119 lines
3.6 KiB
C++
119 lines
3.6 KiB
C++
/*
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* Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "test/pc/e2e/analyzer/video/video_dumping.h"
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#include <stdio.h>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "api/test/video/video_frame_writer.h"
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#include "api/video/video_frame.h"
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#include "rtc_base/logging.h"
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#include "system_wrappers/include/clock.h"
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#include "test/testsupport/video_frame_writer.h"
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namespace webrtc {
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namespace webrtc_pc_e2e {
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namespace {
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class VideoFrameIdsWriter final : public test::VideoFrameWriter {
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public:
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explicit VideoFrameIdsWriter(absl::string_view file_name)
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: file_name_(file_name) {
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output_file_ = fopen(file_name_.c_str(), "wb");
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RTC_LOG(LS_INFO) << "Writing VideoFrame IDs into " << file_name_;
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RTC_CHECK(output_file_ != nullptr)
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<< "Failed to open file to dump frame ids for writing: " << file_name_;
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}
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~VideoFrameIdsWriter() override { Close(); }
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bool WriteFrame(const VideoFrame& frame) override {
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RTC_CHECK(output_file_ != nullptr) << "Writer is already closed";
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int chars_written = fprintf(output_file_, "%d\n", frame.id());
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if (chars_written < 2) {
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RTC_LOG(LS_ERROR) << "Failed to write frame id to the output file: "
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<< file_name_;
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return false;
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}
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return true;
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}
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void Close() override {
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if (output_file_ != nullptr) {
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RTC_LOG(LS_INFO) << "Closing file for VideoFrame IDs: " << file_name_;
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fclose(output_file_);
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output_file_ = nullptr;
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}
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}
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private:
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const std::string file_name_;
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FILE* output_file_;
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};
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// Broadcast received frame to multiple underlying frame writers.
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class BroadcastingFrameWriter final : public test::VideoFrameWriter {
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public:
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explicit BroadcastingFrameWriter(
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std::vector<std::unique_ptr<test::VideoFrameWriter>> delegates)
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: delegates_(std::move(delegates)) {}
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~BroadcastingFrameWriter() override { Close(); }
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bool WriteFrame(const webrtc::VideoFrame& frame) override {
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for (auto& delegate : delegates_) {
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if (!delegate->WriteFrame(frame)) {
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return false;
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}
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}
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return true;
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}
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void Close() override {
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for (auto& delegate : delegates_) {
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delegate->Close();
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}
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}
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private:
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std::vector<std::unique_ptr<test::VideoFrameWriter>> delegates_;
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};
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} // namespace
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VideoWriter::VideoWriter(test::VideoFrameWriter* video_writer,
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int sampling_modulo)
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: video_writer_(video_writer), sampling_modulo_(sampling_modulo) {}
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void VideoWriter::OnFrame(const VideoFrame& frame) {
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if (frames_counter_++ % sampling_modulo_ != 0) {
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return;
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}
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bool result = video_writer_->WriteFrame(frame);
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RTC_CHECK(result) << "Failed to write frame";
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}
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std::unique_ptr<test::VideoFrameWriter> CreateVideoFrameWithIdsWriter(
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std::unique_ptr<test::VideoFrameWriter> video_writer_delegate,
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absl::string_view frame_ids_dump_file_name) {
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std::vector<std::unique_ptr<test::VideoFrameWriter>> requested_writers;
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requested_writers.push_back(std::move(video_writer_delegate));
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requested_writers.push_back(
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std::make_unique<VideoFrameIdsWriter>(frame_ids_dump_file_name));
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return std::make_unique<BroadcastingFrameWriter>(
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std::move(requested_writers));
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}
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} // namespace webrtc_pc_e2e
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} // namespace webrtc
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