1 /*
2 * ACM Wrapper
3 *
4 * Copyright 2005 Christian Costa
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22
23 #include "quartz_private.h"
24 #include "pin.h"
25
26 #include "uuids.h"
27 #include "mmreg.h"
28 #include "windef.h"
29 #include "winbase.h"
30 #include "dshow.h"
31 #include "strmif.h"
32 #include "vfwmsgs.h"
33 #include "msacm.h"
34
35 #include <assert.h>
36
37 #include "wine/unicode.h"
38 #include "wine/debug.h"
39
40 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
41
42 typedef struct ACMWrapperImpl
43 {
44 TransformFilter tf;
45
46 HACMSTREAM has;
47 LPWAVEFORMATEX pWfIn;
48 LPWAVEFORMATEX pWfOut;
49
50 LONGLONG lasttime_real;
51 LONGLONG lasttime_sent;
52 } ACMWrapperImpl;
53
54 static const IBaseFilterVtbl ACMWrapper_Vtbl;
55
impl_from_TransformFilter(TransformFilter * iface)56 static inline ACMWrapperImpl *impl_from_TransformFilter( TransformFilter *iface )
57 {
58 return CONTAINING_RECORD(iface, ACMWrapperImpl, tf);
59 }
60
ACMWrapper_Receive(TransformFilter * tf,IMediaSample * pSample)61 static HRESULT WINAPI ACMWrapper_Receive(TransformFilter *tf, IMediaSample *pSample)
62 {
63 ACMWrapperImpl* This = impl_from_TransformFilter(tf);
64 AM_MEDIA_TYPE amt;
65 IMediaSample* pOutSample = NULL;
66 DWORD cbDstStream, cbSrcStream;
67 LPBYTE pbDstStream;
68 LPBYTE pbSrcStream = NULL;
69 ACMSTREAMHEADER ash;
70 BOOL unprepare_header = FALSE, preroll;
71 MMRESULT res;
72 HRESULT hr;
73 LONGLONG tStart = -1, tStop = -1, tMed;
74 LONGLONG mtStart = -1, mtStop = -1, mtMed;
75
76 EnterCriticalSection(&This->tf.csReceive);
77 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
78 if (FAILED(hr))
79 {
80 ERR("Cannot get pointer to sample data (%x)\n", hr);
81 LeaveCriticalSection(&This->tf.csReceive);
82 return hr;
83 }
84
85 preroll = (IMediaSample_IsPreroll(pSample) == S_OK);
86
87 IMediaSample_GetTime(pSample, &tStart, &tStop);
88 if (IMediaSample_GetMediaTime(pSample, &mtStart, &mtStop) != S_OK)
89 mtStart = mtStop = -1;
90 cbSrcStream = IMediaSample_GetActualDataLength(pSample);
91
92 /* Prevent discontinuities when codecs 'absorb' data but not give anything back in return */
93 if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
94 {
95 This->lasttime_real = tStart;
96 This->lasttime_sent = tStart;
97 }
98 else if (This->lasttime_real == tStart)
99 tStart = This->lasttime_sent;
100 else
101 WARN("Discontinuity\n");
102
103 tMed = tStart;
104 mtMed = mtStart;
105
106 TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
107
108 hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
109 if (FAILED(hr))
110 {
111 ERR("Unable to retrieve media type\n");
112 LeaveCriticalSection(&This->tf.csReceive);
113 return hr;
114 }
115
116 ash.pbSrc = pbSrcStream;
117 ash.cbSrcLength = cbSrcStream;
118
119 while(hr == S_OK && ash.cbSrcLength)
120 {
121 hr = BaseOutputPinImpl_GetDeliveryBuffer((BaseOutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
122 if (FAILED(hr))
123 {
124 ERR("Unable to get delivery buffer (%x)\n", hr);
125 LeaveCriticalSection(&This->tf.csReceive);
126 return hr;
127 }
128 IMediaSample_SetPreroll(pOutSample, preroll);
129
130 hr = IMediaSample_SetActualDataLength(pOutSample, 0);
131 assert(hr == S_OK);
132
133 hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
134 if (FAILED(hr)) {
135 ERR("Unable to get pointer to buffer (%x)\n", hr);
136 goto error;
137 }
138 cbDstStream = IMediaSample_GetSize(pOutSample);
139
140 ash.cbStruct = sizeof(ash);
141 ash.fdwStatus = 0;
142 ash.dwUser = 0;
143 ash.pbDst = pbDstStream;
144 ash.cbDstLength = cbDstStream;
145
146 if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
147 ERR("Cannot prepare header %d\n", res);
148 goto error;
149 }
150 unprepare_header = TRUE;
151
152 if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
153 {
154 res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
155 IMediaSample_SetDiscontinuity(pOutSample, TRUE);
156 /* One sample could be converted to multiple packets */
157 IMediaSample_SetDiscontinuity(pSample, FALSE);
