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623fb34acc
AddRef pUnk in CopyMediaType. Added CreateMediaType helper function and use it. Replaced some DeleteMediaType calls to FreeMediaType to be in line with recent changes. Fixed IEnumMediaTypesImpl_Next. Clear media type when initializing pins. Added some AddRef/Release traces.
271 lines
7.3 KiB
C
271 lines
7.3 KiB
C
/*
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* ACM Wrapper
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*
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* Copyright 2005 Christian Costa
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "quartz_private.h"
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#include "control_private.h"
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#include "pin.h"
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#include "uuids.h"
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#include "mmreg.h"
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#include "windef.h"
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#include "winbase.h"
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#include "dshow.h"
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#include "strmif.h"
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#include "vfwmsgs.h"
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#include "evcode.h"
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#include "msacm.h"
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#include <assert.h>
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "transform.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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/* FIXME: Improve buffers management */
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#define OUTPUT_BUFFER_SIZE 15000
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#define INPUT_BUFFER_SIZE 4096
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typedef struct ACMWrapperImpl
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{
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TransformFilterImpl tf;
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HACMSTREAM has;
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LPWAVEFORMATEX pWfIn;
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LPWAVEFORMATEX pWfOut;
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BYTE buffer[INPUT_BUFFER_SIZE];
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DWORD max_size;
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DWORD current_size;
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BOOL reinit_codec; /* FIXME: Should use sync points instead */
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} ACMWrapperImpl;
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static HRESULT ACMWrapper_ProcessSampleData(TransformFilterImpl* pTransformFilter, LPBYTE data, DWORD size)
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{
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ACMWrapperImpl* This = (ACMWrapperImpl*)pTransformFilter;
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AM_MEDIA_TYPE amt;
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HRESULT hr;
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IMediaSample* pSample = NULL;
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DWORD cbDstStream;
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LPBYTE pbDstStream;
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ACMSTREAMHEADER ash;
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DWORD offset = 0;
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BOOL stop = FALSE;
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BOOL unprepare_header = FALSE;
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MMRESULT res;
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TRACE("(%p)->(%p,%ld)\n", This, data, size);
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hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
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if (FAILED(hr)) {
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ERR("Unable to retrieve media type\n");
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goto error;
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}
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while(!stop)
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{
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DWORD rem_buf = This->max_size - This->current_size;
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DWORD rem_smp = size - offset;
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DWORD copy_size = min(rem_buf, rem_smp);
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memcpy(This->buffer + This->current_size, data + offset, copy_size);
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This->current_size += copy_size;
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offset += copy_size;
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if (offset == size)
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stop = TRUE;
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if (This->current_size < This->max_size)
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break;
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hr = OutputPin_GetDeliveryBuffer((OutputPin*)This->tf.ppPins[1], &pSample, NULL, NULL, 0);
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if (FAILED(hr)) {
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ERR("Unable to get delivery buffer (%lx)\n", hr);
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goto error;
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}
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hr = IMediaSample_SetActualDataLength(pSample, 0);
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assert(hr == S_OK);
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hr = IMediaSample_GetPointer(pSample, &pbDstStream);
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if (FAILED(hr)) {
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ERR("Unable to get pointer to buffer (%lx)\n", hr);
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goto error;
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}
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cbDstStream = IMediaSample_GetSize(pSample);
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ash.cbStruct = sizeof(ash);
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ash.fdwStatus = 0;
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ash.dwUser = 0;
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ash.pbSrc = This->buffer;
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ash.cbSrcLength = This->current_size;
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ash.pbDst = pbDstStream;
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ash.cbDstLength = cbDstStream;
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if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
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ERR("Cannot prepare header %d\n", res);
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goto error;
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}
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unprepare_header = TRUE;
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if ((res = acmStreamConvert(This->has, &ash, This->reinit_codec ? ACM_STREAMCONVERTF_START : 0))) {
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ERR("Cannot convert data header %d\n", res);
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goto error;
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}
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This->reinit_codec = FALSE;
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TRACE("used in %lu, used out %lu\n", ash.cbSrcLengthUsed, ash.cbDstLengthUsed);
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hr = IMediaSample_SetActualDataLength(pSample, ash.cbDstLengthUsed);
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assert(hr == S_OK);
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if (ash.cbSrcLengthUsed < ash.cbSrcLength) {
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This->current_size = ash.cbSrcLength - ash.cbSrcLengthUsed;
