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Sweden-Number/dlls/amstream/ddrawstream.c

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/*
* Primary DirectDraw video stream
*
* Copyright 2005, 2008, 2012 Christian Costa
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define NONAMELESSUNION
#define COBJMACROS
#include "amstream_private.h"
#include "wine/debug.h"
#include "wine/strmbase.h"
WINE_DEFAULT_DEBUG_CHANNEL(amstream);
static const WCHAR sink_id[] = L"I{A35FF56A-9FDA-11D0-8FDF-00C04FD9189D}";
struct format
{
DWORD flags;
DWORD width;
DWORD height;
DDPIXELFORMAT pf;
};
struct ddraw_stream
{
IAMMediaStream IAMMediaStream_iface;
IDirectDrawMediaStream IDirectDrawMediaStream_iface;
IMemInputPin IMemInputPin_iface;
IPin IPin_iface;
LONG ref;
LONG sample_refs;
IMultiMediaStream* parent;
MSPID purpose_id;
STREAM_TYPE stream_type;
IDirectDraw *ddraw;
CRITICAL_SECTION cs;
IMediaStreamFilter *filter;
IFilterGraph *graph;
IPin *peer;
IMemAllocator *allocator;
AM_MEDIA_TYPE mt;
struct format format;
};
static HRESULT ddrawstreamsample_create(struct ddraw_stream *parent, IDirectDrawSurface *surface,
const RECT *rect, IDirectDrawStreamSample **ddraw_stream_sample);
static BOOL is_format_compatible(struct ddraw_stream *stream,
DWORD width, DWORD height, const DDPIXELFORMAT *connection_pf)
{
if (stream->format.flags & DDSD_HEIGHT)
{
if (stream->format.width != width || stream->format.height != height)
return FALSE;
}
if (stream->format.flags & DDSD_PIXELFORMAT)
{
if (stream->format.pf.dwFlags & DDPF_FOURCC)
return FALSE;
if (stream->format.pf.u1.dwRGBBitCount != connection_pf->u1.dwRGBBitCount)
return FALSE;
if (stream->format.pf.u1.dwRGBBitCount == 16 && stream->format.pf.u3.dwGBitMask != connection_pf->u3.dwGBitMask)
return FALSE;
}
return TRUE;
}
static inline struct ddraw_stream *impl_from_IAMMediaStream(IAMMediaStream *iface)
{
return CONTAINING_RECORD(iface, struct ddraw_stream, IAMMediaStream_iface);
}
/*** IUnknown methods ***/
static HRESULT WINAPI ddraw_IAMMediaStream_QueryInterface(IAMMediaStream *iface,
REFIID riid, void **ret_iface)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ret_iface);
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IMediaStream) ||
IsEqualGUID(riid, &IID_IAMMediaStream))
{
IAMMediaStream_AddRef(iface);
*ret_iface = iface;
return S_OK;
}
else if (IsEqualGUID(riid, &IID_IDirectDrawMediaStream))
{
IAMMediaStream_AddRef(iface);
*ret_iface = &This->IDirectDrawMediaStream_iface;
return S_OK;
}
else if (IsEqualGUID(riid, &IID_IPin))
{
IAMMediaStream_AddRef(iface);
*ret_iface = &This->IPin_iface;
return S_OK;
}
else if (IsEqualGUID(riid, &IID_IMemInputPin))
{
IAMMediaStream_AddRef(iface);
*ret_iface = &This->IMemInputPin_iface;
return S_OK;
}
ERR("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
}
static ULONG WINAPI ddraw_IAMMediaStream_AddRef(IAMMediaStream *iface)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p/%p)->(): new ref = %u\n", iface, This, ref);
return ref;
}
static ULONG WINAPI ddraw_IAMMediaStream_Release(IAMMediaStream *iface)
{
struct ddraw_stream *stream = impl_from_IAMMediaStream(iface);
ULONG ref = InterlockedDecrement(&stream->ref);
TRACE("%p decreasing refcount to %u.\n", stream, ref);
if (!ref)
{
DeleteCriticalSection(&stream->cs);
if (stream->ddraw)
IDirectDraw_Release(stream->ddraw);
HeapFree(GetProcessHeap(), 0, stream);
}
return ref;
}
/*** IMediaStream methods ***/
static HRESULT WINAPI ddraw_IAMMediaStream_GetMultiMediaStream(IAMMediaStream *iface,
IMultiMediaStream **mmstream)
{
struct ddraw_stream *stream = impl_from_IAMMediaStream(iface);
TRACE("stream %p, mmstream %p.\n", stream, mmstream);
if (!mmstream)
return E_POINTER;
if (stream->parent)
IMultiMediaStream_AddRef(stream->parent);
*mmstream = stream->parent;
return S_OK;
}
static HRESULT WINAPI ddraw_IAMMediaStream_GetInformation(IAMMediaStream *iface,
MSPID *purpose_id, STREAM_TYPE *type)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
TRACE("(%p/%p)->(%p,%p)\n", This, iface, purpose_id, type);
if (purpose_id)
*purpose_id = This->purpose_id;
if (type)
*type = This->stream_type;
return S_OK;
}
static HRESULT WINAPI ddraw_IAMMediaStream_SetSameFormat(IAMMediaStream *iface,
IMediaStream *pStreamThatHasDesiredFormat, DWORD flags)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
FIXME("(%p/%p)->(%p,%x) stub!\n", This, iface, pStreamThatHasDesiredFormat, flags);
return S_FALSE;
}
static HRESULT WINAPI ddraw_IAMMediaStream_AllocateSample(IAMMediaStream *iface,
DWORD flags, IStreamSample **sample)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
