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webrtc / src / webrtc / 86ec3cc873b5740ef68278fb4ba8c6dbd91d3efc / . / modules / video_coding / codecs / test / videoprocessor_integrationtest.h
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/*
* Copyright (c) 2012 The WebRTC 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.
*/
#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_VIDEOPROCESSOR_INTEGRATIONTEST_H_
#define WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_VIDEOPROCESSOR_INTEGRATIONTEST_H_
#include <math.h>
#include <limits>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#if defined(WEBRTC_ANDROID)
#include "webrtc/modules/video_coding/codecs/test/android_test_initializer.h"
#include "webrtc/sdk/android/src/jni/androidmediadecoder_jni.h"
#include "webrtc/sdk/android/src/jni/androidmediaencoder_jni.h"
#elif defined(WEBRTC_IOS)
#include "webrtc/modules/video_coding/codecs/test/objc_codec_h264_test.h"
#endif
#include "webrtc/media/engine/internaldecoderfactory.h"
#include "webrtc/media/engine/internalencoderfactory.h"
#include "webrtc/media/engine/webrtcvideodecoderfactory.h"
#include "webrtc/media/engine/webrtcvideoencoderfactory.h"
#include "webrtc/modules/video_coding/codecs/test/packet_manipulator.h"
#include "webrtc/modules/video_coding/codecs/test/videoprocessor.h"
#include "webrtc/modules/video_coding/codecs/vp8/include/vp8_common_types.h"
#include "webrtc/modules/video_coding/include/video_codec_interface.h"
#include "webrtc/modules/video_coding/include/video_coding.h"
#include "webrtc/modules/video_coding/utility/ivf_file_writer.h"
#include "webrtc/rtc_base/checks.h"
#include "webrtc/rtc_base/file.h"
#include "webrtc/rtc_base/logging.h"
#include "webrtc/rtc_base/ptr_util.h"
#include "webrtc/test/gtest.h"
#include "webrtc/test/testsupport/fileutils.h"
#include "webrtc/test/testsupport/frame_reader.h"
#include "webrtc/test/testsupport/frame_writer.h"
#include "webrtc/test/testsupport/metrics/video_metrics.h"
#include "webrtc/test/testsupport/packet_reader.h"
#include "webrtc/test/video_codec_settings.h"
#include "webrtc/typedefs.h"
namespace webrtc {
namespace test {
const int kMaxNumRateUpdates = 3;
const int kMaxNumTemporalLayers = 3;
const int kPercTargetvsActualMismatch = 20;
const int kBaseKeyFrameInterval = 3000;
// Parameters from VP8 wrapper, which control target size of key frames.
const float kInitialBufferSize = 0.5f;
const float kOptimalBufferSize = 0.6f;
const float kScaleKeyFrameSize = 0.5f;
// Thresholds for the quality metrics. Defaults are maximally minimal.
struct QualityThresholds {
QualityThresholds(double min_avg_psnr,
double min_min_psnr,
double min_avg_ssim,
double min_min_ssim)
: min_avg_psnr(min_avg_psnr),
min_min_psnr(min_min_psnr),
min_avg_ssim(min_avg_ssim),
min_min_ssim(min_min_ssim) {}
double min_avg_psnr;
double min_min_psnr;
double min_avg_ssim;
double min_min_ssim;
};
// The sequence of bit rate and frame rate changes for the encoder, the frame
// number where the changes are made, and the total number of frames for the
// test.
struct RateProfile {
int target_bit_rate[kMaxNumRateUpdates];
int input_frame_rate[kMaxNumRateUpdates];
int frame_index_rate_update[kMaxNumRateUpdates + 1];
int num_frames;
};
// Thresholds for the rate control metrics. The rate mismatch thresholds are
// defined as percentages. |max_time_hit_target| is defined as number of frames,
// after a rate update is made to the encoder, for the encoder to reach within
// |kPercTargetvsActualMismatch| of new target rate. The thresholds are defined
// for each rate update sequence.
struct RateControlThresholds {
int max_num_dropped_frames;
int max_key_frame_size_mismatch;
int max_delta_frame_size_mismatch;
int max_encoding_rate_mismatch;
int max_time_hit_target;
int num_spatial_resizes;
int num_key_frames;
};
// Should video files be saved persistently to disk for post-run visualization?
struct VisualizationParams {
bool save_encoded_ivf;
bool save_decoded_y4m;
};
// Integration test for video processor. Encodes+decodes a clip and
// writes it to the output directory. After completion, quality metrics
// (PSNR and SSIM) and rate control metrics are computed and compared to given
// thresholds, to verify that the quality and encoder response is acceptable.
