|  | /* | 
|  | * AVI Decompressor (VFW decompressors wrapper) | 
|  | * | 
|  | * 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 | 
|  | */ | 
|  |  | 
|  | #include "config.h" | 
|  |  | 
|  | #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 "windef.h" | 
|  | #include "winbase.h" | 
|  | #include "dshow.h" | 
|  | #include "strmif.h" | 
|  | #include "vfwmsgs.h" | 
|  | #include "evcode.h" | 
|  | #include "vfw.h" | 
|  |  | 
|  | #include <assert.h> | 
|  |  | 
|  | #include "wine/unicode.h" | 
|  | #include "wine/debug.h" | 
|  |  | 
|  | #include "transform.h" | 
|  |  | 
|  | WINE_DEFAULT_DEBUG_CHANNEL(quartz); | 
|  |  | 
|  | static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter); | 
|  |  | 
|  | typedef struct AVIDecImpl | 
|  | { | 
|  | TransformFilterImpl tf; | 
|  | HIC hvid; | 
|  | BITMAPINFOHEADER* pBihIn; | 
|  | BITMAPINFOHEADER* pBihOut; | 
|  | } AVIDecImpl; | 
|  |  | 
|  | static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter) | 
|  | { | 
|  | AVIDecImpl* This = (AVIDecImpl*)pTransformFilter; | 
|  | DWORD result; | 
|  |  | 
|  | TRACE("(%p)->()\n", This); | 
|  |  | 
|  | result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut); | 
|  | if (result != ICERR_OK) | 
|  | { | 
|  | ERR("Cannot start processing (%ld)\n", result); | 
|  | return E_FAIL; | 
|  | } | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, LPBYTE data, DWORD size) | 
|  | { | 
|  | AVIDecImpl* This = (AVIDecImpl*)pTransformFilter; | 
|  | VIDEOINFOHEADER* format; | 
|  | AM_MEDIA_TYPE amt; | 
|  | HRESULT hr; | 
|  | DWORD res; | 
|  | IMediaSample* pSample = NULL; | 
|  | DWORD cbDstStream; | 
|  | LPBYTE pbDstStream; | 
|  |  | 
|  | TRACE("(%p)->(%p,%ld)\n", This, data, size); | 
|  |  | 
|  | hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt); | 
|  | if (FAILED(hr)) { | 
|  | ERR("Unable to retrieve media type\n"); | 
|  | goto error; | 
|  | } | 
|  | format = (VIDEOINFOHEADER*)amt.pbFormat; | 
|  |  | 
|  | /* Update input size to match sample size */ | 
|  | This->pBihIn->biSizeImage = size; | 
|  |  | 
|  | hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pSample, NULL, NULL, 0); | 
|  | if (FAILED(hr)) { | 
|  | ERR("Unable to get delivery buffer (%lx)\n", hr); | 
|  | goto error; | 
|  | } | 
|  |  | 
|  | hr = IMediaSample_SetActualDataLength(pSample, 0); | 
|  | assert(hr == S_OK); | 
|  |  | 
|  | hr = IMediaSample_GetPointer(pSample, &pbDstStream); | 
|  | if (FAILED(hr)) { | 
|  | ERR("Unable to get pointer to buffer (%lx)\n", hr); | 
|  | goto error; | 
|  | } | 
|  | cbDstStream = IMediaSample_GetSize(pSample); | 
|  | if (cbDstStream < This->pBihOut->biSizeImage) { | 
|  | ERR("Sample size is too small %ld < %ld\n", cbDstStream, This->pBihOut->biSizeImage); | 
|  | hr = E_FAIL; | 
|  | goto error; | 
|  | } | 
|  |  | 
|  | res = ICDecompress(This->hvid, 0, This->pBihIn, data, This->pBihOut, pbDstStream); | 
|  | if (res != ICERR_OK) | 
|  | ERR("Error occurred during the decompression (%lx)\n", res); | 
|  |  | 
|  | hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pSample); | 
|  | if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) { | 
|  | ERR("Error sending sample (%lx)\n", hr); | 
|  | goto error; | 
|  | } | 
|  |  | 
|  | error: | 
|  | if (pSample) | 
|  | IMediaSample_Release(pSample); | 
|  |  | 
|  | return hr; | 
|  | } | 
|  |  | 
|  | static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter) | 
|  | { | 
|  | AVIDecImpl* This = (AVIDecImpl*)pTransformFilter; | 
|  | DWORD result; | 
|  |  | 
|  | TRACE("(%p)->()\n", This); | 
|  |  | 
|  | result = ICDecompressEnd(This->hvid); | 
|  | if (result != ICERR_OK) | 
|  | { | 
|  | ERR("Cannot stop processing (%ld)\n", result); | 
|  | return E_FAIL; | 
|  | } | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt) | 
|  | { | 
|  | AVIDecImpl* This = (AVIDecImpl*)pTransformFilter; | 
|  | HRESULT hr = S_FALSE; | 
|  |  | 
|  | TRACE("(%p)->(%p)\n", This, pmt); | 
|  |  | 
|  | AVIDec_Cleanup(pTransformFilter); | 
|  |  | 
|  | if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) && | 
