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Sweden-Number/dlls/quartz/mpgparse.c

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/*
* Implements MPEG-1 / MPEG-2 Parser(Splitter).
*
* FIXME - no splitter implementation.
* FIXME - no packet support (implemented payload only)
* FIXME - no seeking
*
* Copyright (C) 2002 Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "mmsystem.h"
#include "vfw.h"
#include "winerror.h"
#include "strmif.h"
#include "control.h"
#include "vfwmsgs.h"
#include "amvideo.h"
#include "mmreg.h"
#include "uuids.h"
#include "dvdmedia.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
#include "quartz_private.h"
#include "parser.h"
#include "mtype.h"
static const WCHAR QUARTZ_MPEG1Parser_Name[] =
{ 'M','P','E','G','-','I',' ','S','p','l','i','t','t','e','r',0 };
static const WCHAR QUARTZ_MPEG2Parser_Name[] =
{ 'M','P','E','G','-','2',' ','S','p','l','i','t','t','e','r',0 };
static const WCHAR QUARTZ_MPGParserInPin_Name[] =
{ 'I','n',0 };
static const WCHAR QUARTZ_MPGParserOutPin_VideoPinName[] =
{ 'V','i','d','e','o',0 };
static const WCHAR QUARTZ_MPGParserOutPin_AudioPinName[] =
{ 'A','u','d','i','o',0 };
/* FIXME */
static const WCHAR QUARTZ_MPGParserOutPin_UnknownTypePinName[] =
{ 'O','u','t',0 };
static DWORD bitratesl1[16] =
{ 0, 32, 64, 96,128,160,192,224,256,288,320,352,384,416,448, 0};
static DWORD bitratesl2[16] =
{ 0, 32, 48, 56, 64, 80, 96,112,128,160,192,224,256,320,384, 0};
static DWORD bitratesl3[16] =
{ 0, 32, 40, 48, 56, 64, 80, 96,112,128,160,192,224,256,320, 0};
/****************************************************************************
*
* CMPGParseImpl
*/
typedef struct CMPGParseImpl CMPGParseImpl;
typedef struct CMPGParsePayload CMPGParsePayload;
enum MPGPayloadType
{
MPGPayload_Video = 0xe0,
MPGPayload_Audio = 0xc0,
};
struct CMPGParseImpl
{
LONGLONG llPosNext;
BOOL bRawPayload;
DWORD dwPayloadBlockSizeMax;
DWORD cPayloads;
CMPGParsePayload* pPayloads;
};
struct CMPGParsePayload
{
enum MPGPayloadType payloadtype;
BOOL bDataDiscontinuity;
};
static HRESULT CMPGParseImpl_SyncReadPayload(
CParserImpl* pImpl, CMPGParseImpl* This,
enum MPGPayloadType payloadtype,
LONGLONG llPosStart, LONG lLength, BYTE* pbBuf )
{
if ( This == NULL || This->pPayloads == NULL )
return E_UNEXPECTED;
if ( This->bRawPayload )
{
if ( payloadtype != This->pPayloads[0].payloadtype )
return E_UNEXPECTED;
return IAsyncReader_SyncRead( pImpl->m_pReader, llPosStart, lLength, pbBuf );
}
else
{
