+++ /dev/null
-/*
- * WAVE Parser Filter
- *
- * Copyright 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#include "quartz_private.h"
-
-static const WCHAR wcsOutputPinName[] = {'o','u','t','p','u','t',' ','p','i','n',0};
-
-typedef struct WAVEParserImpl
-{
- ParserImpl Parser;
- LONGLONG StartOfFile; /* in media time */
- LONGLONG EndOfFile;
- DWORD nAvgBytesPerSec;
- DWORD nBlockAlign;
-} WAVEParserImpl;
-
-static inline WAVEParserImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
-{
- return CONTAINING_RECORD(iface, WAVEParserImpl, Parser.sourceSeeking.IMediaSeeking_iface);
-}
-
-static inline WAVEParserImpl *impl_from_IBaseFilter( IBaseFilter *iface )
-{
- return CONTAINING_RECORD(iface, WAVEParserImpl, Parser.filter.IBaseFilter_iface);
-}
-
-static LONGLONG bytepos_to_duration(WAVEParserImpl *This, LONGLONG bytepos)
-{
- LONGLONG duration = BYTES_FROM_MEDIATIME(bytepos - This->StartOfFile);
- duration *= 10000000;
- duration /= This->nAvgBytesPerSec;
-
- return duration;
-}
-
-static LONGLONG duration_to_bytepos(WAVEParserImpl *This, LONGLONG duration)
-{
- LONGLONG bytepos;
-
- bytepos = This->nAvgBytesPerSec;
- bytepos *= duration;
- bytepos /= 10000000;
- bytepos -= bytepos % This->nBlockAlign;
- bytepos += BYTES_FROM_MEDIATIME(This->StartOfFile);
-
- return MEDIATIME_FROM_BYTES(bytepos);
-}
-
-static HRESULT WAVEParser_Sample(LPVOID iface, IMediaSample * pSample, DWORD_PTR cookie)
-{
- WAVEParserImpl *This = iface;
- LPBYTE pbSrcStream = NULL;
- ULONG cbSrcStream = 0;
- REFERENCE_TIME tStart, tStop;
- HRESULT hr;
- IMediaSample *newsample = NULL;
- Parser_OutputPin *pOutputPin;
- PullPin *pin = This->Parser.pInputPin;
-
- IMediaSample_GetPointer(pSample, &pbSrcStream);
- hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
-
- cbSrcStream = IMediaSample_GetActualDataLength(pSample);
-
- /* Flush occurring */
- if (cbSrcStream == 0)
- {
- TRACE(".. Why do I need you?\n");
- return S_OK;
- }
-
- pOutputPin = unsafe_impl_Parser_OutputPin_from_IPin(This->Parser.ppPins[1]);
-
- if (SUCCEEDED(hr))
- hr = IMemAllocator_GetBuffer(pin->pAlloc, &newsample, NULL, NULL, 0);
-
- if (SUCCEEDED(hr))
- {
- LONGLONG rtSampleStart = pin->rtNext;
- /* Add 4 for the next header, which should hopefully work */
- LONGLONG rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(IMediaSample_GetSize(newsample));
-
- if (rtSampleStop > pin->rtStop)
- rtSampleStop = MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(pin->rtStop), pin->cbAlign));
-
- IMediaSample_SetTime(newsample, &rtSampleStart, &rtSampleStop);
-
- pin->rtCurrent = pin->rtNext;
- pin->rtNext = rtSampleStop;
-
- IMediaSample_SetPreroll(newsample, FALSE);
- IMediaSample_SetDiscontinuity(newsample, FALSE);
- IMediaSample_SetSyncPoint(newsample, TRUE);
-
- hr = IAsyncReader_Request(pin->pReader, newsample, 0);
- }
-
- if (SUCCEEDED(hr))
- {
- REFERENCE_TIME tAviStart, tAviStop;
-
- IMediaSample_SetSyncPoint(pSample, TRUE);
- pOutputPin->dwSamplesProcessed++;
-
- tAviStart = bytepos_to_duration(This, tStart);
- tAviStop = bytepos_to_duration(This, tStart + MEDIATIME_FROM_BYTES(IMediaSample_GetActualDataLength(pSample)));
-
- IMediaSample_SetTime(pSample, &tAviStart, &tAviStop);
-
- hr = BaseOutputPinImpl_Deliver(&pOutputPin->pin, pSample);
- if (hr != S_OK && hr != S_FALSE && hr != VFW_E_WRONG_STATE)
- ERR("Error sending sample (%x)\n", hr);
- else if (hr != S_OK)
- /* Unset progression if denied! */
- This->Parser.pInputPin->rtCurrent = tStart;
- }
-
- if (tStop >= This->EndOfFile || (bytepos_to_duration(This, tStop) >= This->Parser.sourceSeeking.llStop) || hr == VFW_E_NOT_CONNECTED)
- {
- unsigned 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 %u\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("%x\n", hr);
- break;
- }
- }
-
- /* Force the pullpin thread to stop */
- hr = S_FALSE;
