//DrvOpen(LPCSTR lpszDriverName, LPCSTR lpszSectionName, LPARAM lParam2)
HDRVR DrvOpen(LPARAM lParam2)
{
NPDRVR hDriver;
char unknown[0x124];
const char* filename = (const char*) ((ICOPEN*) lParam2)->pV1Reserved;
#ifdef WIN32_LOADER
Setup_LDT_Keeper();
#endif
printf("Loading codec DLL: '%s'\n",filename);
hDriver = malloc(sizeof(DRVR));
if (!hDriver)
return (HDRVR) 0;
memset((void*)hDriver, 0, sizeof(DRVR));
#ifdef WIN32_LOADER
CodecAlloc();
Setup_FS_Segment();
#endif
hDriver->hDriverModule = LoadLibraryA(filename);
if (!hDriver->hDriverModule)
{
printf("Can't open library %s\n", filename);
DrvClose((HDRVR)hDriver);
return (HDRVR) 0;
}
hDriver->DriverProc = (DRIVERPROC) GetProcAddress(hDriver->hDriverModule,
"DriverProc");
if (!hDriver->DriverProc)
{
printf("Library %s is not a valid VfW/ACM codec\n", filename);
DrvClose((HDRVR)hDriver);
return (HDRVR) 0;
}
TRACE("DriverProc == %X\n", hDriver->DriverProc);
SendDriverMessage((HDRVR)hDriver, DRV_LOAD, 0, 0);
TRACE("DRV_LOAD Ok!\n");
SendDriverMessage((HDRVR)hDriver, DRV_ENABLE, 0, 0);
TRACE("DRV_ENABLE Ok!\n");
hDriver->dwDriverID = ++dwDrvID; // generate new id
// open driver and remmeber proper DriverID
hDriver->dwDriverID = SendDriverMessage((HDRVR)hDriver, DRV_OPEN, (LPARAM) unknown, lParam2);
TRACE("DRV_OPEN Ok!(%X)\n", hDriver->dwDriverID);
printf("Loaded DLL driver %s at %x\n", filename, hDriver->hDriverModule);
return (HDRVR)hDriver;
}
/***********************************************************************
* acmStreamOpen (MSACM32.40)
*/
MMRESULT WINAPI acmStreamOpen(PHACMSTREAM phas, HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
PWAVEFORMATEX pwfxDst, PWAVEFILTER pwfltr, DWORD dwCallback,
DWORD dwInstance, DWORD fdwOpen)
{
PWINE_ACMSTREAM was;
PWINE_ACMDRIVER wad;
MMRESULT ret;
int wfxSrcSize;
int wfxDstSize;
TRACE("(%p, 0x%08x, %p, %p, %p, %ld, %ld, %ld)\n",
phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen);
TRACE("src [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%lu, nAvgBytesPerSec=%lu, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
pwfxSrc->wFormatTag, pwfxSrc->nChannels, pwfxSrc->nSamplesPerSec, pwfxSrc->nAvgBytesPerSec,
pwfxSrc->nBlockAlign, pwfxSrc->wBitsPerSample, pwfxSrc->cbSize);
TRACE("dst [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%lu, nAvgBytesPerSec=%lu, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
pwfxDst->wFormatTag, pwfxDst->nChannels, pwfxDst->nSamplesPerSec, pwfxDst->nAvgBytesPerSec,
pwfxDst->nBlockAlign, pwfxDst->wBitsPerSample, pwfxDst->cbSize);
#define SIZEOF_WFX(wfx) (sizeof(WAVEFORMATEX) + ((wfx->wFormatTag == WAVE_FORMAT_PCM) ? 0 : wfx->cbSize))
wfxSrcSize = SIZEOF_WFX(pwfxSrc);
wfxDstSize = SIZEOF_WFX(pwfxDst);
#undef SIZEOF_WFX
was = (PWINE_ACMSTREAM) HeapAlloc(MSACM_hHeap, 0, sizeof(*was) + wfxSrcSize + wfxDstSize + ((pwfltr) ? sizeof(WAVEFILTER) : 0));
if (was == NULL)
return MMSYSERR_NOMEM;
was->drvInst.cbStruct = sizeof(was->drvInst);
was->drvInst.pwfxSrc = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was));
memcpy(was->drvInst.pwfxSrc, pwfxSrc, wfxSrcSize);
// LHACM is checking for 0x1
// but if this will not help
