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/*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
*/
#include "config.h"
#include "DMO_Filter.h"
#include "drv.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);
#ifdef WIN32_LOADER
CodecRelease();
#endif
}
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));
#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((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);
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]);
*/
}
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);
printf("IMediaObject ERROR: %p %s (0x%lx : %ld)\n", em, em ? em : "", hr, hr);
This = 0;
}
return This;
}
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