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memmove(This->buffer, This->buffer + ash.cbSrcLengthUsed, This->current_size);
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}
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else
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This->current_size = 0;
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hr = OutputPin_SendSample((OutputPin*)This->tf.ppPins[1], pSample);
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if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
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ERR("Error sending sample (%lx)\n", hr);
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goto error;
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}
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error:
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if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
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ERR("Cannot unprepare header %d\n", res);
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if (pSample)
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IMediaSample_Release(pSample);
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}
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return hr;
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}
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static HRESULT ACMWrapper_ConnectInput(TransformFilterImpl* pTransformFilter, const AM_MEDIA_TYPE * pmt)
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{
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ACMWrapperImpl* This = (ACMWrapperImpl*)pTransformFilter;
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MMRESULT res;
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TRACE("(%p)->(%p)\n", This, pmt);
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if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio)) &&
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(!memcmp(((char*)&pmt->subtype)+4, ((char*)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) && /* Check root (GUID w/o FOURCC) */
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(IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx)))
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{
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HACMSTREAM drv;
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AM_MEDIA_TYPE* outpmt = &((OutputPin*)This->tf.ppPins[1])->pin.mtCurrent;
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This->pWfIn = (LPWAVEFORMATEX)pmt->pbFormat;
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/* HACK */
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/* TRACE("ALIGN = %d\n", pACMWrapper->pWfIn->nBlockAlign); */
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/* pACMWrapper->pWfIn->nBlockAlign = 1; */
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/* Set output audio data to PCM */
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CopyMediaType(outpmt, pmt);
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outpmt->subtype.Data1 = WAVE_FORMAT_PCM;
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This->pWfOut = (WAVEFORMATEX*)outpmt->pbFormat;
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This->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
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This->pWfOut->wBitsPerSample = 16;
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This->pWfOut->nBlockAlign = 4;
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This->pWfOut->cbSize = 0;
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This->pWfOut->nAvgBytesPerSec = This->pWfOut->nChannels * This->pWfOut->nSamplesPerSec
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* (This->pWfOut->wBitsPerSample/8);
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if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
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{
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This->has = drv;
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if ((res = acmStreamSize(drv, OUTPUT_BUFFER_SIZE, &This->max_size, ACM_STREAMSIZEF_DESTINATION))) {
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ERR("Cannot retrieve input buffer size error %d!\n", res);
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This->max_size = INPUT_BUFFER_SIZE;
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}
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TRACE("input buffer size %ld\n", This->max_size);
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/* Update buffer size of media samples in output */
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((OutputPin*)This->tf.ppPins[1])->allocProps.cbBuffer = OUTPUT_BUFFER_SIZE;
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TRACE("Connection accepted\n");
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return S_OK;
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}
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else
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FIXME("acmStreamOpen returned %d\n", res);
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FreeMediaType(outpmt);
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TRACE("Unable to find a suitable ACM decompressor\n");
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}
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TRACE("Connection refused\n");
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return S_FALSE;
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}
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static HRESULT ACMWrapper_Cleanup(TransformFilterImpl* pTransformFilter)
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{
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ACMWrapperImpl* This = (ACMWrapperImpl*)pTransformFilter;
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TRACE("(%p)->()\n", This);
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if (This->has)
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acmStreamClose(This->has, 0);
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This->has = 0;
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return S_OK;
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}
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TransformFuncsTable ACMWrapper_FuncsTable = {
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NULL,
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ACMWrapper_ProcessSampleData,
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NULL,
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ACMWrapper_ConnectInput,
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ACMWrapper_Cleanup
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};
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HRESULT ACMWrapper_create(IUnknown * pUnkOuter, LPVOID * ppv)
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{
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HRESULT hr;
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ACMWrapperImpl* This;
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TRACE("(%p, %p)\n", pUnkOuter, ppv);
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*ppv = NULL;
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if (pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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/* Note: This memory is managed by the transform filter once created */
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This = CoTaskMemAlloc(sizeof(ACMWrapperImpl));
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This->has = 0;
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This->reinit_codec = TRUE;
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hr = TransformFilter_Create(&(This->tf), &CLSID_ACMWrapper, &ACMWrapper_FuncsTable);
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if (FAILED(hr))
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return hr;
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*ppv = (LPVOID)This;
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return hr;
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}
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