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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "jsapi/RTCEncodedAudioFrame.h"
#include <stdint.h>
#include <memory>
#include <utility>
#include "api/frame_transformer_interface.h"
#include "jsapi/RTCEncodedFrameBase.h"
#include "jsapi/RTCRtpScriptTransform.h"
#include "mozilla/dom/RTCRtpScriptTransformer.h"
#include "mozilla/dom/RTCEncodedAudioFrameBinding.h"
#include "nsWrapperCache.h"
#include "nsISupports.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIGlobalObject.h"
#include "nsContentUtils.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/RefPtr.h"
#include "mozilla/Unused.h"
#include "mozilla/fallible.h"
#include "js/RootingAPI.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(RTCEncodedAudioFrame, RTCEncodedFrameBase,
mOwner)
NS_IMPL_ADDREF_INHERITED(RTCEncodedAudioFrame, RTCEncodedFrameBase)
NS_IMPL_RELEASE_INHERITED(RTCEncodedAudioFrame, RTCEncodedFrameBase)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCEncodedAudioFrame)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_END_INHERITING(RTCEncodedFrameBase)
RTCEncodedAudioFrame::RTCEncodedAudioFrame(
nsIGlobalObject* aGlobal,
std::unique_ptr<webrtc::TransformableFrameInterface> aFrame,
uint64_t aCounter, RTCRtpScriptTransformer* aOwner)
: RTCEncodedFrameBase(aGlobal, std::move(aFrame), aCounter),
mOwner(aOwner) {
mMetadata.mSynchronizationSource.Construct(mFrame->GetSsrc());
mMetadata.mPayloadType.Construct(mFrame->GetPayloadType());
// send frames are derived directly from TransformableFrameInterface, not
// TransformableAudioFrameInterface! Right now, send frames have no csrcs
// or sequence number
if (mFrame->GetDirection() ==
webrtc::TransformableFrameInterface::Direction::kReceiver) {
const auto& audioFrame(
static_cast<webrtc::TransformableAudioFrameInterface&>(*mFrame));
mMetadata.mContributingSources.Construct();
for (const auto csrc : audioFrame.GetContributingSources()) {
Unused << mMetadata.mContributingSources.Value().AppendElement(csrc,
fallible);
}
if (const auto optionalSeqNum = audioFrame.SequenceNumber()) {
mMetadata.mSequenceNumber.Construct(*optionalSeqNum);
}
}
// Base class needs this, but can't do it itself because of an assertion in
// the cycle-collector.
mozilla::HoldJSObjects(this);
}
RTCEncodedAudioFrame::~RTCEncodedAudioFrame() {
// Base class needs this, but can't do it itself because of an assertion in
// the cycle-collector.
mozilla::DropJSObjects(this);
}
JSObject* RTCEncodedAudioFrame::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return RTCEncodedAudioFrame_Binding::Wrap(aCx, this, aGivenProto);
}
nsIGlobalObject* RTCEncodedAudioFrame::GetParentObject() const {
return mGlobal;
}
void RTCEncodedAudioFrame::GetMetadata(
RTCEncodedAudioFrameMetadata& aMetadata) const {
aMetadata = mMetadata;
}
bool RTCEncodedAudioFrame::CheckOwner(RTCRtpScriptTransformer* aOwner) const {
return aOwner == mOwner;
}
} // namespace mozilla::dom