mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-01 19:18:42 +00:00
610 lines
22 KiB
C
610 lines
22 KiB
C
/*
|
|
* AVI Splitter Filter
|
|
*
|
|
* Copyright 2003 Robert Shearman
|
|
* Copyright 2004-2005 Christian Costa
|
|
*
|
|
* 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
|
|
*/
|
|
/* FIXME:
|
|
* - we don't do anything with indices yet (we could use them when seeking)
|
|
* - we don't support multiple RIFF sections (i.e. large AVI files > 2Gb)
|
|
*/
|
|
|
|
#include "quartz_private.h"
|
|
#include "control_private.h"
|
|
#include "pin.h"
|
|
|
|
#include "uuids.h"
|
|
#include "aviriff.h"
|
|
#include "mmreg.h"
|
|
#include "vfwmsgs.h"
|
|
#include "amvideo.h"
|
|
|
|
#include "fourcc.h"
|
|
|
|
#include "wine/unicode.h"
|
|
#include "wine/debug.h"
|
|
|
|
#include <math.h>
|
|
#include <assert.h>
|
|
|
|
#include "parser.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
|
|
|
|
typedef struct AVISplitterImpl
|
|
{
|
|
ParserImpl Parser;
|
|
IMediaSample * pCurrentSample;
|
|
RIFFCHUNK CurrentChunk;
|
|
LONGLONG CurrentChunkOffset; /* in media time */
|
|
LONGLONG EndOfFile;
|
|
AVIMAINHEADER AviHeader;
|
|
} AVISplitterImpl;
|
|
|
|
static HRESULT AVISplitter_NextChunk(LONGLONG * pllCurrentChunkOffset, RIFFCHUNK * pCurrentChunk, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, const BYTE * pbSrcStream, int inner)
|
|
{
|
|
if (inner)
|
|
*pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFLIST));
|
|
else
|
|
*pllCurrentChunkOffset += MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK) + RIFFROUND(pCurrentChunk->cb));
|
|
|
|
if (*pllCurrentChunkOffset >= *tStop)
|
|
return S_FALSE; /* no more data - we couldn't even get the next chunk header! */
|
|
else if (*pllCurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) >= *tStop)
|
|
{
|
|
memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), (DWORD)BYTES_FROM_MEDIATIME(*tStop - *pllCurrentChunkOffset));
|
|
return S_FALSE; /* no more data */
|
|
}
|
|
else
|
|
memcpy(pCurrentChunk, pbSrcStream + (DWORD)BYTES_FROM_MEDIATIME(*pllCurrentChunkOffset - *tStart), sizeof(RIFFCHUNK));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
|
|
{
|
|
AVISplitterImpl *This = (AVISplitterImpl *)iface;
|
|
LPBYTE pbSrcStream = NULL;
|
|
long cbSrcStream = 0;
|
|
REFERENCE_TIME tStart, tStop;
|
|
HRESULT hr;
|
|
BOOL bMoreData = TRUE;
|
|
|
|
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
|
|
|
|
hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
|
|
|
|
cbSrcStream = IMediaSample_GetActualDataLength(pSample);
|
|
|
|
/* trace removed for performance reasons */
|
|
/* TRACE("(%p)\n", pSample); */
|
|
|
|
assert(BYTES_FROM_MEDIATIME(tStop - tStart) == cbSrcStream);
|
|
|
|
if (This->CurrentChunkOffset <= tStart && This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) > tStart)
|
|
{
|
|
DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(tStart - This->CurrentChunkOffset);
|
|
assert(offset <= sizeof(RIFFCHUNK));
|
|
memcpy((BYTE *)&This->CurrentChunk + offset, pbSrcStream, sizeof(RIFFCHUNK) - offset);
|
|
}
|
|
else if (This->CurrentChunkOffset > tStart)
|
|
{
|
|
DWORD offset = (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart);
|
|
if (offset >= (DWORD)cbSrcStream)
|
|
{
|
|
FIXME("large offset\n");
|
|
hr = S_OK;
|
|
goto skip;
|
|
}
|
|
|
|
memcpy(&This->CurrentChunk, pbSrcStream + offset, sizeof(RIFFCHUNK));
|
|
}
|
|
|
|
assert(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(sizeof(RIFFCHUNK)) < tStop);
|
|
|
|
while (bMoreData)
|
|
{
|
|
BYTE * pbDstStream;
|
|
long cbDstStream;
|
|
long chunk_remaining_bytes = 0;
|
|
long offset_src;
|
|
WORD streamId;
|
|
Parser_OutputPin * pOutputPin;
|
|
BOOL bSyncPoint = TRUE;
|
|
|
|
if (This->CurrentChunkOffset >= tStart)
|
|
offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
|
|
else
|
|
offset_src = 0;
|
|
|
|
switch (This->CurrentChunk.fcc)
|
|
{
|
|
case ckidJUNK:
|
|
case aviFCC('i','d','x','1'): /* Index is not handled */
|
|
/* silently ignore */
|
|
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
|
|
bMoreData = FALSE;
|
|
continue;
|
|
case ckidLIST:
|
|
/* We only handle the 'rec ' list which contains the stream data */
|
|
if ((*(DWORD*)(pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart) + sizeof(RIFFCHUNK))) == aviFCC('r','e','c',' '))
|
|
{
|
|
/* FIXME: We only advanced to the first chunk inside the list without keeping track that we are in it.
