static HRESULT WINAPI MediaStreamFilterImpl_AddMediaStream(IMediaStreamFilter* iface, IAMMediaStream *pAMMediaStream)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
IMediaStream** streams;
IPin** pins;
MediaStreamFilter_InputPin* pin;
HRESULT hr;
PIN_INFO info;
MSPID purpose_id;
TRACE("(%p)->(%p)\n", iface, pAMMediaStream);
streams = CoTaskMemRealloc(This->streams, (This->nb_streams + 1) * sizeof(IMediaStream*));
if (!streams)
return E_OUTOFMEMORY;
This->streams = streams;
pins = CoTaskMemRealloc(This->pins, (This->nb_streams + 1) * sizeof(IPin*));
if (!pins)
return E_OUTOFMEMORY;
This->pins = pins;
info.pFilter = (IBaseFilter*)&This->filter;
info.dir = PINDIR_INPUT;
hr = IAMMediaStream_GetInformation(pAMMediaStream, &purpose_id, NULL);
if (FAILED(hr))
return hr;
/* Pin name is "I{guid MSPID_PrimaryVideo or MSPID_PrimaryAudio}" */
info.achName[0] = 'I';
StringFromGUID2(&purpose_id, info.achName + 1, 40);
hr = BaseInputPin_Construct(&MediaStreamFilter_InputPin_Vtbl, sizeof(BaseInputPin), &info, &input_BaseFuncTable,
&input_BaseInputFuncTable, &This->filter.csFilter, NULL, &This->pins[This->nb_streams]);
if (FAILED(hr))
return hr;
pin = (MediaStreamFilter_InputPin*)This->pins[This->nb_streams];
pin->pin.pin.pinInfo.pFilter = (LPVOID)This;
This->streams[This->nb_streams] = (IMediaStream*)pAMMediaStream;
This->nb_streams++;
IMediaStream_AddRef((IMediaStream*)pAMMediaStream);
return S_OK;
}
static HRESULT WINAPI IAMMultiMediaStreamImpl_GetMediaStream(IAMMultiMediaStream* iface, REFMSPID idPurpose, IMediaStream** ppMediaStream)
{
IAMMultiMediaStreamImpl *This = impl_from_IAMMultiMediaStream(iface);
MSPID PurposeId;
unsigned int i;
TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_guid(idPurpose), ppMediaStream);
for (i = 0; i < This->nbStreams; i++)
{
IMediaStream_GetInformation(This->pStreams[i], &PurposeId, NULL);
if (IsEqualIID(&PurposeId, idPurpose))
{
*ppMediaStream = This->pStreams[i];
IMediaStream_AddRef(*ppMediaStream);
return S_OK;
}
}
return MS_E_NOSTREAM;
}
static HRESULT WINAPI MediaStreamFilterImpl_GetMediaStream(IMediaStreamFilter* iface, REFMSPID idPurpose, IMediaStream **ppMediaStream)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
MSPID purpose_id;
unsigned int i;
TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(idPurpose), ppMediaStream);
for (i = 0; i < This->nb_streams; i++)
{
IMediaStream_GetInformation(This->streams[i], &purpose_id, NULL);
if (IsEqualIID(&purpose_id, idPurpose))
{
*ppMediaStream = This->streams[i];
IMediaStream_AddRef(*ppMediaStream);
return S_OK;
}
}
return MS_E_NOSTREAM;
}
static HRESULT ddrawstreamsample_create(IDirectDrawMediaStream *parent, IDirectDrawSurface *surface,
const RECT *rect, IDirectDrawStreamSample **ddraw_stream_sample)
{
IDirectDrawStreamSampleImpl *object;
HRESULT hr;
TRACE("(%p)\n", ddraw_stream_sample);
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->IDirectDrawStreamSample_iface.lpVtbl = &DirectDrawStreamSample_Vtbl;
object->ref = 1;
object->parent = (IMediaStream*)parent;
IMediaStream_AddRef(object->parent);
if (surface)
{
object->surface = surface;
IDirectDrawSurface_AddRef(surface);
}
else
{
DDSURFACEDESC desc;
IDirectDraw *ddraw;
hr = IDirectDrawMediaStream_GetDirectDraw(parent, &ddraw);
if (FAILED(hr))
{
IDirectDrawStreamSample_Release(&object->IDirectDrawStreamSample_iface);
return hr;
}
desc.dwSize = sizeof(desc);
desc.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|DDSD_PIXELFORMAT;
desc.dwHeight = 100;
desc.dwWidth = 100;
desc.ddpfPixelFormat.dwSize = sizeof(desc.ddpfPixelFormat);
desc.ddpfPixelFormat.dwFlags = DDPF_RGB;
desc.ddpfPixelFormat.dwRGBBitCount = 32;
desc.ddpfPixelFormat.dwRBitMask = 0xff0000;
desc.ddpfPixelFormat.dwGBitMask = 0x00ff00;
desc.ddpfPixelFormat.dwBBitMask = 0x0000ff;
desc.ddpfPixelFormat.dwRGBAlphaBitMask = 0;
desc.ddsCaps.dwCaps = DDSCAPS_SYSTEMMEMORY|DDSCAPS_OFFSCREENPLAIN;
desc.lpSurface = NULL;
hr = IDirectDraw_CreateSurface(ddraw, &desc, &object->surface, NULL);
IDirectDraw_Release(ddraw);
if (FAILED(hr))
{
ERR("failed to create surface, 0x%08x\n", hr);
IDirectDrawStreamSample_Release(&object->IDirectDrawStreamSample_iface);
return hr;
}
}
if (rect)
object->rect = *rect;
else if (object->surface)
{
DDSURFACEDESC desc = { sizeof(desc) };
hr = IDirectDrawSurface_GetSurfaceDesc(object->surface, &desc);
if (hr == S_OK)
{
object->rect.left = object->rect.top = 0;
object->rect.right = desc.dwWidth;
object->rect.bottom = desc.dwHeight;
}
}
*ddraw_stream_sample = &object->IDirectDrawStreamSample_iface;
return S_OK;
}