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"
24 #include "control_private.h"
42 #include "wine/unicode.h"
43 #include "wine/debug.h"
45 #include "transform.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
49 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter);
51 typedef struct AVIDecImpl
53 TransformFilterImpl tf;
55 BITMAPINFOHEADER* pBihIn;
56 BITMAPINFOHEADER* pBihOut;
59 static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter)
61 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
64 TRACE("(%p)->()\n", This);
66 result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
67 if (result != ICERR_OK)
69 ERR("Cannot start processing (%d)\n", result);
75 static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, LPBYTE data, DWORD size)
77 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
78 VIDEOINFOHEADER* format;
82 IMediaSample* pSample = NULL;
86 TRACE("(%p)->(%p,%d)\n", This, data, size);
88 hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
90 ERR("Unable to retrieve media type\n");
93 format = (VIDEOINFOHEADER*)amt.pbFormat;
95 /* Update input size to match sample size */
96 This->pBihIn->biSizeImage = size;
98 hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pSample, NULL, NULL, 0);
100 ERR("Unable to get delivery buffer (%x)\n", hr);
104 hr = IMediaSample_SetActualDataLength(pSample, 0);
107 hr = IMediaSample_GetPointer(pSample, &pbDstStream);
109 ERR("Unable to get pointer to buffer (%x)\n", hr);
112 cbDstStream = IMediaSample_GetSize(pSample);
113 if (cbDstStream < This->pBihOut->biSizeImage) {
114 ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
119 res = ICDecompress(This->hvid, 0, This->pBihIn, data, This->pBihOut, pbDstStream);
121 ERR("Error occurred during the decompression (%x)\n", res);
123 hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pSample);
124 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
125 ERR("Error sending sample (%x)\n", hr);
131 IMediaSample_Release(pSample);
136 static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter)
138 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
141 TRACE("(%p)->()\n", This);
143 result = ICDecompressEnd(This->hvid);
144 if (result != ICERR_OK)
146 ERR("Cannot stop processing (%d)\n", result);
152 static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
154 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
155 HRESULT hr = S_FALSE;
157 TRACE("(%p)->(%p)\n", This, pmt);
159 AVIDec_Cleanup(pTransformFilter);
161 /* Check root (GUID w/o FOURCC) */
162 if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
163 (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) &&
164 (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)))
166 VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat;
168 This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, &format->bmiHeader, NULL, ICMODE_DECOMPRESS);
171 AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
172 const CLSID* outsubtype;
174 DWORD output_depth = format->bmiHeader.biBitCount;
177 switch(format->bmiHeader.biBitCount)
179 case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
180 case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
181 case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
182 case 8: outsubtype = &MEDIASUBTYPE_RGB8; break;
184 TRACE("Non standard input depth %d, forced ouptut depth to 32\n", format->bmiHeader.biBitCount);
185 outsubtype = &MEDIASUBTYPE_RGB32;
190 /* Copy bitmap header from media type to 1 for input and 1 for output */
191 bih_size = format->bmiHeader.biSize + format->bmiHeader.biClrUsed * 4;
192 This->pBihIn = (BITMAPINFOHEADER*)CoTaskMemAlloc(bih_size);
198 This->pBihOut = (BITMAPINFOHEADER*)CoTaskMemAlloc(bih_size);
204 memcpy(This->pBihIn, &format->bmiHeader, bih_size);
205 memcpy(This->pBihOut, &format->bmiHeader, bih_size);
207 /* Update output format as non compressed bitmap */
208 This->pBihOut->biCompression = 0;
209 This->pBihOut->biBitCount = output_depth;
210 This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
212 result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
213 if (result != ICERR_OK)
215 TRACE("Unable to found a suitable output format (%d)\n", result);
219 /* Update output media type */
220 CopyMediaType(outpmt, pmt);
221 outpmt->subtype = *outsubtype;
222 memcpy(&(((VIDEOINFOHEADER*)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
224 /* Update buffer size of media samples in output */
225 ((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage;
227 TRACE("Connection accepted\n");
230 TRACE("Unable to find a suitable VFW decompressor\n");
234 AVIDec_Cleanup(pTransformFilter);
236 TRACE("Connection refused\n");
240 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter)
242 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
244 TRACE("(%p)->()\n", This);
249 CoTaskMemFree(This->pBihIn);
251 CoTaskMemFree(This->pBihOut);
255 This->pBihOut = NULL;
260 static const TransformFuncsTable AVIDec_FuncsTable = {
262 AVIDec_ProcessSampleData,
268 HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)
273 TRACE("(%p, %p)\n", pUnkOuter, ppv);
278 return CLASS_E_NOAGGREGATION;
280 /* Note: This memory is managed by the transform filter once created */
281 This = CoTaskMemAlloc(sizeof(AVIDecImpl));
285 This->pBihOut = NULL;
287 hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable);