Sweden-Number/dlls/quartz/mtype.c

494 lines
9.6 KiB
C

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