b72cc6d670
Calculate quality metrics for dropped frames by comparing original frame against last decoded one. This feature makes comparison of encoders which do/don't drop frames more fair. The feature is controlled by analyze_quality_of_dropped_frames flag and is disabled by default. Bug: none Change-Id: Ifab8df92d0b76e743ff3193c05d7c8dbd14921c4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/190660 Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32518}
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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* Copyright (c) 2017 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 <stdint.h>
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#include <stdio.h>
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#include <string>
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#include "rtc_base/checks.h"
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#include "test/testsupport/frame_writer.h"
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namespace webrtc {
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namespace test {
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YuvFrameWriterImpl::YuvFrameWriterImpl(std::string output_filename,
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int width,
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int height)
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: output_filename_(output_filename),
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frame_length_in_bytes_(0),
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width_(width),
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height_(height),
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output_file_(nullptr) {}
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YuvFrameWriterImpl::~YuvFrameWriterImpl() {
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Close();
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}
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bool YuvFrameWriterImpl::Init() {
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if (width_ <= 0 || height_ <= 0) {
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fprintf(stderr, "Frame width and height must be >0, was %d x %d\n", width_,
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height_);
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return false;
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}
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frame_length_in_bytes_ =
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width_ * height_ + 2 * ((width_ + 1) / 2) * ((height_ + 1) / 2);
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output_file_ = fopen(output_filename_.c_str(), "wb");
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if (output_file_ == nullptr) {
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fprintf(stderr, "Couldn't open output file for writing: %s\n",
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output_filename_.c_str());
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return false;
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}
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return true;
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}
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bool YuvFrameWriterImpl::WriteFrame(const uint8_t* frame_buffer) {
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RTC_DCHECK(frame_buffer);
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if (output_file_ == nullptr) {
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fprintf(stderr,
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"YuvFrameWriterImpl is not initialized (output file is NULL)\n");
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return false;
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}
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size_t bytes_written =
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fwrite(frame_buffer, 1, frame_length_in_bytes_, output_file_);
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if (bytes_written != frame_length_in_bytes_) {
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fprintf(stderr, "Failed to write %zu bytes to file %s\n",
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frame_length_in_bytes_, output_filename_.c_str());
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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 YuvFrameWriterImpl::Close() {
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if (output_file_ != nullptr) {
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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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size_t YuvFrameWriterImpl::FrameLength() {
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return frame_length_in_bytes_;
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}
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} // namespace test
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} // namespace webrtc
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