// The rate control tests allow us to verify the behavior for changing bit rate,
// changing frame rate, frame dropping/spatial resize, and temporal layers.
// The thresholds for the rate control metrics are set to be fairly
// conservative, so failure should only happen when some significant regression
// or breakdown occurs.
class VideoProcessorIntegrationTest : public testing::Test {
protected:
VideoProcessorIntegrationTest() {
#if defined(WEBRTC_VIDEOPROCESSOR_INTEGRATIONTEST_HW_CODECS_ENABLED) && \
defined(WEBRTC_ANDROID)
InitializeAndroidObjects();
#endif
}
~VideoProcessorIntegrationTest() override = default;
void CreateEncoderAndDecoder() {
if (config_.hw_codec) {
#if defined(WEBRTC_VIDEOPROCESSOR_INTEGRATIONTEST_HW_CODECS_ENABLED)
#if defined(WEBRTC_ANDROID)
encoder_factory_.reset(new jni::MediaCodecVideoEncoderFactory());
decoder_factory_.reset(new jni::MediaCodecVideoDecoderFactory());
#elif defined(WEBRTC_IOS)
EXPECT_EQ(kVideoCodecH264, config_.codec_settings.codecType)
<< "iOS HW codecs only support H264.";
encoder_factory_ = CreateObjCEncoderFactory();
decoder_factory_ = CreateObjCDecoderFactory();
#else
RTC_NOTREACHED() << "Only support HW codecs on Android and iOS.";
#endif
#endif // WEBRTC_VIDEOPROCESSOR_INTEGRATIONTEST_HW_CODECS_ENABLED
} else {
// SW codecs.
encoder_factory_.reset(new cricket::InternalEncoderFactory());
decoder_factory_.reset(new cricket::InternalDecoderFactory());
}
switch (config_.codec_settings.codecType) {
case kVideoCodecVP8:
encoder_ = encoder_factory_->CreateVideoEncoder(
cricket::VideoCodec(cricket::kVp8CodecName));
decoder_ = decoder_factory_->CreateVideoDecoder(kVideoCodecVP8);
break;
case kVideoCodecVP9:
encoder_ = encoder_factory_->CreateVideoEncoder(
cricket::VideoCodec(cricket::kVp9CodecName));
decoder_ = decoder_factory_->CreateVideoDecoder(kVideoCodecVP9);
break;
case kVideoCodecH264:
// TODO(brandtr): Generalize so that we support multiple profiles here.
encoder_ = encoder_factory_->CreateVideoEncoder(
cricket::VideoCodec(cricket::kH264CodecName));
decoder_ = decoder_factory_->CreateVideoDecoder(kVideoCodecH264);
break;
default:
RTC_NOTREACHED();
break;
}
EXPECT_TRUE(encoder_) << "Encoder not successfully created.";
EXPECT_TRUE(decoder_) << "Decoder not successfully created.";
}
void DestroyEncoderAndDecoder() {
encoder_factory_->DestroyVideoEncoder(encoder_);
decoder_factory_->DestroyVideoDecoder(decoder_);
}
void SetUpObjects(const VisualizationParams* visualization_params,
const int initial_bitrate_kbps,
const int initial_framerate_fps) {
CreateEncoderAndDecoder();
// Create file objects for quality analysis.
