h263vidfmt.cpp
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:18k
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: h263vidfmt.cpp,v 1.8.2.2 2004/07/23 06:43:53 pankajgupta 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 ***** */
- /****************************************************************************
- * Defines
- */
- #define _OVERALLOC_CODEC_DATA 3
- #define MP4V_RN_3GPP_H263_PAYLOAD_MIME_TYPE "video/X-RN-3GPP-H263"
- #if defined(HELIX_FEATURE_VIDEO_H263_FAVOR_CORRUPTEDFRAMES_OVER_JITTER)
- #define NON_KEYFRM_DCDE_FALLBEHIND_THRSHLD -33 // in milliseconds
- #else
- #define NON_KEYFRM_DCDE_FALLBEHIND_THRSHLD -800 // in milliseconds
- #endif // HELIX_FEATURE_VIDEO_H263_FAVOR_CORRUPTEDFRAMES_OVER_JITTER
- #define DFLT_MAX_IMG_WIDTH 176
- #define DFLT_MAX_IMG_HEIGHT 144
- #define CCCC_ENCODE(b1, b2, b3, b4) ((b1 << 24) |
- (b2 << 16) |
- (b3 << 8) |
- b4)
- /****************************************************************************
- * Includes
- */
- #include "h263vidfmt.h"
- #include "hxasm.h"
- #include "hxwin.h"
- #include "hxvsurf.h"
- // #include "hxvctrl.h"
- #include "hxsite2.h"
- #include "hxthread.h"
- #include "hxtick.h"
- #include "hxassert.h"
- #include "hxstrutl.h"
- #include "hxmarsh.h"
- #include "unkimp.h"
- #include "timeval.h"
- #include "cttime.h"
- // #include "qtbatom.h"
- #include "h263video.h"
- /****************************************************************************
- * Locals
- */
- /****************************************************************************
- * Method:
- * CQTVideoFormat::CQTVideoFormat
- *
- */
- CH263VideoFormat::CH263VideoFormat(IHXCommonClassFactory* pCommonClassFactory,
- CH263VideoRenderer* pH263VideoRenderer)
- : CVideoFormat(pCommonClassFactory, pH263VideoRenderer)
- , m_pH263VideoRenderer(pH263VideoRenderer)
- , m_pRssm(NULL)
- , m_pMaxDims(NULL)
- , m_pAssmDims(NULL)
- , m_pDecoder(NULL)
- , m_ulDecoderBufSize(0)
- {
- HX_ASSERT(m_pCommonClassFactory);
- HX_ASSERT(pH263VideoRenderer);
- m_pH263VideoRenderer->AddRef();
- }
- /****************************************************************************
- * Method:
- * CQTVideoFormat::~CQTVideoFormat
- *
- */
- CH263VideoFormat::~CH263VideoFormat()
- {
- HX_RELEASE(m_pH263VideoRenderer);
- if (m_pRssm)
- {
- m_pRssm->Close();
- m_pRssm->Release();
- m_pRssm = NULL;
- }
- HX_DELETE(m_pDecoder);
- HX_DELETE(m_pMaxDims);
- _Reset();
- }
- /****************************************************************************
- * Method:
- * CQTVideoFormat::Init
- *
- */
- HX_RESULT CH263VideoFormat::Init(IHXValues* pHeader)
- {
- IHXBuffer* pMimeType = NULL;
- const char* pMimeTypeData = NULL;
- HX_RESULT retVal = CVideoFormat::Init(pHeader);
- if (SUCCEEDED(retVal))
- {
- retVal = pHeader->GetPropertyCString("MimeType", pMimeType);
- }
- if (SUCCEEDED(retVal))
- {
- pMimeTypeData = (char*) pMimeType->GetBuffer();
- retVal = HXR_FAIL;