FIXME("(%p/%p)->(%x,%p) stub!\n", This, iface, flags, sample);
return S_FALSE;
}
static HRESULT WINAPI ddraw_IAMMediaStream_CreateSharedSample(IAMMediaStream *iface,
IStreamSample *existing_sample, DWORD flags, IStreamSample **sample)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
FIXME("(%p/%p)->(%p,%x,%p) stub!\n", This, iface, existing_sample, flags, sample);
return S_FALSE;
}
static HRESULT WINAPI ddraw_IAMMediaStream_SendEndOfStream(IAMMediaStream *iface, DWORD flags)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
FIXME("(%p/%p)->(%x) stub!\n", This, iface, flags);
return S_FALSE;
}
/*** IAMMediaStream methods ***/
static HRESULT WINAPI ddraw_IAMMediaStream_Initialize(IAMMediaStream *iface, IUnknown *source_object, DWORD flags,
REFMSPID purpose_id, const STREAM_TYPE stream_type)
{
struct ddraw_stream *stream = impl_from_IAMMediaStream(iface);
HRESULT hr;
TRACE("stream %p, source_object %p, flags %x, purpose_id %s, stream_type %u.\n", stream, source_object, flags,
debugstr_guid(purpose_id), stream_type);
if (!purpose_id)
return E_POINTER;
if (flags & AMMSF_CREATEPEER)
FIXME("AMMSF_CREATEPEER is not yet supported.\n");
stream->purpose_id = *purpose_id;
stream->stream_type = stream_type;
if (source_object
&& FAILED(hr = IUnknown_QueryInterface(source_object, &IID_IDirectDraw, (void **)&stream->ddraw)))
FIXME("Stream object doesn't implement IDirectDraw interface, hr %#x.\n", hr);
if (!source_object)
{
if (FAILED(hr = DirectDrawCreate(NULL, &stream->ddraw, NULL)))
return hr;
IDirectDraw_SetCooperativeLevel(stream->ddraw, NULL, DDSCL_NORMAL);
}
return S_OK;
}
static HRESULT WINAPI ddraw_IAMMediaStream_SetState(IAMMediaStream *iface, FILTER_STATE state)
{
struct ddraw_stream *This = impl_from_IAMMediaStream(iface);
FIXME("(%p/%p)->(%u) stub!\n", This, iface, state);
return S_FALSE;
}
static HRESULT WINAPI ddraw_IAMMediaStream_JoinAMMultiMediaStream(IAMMediaStream *iface, IAMMultiMediaStream *mmstream)
{
struct ddraw_stream *stream = impl_from_IAMMediaStream(iface);
TRACE("stream %p, mmstream %p.\n", stream, mmstream);
stream->parent = (IMultiMediaStream *)mmstream;
return S_OK;
}
static HRESULT WINAPI ddraw_IAMMediaStream_JoinFilter(IAMMediaStream *iface, IMediaStreamFilter *filter)
{
struct ddraw_stream *stream = impl_from_IAMMediaStream(iface);
TRACE("iface %p, filter %p.\n", iface, filter);
stream->filter = filter;
return S_OK;
}
static HRESULT WINAPI ddraw_IAMMediaStream_JoinFilterGraph(IAMMediaStream *iface, IFilterGraph *filtergraph)
{
struct ddraw_stream *stream = impl_from_IAMMediaStream(iface);
TRACE("stream %p, filtergraph %p.\n", stream, filtergraph);
stream->graph = filtergraph;
return S_OK;
}
static const struct IAMMediaStreamVtbl ddraw_IAMMediaStream_vtbl =
{
/*** IUnknown methods ***/
ddraw_IAMMediaStream_QueryInterface,
ddraw_IAMMediaStream_AddRef,
ddraw_IAMMediaStream_Release,
/*** IMediaStream methods ***/
ddraw_IAMMediaStream_GetMultiMediaStream,
ddraw_IAMMediaStream_GetInformation,
ddraw_IAMMediaStream_SetSameFormat,
ddraw_IAMMediaStream_AllocateSample,
ddraw_IAMMediaStream_CreateSharedSample,
ddraw_IAMMediaStream_SendEndOfStream,
/*** IAMMediaStream methods ***/
ddraw_IAMMediaStream_Initialize,
ddraw_IAMMediaStream_SetState,
ddraw_IAMMediaStream_JoinAMMultiMediaStream,
ddraw_IAMMediaStream_JoinFilter,
ddraw_IAMMediaStream_JoinFilterGraph
};
static inline struct ddraw_stream *impl_from_IDirectDrawMediaStream(IDirectDrawMediaStream *iface)
{
return CONTAINING_RECORD(iface, struct ddraw_stream, IDirectDrawMediaStream_iface);
}
/*** IUnknown methods ***/
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_QueryInterface(IDirectDrawMediaStream *iface,
REFIID riid, void **ret_iface)
{
struct ddraw_stream *This = impl_from_IDirectDrawMediaStream(iface);
TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ret_iface);
return IAMMediaStream_QueryInterface(&This->IAMMediaStream_iface, riid, ret_iface);
}
static ULONG WINAPI ddraw_IDirectDrawMediaStream_AddRef(IDirectDrawMediaStream *iface)
{
struct ddraw_stream *This = impl_from_IDirectDrawMediaStream(iface);
TRACE("(%p/%p)\n", iface, This);
return IAMMediaStream_AddRef(&This->IAMMediaStream_iface);
}
static ULONG WINAPI ddraw_IDirectDrawMediaStream_Release(IDirectDrawMediaStream *iface)
{
struct ddraw_stream *This = impl_from_IDirectDrawMediaStream(iface);
TRACE("(%p/%p)\n", iface, This);
return IAMMediaStream_Release(&This->IAMMediaStream_iface);
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetMultiMediaStream(IDirectDrawMediaStream *iface,
IMultiMediaStream **mmstream)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
