/************************************************************************************
This source file is part of the Theora Video Playback Library
For latest info, see http://libtheoraplayer.googlecode.com
*************************************************************************************
Copyright (c) 2008-2014 Kresimir Spes (kspes@cateia.com)
This program is free software; you can redistribute it and/or modify it under
the terms of the BSD license: http://opensource.org/licenses/BSD-3-Clause
*************************************************************************************/
#ifdef _WIN32
#pragma warning( disable: 4251 ) // MSVC++
#endif
#include "TheoraWorkerThread.h"
#include "TheoraVideoManager.h"
#include "TheoraVideoClip.h"
#include "TheoraUtil.h"

TheoraWorkerThread::TheoraWorkerThread() : TheoraThread()
{
	mClip = NULL;
}

TheoraWorkerThread::~TheoraWorkerThread()
{

}

void TheoraWorkerThread::execute()
{
	while (isRunning())
	{
		mClip = TheoraVideoManager::getSingleton().requestWork(this);
		if (!mClip)
		{
			_psleep(100);
			continue;
		}

		mClip->mThreadAccessMutex->lock();
		// if user requested seeking, do that then.
		if (mClip->mSeekFrame >= 0) mClip->doSeek();

		if (!mClip->decodeNextFrame())
			_psleep(1); // this happens when the video frame queue is full.

		mClip->mAssignedWorkerThread = NULL;
		mClip->mThreadAccessMutex->unlock();
		mClip = NULL;
	}
}