int i = 0 ; i < VPX_MAX_LAYERS; ++i) {
svc_params_.max_quantizers[i] = 56 ;
svc_params_.min_quantizers[i] = 2 ;
svc_params_.speed_per_layer[i] = 7 ;
svc_params_.loopfilter_ctrl[i] = LOOPFILTER_ALL;
}
cfg_.rc_end_usage = VPX_CBR;
cfg_.g_lag_in_frames = 0 ;
cfg_.g_error_resilient = 0 ;
if (number_temporal_layers == 3 ) {
cfg_.ts_rate_decimator[0 ] = 4 ;
cfg_.ts_rate_decimator[1 ] = 2 ;
cfg_.ts_rate_decimator[2 ] = 1 ;
cfg_.temporal_layering_mode = 3 ;
} else if (number_temporal_layers == 2 ) {
cfg_.ts_rate_decimator[0 ] = 2 ;
cfg_.ts_rate_decimator[1 ] = 1 ;
cfg_.temporal_layering_mode = 2 ;
} else if (number_temporal_layers == 1 ) {
cfg_.ts_rate_decimator[0 ] = 1 ;
cfg_.temporal_layering_mode = 0 ;
}
cfg_.rc_buf_initial_sz = 500 ;
cfg_.rc_buf_optimal_sz = 600 ;
cfg_.rc_buf_sz = 1000 ;
cfg_.rc_min_quantizer = 2 ;
cfg_.rc_max_quantizer = 56 ;
cfg_.g_threads = 1 ;
cfg_.kf_max_dist = 9999 ;
cfg_.rc_overshoot_pct = 50 ;
cfg_.rc_undershoot_pct = 50 ;
cfg_.rc_dropframe_thresh = frame_drop_thresh_;
cfg_.rc_target_bitrate = 0 ;
for (int sl = 0 ; sl < number_spatial_layers; sl++) {
int spatial_bitrate = 0 ;
if (number_spatial_layers <= 3 )
spatial_bitrate = frame_drop_thresh_ > 0 ? kSpatialLayerBitrateLow[sl]
: kSpatialLayerBitrate[sl];
for (int tl = 0 ; tl < number_temporal_layers; tl++) {
int layer = sl * number_temporal_layers + tl;
if (number_temporal_layers == 3 )
cfg_.layer_target_bitrate[layer] =
kTemporalRateAllocation3Layer[tl] * spatial_bitrate / 100 ;
else if (number_temporal_layers == 2 )
cfg_.layer_target_bitrate[layer] =
kTemporalRateAllocation2Layer[tl] * spatial_bitrate / 100 ;
else if (number_temporal_layers == 1 )
cfg_.layer_target_bitrate[layer] = spatial_bitrate;
}
cfg_.rc_target_bitrate += spatial_bitrate;
}
cfg_.kf_min_dist = key_interval_;
cfg_.kf_max_dist = key_interval_;
}
void SetRCConfigSvc(int number_spatial_layers, int number_temporal_layers) {
rc_cfg_.width = 1280 ;
rc_cfg_.height = 720 ;
rc_cfg_.ss_number_layers = number_spatial_layers;
rc_cfg_.ts_number_layers = number_temporal_layers;
rc_cfg_.max_quantizer = 56 ;
rc_cfg_.min_quantizer = 2 ;
rc_cfg_.buf_initial_sz = 500 ;
rc_cfg_.buf_optimal_sz = 600 ;
rc_cfg_.buf_sz = 1000 ;
rc_cfg_.undershoot_pct = 50 ;
rc_cfg_.overshoot_pct = 50 ;
rc_cfg_.max_intra_bitrate_pct = 900 ;
rc_cfg_.framerate = 30 .0 ;
rc_cfg_.rc_mode = VPX_CBR;
rc_cfg_.aq_mode = aq_mode_;
rc_cfg_.frame_drop_thresh = frame_drop_thresh_;
rc_cfg_.max_consec_drop = max_consec_drop_;
if (number_spatial_layers == 3 ) {
rc_cfg_.scaling_factor_num[0 ] = 1 ;
rc_cfg_.scaling_factor_den[0 ] = 4 ;
rc_cfg_.scaling_factor_num[1 ] = 2 ;
rc_cfg_.scaling_factor_den[1 ] = 4 ;
rc_cfg_.scaling_factor_num[2 ] = 4 ;
rc_cfg_.scaling_factor_den[2 ] = 4 ;
} else if (number_spatial_layers == 2 ) {
rc_cfg_.scaling_factor_num[0 ] = 1 ;
rc_cfg_.scaling_factor_den[0 ] = 2 ;
rc_cfg_.scaling_factor_num[1 ] = 2 ;
rc_cfg_.scaling_factor_den[1 ] = 2 ;
} else if (number_spatial_layers == 1 ) {
