RefPtr<OmxPromiseLayer::OmxCommandPromise>
OmxPromiseLayer::SendCommand(OMX_COMMANDTYPE aCmd, OMX_U32 aParam1, OMX_PTR aCmdData)
{
if (aCmd == OMX_CommandFlush) {
// It doesn't support another flush commands before previous one is completed.
MOZ_RELEASE_ASSERT(!mFlushCommands.Length());
// Some coomponents don't send event with OMX_ALL, they send flush complete
// event with input port and another event for output port.
// In prupose of better compatibility, we interpret the OMX_ALL to OMX_DirInput
// and OMX_DirOutput flush separately.
OMX_DIRTYPE types[] = {OMX_DIRTYPE::OMX_DirInput, OMX_DIRTYPE::OMX_DirOutput};
for(const auto type : types) {
if ((aParam1 == type) || (aParam1 == OMX_ALL)) {
mFlushCommands.AppendElement(FlushCommand({type, aCmdData}));
}
if (type == OMX_DirInput) {
// Clear all buffered raw data.
mRawDatas.Clear();
}
}
// Don't overlay more than one flush command, some components can't overlay flush commands.
// So here we send another flush after receiving the previous flush completed event.
if (mFlushCommands.Length()) {
OMX_ERRORTYPE err =
mPlatformLayer->SendCommand(OMX_CommandFlush,
mFlushCommands.ElementAt(0).type,
mFlushCommands.ElementAt(0).cmd);
if (err != OMX_ErrorNone) {
OmxCommandFailureHolder failure(OMX_ErrorNotReady, OMX_CommandFlush);
return OmxCommandPromise::CreateAndReject(failure, __func__);
}
} else {
LOG("OMX_CommandFlush parameter error");
OmxCommandFailureHolder failure(OMX_ErrorNotReady, OMX_CommandFlush);
return OmxCommandPromise::CreateAndReject(failure, __func__);
}
} else {
OMX_ERRORTYPE err = mPlatformLayer->SendCommand(aCmd, aParam1, aCmdData);
if (err != OMX_ErrorNone) {
OmxCommandFailureHolder failure(OMX_ErrorNotReady, aCmd);
return OmxCommandPromise::CreateAndReject(failure, __func__);
}
}
RefPtr<OmxCommandPromise> p;
if (aCmd == OMX_CommandStateSet) {
p = mCommandStatePromise.Ensure(__func__);
} else if (aCmd == OMX_CommandFlush) {
p = mFlushPromise.Ensure(__func__);
} else if (aCmd == OMX_CommandPortEnable) {
p = mPortEnablePromise.Ensure(__func__);
} else if (aCmd == OMX_CommandPortDisable) {
p = mPortDisablePromise.Ensure(__func__);
} else {
LOG("error unsupport command");
MOZ_ASSERT(0);
}
return p;
}
NetworkCommandBuffer::Command::~Command()
{
FlushCommand();
}