analysis_frame_reader_.reset(new YuvFrameReaderImpl(
config_.input_filename, config_.codec_settings.width,
config_.codec_settings.height));
analysis_frame_writer_.reset(new YuvFrameWriterImpl(
config_.output_filename, config_.codec_settings.width,
config_.codec_settings.height));
EXPECT_TRUE(analysis_frame_reader_->Init());
EXPECT_TRUE(analysis_frame_writer_->Init());
if (visualization_params) {
const std::string codec_name =
CodecTypeToPayloadString(config_.codec_settings.codecType);
const std::string implementation_type = config_.hw_codec ? "hw" : "sw";
// clang-format off
const std::string output_filename_base =
OutputPath() + config_.filename + "-" +
codec_name + "-" + implementation_type + "-" +
std::to_string(initial_bitrate_kbps);
// clang-format on
if (visualization_params->save_encoded_ivf) {
rtc::File post_encode_file =
rtc::File::Create(output_filename_base + ".ivf");
encoded_frame_writer_ =
IvfFileWriter::Wrap(std::move(post_encode_file), 0);
}
if (visualization_params->save_decoded_y4m) {
decoded_frame_writer_.reset(new Y4mFrameWriterImpl(
output_filename_base + ".y4m", config_.codec_settings.width,
config_.codec_settings.height, initial_framerate_fps));
EXPECT_TRUE(decoded_frame_writer_->Init());
}
}
packet_manipulator_.reset(new PacketManipulatorImpl(
&packet_reader_, config_.networking_config, config_.verbose));
processor_ = rtc::MakeUnique<VideoProcessor>(
encoder_, decoder_, analysis_frame_reader_.get(),
analysis_frame_writer_.get(), packet_manipulator_.get(), config_,
&stats_, encoded_frame_writer_.get(), decoded_frame_writer_.get());
processor_->Init();
}
// Reset quantities after each encoder update, update the target per-frame
// bandwidth.
void ResetRateControlMetrics(int num_frames_to_hit_target) {
const int num_temporal_layers =
NumberOfTemporalLayers(config_.codec_settings);
for (int i = 0; i < num_temporal_layers; i++) {
num_frames_per_update_[i] = 0;
sum_frame_size_mismatch_[i] = 0.0f;
sum_encoded_frame_size_[i] = 0.0f;
encoding_bitrate_[i] = 0.0f;
// Update layer per-frame-bandwidth.
per_frame_bandwidth_[i] = static_cast<float>(bitrate_layer_[i]) /
static_cast<float>(framerate_layer_[i]);
}
// Set maximum size of key frames, following setting in the VP8 wrapper.
float max_key_size = kScaleKeyFrameSize * kOptimalBufferSize * framerate_;
// We don't know exact target size of the key frames (except for first one),
// but the minimum in libvpx is ~|3 * per_frame_bandwidth| and maximum is
// set by |max_key_size_ * per_frame_bandwidth|. Take middle point/average
// as reference for mismatch. Note key frames always correspond to base
// layer frame in this test.
target_size_key_frame_ = 0.5 * (3 + max_key_size) * per_frame_bandwidth_[0];
num_frames_total_ = 0;
sum_encoded_frame_size_total_ = 0.0f;
encoding_bitrate_total_ = 0.0f;
perc_encoding_rate_mismatch_ = 0.0f;
num_frames_to_hit_target_ = num_frames_to_hit_target;
encoding_rate_within_target_ = false;
sum_key_frame_size_mismatch_ = 0.0;
num_key_frames_ = 0;
}
// For every encoded frame, update the rate control metrics.
void UpdateRateControlMetrics(int frame_number) {
RTC_CHECK_GE(frame_number, 0);
FrameType frame_type = stats_.stats_[frame_number].frame_type;
float encoded_size_kbits =
stats_.stats_[frame_number].encoded_frame_length_in_bytes * 8.0f /
1000.0f;
const int tl_idx = TemporalLayerIndexForFrame(frame_number);
// Update layer data.
// Update rate mismatch relative to per-frame bandwidth for delta frames.
if (frame_type == kVideoFrameDelta) {
// TODO(marpan): Should we count dropped (zero size) frames in mismatch?
sum_frame_size_mismatch_[tl_idx] +=
fabs(encoded_size_kbits - per_frame_bandwidth_[tl_idx]) /
per_frame_bandwidth_[tl_idx];
} else {
float target_size = (frame_number == 0) ? target_size_key_frame_initial_
: target_size_key_frame_;
sum_key_frame_size_mismatch_ +=
fabs(encoded_size_kbits - target_size) / target_size;
num_key_frames_ += 1;
}
sum_encoded_frame_size_[tl_idx] += encoded_size_kbits;
// Encoding bit rate per temporal layer: from the start of the update/run
// to the current frame.
encoding_bitrate_[tl_idx] = sum_encoded_frame_size_[tl_idx] *
framerate_layer_[tl_idx] /
num_frames_per_update_[tl_idx];
// Total encoding rate: from the start of the update/run to current frame.
sum_encoded_frame_size_total_ += encoded_size_kbits;
encoding_bitrate_total_ =
sum_encoded_frame_size_total_ * framerate_ / num_frames_total_;
perc_encoding_rate_mismatch_ =
100 * fabs(encoding_bitrate_total_ - bitrate_kbps_) / bitrate_kbps_;
if (perc_encoding_rate_mismatch_ < kPercTargetvsActualMismatch &&
!encoding_rate_within_target_) {
num_frames_to_hit_target_ = num_frames_total_;
encoding_rate_within_target_ = true;
}
}
// Verify expected behavior of rate control and print out data.
void PrintAndMaybeVerifyRateControlMetrics(
int rate_update_index,
const std::vector<RateControlThresholds>* rc_thresholds) {
int num_dropped_frames = processor_->NumberDroppedFrames();
int num_resize_actions = processor_->NumberSpatialResizes();
printf(
"Rate update #%d:\n"
" Target bitrate : %d\n"
" Encoded bitrate : %f\n"
" Frame rate : %d\n",
rate_update_index, bitrate_kbps_, encoding_bitrate_total_, framerate_);
printf(
" # processed frames : %d\n"
" # frames to convergence: %d\n"
" # dropped frames : %d\n"
" # spatial resizes : %d\n",
num_frames_total_, num_frames_to_hit_target_, num_dropped_frames,
num_resize_actions);
const RateControlThresholds* rc_threshold = nullptr;
if (rc_thresholds) {
rc_threshold = &(*rc_thresholds)[rate_update_index];
EXPECT_LE(perc_encoding_rate_mismatch_,
rc_threshold->max_encoding_rate_mismatch);
}
if (num_key_frames_ > 0) {
int perc_key_frame_size_mismatch =
100 * sum_key_frame_size_mismatch_ / num_key_frames_;
printf(
" # key frames : %d\n"
" Key frame rate mismatch: %d\n",
num_key_frames_, perc_key_frame_size_mismatch);
if (rc_threshold) {
EXPECT_LE(perc_key_frame_size_mismatch,
rc_threshold->max_key_frame_size_mismatch);
}
}
const int num_temporal_layers =
NumberOfTemporalLayers(config_.codec_settings);
for (int i = 0; i < num_temporal_layers; i++) {
int perc_frame_size_mismatch =
100 * sum_frame_size_mismatch_[i] / num_frames_per_update_[i];
int perc_encoding_rate_mismatch =
100 * fabs(encoding_bitrate_[i] - bitrate_layer_[i]) /
bitrate_layer_[i];
printf(
" Temporal layer #%d:\n"
" Target layer bitrate : %f\n"
" Layer frame rate : %f\n"
" Layer per frame bandwidth : %f\n"
" Layer encoding bitrate : %f\n"
" Layer percent frame size mismatch : %d\n"
" Layer percent encoding rate mismatch: %d\n"
" # frames processed per layer : %d\n",
i, bitrate_layer_[i], framerate_layer_[i], per_frame_bandwidth_[i],
encoding_bitrate_[i], perc_frame_size_mismatch,
perc_encoding_rate_mismatch, num_frames_per_update_[i]);
if (rc_threshold) {
EXPECT_LE(perc_frame_size_mismatch,
rc_threshold->max_delta_frame_size_mismatch);
EXPECT_LE(perc_encoding_rate_mismatch,
rc_threshold->max_encoding_rate_mismatch);
}
}
printf("\n");
if (rc_threshold) {
EXPECT_LE(num_frames_to_hit_target_, rc_threshold->max_time_hit_target);
EXPECT_LE(num_dropped_frames, rc_threshold->max_num_dropped_frames);
EXPECT_EQ(rc_threshold->num_spatial_resizes, num_resize_actions);
EXPECT_EQ(rc_threshold->num_key_frames, num_key_frames_);
}
}
static void VerifyQuality(const QualityMetricsResult& psnr_result,
const QualityMetricsResult& ssim_result,
const QualityThresholds& quality_thresholds) {
EXPECT_GT(psnr_result.average, quality_thresholds.min_avg_psnr);
EXPECT_GT(psnr_result.min, quality_thresholds.min_min_psnr);
EXPECT_GT(ssim_result.average, quality_thresholds.min_avg_ssim);
EXPECT_GT(ssim_result.min, quality_thresholds.min_min_ssim);
}
static int NumberOfTemporalLayers(const VideoCodec& codec_settings) {
if (codec_settings.codecType == kVideoCodecVP8) {
return codec_settings.VP8().numberOfTemporalLayers;
} else if (codec_settings.codecType == kVideoCodecVP9) {
return codec_settings.VP9().numberOfTemporalLayers;
} else {
return 1;
}
}
// Temporal layer index corresponding to frame number, for up to 3 layers.
