Sweden-Number/dlls/amstream/filter.c

908 lines
24 KiB
C

/*
* Implementation of MediaStream Filter
*
* Copyright 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 COBJMACROS
#include "amstream_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(amstream);
struct enum_pins
{
IEnumPins IEnumPins_iface;
LONG refcount;
IPin **pins;
unsigned int count, index;
};
static const IEnumPinsVtbl enum_pins_vtbl;
static struct enum_pins *impl_from_IEnumPins(IEnumPins *iface)
{
return CONTAINING_RECORD(iface, struct enum_pins, IEnumPins_iface);
}
static HRESULT WINAPI enum_pins_QueryInterface(IEnumPins *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_IEnumPins))
{
IEnumPins_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_pins_AddRef(IEnumPins *iface)
{
struct enum_pins *enum_pins = impl_from_IEnumPins(iface);
ULONG refcount = InterlockedIncrement(&enum_pins->refcount);
TRACE("%p increasing refcount to %u.\n", enum_pins, refcount);
return refcount;
}
static ULONG WINAPI enum_pins_Release(IEnumPins *iface)
{
struct enum_pins *enum_pins = impl_from_IEnumPins(iface);
ULONG refcount = InterlockedDecrement(&enum_pins->refcount);
unsigned int i;
TRACE("%p decreasing refcount to %u.\n", enum_pins, refcount);
if (!refcount)
{
for (i = 0; i < enum_pins->count; ++i)
IPin_Release(enum_pins->pins[i]);
heap_free(enum_pins->pins);
heap_free(enum_pins);
}
return refcount;
}
static HRESULT WINAPI enum_pins_Next(IEnumPins *iface, ULONG count, IPin **pins, ULONG *ret_count)
{
struct enum_pins *enum_pins = impl_from_IEnumPins(iface);
unsigned int i;
TRACE("iface %p, count %u, pins %p, ret_count %p.\n", iface, count, pins, ret_count);
if (!pins || (count > 1 && !ret_count))
return E_POINTER;
for (i = 0; i < count && enum_pins->index < enum_pins->count; ++i)
{
IPin_AddRef(pins[i] = enum_pins->pins[i]);
enum_pins->index++;
}
if (ret_count) *ret_count = i;
return i == count ? S_OK : S_FALSE;
}
static HRESULT WINAPI enum_pins_Skip(IEnumPins *iface, ULONG count)
{
struct enum_pins *enum_pins = impl_from_IEnumPins(iface);
TRACE("iface %p, count %u.\n", iface, count);
enum_pins->index += count;
return enum_pins->index >= enum_pins->count ? S_FALSE : S_OK;
}
static HRESULT WINAPI enum_pins_Reset(IEnumPins *iface)
{
struct enum_pins *enum_pins = impl_from_IEnumPins(iface);
TRACE("iface %p.\n", iface);
enum_pins->index = 0;
return S_OK;
}
static HRESULT WINAPI enum_pins_Clone(IEnumPins *iface, IEnumPins **out)
{
struct enum_pins *enum_pins = impl_from_IEnumPins(iface);
struct enum_pins *object;
unsigned int i;
TRACE("iface %p, out %p.\n", iface, out);
if (!(object = heap_alloc(sizeof(*object))))
return E_OUTOFMEMORY;
object->IEnumPins_iface.lpVtbl = &enum_pins_vtbl;
object->refcount = 1;
object->count = enum_pins->count;
object->index = enum_pins->index;
if (!(object->pins = heap_alloc(enum_pins->count * sizeof(*object->pins))))
{
heap_free(object);
return E_OUTOFMEMORY;
}
for (i = 0; i < enum_pins->count; ++i)
IPin_AddRef(object->pins[i] = enum_pins->pins[i]);
*out = &object->IEnumPins_iface;
return S_OK;
}
static const IEnumPinsVtbl enum_pins_vtbl =
{
enum_pins_QueryInterface,
enum_pins_AddRef,
enum_pins_Release,
enum_pins_Next,
enum_pins_Skip,
enum_pins_Reset,
enum_pins_Clone,
};
struct filter
{
IMediaStreamFilter IMediaStreamFilter_iface;
IMediaSeeking IMediaSeeking_iface;
LONG refcount;
CRITICAL_SECTION cs;
IReferenceClock *clock;
