chromium/third_party/webrtc/rtc_tools/video_file_reader.cc

/*
 *  Copyright (c) 2018 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 "rtc_tools/video_file_reader.h"

#include <cstdio>
#include <string>
#include <vector>

#include "absl/strings/match.h"
#include "absl/types/optional.h"
#include "api/make_ref_counted.h"
#include "api/video/i420_buffer.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "rtc_base/string_encode.h"
#include "rtc_base/string_to_number.h"

namespace webrtc {
namespace test {

namespace {

bool ReadBytes(uint8_t* dst, size_t n, FILE* file) { … }

// Common base class for .yuv and .y4m files.
class VideoFile : public Video { … };

}  // namespace

Video::Iterator::Iterator(const rtc::scoped_refptr<const Video>& video,
                          size_t index)
    : … { … }

Video::Iterator::Iterator(const Video::Iterator& other) = default;
Video::Iterator::Iterator(Video::Iterator&& other) = default;
Video::Iterator& Video::Iterator::operator=(Video::Iterator&&) = default;
Video::Iterator& Video::Iterator::operator=(const Video::Iterator&) = default;
Video::Iterator::~Iterator() = default;

rtc::scoped_refptr<I420BufferInterface> Video::Iterator::operator*() const { … }
bool Video::Iterator::operator==(const Video::Iterator& other) const { … }
bool Video::Iterator::operator!=(const Video::Iterator& other) const { … }

Video::Iterator Video::Iterator::operator++(int) { … }

Video::Iterator& Video::Iterator::operator++() { … }

Video::Iterator Video::begin() const { … }

Video::Iterator Video::end() const { … }

rtc::scoped_refptr<Video> OpenY4mFile(const std::string& file_name) { … }

rtc::scoped_refptr<Video> OpenYuvFile(const std::string& file_name,
                                      int width,
                                      int height) { … }

rtc::scoped_refptr<Video> OpenYuvOrY4mFile(const std::string& file_name,
                                           int width,
                                           int height) { … }

}  // namespace test
}  // namespace webrtc