554 lines
11 KiB
C
554 lines
11 KiB
C
/*
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* Implements IEnumMediaTypes and helper functions. (internal)
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*
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* Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
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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 "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "mmsystem.h"
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#include "strmif.h"
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#include "vfwmsgs.h"
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#include "uuids.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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#include "quartz_private.h"
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#include "mtype.h"
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#include "iunk.h"
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/****************************************************************************/
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HRESULT QUARTZ_MediaType_Copy(
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AM_MEDIA_TYPE* pmtDst,
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const AM_MEDIA_TYPE* pmtSrc )
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{
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memcpy( &pmtDst->majortype, &pmtSrc->majortype, sizeof(GUID) );
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memcpy( &pmtDst->subtype, &pmtSrc->subtype, sizeof(GUID) );
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pmtDst->bFixedSizeSamples = pmtSrc->bFixedSizeSamples;
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pmtDst->bTemporalCompression = pmtSrc->bTemporalCompression;
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pmtDst->lSampleSize = pmtSrc->lSampleSize;
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memcpy( &pmtDst->formattype, &pmtSrc->formattype, sizeof(GUID) );
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pmtDst->pUnk = NULL;
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pmtDst->cbFormat = pmtSrc->cbFormat;
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pmtDst->pbFormat = NULL;
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if ( pmtSrc->pbFormat != NULL && pmtSrc->cbFormat != 0 )
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{
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pmtDst->pbFormat = (BYTE*)CoTaskMemAlloc( pmtSrc->cbFormat );
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if ( pmtDst->pbFormat == NULL )
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{
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CoTaskMemFree( pmtDst );
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return E_OUTOFMEMORY;
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}
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memcpy( pmtDst->pbFormat, pmtSrc->pbFormat, pmtSrc->cbFormat );
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}
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if ( pmtSrc->pUnk != NULL )
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{
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pmtDst->pUnk = pmtSrc->pUnk;
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IUnknown_AddRef( pmtSrc->pUnk );
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}
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return S_OK;
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}
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void QUARTZ_MediaType_Free(
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AM_MEDIA_TYPE* pmt )
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{
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if ( pmt->pUnk != NULL )
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{
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IUnknown_Release( pmt->pUnk );
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pmt->pUnk = NULL;
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}
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if ( pmt->pbFormat != NULL )
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{
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CoTaskMemFree( pmt->pbFormat );
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pmt->cbFormat = 0;
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pmt->pbFormat = NULL;
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}
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}
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AM_MEDIA_TYPE* QUARTZ_MediaType_Duplicate(
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const AM_MEDIA_TYPE* pmtSrc )
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{
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AM_MEDIA_TYPE* pmtDup;
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pmtDup = (AM_MEDIA_TYPE*)CoTaskMemAlloc( sizeof(AM_MEDIA_TYPE) );
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if ( pmtDup == NULL )
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return NULL;
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if ( QUARTZ_MediaType_Copy( pmtDup, pmtSrc ) != S_OK )
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{
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CoTaskMemFree( pmtDup );
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return NULL;
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}
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return pmtDup;
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}
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void QUARTZ_MediaType_Destroy(
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AM_MEDIA_TYPE* pmt )
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{
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QUARTZ_MediaType_Free( pmt );
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CoTaskMemFree( pmt );
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}
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void QUARTZ_MediaSubType_FromFourCC(
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GUID* psubtype, DWORD dwFourCC )
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{
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TRACE( "FourCC %c%c%c%c\n",
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(int)(dwFourCC>> 0)&0xff,
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(int)(dwFourCC>> 8)&0xff,
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(int)(dwFourCC>>16)&0xff,
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(int)(dwFourCC>>24)&0xff );
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memcpy( psubtype, &MEDIASUBTYPE_PCM, sizeof(GUID) );
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psubtype->Data1 = dwFourCC;
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}
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BOOL QUARTZ_MediaSubType_IsFourCC(
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const GUID* psubtype )
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{
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GUID guidTemp;
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QUARTZ_MediaSubType_FromFourCC(
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&guidTemp, psubtype->Data1 );
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return IsEqualGUID( psubtype, &guidTemp );
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}
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HRESULT QUARTZ_MediaSubType_FromBitmap(
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GUID* psubtype, const BITMAPINFOHEADER* pbi )
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{
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HRESULT hr;
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DWORD* pdwBitf;
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if ( (pbi->biCompression & 0xffff0000) != 0 )
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return S_FALSE;
