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wine/dlls/quartz/avisplit.c

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/*
* AVI Splitter Filter
*
* Copyright 2003 Robert Shearman
*
* 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>
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
static const struct IBaseFilterVtbl AVISplitter_Vtbl;
static const struct IMediaSeekingVtbl AVISplitter_Seeking_Vtbl;
static const struct IPinVtbl AVISplitter_OutputPin_Vtbl;
static const struct IPinVtbl AVISplitter_InputPin_Vtbl;
static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample);
static HRESULT AVISplitter_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
static HRESULT AVISplitter_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt);
static HRESULT AVISplitter_InputPin_PreConnect(IPin * iface, IPin * pConnectPin);
static HRESULT AVISplitter_ChangeStart(LPVOID iface);
static HRESULT AVISplitter_ChangeStop(LPVOID iface);
static HRESULT AVISplitter_ChangeRate(LPVOID iface);
static HRESULT AVISplitter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
typedef struct AVISplitter
{
const IBaseFilterVtbl * lpVtbl;
ULONG refCount;
CRITICAL_SECTION csFilter;
FILTER_STATE state;
REFERENCE_TIME rtStreamStart;
IReferenceClock * pClock;
FILTER_INFO filterInfo;
PullPin * pInputPin;
ULONG cStreams;
IPin ** ppPins;
IMediaSample * pCurrentSample;
RIFFCHUNK CurrentChunk;
LONGLONG CurrentChunkOffset; /* in media time */
LONGLONG EndOfFile;
AVIMAINHEADER AviHeader;
} AVISplitter;
typedef struct AVISplitter_OutputPin
{
OutputPin pin;
AM_MEDIA_TYPE * pmt;
float fSamplesPerSec;
DWORD dwSamplesProcessed;
DWORD dwSampleSize;
DWORD dwLength;
MediaSeekingImpl mediaSeeking;
} AVISplitter_OutputPin;
#define _IMediaSeeking_Offset ((int)(&(((AVISplitter_OutputPin*)0)->mediaSeeking)))
#define ICOM_THIS_From_IMediaSeeking(impl, iface) impl* This = (impl*)(((char*)iface)-_IMediaSeeking_Offset);
HRESULT AVISplitter_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
HRESULT hr;
PIN_INFO piInput;
AVISplitter * pAviSplit;
TRACE("(%p, %p)\n", pUnkOuter, ppv);
*ppv = NULL;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
pAviSplit = CoTaskMemAlloc(sizeof(AVISplitter));
pAviSplit->lpVtbl = &AVISplitter_Vtbl;
pAviSplit->refCount = 1;
InitializeCriticalSection(&pAviSplit->csFilter);
pAviSplit->state = State_Stopped;
pAviSplit->pClock = NULL;
pAviSplit->pCurrentSample = NULL;
ZeroMemory(&pAviSplit->filterInfo, sizeof(FILTER_INFO));
pAviSplit->cStreams = 0;
pAviSplit->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pAviSplit;
strncpyW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
hr = AVISplitter_InputPin_Construct(&piInput, AVISplitter_Sample, (LPVOID)pAviSplit, AVISplitter_QueryAccept, &pAviSplit->csFilter, (IPin **)&pAviSplit->pInputPin);
if (SUCCEEDED(hr))
{
pAviSplit->ppPins[0] = (IPin *)pAviSplit->pInputPin;
pAviSplit->pInputPin->fnPreConnect = AVISplitter_InputPin_PreConnect;
*ppv = (LPVOID)pAviSplit;
}
else
{
CoTaskMemFree(pAviSplit->ppPins);
DeleteCriticalSection(&pAviSplit->csFilter);
CoTaskMemFree(pAviSplit);
}
return hr;
}
static HRESULT AVISplitter_OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, const AM_MEDIA_TYPE * pmt, float fSamplesPerSec, LPCRITICAL_SECTION pCritSec, AVISplitter_OutputPin * pPinImpl)
{
pPinImpl->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
CopyMediaType(pPinImpl->pmt, pmt);
pPinImpl->dwSamplesProcessed = 0;
pPinImpl->dwSampleSize = 0;
pPinImpl->fSamplesPerSec = fSamplesPerSec;
MediaSeekingImpl_Init((LPVOID)pPinInfo->pFilter, AVISplitter_ChangeStop, AVISplitter_ChangeStart, AVISplitter_ChangeRate, &pPinImpl->mediaSeeking);
pPinImpl->mediaSeeking.lpVtbl = &AVISplitter_Seeking_Vtbl;
return OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, &pPinImpl->pin);
}
static HRESULT AVISplitter_OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES * props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, const AM_MEDIA_TYPE * pmt, float fSamplesPerSec, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
{
AVISplitter_OutputPin * pPinImpl;
*ppPin = NULL;