return IAMMediaStream_GetMultiMediaStream(&stream->IAMMediaStream_iface, mmstream);
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetInformation(IDirectDrawMediaStream *iface,
MSPID *purpose_id, STREAM_TYPE *type)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
return IAMMediaStream_GetInformation(&stream->IAMMediaStream_iface, purpose_id, type);
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_SetSameFormat(IDirectDrawMediaStream *iface,
IMediaStream *other, DWORD flags)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
return IAMMediaStream_SetSameFormat(&stream->IAMMediaStream_iface, other, flags);
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_AllocateSample(IDirectDrawMediaStream *iface,
DWORD flags, IStreamSample **sample)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
return IAMMediaStream_AllocateSample(&stream->IAMMediaStream_iface, flags, sample);
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_CreateSharedSample(IDirectDrawMediaStream *iface,
IStreamSample *existing_sample, DWORD flags, IStreamSample **sample)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
return IAMMediaStream_CreateSharedSample(&stream->IAMMediaStream_iface, existing_sample, flags, sample);
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_SendEndOfStream(IDirectDrawMediaStream *iface, DWORD flags)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
return IAMMediaStream_SendEndOfStream(&stream->IAMMediaStream_iface, flags);
}
/*** IDirectDrawMediaStream methods ***/
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetFormat(IDirectDrawMediaStream *iface,
DDSURFACEDESC *current_format, IDirectDrawPalette **palette,
DDSURFACEDESC *desired_format, DWORD *flags)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
TRACE("stream %p, current_format %p, palette %p, desired_format %p, flags %p.\n", stream, current_format, palette,
desired_format, flags);
EnterCriticalSection(&stream->cs);
if (!stream->peer)
{
LeaveCriticalSection(&stream->cs);
return MS_E_NOSTREAM;
}
if (current_format)
{
current_format->dwFlags = stream->format.flags | DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
current_format->dwWidth = stream->format.width;
current_format->dwHeight = stream->format.height;
current_format->ddpfPixelFormat = stream->format.pf;
current_format->ddsCaps.dwCaps = DDSCAPS_SYSTEMMEMORY | DDSCAPS_OFFSCREENPLAIN;
}
if (palette)
*palette = NULL;
if (desired_format)
{
desired_format->dwFlags = DDSD_WIDTH | DDSD_HEIGHT;
desired_format->dwWidth = stream->format.width;
desired_format->dwHeight = stream->format.height;
desired_format->ddpfPixelFormat = stream->format.pf;
desired_format->ddsCaps.dwCaps = DDSCAPS_SYSTEMMEMORY | DDSCAPS_OFFSCREENPLAIN;
}
if (flags)
*flags = 0;
LeaveCriticalSection(&stream->cs);
return S_OK;
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_SetFormat(IDirectDrawMediaStream *iface,
const DDSURFACEDESC *format, IDirectDrawPalette *palette)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
AM_MEDIA_TYPE old_media_type;
struct format old_format;
IPin *old_peer;
HRESULT hr;
TRACE("stream %p, format %p, palette %p.\n", stream, format, palette);
if (palette)
FIXME("Setting palette is not yet supported.\n");
if (!format)
return E_POINTER;
if (format->dwSize != sizeof(DDSURFACEDESC))
return E_INVALIDARG;
if (format->dwFlags & DDSD_PIXELFORMAT)
{
if (format->ddpfPixelFormat.dwSize != sizeof(DDPIXELFORMAT))
return DDERR_INVALIDSURFACETYPE;
if (format->ddpfPixelFormat.dwFlags & DDPF_FOURCC)
{
if (!format->ddpfPixelFormat.u1.dwRGBBitCount)
return E_INVALIDARG;
}
else
{
if (format->ddpfPixelFormat.dwFlags & (DDPF_YUV | DDPF_PALETTEINDEXED1 |
DDPF_PALETTEINDEXED2 | DDPF_PALETTEINDEXED4 | DDPF_PALETTEINDEXEDTO8))
return DDERR_INVALIDSURFACETYPE;
if (!(format->ddpfPixelFormat.dwFlags & DDPF_RGB))
return DDERR_INVALIDSURFACETYPE;
switch (format->ddpfPixelFormat.u1.dwRGBBitCount)
{
case 8:
if (!(format->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8))
return DDERR_INVALIDSURFACETYPE;
break;
case 16:
if (format->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8)
return DDERR_INVALIDSURFACETYPE;
if ((format->ddpfPixelFormat.u2.dwRBitMask != 0x7c00 ||
format->ddpfPixelFormat.u3.dwGBitMask != 0x03e0 ||
format->ddpfPixelFormat.u4.dwBBitMask != 0x001f) &&
(format->ddpfPixelFormat.u2.dwRBitMask != 0xf800 ||
format->ddpfPixelFormat.u3.dwGBitMask != 0x07e0 ||
format->ddpfPixelFormat.u4.dwBBitMask != 0x001f))
return DDERR_INVALIDSURFACETYPE;
break;
case 24:
case 32:
if (format->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8)
return DDERR_INVALIDSURFACETYPE;
