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/*
* Copyright (c) 2015 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.
*/
#include <stdio.h>
#include "gflags/gflags.h"
#include "webrtc/test/field_trial.h"
#include "webrtc/test/gtest.h"
#include "webrtc/test/run_test.h"
#include "webrtc/video/video_quality_test.h"
namespace webrtc {
namespace flags {
// Flags common with screenshare loopback, with different default values.
DEFINE_int32(width, 640, "Video width.");
size_t Width() {
return static_cast<size_t>(FLAGS_width);
}
DEFINE_int32(height, 480, "Video height.");
size_t Height() {
return static_cast<size_t>(FLAGS_height);
}
DEFINE_int32(fps, 30, "Frames per second.");
int Fps() {
return static_cast<int>(FLAGS_fps);
}
DEFINE_int32(min_bitrate, 50, "Call and stream min bitrate in kbps.");
int MinBitrateKbps() {
return static_cast<int>(FLAGS_min_bitrate);
}
DEFINE_int32(start_bitrate, 300, "Call start bitrate in kbps.");
int StartBitrateKbps() {
return static_cast<int>(FLAGS_start_bitrate);
}
DEFINE_int32(target_bitrate, 800, "Stream target bitrate in kbps.");
int TargetBitrateKbps() {
return static_cast<int>(FLAGS_target_bitrate);
}
DEFINE_int32(max_bitrate, 800, "Call and stream max bitrate in kbps.");
int MaxBitrateKbps() {
return static_cast<int>(FLAGS_max_bitrate);
}
DEFINE_bool(suspend_below_min_bitrate,
false,
"Suspends video below the configured min bitrate.");
DEFINE_int32(num_temporal_layers,
1,
"Number of temporal layers. Set to 1-4 to override.");
int NumTemporalLayers() {
return static_cast<int>(FLAGS_num_temporal_layers);
}
// Flags common with screenshare loopback, with equal default values.
DEFINE_string(codec, "VP8", "Video codec to use.");
std::string Codec() {
return static_cast<std::string>(FLAGS_codec);
}
DEFINE_int32(selected_tl,
-1,
"Temporal layer to show or analyze. -1 to disable filtering.");
int SelectedTL() {
return static_cast<int>(FLAGS_selected_tl);
}
DEFINE_int32(
duration,
0,
"Duration of the test in seconds. If 0, rendered will be shown instead.");
int DurationSecs() {
return static_cast<int>(FLAGS_duration);
}
DEFINE_string(output_filename, "", "Target graph data filename.");
std::string OutputFilename() {
return static_cast<std::string>(FLAGS_output_filename);
}
DEFINE_string(graph_title,
"",
"If empty, title will be generated automatically.");
std::string GraphTitle() {
return static_cast<std::string>(FLAGS_graph_title);
}
DEFINE_int32(loss_percent, 0, "Percentage of packets randomly lost.");
int LossPercent() {
return static_cast<int>(FLAGS_loss_percent);
}
DEFINE_int32(avg_burst_loss_length,
-1,
"Average burst length of lost packets.");
int AvgBurstLossLength() {
return static_cast<int>(FLAGS_avg_burst_loss_length);
}
DEFINE_int32(link_capacity,
0,
"Capacity (kbps) of the fake link. 0 means infinite.");
int LinkCapacityKbps() {
return static_cast<int>(FLAGS_link_capacity);
}
DEFINE_int32(queue_size, 0, "Size of the bottleneck link queue in packets.");
int QueueSize() {
return static_cast<int>(FLAGS_queue_size);
}
DEFINE_int32(avg_propagation_delay_ms,
0,
"Average link propagation delay in ms.");
int AvgPropagationDelayMs() {
return static_cast<int>(FLAGS_avg_propagation_delay_ms);
}
DEFINE_int32(std_propagation_delay_ms,
0,
"Link propagation delay standard deviation in ms.");
int StdPropagationDelayMs() {
return static_cast<int>(FLAGS_std_propagation_delay_ms);
}
DEFINE_int32(selected_stream, 0, "ID of the stream to show or analyze.");
int SelectedStream() {
return static_cast<int>(FLAGS_selected_stream);
}
DEFINE_int32(num_spatial_layers, 1, "Number of spatial layers to use.");
int NumSpatialLayers() {
return static_cast<int>(FLAGS_num_spatial_layers);
}
DEFINE_int32(selected_sl,
-1,
"Spatial layer to show or analyze. -1 to disable filtering.");
int SelectedSL() {
return static_cast<int>(FLAGS_selected_sl);
}
DEFINE_string(stream0,
"",
"Comma separated values describing VideoStream for stream #0.");
std::string Stream0() {
