From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/media/gmp/GMPAudioDecoderParent.cpp | 369 ++++++++++++++++++++++++++++++++ 1 file changed, 369 insertions(+) create mode 100644 dom/media/gmp/GMPAudioDecoderParent.cpp (limited to 'dom/media/gmp/GMPAudioDecoderParent.cpp') diff --git a/dom/media/gmp/GMPAudioDecoderParent.cpp b/dom/media/gmp/GMPAudioDecoderParent.cpp new file mode 100644 index 000000000..592c7719b --- /dev/null +++ b/dom/media/gmp/GMPAudioDecoderParent.cpp @@ -0,0 +1,369 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 "GMPAudioDecoderParent.h" +#include "GMPContentParent.h" +#include +#include "mozilla/Unused.h" +#include "GMPMessageUtils.h" +#include "nsThreadUtils.h" +#include "mozilla/Logging.h" + +namespace mozilla { + +#ifdef LOG +#undef LOG +#endif + +extern LogModule* GetGMPLog(); + +#define LOGV(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Verbose, msg) +#define LOGD(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, msg) +#define LOG(level, msg) MOZ_LOG(GetGMPLog(), (level), msg) + +namespace gmp { + +GMPAudioDecoderParent::GMPAudioDecoderParent(GMPContentParent* aPlugin) + : mIsOpen(false) + , mShuttingDown(false) + , mActorDestroyed(false) + , mIsAwaitingResetComplete(false) + , mIsAwaitingDrainComplete(false) + , mPlugin(aPlugin) + , mCallback(nullptr) +{ + MOZ_ASSERT(mPlugin); +} + +GMPAudioDecoderParent::~GMPAudioDecoderParent() +{ +} + +nsresult +GMPAudioDecoderParent::InitDecode(GMPAudioCodecType aCodecType, + uint32_t aChannelCount, + uint32_t aBitsPerChannel, + uint32_t aSamplesPerSecond, + nsTArray& aExtraData, + GMPAudioDecoderCallbackProxy* aCallback) +{ + LOGD(("GMPAudioDecoderParent[%p]::InitDecode()", this)); + + if (mIsOpen) { + NS_WARNING("Trying to re-init an in-use GMP audio decoder!"); + return NS_ERROR_FAILURE; + } + + MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread()); + + if (!aCallback) { + return NS_ERROR_FAILURE; + } + mCallback = aCallback; + + GMPAudioCodecData data; + data.mCodecType() = aCodecType; + data.mChannelCount() = aChannelCount; + data.mBitsPerChannel() = aBitsPerChannel; + data.mSamplesPerSecond() = aSamplesPerSecond; + data.mExtraData() = aExtraData; + if (!SendInitDecode(data)) { + return NS_ERROR_FAILURE; + } + mIsOpen = true; + + // Async IPC, we don't have access to a return value. + return NS_OK; +} + +nsresult +GMPAudioDecoderParent::Decode(GMPAudioSamplesImpl& aEncodedSamples) +{ + LOGV(("GMPAudioDecoderParent[%p]::Decode() timestamp=%lld", + this, aEncodedSamples.TimeStamp())); + + if (!mIsOpen) { + NS_WARNING("Trying to use a dead GMP Audio decoder!"); + return NS_ERROR_FAILURE; + } + + MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread()); + + GMPAudioEncodedSampleData samples; + aEncodedSamples.RelinquishData(samples); + + if (!SendDecode(samples)) { + return NS_ERROR_FAILURE; + } + + // Async IPC, we don't have access to a return value. + return NS_OK; +} + +nsresult +GMPAudioDecoderParent::Reset() +{ + LOGD(("GMPAudioDecoderParent[%p]::Reset()", this)); + + if (!mIsOpen) { + NS_WARNING("Trying to use a dead GMP Audio decoder!"); + return NS_ERROR_FAILURE; + } + + MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread()); + + if (!SendReset()) { + return NS_ERROR_FAILURE; + } + + mIsAwaitingResetComplete = true; + + // Async IPC, we don't have access to a return value. + return NS_OK; +} + +nsresult +GMPAudioDecoderParent::Drain() +{ + LOGD(("GMPAudioDecoderParent[%p]::Drain()", this)); + + if (!mIsOpen) { + NS_WARNING("Trying to use a dead GMP Audio decoder!"); + return NS_ERROR_FAILURE; + } + + MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread()); + + if (!SendDrain()) { + return NS_ERROR_FAILURE; + } + + mIsAwaitingDrainComplete = true; + + // Async IPC, we don't have access to a return value. + return NS_OK; +} + +// Note: Consider keeping ActorDestroy sync'd up when making changes here. +nsresult +GMPAudioDecoderParent::Close() +{ + LOGD(("GMPAudioDecoderParent[%p]::Close()", this)); + MOZ_ASSERT(!mPlugin || mPlugin->GMPThread() == NS_GetCurrentThread()); + + // Ensure if we've received a Close while waiting for a ResetComplete + // or DrainComplete notification, we'll unblock the caller before processing + // the close. This seems unlikely to happen, but better to be careful. + UnblockResetAndDrain(); + + // Consumer is done with us; we can shut down. No more callbacks should + // be made to mCallback. Note: do this before Shutdown()! + mCallback = nullptr; + // Let Shutdown mark us as dead so it knows if we had been alive + + // In case this is the last reference + RefPtr