if (format->ddpfPixelFormat.u2.dwRBitMask != 0xff0000 ||
format->ddpfPixelFormat.u3.dwGBitMask != 0x00ff00 ||
format->ddpfPixelFormat.u4.dwBBitMask != 0x0000ff)
return DDERR_INVALIDSURFACETYPE;
break;
default:
return DDERR_INVALIDSURFACETYPE;
}
}
}
EnterCriticalSection(&stream->cs);
old_format = stream->format;
stream->format.flags = format->dwFlags & (DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT);
if (format->dwFlags & (DDSD_WIDTH | DDSD_HEIGHT))
{
stream->format.width = format->dwWidth;
stream->format.height = format->dwHeight;
}
if (format->dwFlags & DDSD_PIXELFORMAT)
stream->format.pf = format->ddpfPixelFormat;
if (stream->peer && !is_format_compatible(stream, old_format.width, old_format.height, &old_format.pf))
{
hr = CopyMediaType(&old_media_type, &stream->mt);
if (FAILED(hr))
{
stream->format = old_format;
LeaveCriticalSection(&stream->cs);
return hr;
}
old_peer = stream->peer;
IPin_AddRef(old_peer);
IFilterGraph_Disconnect(stream->graph, stream->peer);
IFilterGraph_Disconnect(stream->graph, &stream->IPin_iface);
hr = IFilterGraph_ConnectDirect(stream->graph, old_peer, &stream->IPin_iface, NULL);
if (FAILED(hr))
{
stream->format = old_format;
IFilterGraph_ConnectDirect(stream->graph, old_peer, &stream->IPin_iface, &old_media_type);
IPin_Release(old_peer);
FreeMediaType(&old_media_type);
LeaveCriticalSection(&stream->cs);
return DDERR_INVALIDSURFACETYPE;
}
IPin_Release(old_peer);
FreeMediaType(&old_media_type);
}
LeaveCriticalSection(&stream->cs);
return S_OK;
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetDirectDraw(IDirectDrawMediaStream *iface,
IDirectDraw **ddraw)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
TRACE("stream %p, ddraw %p.\n", stream, ddraw);
if (!ddraw)
return E_POINTER;
if (!stream->ddraw)
{
*ddraw = NULL;
return S_OK;
}
IDirectDraw_AddRef(stream->ddraw);
*ddraw = stream->ddraw;
return S_OK;
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_SetDirectDraw(IDirectDrawMediaStream *iface,
IDirectDraw *ddraw)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
TRACE("stream %p, ddraw %p.\n", stream, ddraw);
EnterCriticalSection(&stream->cs);
if (stream->sample_refs)
{
HRESULT hr = (stream->ddraw == ddraw) ? S_OK : MS_E_SAMPLEALLOC;
LeaveCriticalSection(&stream->cs);
return hr;
}
if (stream->ddraw)
IDirectDraw_Release(stream->ddraw);
if (ddraw)
{
IDirectDraw_AddRef(ddraw);
stream->ddraw = ddraw;
}
else
stream->ddraw = NULL;
LeaveCriticalSection(&stream->cs);
return S_OK;
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_CreateSample(IDirectDrawMediaStream *iface,
IDirectDrawSurface *surface, const RECT *rect, DWORD flags,
IDirectDrawStreamSample **sample)
{
struct ddraw_stream *stream = impl_from_IDirectDrawMediaStream(iface);
HRESULT hr;
TRACE("stream %p, surface %p, rect %s, flags %#x, sample %p.\n",
stream, surface, wine_dbgstr_rect(rect), flags, sample);
if (!surface && rect)
return E_INVALIDARG;
EnterCriticalSection(&stream->cs);
hr = ddrawstreamsample_create(stream, surface, rect, sample);
LeaveCriticalSection(&stream->cs);
return hr;
}
static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetTimePerFrame(IDirectDrawMediaStream *iface,
STREAM_TIME *pFrameTime)
{
FIXME("(%p)->(%p) stub!\n", iface, pFrameTime);
return E_NOTIMPL;
}
static const struct IDirectDrawMediaStreamVtbl ddraw_IDirectDrawMediaStream_Vtbl =
{
/*** IUnknown methods ***/
ddraw_IDirectDrawMediaStream_QueryInterface,
ddraw_IDirectDrawMediaStream_AddRef,
ddraw_IDirectDrawMediaStream_Release,
/*** IMediaStream methods ***/
ddraw_IDirectDrawMediaStream_GetMultiMediaStream,
ddraw_IDirectDrawMediaStream_GetInformation,
ddraw_IDirectDrawMediaStream_SetSameFormat,
ddraw_IDirectDrawMediaStream_AllocateSample,
ddraw_IDirectDrawMediaStream_CreateSharedSample,
ddraw_IDirectDrawMediaStream_SendEndOfStream,
/*** IDirectDrawMediaStream methods ***/
ddraw_IDirectDrawMediaStream_GetFormat,
ddraw_IDirectDrawMediaStream_SetFormat,
ddraw_IDirectDrawMediaStream_GetDirectDraw,
ddraw_IDirectDrawMediaStream_SetDirectDraw,
ddraw_IDirectDrawMediaStream_CreateSample,
ddraw_IDirectDrawMediaStream_GetTimePerFrame
};
struct enum_media_types
{
IEnumMediaTypes IEnumMediaTypes_iface;
LONG refcount;
unsigned int index;
};
static const IEnumMediaTypesVtbl enum_media_types_vtbl;
static struct enum_media_types *impl_from_IEnumMediaTypes(IEnumMediaTypes *iface)
{
return CONTAINING_RECORD(iface, struct enum_media_types, IEnumMediaTypes_iface);
}
static HRESULT WINAPI enum_media_types_QueryInterface(IEnumMediaTypes *iface, REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IEnumMediaTypes))
{
IEnumMediaTypes_AddRef(iface);