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if ( pbi->biWidth <= 0 || pbi->biHeight == 0 )
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return E_FAIL;
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hr = E_FAIL;
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switch ( pbi->biCompression )
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{
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case 0:
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if ( pbi->biPlanes != 1 )
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break;
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switch ( pbi->biBitCount )
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{
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case 1:
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memcpy( psubtype, &MEDIASUBTYPE_RGB1, sizeof(GUID) );
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hr = S_OK;
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break;
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case 4:
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memcpy( psubtype, &MEDIASUBTYPE_RGB4, sizeof(GUID) );
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hr = S_OK;
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break;
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case 8:
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memcpy( psubtype, &MEDIASUBTYPE_RGB8, sizeof(GUID) );
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hr = S_OK;
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break;
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case 16:
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memcpy( psubtype, &MEDIASUBTYPE_RGB555, sizeof(GUID) );
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hr = S_OK;
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break;
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case 24:
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memcpy( psubtype, &MEDIASUBTYPE_RGB24, sizeof(GUID) );
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hr = S_OK;
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break;
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case 32:
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memcpy( psubtype, &MEDIASUBTYPE_RGB32, sizeof(GUID) );
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hr = S_OK;
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break;
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}
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break;
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case 1:
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if ( pbi->biPlanes == 1 && pbi->biHeight > 0 &&
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pbi->biBitCount == 8 )
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{
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QUARTZ_MediaSubType_FromFourCC( psubtype, 1 );
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hr = S_OK;
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}
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break;
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case 2:
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if ( pbi->biPlanes == 1 && pbi->biHeight > 0 &&
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pbi->biBitCount == 4 )
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{
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QUARTZ_MediaSubType_FromFourCC( psubtype, 2 );
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hr = S_OK;
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}
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break;
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case 3:
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if ( pbi->biPlanes != 1 )
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break;
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pdwBitf = (DWORD*)( (BYTE*)pbi + sizeof(BITMAPINFOHEADER) );
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switch ( pbi->biBitCount )
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{
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case 16:
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if ( pdwBitf[0] == 0x7c00 &&
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pdwBitf[1] == 0x03e0 &&
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pdwBitf[2] == 0x001f )
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{
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memcpy( psubtype, &MEDIASUBTYPE_RGB555, sizeof(GUID) );
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hr = S_OK;
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}
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if ( pdwBitf[0] == 0xf800 &&
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pdwBitf[1] == 0x07e0 &&
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pdwBitf[2] == 0x001f )
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{
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memcpy( psubtype, &MEDIASUBTYPE_RGB565, sizeof(GUID) );
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hr = S_OK;
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}
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break;
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case 32:
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if ( pdwBitf[0] == 0x00ff0000 &&
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pdwBitf[1] == 0x0000ff00 &&
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pdwBitf[2] == 0x000000ff )
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{
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memcpy( psubtype, &MEDIASUBTYPE_RGB32, sizeof(GUID) );
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hr = S_OK;
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}
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break;
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}
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break;
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}
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return hr;
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}
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void QUARTZ_PatchBitmapInfoHeader( BITMAPINFOHEADER* pbi )
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{
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switch ( pbi->biCompression )
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{
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case mmioFOURCC('R','G','B',' '):
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pbi->biCompression = 0;
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break;
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case mmioFOURCC('R','L','E',' '):
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case mmioFOURCC('M','R','L','E'):
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case mmioFOURCC('R','L','E','8'):
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case mmioFOURCC('R','L','E','4'):
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if ( pbi->biBitCount == 4 )
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pbi->biCompression = 2;
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else
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pbi->biCompression = 1;
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break;
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}
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}
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BOOL QUARTZ_BitmapHasFixedSample( const BITMAPINFOHEADER* pbi )
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{
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switch ( pbi->biCompression )
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{
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case 0:
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case 3:
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case mmioFOURCC('I','4','2','0'):
