diff options
Diffstat (limited to 'loader/dmo/dmo.c')
| -rw-r--r-- | loader/dmo/dmo.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/loader/dmo/dmo.c b/loader/dmo/dmo.c new file mode 100644 index 0000000000..f328a86969 --- /dev/null +++ b/loader/dmo/dmo.c @@ -0,0 +1,156 @@ +#include "DMO_Filter.h" +#include "driver.h" +#include "com.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "win32.h" // printf macro + +void trapbug(); +typedef long STDCALL (*GETCLASS) (const GUID*, const GUID*, void**); + +void DMO_Filter_Destroy(DMO_Filter* This) +{ + if (This->m_pOptim) + This->m_pOptim->vt->Release((IUnknown*)This->m_pOptim); + if (This->m_pInPlace) + This->m_pInPlace->vt->Release((IUnknown*)This->m_pInPlace); + if (This->m_pMedia) + This->m_pMedia->vt->Release((IUnknown*)This->m_pMedia); + + free(This); + CodecRelease(); +} + +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 = (DMO_Filter*) malloc(sizeof(DMO_Filter)); + if (!This) + return NULL; + + memset(This, 0, sizeof(DMO_Filter)); + CodecAlloc(); + + //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((unsigned)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) + printf("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); + printf("DMO dll supports VO Optimizations %ld %lx\n", r, flags); + if (flags & DMO_VOSF_NEEDS_PREVIOUS_SAMPLE) + printf("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); + printf("GetOutputType %x \n", i); + printf("DMO 0x%x (%.4s) 0x%x (%.4s)\n" + //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++) + printf("BYTE %d %02x %02x\n", i, ((uint8_t*)dmo.pbFormat)[i], ((uint8_t*)out_fmt->pbFormat)[i]); +*/ + } + + 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); + 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); + printf("StreamCount r=0x%lx %ld %ld\n", hr, inputs, outputs); + + break; + } + if (em) + { + DMO_Filter_Destroy(This); + printf("IMediaObject ERROR: %p %s (0x%lx : %ld)\n", em, em ? em : "", hr, hr); + This = 0; + } + return This; +} |