mdpkt.h
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上传日期:2007-06-06
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- /* ***** 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 _MDPKT_H_
- #define _MDPKT_H_
- /****************************************************************************
- * Includes
- */
- #include "hxtypes.h"
- #include "hxresult.h"
- #include "hxassert.h"
- /****************************************************************************
- * Globals
- */
- typedef void (*MPBufferKillerFunc) (void* pBuffer,
- void* pUserData);
- typedef void (*MPSampleDescKillerFunc) (void* pSampleDesc,
- void* pUserData);
- enum
- {
- MDPCKT_IS_KEYFRAME_FLAG = 1,
- MDPCKT_FOLLOWS_LOSS_FLAG = 2,
- MDPCKT_HAS_UKNOWN_TIME_FLAG = 4,
- MDPCKT_HAS_MARKER_FLAG = 8,
- MDPCKT_USES_IHXBUFFER_FLAG = 128
- };
- /****************************************************************************
- * CMediaPacket
- */
- class CMediaPacket
- {
- public:
- CMediaPacket(void)
- : m_pBuffer(NULL)
- , m_pData(NULL)
- , m_ulDataSize(0)
- , m_ulBufferSize(0)
- , m_ulTime(0)
- , m_ulFlags(0)
- , m_pSampleDesc(NULL)
- , m_pUserData(NULL)
- , m_fpSampleDescKiller(NULL)
- , m_fpBufferKiller(NULL)
- {
- ;
- }
-
- CMediaPacket(void* pBuffer,
- UINT8* pData,
- ULONG32 ulBufferSize,
- ULONG32 ulDataSize,
- ULONG32 ulTime,
- ULONG32 ulFlags,
- void* pSampleDesc)
- : m_pBuffer(pBuffer)
- , m_pData(pData)
- , m_ulBufferSize(ulBufferSize)
- , m_ulDataSize(ulDataSize)
- , m_ulTime(ulTime)
- , m_ulFlags(ulFlags)
- , m_pSampleDesc(pSampleDesc)
- , m_pUserData(NULL)
- , m_fpSampleDescKiller(NULL)
- , m_fpBufferKiller(NULL)
- {
- if (IsUsingIHXBuffer())
- {
- ((IHXBuffer*) pBuffer)->AddRef();
- }
- }
-
- CMediaPacket(void* pBuffer,
- ULONG32 ulBufferSize,
- ULONG32 ulFlags = 0)
- : m_pBuffer(pBuffer)
- , m_pData(0)
- , m_ulBufferSize(ulBufferSize)
- , m_ulDataSize(0)
- , m_ulTime(0)
- , m_ulFlags(ulFlags)
- , m_pSampleDesc(NULL)
- , m_pUserData(NULL)
- , m_fpSampleDescKiller(NULL)
- , m_fpBufferKiller(NULL)
- {
- if (IsUsingIHXBuffer())
- {
- ((IHXBuffer*) pBuffer)->AddRef();
- }
- }
- ~CMediaPacket()
- {
- ;
- }
-
- void Init(UINT8* pData,
- ULONG32 ulDataSize,
- ULONG32 ulTime,
- ULONG32 ulFlags,
- void* pSampleDesc)
- {
- m_pData = pData;
- m_ulDataSize = ulDataSize;
- m_ulTime = ulTime;
- if (IsUsingIHXBuffer())
- {
- m_ulFlags = ulFlags | MDPCKT_USES_IHXBUFFER_FLAG;
- }
- else
- {
- m_ulFlags = ulFlags;
- }
- if (m_pSampleDesc && m_fpSampleDescKiller)
- {
- (*m_fpSampleDescKiller)(m_pSampleDesc, m_pUserData);
- }
- m_pSampleDesc = pSampleDesc;
- }
- void Clear(void)
- {
- if (m_pBuffer)
- {
- if (IsUsingIHXBuffer())
- {
- ((IHXBuffer*) m_pBuffer)->Release();
- }
- else
- {
- if (m_fpBufferKiller)
- {
- (*m_fpBufferKiller)(m_pBuffer, m_pUserData);
- }
- else
- {
- delete [] ((UINT8*) m_pBuffer);
- }
- }
- m_pBuffer = NULL;
- }
- m_pData = NULL;
- if (m_pSampleDesc)
- {
- if (m_fpSampleDescKiller)
- {
- (*m_fpSampleDescKiller)(m_pSampleDesc, m_pUserData);
- }
- m_pSampleDesc = NULL;
- }
- }
- void SetBuffer(void* pBuffer,
- UINT8* pData,
- ULONG32 ulBufferSize,
- ULONG32 ulDataSize,
- ULONG32 ulBufferFlag = 0)
- {
- if (m_pBuffer)
- {
- if (IsUsingIHXBuffer())
- {
- ((IHXBuffer*) m_pBuffer)->Release();
- }
- else
- {
- if (m_fpBufferKiller)
- {
- (*m_fpBufferKiller)(m_pBuffer, m_pUserData);
- }
- else
- {
- delete [] ((UINT8*) m_pBuffer);
- }
- }
- }
- m_pBuffer = pBuffer;
- NoteIHXBuffer(ulBufferFlag == MDPCKT_USES_IHXBUFFER_FLAG);
- if (IsUsingIHXBuffer())
- {
- ((IHXBuffer*) m_pBuffer)->AddRef();
- }
- m_pData = pData;
- m_ulBufferSize = ulBufferSize;
- m_ulDataSize = ulDataSize;
- }
- BOOL IsUsingIHXBuffer(void)
- {
- return ((m_ulFlags & MDPCKT_USES_IHXBUFFER_FLAG) != 0);
- }
- void SetSampleDesc(void* pSampleDesc)
- {
- if (m_pSampleDesc && m_fpSampleDescKiller)
- {
- (*m_fpSampleDescKiller)(m_pSampleDesc, m_pUserData);
- }
- m_pSampleDesc = pSampleDesc;
- }
- void SetSampleDescKiller(MPSampleDescKillerFunc fpSampleDescKiller)
- {
- m_fpSampleDescKiller = fpSampleDescKiller;
- }
- void SetBufferKiller(MPBufferKillerFunc fpBufferKiller)
- {
- m_fpBufferKiller = fpBufferKiller;
- }
- static ULONG32 GetBufferSize(CMediaPacket* pPacket)
- {
- return pPacket->m_ulBufferSize;
- }
- static void DeletePacket(CMediaPacket* pPacket)
- {
- pPacket->Clear();
- delete pPacket;
- }
-
- UCHAR* m_pData;
- ULONG32 m_ulDataSize;
- ULONG32 m_ulTime;
- ULONG32 m_ulFlags;
- void* m_pSampleDesc;
- void* m_pUserData;
- private:
- MPBufferKillerFunc m_fpBufferKiller;
- MPSampleDescKillerFunc m_fpSampleDescKiller;
- void NoteIHXBuffer(BOOL bUsesIHXBuffer)
- {
- m_ulFlags = m_ulFlags & (~MDPCKT_USES_IHXBUFFER_FLAG);
- m_ulFlags |= (bUsesIHXBuffer ? MDPCKT_USES_IHXBUFFER_FLAG : 0);
- }
- void* m_pBuffer;
- ULONG32 m_ulBufferSize;
- };
- #endif // _MDPKT_H_