158 }
159 else
160 {
161 res = acmStreamConvert(This->has, &ash, 0);
162 IMediaSample_SetDiscontinuity(pOutSample, FALSE);
163 }
164
165 if (res)
166 {
167 if(res != MMSYSERR_MOREDATA)
168 ERR("Cannot convert data header %d\n", res);
169 goto error;
170 }
171
172 TRACE("used in %u/%u, used out %u/%u\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
173
174 hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
175 assert(hr == S_OK);
176
177 /* Bug in acm codecs? It apparently uses the input, but doesn't necessarily output immediately */
178 if (!ash.cbSrcLengthUsed)
179 {
180 WARN("Sample was skipped? Outputted: %u\n", ash.cbDstLengthUsed);
181 ash.cbSrcLength = 0;
182 goto error;
183 }
184
185 TRACE("Sample start time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
186 if (ash.cbSrcLengthUsed == cbSrcStream)
187 {
188 IMediaSample_SetTime(pOutSample, &tStart, &tStop);
189 tStart = tMed = tStop;
190 }
191 else if (tStop != tStart)
192 {
193 tMed = tStop - tStart;
194 tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
195 IMediaSample_SetTime(pOutSample, &tStart, &tMed);
196 tStart = tMed;
197 }
198 else
199 {
200 ERR("No valid timestamp found\n");
201 IMediaSample_SetTime(pOutSample, NULL, NULL);
202 }
203
204 if (mtStart < 0) {
205 IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
206 } else if (ash.cbSrcLengthUsed == cbSrcStream) {
207 IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtStop);
208 mtStart = mtMed = mtStop;
209 } else if (mtStop >= mtStart) {
210 mtMed = mtStop - mtStart;
211 mtMed = mtStart + mtMed * ash.cbSrcLengthUsed / cbSrcStream;
212 IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtMed);
213 mtStart = mtMed;
214 } else {
215 IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
216 }
217
218 TRACE("Sample stop time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
219
220 LeaveCriticalSection(&This->tf.csReceive);
221 hr = BaseOutputPinImpl_Deliver((BaseOutputPin*)This->tf.ppPins[1], pOutSample);
222 EnterCriticalSection(&This->tf.csReceive);
223
224 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
225 if (FAILED(hr))
226 ERR("Error sending sample (%x)\n", hr);
227 goto error;
228 }
229
230 error:
231 if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
232 ERR("Cannot unprepare header %d\n", res);
233 unprepare_header = FALSE;
234 ash.pbSrc += ash.cbSrcLengthUsed;
235 ash.cbSrcLength -= ash.cbSrcLengthUsed;
236
237 IMediaSample_Release(pOutSample);
238 pOutSample = NULL;
239
240 }
241
242 This->lasttime_real = tStop;
243 This->lasttime_sent = tMed;
244
245 LeaveCriticalSection(&This->tf.csReceive);
246 return hr;
247 }
248
ACMWrapper_SetMediaType(TransformFilter * tf,PIN_DIRECTION dir,const AM_MEDIA_TYPE * pmt)249 static HRESULT WINAPI ACMWrapper_SetMediaType(TransformFilter *tf, PIN_DIRECTION dir, const AM_MEDIA_TYPE * pmt)
250 {
251 ACMWrapperImpl* This = impl_from_TransformFilter(tf);
252 MMRESULT res;
253
254 TRACE("(%p)->(%i %p)\n", This, dir, pmt);
255
256 if (dir != PINDIR_INPUT)
257 return S_OK;
258
259 /* Check root (GUID w/o FOURCC) */
260 if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio)) &&
261 (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) &&
262 (IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx)))
263 {
264 HACMSTREAM drv;
265 WAVEFORMATEX *wfx = (WAVEFORMATEX*)pmt->pbFormat;
266 AM_MEDIA_TYPE* outpmt = &This->tf.pmt;
267
268 if (!wfx || wfx->wFormatTag == WAVE_FORMAT_PCM || wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
269 return VFW_E_TYPE_NOT_ACCEPTED;
270 FreeMediaType(outpmt);
271
272 This->pWfIn = (LPWAVEFORMATEX)pmt->pbFormat;
273
274 /* HACK */
275 /* TRACE("ALIGN = %d\n", pACMWrapper->pWfIn->nBlockAlign); */
276 /* pACMWrapper->pWfIn->nBlockAlign = 1; */
277
278 /* Set output audio data to PCM */
279 CopyMediaType(outpmt, pmt);
280 outpmt->subtype.Data1 = WAVE_FORMAT_PCM;
281 This->pWfOut = (WAVEFORMATEX*)outpmt->pbFormat;
282 This->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