FIXME( "not implemented\n" );
}
return E_NOTIMPL;
}
static HRESULT CMPGParseImpl_InitParser( CParserImpl* pImpl, ULONG* pcStreams )
{
CMPGParseImpl* This = NULL;
HRESULT hr;
BYTE hdrbuf[8];
TRACE("(%p,%p)\n",pImpl,pcStreams);
This = (CMPGParseImpl*)QUARTZ_AllocMem( sizeof(CMPGParseImpl) );
if ( This == NULL )
return E_OUTOFMEMORY;
pImpl->m_pUserData = This;
ZeroMemory( This, sizeof(CMPGParseImpl) );
hr = IAsyncReader_SyncRead( pImpl->m_pReader, 0, 8, hdrbuf );
if ( FAILED(hr) )
return hr;
if ( hr != S_OK )
return E_FAIL;
if ( hdrbuf[0] == 0x00 && hdrbuf[1] == 0x00 &&
hdrbuf[2] == 0x01 && hdrbuf[3] == 0xba )
{
This->bRawPayload = FALSE;
This->dwPayloadBlockSizeMax = 0;
FIXME( "no mpeg/system support\n" );
return E_FAIL;
}
else
if ( hdrbuf[0] == 0x00 && hdrbuf[1] == 0x00 &&
hdrbuf[2] == 0x01 && hdrbuf[3] == 0xb3 )
{
TRACE( "mpeg/video payload\n" );
This->llPosNext = 0;
This->bRawPayload = TRUE;
This->dwPayloadBlockSizeMax = 0x4000;
This->cPayloads = 1;
This->pPayloads = (CMPGParsePayload*)QUARTZ_AllocMem( sizeof(CMPGParsePayload) );
if ( This->pPayloads == NULL )
return E_OUTOFMEMORY;
*pcStreams = 1;
This->pPayloads[0].payloadtype = MPGPayload_Video;
This->pPayloads[0].bDataDiscontinuity = TRUE;
}
else
if ( hdrbuf[0] == 0xff && (hdrbuf[1]&0xf0) == 0xf0 )
{
TRACE( "mpeg/audio payload\n" );
This->llPosNext = 0;
This->bRawPayload = TRUE;
This->dwPayloadBlockSizeMax = 0;
This->cPayloads = 1;
This->pPayloads = (CMPGParsePayload*)QUARTZ_AllocMem( sizeof(CMPGParsePayload) );
if ( This->pPayloads == NULL )
return E_OUTOFMEMORY;
*pcStreams = 1;
This->pPayloads[0].payloadtype = MPGPayload_Audio;
This->pPayloads[0].bDataDiscontinuity = TRUE;
}
else
{
return E_FAIL;
}
return S_OK;
}
static HRESULT CMPGParseImpl_UninitParser( CParserImpl* pImpl )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
ULONG nIndex;
TRACE("(%p)\n",This);
if ( This == NULL )
return NOERROR;
/* destruct */
if ( This->pPayloads != NULL )
{
for ( nIndex = 0; nIndex < This->cPayloads; nIndex++ )
{
/* release this stream */
}
QUARTZ_FreeMem( This->pPayloads );
This->pPayloads = NULL;
}
QUARTZ_FreeMem( This );
pImpl->m_pUserData = NULL;
return NOERROR;
}
static LPCWSTR CMPGParseImpl_GetOutPinName( CParserImpl* pImpl, ULONG nStreamIndex )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
TRACE("(%p,%lu)\n",This,nStreamIndex);
if ( This == NULL || nStreamIndex >= This->cPayloads )
return NULL;
switch ( This->pPayloads[nStreamIndex].payloadtype )
{
case MPGPayload_Video:
return QUARTZ_MPGParserOutPin_VideoPinName;
case MPGPayload_Audio:
return QUARTZ_MPGParserOutPin_AudioPinName;
default:
FIXME("mpeg - unknown stream type %02x\n",This->pPayloads[nStreamIndex].payloadtype);
}
/* FIXME */
return QUARTZ_MPGParserOutPin_UnknownTypePinName;
}
static HRESULT CMPGParseImpl_GetStreamType( CParserImpl* pImpl, ULONG nStreamIndex, AM_MEDIA_TYPE* pmt )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
HRESULT hr;
BYTE hdrbuf[140+10];
UINT seqhdrlen;
MPEG1VIDEOINFO* pmpg1vi;
MPEG2VIDEOINFO* pmpg2vi;
MPEG1WAVEFORMAT* pmpg1wav;
enum MPGPayloadType payloadtype;
DWORD dwPayloadBlockSize;
TRACE("(%p,%lu,%p)\n",This,nStreamIndex,pmt);
if ( This == NULL )
return E_UNEXPECTED;
if ( nStreamIndex >= This->cPayloads )
return E_INVALIDARG;
ZeroMemory( pmt, sizeof(AM_MEDIA_TYPE) );
payloadtype = This->pPayloads[nStreamIndex].payloadtype;
switch ( payloadtype )
{
case MPGPayload_Video:
hr = CMPGParseImpl_SyncReadPayload(
pImpl, This, payloadtype, 0, 140+10, hdrbuf );
if ( FAILED(hr) )
return hr;
if ( hr != S_OK )
return E_FAIL;
memcpy( &pmt->majortype, &MEDIATYPE_Video, sizeof(GUID) );
seqhdrlen = 12;
if ( hdrbuf[seqhdrlen-1] & 0x2 )
seqhdrlen += 64;
if ( hdrbuf[seqhdrlen-1] & 0x1 )
seqhdrlen += 64;
if ( hdrbuf[seqhdrlen ] == 0x00 && hdrbuf[seqhdrlen+1] == 0x00 &&
hdrbuf[seqhdrlen+2] == 0x01 && hdrbuf[seqhdrlen+3] == 0xb5 )
{
/* video MPEG-2 */
FIXME("video MPEG-2\n");
if ( (hdrbuf[seqhdrlen+4]&0xf0) != 0x1 )
return E_FAIL;
memcpy( &pmt->subtype, &MEDIASUBTYPE_MPEG2_VIDEO, sizeof(GUID) );
memcpy( &pmt->formattype, &FORMAT_MPEG2_VIDEO, sizeof(GUID) );
pmt->bFixedSizeSamples = 0;
pmt->bTemporalCompression = 1;
pmt->lSampleSize = 0;
pmt->cbFormat = sizeof(MPEG2VIDEOINFO);
pmt->pbFormat = (BYTE*)CoTaskMemAlloc( sizeof(MPEG2VIDEOINFO) );
if ( pmt->pbFormat == NULL )
return E_OUTOFMEMORY;
ZeroMemory( pmt->pbFormat, sizeof(MPEG2VIDEOINFO) );
pmpg2vi = (MPEG2VIDEOINFO*)pmt->pbFormat;
pmpg2vi->hdr.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pmpg2vi->hdr.bmiHeader.biWidth = ((UINT)hdrbuf[4] << 4) | ((UINT)hdrbuf[5] >> 4); /* FIXME! */
pmpg2vi->hdr.bmiHeader.biHeight = (((UINT)hdrbuf[5] & 0xf) << 8) | ((UINT)hdrbuf[6]); /* FIXME! */
pmpg2vi->hdr.dwInterlaceFlags = AMINTERLACE_FieldPatBothRegular; /* FIXME? */
pmpg2vi->hdr.dwCopyProtectFlags = AMCOPYPROTECT_RestrictDuplication; /* FIXME? */
pmpg2vi->hdr.dwPictAspectRatioX = 1; /* FIXME? */
pmpg2vi->hdr.dwPictAspectRatioY = 1; /* FIXME? */
pmpg2vi->dwStartTimeCode = 0;