assert(pPinInfo->dir == PINDIR_OUTPUT);
pPinImpl = CoTaskMemAlloc(sizeof(AVISplitter_OutputPin));
if (!pPinImpl)
return E_OUTOFMEMORY;
if (SUCCEEDED(AVISplitter_OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pmt, fSamplesPerSec, pCritSec, pPinImpl)))
{
pPinImpl->pin.pin.lpVtbl = &AVISplitter_OutputPin_Vtbl;
*ppPin = (IPin *)pPinImpl;
return S_OK;
}
return E_FAIL;
}
static HRESULT WINAPI AVISplitter_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IPersist))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IMediaFilter))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IBaseFilter))
*ppv = (LPVOID)This;
if (*ppv)
{
IUnknown_AddRef((IUnknown *)(*ppv));
return S_OK;
}
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI AVISplitter_AddRef(IBaseFilter * iface)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("()\n");
return InterlockedIncrement(&This->refCount);
}
static ULONG WINAPI AVISplitter_Release(IBaseFilter * iface)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("()\n");
if (!InterlockedDecrement(&This->refCount))
{
ULONG i;
DeleteCriticalSection(&This->csFilter);
IReferenceClock_Release(This->pClock);
for (i = 0; i < This->cStreams + 1; i++)
IPin_Release(This->ppPins[i]);
HeapFree(GetProcessHeap(), 0, This->ppPins);
This->lpVtbl = NULL;
TRACE("Destroying AVI splitter\n");
CoTaskMemFree(This);
return 0;
}
else
return This->refCount;
}
/** IPersist methods **/
static HRESULT WINAPI AVISplitter_GetClassID(IBaseFilter * iface, CLSID * pClsid)
{
TRACE("(%p)\n", pClsid);
*pClsid = CLSID_AviSplitter;
return S_OK;
}
/** IMediaFilter methods **/
static HRESULT WINAPI AVISplitter_Stop(IBaseFilter * iface)
{
HRESULT hr;
AVISplitter *This = (AVISplitter *)iface;
TRACE("()\n");
EnterCriticalSection(&This->csFilter);
{
hr = PullPin_StopProcessing(This->pInputPin);
This->state = State_Stopped;
}
LeaveCriticalSection(&This->csFilter);
return hr;
}
static HRESULT WINAPI AVISplitter_Pause(IBaseFilter * iface)
{
HRESULT hr = S_OK;
BOOL bInit;
AVISplitter *This = (AVISplitter *)iface;
TRACE("()\n");
EnterCriticalSection(&This->csFilter);
{
bInit = (This->state == State_Stopped);
This->state = State_Paused;
}
LeaveCriticalSection(&This->csFilter);
if (bInit)
{
unsigned int i;
hr = PullPin_Seek(This->pInputPin, This->CurrentChunkOffset, This->EndOfFile);
if (SUCCEEDED(hr))
hr = PullPin_InitProcessing(This->pInputPin);
if (SUCCEEDED(hr))
{
for (i = 1; i < This->cStreams + 1; i++)
{
AVISplitter_OutputPin* StreamPin = (AVISplitter_OutputPin *)This->ppPins[i];
OutputPin_DeliverNewSegment((OutputPin *)This->ppPins[i], 0, (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec), 1.0);
StreamPin->mediaSeeking.llDuration = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
StreamPin->mediaSeeking.llStop = (LONGLONG)ceil(10000000.0 * (float)StreamPin->dwLength / StreamPin->fSamplesPerSec);
OutputPin_CommitAllocator((OutputPin *)This->ppPins[i]);
}
/* FIXME: this is a little hacky: we have to deliver (at least?) one sample
* to each renderer before they will complete their transitions. We should probably
* seek through the stream for the first of each, rather than do it this way which is
* probably a bit prone to deadlocking */
hr = PullPin_StartProcessing(This->pInputPin);
}
}
/* FIXME: else pause thread */
return hr;
}
static HRESULT WINAPI AVISplitter_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
{
HRESULT hr = S_OK;
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%s)\n", wine_dbgstr_longlong(tStart));
EnterCriticalSection(&This->csFilter);
{
This->rtStreamStart = tStart;
This->state = State_Running;
}
LeaveCriticalSection(&This->csFilter);
return hr;
}
static HRESULT WINAPI AVISplitter_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%ld, %p)\n", dwMilliSecsTimeout, pState);
EnterCriticalSection(&This->csFilter);
{
*pState = This->state;
}
LeaveCriticalSection(&This->csFilter);
/* FIXME: this is a little bit unsafe, but I don't see that we can do this
* while in the critical section. Maybe we could copy the pointer and addref in the
* critical section and then release after this.