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case mmioFOURCC('I','Y','U','V'):
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case mmioFOURCC('Y','U','Y','V'):
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case mmioFOURCC('Y','V','U','9'):
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case mmioFOURCC('Y','4','1','1'):
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case mmioFOURCC('Y','4','1','P'):
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case mmioFOURCC('Y','U','Y','2'):
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case mmioFOURCC('Y','V','Y','U'):
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case mmioFOURCC('U','Y','V','Y'):
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case mmioFOURCC('Y','2','1','1'):
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case mmioFOURCC('Y','V','1','2'):
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return TRUE;
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}
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return FALSE;
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}
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/****************************************************************************/
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typedef struct IEnumMediaTypesImpl
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{
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ICOM_VFIELD(IEnumMediaTypes);
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} IEnumMediaTypesImpl;
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typedef struct
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{
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QUARTZ_IUnkImpl unk;
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IEnumMediaTypesImpl enummtype;
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struct QUARTZ_IFEntry IFEntries[1];
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CRITICAL_SECTION cs;
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AM_MEDIA_TYPE* pTypes;
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ULONG cTypes;
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ULONG cCur;
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} CEnumMediaTypes;
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#define CEnumMediaTypes_THIS(iface,member) CEnumMediaTypes* This = ((CEnumMediaTypes*)(((char*)iface)-offsetof(CEnumMediaTypes,member)))
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static HRESULT WINAPI
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IEnumMediaTypes_fnQueryInterface(IEnumMediaTypes* iface,REFIID riid,void** ppobj)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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TRACE("(%p)->()\n",This);
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return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
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}
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static ULONG WINAPI
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IEnumMediaTypes_fnAddRef(IEnumMediaTypes* iface)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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TRACE("(%p)->()\n",This);
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return IUnknown_AddRef(This->unk.punkControl);
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}
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static ULONG WINAPI
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IEnumMediaTypes_fnRelease(IEnumMediaTypes* iface)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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TRACE("(%p)->()\n",This);
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return IUnknown_Release(This->unk.punkControl);
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}
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static HRESULT WINAPI
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IEnumMediaTypes_fnNext(IEnumMediaTypes* iface,ULONG cReq,AM_MEDIA_TYPE** ppmtype,ULONG* pcFetched)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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HRESULT hr;
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ULONG cFetched;
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TRACE("(%p)->(%lu,%p,%p)\n",This,cReq,ppmtype,pcFetched);
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if ( pcFetched == NULL && cReq > 1 )
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return E_INVALIDARG;
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if ( ppmtype == NULL )
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return E_POINTER;
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EnterCriticalSection( &This->cs );
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hr = NOERROR;
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cFetched = 0;
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while ( cReq > 0 )
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{
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if ( This->cCur >= This->cTypes )
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{
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hr = S_FALSE;
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break;
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}
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ppmtype[ cFetched ] =
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QUARTZ_MediaType_Duplicate( &This->pTypes[ This->cCur ] );
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if ( ppmtype[ cFetched ] == NULL )
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{
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hr = E_OUTOFMEMORY;
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while ( cFetched > 0 )
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{
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cFetched --;
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QUARTZ_MediaType_Destroy( ppmtype[ cFetched ] );
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}
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break;
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}
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cFetched ++;
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This->cCur ++;
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cReq --;
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}
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LeaveCriticalSection( &This->cs );
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if ( pcFetched != NULL )
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*pcFetched = cFetched;
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return hr;
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}
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static HRESULT WINAPI
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IEnumMediaTypes_fnSkip(IEnumMediaTypes* iface,ULONG cSkip)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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HRESULT hr;
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TRACE("(%p)->()\n",This);
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EnterCriticalSection( &This->cs );
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hr = NOERROR;
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while ( cSkip > 0 )
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{
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if ( This->cCur >= This->cTypes )
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{
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hr = S_FALSE;
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break;
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}
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This->cCur ++;
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cSkip --;
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}
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LeaveCriticalSection( &This->cs );