|
|
* This is not clean and the parser should be improved for that but it is enough for most AVI files. */
|
|
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, TRUE))
|
|
{
|
|
bMoreData = FALSE;
|
|
continue;
|
|
}
|
|
This->CurrentChunk = *(RIFFCHUNK*) (pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart));
|
|
offset_src = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset - tStart) + sizeof(RIFFCHUNK);
|
|
break;
|
|
}
|
|
else if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
|
|
bMoreData = FALSE;
|
|
continue;
|
|
default:
|
|
break;
|
|
#if 0 /* According to the AVI specs, a stream data chunk should be ABXX where AB is the stream number and X means don't care */
|
|
switch (TWOCCFromFOURCC(This->CurrentChunk.fcc))
|
|
{
|
|
case cktypeDIBcompressed:
|
|
bSyncPoint = FALSE;
|
|
/* fall-through */
|
|
case cktypeDIBbits:
|
|
/* FIXME: check that pin is of type video */
|
|
break;
|
|
case cktypeWAVEbytes:
|
|
/* FIXME: check that pin is of type audio */
|
|
break;
|
|
case cktypePALchange:
|
|
FIXME("handle palette change\n");
|
|
break;
|
|
default:
|
|
FIXME("Skipping unknown chunk type: %s at file offset 0x%lx\n", debugstr_an((LPSTR)&This->CurrentChunk.fcc, 4), (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset));
|
|
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
|
|
bMoreData = FALSE;
|
|
continue;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
streamId = StreamFromFOURCC(This->CurrentChunk.fcc);
|
|
|
|
if (streamId > This->Parser.cStreams)
|
|
{
|
|
ERR("Corrupted AVI file (contains stream id %d, but supposed to only have %ld streams)\n", streamId, This->Parser.cStreams);
|
|
hr = E_FAIL;
|
|
break;
|
|
}
|
|
|
|
pOutputPin = (Parser_OutputPin *)This->Parser.ppPins[streamId + 1];
|
|
|
|
if (!This->pCurrentSample)
|
|
{
|
|
/* cache media sample until it is ready to be despatched
|
|
* (i.e. we reach the end of the chunk) */
|
|
hr = OutputPin_GetDeliveryBuffer(&pOutputPin->pin, &This->pCurrentSample, NULL, NULL, 0);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = IMediaSample_SetActualDataLength(This->pCurrentSample, 0);
|
|
assert(hr == S_OK);
|
|
}
|
|
else
|
|
{
|
|
TRACE("Skipping sending sample for stream %02d due to error (%lx)\n", streamId, hr);
|
|
This->pCurrentSample = NULL;
|
|
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
|
|
bMoreData = FALSE;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
hr = IMediaSample_GetPointer(This->pCurrentSample, &pbDstStream);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
cbDstStream = IMediaSample_GetSize(This->pCurrentSample);
|
|
|
|
chunk_remaining_bytes = (long)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset + MEDIATIME_FROM_BYTES(This->CurrentChunk.cb + sizeof(RIFFCHUNK)) - tStart) - offset_src;
|
|
|
|
assert(chunk_remaining_bytes >= 0);
|
|
