include: Mark imported functions with hidden visibility.
[wine/multimedia.git] / dlls / quartz / avidec.c
blob9e033c12f5676000b3596b144885e1d0d1b0e8d0
1 /*
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
21 #include "config.h"
23 #include "quartz_private.h"
24 #include "pin.h"
26 #include "uuids.h"
27 #include "vfwmsgs.h"
28 #include "amvideo.h"
29 #include "windef.h"
30 #include "winbase.h"
31 #include "dshow.h"
32 #include "strmif.h"
33 #include "vfwmsgs.h"
34 #include "vfw.h"
36 #include <assert.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;
50 HIC hvid;
51 BITMAPINFOHEADER* pBihIn;
52 BITMAPINFOHEADER* pBihOut;
53 } AVIDecImpl;
55 static HRESULT AVIDec_ProcessBegin(TransformFilterImpl* pTransformFilter)
57 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
58 DWORD result;
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);
66 return E_FAIL;
68 return S_OK;
71 static HRESULT AVIDec_ProcessSampleData(TransformFilterImpl* pTransformFilter, IMediaSample *pSample)
73 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
74 VIDEOINFOHEADER* format;
75 AM_MEDIA_TYPE amt;
76 HRESULT hr;
77 DWORD res;
78 IMediaSample* pOutSample = NULL;
79 DWORD cbDstStream;
80 LPBYTE pbDstStream;
81 DWORD cbSrcStream;
82 LPBYTE pbSrcStream;
84 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
85 if (FAILED(hr))
87 ERR("Cannot get pointer to sample data (%x)\n", hr);
88 return 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);
96 if (FAILED(hr)) {
97 ERR("Unable to retrieve media type\n");
98 goto error;
100 format = (VIDEOINFOHEADER*)amt.pbFormat;
102 /* Update input size to match sample size */
103 This->pBihIn->biSizeImage = cbSrcStream;
105 hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
106 if (FAILED(hr)) {
107 ERR("Unable to get delivery buffer (%x)\n", hr);
108 goto error;
111 hr = IMediaSample_SetActualDataLength(pOutSample, 0);
112 assert(hr == S_OK);
114 hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
115 if (FAILED(hr)) {
116 ERR("Unable to get pointer to buffer (%x)\n", hr);
117 goto error;
119 cbDstStream = IMediaSample_GetSize(pOutSample);
120 if (cbDstStream < This->pBihOut->biSizeImage) {
121 ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
122 hr = E_FAIL;
123 goto error;
126 res = ICDecompress(This->hvid, 0, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
127 if (res != ICERR_OK)
128 ERR("Error occurred during the decompression (%x)\n", res);
130 hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pOutSample);
131 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
132 ERR("Error sending sample (%x)\n", hr);
133 goto error;
136 error:
137 if (pOutSample)
138 IMediaSample_Release(pOutSample);
140 return hr;
143 static HRESULT AVIDec_ProcessEnd(TransformFilterImpl* pTransformFilter)
145 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
146 DWORD result;
148 TRACE("(%p)->()\n", This);
150 result = ICDecompressEnd(This->hvid);
151 if (result != ICERR_OK)
153 ERR("Cannot stop processing (%d)\n", result);
154 return E_FAIL;
156 return S_OK;
159 static HRESULT AVIDec_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
161 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
162 HRESULT hr = VFW_E_TYPE_NOT_ACCEPTED;
164 TRACE("(%p)->(%p)\n", This, pmt);
166 AVIDec_Cleanup(pTransformFilter);
168 /* Check root (GUID w/o FOURCC) */
169 if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
170 (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) &&
171 (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)))
173 VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat;
175 This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, &format->bmiHeader, NULL, ICMODE_DECOMPRESS);
176 if (This->hvid)
178 AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
179 const CLSID* outsubtype;
180 DWORD bih_size;
181 DWORD output_depth = format->bmiHeader.biBitCount;
182 DWORD result;
184 switch(format->bmiHeader.biBitCount)
186 case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
187 case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
188 case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
189 case 8: outsubtype = &MEDIASUBTYPE_RGB8; break;
190 default:
191 TRACE("Non standard input depth %d, forced ouptut depth to 32\n", format->bmiHeader.biBitCount);
192 outsubtype = &MEDIASUBTYPE_RGB32;
193 output_depth = 32;
194 break;
197 /* Copy bitmap header from media type to 1 for input and 1 for output */
198 bih_size = format->bmiHeader.biSize + format->bmiHeader.biClrUsed * 4;
199 This->pBihIn = CoTaskMemAlloc(bih_size);
200 if (!This->pBihIn)
202 hr = E_OUTOFMEMORY;
203 goto failed;
205 This->pBihOut = CoTaskMemAlloc(bih_size);
206 if (!This->pBihOut)
208 hr = E_OUTOFMEMORY;
209 goto failed;
211 memcpy(This->pBihIn, &format->bmiHeader, bih_size);
212 memcpy(This->pBihOut, &format->bmiHeader, bih_size);
214 /* Update output format as non compressed bitmap */
215 This->pBihOut->biCompression = 0;
216 This->pBihOut->biBitCount = output_depth;
217 This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
219 result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
220 if (result != ICERR_OK)
222 TRACE("Unable to found a suitable output format (%d)\n", result);
223 goto failed;
226 /* Update output media type */
227 CopyMediaType(outpmt, pmt);
228 outpmt->subtype = *outsubtype;
229 memcpy(&(((VIDEOINFOHEADER*)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
231 /* Update buffer size of media samples in output */
232 ((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pBihOut->biSizeImage;
234 TRACE("Connection accepted\n");
235 return S_OK;
237 TRACE("Unable to find a suitable VFW decompressor\n");
240 failed:
241 AVIDec_Cleanup(pTransformFilter);
243 TRACE("Connection refused\n");
244 return hr;
247 static HRESULT AVIDec_Cleanup(TransformFilterImpl* pTransformFilter)
249 AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
251 TRACE("(%p)->()\n", This);
253 if (This->hvid)
254 ICClose(This->hvid);
255 if (This->pBihIn)
256 CoTaskMemFree(This->pBihIn);
257 if (This->pBihOut)
258 CoTaskMemFree(This->pBihOut);
260 This->hvid = NULL;
261 This->pBihIn = NULL;
262 This->pBihOut = NULL;
264 return S_OK;
267 static const TransformFuncsTable AVIDec_FuncsTable = {
268 AVIDec_ProcessBegin,
269 AVIDec_ProcessSampleData,
270 AVIDec_ProcessEnd,
271 NULL,
272 AVIDec_ConnectInput,
273 AVIDec_Cleanup
276 HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)
278 HRESULT hr;
279 AVIDecImpl * This;
281 TRACE("(%p, %p)\n", pUnkOuter, ppv);
283 *ppv = NULL;
285 if (pUnkOuter)
286 return CLASS_E_NOAGGREGATION;
288 /* Note: This memory is managed by the transform filter once created */
289 This = CoTaskMemAlloc(sizeof(AVIDecImpl));
291 This->hvid = NULL;
292 This->pBihIn = NULL;
293 This->pBihOut = NULL;
295 hr = TransformFilter_Create(&(This->tf), &CLSID_AVIDec, &AVIDec_FuncsTable);
297 if (FAILED(hr))
298 return hr;
300 *ppv = (LPVOID)This;
302 return hr;