Sweden-Number/dlls/quartz/mpadec.c

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/*
* Implements MPEG Audio Decoder(CLSID_CMpegAudioCodec)
*
* FIXME - what library can we use? SMPEG??
*
* FIXME - stub
*
* Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "mmsystem.h"
#include "mmreg.h"
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#include "strmif.h"
#include "control.h"
#include "amvideo.h"
#include "vfwmsgs.h"
#include "uuids.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
#include "quartz_private.h"
#include "xform.h"
#include "mtype.h"
static const WCHAR CMPEGAudioDecoderImpl_FilterName[] =
{'M','P','E','G',' ','A','u','d','i','o',' ','D','e','c','o','d','e','r',0};
typedef struct CMPEGAudioDecoderImpl
{
AM_MEDIA_TYPE* pmt;
DWORD cmt;
WAVEFORMATEX wfxOut;
/* codec stuffs */
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} CMPEGAudioDecoderImpl;
/*****************************************************************************
*
* codec-dependent stuffs - no codec
*
*/
#define NO_CODEC_IMPL
static void Codec_OnConstruct(CMPEGAudioDecoderImpl* This)
{
}
static void Codec_OnCleanup(CMPEGAudioDecoderImpl* This)
{
}
static HRESULT Codec_BeginTransform(CTransformBaseImpl* pImpl,CMPEGAudioDecoderImpl* This)
{
FIXME("no codec\n");
return E_NOTIMPL;
}
static HRESULT Codec_ProcessReceive(CTransformBaseImpl* pImpl,CMPEGAudioDecoderImpl* This,IMediaSample* pSampIn)
{
FIXME("no codec\n");
return E_NOTIMPL;
}
static HRESULT Codec_EndTransform(CTransformBaseImpl* pImpl,CMPEGAudioDecoderImpl* This)
{
FIXME("no codec\n");
return E_NOTIMPL;
}
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/***************************************************************************
*
* CMPEGAudioDecoderImpl methods
*
*/
static void CMPEGAudioDecoderImpl_CleanupOutTypes(CMPEGAudioDecoderImpl* This)
{
DWORD i;
if ( This->pmt != NULL )
{
for ( i = 0; i < This->cmt; i++ )
{
QUARTZ_MediaType_Free(&This->pmt[i]);
}
QUARTZ_FreeMem(This->pmt);
This->pmt = NULL;
}
This->cmt = 0;
}
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static HRESULT CMPEGAudioDecoderImpl_Init( CTransformBaseImpl* pImpl )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
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TRACE("(%p)\n",This);
if ( This != NULL )
return NOERROR;
This = (CMPEGAudioDecoderImpl*)QUARTZ_AllocMem( sizeof(CMPEGAudioDecoderImpl) );
if ( This == NULL )
return E_OUTOFMEMORY;
ZeroMemory( This, sizeof(CMPEGAudioDecoderImpl) );
pImpl->m_pUserData = This;
/* construct */
This->pmt = NULL;
This->cmt = 0;
Codec_OnConstruct(This);
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return S_OK;
}
static HRESULT CMPEGAudioDecoderImpl_Cleanup( CTransformBaseImpl* pImpl )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
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TRACE("(%p)\n",This);
if ( This == NULL )
return S_OK;
/* destruct */
Codec_OnCleanup(This);
CMPEGAudioDecoderImpl_CleanupOutTypes(This);
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QUARTZ_FreeMem( This );
pImpl->m_pUserData = NULL;
return S_OK;
}
static HRESULT CMPEGAudioDecoderImpl_CheckMediaType( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
const WAVEFORMATEX* pwfxIn;
const WAVEFORMATEX* pwfxOut;