int TemporalLayerIndexForFrame(int frame_number) {
const int num_temporal_layers =
NumberOfTemporalLayers(config_.codec_settings);
int tl_idx = -1;
switch (num_temporal_layers) {
case 1:
tl_idx = 0;
break;
case 2:
// temporal layer 0: 0 2 4 ...
// temporal layer 1: 1 3
tl_idx = (frame_number % 2 == 0) ? 0 : 1;
break;
case 3:
// temporal layer 0: 0 4 8 ...
// temporal layer 1: 2 6
// temporal layer 2: 1 3 5 7
if (frame_number % 4 == 0) {
tl_idx = 0;
} else if ((frame_number + 2) % 4 == 0) {
tl_idx = 1;
} else if ((frame_number + 1) % 2 == 0) {
tl_idx = 2;
}
break;
default:
RTC_NOTREACHED();
break;
}
return tl_idx;
}
// Set the bit rate and frame rate per temporal layer, for up to 3 layers.
void SetTemporalLayerRates() {
const int num_temporal_layers =
NumberOfTemporalLayers(config_.codec_settings);
RTC_DCHECK_LE(num_temporal_layers, kMaxNumTemporalLayers);
for (int i = 0; i < num_temporal_layers; i++) {
float bit_rate_ratio = kVp8LayerRateAlloction[num_temporal_layers - 1][i];
if (i > 0) {
float bit_rate_delta_ratio =
kVp8LayerRateAlloction[num_temporal_layers - 1][i] -
kVp8LayerRateAlloction[num_temporal_layers - 1][i - 1];
bitrate_layer_[i] = bitrate_kbps_ * bit_rate_delta_ratio;
} else {
bitrate_layer_[i] = bitrate_kbps_ * bit_rate_ratio;
}
framerate_layer_[i] =
framerate_ / static_cast<float>(1 << (num_temporal_layers - 1));
}
if (num_temporal_layers == 3) {
framerate_layer_[2] = framerate_ / 2.0f;
}
}
// Processes all frames in the clip and verifies the result.
void ProcessFramesAndMaybeVerify(
const RateProfile& rate_profile,
const std::vector<RateControlThresholds>* rc_thresholds,
const QualityThresholds* quality_thresholds,
const VisualizationParams* visualization_params) {
config_.codec_settings.startBitrate = rate_profile.target_bit_rate[0];
SetUpObjects(visualization_params, rate_profile.target_bit_rate[0],
rate_profile.input_frame_rate[0]);
// Set initial rates.
bitrate_kbps_ = rate_profile.target_bit_rate[0];
framerate_ = rate_profile.input_frame_rate[0];
SetTemporalLayerRates();
// Set the initial target size for key frame.
target_size_key_frame_initial_ =
0.5 * kInitialBufferSize * bitrate_layer_[0];
processor_->SetRates(bitrate_kbps_, framerate_);
// Process each frame, up to |num_frames|.
int frame_number = 0;
int update_index = 0;
int num_frames = rate_profile.num_frames;
ResetRateControlMetrics(
rate_profile.frame_index_rate_update[update_index + 1]);
while (frame_number < num_frames) {
processor_->ProcessFrame(frame_number);
const int tl_idx = TemporalLayerIndexForFrame(frame_number);
++num_frames_per_update_[tl_idx];
++num_frames_total_;
UpdateRateControlMetrics(frame_number);
++frame_number;
// If we hit another/next update, verify stats for current state and
// update layers and codec with new rates.
if (frame_number ==
rate_profile.frame_index_rate_update[update_index + 1]) {
PrintAndMaybeVerifyRateControlMetrics(update_index, rc_thresholds);
// Update layer rates and the codec with new rates.