*out = iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI enum_media_types_AddRef(IEnumMediaTypes *iface)
{
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
ULONG refcount = InterlockedIncrement(&enum_media_types->refcount);
TRACE("%p increasing refcount to %u.\n", enum_media_types, refcount);
return refcount;
}
static ULONG WINAPI enum_media_types_Release(IEnumMediaTypes *iface)
{
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
ULONG refcount = InterlockedDecrement(&enum_media_types->refcount);
TRACE("%p decreasing refcount to %u.\n", enum_media_types, refcount);
if (!refcount)
heap_free(enum_media_types);
return refcount;
}
static HRESULT WINAPI enum_media_types_Next(IEnumMediaTypes *iface, ULONG count, AM_MEDIA_TYPE **mts, ULONG *ret_count)
{
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
TRACE("iface %p, count %u, mts %p, ret_count %p.\n", iface, count, mts, ret_count);
if (!ret_count)
return E_POINTER;
if (count && !enum_media_types->index)
{
mts[0] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
memset(mts[0], 0, sizeof(AM_MEDIA_TYPE));
mts[0]->majortype = MEDIATYPE_Video;
mts[0]->subtype = MEDIASUBTYPE_RGB8;
mts[0]->bFixedSizeSamples = TRUE;
mts[0]->lSampleSize = 10000;
++enum_media_types->index;
*ret_count = 1;
return count == 1 ? S_OK : S_FALSE;
}
*ret_count = 0;
return count ? S_FALSE : S_OK;
}
static HRESULT WINAPI enum_media_types_Skip(IEnumMediaTypes *iface, ULONG count)
{
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
TRACE("iface %p, count %u.\n", iface, count);
enum_media_types->index += count;
return S_OK;
}
static HRESULT WINAPI enum_media_types_Reset(IEnumMediaTypes *iface)
{
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
TRACE("iface %p.\n", iface);
enum_media_types->index = 0;
return S_OK;
}
static HRESULT WINAPI enum_media_types_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **out)
{
struct enum_media_types *enum_media_types = impl_from_IEnumMediaTypes(iface);
struct enum_media_types *object;
TRACE("iface %p, out %p.\n", iface, out);
if (!(object = heap_alloc(sizeof(*object))))
return E_OUTOFMEMORY;
object->IEnumMediaTypes_iface.lpVtbl = &enum_media_types_vtbl;
object->refcount = 1;
object->index = enum_media_types->index;
*out = &object->IEnumMediaTypes_iface;
return S_OK;
}
static const IEnumMediaTypesVtbl enum_media_types_vtbl =
{
enum_media_types_QueryInterface,
enum_media_types_AddRef,
enum_media_types_Release,
enum_media_types_Next,
enum_media_types_Skip,
enum_media_types_Reset,
enum_media_types_Clone,
};
static inline struct ddraw_stream *impl_from_IPin(IPin *iface)
{
return CONTAINING_RECORD(iface, struct ddraw_stream, IPin_iface);
}
static HRESULT WINAPI ddraw_sink_QueryInterface(IPin *iface, REFIID iid, void **out)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
return IAMMediaStream_QueryInterface(&stream->IAMMediaStream_iface, iid, out);
}
static ULONG WINAPI ddraw_sink_AddRef(IPin *iface)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
return IAMMediaStream_AddRef(&stream->IAMMediaStream_iface);
}
static ULONG WINAPI ddraw_sink_Release(IPin *iface)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
return IAMMediaStream_Release(&stream->IAMMediaStream_iface);
}
static HRESULT WINAPI ddraw_sink_Connect(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
{
WARN("iface %p, peer %p, mt %p, unexpected call!\n", iface, peer, mt);
return E_UNEXPECTED;
}
static HRESULT WINAPI ddraw_sink_ReceiveConnection(IPin *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
const VIDEOINFOHEADER *video_info;
PIN_DIRECTION dir;
DWORD width;
DWORD height;
DDPIXELFORMAT pf = {sizeof(DDPIXELFORMAT)};
TRACE("stream %p, peer %p, mt %p.\n", stream, peer, mt);
EnterCriticalSection(&stream->cs);
if (stream->peer)
{
LeaveCriticalSection(&stream->cs);
return VFW_E_ALREADY_CONNECTED;
}
if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Video)
|| !IsEqualGUID(&mt->formattype, &FORMAT_VideoInfo))
{
LeaveCriticalSection(&stream->cs);
return VFW_E_TYPE_NOT_ACCEPTED;
}
video_info = (const VIDEOINFOHEADER *)mt->pbFormat;
width = video_info->bmiHeader.biWidth;
height = abs(video_info->bmiHeader.biHeight);
pf.dwFlags = DDPF_RGB;
if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_RGB8))
{
pf.dwFlags |= DDPF_PALETTEINDEXED8;
pf.u1.dwRGBBitCount = 8;
}
else if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_RGB555))
{
pf.u1.dwRGBBitCount = 16;
pf.u2.dwRBitMask = 0x7c00;
pf.u3.dwGBitMask = 0x03e0;
pf.u4.dwBBitMask = 0x001f;
}
else if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_RGB565))
{
pf.u1.dwRGBBitCount = 16;