assert(chunk_remaining_bytes <= cbDstStream - IMediaSample_GetActualDataLength(This->pCurrentSample));
|
|
|
|
/* trace removed for performance reasons */
|
|
/* TRACE("chunk_remaining_bytes: 0x%lx, cbSrcStream: 0x%lx, offset_src: 0x%lx\n", chunk_remaining_bytes, cbSrcStream, offset_src); */
|
|
}
|
|
|
|
if (chunk_remaining_bytes <= cbSrcStream - offset_src)
|
|
{
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, chunk_remaining_bytes);
|
|
hr = IMediaSample_SetActualDataLength(This->pCurrentSample, chunk_remaining_bytes + IMediaSample_GetActualDataLength(This->pCurrentSample));
|
|
assert(hr == S_OK);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
REFERENCE_TIME tAviStart, tAviStop;
|
|
|
|
/* FIXME: hack */
|
|
if (pOutputPin->dwSamplesProcessed == 0)
|
|
IMediaSample_SetDiscontinuity(This->pCurrentSample, TRUE);
|
|
|
|
IMediaSample_SetSyncPoint(This->pCurrentSample, bSyncPoint);
|
|
|
|
pOutputPin->dwSamplesProcessed++;
|
|
|
|
if (pOutputPin->dwSampleSize)
|
|
tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
|
|
else
|
|
tAviStart = (LONGLONG)ceil(10000000.0 * (float)(pOutputPin->dwSamplesProcessed - 1) / (float)pOutputPin->fSamplesPerSec);
|
|
if (pOutputPin->dwSampleSize)
|
|
tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed * (float)IMediaSample_GetActualDataLength(This->pCurrentSample) / ((float)pOutputPin->dwSampleSize * pOutputPin->fSamplesPerSec));
|
|
else
|
|
tAviStop = (LONGLONG)ceil(10000000.0 * (float)pOutputPin->dwSamplesProcessed / (float)pOutputPin->fSamplesPerSec);
|
|
|
|
IMediaSample_SetTime(This->pCurrentSample, &tAviStart, &tAviStop);
|
|
|
|
hr = OutputPin_SendSample(&pOutputPin->pin, This->pCurrentSample);
|
|
if (hr != S_OK && hr != VFW_E_NOT_CONNECTED)
|
|
ERR("Error sending sample (%lx)\n", hr);
|
|
}
|
|
|
|
if (This->pCurrentSample)
|
|
IMediaSample_Release(This->pCurrentSample);
|
|
|
|
This->pCurrentSample = NULL;
|
|
|
|
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream, FALSE))
|
|
bMoreData = FALSE;
|
|
}
|
|
else
|
|
{
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
memcpy(pbDstStream + IMediaSample_GetActualDataLength(This->pCurrentSample), pbSrcStream + offset_src, cbSrcStream - offset_src);
|
|
IMediaSample_SetActualDataLength(This->pCurrentSample, cbSrcStream - offset_src + IMediaSample_GetActualDataLength(This->pCurrentSample));
|
|
}
|
|
bMoreData = FALSE;
|
|
}
|
|
}
|
|
|
|
skip:
|
|
if (tStop >= This->EndOfFile)
|
|
{
|
|
int i;
|
|
|
|
TRACE("End of file reached\n");
|
|
|
|
for (i = 0; i < This->Parser.cStreams; i++)
|
|
{
|
|
IPin* ppin;
|
|
HRESULT hr;
|
|
|
|
TRACE("Send End Of Stream to output pin %d\n", i);
|
|
|
|
hr = IPin_ConnectedTo(This->Parser.ppPins[i+1], &ppin);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = IPin_EndOfStream(ppin);
|
|
IPin_Release(ppin);
|
|
}
|
|
if (FAILED(hr))
|
|
{
|
|