WCHAR name[128];
IFilterGraph *graph;
ULONG nb_streams;
IAMMediaStream **streams;
IAMMediaStream *seekable_stream;
FILTER_STATE state;
REFERENCE_TIME start_time;
};
static inline struct filter *impl_from_IMediaStreamFilter(IMediaStreamFilter *iface)
{
return CONTAINING_RECORD(iface, struct filter, IMediaStreamFilter_iface);
}
static HRESULT WINAPI filter_QueryInterface(IMediaStreamFilter *iface, REFIID iid, void **out)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("filter %p, iid %s, out %p.\n", filter, debugstr_guid(iid), out);
*out = NULL;
if (IsEqualGUID(iid, &IID_IUnknown)
|| IsEqualGUID(iid, &IID_IPersist)
|| IsEqualGUID(iid, &IID_IMediaFilter)
|| IsEqualGUID(iid, &IID_IBaseFilter)
|| IsEqualGUID(iid, &IID_IMediaStreamFilter))
*out = iface;
else if (IsEqualGUID(iid, &IID_IMediaSeeking) && filter->seekable_stream)
*out = &filter->IMediaSeeking_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static ULONG WINAPI filter_AddRef(IMediaStreamFilter *iface)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
ULONG refcount = InterlockedIncrement(&filter->refcount);
TRACE("%p increasing refcount to %u.\n", iface, refcount);
return refcount;
}
static ULONG WINAPI filter_Release(IMediaStreamFilter *iface)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
ULONG refcount = InterlockedDecrement(&filter->refcount);
unsigned int i;
TRACE("%p decreasing refcount to %u.\n", iface, refcount);
if (!refcount)
{
for (i = 0; i < filter->nb_streams; ++i)
{
IAMMediaStream_JoinFilter(filter->streams[i], NULL);
IAMMediaStream_Release(filter->streams[i]);
}
heap_free(filter->streams);
if (filter->clock)
IReferenceClock_Release(filter->clock);
DeleteCriticalSection(&filter->cs);
heap_free(filter);
}
return refcount;
}
static HRESULT WINAPI filter_GetClassID(IMediaStreamFilter *iface, CLSID *clsid)
{
*clsid = CLSID_MediaStreamFilter;
return S_OK;
}
static void set_state(struct filter *filter, FILTER_STATE state)
{
if (filter->state != state)
{
ULONG i;
for (i = 0; i < filter->nb_streams; ++i)
IAMMediaStream_SetState(filter->streams[i], state);
filter->state = state;
}
}
static HRESULT WINAPI filter_Stop(IMediaStreamFilter *iface)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p.\n", iface);
EnterCriticalSection(&filter->cs);
set_state(filter, State_Stopped);
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_Pause(IMediaStreamFilter *iface)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p.\n", iface);
EnterCriticalSection(&filter->cs);
set_state(filter, State_Paused);
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_Run(IMediaStreamFilter *iface, REFERENCE_TIME start)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p, start %s.\n", iface, wine_dbgstr_longlong(start));
EnterCriticalSection(&filter->cs);
filter->start_time = start;
set_state(filter, State_Running);
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_GetState(IMediaStreamFilter *iface, DWORD timeout, FILTER_STATE *state)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p, timeout %u, state %p.\n", iface, timeout, state);
if (!state)
return E_POINTER;
EnterCriticalSection(&filter->cs);
*state = filter->state;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_SetSyncSource(IMediaStreamFilter *iface, IReferenceClock *clock)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p, clock %p.\n", iface, clock);
EnterCriticalSection(&filter->cs);