// was->drvInst.pwfxSrc->wFormatTag = 1;
was->drvInst.pwfxDst = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was) + wfxSrcSize);
memcpy(was->drvInst.pwfxDst, pwfxDst, wfxDstSize);
if (pwfltr) {
was->drvInst.pwfltr = (PWAVEFILTER)((LPSTR)was + sizeof(*was) + wfxSrcSize + wfxDstSize);
memcpy(was->drvInst.pwfltr, pwfltr, sizeof(WAVEFILTER));
} else {
was->drvInst.pwfltr = NULL;
}
was->drvInst.dwCallback = dwCallback;
was->drvInst.dwInstance = dwInstance;
was->drvInst.fdwOpen = fdwOpen;
was->drvInst.fdwDriver = 0L;
was->drvInst.dwDriver = 0L;
was->drvInst.has = (HACMSTREAM)was;
if (had) {
if (!(wad = MSACM_GetDriver(had))) {
ret = MMSYSERR_INVALPARAM;
goto errCleanUp;
}
was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
was->hAcmDriver = 0; /* not to close it in acmStreamClose */
ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
if (ret != MMSYSERR_NOERROR)
goto errCleanUp;
} else {
PWINE_ACMDRIVERID wadi;
/* short drv_tag; -- not used */
ret = ACMERR_NOTPOSSIBLE;
/* if(pwfxSrc->wFormatTag==1)//compression
drv_tag=pwfxDst->wFormatTag;
else
if(pwfxDst->wFormatTag==1)//decompression
drv_tag=pwfxSrc->wFormatTag;
else
goto errCleanUp;
ret=acmDriverOpen2(drv_tag);
if (ret == MMSYSERR_NOERROR) {
if ((wad = MSACM_GetDriver(had)) != 0) {
was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
was->hAcmDriver = had;
ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
if (ret == MMSYSERR_NOERROR) {
if (fdwOpen & ACM_STREAMOPENF_QUERY) {
acmDriverClose(had, 0L);
}
break;
}
}
acmDriverClose(had, 0L);*/
//if(MSACM_pFirstACMDriverID==NULL)
// MSACM_RegisterAllDrivers();
for (wadi = MSACM_pFirstACMDriverID; wadi; wadi = wadi->pNextACMDriverID)
{
/* Check Format */
if ((int)wadi->wFormatTag != (int)pwfxSrc->wFormatTag) continue;
ret = acmDriverOpen(&had, (HACMDRIVERID)wadi, 0L);
if (ret == MMSYSERR_NOERROR) {
if ((wad = MSACM_GetDriver(had)) != 0) {
was->obj.pACMDriverID = wad->obj.pACMDriverID;
was->pDrv = wad;
was->hAcmDriver = had;
ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
//lhacm - crash printf("RETOPEN %d\n", ret);
//ret = 0;
if (ret == MMSYSERR_NOERROR) {
if (fdwOpen & ACM_STREAMOPENF_QUERY) {
acmDriverClose(had, 0L);
}
break;
}
}
// no match, close this acm driver and try next one
acmDriverClose(had, 0L);
}
}
if (ret != MMSYSERR_NOERROR) {
ret = ACMERR_NOTPOSSIBLE;
goto errCleanUp;
}
}
ret = MMSYSERR_NOERROR;
if (!(fdwOpen & ACM_STREAMOPENF_QUERY)) {
if (phas)
*phas = (HACMSTREAM)was;
TRACE("=> (%d)\n", ret);
CodecAlloc();
return ret;
}
errCleanUp:
if (phas)
*phas = (HACMSTREAM)0;
HeapFree(MSACM_hHeap, 0, was);
TRACE("=> (%d)\n", ret);
return ret;
}
DMO_Filter* DMO_FilterCreate(const char* dllname, const GUID* id,
DMO_MEDIA_TYPE* in_fmt,
DMO_MEDIA_TYPE* out_fmt)
{
HRESULT hr = 0;
const char* em = NULL;
DMO_Filter* This = malloc(sizeof(DMO_Filter));
if (!This)
return NULL;
memset(This, 0, sizeof(DMO_Filter));
#ifdef WIN32_LOADER
CodecAlloc();
#endif
//This->Start = DS_Filter_Start;
//This->Stop = DS_Filter_Stop;
for (;;)
{
GETCLASS func;
struct IClassFactory* factory = NULL;
struct IUnknown* object = NULL;
unsigned int i;
unsigned long inputs, outputs;
