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/* -*- 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 "GMPContentParent.h"
#include "GMPAudioDecoderParent.h"
#include "GMPParent.h"
#include "GMPServiceChild.h"
#include "GMPVideoDecoderParent.h"
#include "GMPVideoEncoderParent.h"
#include "mozIGeckoMediaPluginService.h"
#include "mozilla/Logging.h"
#include "mozilla/Unused.h"
#include "base/task.h"
namespace mozilla {
#ifdef LOG
#undef LOG
#endif
extern LogModule* GetGMPLog();
#define LOGD(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, msg)
#define LOG(level, msg) MOZ_LOG(GetGMPLog(), (level), msg)
#ifdef __CLASS__
#undef __CLASS__
#endif
#define __CLASS__ "GMPContentParent"
namespace gmp {
GMPContentParent::GMPContentParent(GMPParent* aParent)
: mParent(aParent)
{
if (mParent) {
SetDisplayName(mParent->GetDisplayName());
SetPluginId(mParent->GetPluginId());
}
}
GMPContentParent::~GMPContentParent()
{
}
class ReleaseGMPContentParent : public Runnable
{
public:
explicit ReleaseGMPContentParent(GMPContentParent* aToRelease)
: mToRelease(aToRelease)
{
}
NS_IMETHOD Run() override
{
return NS_OK;
}
private:
RefPtr<GMPContentParent> mToRelease;
};
void
GMPContentParent::ActorDestroy(ActorDestroyReason aWhy)
{
MOZ_ASSERT(mAudioDecoders.IsEmpty() &&
mVideoDecoders.IsEmpty() &&
mVideoEncoders.IsEmpty());
NS_DispatchToCurrentThread(new ReleaseGMPContentParent(this));
}
void
GMPContentParent::CheckThread()
{
MOZ_ASSERT(mGMPThread == NS_GetCurrentThread());
}
void
GMPContentParent::AudioDecoderDestroyed(GMPAudioDecoderParent* aDecoder)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ALWAYS_TRUE(mAudioDecoders.RemoveElement(aDecoder));
CloseIfUnused();
}
void
GMPContentParent::VideoDecoderDestroyed(GMPVideoDecoderParent* aDecoder)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
// If the constructor fails, we'll get called before it's added
Unused << NS_WARN_IF(!mVideoDecoders.RemoveElement(aDecoder));
CloseIfUnused();
}
void
GMPContentParent::VideoEncoderDestroyed(GMPVideoEncoderParent* aEncoder)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
// If the constructor fails, we'll get called before it's added
Unused << NS_WARN_IF(!mVideoEncoders.RemoveElement(aEncoder));
CloseIfUnused();
}
void
GMPContentParent::CloseIfUnused()
{
if (mAudioDecoders.IsEmpty() &&
mVideoDecoders.IsEmpty() &&
mVideoEncoders.IsEmpty()) {
RefPtr<GMPContentParent> toClose;
if (mParent) {
toClose = mParent->ForgetGMPContentParent();
} else {
toClose = this;
RefPtr<GeckoMediaPluginServiceChild> gmp(
GeckoMediaPluginServiceChild::GetSingleton());
gmp->RemoveGMPContentParent(toClose);
}
NS_DispatchToCurrentThread(NewRunnableMethod(toClose,
&GMPContentParent::Close));
}
}
nsIThread*
GMPContentParent::GMPThread()
{
if (!mGMPThread) {
nsCOMPtr<mozIGeckoMediaPluginService> mps = do_GetService("@mozilla.org/gecko-media-plugin-service;1");
MOZ_ASSERT(mps);
if (!mps) {
return nullptr;
}
// Not really safe if we just grab to the mGMPThread, as we don't know
// what thread we're running on and other threads may be trying to
// access this without locks! However, debug only, and primary failure
// mode outside of compiler-helped TSAN is a leak. But better would be
// to use swap() under a lock.
mps->GetThread(getter_AddRefs(mGMPThread));
MOZ_ASSERT(mGMPThread);
}
return mGMPThread;
}
nsresult
GMPContentParent::GetGMPAudioDecoder(GMPAudioDecoderParent** aGMPAD)
{
PGMPAudioDecoderParent* pvap = SendPGMPAudioDecoderConstructor();
if (!pvap) {
return NS_ERROR_FAILURE;
}
GMPAudioDecoderParent* vap = static_cast<GMPAudioDecoderParent*>(pvap);
// This addref corresponds to the Proxy pointer the consumer is returned.
// It's dropped by calling Close() on the interface.
NS_ADDREF(vap);
*aGMPAD = vap;
mAudioDecoders.AppendElement(vap);
return NS_OK;
}
nsresult
GMPContentParent::GetGMPVideoDecoder(GMPVideoDecoderParent** aGMPVD)
{
// returned with one anonymous AddRef that locks it until Destroy
PGMPVideoDecoderParent* pvdp = SendPGMPVideoDecoderConstructor();
if (!pvdp) {
return NS_ERROR_FAILURE;
}
GMPVideoDecoderParent *vdp = static_cast<GMPVideoDecoderParent*>(pvdp);
// This addref corresponds to the Proxy pointer the consumer is returned.
// It's dropped by calling Close() on the interface.
NS_ADDREF(vdp);
*aGMPVD = vdp;
mVideoDecoders.AppendElement(vdp);
return NS_OK;
}
nsresult
GMPContentParent::GetGMPVideoEncoder(GMPVideoEncoderParent** aGMPVE)
{
// returned with one anonymous AddRef that locks it until Destroy
PGMPVideoEncoderParent* pvep = SendPGMPVideoEncoderConstructor();
if (!pvep) {
return NS_ERROR_FAILURE;
}
GMPVideoEncoderParent *vep = static_cast<GMPVideoEncoderParent*>(pvep);
// This addref corresponds to the Proxy pointer the consumer is returned.
// It's dropped by calling Close() on the interface.
NS_ADDREF(vep);
*aGMPVE = vep;
mVideoEncoders.AppendElement(vep);
return NS_OK;
}
PGMPVideoDecoderParent*
GMPContentParent::AllocPGMPVideoDecoderParent()
{
GMPVideoDecoderParent* vdp = new GMPVideoDecoderParent(this);
NS_ADDREF(vdp);
return vdp;
}
bool
GMPContentParent::DeallocPGMPVideoDecoderParent(PGMPVideoDecoderParent* aActor)
{
GMPVideoDecoderParent* vdp = static_cast<GMPVideoDecoderParent*>(aActor);
NS_RELEASE(vdp);
return true;
}
PGMPVideoEncoderParent*
GMPContentParent::AllocPGMPVideoEncoderParent()
{
GMPVideoEncoderParent* vep = new GMPVideoEncoderParent(this);
NS_ADDREF(vep);
return vep;
}
bool
GMPContentParent::DeallocPGMPVideoEncoderParent(PGMPVideoEncoderParent* aActor)
{
GMPVideoEncoderParent* vep = static_cast<GMPVideoEncoderParent*>(aActor);
NS_RELEASE(vep);
return true;
}
PGMPAudioDecoderParent*
GMPContentParent::AllocPGMPAudioDecoderParent()
{
GMPAudioDecoderParent* vdp = new GMPAudioDecoderParent(this);
NS_ADDREF(vdp);
return vdp;
}
bool
GMPContentParent::DeallocPGMPAudioDecoderParent(PGMPAudioDecoderParent* aActor)
{
GMPAudioDecoderParent* vdp = static_cast<GMPAudioDecoderParent*>(aActor);
NS_RELEASE(vdp);
return true;
}
} // namespace gmp
} // namespace mozilla
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