kungfudeathgrip(this); + Release(); + Shutdown(); + + return NS_OK; +} + +// Note: Consider keeping ActorDestroy sync'd up when making changes here. +nsresult +GMPAudioDecoderParent::Shutdown() +{ + LOGD(("GMPAudioDecoderParent[%p]::Shutdown()", this)); + MOZ_ASSERT(!mPlugin || mPlugin->GMPThread() == NS_GetCurrentThread()); + + if (mShuttingDown) { + return NS_OK; + } + mShuttingDown = true; + + // Ensure if we've received a shutdown while waiting for a ResetComplete + // or DrainComplete notification, we'll unblock the caller before processing + // the shutdown. + UnblockResetAndDrain(); + + // Notify client we're gone! Won't occur after Close() + if (mCallback) { + mCallback->Terminated(); + mCallback = nullptr; + } + + mIsOpen = false; + if (!mActorDestroyed) { + Unused << SendDecodingComplete(); + } + + return NS_OK; +} + +// Note: Keep this sync'd up with DecodingComplete +void +GMPAudioDecoderParent::ActorDestroy(ActorDestroyReason aWhy) +{ + LOGD(("GMPAudioDecoderParent[%p]::ActorDestroy(reason=%d)", this, aWhy)); + + mIsOpen = false; + mActorDestroyed = true; + + // Ensure if we've received a destroy while waiting for a ResetComplete + // or DrainComplete notification, we'll unblock the caller before processing + // the error. + UnblockResetAndDrain(); + + if (mCallback) { + // May call Close() (and Shutdown()) immediately or with a delay + mCallback->Terminated(); + mCallback = nullptr; + } + if (mPlugin) { + // Ignore any return code. It is OK for this to fail without killing the process. + mPlugin->AudioDecoderDestroyed(this); + mPlugin = nullptr; + } + MaybeDisconnect(aWhy == AbnormalShutdown); +} + +bool +GMPAudioDecoderParent::RecvDecoded(const GMPAudioDecodedSampleData& aDecoded) +{ + LOGV(("GMPAudioDecoderParent[%p]::RecvDecoded() timestamp=%lld", + this, aDecoded.mTimeStamp())); + + if (!mCallback) { + return false; + } + + mCallback->Decoded(aDecoded.mData(), + aDecoded.mTimeStamp(), + aDecoded.mChannelCount(), + aDecoded.mSamplesPerSecond()); + + return true; +} + +bool +GMPAudioDecoderParent::RecvInputDataExhausted() +{ + LOGV(("GMPAudioDecoderParent[%p]::RecvInputDataExhausted()", this)); + + if (!mCallback) { + return false; + } + + // Ignore any return code. It is OK for this to fail without killing the process. + mCallback->InputDataExhausted(); + + return true; +} + +bool +GMPAudioDecoderParent::RecvDrainComplete() +{ + LOGD(("GMPAudioDecoderParent[%p]::RecvDrainComplete()", this)); + + if (!mCallback) { + return false; + } + + if (!mIsAwaitingDrainComplete) { + return true; + } + mIsAwaitingDrainComplete = false; + + // Ignore any return code. It is OK for this to fail without killing the process. + mCallback->DrainComplete(); + + return true; +} + +bool +GMPAudioDecoderParent::RecvResetComplete() +{ + LOGD(("GMPAudioDecoderParent[%p]::RecvResetComplete()", this)); + + if (!mCallback) { + return false; + } + + if (!mIsAwaitingResetComplete) { + return true; + } + mIsAwaitingResetComplete = false; + + // Ignore any return code. It is OK for this to fail without killing the process. + mCallback->ResetComplete(); + + return true; +} + +bool +GMPAudioDecoderParent::RecvError(const GMPErr& aError) +{ + LOGD(("GMPAudioDecoderParent[%p]::RecvError(error=%d)", this, aError)); + + if (!mCallback) { + return false; + } + + // Ensure if we've received an error while waiting for a ResetComplete + // or DrainComplete notification, we'll unblock the caller before processing + // the error. + UnblockResetAndDrain(); + + // Ignore any return code. It is OK for this to fail without killing the process. + mCallback->Error(aError); + + return true; +} + +bool +GMPAudioDecoderParent::RecvShutdown() +{ + LOGD(("GMPAudioDecoderParent[%p]::RecvShutdown()", this)); + + Shutdown(); + return true; +} + +bool +GMPAudioDecoderParent::Recv__delete__() +{ + LOGD(("GMPAudioDecoderParent[%p]::Recv__delete__()", this)); + + if (mPlugin) { + // Ignore any return code. It is OK for this to fail without killing the process. + mPlugin->AudioDecoderDestroyed(this); + mPlugin = nullptr; + } + + return true; +} + +void +GMPAudioDecoderParent::UnblockResetAndDrain() +{ + LOGD(("GMPAudioDecoderParent[%p]::UnblockResetAndDrain()", this)); + + if (!mCallback) { + MOZ_ASSERT(!mIsAwaitingResetComplete); + MOZ_ASSERT(!mIsAwaitingDrainComplete); + return; + } + if (mIsAwaitingResetComplete) { + mIsAwaitingResetComplete = false; + mCallback->ResetComplete(); + } + if (mIsAwaitingDrainComplete) { + mIsAwaitingDrainComplete = false; + mCallback->DrainComplete(); + } +} + +} // namespace gmp +} // namespace mozilla -- cgit v1.2.3