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TRACE("(%p)\n",This);
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if ( This == NULL )
return E_UNEXPECTED;
if ( !IsEqualGUID( &pmtIn->majortype, &MEDIATYPE_Audio ) )
return E_FAIL;
if ( !IsEqualGUID( &pmtIn->formattype, &FORMAT_WaveFormatEx ) )
return E_FAIL;
if ( pmtIn->pbFormat == NULL ||
pmtIn->cbFormat < sizeof(WAVEFORMATEX) )
return E_FAIL;
pwfxIn = (const WAVEFORMATEX*)pmtIn->pbFormat;
if ( pwfxIn->wFormatTag != WAVE_FORMAT_MPEG &&
pwfxIn->wFormatTag != WAVE_FORMAT_MPEGLAYER3 )
return E_FAIL;
if ( pwfxIn->nChannels != 1 && pwfxIn->nChannels != 2 )
return E_FAIL;
if ( pwfxIn->nBlockAlign < 1 )
return E_FAIL;
if ( pmtOut != NULL )
{
if ( !IsEqualGUID( &pmtOut->majortype, &MEDIATYPE_Audio ) )
return E_FAIL;
if ( !IsEqualGUID( &pmtOut->formattype, &FORMAT_WaveFormatEx ) )
return E_FAIL;
if ( pmtOut->pbFormat == NULL ||
pmtOut->cbFormat < sizeof(WAVEFORMATEX) )
return E_FAIL;
pwfxOut = (const WAVEFORMATEX*)pmtOut->pbFormat;
if ( pwfxOut->wFormatTag != WAVE_FORMAT_PCM )
return E_FAIL;
if ( pwfxOut->nChannels != pwfxIn->nChannels ||
pwfxOut->nSamplesPerSec != pwfxIn->nSamplesPerSec )
return E_FAIL;
if ( pwfxOut->wBitsPerSample != 16 )
return E_FAIL;
if ( pwfxOut->nBlockAlign != (pwfxOut->nChannels * pwfxOut->wBitsPerSample >> 3 ) )
return E_FAIL;
}
#ifdef NO_CODEC_IMPL
WARN("no codec implementation\n");
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return E_NOTIMPL;
#else
return S_OK;
#endif
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}
static HRESULT CMPEGAudioDecoderImpl_GetOutputTypes( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE** ppmtAcceptTypes, ULONG* pcAcceptTypes )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
HRESULT hr;
const WAVEFORMATEX* pwfxIn;
AM_MEDIA_TYPE* pmtOut;
WAVEFORMATEX* pwfxOut;
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TRACE("(%p)\n",This);
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if ( This == NULL )
return E_UNEXPECTED;
hr = CMPEGAudioDecoderImpl_CheckMediaType( pImpl, pmtIn, NULL );
if ( FAILED(hr) )
return hr;
pwfxIn = (const WAVEFORMATEX*)pmtIn->pbFormat;
CMPEGAudioDecoderImpl_CleanupOutTypes(This);
This->cmt = 1;
This->pmt = (AM_MEDIA_TYPE*)QUARTZ_AllocMem(
sizeof(AM_MEDIA_TYPE) * This->cmt );
if ( This->pmt == NULL )
return E_OUTOFMEMORY;
ZeroMemory( This->pmt, sizeof(AM_MEDIA_TYPE) * This->cmt );
pmtOut = &This->pmt[0];
memcpy( &pmtOut->majortype, &MEDIATYPE_Audio, sizeof(GUID) );
memcpy( &pmtOut->subtype, &MEDIASUBTYPE_PCM, sizeof(GUID) );
memcpy( &pmtOut->formattype, &FORMAT_WaveFormatEx, sizeof(GUID) );
pmtOut->bFixedSizeSamples = 1;
pmtOut->bTemporalCompression = 0;
pmtOut->lSampleSize = pwfxIn->nChannels * 16 >> 3;
pmtOut->pbFormat = (BYTE*)CoTaskMemAlloc( sizeof(WAVEFORMATEX) );
if ( pmtOut->pbFormat == NULL )
return E_OUTOFMEMORY;
pwfxOut = (WAVEFORMATEX*)pmtOut->pbFormat;
pmtOut->cbFormat = sizeof(WAVEFORMATEX);
pwfxOut->wFormatTag = WAVE_FORMAT_PCM;
pwfxOut->nChannels = pwfxIn->nChannels;
pwfxOut->nSamplesPerSec = pwfxIn->nSamplesPerSec;
pwfxOut->nAvgBytesPerSec = pwfxOut->nSamplesPerSec * pmtOut->lSampleSize;
pwfxOut->nBlockAlign = pmtOut->lSampleSize;
pwfxOut->wBitsPerSample = 16;
pwfxOut->cbSize = 0;
*ppmtAcceptTypes = This->pmt;