return static_cast<std::string>(FLAGS_stream0);
}
DEFINE_string(stream1,
"",
"Comma separated values describing VideoStream for stream #1.");
std::string Stream1() {
return static_cast<std::string>(FLAGS_stream1);
}
DEFINE_string(sl0,
"",
"Comma separated values describing SpatialLayer for layer #0.");
std::string SL0() {
return static_cast<std::string>(FLAGS_sl0);
}
DEFINE_string(sl1,
"",
"Comma separated values describing SpatialLayer for layer #1.");
std::string SL1() {
return static_cast<std::string>(FLAGS_sl1);
}
DEFINE_string(encoded_frame_path,
"",
"The base path for encoded frame logs. Created files will have "
"the form <encoded_frame_path>.<n>.(recv|send.<m>).ivf");
std::string EncodedFramePath() {
return static_cast<std::string>(FLAGS_encoded_frame_path);
}
DEFINE_bool(logs, false, "print logs to stderr");
DEFINE_bool(send_side_bwe, true, "Use send-side bandwidth estimation");
DEFINE_bool(allow_reordering, false, "Allow packet reordering to occur");
DEFINE_bool(use_fec, false, "Use forward error correction.");
DEFINE_bool(audio, false, "Add audio stream");
DEFINE_bool(audio_video_sync, false, "Sync audio and video stream (no effect if"
" audio is false)");
DEFINE_string(
force_fieldtrials,
"",
"Field trials control experimental feature code which can be forced. "
"E.g. running with --force_fieldtrials=WebRTC-FooFeature/Enable/"
" will assign the group Enable to field trial WebRTC-FooFeature. Multiple "
"trials are separated by \"/\"");
// Video-specific flags.
DEFINE_string(clip,
"",
"Name of the clip to show. If empty, using chroma generator.");
std::string Clip() {
return static_cast<std::string>(FLAGS_clip);
}
} // namespace flags
void Loopback() {
FakeNetworkPipe::Config pipe_config;
pipe_config.loss_percent = flags::LossPercent();
pipe_config.avg_burst_loss_length = flags::AvgBurstLossLength();
pipe_config.link_capacity_kbps = flags::LinkCapacityKbps();
pipe_config.queue_length_packets = flags::QueueSize();
pipe_config.queue_delay_ms = flags::AvgPropagationDelayMs();
pipe_config.delay_standard_deviation_ms = flags::StdPropagationDelayMs();
pipe_config.allow_reordering = flags::FLAGS_allow_reordering;
Call::Config::BitrateConfig call_bitrate_config;
call_bitrate_config.min_bitrate_bps = flags::MinBitrateKbps() * 1000;
call_bitrate_config.start_bitrate_bps = flags::StartBitrateKbps() * 1000;
call_bitrate_config.max_bitrate_bps = flags::MaxBitrateKbps() * 1000;
VideoQualityTest::Params params;
params.common = {flags::Width(),
flags::Height(),
flags::Fps(),
flags::MinBitrateKbps() * 1000,
flags::TargetBitrateKbps() * 1000,
flags::MaxBitrateKbps() * 1000,
flags::FLAGS_suspend_below_min_bitrate,
flags::Codec(),
flags::NumTemporalLayers(),
flags::SelectedTL(),
0, // No min transmit bitrate.
flags::FLAGS_send_side_bwe,
flags::FLAGS_use_fec,
flags::EncodedFramePath(),
call_bitrate_config};
params.video = {flags::Clip()};
params.analyzer = {"video", 0.0, 0.0, flags::DurationSecs(),
flags::OutputFilename(), flags::GraphTitle()};
params.pipe = pipe_config;
params.logs = flags::FLAGS_logs;
params.audio = flags::FLAGS_audio,
params.audio_video_sync = flags::FLAGS_audio_video_sync;
std::vector<std::string> stream_descriptors;
stream_descriptors.push_back(flags::Stream0());
stream_descriptors.push_back(flags::Stream1());
std::vector<std::string> SL_descriptors;
SL_descriptors.push_back(flags::SL0());
SL_descriptors.push_back(flags::SL1());
VideoQualityTest::FillScalabilitySettings(
&params, stream_descriptors, flags::SelectedStream(),
flags::NumSpatialLayers(), flags::SelectedSL(), SL_descriptors);
VideoQualityTest test;
if (flags::DurationSecs()) {
test.RunWithAnalyzer(params);
} else {
test.RunWithRenderers(params);
}
}
} // namespace webrtc
int main(int argc, char* argv[]) {
::testing::InitGoogleTest(&argc, argv);
google::ParseCommandLineFlags(&argc, &argv, true);
webrtc::test::InitFieldTrialsFromString(
webrtc::flags::FLAGS_force_fieldtrials);
webrtc::test::RunTest(webrtc::Loopback);
return 0;
}