rvxvdfmt.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 139 行

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 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 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (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.  
 *  
 * 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 __RVXVDFMT_H__
#define __RVXVDFMT_H__

/****************************************************************************
 *  Defines
 */
#define RVXV_PIXEL_SIZE		12 
#define RVXV_PIXEL_FORMAT	HX_I420

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

/****************************************************************************
 *  Globals
 */
class CRVXVideoRenderer;

/****************************************************************************
 *  CRVXVideoFormat
 */
class CRVXVideoFormat : public CVideoFormat
{
public:
    /*
     *	Constructor/Destructor
     */
    CRVXVideoFormat(IHXCommonClassFactory* pCommonClassFactory,
		    CRVXVideoRenderer* pRVXVideoRenderer);
    virtual ~CRVXVideoFormat();
    
    /*
     *	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);

    virtual ULONG32 GetDefaultPreroll(IHXValues* pValues);

    /*
     *	Public, Custom functionality
     */
    HX_RESULT DecodeDone(HXCODEC_DATA* pData);

    ULONG32 GetBitstreamHeaderSize(void);
    const HX_MOF* GetBitstreamHeader(void);

    ULONG32 m_ulMaxDecodedFrames;
    CRVXVideoRenderer* m_pRVXVideoRenderer;

protected:
    /*
     *	Protected but Customizable functionality - derived
     */
    virtual CMediaPacket* CreateAssembledPacket(IHXPacket* pCodecData);
    virtual CMediaPacket* CreateDecodedPacket(CMediaPacket* pFrameToDecode);
    virtual CRVXVDecoder* CreateDecoder();
    virtual void          CheckPacketBuffer(HXCODEC_DATA* pCodecData) {};

    virtual ULONG32 GetMaxDecodedFrames(void);

    CRVXVDecoder* m_pDecoder;
private:
    static void KillRVXSampleDesc(void* pSampleDesc, void* pUserData);
    static void KillInputBuffer(void* pBuffer, void* pUserData);
    static void KillOutputBuffer(void* pBuffer, void* pUserData);

    HX_RESULT SetupOutputFormat(HX_MOF* pMof, HX_MOFTAG moftagIn);
    HX_RESULT CreateAllocators(void);

    void FlushDecodedRngBuf(void);

    void _Reset(void);
    void ReleaseDecodedPacket(HXCODEC_DATA* &pDecodedData);

    RVXPayloadFormat* m_pRssm;

    CHXMemoryAllocator* m_pInputAllocator;

    CRingBuffer* m_pDecodedRngBuf;

    HXxSize m_sMediaSize;
    ULONG32 m_ulWidthContainedInSegment;
    ULONG32 m_ulHeightContainedInSegment;
    HXBitmapInfoHeader* m_pCodecOutputBIH;

    BOOL m_bFirstDecode;
    ULONG32 m_ulLastSequenceNumber;
    BOOL m_bFlushingToKeyFrame; // used to remember we are flushing to the next key frame
};

#endif	// __RVXVDFMT_H__