++update_index;
bitrate_kbps_ = rate_profile.target_bit_rate[update_index];
framerate_ = rate_profile.input_frame_rate[update_index];
SetTemporalLayerRates();
ResetRateControlMetrics(
rate_profile.frame_index_rate_update[update_index + 1]);
processor_->SetRates(bitrate_kbps_, framerate_);
}
}
// Verify rate control metrics for all frames since the last rate update.
PrintAndMaybeVerifyRateControlMetrics(update_index, rc_thresholds);
EXPECT_EQ(num_frames, frame_number);
EXPECT_EQ(num_frames, static_cast<int>(stats_.stats_.size()));
// Release encoder and decoder to make sure they have finished processing.
processor_->Release();
DestroyEncoderAndDecoder();
// Close the analysis files before we use them for SSIM/PSNR calculations.
analysis_frame_reader_->Close();
analysis_frame_writer_->Close();
// Close visualization files.
if (encoded_frame_writer_) {
EXPECT_TRUE(encoded_frame_writer_->Close());
}
if (decoded_frame_writer_) {
decoded_frame_writer_->Close();
}
// TODO(marpan): Should compute these quality metrics per SetRates update.
QualityMetricsResult psnr_result, ssim_result;
EXPECT_EQ(0, I420MetricsFromFiles(config_.input_filename.c_str(),
config_.output_filename.c_str(),
config_.codec_settings.width,
config_.codec_settings.height,
&psnr_result, &ssim_result));
if (quality_thresholds) {
VerifyQuality(psnr_result, ssim_result, *quality_thresholds);
}
stats_.PrintSummary();
printf("PSNR avg: %f, min: %f\nSSIM avg: %f, min: %f\n",
psnr_result.average, psnr_result.min, ssim_result.average,
ssim_result.min);
printf("\n");
// Remove analysis file.
if (remove(config_.output_filename.c_str()) < 0) {
fprintf(stderr, "Failed to remove temporary file!\n");
}
}
static void SetTestConfig(TestConfig* config,
bool hw_codec,
bool use_single_core,
float packet_loss_probability,
std::string filename,
bool verbose_logging) {
config->filename = filename;
config->input_filename = ResourcePath(filename, "yuv");
// Generate an output filename in a safe way.
config->output_filename =
TempFilename(OutputPath(), "videoprocessor_integrationtest");
config->networking_config.packet_loss_probability = packet_loss_probability;
config->use_single_core = use_single_core;
config->verbose = verbose_logging;
config->hw_codec = hw_codec;
}
static void SetCodecSettings(TestConfig* config,
VideoCodecType codec_type,
int num_temporal_layers,
bool error_concealment_on,
bool denoising_on,
bool frame_dropper_on,
bool spatial_resize_on,
bool resilience_on,
int width,
int height) {
webrtc::test::CodecSettings(codec_type, &config->codec_settings);
config->codec_settings.width = width;
config->codec_settings.height = height;
switch (config->codec_settings.codecType) {
case kVideoCodecVP8:
config->codec_settings.VP8()->resilience =
resilience_on ? kResilientStream : kResilienceOff;
config->codec_settings.VP8()->numberOfTemporalLayers =
num_temporal_layers;
config->codec_settings.VP8()->denoisingOn = denoising_on;
config->codec_settings.VP8()->errorConcealmentOn = error_concealment_on;
config->codec_settings.VP8()->automaticResizeOn = spatial_resize_on;
config->codec_settings.VP8()->frameDroppingOn = frame_dropper_on;
config->codec_settings.VP8()->keyFrameInterval = kBaseKeyFrameInterval;
break;
case kVideoCodecVP9:
config->codec_settings.VP9()->resilienceOn = resilience_on;