283 This->pWfOut->wBitsPerSample = 16;
284 This->pWfOut->nBlockAlign = This->pWfOut->wBitsPerSample * This->pWfOut->nChannels / 8;
285 This->pWfOut->cbSize = 0;
286 This->pWfOut->nAvgBytesPerSec = This->pWfOut->nChannels * This->pWfOut->nSamplesPerSec
287 * (This->pWfOut->wBitsPerSample/8);
288
289 if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
290 {
291 This->has = drv;
292
293 TRACE("Connection accepted\n");
294 return S_OK;
295 }
296 else
297 FIXME("acmStreamOpen returned %d\n", res);
298 FreeMediaType(outpmt);
299 TRACE("Unable to find a suitable ACM decompressor\n");
300 }
301
302 TRACE("Connection refused\n");
303 return VFW_E_TYPE_NOT_ACCEPTED;
304 }
305
ACMWrapper_CompleteConnect(TransformFilter * tf,PIN_DIRECTION dir,IPin * pin)306 static HRESULT WINAPI ACMWrapper_CompleteConnect(TransformFilter *tf, PIN_DIRECTION dir, IPin *pin)
307 {
308 ACMWrapperImpl* This = impl_from_TransformFilter(tf);
309 MMRESULT res;
310 HACMSTREAM drv;
311
312 TRACE("(%p)\n", This);
313
314 if (dir != PINDIR_INPUT)
315 return S_OK;
316
317 if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
318 {
319 This->has = drv;
320
321 TRACE("Connection accepted\n");
322 return S_OK;
323 }
324
325 FIXME("acmStreamOpen returned %d\n", res);
326 TRACE("Unable to find a suitable ACM decompressor\n");
327 return VFW_E_TYPE_NOT_ACCEPTED;
328 }
329
ACMWrapper_BreakConnect(TransformFilter * tf,PIN_DIRECTION dir)330 static HRESULT WINAPI ACMWrapper_BreakConnect(TransformFilter *tf, PIN_DIRECTION dir)
331 {
332 ACMWrapperImpl *This = impl_from_TransformFilter(tf);
333
334 TRACE("(%p)->(%i)\n", This,dir);
335
336 if (dir == PINDIR_INPUT)
337 {
338 if (This->has)
339 acmStreamClose(This->has, 0);
340
341 This->has = 0;
342 This->lasttime_real = This->lasttime_sent = -1;
343 }
344
345 return S_OK;
346 }
347
ACMWrapper_DecideBufferSize(TransformFilter * tf,IMemAllocator * pAlloc,ALLOCATOR_PROPERTIES * ppropInputRequest)348 static HRESULT WINAPI ACMWrapper_DecideBufferSize(TransformFilter *tf, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
349 {
350 ACMWrapperImpl *pACM = impl_from_TransformFilter(tf);
351 ALLOCATOR_PROPERTIES actual;
352
353 if (!ppropInputRequest->cbAlign)
354 ppropInputRequest->cbAlign = 1;
355
356 if (ppropInputRequest->cbBuffer < pACM->pWfOut->nAvgBytesPerSec / 2)
357 ppropInputRequest->cbBuffer = pACM->pWfOut->nAvgBytesPerSec / 2;
358
359 if (!ppropInputRequest->cBuffers)
360 ppropInputRequest->cBuffers = 1;
361
362 return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
363 }
364
365 static const TransformFilterFuncTable ACMWrapper_FuncsTable = {
366 ACMWrapper_DecideBufferSize,
367 NULL,
368 ACMWrapper_Receive,
369 NULL,
370 NULL,
371 ACMWrapper_SetMediaType,
372 ACMWrapper_CompleteConnect,
373 ACMWrapper_BreakConnect,
374 NULL,
375 NULL,
376 NULL,
377 NULL
378 };
379
ACMWrapper_create(IUnknown * pUnkOuter,LPVOID * ppv)380 HRESULT ACMWrapper_create(IUnknown * pUnkOuter, LPVOID * ppv)
381 {
382 HRESULT hr;
383 ACMWrapperImpl* This;
384
385 TRACE("(%p, %p)\n", pUnkOuter, ppv);
386
387 *ppv = NULL;
388
389 if (pUnkOuter)
390 return CLASS_E_NOAGGREGATION;
391
392 hr = TransformFilter_Construct(&ACMWrapper_Vtbl, sizeof(ACMWrapperImpl), &CLSID_ACMWrapper, &ACMWrapper_FuncsTable, (IBaseFilter**)&This);
393
394 if (FAILED(hr))
395 return hr;
396
397 *ppv = &This->tf.filter.IBaseFilter_iface;
398 This->lasttime_real = This->lasttime_sent = -1;
399
400 return hr;
401 }
402
403 static const IBaseFilterVtbl ACMWrapper_Vtbl =
404 {
405 TransformFilterImpl_QueryInterface,
406 BaseFilterImpl_AddRef,
407 TransformFilterImpl_Release,
408 BaseFilterImpl_GetClassID,
409 TransformFilterImpl_Stop,
410 TransformFilterImpl_Pause,
411 TransformFilterImpl_Run,
412 BaseFilterImpl_GetState,
413 BaseFilterImpl_SetSyncSource,
414 BaseFilterImpl_GetSyncSource,
415 BaseFilterImpl_EnumPins,
416 TransformFilterImpl_FindPin,
417 BaseFilterImpl_QueryFilterInfo,
418 BaseFilterImpl_JoinFilterGraph,
419 BaseFilterImpl_QueryVendorInfo
420 };
421