nsresult
GMPParent::CloneFrom(const GMPParent* aOther)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ASSERT(aOther->mDirectory && aOther->mService, "null plugin directory");
return Init(aOther->mService, aOther->mDirectory);
}
nsresult
GMPParent::LoadProcess()
{
MOZ_ASSERT(mDirectory, "Plugin directory cannot be NULL!");
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ASSERT(mState == GMPStateNotLoaded);
nsAutoCString path;
if (NS_FAILED(mDirectory->GetNativePath(path))) {
return NS_ERROR_FAILURE;
}
LOGD(("%s::%s: %p for %s", __CLASS__, __FUNCTION__, this, path.get()));
if (!mProcess) {
mProcess = new GMPProcessParent(path.get());
if (!mProcess->Launch(30 * 1000)) {
mProcess->Delete();
mProcess = nullptr;
return NS_ERROR_FAILURE;
}
bool opened = Open(mProcess->GetChannel(), mProcess->GetChildProcessHandle());
if (!opened) {
mProcess->Delete();
mProcess = nullptr;
return NS_ERROR_FAILURE;
}
LOGD(("%s::%s: Created new process %p", __CLASS__, __FUNCTION__, (void *)mProcess));
}
mState = GMPStateLoaded;
return NS_OK;
}
void
GMPParent::Shutdown()
{
LOGD(("%s::%s: %p", __CLASS__, __FUNCTION__, this));
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
if (mAbnormalShutdownInProgress) {
return;
}
MOZ_ASSERT(mVideoDecoders.IsEmpty() && mVideoEncoders.IsEmpty());
if (mState == GMPStateNotLoaded || mState == GMPStateClosing) {
return;
}
mState = GMPStateClosing;
DeleteProcess();
// XXX Get rid of mDeleteProcessOnlyOnUnload and this code when
// Bug 1043671 is fixed
if (!mDeleteProcessOnlyOnUnload) {
// Destroy ourselves and rise from the fire to save memory
nsRefPtr<GMPParent> self(this);
mService->ReAddOnGMPThread(self);
} // else we've been asked to die and stay dead
MOZ_ASSERT(mState == GMPStateNotLoaded);
}
PGMPTimerParent*
GMPParent::AllocPGMPTimerParent()
{
GMPTimerParent* p = new GMPTimerParent(GMPThread());
NS_ADDREF(p); // Released in DeallocPGMPTimerParent.
return p;
}
void
GMPContentParent::AudioDecoderDestroyed(GMPAudioDecoderParent* aDecoder)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ALWAYS_TRUE(mAudioDecoders.RemoveElement(aDecoder));
CloseIfUnused();
}
void
GMPContentParent::DecryptorDestroyed(GMPDecryptorParent* aSession)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ALWAYS_TRUE(mDecryptors.RemoveElement(aSession));
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
GMPParent::AudioDecoderDestroyed(GMPAudioDecoderParent* aDecoder)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ALWAYS_TRUE(mAudioDecoders.RemoveElement(aDecoder));
// Recv__delete__ is on the stack, don't potentially destroy the top-level actor
// until after this has completed.
nsCOMPtr<nsIRunnable> event = NS_NewRunnableMethod(this, &GMPParent::CloseIfUnused);
NS_DispatchToCurrentThread(event);
}
void
GMPParent::CloseIfUnused()
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
if ((mState == GMPStateLoaded ||
mState == GMPStateUnloading) &&
mVideoDecoders.IsEmpty() &&
mVideoEncoders.IsEmpty()) {
Shutdown();
}
}
void
GMPParent::DecryptorDestroyed(GMPDecryptorParent* aSession)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ALWAYS_TRUE(mDecryptors.RemoveElement(aSession));
// Recv__delete__ is on the stack, don't potentially destroy the top-level actor
// until after this has completed.
if (mDecryptors.IsEmpty()) {
nsCOMPtr<nsIRunnable> event = NS_NewRunnableMethod(this, &GMPParent::CloseIfUnused);
NS_DispatchToCurrentThread(event);
}
}
void
GMPParent::CloseIfUnused()
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
if ((mDeleteProcessOnlyOnUnload ||
mState == GMPStateLoaded ||
mState == GMPStateUnloading) &&
mVideoDecoders.IsEmpty() &&
mVideoEncoders.IsEmpty() &&
mDecryptors.IsEmpty() &&
mAudioDecoders.IsEmpty()) {
Shutdown();
}
}
void
GMPParent::Shutdown()
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
MOZ_ASSERT(mVideoDecoders.IsEmpty() && mVideoEncoders.IsEmpty());
if (mState == GMPStateNotLoaded || mState == GMPStateClosing) {
return;
}
mState = GMPStateClosing;
Close();
DeleteProcess();
MOZ_ASSERT(mState == GMPStateNotLoaded);
}
void
GMPParent::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));
if (mVideoDecoders.IsEmpty() &&
mVideoEncoders.IsEmpty()) {
// Recv__delete__ is on the stack, don't potentially destroy the top-level actor
// until after this has completed.
nsCOMPtr<nsIRunnable> event = NS_NewRunnableMethod(this, &GMPParent::CloseIfUnused);
NS_DispatchToCurrentThread(event);
}
}
nsresult
GMPParent::Init(nsIFile* aPluginDir)
{
MOZ_ASSERT(aPluginDir);
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
mDirectory = aPluginDir;
nsAutoString leafname;
nsresult rv = aPluginDir->GetLeafName(leafname);
if (NS_FAILED(rv)) {
return rv;
}
MOZ_ASSERT(leafname.Length() > 4);
mName = Substring(leafname, 4);
return ReadGMPMetaData();
}
nsresult
GMPParent::GetGMPVideoEncoder(GMPVideoEncoderParent** aGMPVE)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
if (!EnsureProcessLoaded()) {
return NS_ERROR_FAILURE;
}
// 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);
*aGMPVE = vep;
mVideoEncoders.AppendElement(vep);
return NS_OK;
}
nsresult
GMPParent::GetGMPDecryptor(GMPDecryptorParent** aGMPDP)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
if (!EnsureProcessLoaded()) {
return NS_ERROR_FAILURE;
}
PGMPDecryptorParent* pdp = SendPGMPDecryptorConstructor();
if (!pdp) {
return NS_ERROR_FAILURE;
}
GMPDecryptorParent* dp = static_cast<GMPDecryptorParent*>(pdp);
// This addref corresponds to the Proxy pointer the consumer is returned.
// It's dropped by calling Close() on the interface.
NS_ADDREF(dp);
mDecryptors.AppendElement(dp);
*aGMPDP = dp;
return NS_OK;
}
nsresult
GMPParent::Init(GeckoMediaPluginService *aService, nsIFile* aPluginDir)
{
MOZ_ASSERT(aPluginDir);
MOZ_ASSERT(aService);
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
mService = aService;
mDirectory = aPluginDir;
nsAutoString leafname;
nsresult rv = aPluginDir->GetLeafName(leafname);
if (NS_FAILED(rv)) {
return rv;
}
LOGD(("%s::%s: %p for %s", __CLASS__, __FUNCTION__, this,
NS_LossyConvertUTF16toASCII(leafname).get()));
MOZ_ASSERT(leafname.Length() > 4);
mName = Substring(leafname, 4);
return ReadGMPMetaData();
}
nsresult
GMPParent::GetGMPVideoEncoder(GMPVideoEncoderParent** aGMPVE)
{
MOZ_ASSERT(GMPThread() == NS_GetCurrentThread());
if (!EnsureProcessLoaded()) {
return NS_ERROR_FAILURE;
}
// 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;
}