pmpg2vi->cbSequenceHeader = seqhdrlen + 10;
switch ( hdrbuf[seqhdrlen+4] & 0xf )
{
case 5: pmpg2vi->dwProfile = AM_MPEG2Profile_Simple; break;
case 4: pmpg2vi->dwProfile = AM_MPEG2Profile_Main; break;
case 3: pmpg2vi->dwProfile = AM_MPEG2Profile_SNRScalable; break;
case 2: pmpg2vi->dwProfile = AM_MPEG2Profile_SpatiallyScalable; break;
case 1: pmpg2vi->dwProfile = AM_MPEG2Profile_High; break;
default: return E_FAIL;
}
switch ( hdrbuf[seqhdrlen+5] >> 4 )
{
case 10: pmpg2vi->dwLevel = AM_MPEG2Level_Low; break;
case 8: pmpg2vi->dwLevel = AM_MPEG2Level_Main; break;
case 6: pmpg2vi->dwLevel = AM_MPEG2Level_High1440; break;
case 4: pmpg2vi->dwLevel = AM_MPEG2Level_High; break;
default: return E_FAIL;
}
pmpg2vi->dwFlags = 0; /* FIXME? */
memcpy( pmpg2vi->dwSequenceHeader, hdrbuf, seqhdrlen + 10 );
return S_OK;
}
else
{
/* MPEG-1 */
memcpy( &pmt->subtype, &MEDIASUBTYPE_MPEG1Payload, sizeof(GUID) );
memcpy( &pmt->formattype, &FORMAT_MPEGVideo, sizeof(GUID) );
pmt->bFixedSizeSamples = 0;
pmt->bTemporalCompression = 1;
pmt->lSampleSize = 0;
pmt->cbFormat = sizeof(MPEG1VIDEOINFO);
pmt->pbFormat = (BYTE*)CoTaskMemAlloc( sizeof(MPEG1VIDEOINFO) );
if ( pmt->pbFormat == NULL )
return E_OUTOFMEMORY;
ZeroMemory( pmt->pbFormat, sizeof(MPEG1VIDEOINFO) );
pmpg1vi = (MPEG1VIDEOINFO*)pmt->pbFormat;
pmpg1vi->hdr.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pmpg1vi->hdr.bmiHeader.biWidth = ((UINT)hdrbuf[4] << 4) | ((UINT)hdrbuf[5] >> 4);
pmpg1vi->hdr.bmiHeader.biHeight = (((UINT)hdrbuf[5] & 0xf) << 8) | ((UINT)hdrbuf[6]);
pmpg1vi->hdr.bmiHeader.biPlanes = 1;
pmpg1vi->dwStartTimeCode = 0;
pmpg1vi->cbSequenceHeader = seqhdrlen;
memcpy( pmpg1vi->bSequenceHeader, hdrbuf, seqhdrlen );
}
return S_OK;
case MPGPayload_Audio:
hr = CMPGParseImpl_SyncReadPayload(
pImpl, This, payloadtype, 0, 4, hdrbuf );
if ( FAILED(hr) )
return hr;
if ( hr != S_OK )
return E_FAIL;
memcpy( &pmt->majortype, &MEDIATYPE_Audio, sizeof(GUID) );
memcpy( &pmt->formattype, &FORMAT_WaveFormatEx, sizeof(GUID) );
if ( !( hdrbuf[1] & 0x8 ) )
{
/* FIXME!!! */
FIXME("audio not MPEG-1\n");
return E_FAIL;
}
else
{
/* MPEG-1 */
memcpy( &pmt->subtype, &MEDIASUBTYPE_MPEG1AudioPayload, sizeof(GUID) );
pmt->bFixedSizeSamples = 0;
pmt->bTemporalCompression = 1;
pmt->lSampleSize = 0;
pmt->cbFormat = sizeof(MPEG1WAVEFORMAT);
pmt->pbFormat = (BYTE*)CoTaskMemAlloc( sizeof(MPEG1WAVEFORMAT) );
if ( pmt->pbFormat == NULL )
return E_OUTOFMEMORY;
ZeroMemory( pmt->pbFormat, sizeof(MPEG1WAVEFORMAT) );
