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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/peerconnection/rtc_encoded_audio_frame_delegate.h"
#include <utility>
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer.h"
namespace blink {
const void* RTCEncodedAudioFramesAttachment::kAttachmentKey;
RTCEncodedAudioFrameDelegate::RTCEncodedAudioFrameDelegate(
std::unique_ptr<webrtc::TransformableFrameInterface> webrtc_frame,
Vector<uint32_t> contributing_sources)
: webrtc_frame_(std::move(webrtc_frame)),
contributing_sources_(std::move(contributing_sources)) {}
uint64_t RTCEncodedAudioFrameDelegate::Timestamp() const {
MutexLocker lock(mutex_);
return webrtc_frame_ ? webrtc_frame_->GetTimestamp() : 0;
}
DOMArrayBuffer* RTCEncodedAudioFrameDelegate::CreateDataBuffer() const {
ArrayBufferContents contents;
{
MutexLocker lock(mutex_);
if (!webrtc_frame_)
return nullptr;
auto data = webrtc_frame_->GetData();
contents =
ArrayBufferContents(data.size(), 1, ArrayBufferContents::kNotShared,
ArrayBufferContents::kDontInitialize);
if (UNLIKELY(!contents.Data()))
OOM_CRASH(data.size());
memcpy(contents.Data(), data.data(), data.size());
}
return DOMArrayBuffer::Create(std::move(contents));
}
void RTCEncodedAudioFrameDelegate::SetData(const DOMArrayBuffer* data) {
MutexLocker lock(mutex_);
if (webrtc_frame_ && data) {
webrtc_frame_->SetData(rtc::ArrayView<const uint8_t>(
static_cast<const uint8_t*>(data->Data()), data->ByteLengthAsSizeT()));
}
}
uint32_t RTCEncodedAudioFrameDelegate::Ssrc() const {
MutexLocker lock(mutex_);
return webrtc_frame_ ? webrtc_frame_->GetSsrc() : 0;
}
Vector<uint32_t> RTCEncodedAudioFrameDelegate::ContributingSources() const {
MutexLocker lock(mutex_);
return contributing_sources_;
}
std::unique_ptr<webrtc::TransformableFrameInterface>
RTCEncodedAudioFrameDelegate::PassWebRtcFrame() {
MutexLocker lock(mutex_);
return std::move(webrtc_frame_);
}
} // namespace blink
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