if (clock)
IReferenceClock_AddRef(clock);
if (filter->clock)
IReferenceClock_Release(filter->clock);
filter->clock = clock;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_GetSyncSource(IMediaStreamFilter *iface, IReferenceClock **clock)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p, clock %p.\n", iface, clock);
EnterCriticalSection(&filter->cs);
if (filter->clock)
IReferenceClock_AddRef(filter->clock);
*clock = filter->clock;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_EnumPins(IMediaStreamFilter *iface, IEnumPins **enum_pins)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
struct enum_pins *object;
unsigned int i;
TRACE("iface %p, enum_pins %p.\n", iface, enum_pins);
if (!enum_pins)
return E_POINTER;
if (!(object = heap_alloc(sizeof(*object))))
return E_OUTOFMEMORY;
EnterCriticalSection(&filter->cs);
object->IEnumPins_iface.lpVtbl = &enum_pins_vtbl;
object->refcount = 1;
object->count = filter->nb_streams;
object->index = 0;
if (!(object->pins = heap_alloc(filter->nb_streams * sizeof(*object->pins))))
{
heap_free(object);
LeaveCriticalSection(&filter->cs);
return E_OUTOFMEMORY;
}
for (i = 0; i < filter->nb_streams; ++i)
{
if (FAILED(IAMMediaStream_QueryInterface(filter->streams[i], &IID_IPin, (void **)&object->pins[i])))
WARN("Stream %p does not support IPin.\n", filter->streams[i]);
}
LeaveCriticalSection(&filter->cs);
*enum_pins = &object->IEnumPins_iface;
return S_OK;
}
static HRESULT WINAPI filter_FindPin(IMediaStreamFilter *iface, const WCHAR *id, IPin **out)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
unsigned int i;
WCHAR *ret_id;
IPin *pin;
TRACE("iface %p, id %s, out %p.\n", iface, debugstr_w(id), out);
EnterCriticalSection(&filter->cs);
for (i = 0; i < filter->nb_streams; ++i)
{
if (FAILED(IAMMediaStream_QueryInterface(filter->streams[i], &IID_IPin, (void **)&pin)))
{
WARN("Stream %p does not support IPin.\n", filter->streams[i]);
continue;
}
if (SUCCEEDED(IPin_QueryId(pin, &ret_id)))
{
if (!wcscmp(id, ret_id))
{
CoTaskMemFree(ret_id);
*out = pin;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
CoTaskMemFree(ret_id);
}
IPin_Release(pin);
}
LeaveCriticalSection(&filter->cs);
return VFW_E_NOT_FOUND;
}
static HRESULT WINAPI filter_QueryFilterInfo(IMediaStreamFilter *iface, FILTER_INFO *info)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p, info %p.\n", iface, info);
EnterCriticalSection(&filter->cs);
wcscpy(info->achName, filter->name);
if (filter->graph)
IFilterGraph_AddRef(filter->graph);
info->pGraph = filter->graph;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_JoinFilterGraph(IMediaStreamFilter *iface,
IFilterGraph *graph, const WCHAR *name)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("iface %p, graph %p, name.%s.\n", iface, graph, debugstr_w(name));
EnterCriticalSection(&filter->cs);
if (name)
wcsncpy(filter->name, name, ARRAY_SIZE(filter->name));
else
filter->name[0] = 0;
filter->graph = graph;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_QueryVendorInfo(IMediaStreamFilter *iface, LPWSTR *vendor_info)
{
WARN("iface %p, vendor_info %p, stub!\n", iface, vendor_info);
return E_NOTIMPL;
}
/*** IMediaStreamFilter methods ***/
static HRESULT WINAPI filter_AddMediaStream(IMediaStreamFilter *iface, IAMMediaStream *pAMMediaStream)
{
struct filter *This = impl_from_IMediaStreamFilter(iface);
IAMMediaStream** streams;