pmpg1wav = (MPEG1WAVEFORMAT*)pmt->pbFormat;
switch ( hdrbuf[1] & 0x6 )
{
case 0x6: pmpg1wav->fwHeadLayer = ACM_MPEG_LAYER1;
case 0x4: pmpg1wav->fwHeadLayer = ACM_MPEG_LAYER2;
case 0x2: pmpg1wav->fwHeadLayer = ACM_MPEG_LAYER3;
default: return E_FAIL;
}
switch ( pmpg1wav->fwHeadLayer )
{
case ACM_MPEG_LAYER1:
pmpg1wav->dwHeadBitrate = bitratesl1[hdrbuf[2]>>4]*1000;
break;
case ACM_MPEG_LAYER2:
pmpg1wav->dwHeadBitrate = bitratesl2[hdrbuf[2]>>4]*1000;
break;
case ACM_MPEG_LAYER3:
pmpg1wav->dwHeadBitrate = bitratesl3[hdrbuf[2]>>4]*1000;
break;
}
if ( pmpg1wav->dwHeadBitrate == 0 )
return E_FAIL;
switch ( hdrbuf[3] & 0xc0 )
{
case 0x00: pmpg1wav->fwHeadMode = ACM_MPEG_STEREO;
case 0x40: pmpg1wav->fwHeadMode = ACM_MPEG_JOINTSTEREO;
case 0x80: pmpg1wav->fwHeadMode = ACM_MPEG_DUALCHANNEL;
case 0xc0: pmpg1wav->fwHeadMode = ACM_MPEG_SINGLECHANNEL;
}
pmpg1wav->fwHeadModeExt = (hdrbuf[3] & 0x30) >> 4; /* FIXME?? */
pmpg1wav->wHeadEmphasis = (hdrbuf[3] & 0x03); /* FIXME?? */
pmpg1wav->fwHeadFlags = ACM_MPEG_ID_MPEG1;
if ( hdrbuf[1] & 0x1 )
pmpg1wav->fwHeadFlags |= ACM_MPEG_PROTECTIONBIT;
if ( hdrbuf[2] & 0x1 )
pmpg1wav->fwHeadFlags |= ACM_MPEG_PRIVATEBIT;
if ( hdrbuf[3] & 0x8 )
pmpg1wav->fwHeadFlags |= ACM_MPEG_COPYRIGHT;
if ( hdrbuf[3] & 0x4 )
pmpg1wav->fwHeadFlags |= ACM_MPEG_ORIGINALHOME;
pmpg1wav->dwPTSLow = 0;
pmpg1wav->dwPTSHigh = 0;
pmpg1wav->wfx.wFormatTag = WAVE_FORMAT_MPEG;
pmpg1wav->wfx.nChannels = (pmpg1wav->fwHeadMode != ACM_MPEG_SINGLECHANNEL) ? 2 : 1;
switch ( hdrbuf[2] & 0x0c )
{
case 0x00: pmpg1wav->wfx.nSamplesPerSec = 44100;
case 0x01: pmpg1wav->wfx.nSamplesPerSec = 48000;
case 0x02: pmpg1wav->wfx.nSamplesPerSec = 32000;
default: return E_FAIL;
}
pmpg1wav->wfx.nAvgBytesPerSec = pmpg1wav->dwHeadBitrate >> 3;
switch ( pmpg1wav->fwHeadLayer )
{
case ACM_MPEG_LAYER1:
pmpg1wav->wfx.nBlockAlign = (384>>3) * pmpg1wav->dwHeadBitrate / pmpg1wav->wfx.nSamplesPerSec;
break;
case ACM_MPEG_LAYER2:
pmpg1wav->wfx.nBlockAlign = (1152>>3) * pmpg1wav->dwHeadBitrate / pmpg1wav->wfx.nSamplesPerSec;
break;
case ACM_MPEG_LAYER3:
pmpg1wav->wfx.nBlockAlign = 1;
break;
}
pmpg1wav->wfx.wBitsPerSample = 0;
pmpg1wav->wfx.cbSize = sizeof(MPEG1WAVEFORMAT) - sizeof(WAVEFORMATEX);
if ( pmpg1wav->fwHeadLayer != ACM_MPEG_LAYER3 )
{
pmt->bFixedSizeSamples = 1;
pmt->lSampleSize = pmpg1wav->wfx.nBlockAlign;
}
dwPayloadBlockSize = (pmpg1wav->wfx.nAvgBytesPerSec + pmpg1wav->wfx.nBlockAlign - 1) / pmpg1wav->wfx.nBlockAlign;
if ( dwPayloadBlockSize > This->dwPayloadBlockSizeMax )