config->codec_settings.VP9()->numberOfTemporalLayers =
num_temporal_layers;
config->codec_settings.VP9()->denoisingOn = denoising_on;
config->codec_settings.VP9()->frameDroppingOn = frame_dropper_on;
config->codec_settings.VP9()->keyFrameInterval = kBaseKeyFrameInterval;
config->codec_settings.VP9()->automaticResizeOn = spatial_resize_on;
break;
case kVideoCodecH264:
config->codec_settings.H264()->frameDroppingOn = frame_dropper_on;
config->codec_settings.H264()->keyFrameInterval = kBaseKeyFrameInterval;
break;
default:
RTC_NOTREACHED();
break;
}
config->frame_length_in_bytes =
CalcBufferSize(VideoType::kI420, width, height);
}
static void SetRateProfile(RateProfile* rate_profile,
int rate_update_index,
int bitrate_kbps,
int framerate_fps,
int frame_index_rate_update) {
rate_profile->target_bit_rate[rate_update_index] = bitrate_kbps;
rate_profile->input_frame_rate[rate_update_index] = framerate_fps;
rate_profile->frame_index_rate_update[rate_update_index] =
frame_index_rate_update;
}
static void AddRateControlThresholds(
int max_num_dropped_frames,
int max_key_frame_size_mismatch,
int max_delta_frame_size_mismatch,
int max_encoding_rate_mismatch,
int max_time_hit_target,
int num_spatial_resizes,
int num_key_frames,
std::vector<RateControlThresholds>* rc_thresholds) {
RTC_DCHECK(rc_thresholds);
rc_thresholds->emplace_back();
RateControlThresholds* rc_threshold = &rc_thresholds->back();
rc_threshold->max_num_dropped_frames = max_num_dropped_frames;
rc_threshold->max_key_frame_size_mismatch = max_key_frame_size_mismatch;
rc_threshold->max_delta_frame_size_mismatch = max_delta_frame_size_mismatch;
rc_threshold->max_encoding_rate_mismatch = max_encoding_rate_mismatch;
rc_threshold->max_time_hit_target = max_time_hit_target;
rc_threshold->num_spatial_resizes = num_spatial_resizes;
rc_threshold->num_key_frames = num_key_frames;
}
// Config.
TestConfig config_;
// Codecs.
std::unique_ptr<cricket::WebRtcVideoEncoderFactory> encoder_factory_;
VideoEncoder* encoder_;
std::unique_ptr<cricket::WebRtcVideoDecoderFactory> decoder_factory_;
VideoDecoder* decoder_;
// Helper objects.
std::unique_ptr<FrameReader> analysis_frame_reader_;
std::unique_ptr<FrameWriter> analysis_frame_writer_;
std::unique_ptr<IvfFileWriter> encoded_frame_writer_;
std::unique_ptr<FrameWriter> decoded_frame_writer_;
PacketReader packet_reader_;
std::unique_ptr<PacketManipulator> packet_manipulator_;
Stats stats_;
std::unique_ptr<VideoProcessor> processor_;
// Quantities defined/updated for every encoder rate update.
int num_frames_per_update_[kMaxNumTemporalLayers];
float sum_frame_size_mismatch_[kMaxNumTemporalLayers];
float sum_encoded_frame_size_[kMaxNumTemporalLayers];
float encoding_bitrate_[kMaxNumTemporalLayers];
float per_frame_bandwidth_[kMaxNumTemporalLayers];
float bitrate_layer_[kMaxNumTemporalLayers];
float framerate_layer_[kMaxNumTemporalLayers];
int num_frames_total_;
float sum_encoded_frame_size_total_;
float encoding_bitrate_total_;
float perc_encoding_rate_mismatch_;
int num_frames_to_hit_target_;
bool encoding_rate_within_target_;
int bitrate_kbps_;
int framerate_;
float target_size_key_frame_initial_;
float target_size_key_frame_;
float sum_key_frame_size_mismatch_;
int num_key_frames_;
};
} // namespace test
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_VIDEOPROCESSOR_INTEGRATIONTEST_H_