HRESULT hr;
TRACE("(%p)->(%p)\n", iface, pAMMediaStream);
streams = CoTaskMemRealloc(This->streams, (This->nb_streams + 1) * sizeof(IAMMediaStream*));
if (!streams)
return E_OUTOFMEMORY;
This->streams = streams;
hr = IAMMediaStream_JoinFilter(pAMMediaStream, iface);
if (FAILED(hr))
return hr;
This->streams[This->nb_streams] = pAMMediaStream;
This->nb_streams++;
IAMMediaStream_AddRef(pAMMediaStream);
return S_OK;
}
static HRESULT WINAPI filter_GetMediaStream(IMediaStreamFilter *iface, REFMSPID idPurpose, IMediaStream **ppMediaStream)
{
struct filter *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++)
{
IAMMediaStream_GetInformation(This->streams[i], &purpose_id, NULL);
if (IsEqualIID(&purpose_id, idPurpose))
{
*ppMediaStream = (IMediaStream *)This->streams[i];
IMediaStream_AddRef(*ppMediaStream);
return S_OK;
}
}
return MS_E_NOSTREAM;
}
static HRESULT WINAPI filter_EnumMediaStreams(IMediaStreamFilter *iface, LONG index, IMediaStream **stream)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("filter %p, index %d, stream %p.\n", filter, index, stream);
if (index >= filter->nb_streams)
return S_FALSE;
if (!stream)
return E_POINTER;
IMediaStream_AddRef(*stream = (IMediaStream *)filter->streams[index]);
return S_OK;
}
static IMediaSeeking *get_seeking(IAMMediaStream *stream)
{
IMediaSeeking *seeking;
IPin *pin, *peer;
HRESULT hr;
if (FAILED(IAMMediaStream_QueryInterface(stream, &IID_IPin, (void **)&pin)))
{
WARN("Stream %p does not support IPin.\n", stream);
return NULL;
}
hr = IPin_ConnectedTo(pin, &peer);
IPin_Release(pin);
if (FAILED(hr))
return NULL;
hr = IPin_QueryInterface(peer, &IID_IMediaSeeking, (void **)&seeking);
IPin_Release(peer);
if (FAILED(hr))
return NULL;
return seeking;
}
static HRESULT WINAPI filter_SupportSeeking(IMediaStreamFilter *iface, BOOL renderer)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
unsigned int i;
TRACE("filter %p, renderer %d\n", iface, renderer);
if (!renderer)
FIXME("Non-renderer filter support is not yet implemented.\n");
EnterCriticalSection(&filter->cs);
if (filter->seekable_stream)
{
LeaveCriticalSection(&filter->cs);
return HRESULT_FROM_WIN32(ERROR_ALREADY_INITIALIZED);
}
for (i = 0; i < filter->nb_streams; ++i)
{
IMediaSeeking *seeking = get_seeking(filter->streams[i]);
LONGLONG duration;
if (!seeking)
continue;
if (SUCCEEDED(IMediaSeeking_GetDuration(seeking, &duration)))
{
filter->seekable_stream = filter->streams[i];
IMediaSeeking_Release(seeking);
LeaveCriticalSection(&filter->cs);
return S_OK;
}
IMediaSeeking_Release(seeking);
}
LeaveCriticalSection(&filter->cs);
return E_NOINTERFACE;
}
static HRESULT WINAPI filter_ReferenceTimeToStreamTime(IMediaStreamFilter *iface, REFERENCE_TIME *pTime)
{
FIXME("(%p)->(%p): Stub!\n", iface, pTime);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_GetCurrentStreamTime(IMediaStreamFilter *iface, REFERENCE_TIME *time)
{
struct filter *filter = impl_from_IMediaStreamFilter(iface);
TRACE("filter %p, time %p.\n", filter, time);
if (!time)
return E_POINTER;
EnterCriticalSection(&filter->cs);
if (filter->state != State_Running || !filter->clock)
{
*time = 0;
LeaveCriticalSection(&filter->cs);
return S_FALSE;
}
IReferenceClock_GetTime(filter->clock, time);
*time -= filter->start_time;
LeaveCriticalSection(&filter->cs);
return S_OK;
}
static HRESULT WINAPI filter_WaitUntil(IMediaStreamFilter *iface, REFERENCE_TIME WaitStreamTime)
