status_t PlayerDriver::enqueueCommand(PlayerCommand* ec)
{
if (mPlayer == NULL) {
delete ec;
return NO_INIT;
}
OsclSemaphore *syncsemcopy = NULL;
// If the user didn't specify a completion callback, we
// are running in synchronous mode.
if (ec->hasCompletionHook()) {
ec->set(PlayerDriver::syncCompletion, this);
// make a copy of this semaphore for special handling of the PLAYER_QUIT command
syncsemcopy = mSyncSem;
}
// Add the command to the queue.
mQueueLock.lock();
mCommandQueue.push_front(ec);
// save command, since ec will be deleted by the standard completion function
int command = ec->command();
// AO needs to be scheduled only if this is the first cmd after queue was empty
if (mCommandQueue.size() == 1)
{
PendComplete(OSCL_REQUEST_ERR_NONE);
}
mQueueLock.unlock();
// If we are in synchronous mode, wait for completion.
if (syncsemcopy) {
syncsemcopy->Wait();
if (command == PlayerCommand::PLAYER_QUIT) {
syncsemcopy->Close();
delete syncsemcopy;
return 0;
}
return mSyncStatus;
}
return OK;
}
status_t AuthorDriver::enqueueCommand(author_command *ac, media_completion_f comp, void *cookie)
{
if (mAuthor == NULL) {
return NO_INIT;
}
// If the user didn't specify a completion callback, we
// are running in synchronous mode.
if (comp == NULL) {
ac->comp = AuthorDriver::syncCompletion;
ac->cookie = this;
} else {
ac->comp = comp;
ac->cookie = cookie;
}
// Add the command to the queue.
mQueueLock.lock();
mCommandQueue.push_front(ac);
// make a copy of this semaphore for special handling of the AUTHOR_QUIT command
OsclSemaphore *syncsemcopy = mSyncSem;
// make a copy of ac->which, since ac will be deleted by the standard completion function
author_command_type whichcopy = ac->which;
// Wake up the author thread so it can dequeue the command.
if (mCommandQueue.size() == 1) {
PendComplete(OSCL_REQUEST_ERR_NONE);
}
mQueueLock.unlock();
// If we are in synchronous mode, wait for completion.
if (syncsemcopy) {
syncsemcopy->Wait();
if (whichcopy == AUTHOR_QUIT) {
syncsemcopy->Close();
delete syncsemcopy;
return 0;
}
return mSyncStatus;
}
return OK;
}
int PlayerDriver::playerThread()
{
int error;
LOGV("InitializeForThread");
if(!InitializeForThread())
{
LOGV("InitializeForThread fail");
mPlayer = NULL;
mSyncSem->Signal();
return -1;
}
LOGV("OMX_Init");
PV_MasterOMX_Init();
LOGV("OsclScheduler::Init");
OsclScheduler::Init("AndroidPVWrapper");
LOGV("CreatePlayer");
OSCL_TRY(error, mPlayer = PVPlayerFactory::CreatePlayer(this, this, this));
if (error) {
// Just crash the first time someone tries to use it for now?
mPlayer = NULL;
mSyncSem->Signal();
return -1;
}
LOGV("AddToScheduler");
AddToScheduler();
LOGV("PendForExec");
PendForExec();
LOGV("OsclActiveScheduler::Current");
OsclExecScheduler *sched = OsclExecScheduler::Current();
LOGV("StartScheduler");
sched->StartScheduler(mSyncSem);
LOGV("DeletePlayer");
PVPlayerFactory::DeletePlayer(mPlayer);
delete mDownloadContextData;
mDownloadContextData = NULL;
delete mDataSource;
mDataSource = NULL;
delete mAudioSink;
PVMediaOutputNodeFactory::DeleteMediaOutputNode(mAudioNode);
delete mAudioOutputMIO;
delete mVideoSink;
if (mVideoNode) {
PVMediaOutputNodeFactory::DeleteMediaOutputNode(mVideoNode);
delete mVideoOutputMIO;
}
mSyncStatus = OK;
mSyncSem->Signal();
// note that we only signal mSyncSem. Deleting it is handled
// in enqueueCommand(). This is done because waiting for an
// already-deleted OsclSemaphore doesn't work (it blocks),
// and it's entirely possible for this thread to exit before
// enqueueCommand() gets around to waiting for the semaphore.
// do some of destructor's work here
// goodbye cruel world
delete this;
//Moved after the delete this, as Oscl cleanup should be done in the end.
//delete this was cleaning up OsclSemaphore objects, eventually causing a crash
OsclScheduler::Cleanup();
LOGV("OsclScheduler::Cleanup");
PV_MasterOMX_Deinit();
UninitializeForThread();
return 0;
}