829 lines
25 KiB
C
829 lines
25 KiB
C
/*
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* Copyright 2019 Nikolay Sivov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "mfapi.h"
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#include "mfidl.h"
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#include "mferror.h"
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#include "mf_private.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mfplat);
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struct sample_grabber;
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struct sample_grabber_stream
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{
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IMFStreamSink IMFStreamSink_iface;
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IMFMediaTypeHandler IMFMediaTypeHandler_iface;
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LONG refcount;
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struct sample_grabber *sink;
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IMFMediaEventQueue *event_queue;
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};
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struct sample_grabber
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{
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IMFMediaSink IMFMediaSink_iface;
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IMFClockStateSink IMFClockStateSink_iface;
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IMFMediaEventGenerator IMFMediaEventGenerator_iface;
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LONG refcount;
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IMFSampleGrabberSinkCallback *callback;
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IMFMediaType *media_type;
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BOOL is_shut_down;
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IMFStreamSink *stream;
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IMFMediaEventQueue *event_queue;
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CRITICAL_SECTION cs;
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};
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struct sample_grabber_activate_context
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{
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IMFMediaType *media_type;
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IMFSampleGrabberSinkCallback *callback;
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};
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static void sample_grabber_free_private(void *user_context)
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{
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struct sample_grabber_activate_context *context = user_context;
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IMFMediaType_Release(context->media_type);
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IMFSampleGrabberSinkCallback_Release(context->callback);
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heap_free(context);
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}
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static struct sample_grabber *impl_from_IMFMediaSink(IMFMediaSink *iface)
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{
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return CONTAINING_RECORD(iface, struct sample_grabber, IMFMediaSink_iface);
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}
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static struct sample_grabber *impl_from_IMFClockStateSink(IMFClockStateSink *iface)
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{
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return CONTAINING_RECORD(iface, struct sample_grabber, IMFClockStateSink_iface);
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}
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static struct sample_grabber *impl_from_IMFMediaEventGenerator(IMFMediaEventGenerator *iface)
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{
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return CONTAINING_RECORD(iface, struct sample_grabber, IMFMediaEventGenerator_iface);
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}
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static struct sample_grabber_stream *impl_from_IMFStreamSink(IMFStreamSink *iface)
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{
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return CONTAINING_RECORD(iface, struct sample_grabber_stream, IMFStreamSink_iface);
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}
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static struct sample_grabber_stream *impl_from_IMFMediaTypeHandler(IMFMediaTypeHandler *iface)
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{
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return CONTAINING_RECORD(iface, struct sample_grabber_stream, IMFMediaTypeHandler_iface);
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}
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static HRESULT WINAPI sample_grabber_stream_QueryInterface(IMFStreamSink *iface, REFIID riid, void **obj)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IMFStreamSink) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*obj = &stream->IMFStreamSink_iface;
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}
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else if (IsEqualIID(riid, &IID_IMFMediaTypeHandler))
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{
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*obj = &stream->IMFMediaTypeHandler_iface;
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}
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else
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{
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WARN("Unsupported %s.\n", debugstr_guid(riid));
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*obj = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown *)*obj);
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return S_OK;
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}
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static ULONG WINAPI sample_grabber_stream_AddRef(IMFStreamSink *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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ULONG refcount = InterlockedIncrement(&stream->refcount);
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TRACE("%p, refcount %u.\n", iface, refcount);
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return refcount;
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}
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static ULONG WINAPI sample_grabber_stream_Release(IMFStreamSink *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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ULONG refcount = InterlockedDecrement(&stream->refcount);
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TRACE("%p, refcount %u.\n", iface, refcount);
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if (!refcount)
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{
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IMFMediaSink_Release(&stream->sink->IMFMediaSink_iface);
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if (stream->event_queue)
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{
