libav_decoder.h

linux下实现视频播放的播放器

/*
 *  Copyright (C) 2005-2007  gulikoza, mtrooper
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/* $Id$ */

#ifndef __LIBAVDECODER_H__
#define __LIBAVDECODER_H__

#if (C_HAS_LIBAVCODEC)

extern "C" {
#include <ffmpeg/avcodec.h>
}

#define MODULE "libav_decoder"

class libav_decoder : public Decoder {
private:
    enum CodecID codecID;

protected:
    int Run();

public:
    libav_decoder(const bool wait, enum CodecID cID, const unsigned int buffersize = BUFFERSIZE):Decoder(wait, buffersize), codecID(cID) {
        // Create a fifo queue for pts stamps
	fifo = new FIFO(64);

	// Signal main thread to connect us to the renderer
	SDL_Event event;
	event.type = SDL_USEREVENT+1;
	event.user.data1 = (void*)this;
	event.user.data2 = (void*)SDL_IYUV_OVERLAY;
	events->Push(&event);
    }

    ~libav_decoder() {
	fifo->End();
	TerminateThread();

	// Signal main thread to disconnect us from the renderer
	SDL_Event event;
	event.type = SDL_USEREVENT+1;
	event.user.data1 = NULL;
	events->Push(&event);

	SAFE_DELETE(fifo);
     }
};

#undef MODULE

#endif // (C_HAS_LIBAVCODEC)

#endif 	// __LIBAVDECODER_H__