This->m_iHandle = LoadLibraryA(dllname);
if (!This->m_iHandle)
{
em = "could not open DMO DLL";
break;
}
func = (GETCLASS)GetProcAddress(This->m_iHandle, "DllGetClassObject");
if (!func)
{
em = "illegal or corrupt DMO DLL";
break;
}
//trapbug();
hr = func(id, &IID_IClassFactory, (void*)&factory);
if (hr || !factory)
{
em = "no such class object";
break;
}
hr = factory->vt->CreateInstance(factory, 0, &IID_IUnknown, (void*)&object);
factory->vt->Release((IUnknown*)factory);
if (hr || !object)
{
em = "class factory failure";
break;
}
hr = object->vt->QueryInterface(object, &IID_IMediaObject, (void*)&This->m_pMedia);
if (hr == 0)
{
/* query for some extra available interface */
HRESULT r = object->vt->QueryInterface(object, &IID_IMediaObjectInPlace, (void*)&This->m_pInPlace);
if (r == 0 && This->m_pInPlace)
fprintf(stderr, "DMO dll supports InPlace - PLEASE REPORT to developer\n");
r = object->vt->QueryInterface(object, &IID_IDMOVideoOutputOptimizations, (void*)&This->m_pOptim);
if (r == 0 && This->m_pOptim)
{
unsigned long flags;
r = This->m_pOptim->vt->QueryOperationModePreferences(This->m_pOptim, 0, &flags);
fprintf(stderr, "DMO dll supports VO Optimizations %ld %lx\n", r, flags);
if (flags & DMO_VOSF_NEEDS_PREVIOUS_SAMPLE)
fprintf(stderr, "DMO dll might use previous sample when requested\n");
}
}
object->vt->Release((IUnknown*)object);
if (hr || !This->m_pMedia)
{
em = "object does not provide IMediaObject interface";
break;
}
hr = This->m_pMedia->vt->SetInputType(This->m_pMedia, 0, in_fmt, 0);
if (hr)
{
em = "input format not accepted";
break;
}
if (0) {
DMO_MEDIA_TYPE dmo;
//VIDEOINFOHEADER* vi;
memset(&dmo, 0, sizeof(dmo));
i = This->m_pMedia->vt->GetOutputType(This->m_pMedia, 0, 2, &dmo);
Debug printf("GetOutputType %x \n", i);
Debug printf("DMO 0x%x (%.4s) 0x%x (%.4s)\n"
//Debug printf("DMO 0x%x 0x%x\n"
":: fixszsamp:%d tempcomp:%d sampsz:%ld\n"
":: formtype: 0x%x\n"
":: unk %p cbform: %ld pbform:%p\n",
dmo.majortype.f1,
(const char*)&dmo.majortype.f1,
dmo.subtype.f1,
(const char*)&dmo.subtype.f1,
dmo.bFixedSizeSamples, dmo.bTemporalCompression,
dmo.lSampleSize,
dmo.formattype.f1,
dmo.pUnk, dmo.cbFormat, dmo.pbFormat
);
/* vi = (VIDEOINFOHEADER*) dmo.pbFormat;
vi = (VIDEOINFOHEADER*) out_fmt->pbFormat;
for (i = 0; i < out_fmt->cbFormat; i++)
Debug printf("BYTE %d %02x %02x\n", i, ((uint8_t*)dmo.pbFormat)[i], ((uint8_t*)out_fmt->pbFormat)[i]);
*/
}
if (0!=memcmp(&GUID_NULL, &out_fmt->subtype, sizeof(GUID))) {
hr = This->m_pMedia->vt->SetOutputType(This->m_pMedia, 0, out_fmt, 0);
if (hr)
{
em = "output format no accepted";
break;
}
inputs = outputs = 0;
hr = This->m_pMedia->vt->GetOutputSizeInfo(This->m_pMedia, 0, &inputs, &outputs);
Debug printf("GetOutput r=0x%lx size:%ld align:%ld\n", hr, inputs, outputs);
// This->m_pMedia->vt->AllocateStreamingResources(This->m_pMedia);
hr = This->m_pMedia->vt->GetStreamCount(This->m_pMedia, &inputs, &outputs);
Debug printf("StreamCount r=0x%lx %ld %ld\n", hr, inputs, outputs);
}
break;
}
if (em)
{
DMO_Filter_Destroy(This);
fprintf(stderr, "IMediaObject ERROR: %p %s (0x%lx : %ld)\n", em, em ? em : "", hr, hr);
This = 0;
}
return This;
}