{
FIXME("(%p)->(%s): Stub!\n", iface, wine_dbgstr_longlong(WaitStreamTime));
return E_NOTIMPL;
}
static HRESULT WINAPI filter_Flush(IMediaStreamFilter *iface, BOOL bCancelEOS)
{
FIXME("(%p)->(%d): Stub!\n", iface, bCancelEOS);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_EndOfStream(IMediaStreamFilter *iface)
{
FIXME("(%p)->(): Stub!\n", iface);
return E_NOTIMPL;
}
static const IMediaStreamFilterVtbl filter_vtbl =
{
filter_QueryInterface,
filter_AddRef,
filter_Release,
filter_GetClassID,
filter_Stop,
filter_Pause,
filter_Run,
filter_GetState,
filter_SetSyncSource,
filter_GetSyncSource,
filter_EnumPins,
filter_FindPin,
filter_QueryFilterInfo,
filter_JoinFilterGraph,
filter_QueryVendorInfo,
filter_AddMediaStream,
filter_GetMediaStream,
filter_EnumMediaStreams,
filter_SupportSeeking,
filter_ReferenceTimeToStreamTime,
filter_GetCurrentStreamTime,
filter_WaitUntil,
filter_Flush,
filter_EndOfStream
};
static inline struct filter *impl_from_IMediaSeeking(IMediaSeeking *iface)
{
return CONTAINING_RECORD(iface, struct filter, IMediaSeeking_iface);
}
static HRESULT WINAPI filter_seeking_QueryInterface(IMediaSeeking *iface, REFIID iid, void **out)
{
struct filter *filter = impl_from_IMediaSeeking(iface);
return IMediaStreamFilter_QueryInterface(&filter->IMediaStreamFilter_iface, iid, out);
}
static ULONG WINAPI filter_seeking_AddRef(IMediaSeeking *iface)
{
struct filter *filter = impl_from_IMediaSeeking(iface);
return IMediaStreamFilter_AddRef(&filter->IMediaStreamFilter_iface);
}
static ULONG WINAPI filter_seeking_Release(IMediaSeeking *iface)
{
struct filter *filter = impl_from_IMediaSeeking(iface);
return IMediaStreamFilter_Release(&filter->IMediaStreamFilter_iface);
}
static HRESULT WINAPI filter_seeking_GetCapabilities(IMediaSeeking *iface, DWORD *capabilities)
{
FIXME("iface %p, capabilities %p, stub!\n", iface, capabilities);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_CheckCapabilities(IMediaSeeking *iface, DWORD *capabilities)
{
FIXME("iface %p, capabilities %p, stub!\n", iface, capabilities);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_IsFormatSupported(IMediaSeeking *iface, const GUID *format)
{
FIXME("iface %p, format %s, stub!\n", iface, debugstr_guid(format));
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_QueryPreferredFormat(IMediaSeeking *iface, GUID *format)
{
FIXME("iface %p, format %p, stub!\n", iface, format);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetTimeFormat(IMediaSeeking *iface, GUID *format)
{
FIXME("iface %p, format %p, stub!\n", iface, format);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_IsUsingTimeFormat(IMediaSeeking *iface, const GUID *format)
{
FIXME("iface %p, format %s, stub!\n", iface, debugstr_guid(format));
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_SetTimeFormat(IMediaSeeking *iface, const GUID *format)
{
FIXME("iface %p, format %s, stub!\n", iface, debugstr_guid(format));
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetDuration(IMediaSeeking *iface, LONGLONG *duration)
{
FIXME("iface %p, duration %p, stub!\n", iface, duration);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetStopPosition(IMediaSeeking *iface, LONGLONG *stop)
{
FIXME("iface %p, stop %p, stub!\n", iface, stop);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetCurrentPosition(IMediaSeeking *iface, LONGLONG *current)
{
