subtitles.cpp

<VC++视频音频开发>一书的光盘资料。

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#include "Subtitles.h"



MediaSubtitler::MediaSubtitler()
{
	this->microDVDSubtitler = new MediaSubtitlerMicroDVD();
	this->subtitler         = NULL;
}

MediaSubtitler::~MediaSubtitler()
{
	delete this->microDVDSubtitler;
}


media_type_t  MediaSubtitler::GetType()
{
	return MEDIA_TYPE_SUBTITLER;
}

char         *MediaSubtitler::GetName()
{
	if(this->subtitler) {

		return this->subtitler->GetName();
	}

	return "Subtitler Wrapper";
}

MP_RESULT     MediaSubtitler::Connect(MediaItem *item)
{	
	if(this->subtitler)
		return this->subtitler->Connect(item);

	return MP_RESULT_ERROR;
}

MP_RESULT     MediaSubtitler::ReleaseConnections()
{
	if(this->subtitler)
		return this->subtitler->ReleaseConnections();

	return MP_RESULT_ERROR;
}

DWORD         MediaSubtitler::GetCaps()
{
	return 0;
}

MP_RESULT     MediaSubtitler::Configure(HINSTANCE hInstance, HWND hwnd)
{
	return MP_RESULT_ERROR;
}



MP_RESULT     MediaSubtitler::Open(char *lpFilename)
{
	if(this->microDVDSubtitler->Open(lpFilename) == MP_RESULT_OK) {

		this->subtitler = (MediaItemSubtitler *) this->microDVDSubtitler;
		return MP_RESULT_OK;
	}

	return MP_RESULT_ERROR;
}

subtitles_t  *MediaSubtitler::GetSubtitles(DWORD frameNumber)
{
	if(this->subtitler)
		return this->subtitler->GetSubtitles(frameNumber);

	return NULL;
}

MP_RESULT     MediaSubtitler::Close()
{
	if(this->subtitler)
		return this->subtitler->Close();

	return MP_RESULT_ERROR;
}