This->dwPayloadBlockSizeMax = dwPayloadBlockSize;
}
return S_OK;
default:
FIXME("mpeg - unknown stream type %02x\n",This->pPayloads[nStreamIndex].payloadtype);
break;
}
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT CMPGParseImpl_CheckStreamType( CParserImpl* pImpl, ULONG nStreamIndex, const AM_MEDIA_TYPE* pmt )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
HRESULT hr;
AM_MEDIA_TYPE mt;
MPEG1VIDEOINFO* pmpg1vi;
MPEG1VIDEOINFO* pmpg1viCheck;
MPEG2VIDEOINFO* pmpg2vi;
MPEG2VIDEOINFO* pmpg2viCheck;
WAVEFORMATEX* pwfx;
WAVEFORMATEX* pwfxCheck;
enum MPGPayloadType payloadtype;
TRACE("(%p,%lu,%p)\n",This,nStreamIndex,pmt);
if ( This == NULL )
return E_UNEXPECTED;
if ( nStreamIndex >= This->cPayloads )
return E_INVALIDARG;
hr = CMPGParseImpl_GetStreamType( pImpl, nStreamIndex, &mt );
if ( FAILED(hr) )
return hr;
if ( !IsEqualGUID( &pmt->majortype, &mt.majortype ) ||
!IsEqualGUID( &pmt->subtype, &mt.subtype ) ||
!IsEqualGUID( &pmt->formattype, &mt.formattype ) )
{
hr = E_FAIL;
goto end;
}
TRACE("check format\n");
hr = S_OK;
payloadtype = This->pPayloads[nStreamIndex].payloadtype;
switch ( payloadtype )
{
case MPGPayload_Video:
if ( IsEqualGUID( &mt.formattype, &FORMAT_MPEGVideo ) )
{
/* MPEG-1 Video */
if ( pmt->cbFormat != mt.cbFormat ||
pmt->pbFormat == NULL )
{
hr = E_FAIL;
goto end;
}
pmpg1vi = (MPEG1VIDEOINFO*)mt.pbFormat;
pmpg1viCheck = (MPEG1VIDEOINFO*)pmt->pbFormat;
if ( memcmp( pmpg1vi, pmpg1viCheck, sizeof(MPEG1VIDEOINFO) ) != 0 )
{
hr = E_FAIL;
goto end;
}
}
else
if ( IsEqualGUID( &mt.formattype, &FORMAT_MPEG2_VIDEO ) )
{
/* MPEG-2 Video */
if ( pmt->cbFormat != mt.cbFormat ||
pmt->pbFormat == NULL )
{
hr = E_FAIL;
goto end;
}
pmpg2vi = (MPEG2VIDEOINFO*)mt.pbFormat;
pmpg2viCheck = (MPEG2VIDEOINFO*)pmt->pbFormat;
if ( memcmp( pmpg2vi, pmpg2viCheck, sizeof(MPEG2VIDEOINFO) ) != 0 )
{
hr = E_FAIL;
goto end;
}
}
else
{
hr = E_FAIL;
goto end;
}
break;
case MPGPayload_Audio:
if ( IsEqualGUID( &mt.formattype, &FORMAT_WaveFormatEx ) )
{
if ( mt.cbFormat != pmt->cbFormat ||
pmt->pbFormat == NULL )
{
hr = E_FAIL;
goto end;
}
pwfx = (WAVEFORMATEX*)mt.pbFormat;
pwfxCheck = (WAVEFORMATEX*)pmt->pbFormat;
if ( memcmp( pwfx, pwfxCheck, sizeof(WAVEFORMATEX) ) != 0 )
{
hr = E_FAIL;
goto end;
}
}
else
{
hr = E_FAIL;
goto end;
}
break;
default:
FIXME( "unsupported payload type\n" );
hr = E_FAIL;
goto end;
}
hr = S_OK;
end:
QUARTZ_MediaType_Free( &mt );
TRACE("%08lx\n",hr);
return hr;
}
