h261vidfmt.h

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: h261vidfmt.h,v 1.1.8.1 2004/07/09 01:50:08 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 * 
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 * 
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 * 
 * Contributor(s):
 * 
 * ***** END LICENSE BLOCK ***** */

#ifndef __H261VIDFMT_H__
#define __H261VIDFMT_H__

/****************************************************************************
 *  Defines
 */
#define H261_PIXEL_SIZE		12
#define H261_PIXEL_FORMAT	HX_I420

/****************************************************************************
 *  Includes
 */
#include "vidrendf.h"
#include "hxformt.h"

#include "inet.h"
#include "rtp.h"
#include "p64.h"
#include "decoder.h"

/****************************************************************************
 *  Globals
 */
class CH261VideoRenderer;

/****************************************************************************
 *  CH261VideoFormat
 */
class CH261VideoFormat : public CVideoFormat,
                         public H261Decoder
{
public:
    /*
     *	Constructor/Destructor
     */
    CH261VideoFormat(IHXCommonClassFactory* pCommonClassFactory,
		     CH261VideoRenderer* pH261VideoRenderer,
		     BOOL bSecure = FALSE);
    virtual ~CH261VideoFormat();
    
    /*
     *	Public and Customizable functionality - derived
     */
    virtual HX_RESULT Init(IHXValues* pHeader);
    
    virtual void Reset(void);

    virtual HX_RESULT InitBitmapInfoHeader(HXBitmapInfoHeader &bitmapInfoHeader,
					   CMediaPacket* pVideoPacket);

    virtual BOOL IsBitmapFormatChanged(HXBitmapInfoHeader &BitmapInfoHeader,
				       CMediaPacket* pVideoPacket);

protected:
    /*
     *	Protected but Customizable functionality - derived
     */
    virtual CMediaPacket* CreateAssembledPacket(IHXPacket* pCodecData);
    virtual CMediaPacket* CreateDecodedPacket(CMediaPacket* pFrameToDecode);
 
private:
    static void KillH261SampleDesc(void* pSampleDesc, void* pUserData);

    void _Reset(void);

    CH261VideoRenderer* m_pH261VideoRenderer;

    HXxSize* m_pAssmDims;
};

#endif	// __H261VIDFMT_H__