rc_cfg_.scaling_factor_num[0 ] = 1 ;
rc_cfg_.scaling_factor_den[0 ] = 1 ;
}
if (number_temporal_layers == 3 ) {
rc_cfg_.ts_rate_decimator[0 ] = 4 ;
rc_cfg_.ts_rate_decimator[1 ] = 2 ;
rc_cfg_.ts_rate_decimator[2 ] = 1 ;
} else if (number_temporal_layers == 2 ) {
rc_cfg_.ts_rate_decimator[0 ] = 2 ;
rc_cfg_.ts_rate_decimator[1 ] = 1 ;
} else if (number_temporal_layers == 1 ) {
rc_cfg_.ts_rate_decimator[0 ] = 1 ;
}
rc_cfg_.target_bandwidth = 0 ;
for (int sl = 0 ; sl < number_spatial_layers; sl++) {
int spatial_bitrate = 0 ;
if (number_spatial_layers <= 3 )
spatial_bitrate = frame_drop_thresh_ > 0 ? kSpatialLayerBitrateLow[sl]
: kSpatialLayerBitrate[sl];
for (int tl = 0 ; tl < number_temporal_layers; tl++) {
int layer = sl * number_temporal_layers + tl;
if (number_temporal_layers == 3 )
rc_cfg_.layer_target_bitrate[layer] =
kTemporalRateAllocation3Layer[tl] * spatial_bitrate / 100 ;
else if (number_temporal_layers == 2 )
rc_cfg_.layer_target_bitrate[layer] =
kTemporalRateAllocation2Layer[tl] * spatial_bitrate / 100 ;
else if (number_temporal_layers == 1 )
rc_cfg_.layer_target_bitrate[layer] = spatial_bitrate;
}
rc_cfg_.target_bandwidth += spatial_bitrate;
}
for (int sl = 0 ; sl < rc_cfg_.ss_number_layers; ++sl) {
for (int tl = 0 ; tl < rc_cfg_.ts_number_layers; ++tl) {
const int i = sl * rc_cfg_.ts_number_layers + tl;
rc_cfg_.max_quantizers[i] = 56 ;
rc_cfg_.min_quantizers[i] = 2 ;
}
}
}
int aq_mode_;
std::unique_ptr<libvpx::VP9RateControlRTC> rc_api_;
libvpx::VP9RateControlRtcConfig rc_cfg_;
vpx_svc_extra_cfg_t svc_params_;
libvpx::VP9FrameParamsQpRTC frame_params_;
bool encoder_exit_;
int current_superframe_;
uint32_t sizes_[8 ];
int key_interval_;
int dynamic_spatial_layers_;
bool inter_layer_pred_off_;
// ComputeQP() and PostEncodeUpdate() don't need to be sequential for KSVC.
bool parallel_spatial_layers_;
int frame_drop_thresh_;
int max_consec_drop_;
int num_drops_;
};
TEST_P(RcInterfaceTest, OneLayer) { RunOneLayer(); }
TEST_P(RcInterfaceTest, OneLayerDropFramesCBR) { RunOneLayerDropFramesCBR(); }
TEST_P(RcInterfaceTest, OneLayerScreen) { RunOneLayerScreen(); }
TEST_P(RcInterfaceTest, OneLayerVBRPeriodicKey) { RunOneLayerVBRPeriodicKey(); }
TEST_P(RcInterfaceSvcTest, Svc) { RunSvc(); }
TEST_P(RcInterfaceSvcTest, SvcDropFramesCBR) { RunSvcDropFramesCBR(); }
TEST_P(RcInterfaceSvcTest, SvcParallelSpatialLayers) {
RunSvcParallelSpatialLayers();
}
TEST_P(RcInterfaceSvcTest, SvcPeriodicKey) { RunSvcPeriodicKey(); }
TEST_P(RcInterfaceSvcTest, SvcDynamicSpatial) { RunSvcDynamicSpatial(); }
VP9_INSTANTIATE_TEST_SUITE(RcInterfaceTest, ::testing::Values(0 , 3 ),
::testing::Values(VPX_CBR, VPX_VBR));
VP9_INSTANTIATE_TEST_SUITE(RcInterfaceSvcTest, ::testing::Values(0 , 3 ),
::testing::Values(true , false ));
} // namespace
Messung V0.5 in Prozent C=89 H=94 G=91
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-06-06)
¤
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