pf.u2.dwRBitMask = 0xf800;
pf.u3.dwGBitMask = 0x07e0;
pf.u4.dwBBitMask = 0x001f;
}
else if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_RGB24))
{
pf.u1.dwRGBBitCount = 24;
pf.u2.dwRBitMask = 0xff0000;
pf.u3.dwGBitMask = 0x00ff00;
pf.u4.dwBBitMask = 0x0000ff;
}
else if (IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_RGB32))
{
pf.u1.dwRGBBitCount = 32;
pf.u2.dwRBitMask = 0xff0000;
pf.u3.dwGBitMask = 0x00ff00;
pf.u4.dwBBitMask = 0x0000ff;
}
else
{
LeaveCriticalSection(&stream->cs);
return VFW_E_TYPE_NOT_ACCEPTED;
}
if (!is_format_compatible(stream, width, height, &pf))
{
LeaveCriticalSection(&stream->cs);
return VFW_E_TYPE_NOT_ACCEPTED;
}
IPin_QueryDirection(peer, &dir);
if (dir != PINDIR_OUTPUT)
{
WARN("Rejecting connection from input pin.\n");
LeaveCriticalSection(&stream->cs);
return VFW_E_INVALID_DIRECTION;
}
CopyMediaType(&stream->mt, mt);
IPin_AddRef(stream->peer = peer);
stream->format.width = width;
stream->format.height = height;
if (!(stream->format.flags & DDSD_PIXELFORMAT))
stream->format.pf = pf;
LeaveCriticalSection(&stream->cs);
return S_OK;
}
static HRESULT WINAPI ddraw_sink_Disconnect(IPin *iface)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
TRACE("stream %p.\n", stream);
EnterCriticalSection(&stream->cs);
if (!stream->peer)
{
LeaveCriticalSection(&stream->cs);
return S_FALSE;
}
IPin_Release(stream->peer);
stream->peer = NULL;
FreeMediaType(&stream->mt);
memset(&stream->mt, 0, sizeof(AM_MEDIA_TYPE));
LeaveCriticalSection(&stream->cs);
return S_OK;
}
static HRESULT WINAPI ddraw_sink_ConnectedTo(IPin *iface, IPin **peer)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
HRESULT hr;
TRACE("stream %p, peer %p.\n", stream, peer);
EnterCriticalSection(&stream->cs);
if (stream->peer)
{
IPin_AddRef(*peer = stream->peer);
hr = S_OK;
}
else
{
*peer = NULL;
hr = VFW_E_NOT_CONNECTED;
}
LeaveCriticalSection(&stream->cs);
return hr;
}
static HRESULT WINAPI ddraw_sink_ConnectionMediaType(IPin *iface, AM_MEDIA_TYPE *mt)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
HRESULT hr;
TRACE("stream %p, mt %p.\n", stream, mt);
EnterCriticalSection(&stream->cs);
if (stream->peer)
{
CopyMediaType(mt, &stream->mt);
hr = S_OK;
}
else
{
memset(mt, 0, sizeof(AM_MEDIA_TYPE));
hr = VFW_E_NOT_CONNECTED;
}
LeaveCriticalSection(&stream->cs);
return hr;
}
static HRESULT WINAPI ddraw_sink_QueryPinInfo(IPin *iface, PIN_INFO *info)
{
struct ddraw_stream *stream = impl_from_IPin(iface);
TRACE("stream %p, info %p.\n", stream, info);
IBaseFilter_AddRef(info->pFilter = (IBaseFilter *)stream->filter);
info->dir = PINDIR_INPUT;
wcscpy(info->achName, sink_id);
return S_OK;
}
static HRESULT WINAPI ddraw_sink_QueryDirection(IPin *iface, PIN_DIRECTION *dir)
{
TRACE("iface %p, dir %p.\n", iface, dir);
*dir = PINDIR_INPUT;
return S_OK;
}
static HRESULT WINAPI ddraw_sink_QueryId(IPin *iface, WCHAR **id)
{
TRACE("iface %p, id %p.\n", iface, id);
if (!(*id = CoTaskMemAlloc(sizeof(sink_id))))
return E_OUTOFMEMORY;
wcscpy(*id, sink_id);
return S_OK;
}
static HRESULT WINAPI ddraw_sink_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *mt)
{
TRACE("iface %p, mt %p.\n", iface, mt);
if (IsEqualGUID(&mt->majortype, &MEDIATYPE_Video)
&& IsEqualGUID(&mt->subtype, &MEDIASUBTYPE_RGB8)
&& IsEqualGUID(&mt->formattype, &FORMAT_VideoInfo))
return S_OK;
return VFW_E_TYPE_NOT_ACCEPTED;
}
static HRESULT WINAPI ddraw_sink_EnumMediaTypes(IPin *iface, IEnumMediaTypes **enum_media_types)
{
struct enum_media_types *object;
TRACE("iface %p, enum_media_types %p.\n", iface, enum_media_types);
if (!enum_media_types)
return E_POINTER;
if (!(object = heap_alloc(sizeof(*object))))
return E_OUTOFMEMORY;
object->IEnumMediaTypes_iface.lpVtbl = &enum_media_types_vtbl;
object->refcount = 1;
object->index = 0;
*enum_media_types = &object->IEnumMediaTypes_iface;
return S_OK;
}
static HRESULT WINAPI ddraw_sink_QueryInternalConnections(IPin *iface, IPin **pins, ULONG *count)
{
TRACE("iface %p, pins %p, count %p.\n", iface, pins, count);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_sink_EndOfStream(IPin *iface)
{
FIXME("iface %p, stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_sink_BeginFlush(IPin *iface)
{
FIXME("iface %p, stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_sink_EndFlush(IPin *iface)
{
FIXME("iface %p, stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_sink_NewSegment(IPin *iface, REFERENCE_TIME start, REFERENCE_TIME stop, double rate)
{
FIXME("iface %p, start %s, stop %s, rate %0.16e, stub!\n",
iface, wine_dbgstr_longlong(start), wine_dbgstr_longlong(stop), rate);
return E_NOTIMPL;
}
static const IPinVtbl ddraw_sink_vtbl =
