nsresult
GMPVideoDecoderParent::Reset()
{
LOGD(("GMPVideoDecoderParent[%p]::Reset()", this));
if (!mIsOpen) {
NS_WARNING("Trying to use an dead GMP video decoder");
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread());
if (!SendReset()) {
return NS_ERROR_FAILURE;
}
mIsAwaitingResetComplete = true;
RefPtr<GMPVideoDecoderParent> self(this);
nsCOMPtr<nsIRunnable> task = NS_NewRunnableFunction([self]() -> void
{
LOGD(("GMPVideoDecoderParent[%p]::ResetCompleteTimeout() timed out waiting for ResetComplete", self.get()));
self->mResetCompleteTimeout = nullptr;
LogToBrowserConsole(NS_LITERAL_STRING("GMPVideoDecoderParent timed out waiting for ResetComplete()"));
});
CancelResetCompleteTimeout();
mResetCompleteTimeout = SimpleTimer::Create(task, 5000, mPlugin->GMPThread());
// Async IPC, we don't have access to a return value.
return NS_OK;
}
mozilla::ipc::IPCResult
GMPVideoDecoderParent::RecvResetComplete()
{
LOGD(("GMPVideoDecoderParent[%p]::RecvResetComplete()", this));
CancelResetCompleteTimeout();
if (!mCallback) {
// We anticipate shutting down in the middle of a reset in the
// `UnblockResetAndDrain` method, which is called when we shutdown, so
// everything is good if we reach here.
return IPC_OK();
}
if (!mIsAwaitingResetComplete) {
return IPC_OK();
}
mIsAwaitingResetComplete = false;
mFrameCount = 0;
// Ignore any return code. It is OK for this to fail without killing the process.
mCallback->ResetComplete();
return IPC_OK();
}
void
GMPVideoDecoderParent::UnblockResetAndDrain()
{
LOGD(("GMPVideoDecoderParent[%p]::UnblockResetAndDrain() "
"awaitingResetComplete=%d awaitingDrainComplete=%d",
this, mIsAwaitingResetComplete, mIsAwaitingDrainComplete));
if (!mCallback) {
MOZ_ASSERT(!mIsAwaitingResetComplete);
MOZ_ASSERT(!mIsAwaitingDrainComplete);
return;
}
if (mIsAwaitingResetComplete) {
mIsAwaitingResetComplete = false;
mCallback->ResetComplete();
}
if (mIsAwaitingDrainComplete) {
mIsAwaitingDrainComplete = false;
mCallback->DrainComplete();
}
CancelResetCompleteTimeout();
}
bool
GMPVideoDecoderParent::RecvResetComplete()
{
LOGD(("GMPVideoDecoderParent[%p]::RecvResetComplete()", this));
CancelResetCompleteTimeout();
if (!mCallback) {
return false;
}
if (!mIsAwaitingResetComplete) {
return true;
}
mIsAwaitingResetComplete = false;
mFrameCount = 0;
// Ignore any return code. It is OK for this to fail without killing the process.
mCallback->ResetComplete();
return true;
}