*/
if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
return VFW_S_STATE_INTERMEDIATE;
return S_OK;
}
static HRESULT WINAPI AVISplitter_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%p)\n", pClock);
EnterCriticalSection(&This->csFilter);
{
if (This->pClock)
IReferenceClock_Release(This->pClock);
This->pClock = pClock;
if (This->pClock)
IReferenceClock_AddRef(This->pClock);
}
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
static HRESULT WINAPI AVISplitter_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%p)\n", ppClock);
EnterCriticalSection(&This->csFilter);
{
*ppClock = This->pClock;
IReferenceClock_AddRef(This->pClock);
}
LeaveCriticalSection(&This->csFilter);
return S_OK;
}
/** IBaseFilter implementation **/
static HRESULT WINAPI AVISplitter_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
{
ENUMPINDETAILS epd;
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%p)\n", ppEnum);
epd.cPins = This->cStreams + 1; /* +1 for input pin */
epd.ppPins = This->ppPins;
return IEnumPinsImpl_Construct(&epd, ppEnum);
}
static HRESULT WINAPI AVISplitter_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
{
FIXME("AVISplitter::FindPin(...)\n");
/* FIXME: critical section */
return E_NOTIMPL;
}
static HRESULT WINAPI AVISplitter_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
{
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%p)\n", pInfo);
strcpyW(pInfo->achName, This->filterInfo.achName);
pInfo->pGraph = This->filterInfo.pGraph;
if (pInfo->pGraph)
IFilterGraph_AddRef(pInfo->pGraph);
return S_OK;
}
static HRESULT WINAPI AVISplitter_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
{
HRESULT hr = S_OK;
AVISplitter *This = (AVISplitter *)iface;
TRACE("(%p, %s)\n", pGraph, debugstr_w(pName));
EnterCriticalSection(&This->csFilter);
{
if (pName)
strcpyW(This->filterInfo.achName, pName);
else
*This->filterInfo.achName = '\0';
This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
}
LeaveCriticalSection(&This->csFilter);
return hr;
}
static HRESULT WINAPI AVISplitter_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
{
TRACE("(%p)\n", pVendorInfo);
return E_NOTIMPL;
}
static const IBaseFilterVtbl AVISplitter_Vtbl =
{
AVISplitter_QueryInterface,
AVISplitter_AddRef,
AVISplitter_Release,
AVISplitter_GetClassID,
AVISplitter_Stop,
AVISplitter_Pause,
AVISplitter_Run,
AVISplitter_GetState,
AVISplitter_SetSyncSource,
AVISplitter_GetSyncSource,
AVISplitter_EnumPins,
AVISplitter_FindPin,
AVISplitter_QueryFilterInfo,
AVISplitter_JoinFilterGraph,
AVISplitter_QueryVendorInfo
};
static HRESULT AVISplitter_NextChunk(LONGLONG * pllCurrentChunkOffset, RIFFCHUNK * pCurrentChunk, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, const BYTE * pbSrcStream)
{
*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)
{
AVISplitter *This = (AVISplitter *)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");
return S_OK;
}
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;
AVISplitter_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))
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. */
This->CurrentChunkOffset = MEDIATIME_FROM_BYTES(BYTES_FROM_MEDIATIME(This->CurrentChunkOffset) + sizeof(RIFFLIST));
This->CurrentChunk = *(RIFFCHUNK*) (pbSrcStream + BYTES_FROM_MEDIATIME(This->CurrentChunkOffset-tStart));
break;
}
else if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
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))
bMoreData = FALSE;
continue;
}
#endif
}
streamId = StreamFromFOURCC(This->CurrentChunk.fcc);
if (streamId > This->cStreams)
{
ERR("Corrupted AVI file (contains stream id %d, but supposed to only have %ld streams)\n", streamId, This->cStreams);
return E_FAIL;
}
pOutputPin = (AVISplitter_OutputPin *)This->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))