{
ddraw_sink_QueryInterface,
ddraw_sink_AddRef,
ddraw_sink_Release,
ddraw_sink_Connect,
ddraw_sink_ReceiveConnection,
ddraw_sink_Disconnect,
ddraw_sink_ConnectedTo,
ddraw_sink_ConnectionMediaType,
ddraw_sink_QueryPinInfo,
ddraw_sink_QueryDirection,
ddraw_sink_QueryId,
ddraw_sink_QueryAccept,
ddraw_sink_EnumMediaTypes,
ddraw_sink_QueryInternalConnections,
ddraw_sink_EndOfStream,
ddraw_sink_BeginFlush,
ddraw_sink_EndFlush,
ddraw_sink_NewSegment,
};
static inline struct ddraw_stream *impl_from_IMemInputPin(IMemInputPin *iface)
{
return CONTAINING_RECORD(iface, struct ddraw_stream, IMemInputPin_iface);
}
static HRESULT WINAPI ddraw_meminput_QueryInterface(IMemInputPin *iface, REFIID iid, void **out)
{
struct ddraw_stream *stream = impl_from_IMemInputPin(iface);
return IAMMediaStream_QueryInterface(&stream->IAMMediaStream_iface, iid, out);
}
static ULONG WINAPI ddraw_meminput_AddRef(IMemInputPin *iface)
{
struct ddraw_stream *stream = impl_from_IMemInputPin(iface);
return IAMMediaStream_AddRef(&stream->IAMMediaStream_iface);
}
static ULONG WINAPI ddraw_meminput_Release(IMemInputPin *iface)
{
struct ddraw_stream *stream = impl_from_IMemInputPin(iface);
return IAMMediaStream_Release(&stream->IAMMediaStream_iface);
}
static HRESULT WINAPI ddraw_meminput_GetAllocator(IMemInputPin *iface, IMemAllocator **allocator)
{
struct ddraw_stream *stream = impl_from_IMemInputPin(iface);
TRACE("stream %p, allocator %p.\n", stream, allocator);
if (stream->allocator)
{
IMemAllocator_AddRef(*allocator = stream->allocator);
return S_OK;
}
*allocator = NULL;
return VFW_E_NO_ALLOCATOR;
}
static HRESULT WINAPI ddraw_meminput_NotifyAllocator(IMemInputPin *iface, IMemAllocator *allocator, BOOL readonly)
{
struct ddraw_stream *stream = impl_from_IMemInputPin(iface);
TRACE("stream %p, allocator %p, readonly %d.\n", stream, allocator, readonly);
if (!allocator)
return E_POINTER;
if (allocator)
IMemAllocator_AddRef(allocator);
if (stream->allocator)
IMemAllocator_Release(stream->allocator);
stream->allocator = allocator;
return S_OK;
}
static HRESULT WINAPI ddraw_meminput_GetAllocatorRequirements(IMemInputPin *iface, ALLOCATOR_PROPERTIES *props)
{
TRACE("iface %p, props %p.\n", iface, props);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_meminput_Receive(IMemInputPin *iface, IMediaSample *sample)
{
FIXME("iface %p, sample %p, stub!\n", iface, sample);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_meminput_ReceiveMultiple(IMemInputPin *iface,
IMediaSample **samples, LONG count, LONG *processed)
{
FIXME("iface %p, samples %p, count %u, processed %p, stub!\n", iface, samples, count, processed);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_meminput_ReceiveCanBlock(IMemInputPin *iface)
{
TRACE("iface %p.\n", iface);
return S_OK;
}
static const IMemInputPinVtbl ddraw_meminput_vtbl =
{
ddraw_meminput_QueryInterface,
ddraw_meminput_AddRef,
ddraw_meminput_Release,
ddraw_meminput_GetAllocator,
ddraw_meminput_NotifyAllocator,
ddraw_meminput_GetAllocatorRequirements,
ddraw_meminput_Receive,
ddraw_meminput_ReceiveMultiple,
ddraw_meminput_ReceiveCanBlock,
};
HRESULT ddraw_stream_create(IUnknown *outer, void **out)
{
struct ddraw_stream *object;
if (outer)
return CLASS_E_NOAGGREGATION;
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
if (!object)
return E_OUTOFMEMORY;
object->IAMMediaStream_iface.lpVtbl = &ddraw_IAMMediaStream_vtbl;
object->IDirectDrawMediaStream_iface.lpVtbl = &ddraw_IDirectDrawMediaStream_Vtbl;
object->IMemInputPin_iface.lpVtbl = &ddraw_meminput_vtbl;
object->IPin_iface.lpVtbl = &ddraw_sink_vtbl;
object->ref = 1;
object->format.width = 100;
object->format.height = 100;
InitializeCriticalSection(&object->cs);
TRACE("Created ddraw stream %p.\n", object);
*out = &object->IAMMediaStream_iface;
return S_OK;
}
struct ddraw_sample
{
IDirectDrawStreamSample IDirectDrawStreamSample_iface;
LONG ref;
struct ddraw_stream *parent;
IDirectDrawSurface *surface;
RECT rect;
};
static inline struct ddraw_sample *impl_from_IDirectDrawStreamSample(IDirectDrawStreamSample *iface)
{
return CONTAINING_RECORD(iface, struct ddraw_sample, IDirectDrawStreamSample_iface);
}
/*** IUnknown methods ***/
static HRESULT WINAPI ddraw_sample_QueryInterface(IDirectDrawStreamSample *iface,
REFIID riid, void **ret_iface)
{
TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ret_iface);
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IStreamSample) ||
IsEqualGUID(riid, &IID_IDirectDrawStreamSample))
{
IDirectDrawStreamSample_AddRef(iface);
*ret_iface = iface;
return S_OK;
}
*ret_iface = NULL;
ERR("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