|  | (!memcmp(((char*)&pmt->subtype)+4, ((char*)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) && /* Check root (GUID w/o FOURCC) */ | 
|  | (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo))) | 
|  | { | 
|  | VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat; | 
|  |  | 
|  | This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, &format->bmiHeader, NULL, ICMODE_DECOMPRESS); | 
|  | if (This->hvid) | 
|  | { | 
|  | AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent; | 
|  | const CLSID* outsubtype; | 
|  | DWORD bih_size; | 
|  | DWORD output_depth = format->bmiHeader.biBitCount; | 
|  | DWORD result; | 
|  |  | 
|  | switch(format->bmiHeader.biBitCount) | 
|  | { | 
|  | case 32: outsubtype = &MEDIASUBTYPE_RGB32; break; | 
|  | case 24: outsubtype = &MEDIASUBTYPE_RGB24; break; | 
|  | case 16: outsubtype = &MEDIASUBTYPE_RGB565; break; | 
|  | case 8:  outsubtype = &MEDIASUBTYPE_RGB8; break; | 
|  | default: | 
|  | TRACE("Non standard input depth %d, forced ouptut depth to 32\n", format->bmiHeader.biBitCount); | 
|  | outsubtype = &MEDIASUBTYPE_RGB32; | 
|  | output_depth = 32; | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* Copy bitmap header from media type to 1 for input and 1 for output */ | 
|  | bih_size = format->bmiHeader.biSize + format->bmiHeader.biClrUsed * 4; | 
|  | This->pBihIn = (BITMAPINFOHEADER*)CoTaskMemAlloc(bih_size); | 
|  | if (!This->pBihIn) | 
|  | { | 
|  | hr = E_OUTOFMEMORY; | 
|  | goto failed; | 
|  | } | 
|  | This->pBihOut = (BITMAPINFOHEADER*)CoTaskMemAlloc(bih_size); | 
|  | if (!This->pBihOut) | 
|  | { | 
|  | hr = E_OUTOFMEMORY; | 
|  | goto failed; | 
|  | } | 
|  | memcpy(This->pBihIn, &format->bmiHeader, bih_size); | 
|  | memcpy(This->pBihOut, &format->bmiHeader, bih_size); | 
|  |  | 
|  | /* Update output format as non compressed bitmap */ | 
|  | This->pBihOut->biCompression = 0; | 
|  | This->pBihOut->biBitCount = output_depth; | 
|  | This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8; | 
|  |  | 
|  | result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut); | 
|  | if (result != ICERR_OK) | 
|  | { | 
|  | TRACE("Unable to found a suitable output format (%ld)\n", result); | 
|  | goto failed; | 
|  | } | 
|  |  | 
|  | /* Update output media type */ | 
|  | CopyMediaType(outpmt, pmt); | 
|  | outpmt->subtype = *outsubtype; | 
|  | memcpy(&(((VIDEOINFOHEADER*)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize); | 
|  |  | 
|  | /* Update buffer size of media samples in output */ | 
|  | ((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage; | 
|  |  | 
|  | TRACE("Connection accepted\n"); | 
|  | return S_OK; | 
|  | } | 
|  | TRACE("Unable to find a suitable VFW decompressor\n"); | 
|  | } | 
|  |  | 
|  | failed: | 
|  | AVIDec_Cleanup(pTransformFilter); | 
|  |  | 
|  | TRACE("Connection refused\n"); | 
|  | return hr; | 
|  | } | 
|  |  | 
|  | static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter) | 
|  | { | 
|  | AVIDecImpl* This = (AVIDecImpl*)pTransformFilter; | 
|  |  | 
|  | TRACE("(%p)->()\n", This); | 
|  |  | 
|  | if (This->hvid) | 
|  | ICClose(This->hvid); | 
|  | if (This->pBihIn) | 
|  | CoTaskMemFree(This->pBihIn); | 
|  | if (This->pBihOut) | 
|  | CoTaskMemFree(This->pBihOut); | 
|  |  | 
|  | This->hvid = NULL; | 
|  | This->pBihIn = NULL; | 
|  | This->pBihOut = NULL; | 
|  |  | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | TransformFuncsTable AVIDec_FuncsTable = { | 
|  | AVIDec_ProcessBegin, | 
|  | AVIDec_ProcessSampleData, | 
|  | AVIDec_ProcessEnd, | 
|  | AVIDec_ConnectInput, | 
|  | AVIDec_Cleanup | 
|  | }; | 
|  |  | 
|  | HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv) | 
|  | { | 
|  | HRESULT hr; | 
|  | AVIDecImpl * 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(AVIDecImpl)); | 
|  |  | 
|  | This->hvid = NULL; | 
|  | This->pBihIn = NULL; | 
|  | This->pBihOut = NULL; | 
|  |  | 
|  | hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable); | 
|  |  | 
|  | if (FAILED(hr)) | 
|  | return hr; | 
|  |  | 
|  | *ppv = (LPVOID)This; | 
|  |  | 
|  | return hr; | 
|  | } |