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/*
* Copyright (c) 2020 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/video_coding/rtp_generic_ref_finder.h"
#include <cstddef>
#include <memory>
#include <utility>
#include "api/video/encoded_frame.h"
#include "api/video/video_codec_constants.h"
#include "modules/rtp_rtcp/source/frame_object.h"
#include "modules/rtp_rtcp/source/rtp_video_header.h"
#include "modules/video_coding/codecs/interface/common_constants.h"
#include "modules/video_coding/rtp_frame_reference_finder.h"
#include "rtc_base/logging.h"
namespace webrtc {
RtpFrameReferenceFinder::ReturnVector RtpGenericFrameRefFinder::ManageFrame(
std::unique_ptr<RtpFrameObject> frame,
const RTPVideoHeader::GenericDescriptorInfo& descriptor) {
RtpFrameReferenceFinder::ReturnVector res;
if (descriptor.spatial_index >= kMaxSpatialLayers) {
RTC_LOG(LS_WARNING) << "Spatial index " << descriptor.spatial_index
<< " is unsupported.";
return res;
}
// Frame IDs are unwrapped in the RtpVideoStreamReceiver, no need to unwrap
// them here.
frame->SetId(descriptor.frame_id);
frame->SetSpatialIndex(descriptor.spatial_index);
if (descriptor.temporal_index != kNoTemporalIdx)
frame->SetTemporalIndex(descriptor.temporal_index);
if (EncodedFrame::kMaxFrameReferences < descriptor.dependencies.size()) {
RTC_LOG(LS_WARNING) << "Too many dependencies in generic descriptor.";
return res;
}
frame->num_references = descriptor.dependencies.size();
for (size_t i = 0; i < descriptor.dependencies.size(); ++i) {
frame->references[i] = descriptor.dependencies[i];
}
res.push_back(std::move(frame));
return res;
}
} // namespace webrtc
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