- if (pMimeTypeData)
- {
- retVal = HXR_OK;
- }
- }
- if (SUCCEEDED(retVal))
- {
- if (strcasecmp(pMimeTypeData,
- MP4V_RN_3GPP_H263_PAYLOAD_MIME_TYPE) == 0)
- {
- IHXBuffer* pConfigData = NULL;
- retVal = pHeader->GetPropertyBuffer("OpaqueData", pConfigData);
- if (SUCCEEDED(retVal))
- {
- retVal = ConfigFrom3GPPHeader(pConfigData);
- }
- HX_RELEASE(pConfigData);
- // This payload is raw H263 frames and needs no assembly
- HX_RELEASE(m_pRssm);
- }
- else
- {
- // Assume H263 payload - Create Packet Assembler
- retVal = HXR_OUTOFMEMORY;
- m_pRssm = new CH263PayloadFormat();
- if (m_pRssm)
- {
- m_pRssm->AddRef();
- retVal = HXR_OK;
- }
- }
- }
- HX_RELEASE(pMimeType);
- // Create Decoder
- if (SUCCEEDED(retVal))
- {
- retVal = HXR_OUTOFMEMORY;
- m_pDecoder = CreateDecoder();
- if (m_pDecoder)
- {
- retVal = HXR_OK;
- }
- }
- if (SUCCEEDED(retVal) && m_pRssm)
- {
- retVal = m_pRssm->Init(m_pCommonClassFactory, FALSE);
- }
- if (SUCCEEDED(retVal) && m_pRssm)
- {
- retVal = m_pRssm->SetStreamHeader(pHeader);
- }
- m_DecoderDims.cx = 0;
- m_DecoderDims.cy = 0;
- return retVal;
- }
- /****************************************************************************
- * Method:
- * CQTVideoFormat::CreateAssembledPacket
- *
- */
- CMediaPacket* CH263VideoFormat::CreateAssembledPacket(IHXPacket* pCodecData)
- {
- CMediaPacket* pFramePacket = NULL;
- IHXPacket* pPacket = NULL;
- m_pH263VideoRenderer->BltIfNeeded();
- if (m_pRssm)
- {
- m_LastError = m_pRssm->SetPacket(pCodecData);
- if( m_LastError == HXR_OUTOFMEMORY )
- {
- return NULL;
- }
- m_pRssm->GetPacket(pPacket);
- }
- else if (!pCodecData->IsLost())
- {
- // Since there is no packet assembler - assume no assembly is needed
- pPacket = pCodecData;
- pPacket->AddRef();
- }
- if (pPacket)
- {
- HXxSize FrameDims;
- HXxSize* pFrameDims = NULL;
- IHXBuffer* pBuffer = pPacket->GetBuffer();
- if (pBuffer)
- {
- #ifdef _TRUST_MAX_DIMS_WHEN_AVAILABLE
- if (!m_pMaxDims)
- #endif // _TRUST_MAX_DIMS_WHEN_AVAILABLE
- {
- HX_RESULT status =
- CH263PayloadFormat::GetFrameDimensions(pBuffer, FrameDims);
- if (status == HXR_NO_DATA)
- {
- // This is a custom size H263+ and we do not parse the
- // bitstream deep enough to get to the custom size
- if (m_pMaxDims &&
- (m_pMaxDims->cx != 0) &&
- (m_pMaxDims->cy != 0))
- {
- FrameDims = *m_pMaxDims;
- }
- else
- {
- FrameDims.cx = DFLT_MAX_IMG_WIDTH;
- FrameDims.cy = DFLT_MAX_IMG_HEIGHT;
- }
- }
- // Assembler can extract the frame dimensions
- if ((status == HXR_OK) || (status == HXR_NO_DATA))
- {
- if (!m_pAssmDims)
- {
- m_pAssmDims = new HXxSize;
- pFrameDims = new HXxSize;
- if (pFrameDims && m_pAssmDims)
- {
- *m_pAssmDims = *pFrameDims = FrameDims;
- if (status == HXR_OK)
- {
- // we resize only on actual frame dimensions
- m_pH263VideoRenderer->ResizeViewFrame(FrameDims);
- }
- }
- else
- {
- HX_DELETE(m_pAssmDims);
- HX_DELETE(pFrameDims);
- }
- }
- else
- {
