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"
38 #include "wine/unicode.h"
39 #include "wine/debug.h"
41 #include "transform.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
45 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter);
47 typedef struct AVIDecImpl
49 TransformFilterImpl tf;
51 BITMAPINFOHEADER* pBihIn;
52 BITMAPINFOHEADER* pBihOut;
55 static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter)
57 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
60 TRACE("(%p)->()\n", This);
62 result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
63 if (result != ICERR_OK)
65 ERR("Cannot start processing (%d)\n", result);
71 static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, IMediaSample *pSample)
73 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
77 IMediaSample* pOutSample = NULL;
82 LONGLONG tStart, tStop;
84 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
87 ERR("Cannot get pointer to sample data (%x)\n", hr);
91 cbSrcStream = IMediaSample_GetActualDataLength(pSample);
93 TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, (long)cbSrcStream);
95 hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
97 ERR("Unable to retrieve media type\n");
101 /* Update input size to match sample size */
102 This->pBihIn->biSizeImage = cbSrcStream;
104 hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
106 ERR("Unable to get delivery buffer (%x)\n", hr);
110 hr = IMediaSample_SetActualDataLength(pOutSample, 0);
113 hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
115 ERR("Unable to get pointer to buffer (%x)\n", hr);
118 cbDstStream = IMediaSample_GetSize(pOutSample);
119 if (cbDstStream < This->pBihOut->biSizeImage) {
120 ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
125 res = ICDecompress(This->hvid, 0, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
127 ERR("Error occurred during the decompression (%x)\n", res);
129 IMediaSample_SetActualDataLength(pOutSample, This->pBihOut->biSizeImage);
131 IMediaSample_SetPreroll(pOutSample, (IMediaSample_IsPreroll(pSample) == S_OK));
132 IMediaSample_SetDiscontinuity(pOutSample, (IMediaSample_IsDiscontinuity(pSample) == S_OK));
133 IMediaSample_SetSyncPoint(pOutSample, (IMediaSample_IsSyncPoint(pSample) == S_OK));
135 if (IMediaSample_GetTime(pSample, &tStart, &tStop) == S_OK)
136 IMediaSample_SetTime(pOutSample, &tStart, &tStop);
138 IMediaSample_SetTime(pOutSample, NULL, NULL);
140 hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pOutSample);
141 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
142 ERR("Error sending sample (%x)\n", hr);
148 IMediaSample_Release(pOutSample);
153 static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter)
155 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
158 TRACE("(%p)->()\n", This);
163 result = ICDecompressEnd(This->hvid);
164 if (result != ICERR_OK)
166 ERR("Cannot stop processing (%d)\n", result);
172 static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
174 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
175 HRESULT hr = VFW_E_TYPE_NOT_ACCEPTED;
177 TRACE("(%p)->(%p)\n", This, pmt);
179 AVIDec_Cleanup(pTransformFilter);
181 /* Check root (GUID w/o FOURCC) */
182 if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
183 (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)))
185 VIDEOINFOHEADER *format1 = (VIDEOINFOHEADER *)pmt->pbFormat;
186 VIDEOINFOHEADER2 *format2 = (VIDEOINFOHEADER2 *)pmt->pbFormat;
187 BITMAPINFOHEADER *bmi;
189 if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo))
190 bmi = &format1->bmiHeader;
191 else if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo2))
192 bmi = &format2->bmiHeader;
195 TRACE("Fourcc: %s\n", debugstr_an((char *)&pmt->subtype.Data1, 4));
197 This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, bmi, NULL, ICMODE_DECOMPRESS);
200 AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
201 const CLSID* outsubtype;
203 DWORD output_depth = bmi->biBitCount;
206 switch(bmi->biBitCount)
208 case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
209 case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
210 case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
211 case 8: outsubtype = &MEDIASUBTYPE_RGB8; break;
213 WARN("Non standard input depth %d, forced output depth to 32\n", bmi->biBitCount);
214 outsubtype = &MEDIASUBTYPE_RGB32;
219 /* Copy bitmap header from media type to 1 for input and 1 for output */
220 bih_size = bmi->biSize + bmi->biClrUsed * 4;
221 This->pBihIn = CoTaskMemAlloc(bih_size);
227 This->pBihOut = CoTaskMemAlloc(bih_size);
233 memcpy(This->pBihIn, bmi, bih_size);
234 memcpy(This->pBihOut, bmi, bih_size);
236 /* Update output format as non compressed bitmap */
237 This->pBihOut->biCompression = 0;
238 This->pBihOut->biBitCount = output_depth;
239 This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
240 TRACE("Size: %u\n", This->pBihIn->biSize);
241 result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
242 if (result != ICERR_OK)
244 ERR("Unable to found a suitable output format (%d)\n", result);
248 /* Update output media type */
249 CopyMediaType(outpmt, pmt);
250 outpmt->subtype = *outsubtype;
252 if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo))
253 memcpy(&(((VIDEOINFOHEADER *)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
254 else if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo2))
255 memcpy(&(((VIDEOINFOHEADER2 *)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
259 /* Update buffer size of media samples in output */
260 ((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage;
262 TRACE("Connection accepted\n");
265 TRACE("Unable to find a suitable VFW decompressor\n");
269 AVIDec_Cleanup(pTransformFilter);
271 TRACE("Connection refused\n");
275 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter)
277 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
279 TRACE("(%p)->()\n", This);
284 CoTaskMemFree(This->pBihIn);
286 CoTaskMemFree(This->pBihOut);
290 This->pBihOut = NULL;
295 static const TransformFuncsTable AVIDec_FuncsTable = {
297 AVIDec_ProcessSampleData,
304 HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)
309 TRACE("(%p, %p)\n", pUnkOuter, ppv);
314 return CLASS_E_NOAGGREGATION;
316 /* Note: This memory is managed by the transform filter once created */
317 This = CoTaskMemAlloc(sizeof(AVIDecImpl));
321 This->pBihOut = NULL;
323 hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable, NULL, NULL, NULL);