ERR("%lx\n", hr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Force the pullpin thread to stop */
|
|
hr = S_FALSE;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_Avi))
|
|
return S_OK;
|
|
return S_FALSE;
|
|
}
|
|
|
|
static HRESULT AVISplitter_ProcessStreamList(AVISplitterImpl * This, const BYTE * pData, DWORD cb)
|
|
{
|
|
PIN_INFO piOutput;
|
|
const RIFFCHUNK * pChunk;
|
|
HRESULT hr;
|
|
AM_MEDIA_TYPE amt;
|
|
float fSamplesPerSec = 0.0f;
|
|
DWORD dwSampleSize = 0;
|
|
DWORD dwLength = 0;
|
|
ALLOCATOR_PROPERTIES props;
|
|
static const WCHAR wszStreamTemplate[] = {'S','t','r','e','a','m',' ','%','0','2','d',0};
|
|
|
|
props.cbAlign = 1;
|
|
props.cbPrefix = 0;
|
|
props.cbBuffer = 0x20000;
|
|
props.cBuffers = 2;
|
|
|
|
ZeroMemory(&amt, sizeof(amt));
|
|
piOutput.dir = PINDIR_OUTPUT;
|
|
piOutput.pFilter = (IBaseFilter *)This;
|
|
wsprintfW(piOutput.achName, wszStreamTemplate, This->Parser.cStreams);
|
|
|
|
for (pChunk = (const RIFFCHUNK *)pData;
|
|
((const BYTE *)pChunk >= pData) && ((const BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0);
|
|
pChunk = (const RIFFCHUNK *)((const BYTE*)pChunk + sizeof(RIFFCHUNK) + pChunk->cb)
|
|
)
|
|
{
|
|
switch (pChunk->fcc)
|
|
{
|
|
case ckidSTREAMHEADER:
|
|
{
|
|
const AVISTREAMHEADER * pStrHdr = (const AVISTREAMHEADER *)pChunk;
|
|
TRACE("processing stream header\n");
|
|
|
|
fSamplesPerSec = (float)pStrHdr->dwRate / (float)pStrHdr->dwScale;
|
|
|
|
switch (pStrHdr->fccType)
|
|
{
|
|
case streamtypeVIDEO:
|
|
memcpy(&amt.formattype, &FORMAT_VideoInfo, sizeof(GUID));
|
|
amt.pbFormat = NULL;
|
|
amt.cbFormat = 0;
|
|
break;
|
|
case streamtypeAUDIO:
|
|
memcpy(&amt.formattype, &FORMAT_WaveFormatEx, sizeof(GUID));
|
|
break;
|
|
default:
|
|
memcpy(&amt.formattype, &FORMAT_None, sizeof(GUID));
|
|
}
|
|
memcpy(&amt.majortype, &MEDIATYPE_Video, sizeof(GUID));
|
|
amt.majortype.Data1 = pStrHdr->fccType;
|
|
memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
|
|
amt.subtype.Data1 = pStrHdr->fccHandler;
|
|
TRACE("Subtype FCC: %.04s\n", (LPCSTR)&pStrHdr->fccHandler);
|
|
amt.lSampleSize = pStrHdr->dwSampleSize;
|
|
amt.bFixedSizeSamples = (amt.lSampleSize != 0);
|
|
|
|
/* FIXME: Is this right? */
|
|
if (!amt.lSampleSize)
|
|
{
|
|
amt.lSampleSize = 1;
|
|
dwSampleSize = 1;
|
|
}
|
|
|
|
amt.bTemporalCompression = IsEqualGUID(&amt.majortype, &MEDIATYPE_Video); /* FIXME? */
|
|
dwSampleSize = pStrHdr->dwSampleSize;
|
|
dwLength = pStrHdr->dwLength;
|
|
if (!dwLength)
|
|
dwLength = This->AviHeader.dwTotalFrames;
|
|
|
|
if (pStrHdr->dwSuggestedBufferSize)
|
|
props.cbBuffer = pStrHdr->dwSuggestedBufferSize;
|
|
|
|
break;
|
|
}
|
|
case ckidSTREAMFORMAT:
|
|
TRACE("processing stream format data\n");
|
|
if (IsEqualIID(&amt.formattype, &FORMAT_VideoInfo))
|
|
{
|
|
VIDEOINFOHEADER * pvi;
|
|
/* biCompression member appears to override the value in the stream header.