FIXME("iface %p, current %p, stub!\n", iface, current);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_ConvertTimeFormat(IMediaSeeking *iface, LONGLONG *target,
const GUID *target_format, LONGLONG source, const GUID *source_format)
{
FIXME("iface %p, target %p, target_format %s, source 0x%s, source_format %s, stub!\n", iface, target, debugstr_guid(target_format),
wine_dbgstr_longlong(source), debugstr_guid(source_format));
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_SetPositions(IMediaSeeking *iface, LONGLONG *current_ptr, DWORD current_flags,
LONGLONG *stop_ptr, DWORD stop_flags)
{
struct filter *filter = impl_from_IMediaSeeking(iface);
IMediaSeeking *seeking;
HRESULT hr;
TRACE("iface %p, current %s, current_flags %#x, stop %s, stop_flags %#x.\n", iface,
current_ptr ? wine_dbgstr_longlong(*current_ptr) : "<null>", current_flags,
stop_ptr ? wine_dbgstr_longlong(*stop_ptr): "<null>", stop_flags);
EnterCriticalSection(&filter->cs);
seeking = get_seeking(filter->seekable_stream);
if (!seeking)
{
LeaveCriticalSection(&filter->cs);
return E_NOTIMPL;
}
hr = IMediaSeeking_SetPositions(seeking, current_ptr, current_flags, stop_ptr, stop_flags);
IMediaSeeking_Release(seeking);
LeaveCriticalSection(&filter->cs);
return hr;
}
static HRESULT WINAPI filter_seeking_GetPositions(IMediaSeeking *iface, LONGLONG *current, LONGLONG *stop)
{
FIXME("iface %p, current %p, stop %p, stub!\n", iface, current, stop);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetAvailable(IMediaSeeking *iface, LONGLONG *earliest, LONGLONG *latest)
{
FIXME("iface %p, earliest %p, latest %p, stub!\n", iface, earliest, latest);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_SetRate(IMediaSeeking *iface, double rate)
{
FIXME("iface %p, rate %f, stub!\n", iface, rate);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetRate(IMediaSeeking *iface, double *rate)
{
FIXME("iface %p, rate %p, stub!\n", iface, rate);
return E_NOTIMPL;
}
static HRESULT WINAPI filter_seeking_GetPreroll(IMediaSeeking *iface, LONGLONG *preroll)
{
FIXME("iface %p, preroll %p, stub!\n", iface, preroll);
return E_NOTIMPL;
}
static const IMediaSeekingVtbl filter_seeking_vtbl =
{
filter_seeking_QueryInterface,
filter_seeking_AddRef,
filter_seeking_Release,
filter_seeking_GetCapabilities,
filter_seeking_CheckCapabilities,
filter_seeking_IsFormatSupported,
filter_seeking_QueryPreferredFormat,
filter_seeking_GetTimeFormat,
filter_seeking_IsUsingTimeFormat,
filter_seeking_SetTimeFormat,
filter_seeking_GetDuration,
filter_seeking_GetStopPosition,
filter_seeking_GetCurrentPosition,
filter_seeking_ConvertTimeFormat,
filter_seeking_SetPositions,
filter_seeking_GetPositions,
filter_seeking_GetAvailable,
filter_seeking_SetRate,
filter_seeking_GetRate,
filter_seeking_GetPreroll,
};
HRESULT filter_create(IUnknown *outer, void **out)
{
struct filter *object;
TRACE("outer %p, out %p.\n", outer, out);
if (outer)
return CLASS_E_NOAGGREGATION;
if (!(object = heap_alloc_zero(sizeof(*object))))
return E_OUTOFMEMORY;
object->IMediaStreamFilter_iface.lpVtbl = &filter_vtbl;
object->IMediaSeeking_iface.lpVtbl = &filter_seeking_vtbl;
object->refcount = 1;
InitializeCriticalSection(&object->cs);
object->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MediaStreamFilter.cs");
TRACE("Created media stream filter %p.\n", object);
*out = &object->IMediaStreamFilter_iface;
return S_OK;
}