}
static ULONG WINAPI ddraw_sample_AddRef(IDirectDrawStreamSample *iface)
{
struct ddraw_sample *sample = impl_from_IDirectDrawStreamSample(iface);
ULONG ref = InterlockedIncrement(&sample->ref);
TRACE("(%p)->(): new ref = %u\n", iface, ref);
return ref;
}
static ULONG WINAPI ddraw_sample_Release(IDirectDrawStreamSample *iface)
{
struct ddraw_sample *sample = impl_from_IDirectDrawStreamSample(iface);
ULONG ref = InterlockedDecrement(&sample->ref);
TRACE("(%p)->(): new ref = %u\n", iface, ref);
if (!ref)
{
EnterCriticalSection(&sample->parent->cs);
--sample->parent->sample_refs;
LeaveCriticalSection(&sample->parent->cs);
IAMMediaStream_Release(&sample->parent->IAMMediaStream_iface);
if (sample->surface)
IDirectDrawSurface_Release(sample->surface);
HeapFree(GetProcessHeap(), 0, sample);
}
return ref;
}
/*** IStreamSample methods ***/
static HRESULT WINAPI ddraw_sample_GetMediaStream(IDirectDrawStreamSample *iface, IMediaStream **media_stream)
{
struct ddraw_sample *sample = impl_from_IDirectDrawStreamSample(iface);
TRACE("sample %p, media_stream %p.\n", sample, media_stream);
if (!media_stream)
return E_POINTER;
IAMMediaStream_AddRef(&sample->parent->IAMMediaStream_iface);
*media_stream = (IMediaStream *)&sample->parent->IAMMediaStream_iface;
return S_OK;
}
static HRESULT WINAPI ddraw_sample_GetSampleTimes(IDirectDrawStreamSample *iface, STREAM_TIME *start_time,
STREAM_TIME *end_time, STREAM_TIME *current_time)
{
FIXME("(%p)->(%p,%p,%p): stub\n", iface, start_time, end_time, current_time);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_sample_SetSampleTimes(IDirectDrawStreamSample *iface, const STREAM_TIME *start_time,
const STREAM_TIME *end_time)
{
FIXME("(%p)->(%p,%p): stub\n", iface, start_time, end_time);
return E_NOTIMPL;
}
static HRESULT WINAPI ddraw_sample_Update(IDirectDrawStreamSample *iface, DWORD flags, HANDLE event,
PAPCFUNC func_APC, DWORD APC_data)
{
FIXME("(%p)->(%x,%p,%p,%u): stub\n", iface, flags, event, func_APC, APC_data);
return S_OK;
}
static HRESULT WINAPI ddraw_sample_CompletionStatus(IDirectDrawStreamSample *iface, DWORD flags, DWORD milliseconds)
{
FIXME("(%p)->(%x,%u): stub\n", iface, flags, milliseconds);
return E_NOTIMPL;
}
/*** IDirectDrawStreamSample methods ***/
static HRESULT WINAPI ddraw_sample_GetSurface(IDirectDrawStreamSample *iface, IDirectDrawSurface **ddraw_surface,
RECT *rect)
{
struct ddraw_sample *sample = impl_from_IDirectDrawStreamSample(iface);
TRACE("(%p)->(%p,%p)\n", iface, ddraw_surface, rect);
if (ddraw_surface)
{
*ddraw_surface = sample->surface;
if (*ddraw_surface)
IDirectDrawSurface_AddRef(*ddraw_surface);
}
if (rect)
*rect = sample->rect;
return S_OK;
}
static HRESULT WINAPI ddraw_sample_SetRect(IDirectDrawStreamSample *iface, const RECT *rect)
{
FIXME("(%p)->(%p): stub\n", iface, rect);
return E_NOTIMPL;
}
static const struct IDirectDrawStreamSampleVtbl DirectDrawStreamSample_Vtbl =
{
/*** IUnknown methods ***/
ddraw_sample_QueryInterface,
ddraw_sample_AddRef,
ddraw_sample_Release,
/*** IStreamSample methods ***/
ddraw_sample_GetMediaStream,
ddraw_sample_GetSampleTimes,
ddraw_sample_SetSampleTimes,
ddraw_sample_Update,
ddraw_sample_CompletionStatus,
/*** IDirectDrawStreamSample methods ***/
ddraw_sample_GetSurface,
ddraw_sample_SetRect
};
static HRESULT ddrawstreamsample_create(struct ddraw_stream *parent, IDirectDrawSurface *surface,
const RECT *rect, IDirectDrawStreamSample **ddraw_stream_sample)
{
struct ddraw_sample *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 = parent;
IAMMediaStream_AddRef(&parent->IAMMediaStream_iface);
++parent->sample_refs;
if (surface)
{
object->surface = surface;
IDirectDrawSurface_AddRef(surface);
}
else
{
DDSURFACEDESC desc;
IDirectDraw *ddraw;
hr = IDirectDrawMediaStream_GetDirectDraw(&parent->IDirectDrawMediaStream_iface, &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 = parent->format.height;
desc.dwWidth = parent->format.width;
if (parent->format.flags & DDSD_PIXELFORMAT)
{
desc.ddpfPixelFormat = parent->format.pf;
}
else
{
desc.ddpfPixelFormat.dwSize = sizeof(desc.ddpfPixelFormat);
desc.ddpfPixelFormat.dwFlags = DDPF_RGB;
desc.ddpfPixelFormat.u1.dwRGBBitCount = 32;
desc.ddpfPixelFormat.u2.dwRBitMask = 0xff0000;
desc.ddpfPixelFormat.u3.dwGBitMask = 0x00ff00;
desc.ddpfPixelFormat.u4.dwBBitMask = 0x0000ff;
desc.ddpfPixelFormat.u5.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)
SetRect(&object->rect, 0, 0, desc.dwWidth, desc.dwHeight);
}
*ddraw_stream_sample = &object->IDirectDrawStreamSample_iface;
return S_OK;
}
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