|
|
* i.e. the stream header can say something completely contradictory to what
|
|
* is in the BITMAPINFOHEADER! */
|
|
if (pChunk->cb < sizeof(BITMAPINFOHEADER))
|
|
{
|
|
ERR("Not enough bytes for BITMAPINFOHEADER\n");
|
|
return E_FAIL;
|
|
}
|
|
amt.cbFormat = sizeof(VIDEOINFOHEADER) - sizeof(BITMAPINFOHEADER) + pChunk->cb;
|
|
amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
|
|
ZeroMemory(amt.pbFormat, amt.cbFormat);
|
|
pvi = (VIDEOINFOHEADER *)amt.pbFormat;
|
|
pvi->AvgTimePerFrame = (LONGLONG)(10000000.0 / fSamplesPerSec);
|
|
CopyMemory(&pvi->bmiHeader, (const BYTE *)(pChunk + 1), pChunk->cb);
|
|
if (pvi->bmiHeader.biCompression)
|
|
amt.subtype.Data1 = pvi->bmiHeader.biCompression;
|
|
}
|
|
else
|
|
{
|
|
amt.cbFormat = pChunk->cb;
|
|
amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
|
|
CopyMemory(amt.pbFormat, (const BYTE *)(pChunk + 1), amt.cbFormat);
|
|
}
|
|
break;
|
|
case ckidSTREAMNAME:
|
|
TRACE("processing stream name\n");
|
|
/* FIXME: this doesn't exactly match native version (we omit the "##)" prefix), but hey... */
|
|
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(pChunk + 1), pChunk->cb, piOutput.achName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
|
|
break;
|
|
case ckidSTREAMHANDLERDATA:
|
|
FIXME("process stream handler data\n");
|
|
break;
|
|
case ckidJUNK:
|
|
TRACE("JUNK chunk ignored\n");
|
|
break;
|
|
default:
|
|
FIXME("unknown chunk type \"%.04s\" ignored\n", (LPCSTR)&pChunk->fcc);
|
|
}
|
|
}
|
|
|
|
if (IsEqualGUID(&amt.formattype, &FORMAT_WaveFormatEx))
|
|
{
|
|
memcpy(&amt.subtype, &MEDIATYPE_Video, sizeof(GUID));
|
|
amt.subtype.Data1 = ((WAVEFORMATEX *)amt.pbFormat)->wFormatTag;
|
|
}
|
|
|
|
dump_AM_MEDIA_TYPE(&amt);
|
|
TRACE("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
|
|
TRACE("dwSampleSize = %lx\n", dwSampleSize);
|
|
TRACE("dwLength = %lx\n", dwLength);
|
|
|
|
hr = Parser_AddPin(&(This->Parser), &piOutput, &props, &amt, fSamplesPerSec, dwSampleSize, dwLength);
|
|
|
|
return hr;
|
|
}
|
|
|
|
/* FIXME: fix leaks on failure here */
|
|
static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
HRESULT hr;
|
|
RIFFLIST list;
|
|
LONGLONG pos = 0; /* in bytes */
|
|
BYTE * pBuffer;
|
|
RIFFCHUNK * pCurrentChunk;
|
|
AVISplitterImpl * pAviSplit = (AVISplitterImpl *)This->pin.pinInfo.pFilter;
|
|
|
|
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
|
|
pos += sizeof(list);
|
|
|
|
if (list.fcc != ckidRIFF)
|
|
{
|
|
ERR("Input stream not a RIFF file\n");
|
|
return E_FAIL;
|
|
}
|
|
if (list.cb > 1 * 1024 * 1024 * 1024) /* cannot be more than 1Gb in size */
|
|
{
|
|
ERR("Input stream violates RIFF spec\n");
|
|
return E_FAIL;
|
|
}
|
|
if (list.fccListType != ckidAVI)
|
|
{
|
|
ERR("Input stream not an AVI RIFF file\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
|
|
if (list.fcc != ckidLIST)
|
|
{
|
|
ERR("Expected LIST chunk, but got %.04s\n", (LPSTR)&list.fcc);
|
|
return E_FAIL;
|
|
}
|
|
if (list.fccListType != ckidHEADERLIST)
|
|
{
|
|
ERR("Header list expected. Got: %.04s\n", (LPSTR)&list.fccListType);
|
|
return E_FAIL;
|
|
}
|
|
|
|
pBuffer = HeapAlloc(GetProcessHeap(), 0, list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK));
