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/*
* 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 "modules/rtp_rtcp/source/rtp_video_header.h"
namespace webrtc {
RTPVideoHeader::GenericDescriptorInfo::GenericDescriptorInfo() = default;
RTPVideoHeader::GenericDescriptorInfo::GenericDescriptorInfo(
const GenericDescriptorInfo& other) = default;
RTPVideoHeader::GenericDescriptorInfo::~GenericDescriptorInfo() = default;
// static
RTPVideoHeader RTPVideoHeader::FromMetadata(
const VideoFrameMetadata& metadata) {
RTPVideoHeader rtp_video_header;
rtp_video_header.SetFromMetadata(metadata);
return rtp_video_header;
}
RTPVideoHeader::RTPVideoHeader() : video_timing() {}
RTPVideoHeader::RTPVideoHeader(const RTPVideoHeader& other) = default;
RTPVideoHeader::~RTPVideoHeader() = default;
VideoFrameMetadata RTPVideoHeader::GetAsMetadata() const {
VideoFrameMetadata metadata;
metadata.SetFrameType(frame_type);
metadata.SetWidth(width);
metadata.SetHeight(height);
metadata.SetRotation(rotation);
metadata.SetContentType(content_type);
if (generic) {
metadata.SetFrameId(generic->frame_id);
metadata.SetSpatialIndex(generic->spatial_index);
metadata.SetTemporalIndex(generic->temporal_index);
metadata.SetFrameDependencies(generic->dependencies);
metadata.SetDecodeTargetIndications(generic->decode_target_indications);
}
metadata.SetIsLastFrameInPicture(is_last_frame_in_picture);
metadata.SetSimulcastIdx(simulcastIdx);
metadata.SetCodec(codec);
switch (codec) {
case VideoCodecType::kVideoCodecVP8:
metadata.SetRTPVideoHeaderCodecSpecifics(
absl::get<RTPVideoHeaderVP8>(video_type_header));
break;
case VideoCodecType::kVideoCodecVP9:
metadata.SetRTPVideoHeaderCodecSpecifics(
absl::get<RTPVideoHeaderVP9>(video_type_header));
break;
case VideoCodecType::kVideoCodecH264:
metadata.SetRTPVideoHeaderCodecSpecifics(
absl::get<RTPVideoHeaderH264>(video_type_header));
break;
case VideoCodecType::kVideoCodecH265:
// TODO(bugs.webrtc.org/13485)
break;
default:
// Codec-specifics are not supported for this codec.
break;
}
return metadata;
}
void RTPVideoHeader::SetFromMetadata(const VideoFrameMetadata& metadata) {
frame_type = metadata.GetFrameType();
width = metadata.GetWidth();
height = metadata.GetHeight();
rotation = metadata.GetRotation();
content_type = metadata.GetContentType();
if (!metadata.GetFrameId().has_value()) {
generic = absl::nullopt;
} else {
generic.emplace();
generic->frame_id = metadata.GetFrameId().value();
generic->spatial_index = metadata.GetSpatialIndex();
generic->temporal_index = metadata.GetTemporalIndex();
generic->dependencies.assign(metadata.GetFrameDependencies().begin(),
metadata.GetFrameDependencies().end());
generic->decode_target_indications.assign(
metadata.GetDecodeTargetIndications().begin(),
metadata.GetDecodeTargetIndications().end());
}
is_last_frame_in_picture = metadata.GetIsLastFrameInPicture();
simulcastIdx = metadata.GetSimulcastIdx();
codec = metadata.GetCodec();
switch (codec) {
case VideoCodecType::kVideoCodecVP8:
video_type_header = absl::get<RTPVideoHeaderVP8>(
metadata.GetRTPVideoHeaderCodecSpecifics());
break;
case VideoCodecType::kVideoCodecVP9:
video_type_header = absl::get<RTPVideoHeaderVP9>(
metadata.GetRTPVideoHeaderCodecSpecifics());
break;
case VideoCodecType::kVideoCodecH264:
video_type_header = absl::get<RTPVideoHeaderH264>(
metadata.GetRTPVideoHeaderCodecSpecifics());
break;
default:
// Codec-specifics are not supported for this codec.
break;
}
}
} // namespace webrtc
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