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 we have a sample that has not been delivered, release it */
if (FAILED(hr) && This->pCurrentSample)
IMediaSample_Release(This->pCurrentSample);
This->pCurrentSample = NULL;
if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
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;
}
}
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(AVISplitter * This, const BYTE * pData, DWORD cb)
{
PIN_INFO piOutput;
RIFFCHUNK * pChunk;
IPin ** ppOldPins;
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->cStreams);
for (pChunk = (RIFFCHUNK *)pData; ((BYTE *)pChunk >= pData) && ((BYTE *)pChunk + sizeof(RIFFCHUNK) < pData + cb) && (pChunk->cb > 0); pChunk = (RIFFCHUNK *)((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", (LPSTR)&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", (LPSTR)&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);
FIXME("fSamplesPerSec = %f\n", (double)fSamplesPerSec);
FIXME("dwSampleSize = %lx\n", dwSampleSize);
FIXME("dwLength = %lx\n", dwLength);
ppOldPins = This->ppPins;
This->ppPins = HeapAlloc(GetProcessHeap(), 0, (This->cStreams + 2) * sizeof(IPin *));
memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
hr = AVISplitter_OutputPin_Construct(&piOutput, &props, NULL, AVISplitter_OutputPin_QueryAccept, &amt, fSamplesPerSec, &This->csFilter, This->ppPins + This->cStreams + 1);
if (SUCCEEDED(hr))
{
((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwSampleSize = dwSampleSize;
((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->dwLength = dwLength;
((AVISplitter_OutputPin *)(This->ppPins[This->cStreams + 1]))->pin.pin.pUserData = (LPVOID)This->ppPins[This->cStreams + 1];
This->cStreams++;
HeapFree(GetProcessHeap(), 0, ppOldPins);
}
else
{
HeapFree(GetProcessHeap(), 0, This->ppPins);
This->ppPins = ppOldPins;
ERR("Failed with error %lx\n", hr);
}
return hr;
}
static HRESULT AVISplitter_RemoveOutputPins(AVISplitter * This)
{
/* NOTE: should be in critical section when calling this function */
ULONG i;
IPin ** ppOldPins = This->ppPins;
/* reduce the pin array down to 1 (just our input pin) */
This->ppPins = HeapAlloc(GetProcessHeap(), 0, sizeof(IPin *) * 1);
memcpy(This->ppPins, ppOldPins, sizeof(IPin *) * 1);
for (i = 0; i < This->cStreams; i++)
{
OutputPin_DeliverDisconnect((OutputPin *)ppOldPins[i + 1]);
IPin_Release(ppOldPins[i + 1]);
}
This->cStreams = 0;
HeapFree(GetProcessHeap(), 0, ppOldPins);
return S_OK;
}
/* 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;
AVISplitter * pAviSplit = (AVISplitter *)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;
}
static HRESULT AVISplitter_ChangeStart(LPVOID iface)
{
FIXME("(%p)\n", iface);
return S_OK;
}
static HRESULT AVISplitter_ChangeStop(LPVOID iface)
{
FIXME("(%p)\n", iface);
return S_OK;
}
static HRESULT AVISplitter_ChangeRate(LPVOID iface)
{
FIXME("(%p)\n", iface);
return S_OK;
}
static HRESULT WINAPI AVISplitter_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
{
ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
}
static ULONG WINAPI AVISplitter_Seeking_AddRef(IMediaSeeking * iface)
{
ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
return IUnknown_AddRef((IUnknown *)This);
}
static ULONG WINAPI AVISplitter_Seeking_Release(IMediaSeeking * iface)
{
ICOM_THIS_From_IMediaSeeking(AVISplitter_OutputPin, iface);
return IUnknown_Release((IUnknown *)This);
}
static const IMediaSeekingVtbl AVISplitter_Seeking_Vtbl =
{
AVISplitter_Seeking_QueryInterface,
AVISplitter_Seeking_AddRef,
AVISplitter_Seeking_Release,
MediaSeekingImpl_GetCapabilities,
MediaSeekingImpl_CheckCapabilities,
MediaSeekingImpl_IsFormatSupported,
MediaSeekingImpl_QueryPreferredFormat,
MediaSeekingImpl_GetTimeFormat,
MediaSeekingImpl_IsUsingTimeFormat,
MediaSeekingImpl_SetTimeFormat,
MediaSeekingImpl_GetDuration,