static HRESULT CMPGParseImpl_GetAllocProp( CParserImpl* pImpl, ALLOCATOR_PROPERTIES* pReqProp )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
TRACE("(%p,%p)\n",This,pReqProp);
if ( This == NULL )
return E_UNEXPECTED;
ZeroMemory( pReqProp, sizeof(ALLOCATOR_PROPERTIES) );
pReqProp->cBuffers = This->cPayloads;
pReqProp->cbBuffer = This->dwPayloadBlockSizeMax;
return S_OK;
}
static HRESULT CMPGParseImpl_GetNextRequest( CParserImpl* pImpl, ULONG* pnStreamIndex, LONGLONG* pllStart, LONG* plLength, REFERENCE_TIME* prtStart, REFERENCE_TIME* prtStop, DWORD* pdwSampleFlags )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
if ( This == NULL )
return E_UNEXPECTED;
*pdwSampleFlags = AM_SAMPLE_SPLICEPOINT;
TRACE("(%p)\n",This);
if ( This->bRawPayload )
{
if ( This->dwPayloadBlockSizeMax == 0 ||
This->cPayloads != 1 || This->pPayloads == NULL )
return E_UNEXPECTED;
*pnStreamIndex = 0;
*pllStart = This->llPosNext;
*plLength = This->dwPayloadBlockSizeMax;
*prtStart = 0;
*prtStop = 0;
if ( This->pPayloads[0].bDataDiscontinuity )
{
*pdwSampleFlags |= AM_SAMPLE_DATADISCONTINUITY;
This->pPayloads[0].bDataDiscontinuity = FALSE;
}
}
else
{
FIXME("stub\n");
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT CMPGParseImpl_ProcessSample( CParserImpl* pImpl, ULONG nStreamIndex, LONGLONG llStart, LONG lLength, IMediaSample* pSample )
{
CMPGParseImpl* This = (CMPGParseImpl*)pImpl->m_pUserData;
HRESULT hr;
TRACE("(%p,%lu,%ld,%ld,%p)\n",This,nStreamIndex,(long)llStart,lLength,pSample);
if ( This == NULL )
return E_UNEXPECTED;
if ( This->bRawPayload )
{
hr = IMediaSample_SetTime(pSample,NULL,NULL);
if ( FAILED(hr) )
return hr;
}
return NOERROR;
}
static const struct ParserHandlers CMPGParseImpl_Handlers =
{
CMPGParseImpl_InitParser,
CMPGParseImpl_UninitParser,
CMPGParseImpl_GetOutPinName,
CMPGParseImpl_GetStreamType,
CMPGParseImpl_CheckStreamType,
CMPGParseImpl_GetAllocProp,
CMPGParseImpl_GetNextRequest,
CMPGParseImpl_ProcessSample,
/* for IQualityControl */
NULL, /* pQualityNotify */
/* for seeking */
NULL, /* pGetSeekingCaps */
NULL, /* pIsTimeFormatSupported */
NULL, /* pGetCurPos */
NULL, /* pSetCurPos */
NULL, /* pGetDuration */
NULL, /* pGetStopPos */
NULL, /* pSetStopPos */
NULL, /* pGetPreroll */
};
HRESULT QUARTZ_CreateMPEG1Splitter(IUnknown* punkOuter,void** ppobj)
{
return QUARTZ_CreateParser(
punkOuter,ppobj,
&CLSID_MPEG1Splitter,
QUARTZ_MPEG1Parser_Name,
QUARTZ_MPGParserInPin_Name,
&CMPGParseImpl_Handlers );
}
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