- }
-
- return hr;
-}
-
-static HRESULT WAVEParser_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
-{
- if (!IsEqualIID(&pmt->majortype, &MEDIATYPE_Stream))
- return S_FALSE;
- if (IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_WAVE))
- return S_OK;
- if (IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_AU) || IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_AIFF))
- FIXME("AU and AIFF files not supported yet!\n");
- return S_FALSE;
-}
-
-static HRESULT WINAPI WAVEParserImpl_seek(IMediaSeeking *iface)
-{
- WAVEParserImpl *This = impl_from_IMediaSeeking(iface);
- PullPin *pPin = This->Parser.pInputPin;
- IPin *victim = NULL;
- LONGLONG newpos, curpos, endpos, bytepos;
-
- newpos = This->Parser.sourceSeeking.llCurrent;
- curpos = bytepos_to_duration(This, pPin->rtCurrent);
- endpos = bytepos_to_duration(This, This->EndOfFile);
- bytepos = duration_to_bytepos(This, newpos);
-
- if (newpos > endpos)
- {
- WARN("Requesting position %x%08x beyond end of stream %x%08x\n", (DWORD)(newpos>>32), (DWORD)newpos, (DWORD)(endpos>>32), (DWORD)endpos);
- return E_INVALIDARG;
- }
-
- if (curpos/1000000 == newpos/1000000)
- {
- TRACE("Requesting position %x%08x same as current position %x%08x\n", (DWORD)(newpos>>32), (DWORD)newpos, (DWORD)(curpos>>32), (DWORD)curpos);
- return S_OK;
- }
-
- TRACE("Moving sound to %08u bytes!\n", (DWORD)BYTES_FROM_MEDIATIME(bytepos));
-
- EnterCriticalSection(&pPin->thread_lock);
- IPin_BeginFlush(&pPin->pin.IPin_iface);
-
- /* Make sure this is done while stopped, BeginFlush takes care of this */
- EnterCriticalSection(&This->Parser.filter.csFilter);
- IPin_ConnectedTo(This->Parser.ppPins[1], &victim);
- if (victim)
- {
- IPin_NewSegment(victim, newpos, endpos, pPin->dRate);
- IPin_Release(victim);
- }
-
- pPin->rtStart = pPin->rtCurrent = bytepos;
- unsafe_impl_Parser_OutputPin_from_IPin(This->Parser.ppPins[1])->dwSamplesProcessed = 0;
- LeaveCriticalSection(&This->Parser.filter.csFilter);
-
- TRACE("Done flushing\n");
- IPin_EndFlush(&pPin->pin.IPin_iface);
- LeaveCriticalSection(&pPin->thread_lock);
-
- return S_OK;
-}
-
-static HRESULT WAVEParser_InputPin_PreConnect(IPin * iface, IPin * pConnectPin, ALLOCATOR_PROPERTIES *props)
-{
- PullPin *This = impl_PullPin_from_IPin(iface);
- HRESULT hr;
- RIFFLIST list;
- RIFFCHUNK chunk;
- LONGLONG pos = 0; /* in bytes */
- PIN_INFO piOutput;
- AM_MEDIA_TYPE amt;
- WAVEParserImpl * pWAVEParser = impl_from_IBaseFilter(This->pin.pinInfo.pFilter);
-
- piOutput.dir = PINDIR_OUTPUT;
- piOutput.pFilter = &pWAVEParser->Parser.filter.IBaseFilter_iface;
- lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
-
- hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(list), (BYTE *)&list);
- pos += sizeof(list);
-
- if (list.fcc != FOURCC_RIFF)
- {
- 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 != mmioFOURCC('W','A','V','E'))
- {
- ERR("Input stream not an WAVE RIFF file\n");
- return E_FAIL;
- }
-
- hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(chunk), (BYTE *)&chunk);
- pos += sizeof(chunk);
- if (chunk.fcc != mmioFOURCC('f','m','t',' '))
- {
- ERR("Expected 'fmt ' chunk, but got %.04s\n", (LPSTR)&chunk.fcc);
- return E_FAIL;
- }
-
- amt.majortype = MEDIATYPE_Audio;
- amt.formattype = FORMAT_WaveFormatEx;
- amt.cbFormat = chunk.cb;
- amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
- amt.pUnk = NULL;
- IAsyncReader_SyncRead(This->pReader, pos, amt.cbFormat, amt.pbFormat);
- amt.subtype = MEDIATYPE_Audio;
- amt.subtype.Data1 = ((WAVEFORMATEX*)amt.pbFormat)->wFormatTag;
-
- pos += chunk.cb;
- hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(chunk), (BYTE *)&chunk);
- if (chunk.fcc == mmioFOURCC('f','a','c','t'))
- {
- FIXME("'fact' chunk not supported yet\n");
- pos += sizeof(chunk) + chunk.cb;
- hr = IAsyncReader_SyncRead(This->pReader, pos, sizeof(chunk), (BYTE *)&chunk);