- if (*m_pAssmDims != FrameDims)
- {
- pFrameDims = new HXxSize;
- if (pFrameDims)
- {
- *pFrameDims = FrameDims;
- }
- else
- {
- HX_DELETE(m_pAssmDims);
- }
- }
- }
- }
- }
- #ifdef _TRUST_MAX_SIZE_WHEN_AVAILABLE
- else if ((!m_pAssmDims) && m_pMaxDims)
- {
- // If assembler is absent, we should have max. dimensions
- // from out-of and config. data
- m_pAssmDims = new HXxSize;
- pFrameDims = new HXxSize;
- if (pFrameDims && m_pAssmDims)
- {
- *m_pAssmDims = *pFrameDims = *m_pMaxDims;
- }
- else
- {
- HX_DELETE(m_pAssmDims);
- HX_DELETE(pFrameDims);
- }
- }
- #endif // _TRUST_MAX_DIMS_WHEN_AVAILABLE
- if (m_pAssmDims)
- {
- ULONG32 ulDataSize = pBuffer->GetSize();
- ULONG32 ulNewBufferSize = ulDataSize;
- UINT8* pData = pBuffer->GetBuffer();
- UINT8* pNewBuffer = (UINT8*) pBuffer;
- ULONG32 ulFlags = MDPCKT_USES_IHXBUFFER_FLAG;
- #ifdef _OVERALLOC_CODEC_DATA
- // If Reassembler is present, it is responsible for overallocating
- // data if needed
- if (!m_pRssm)
- {
- ulFlags = 0;
- ulNewBufferSize += _OVERALLOC_CODEC_DATA;
- pNewBuffer = new UINT8 [ulNewBufferSize];
- if (pNewBuffer)
- {
- memcpy(pNewBuffer, pData, ulDataSize); /* Flawfinder: ignore */
- }
- pData = pNewBuffer;
- }
- #endif // _OVERALLOC_CODEC_DATA
- if (pNewBuffer)
- {
- pFramePacket = new CMediaPacket(
- pNewBuffer,
- pData,
- ulNewBufferSize,
- ulDataSize,
- pPacket->GetTime(),
- ulFlags,
- pFrameDims);
- }
- if (pFramePacket)
- {
- pFramePacket->SetSampleDescKiller(KillH263ampleDesc);
- }
- else
- {
- m_LastError = HXR_OUTOFMEMORY;
- }
- }
- pBuffer->Release();
- }
- if( m_LastError != HXR_OUTOFMEMORY )
- {
- m_pH263VideoRenderer->BltIfNeeded();
- }
- pPacket->Release();
- }
- else
- {
- if (pCodecData->IsLost())
- {
- #if defined(HELIX_FEATURE_STATS)
- m_pH263VideoRenderer->ReportLostFrame();
- #endif /* #if defined(HELIX_FEATURE_STATS) */
- }
- }
- return pFramePacket;
- }
- /****************************************************************************
- * Method:
- * CQTVideoFormat::Reset
- *
- */
- void CH263VideoFormat::Reset()
- {
- _Reset();
- CVideoFormat::Reset();
- }
- void CH263VideoFormat::_Reset(void)
- {
- HX_DELETE(m_pAssmDims);
- if (m_pRssm)
- {
- m_pRssm->Reset();
- }
- m_DecoderDims.cx = 0;
- m_DecoderDims.cy = 0;
- m_ulDecoderBufSize = 0;
- }
- /****************************************************************************
- * Method:
- * CQTVideoFormat::CreateDecodedPacket
- *
- */
- CMediaPacket* CH263VideoFormat::CreateDecodedPacket(CMediaPacket* pFrameToDecode)
- {
- HXxSize currentFrameDims;
- CMediaPacket* pDecodedFrame = NULL;
- UINT8* pData = NULL;
- HX_ASSERT(pFrameToDecode);
- // Compute Decode Buffer Storage if info. available
- if (pFrameToDecode->m_pSampleDesc)
- {
- if (memcmp(pFrameToDecode->m_pSampleDesc,
- &m_DecoderDims,
- sizeof(HXxSize)) != 0)
- {
- m_DecoderDims = *((HXxSize*) pFrameToDecode->m_pSampleDesc);
- m_ulDecoderBufSize = m_DecoderDims.cx *
