Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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 "RemoteAudioDecoder.h"
#include "MediaDataDecoderProxy.h"
#include "PDMFactory.h"
#include "RemoteDecoderManagerChild.h"
#include "RemoteDecoderManagerParent.h"
#include "mozilla/PodOperations.h"
#include "mozilla/StaticPrefs_media.h"
namespace mozilla {
RemoteAudioDecoderChild::RemoteAudioDecoderChild(RemoteDecodeIn aLocation)
: RemoteDecoderChild(aLocation) {}
MediaResult RemoteAudioDecoderChild::ProcessOutput(
DecodedOutputIPDL&& aDecodedData) {
AssertOnManagerThread();
MOZ_ASSERT(aDecodedData.type() == DecodedOutputIPDL::TArrayOfRemoteAudioData);
RefPtr<ArrayOfRemoteAudioData> arrayData =
aDecodedData.get_ArrayOfRemoteAudioData();
for (size_t i = 0; i < arrayData->Count(); i++) {
RefPtr<AudioData> data = arrayData->ElementAt(i);
if (!data) {
// OOM
return MediaResult(NS_ERROR_OUT_OF_MEMORY, __func__);
}
mDecodedData.AppendElement(data);
}
return NS_OK;
}
MediaResult RemoteAudioDecoderChild::InitIPDL(
const AudioInfo& aAudioInfo, const CreateDecoderParams::OptionSet& aOptions,
const Maybe<uint64_t>& aMediaEngineId) {
RefPtr<RemoteDecoderManagerChild> manager =
RemoteDecoderManagerChild::GetSingleton(mLocation);
// The manager isn't available because RemoteDecoderManagerChild has been
// initialized with null end points and we don't want to decode video on RDD
// process anymore. Return false here so that we can fallback to other PDMs.
if (!manager) {
return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
RESULT_DETAIL("RemoteDecoderManager is not available."));
}
if (!manager->CanSend()) {
return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
RESULT_DETAIL("RemoteDecoderManager unable to send."));
}
mIPDLSelfRef = this;
MOZ_ALWAYS_TRUE(manager->SendPRemoteDecoderConstructor(
this, aAudioInfo, aOptions, Nothing(), aMediaEngineId, Nothing()));
return NS_OK;
}
RemoteAudioDecoderParent::RemoteAudioDecoderParent(
RemoteDecoderManagerParent* aParent, const AudioInfo& aAudioInfo,
const CreateDecoderParams::OptionSet& aOptions,
nsISerialEventTarget* aManagerThread, TaskQueue* aDecodeTaskQueue,
Maybe<uint64_t> aMediaEngineId)
: RemoteDecoderParent(aParent, aOptions, aManagerThread, aDecodeTaskQueue,
aMediaEngineId, Nothing()),
mAudioInfo(aAudioInfo) {}
IPCResult RemoteAudioDecoderParent::RecvConstruct(
ConstructResolver&& aResolver) {
auto params = CreateDecoderParams{mAudioInfo, mOptions,
CreateDecoderParams::NoWrapper(true),
mMediaEngineId, mTrackingId};
mParent->EnsurePDMFactory().CreateDecoder(params)->Then(
GetCurrentSerialEventTarget(), __func__,
[resolver = std::move(aResolver), self = RefPtr{this}](
PlatformDecoderModule::CreateDecoderPromise::ResolveOrRejectValue&&
aValue) {
if (aValue.IsReject()) {
resolver(aValue.RejectValue());
return;
}
MOZ_ASSERT(aValue.ResolveValue());
self->mDecoder =
new MediaDataDecoderProxy(aValue.ResolveValue().forget(),
do_AddRef(self->mDecodeTaskQueue.get()));
resolver(NS_OK);
});
return IPC_OK();
}
MediaResult RemoteAudioDecoderParent::ProcessDecodedData(
MediaDataDecoder::DecodedData&& aData, DecodedOutputIPDL& aDecodedData) {
MOZ_ASSERT(OnManagerThread());
// Converted array to array of RefPtr<AudioData>
nsTArray<RefPtr<AudioData>> data(aData.Length());
for (auto&& element : aData) {
MOZ_ASSERT(element->mType == MediaData::Type::AUDIO_DATA,
"Can only decode audio using RemoteAudioDecoderParent!");
AudioData* audio = static_cast<AudioData*>(element.get());
data.AppendElement(audio);
}
auto array = MakeRefPtr<ArrayOfRemoteAudioData>();
if (!array->Fill(std::move(data),
[&](size_t aSize) { return AllocateBuffer(aSize); })) {
return MediaResult(
NS_ERROR_OUT_OF_MEMORY,
"Failed in RemoteAudioDecoderParent::ProcessDecodedData");
}
aDecodedData = std::move(array);
return NS_OK;
}
} // namespace mozilla