MediaSeekingImpl_GetStopPosition,
MediaSeekingImpl_GetCurrentPosition,
MediaSeekingImpl_ConvertTimeFormat,
MediaSeekingImpl_SetPositions,
MediaSeekingImpl_GetPositions,
MediaSeekingImpl_GetAvailable,
MediaSeekingImpl_SetRate,
MediaSeekingImpl_GetRate,
MediaSeekingImpl_GetPreroll
};
HRESULT WINAPI AVISplitter_OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
{
AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = (LPVOID)iface;
else if (IsEqualIID(riid, &IID_IPin))
*ppv = (LPVOID)iface;
else if (IsEqualIID(riid, &IID_IMediaSeeking))
*ppv = (LPVOID)&This->mediaSeeking;
if (*ppv)
{
IUnknown_AddRef((IUnknown *)(*ppv));
return S_OK;
}
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI AVISplitter_OutputPin_Release(IPin * iface)
{
AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
TRACE("()\n");
if (!InterlockedDecrement(&This->pin.pin.refCount))
{
DeleteMediaType(This->pmt);
CoTaskMemFree(This->pmt);
DeleteMediaType(&This->pin.pin.mtCurrent);
CoTaskMemFree(This);
return 0;
}
return This->pin.pin.refCount;
}
static HRESULT WINAPI AVISplitter_OutputPin_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
{
ENUMMEDIADETAILS emd;
AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
TRACE("(%p)\n", ppEnum);
/* override this method to allow enumeration of your types */
emd.cMediaTypes = 1;
emd.pMediaTypes = This->pmt;
return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
}
static HRESULT AVISplitter_OutputPin_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
{
AVISplitter_OutputPin *This = (AVISplitter_OutputPin *)iface;
TRACE("()\n");
dump_AM_MEDIA_TYPE(pmt);
return (memcmp(This->pmt, pmt, sizeof(AM_MEDIA_TYPE)) == 0);
}
static const IPinVtbl AVISplitter_OutputPin_Vtbl =
{
AVISplitter_OutputPin_QueryInterface,
IPinImpl_AddRef,
AVISplitter_OutputPin_Release,
OutputPin_Connect,
OutputPin_ReceiveConnection,
OutputPin_Disconnect,
IPinImpl_ConnectedTo,
IPinImpl_ConnectionMediaType,
IPinImpl_QueryPinInfo,
IPinImpl_QueryDirection,
IPinImpl_QueryId,
IPinImpl_QueryAccept,
AVISplitter_OutputPin_EnumMediaTypes,
IPinImpl_QueryInternalConnections,
OutputPin_EndOfStream,
OutputPin_BeginFlush,
OutputPin_EndFlush,
OutputPin_NewSegment
};
static HRESULT AVISplitter_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
{
PullPin * pPinImpl;
*ppPin = NULL;
if (pPinInfo->dir != PINDIR_INPUT)
{
ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
return E_INVALIDARG;
}
pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
if (!pPinImpl)
return E_OUTOFMEMORY;
if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
{
pPinImpl->pin.lpVtbl = &AVISplitter_InputPin_Vtbl;
*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
return S_OK;
}
return E_FAIL;
}
static HRESULT WINAPI AVISplitter_InputPin_Disconnect(IPin * iface)
{
HRESULT hr;
IPinImpl *This = (IPinImpl *)iface;
TRACE("()\n");
EnterCriticalSection(This->pCritSec);
{
if (This->pConnectedTo)
{
FILTER_STATE state;
hr = IBaseFilter_GetState(This->pinInfo.pFilter, 0, &state);
if (SUCCEEDED(hr) && (state == State_Stopped))
{
IPin_Release(This->pConnectedTo);
This->pConnectedTo = NULL;
hr = AVISplitter_RemoveOutputPins((AVISplitter *)This->pinInfo.pFilter);
}
else
hr = VFW_E_NOT_STOPPED;
}
else
hr = S_FALSE;
}
LeaveCriticalSection(This->pCritSec);
return hr;
}
static const IPinVtbl AVISplitter_InputPin_Vtbl =
{
PullPin_QueryInterface,
IPinImpl_AddRef,
PullPin_Release,
OutputPin_Connect,
PullPin_ReceiveConnection,
AVISplitter_InputPin_Disconnect,
IPinImpl_ConnectedTo,
IPinImpl_ConnectionMediaType,
IPinImpl_QueryPinInfo,
IPinImpl_QueryDirection,
IPinImpl_QueryId,
IPinImpl_QueryAccept,
IPinImpl_EnumMediaTypes,
IPinImpl_QueryInternalConnections,
PullPin_EndOfStream,
PullPin_BeginFlush,
PullPin_EndFlush,
PullPin_NewSegment
};
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