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return hr;
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}
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static HRESULT WINAPI
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IEnumMediaTypes_fnReset(IEnumMediaTypes* iface)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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TRACE("(%p)->()\n",This);
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EnterCriticalSection( &This->cs );
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This->cCur = 0;
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LeaveCriticalSection( &This->cs );
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return NOERROR;
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}
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static HRESULT WINAPI
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IEnumMediaTypes_fnClone(IEnumMediaTypes* iface,IEnumMediaTypes** ppobj)
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{
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CEnumMediaTypes_THIS(iface,enummtype);
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HRESULT hr;
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TRACE("(%p)->()\n",This);
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if ( ppobj == NULL )
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return E_POINTER;
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EnterCriticalSection( &This->cs );
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hr = QUARTZ_CreateEnumMediaTypes(
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ppobj,
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This->pTypes, This->cTypes );
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if ( SUCCEEDED(hr) )
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IEnumMediaTypes_Skip( *ppobj, This->cCur );
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LeaveCriticalSection( &This->cs );
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return hr;
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}
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static ICOM_VTABLE(IEnumMediaTypes) ienummtype =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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/* IUnknown fields */
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IEnumMediaTypes_fnQueryInterface,
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IEnumMediaTypes_fnAddRef,
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IEnumMediaTypes_fnRelease,
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/* IEnumMediaTypes fields */
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IEnumMediaTypes_fnNext,
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IEnumMediaTypes_fnSkip,
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IEnumMediaTypes_fnReset,
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IEnumMediaTypes_fnClone,
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};
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/* can I use offsetof safely? - FIXME? */
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static QUARTZ_IFEntry IFEntries[] =
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{
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{ &IID_IEnumMediaTypes, offsetof(CEnumMediaTypes,enummtype)-offsetof(CEnumMediaTypes,unk) },
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};
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void QUARTZ_DestroyEnumMediaTypes(IUnknown* punk)
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{
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CEnumMediaTypes_THIS(punk,unk);
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ULONG i;
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if ( This->pTypes != NULL )
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{
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for ( i = 0; i < This->cTypes; i++ )
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QUARTZ_MediaType_Free( &This->pTypes[i] );
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QUARTZ_FreeMem( This->pTypes );
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}
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DeleteCriticalSection( &This->cs );
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}
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HRESULT QUARTZ_CreateEnumMediaTypes(
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IEnumMediaTypes** ppobj,
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const AM_MEDIA_TYPE* pTypes, ULONG cTypes )
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{
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CEnumMediaTypes* penum;
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AM_MEDIA_TYPE* pTypesDup = NULL;
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ULONG i;
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HRESULT hr;
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TRACE("(%p,%p,%lu)\n",ppobj,pTypes,cTypes);
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if ( cTypes > 0 )
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{
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pTypesDup = (AM_MEDIA_TYPE*)QUARTZ_AllocMem(
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sizeof( AM_MEDIA_TYPE ) * cTypes );
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if ( pTypesDup == NULL )
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return E_OUTOFMEMORY;
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i = 0;
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while ( i < cTypes )
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{
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hr = QUARTZ_MediaType_Copy( &pTypesDup[i], &pTypes[i] );
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if ( FAILED(hr) )
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{
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while ( i > 0 )
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{
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i --;
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QUARTZ_MediaType_Free( &pTypesDup[i] );
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}
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QUARTZ_FreeMem( pTypesDup );
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return hr;
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}
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i ++;
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}
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}
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penum = (CEnumMediaTypes*)QUARTZ_AllocObj( sizeof(CEnumMediaTypes) );
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if ( penum == NULL )
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{
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return E_OUTOFMEMORY;
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}
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penum->pTypes = pTypesDup;
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penum->cTypes = cTypes;
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penum->cCur = 0;
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QUARTZ_IUnkInit( &penum->unk, NULL );
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ICOM_VTBL(&penum->enummtype) = &ienummtype;
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penum->unk.pEntries = IFEntries;
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penum->unk.dwEntries = sizeof(IFEntries)/sizeof(IFEntries[0]);
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penum->unk.pOnFinalRelease = QUARTZ_DestroyEnumMediaTypes;
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InitializeCriticalSection( &penum->cs );
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*ppobj = (IEnumMediaTypes*)(&penum->enummtype);
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return S_OK;
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}
|
|
|
|
|