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/* -*- 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "RemoteMediaDataDecoder.h"
#include "RemoteDecoderChild.h"
#include "RemoteDecoderManagerChild.h"
namespace mozilla {
#ifdef LOG
# undef LOG
#endif // LOG
#define LOG(arg, ...) \
DDMOZ_LOG(sPDMLog, mozilla::LogLevel::Debug, "::%s: " arg, __func__, \
##__VA_ARGS__)
RemoteMediaDataDecoder::RemoteMediaDataDecoder(RemoteDecoderChild* aChild)
: mChild(aChild),
mDescription("RemoteMediaDataDecoder"_ns),
mProcessName("unknown"_ns),
mCodecName("unknown"_ns),
mIsHardwareAccelerated(false),
mConversion(ConversionRequired::kNeedNone) {
LOG("%p is created", this);
}
RemoteMediaDataDecoder::~RemoteMediaDataDecoder() {
if (mChild) {
// Shutdown didn't get called. This can happen if the creation of the
// decoder got interrupted while pending.
nsCOMPtr<nsISerialEventTarget> thread =
RemoteDecoderManagerChild::GetManagerThread();
MOZ_ASSERT(thread);
thread->Dispatch(NS_NewRunnableFunction(
"RemoteMediaDataDecoderShutdown", [child = std::move(mChild), thread] {
child->Shutdown()->Then(
thread, __func__,
[child](const ShutdownPromise::ResolveOrRejectValue& aValue) {
child->DestroyIPDL();
});
}));
}
LOG("%p is released", this);
}
RefPtr<MediaDataDecoder::InitPromise> RemoteMediaDataDecoder::Init() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteDecoderManagerChild::GetManagerThread(), __func__,
[self]() { return self->mChild->Init(); })
->Then(
RemoteDecoderManagerChild::GetManagerThread(), __func__,
[self, this](TrackType aTrack) {
MutexAutoLock lock(mMutex);
// If shutdown has started in the meantime shutdown promise may
// be resloved before this task. In this case mChild will be null
// and the init promise has to be canceled.
if (!mChild) {
return InitPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_CANCELED,
__func__);
}
mDescription = mChild->GetDescriptionName();
mProcessName = mChild->GetProcessName();
mCodecName = mChild->GetCodecName();
mIsHardwareAccelerated =
mChild->IsHardwareAccelerated(mHardwareAcceleratedReason);
mConversion = mChild->NeedsConversion();
LOG("%p RemoteDecoderChild has been initialized - description: %s, "
"process: %s, codec: %s",
this, mDescription.get(), mProcessName.get(), mCodecName.get());
return InitPromise::CreateAndResolve(aTrack, __func__);
},
[self](const MediaResult& aError) {
return InitPromise::CreateAndReject(aError, __func__);
});
}
RefPtr<MediaDataDecoder::DecodePromise> RemoteMediaDataDecoder::Decode(
MediaRawData* aSample) {
RefPtr<RemoteMediaDataDecoder> self = this;
RefPtr<MediaRawData> sample = aSample;
return InvokeAsync(
RemoteDecoderManagerChild::GetManagerThread(), __func__,
[self, sample]() {
return self->mChild->Decode(nsTArray<RefPtr<MediaRawData>>{sample});
});
}
RefPtr<MediaDataDecoder::DecodePromise> RemoteMediaDataDecoder::DecodeBatch(
nsTArray<RefPtr<MediaRawData>>&& aSamples) {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteDecoderManagerChild::GetManagerThread(), __func__,
[self, samples = std::move(aSamples)]() {
return self->mChild->Decode(samples);
});
}
RefPtr<MediaDataDecoder::FlushPromise> RemoteMediaDataDecoder::Flush() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteDecoderManagerChild::GetManagerThread(), __func__,
[self]() { return self->mChild->Flush(); });
}
RefPtr<MediaDataDecoder::DecodePromise> RemoteMediaDataDecoder::Drain() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(RemoteDecoderManagerChild::GetManagerThread(), __func__,
[self]() { return self->mChild->Drain(); });
}
RefPtr<ShutdownPromise> RemoteMediaDataDecoder::Shutdown() {
RefPtr<RemoteMediaDataDecoder> self = this;
return InvokeAsync(
RemoteDecoderManagerChild::GetManagerThread(), __func__, [self]() {
RefPtr<ShutdownPromise> p = self->mChild->Shutdown();
// We're about to be destroyed and drop our ref to
// *DecoderChild. Make sure we put a ref into the
// task queue for the *DecoderChild thread to keep
// it alive until we send the delete message.
p->Then(RemoteDecoderManagerChild::GetManagerThread(), __func__,
[child = std::move(self->mChild)](
const ShutdownPromise::ResolveOrRejectValue& aValue) {
MOZ_ASSERT(aValue.IsResolve());
child->DestroyIPDL();
return ShutdownPromise::CreateAndResolveOrReject(aValue,
__func__);
});
return p;
});
}
bool RemoteMediaDataDecoder::IsHardwareAccelerated(
nsACString& aFailureReason) const {
MutexAutoLock lock(mMutex);
aFailureReason = mHardwareAcceleratedReason;
return mIsHardwareAccelerated;
}
void RemoteMediaDataDecoder::SetSeekThreshold(const media::TimeUnit& aTime) {
RefPtr<RemoteMediaDataDecoder> self = this;
media::TimeUnit time = aTime;
RemoteDecoderManagerChild::GetManagerThread()->Dispatch(
NS_NewRunnableFunction("dom::RemoteMediaDataDecoder::SetSeekThreshold",
[=]() {
MOZ_ASSERT(self->mChild);
self->mChild->SetSeekThreshold(time);
}),
NS_DISPATCH_NORMAL);
}
MediaDataDecoder::ConversionRequired RemoteMediaDataDecoder::NeedsConversion()
const {
MutexAutoLock lock(mMutex);
return mConversion;
}
nsCString RemoteMediaDataDecoder::GetDescriptionName() const {
MutexAutoLock lock(mMutex);
return mDescription;
}
nsCString RemoteMediaDataDecoder::GetProcessName() const {
MutexAutoLock lock(mMutex);
return mProcessName;
}
nsCString RemoteMediaDataDecoder::GetCodecName() const {
MutexAutoLock lock(mMutex);
return mCodecName;
}
#undef LOG
} // namespace mozilla
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