4 * Copyright 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 typedef struct ACMWrapperImpl
46 TransformFilterImpl tf;
49 LPWAVEFORMATEX pWfOut;
52 static HRESULT ACMWrapper_ProcessSampleData(TransformFilterImpl* pTransformFilter, IMediaSample *pSample)
54 ACMWrapperImpl* This = (ACMWrapperImpl*)pTransformFilter;
56 IMediaSample* pOutSample = NULL;
57 DWORD cbDstStream, cbSrcStream;
59 LPBYTE pbSrcStream = NULL;
61 BOOL unprepare_header = FALSE;
64 LONGLONG tStart = -1, tStop = -1, tMed;
66 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
69 ERR("Cannot get pointer to sample data (%x)\n", hr);
73 IMediaSample_GetTime(pSample, &tStart, &tStop);
74 cbSrcStream = IMediaSample_GetActualDataLength(pSample);
76 TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, (long)cbSrcStream);
78 hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
80 ERR("Unable to retrieve media type\n");
84 ash.pbSrc = pbSrcStream;
85 ash.cbSrcLength = cbSrcStream;
87 while(hr == S_OK && ash.cbSrcLength)
89 hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
91 ERR("Unable to get delivery buffer (%x)\n", hr);
95 hr = IMediaSample_SetActualDataLength(pOutSample, 0);
98 hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
100 ERR("Unable to get pointer to buffer (%x)\n", hr);
103 cbDstStream = IMediaSample_GetSize(pOutSample);
105 ash.cbStruct = sizeof(ash);
108 ash.pbDst = pbDstStream;
109 ash.cbDstLength = cbDstStream;
111 if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
112 ERR("Cannot prepare header %d\n", res);
115 unprepare_header = TRUE;
117 if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
118 res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
120 res = acmStreamConvert(This->has, &ash, 0);
125 if(res != MMSYSERR_MOREDATA)
126 ERR("Cannot convert data header %d\n", res);
130 TRACE("used in %u/%u, used out %u/%u\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
132 hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
135 if (!ash.cbSrcLengthUsed)
137 WARN("Sample was skipped\n");
142 TRACE("Sample start time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
143 if (ash.cbSrcLengthUsed == cbSrcStream)
145 IMediaSample_SetTime(pOutSample, &tStart, &tStop);
148 else if (tStop != tStart)
150 tMed = tStop - tStart;
151 tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
152 IMediaSample_SetTime(pOutSample, &tStart, &tMed);
157 ERR("No valid timestamp found\n");
158 IMediaSample_SetTime(pOutSample, NULL, NULL);
160 TRACE("Sample stop time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
162 if (IMediaSample_IsDiscontinuity(pSample) == S_FALSE)
163 hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pOutSample);
165 TRACE("Skipping first sample: Discontinuity\n");
167 if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
169 ERR("Error sending sample (%x)\n", hr);
174 if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
175 ERR("Cannot unprepare header %d\n", res);
176 unprepare_header = FALSE;
177 ash.pbSrc += ash.cbSrcLengthUsed;
178 ash.cbSrcLength -= ash.cbSrcLengthUsed;
181 IMediaSample_Release(pOutSample);
188 static HRESULT ACMWrapper_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
190 ACMWrapperImpl* This = (ACMWrapperImpl*)pTransformFilter;
193 TRACE("(%p)->(%p)\n", This, pmt);
195 /* Check root (GUID w/o FOURCC) */
196 if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio)) &&
197 (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) &&
198 (IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx)))
201 AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
202 This->pWfIn = (LPWAVEFORMATEX)pmt->pbFormat;
205 /* TRACE("ALIGN = %d\n", pACMWrapper->pWfIn->nBlockAlign); */
206 /* pACMWrapper->pWfIn->nBlockAlign = 1; */
208 /* Set output audio data to PCM */
209 CopyMediaType(outpmt, pmt);
210 outpmt->subtype.Data1 = WAVE_FORMAT_PCM;
211 This->pWfOut = (WAVEFORMATEX*)outpmt->pbFormat;
212 This->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
213 This->pWfOut->wBitsPerSample = 16;
214 This->pWfOut->nBlockAlign = 4;
215 This->pWfOut->cbSize = 0;
216 This->pWfOut->nAvgBytesPerSec = This->pWfOut->nChannels * This->pWfOut->nSamplesPerSec
217 * (This->pWfOut->wBitsPerSample/8);
219 if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
223 /* Update buffer size of media samples in output */
224 ((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = This->pWfOut->nAvgBytesPerSec / 2;
225 TRACE("Connection accepted\n");
229 FIXME("acmStreamOpen returned %d\n", res);
230 FreeMediaType(outpmt);
231 TRACE("Unable to find a suitable ACM decompressor\n");
234 TRACE("Connection refused\n");
235 return VFW_E_TYPE_NOT_ACCEPTED;
238 static HRESULT ACMWrapper_Cleanup(TransformFilterImpl* pTransformFilter)
240 ACMWrapperImpl* This = (ACMWrapperImpl*)pTransformFilter;
242 TRACE("(%p)->()\n", This);
245 acmStreamClose(This->has, 0);
252 static const TransformFuncsTable ACMWrapper_FuncsTable = {
254 ACMWrapper_ProcessSampleData,
257 ACMWrapper_ConnectInput,
261 HRESULT ACMWrapper_create(IUnknown * pUnkOuter, LPVOID * ppv)
264 ACMWrapperImpl* This;
266 TRACE("(%p, %p)\n", pUnkOuter, ppv);
271 return CLASS_E_NOAGGREGATION;
273 /* Note: This memory is managed by the transform filter once created */
274 This = CoTaskMemAlloc(sizeof(ACMWrapperImpl));
275 ZeroMemory(This, sizeof(ACMWrapperImpl));
277 hr = TransformFilter_Create(&(This->tf), &CLSID_ACMWrapper, &ACMWrapper_FuncsTable, NULL, NULL, NULL);