*pcAcceptTypes = This->cmt;
return S_OK;
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}
static HRESULT CMPEGAudioDecoderImpl_GetAllocProp( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, ALLOCATOR_PROPERTIES* pProp, BOOL* pbTransInPlace, BOOL* pbTryToReuseSample )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
const WAVEFORMATEX* pwfxIn;
const WAVEFORMATEX* pwfxOut;
HRESULT hr;
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TRACE("(%p)\n",This);
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if ( This == NULL )
return E_UNEXPECTED;
hr = CMPEGAudioDecoderImpl_CheckMediaType( pImpl, pmtIn, pmtOut );
if ( FAILED(hr) )
return hr;
pwfxIn = (const WAVEFORMATEX*)pmtIn->pbFormat;
pwfxOut = (const WAVEFORMATEX*)pmtOut->pbFormat;
pProp->cBuffers = 1;
pProp->cbBuffer = pwfxOut->nAvgBytesPerSec;
TRACE("cbBuffer %ld\n",pProp->cbBuffer);
*pbTransInPlace = FALSE;
*pbTryToReuseSample = FALSE;
return S_OK;
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}
static HRESULT CMPEGAudioDecoderImpl_BeginTransform( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, BOOL bReuseSample )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
HRESULT hr;
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TRACE("(%p,%p,%p,%d)\n",This,pmtIn,pmtOut,bReuseSample);
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if ( This == NULL )
return E_UNEXPECTED;
hr = CMPEGAudioDecoderImpl_CheckMediaType( pImpl, pmtIn, pmtOut );
if ( FAILED(hr) )
return hr;
memcpy( &This->wfxOut, (const WAVEFORMATEX*)pmtOut->pbFormat, sizeof(WAVEFORMATEX) );
return Codec_BeginTransform(pImpl,This);
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}
static HRESULT CMPEGAudioDecoderImpl_ProcessReceive( CTransformBaseImpl* pImpl, IMediaSample* pSampIn )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
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TRACE("(%p,%p)\n",This,pSampIn);
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if ( This == NULL )
return E_UNEXPECTED;
return Codec_ProcessReceive(pImpl,This,pSampIn);
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}
static HRESULT CMPEGAudioDecoderImpl_EndTransform( CTransformBaseImpl* pImpl )
{
CMPEGAudioDecoderImpl* This = (CMPEGAudioDecoderImpl*)pImpl->m_pUserData;
HRESULT hr;
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TRACE("(%p)\n",This);
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if ( This == NULL )
return E_UNEXPECTED;
hr = Codec_EndTransform(pImpl,This);
if ( FAILED(hr) )
return hr;
ZeroMemory( &This->wfxOut, sizeof(WAVEFORMATEX) );
return S_OK;
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}
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static const TransformBaseHandlers transhandlers =
{
CMPEGAudioDecoderImpl_Init,
CMPEGAudioDecoderImpl_Cleanup,
CMPEGAudioDecoderImpl_CheckMediaType,
CMPEGAudioDecoderImpl_GetOutputTypes,
CMPEGAudioDecoderImpl_GetAllocProp,
CMPEGAudioDecoderImpl_BeginTransform,
CMPEGAudioDecoderImpl_ProcessReceive,
NULL,
CMPEGAudioDecoderImpl_EndTransform,
};
HRESULT QUARTZ_CreateCMpegAudioCodec(IUnknown* punkOuter,void** ppobj)
{
return QUARTZ_CreateTransformBase(
punkOuter,ppobj,
&CLSID_CMpegAudioCodec,
CMPEGAudioDecoderImpl_FilterName,
NULL, NULL,
&transhandlers );
}