2 * AVI Decompressor (VFW decompressors wrapper)
4 * Copyright 2004-2005 Christian Costa
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "quartz_private.h"
37 #include "wine/unicode.h"
38 #include "wine/debug.h"
40 #include "transform.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
44 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter);
46 typedef struct AVIDecImpl
48 TransformFilterImpl tf;
50 BITMAPINFOHEADER* pBihIn;
51 BITMAPINFOHEADER* pBihOut;
54 static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter)
56 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
59 TRACE("(%p)->()\n", This);
61 result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
62 if (result != ICERR_OK)
64 ERR("Cannot start processing (%d)\n", result);
70 static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, IMediaSample *pSample)
72 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
76 IMediaSample* pOutSample = NULL;
81 LONGLONG tStart, tStop;
83 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
86 ERR("Cannot get pointer to sample data (%x)\n", hr);
90 cbSrcStream = IMediaSample_GetActualDataLength(pSample);
92 TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, (long)cbSrcStream);
94 hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
96 ERR("Unable to retrieve media type\n");
100 /* Update input size to match sample size */
101 This->pBihIn->biSizeImage = cbSrcStream;
103 hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
105 ERR("Unable to get delivery buffer (%x)\n", hr);
109 hr = IMediaSample_SetActualDataLength(pOutSample, 0);
112 hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
114 ERR("Unable to get pointer to buffer (%x)\n", hr);
117 cbDstStream = IMediaSample_GetSize(pOutSample);
118 if (cbDstStream < This->pBihOut->biSizeImage) {
119 ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
124 res = ICDecompress(This->hvid, 0, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
126 ERR("Error occurred during the decompression (%x)\n", res);
129 IMediaSample_SetPreroll(pOutSample, (IMediaSample_IsPreroll(pSample) == S_OK));
130 IMediaSample_SetDiscontinuity(pOutSample, (IMediaSample_IsDiscontinuity(pSample) == S_OK));
131 IMediaSample_SetSyncPoint(pOutSample, (IMediaSample_IsSyncPoint(pSample) == S_OK));
133 if (IMediaSample_GetTime(pSample, &tStart, &tStop) == S_OK)
134 IMediaSample_SetTime(pOutSample, &tStart, &tStop);
136 IMediaSample_SetTime(pOutSample, NULL, NULL);
138 hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pOutSample);
139 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
140 ERR("Error sending sample (%x)\n", hr);
146 IMediaSample_Release(pOutSample);
151 static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter)
153 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
156 TRACE("(%p)->()\n", This);
161 result = ICDecompressEnd(This->hvid);
162 if (result != ICERR_OK)
164 ERR("Cannot stop processing (%d)\n", result);
170 static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
172 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
173 HRESULT hr = VFW_E_TYPE_NOT_ACCEPTED;
175 TRACE("(%p)->(%p)\n", This, pmt);
177 AVIDec_Cleanup(pTransformFilter);
179 /* Check root (GUID w/o FOURCC) */
180 if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
181 (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) &&
182 (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)))
184 VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat;
186 This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, &format->bmiHeader, NULL, ICMODE_DECOMPRESS);
189 AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
190 const CLSID* outsubtype;
192 DWORD output_depth = format->bmiHeader.biBitCount;
195 switch(format->bmiHeader.biBitCount)
197 case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
198 case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
199 case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
200 case 8: outsubtype = &MEDIASUBTYPE_RGB8; break;
202 TRACE("Non standard input depth %d, forced ouptut depth to 32\n", format->bmiHeader.biBitCount);
203 outsubtype = &MEDIASUBTYPE_RGB32;
208 /* Copy bitmap header from media type to 1 for input and 1 for output */
209 bih_size = format->bmiHeader.biSize + format->bmiHeader.biClrUsed * 4;
210 This->pBihIn = CoTaskMemAlloc(bih_size);
216 This->pBihOut = CoTaskMemAlloc(bih_size);
222 memcpy(This->pBihIn, &format->bmiHeader, bih_size);
223 memcpy(This->pBihOut, &format->bmiHeader, bih_size);
225 /* Update output format as non compressed bitmap */
226 This->pBihOut->biCompression = 0;
227 This->pBihOut->biBitCount = output_depth;
228 This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
230 result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
231 if (result != ICERR_OK)
233 TRACE("Unable to found a suitable output format (%d)\n", result);
237 /* Update output media type */
238 CopyMediaType(outpmt, pmt);
239 outpmt->subtype = *outsubtype;
240 memcpy(&(((VIDEOINFOHEADER*)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
242 /* Update buffer size of media samples in output */
243 ((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage;
245 TRACE("Connection accepted\n");
248 TRACE("Unable to find a suitable VFW decompressor\n");
252 AVIDec_Cleanup(pTransformFilter);
254 TRACE("Connection refused\n");
258 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter)
260 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
262 TRACE("(%p)->()\n", This);
267 CoTaskMemFree(This->pBihIn);
269 CoTaskMemFree(This->pBihOut);
273 This->pBihOut = NULL;
278 static const TransformFuncsTable AVIDec_FuncsTable = {
280 AVIDec_ProcessSampleData,
287 HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)
292 TRACE("(%p, %p)\n", pUnkOuter, ppv);
297 return CLASS_E_NOAGGREGATION;
299 /* Note: This memory is managed by the transform filter once created */
300 This = CoTaskMemAlloc(sizeof(AVIDecImpl));
304 This->pBihOut = NULL;
306 hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable, NULL, NULL, NULL);