Refactoring full stack and loopback tests

webrtc/video/full_stack_quality_sampler.cc

-/*
- *  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 "gflags/gflags.h"
-#include "webrtc/test/field_trial.h"
-#include "webrtc/test/run_test.h"
-#include "webrtc/video/full_stack.h"
-
-namespace webrtc {
-namespace flags {
-
-DEFINE_string(title, "Full stack graph", "Graph title.");
-std::string Title() {
-  return static_cast<std::string>(FLAGS_title);
-}
-
-DEFINE_string(filename, "graph_data.txt", "Name of a target graph data file.");
-std::string Filename() {
-  return static_cast<std::string>(FLAGS_filename);
-}
-
-DEFINE_string(clip_name, "screenshare_slides", "Clip name, resource name.");
-std::string ClipName() {
-  return static_cast<std::string>(FLAGS_clip_name);
-}
-
-DEFINE_int32(width, 1850, "Video width (crops source).");
-size_t Width() {
-  return static_cast<size_t>(FLAGS_width);
-}
-
-DEFINE_int32(height, 1110, "Video height (crops source).");
-size_t Height() {
-  return static_cast<size_t>(FLAGS_height);
-}
-
-DEFINE_int32(fps, 5, "Frames per second.");
-int Fps() {
-  return static_cast<int>(FLAGS_fps);
-}
-
-DEFINE_int32(
-    content_mode,
-    1,
-    "0 - real time video, 1 - screenshare static, 2 - screenshare scrolling.");
-ContentMode ContentModeFlag() {
-  switch (FLAGS_content_mode) {
-    case 0:
-      return ContentMode::kRealTimeVideo;
-    case 1:
-      return ContentMode::kScreensharingStaticImage;
-    case 2:
-      return ContentMode::kScreensharingScrollingImage;
-    default:
-      RTC_NOTREACHED() << "Unknown content mode!";
-      return ContentMode::kScreensharingStaticImage;
-  }
-}
-
-DEFINE_int32(test_duration, 60, "Duration of the test in seconds.");
-int TestDuration() {
-  return static_cast<int>(FLAGS_test_duration);
-}
-
-DEFINE_int32(min_bitrate, 50000, "Minimum video bitrate.");
-int MinBitrate() {
-  return static_cast<int>(FLAGS_min_bitrate);
-}
-
-DEFINE_int32(target_bitrate,
-             500000,
-             "Target video bitrate. (Default value here different than in full "
-             "stack tests!)");
-int TargetBitrate() {
-  return static_cast<int>(FLAGS_target_bitrate);
-}
-
-DEFINE_int32(max_bitrate,
-             500000,
-             "Maximum video bitrate. (Default value here different than in "
-             "full stack tests!)");
-int MaxBitrate() {
-  return static_cast<int>(FLAGS_max_bitrate);
-}
-
-DEFINE_string(codec, "VP9", "Video codec to use.");
-std::string Codec() {
-  return static_cast<std::string>(FLAGS_codec);
-}
-
-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 \"/\"");
-}  // namespace flags
-
-class FullStackGenGraph : public FullStackTest {
- public:
-  void TestBody() override {
-    std::string title = flags::Title();
-    std::string clip_name = flags::ClipName();
-    FullStackTestParams params = {
-        title.c_str(),
-        {clip_name.c_str(), flags::Width(), flags::Height(), flags::Fps()},
-        flags::ContentModeFlag(),
-        flags::MinBitrate(),
-        flags::TargetBitrate(),
-        flags::MaxBitrate(),
-        0.0,  // avg_psnr_threshold
-        0.0,  // avg_ssim_threshold
-        flags::TestDuration(),
-        flags::Codec()};
-    params.graph_data_output_filename = flags::Filename();
-
-    RunTest(params);
-  }
-};
-
-void FullStackRun(void) {
-  FullStackGenGraph full_stack;
-  full_stack.TestBody();
-}
-}  // 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::FullStackRun);
-  return 0;
-}