chromium/third_party/webrtc/video/frame_encode_metadata_writer.cc

/*
 *  Copyright (c) 2019 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 "video/frame_encode_metadata_writer.h"

#include <algorithm>
#include <memory>
#include <utility>

#include "common_video/h264/sps_vui_rewriter.h"
#include "modules/include/module_common_types_public.h"
#include "modules/video_coding/include/video_coding_defines.h"
#include "modules/video_coding/svc/create_scalability_structure.h"
#include "rtc_base/logging.h"
#include "rtc_base/time_utils.h"

namespace webrtc {
namespace {
const int kMessagesThrottlingThreshold = …;
const int kThrottleRatio = …;

class EncodedImageBufferWrapper : public EncodedImageBufferInterface { … };

}  // namespace

FrameEncodeMetadataWriter::TimingFramesLayerInfo::TimingFramesLayerInfo() =
    default;
FrameEncodeMetadataWriter::TimingFramesLayerInfo::~TimingFramesLayerInfo() =
    default;

FrameEncodeMetadataWriter::FrameEncodeMetadataWriter(
    EncodedImageCallback* frame_drop_callback)
    : … { … }
FrameEncodeMetadataWriter::~FrameEncodeMetadataWriter() { … }

void FrameEncodeMetadataWriter::OnEncoderInit(const VideoCodec& codec) { … }

void FrameEncodeMetadataWriter::OnSetRates(
    const VideoBitrateAllocation& bitrate_allocation,
    uint32_t framerate_fps) { … }

void FrameEncodeMetadataWriter::OnEncodeStarted(const VideoFrame& frame) { … }

void FrameEncodeMetadataWriter::FillMetadataAndTimingInfo(
    size_t simulcast_svc_idx,
    EncodedImage* encoded_image) { … }

void FrameEncodeMetadataWriter::UpdateBitstream(
    const CodecSpecificInfo* codec_specific_info,
    EncodedImage* encoded_image) { … }

void FrameEncodeMetadataWriter::Reset() { … }

absl::optional<int64_t>
FrameEncodeMetadataWriter::ExtractEncodeStartTimeAndFillMetadata(
    size_t simulcast_svc_idx,
    EncodedImage* encoded_image) { … }

}  // namespace webrtc