- m_DecoderDims.cy *
- H263_PIXEL_SIZE /
- 8;
- m_LastFrameDims = m_DecoderDims;
- if (m_pDecoder->InitDecoder(&m_DecoderDims) != HXR_OK)
- {
- m_DecoderDims.cx = 0;
- m_DecoderDims.cy = 0;
- m_ulDecoderBufSize = 0;
- }
- }
- }
- // Get the storage for the Decode Buffer
- if (m_ulDecoderBufSize > 0)
- {
- CMediaPacket* pVideoPacket = NULL;
- pVideoPacket = (CMediaPacket*) m_pFramePool->Get(m_ulDecoderBufSize);
- if (pVideoPacket)
- {
- pData = pVideoPacket->m_pData;
- HX_ASSERT(pData);
- pVideoPacket->Init(pData,
- m_ulDecoderBufSize,
- pFrameToDecode->m_ulTime,
- 0,
- pFrameToDecode->m_pSampleDesc);
- pFrameToDecode->m_pSampleDesc = NULL;
- pDecodedFrame = pVideoPacket;
- }
- else
- {
- pData = new UINT8 [m_ulDecoderBufSize];
- }
- }
- if (pData && m_pH263VideoRenderer->IsActive())
- {
- LONG32 lTimeAhead;
- lTimeAhead = m_pH263VideoRenderer->ComputeTimeAhead(
- pFrameToDecode->m_ulTime,
- 0);
- if (lTimeAhead < NON_KEYFRM_DCDE_FALLBEHIND_THRSHLD)
- {
- // Throw away this frame
- if (pDecodedFrame)
- {
- m_pFramePool->Put(pDecodedFrame);
- pDecodedFrame = NULL;
- pData = NULL;
- }
- else
- {
- delete [] pData;
- pData = NULL;
- }
- #if defined(HELIX_FEATURE_STATS)
- m_pH263VideoRenderer->ReportDroppedFrame();
- #endif /* #if defined(HELIX_FEATURE_STATS) */
- }
- }
- // Decode
- if (pData)
- {
- m_pH263VideoRenderer->BltIfNeeded();
- if (m_pDecoder->DecodeFrame(pFrameToDecode,
- pData,
- ¤tFrameDims) != HXR_OK)
- {
- // Throw away this frame
- if (pDecodedFrame)
- {
- m_pFramePool->Put(pDecodedFrame);
- pDecodedFrame = NULL;
- pData = NULL;
- }
- else
- {
- delete [] pData;
- pData = NULL;
- }
- #if defined(HELIX_FEATURE_STATS)
- m_pH263VideoRenderer->ReportDroppedFrame();
- #endif /* #if defined(HELIX_FEATURE_STATS) */
- }
- }
- m_pH263VideoRenderer->BltIfNeeded();
- // If the frame is not formed yet, form it
- if (!pDecodedFrame)
- {
- if (pData)
- {
- // Data exists to form the docoded packet with
- pFrameToDecode->SetBuffer(pData,
- pData,
- m_ulDecoderBufSize,
- m_ulDecoderBufSize);
- pDecodedFrame = pFrameToDecode;
- pFrameToDecode = NULL;
- // If there is a change in frame size, forward the change
- if (m_LastFrameDims != currentFrameDims)
- {
- HXxSize* pNewFrameDims = new HXxSize;
- HX_ASSERT(currentFrameDims.cx <= m_DecoderDims.cx);
- HX_ASSERT(currentFrameDims.cy <= m_DecoderDims.cy);
- if (pNewFrameDims)
- {
- *pNewFrameDims = currentFrameDims;
- pDecodedFrame->SetSampleDesc(pNewFrameDims);
- m_LastFrameDims = currentFrameDims;
- }
- }
- }
- else if (pFrameToDecode->m_pSampleDesc)
- {
- // No data exists to form the frame with, but description
- // exists and must be passed down the pipe - form empty
- // frame packet
- pDecodedFrame = pFrameToDecode;
- pDecodedFrame->m_pData = NULL;
- pDecodedFrame->m_ulDataSize = 0;
- pFrameToDecode = NULL;
- }
- }
- if (pFrameToDecode != NULL)
- {
- pFrameToDecode->Clear();
- delete pFrameToDecode;