|
|
hr = IAsyncReader_SyncRead(This->pReader, pos + sizeof(list), list.cb - sizeof(RIFFLIST) + sizeof(RIFFCHUNK), pBuffer);
|
|
|
|
pAviSplit->AviHeader.cb = 0;
|
|
|
|
for (pCurrentChunk = (RIFFCHUNK *)pBuffer; (BYTE *)pCurrentChunk + sizeof(*pCurrentChunk) < pBuffer + list.cb; pCurrentChunk = (RIFFCHUNK *)(((BYTE *)pCurrentChunk) + sizeof(*pCurrentChunk) + pCurrentChunk->cb))
|
|
{
|
|
RIFFLIST * pList;
|
|
|
|
switch (pCurrentChunk->fcc)
|
|
{
|
|
case ckidMAINAVIHEADER:
|
|
/* AVIMAINHEADER includes the structure that is pCurrentChunk at the moment */
|
|
memcpy(&pAviSplit->AviHeader, pCurrentChunk, sizeof(pAviSplit->AviHeader));
|
|
break;
|
|
case ckidLIST:
|
|
pList = (RIFFLIST *)pCurrentChunk;
|
|
switch (pList->fccListType)
|
|
{
|
|
case ckidSTREAMLIST:
|
|
hr = AVISplitter_ProcessStreamList(pAviSplit, (BYTE *)pCurrentChunk + sizeof(RIFFLIST), pCurrentChunk->cb + sizeof(RIFFCHUNK) - sizeof(RIFFLIST));
|
|
break;
|
|
case ckidODML:
|
|
FIXME("process ODML header\n");
|
|
break;
|
|
}
|
|
break;
|
|
case ckidJUNK:
|
|
/* ignore */
|
|
break;
|
|
default:
|
|
FIXME("unrecognised header list type: %.04s\n", (LPSTR)&pCurrentChunk->fcc);
|
|
}
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, pBuffer);
|
|
|
|
if (pAviSplit->AviHeader.cb != sizeof(pAviSplit->AviHeader) - sizeof(RIFFCHUNK))
|
|
{
|
|
ERR("Avi Header wrong size!\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
pos += sizeof(RIFFCHUNK) + list.cb;
|
|
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
|
|
|
|
if (list.fcc == ckidJUNK)
|
|
{
|
|
pos += sizeof(RIFFCHUNK) + list.cb;
|
|
hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
|
|
}
|
|
|
|
if (list.fcc != ckidLIST)
|
|
{
|
|
ERR("Expected LIST, but got %.04s\n", (LPSTR)&list.fcc);
|
|
return E_FAIL;
|
|
}
|
|
if (list.fccListType != ckidAVIMOVIE)
|
|
{
|
|
ERR("Expected AVI movie list, but got %.04s\n", (LPSTR)&list.fccListType);
|
|
return E_FAIL;
|
|
}
|
|
|
|
if (hr == S_OK)
|
|
{
|
|
pAviSplit->CurrentChunkOffset = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFLIST));
|
|
pAviSplit->EndOfFile = MEDIATIME_FROM_BYTES(pos + list.cb + sizeof(RIFFLIST));
|
|
hr = IAsyncReader_SyncRead(This->pReader, BYTES_FROM_MEDIATIME(pAviSplit->CurrentChunkOffset), sizeof(pAviSplit->CurrentChunk), (BYTE *)&pAviSplit->CurrentChunk);
|
|
}
|
|
|
|
if (hr != S_OK)
|
|
return E_FAIL;
|
|
|
|
TRACE("AVI File ok\n");
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT AVISplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
|
|
{
|
|
HRESULT hr;
|
|
AVISplitterImpl * This;
|
|
|
|
TRACE("(%p, %p)\n", pUnkOuter, ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (pUnkOuter)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
/* Note: This memory is managed by the transform filter once created */
|
|
This = CoTaskMemAlloc(sizeof(AVISplitterImpl));
|
|
|
|
This->pCurrentSample = NULL;
|
|
|
|
hr = Parser_Create(&(This->Parser), &CLSID_AviSplitter, AVISplitter_Sample, AVISplitter_QueryAccept, AVISplitter_InputPin_PreConnect);
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
*ppv = (LPVOID)This;
|
|
|
|
return hr;
|
|
}
|