- }
- if (chunk.fcc != mmioFOURCC('d','a','t','a'))
- {
- ERR("Expected 'data' chunk, but got %.04s\n", (LPSTR)&chunk.fcc);
- return E_FAIL;
- }
-
- if (hr == S_OK)
- {
- pWAVEParser->StartOfFile = MEDIATIME_FROM_BYTES(pos + sizeof(RIFFCHUNK));
- pWAVEParser->EndOfFile = MEDIATIME_FROM_BYTES(pos + chunk.cb + sizeof(RIFFCHUNK));
- }
-
- if (hr != S_OK)
- return E_FAIL;
-
- props->cbAlign = ((WAVEFORMATEX*)amt.pbFormat)->nBlockAlign;
- props->cbPrefix = 0;
- props->cbBuffer = 4096;
- props->cBuffers = 3;
- pWAVEParser->nBlockAlign = ((WAVEFORMATEX*)amt.pbFormat)->nBlockAlign;
- pWAVEParser->nAvgBytesPerSec = ((WAVEFORMATEX*)amt.pbFormat)->nAvgBytesPerSec;
- hr = Parser_AddPin(&(pWAVEParser->Parser), &piOutput, props, &amt);
- CoTaskMemFree(amt.pbFormat);
-
- pWAVEParser->Parser.sourceSeeking.llCurrent = 0;
- pWAVEParser->Parser.sourceSeeking.llStop = pWAVEParser->Parser.sourceSeeking.llDuration = bytepos_to_duration(pWAVEParser, pWAVEParser->EndOfFile);
- TRACE("Duration: %u seconds\n", (DWORD)(pWAVEParser->Parser.sourceSeeking.llDuration / (LONGLONG)10000000));
-
- This->rtStop = pWAVEParser->EndOfFile;
- This->rtStart = pWAVEParser->StartOfFile;
-
- TRACE("WAVE File ok\n");
-
- return hr;
-}
-
-static HRESULT WAVEParser_Cleanup(LPVOID iface)
-{
- WAVEParserImpl *This = iface;
-
- TRACE("(%p)->()\n", This);
-
- return S_OK;
-}
-
-static HRESULT WAVEParser_first_request(LPVOID iface)
-{
- WAVEParserImpl *This = iface;
- PullPin *pin = This->Parser.pInputPin;
- HRESULT hr;
- IMediaSample *sample;
-
- if (pin->rtCurrent >= pin->rtStop)
- {
- /* Last sample has already been queued, request nothing more */
- TRACE("Done!\n");
- return S_OK;
- }
-
- hr = IMemAllocator_GetBuffer(pin->pAlloc, &sample, NULL, NULL, 0);
-
- pin->rtNext = pin->rtCurrent;
- if (SUCCEEDED(hr))
- {
- LONGLONG rtSampleStart = pin->rtNext;
- /* Add 4 for the next header, which should hopefully work */
- LONGLONG rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(IMediaSample_GetSize(sample));
- Parser_OutputPin *outpin = unsafe_impl_Parser_OutputPin_from_IPin(This->Parser.ppPins[1]);
-
- if (rtSampleStop > pin->rtStop)
- rtSampleStop = MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(pin->rtStop), pin->cbAlign));
-
- IMediaSample_SetTime(sample, &rtSampleStart, &rtSampleStop);
-
- pin->rtCurrent = pin->rtNext;
- pin->rtNext = rtSampleStop;
-
- IMediaSample_SetPreroll(sample, FALSE);
- if (!outpin->dwSamplesProcessed++)
- IMediaSample_SetDiscontinuity(sample, TRUE);
- else
- IMediaSample_SetDiscontinuity(sample, FALSE);
-
- hr = IAsyncReader_Request(pin->pReader, sample, 0);
- }
- if (FAILED(hr))
- ERR("Horsemen of the apocalypse came to bring error 0x%08x %p\n", hr, sample);
-
- return hr;
-}
-
-static HRESULT WAVEParser_disconnect(LPVOID iface)
-{
- /* TODO: Find and plug memory leaks */
- return S_OK;
-}
-
-static const IBaseFilterVtbl WAVEParser_Vtbl =
-{
- Parser_QueryInterface,
- Parser_AddRef,
- Parser_Release,
- Parser_GetClassID,
- Parser_Stop,
- Parser_Pause,
- Parser_Run,
- Parser_GetState,
- Parser_SetSyncSource,
- Parser_GetSyncSource,
- Parser_EnumPins,
- Parser_FindPin,
- Parser_QueryFilterInfo,
- Parser_JoinFilterGraph,
- Parser_QueryVendorInfo
-};
-
-HRESULT WAVEParser_create(IUnknown * pUnkOuter, LPVOID * ppv)
-{
- HRESULT hr;
- WAVEParserImpl * 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(WAVEParserImpl));
-
- hr = Parser_Create(&(This->Parser), &WAVEParser_Vtbl, &CLSID_WAVEParser, WAVEParser_Sample, WAVEParser_QueryAccept, WAVEParser_InputPin_PreConnect, WAVEParser_Cleanup, WAVEParser_disconnect, WAVEParser_first_request, NULL, NULL, WAVEParserImpl_seek, NULL);
-
- if (FAILED(hr))
- return hr;
-
- *ppv = &This->Parser.filter.IBaseFilter_iface;
-
- return hr;
-}
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