- }
- return pDecodedFrame;
- }
- /****************************************************************************
- * Method:
- * CH263VideoFormat::CSecureH263VideoFormat
- *
- */
- CH263Decoder* CH263VideoFormat::CreateDecoder()
- {
- return new CH263Decoder(m_pH263VideoRenderer->GetContext());
- }
- /****************************************************************************
- * Method:
- * CH263VideoFormat::ConfigFrom3GPPHeader
- *
- */
- HX_RESULT CH263VideoFormat::ConfigFrom3GPPHeader(IHXBuffer* pConfigData)
- {
- UINT8* pData;
- ULONG32 ulSize;
- HX_RESULT retVal = HXR_FAIL;
- HX_DELETE(m_pMaxDims);
- if (pConfigData)
- {
- pData = pConfigData->GetBuffer();
- ulSize = pConfigData->GetSize();
- m_pMaxDims = new HXxSize;
- retVal = HXR_OUTOFMEMORY;
- }
- if (m_pMaxDims)
- {
- retVal = HXR_OK;
- // We'll assume unknown size
- m_pMaxDims->cx = 0;
- m_pMaxDims->cy = 0;
- if (ulSize >= sizeof(DecoderSpecificInfoV20))
- {
- // Try 3GPP-v2.0 DecoderSpecificInfo
- if (getlong(((DecoderSpecificInfoV20*) pData)->pType)
- == CCCC_ENCODE('d', '2', '6', '3'))
- {
- // Looks good as 3GPP-v2.0 DecoderSpecificInfo
- ;
- }
- else if ((ulSize >= sizeof(DecoderSpecificInfoV10))&&
- (((DecoderSpecificInfoV10*) pData)->pTag[0] == 0x05))
- {
- // Looks good as 3GPP-v1.0 DecoderSpecificInfo
- m_pMaxDims->cx = getshort(
- ((DecoderSpecificInfoV10*) pData)->pMaxWidth);
- m_pMaxDims->cy = getshort(
- ((DecoderSpecificInfoV10*) pData)->pMaxHeight);
- }
- }
- }
- return retVal;
- }
- /****************************************************************************
- * Method:
- * CH263VideoFormat::IsBitmapFormatChanged
- *
- */
- BOOL CH263VideoFormat::IsBitmapFormatChanged(
- HXBitmapInfoHeader &BitmapInfoHeader,
- CMediaPacket* pVideoPacket)
- {
- if (pVideoPacket->m_pSampleDesc != NULL)
- {
- HXxSize* pDims = (HXxSize*) pVideoPacket->m_pSampleDesc;
- if ((BitmapInfoHeader.biWidth != pDims->cx) ||
- (BitmapInfoHeader.biHeight != pDims->cy))
- {
- return TRUE;
- }
- }
- return FALSE;
- }
- /****************************************************************************
- * Method:
- * CH263VideoFormat::InitBitmapInfoHeader
- *
- */
- HX_RESULT CH263VideoFormat::InitBitmapInfoHeader(
- HXBitmapInfoHeader &bitmapInfoHeader,
- CMediaPacket* pVideoPacket)
- {
- HXxSize* pDims = (HXxSize*) pVideoPacket->m_pSampleDesc;
- if (pDims)
- {
- bitmapInfoHeader.biWidth = pDims->cx;
- bitmapInfoHeader.biHeight = pDims->cy;
- bitmapInfoHeader.biSizeImage = bitmapInfoHeader.biWidth *
- bitmapInfoHeader.biHeight *
- bitmapInfoHeader.biBitCount /
- 8;
- }
- return HXR_OK;
- }
- /****************************************************************************
- * Method:
- * CH263VideoFormat::KillH263ampleDesc
- *
- */
- void CH263VideoFormat::KillH263ampleDesc(void* pSampleDesc, void* pUserData)
- {
- if (pSampleDesc)
- {
- HXxSize* pFrameDims = (HXxSize*) pSampleDesc;
- delete pFrameDims;
- }
- }