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IMFMediaEventQueue_Shutdown(stream->event_queue);
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IMFMediaEventQueue_Release(stream->event_queue);
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}
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heap_free(stream);
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}
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return refcount;
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}
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static HRESULT WINAPI sample_grabber_stream_GetEvent(IMFStreamSink *iface, DWORD flags, IMFMediaEvent **event)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %#x, %p.\n", iface, flags, event);
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return IMFMediaEventQueue_GetEvent(stream->event_queue, flags, event);
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}
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static HRESULT WINAPI sample_grabber_stream_BeginGetEvent(IMFStreamSink *iface, IMFAsyncCallback *callback,
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IUnknown *state)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %p, %p.\n", iface, callback, state);
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return IMFMediaEventQueue_BeginGetEvent(stream->event_queue, callback, state);
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}
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static HRESULT WINAPI sample_grabber_stream_EndGetEvent(IMFStreamSink *iface, IMFAsyncResult *result,
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IMFMediaEvent **event)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %p, %p.\n", iface, result, event);
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return IMFMediaEventQueue_EndGetEvent(stream->event_queue, result, event);
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}
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static HRESULT WINAPI sample_grabber_stream_QueueEvent(IMFStreamSink *iface, MediaEventType event_type,
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REFGUID ext_type, HRESULT hr, const PROPVARIANT *value)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %u, %s, %#x, %p.\n", iface, event_type, debugstr_guid(ext_type), hr, value);
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return IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, event_type, ext_type, hr, value);
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}
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static HRESULT WINAPI sample_grabber_stream_GetMediaSink(IMFStreamSink *iface, IMFMediaSink **sink)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %p.\n", iface, sink);
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*sink = &stream->sink->IMFMediaSink_iface;
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IMFMediaSink_AddRef(*sink);
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_stream_GetIdentifier(IMFStreamSink *iface, DWORD *identifier)
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{
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TRACE("%p, %p.\n", iface, identifier);
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*identifier = 0;
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_stream_GetMediaTypeHandler(IMFStreamSink *iface, IMFMediaTypeHandler **handler)
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{
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struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
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TRACE("%p, %p.\n", iface, handler);
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*handler = &stream->IMFMediaTypeHandler_iface;
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IMFMediaTypeHandler_AddRef(*handler);
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_stream_ProcessSample(IMFStreamSink *iface, IMFSample *sample)
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{
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FIXME("%p, %p.\n", iface, sample);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI sample_grabber_stream_PlaceMarker(IMFStreamSink *iface, MFSTREAMSINK_MARKER_TYPE marker_type,
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const PROPVARIANT *marker_value, const PROPVARIANT *context_value)
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{
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FIXME("%p, %d, %p, %p.\n", iface, marker_type, marker_value, context_value);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI sample_grabber_stream_Flush(IMFStreamSink *iface)
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{
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FIXME("%p.\n", iface);
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return E_NOTIMPL;
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}
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static const IMFStreamSinkVtbl sample_grabber_stream_vtbl =
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{
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sample_grabber_stream_QueryInterface,
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sample_grabber_stream_AddRef,
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sample_grabber_stream_Release,
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sample_grabber_stream_GetEvent,
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sample_grabber_stream_BeginGetEvent,
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sample_grabber_stream_EndGetEvent,
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sample_grabber_stream_QueueEvent,
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sample_grabber_stream_GetMediaSink,
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sample_grabber_stream_GetIdentifier,
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sample_grabber_stream_GetMediaTypeHandler,
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sample_grabber_stream_ProcessSample,
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sample_grabber_stream_PlaceMarker,
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sample_grabber_stream_Flush,
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};
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static HRESULT WINAPI sample_grabber_stream_type_handler_QueryInterface(IMFMediaTypeHandler *iface, REFIID riid,
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void **obj)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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return IMFStreamSink_QueryInterface(&stream->IMFStreamSink_iface, riid, obj);
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}
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static ULONG WINAPI sample_grabber_stream_type_handler_AddRef(IMFMediaTypeHandler *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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return IMFStreamSink_AddRef(&stream->IMFStreamSink_iface);
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}
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static ULONG WINAPI sample_grabber_stream_type_handler_Release(IMFMediaTypeHandler *iface)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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return IMFStreamSink_Release(&stream->IMFStreamSink_iface);
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}
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static HRESULT WINAPI sample_grabber_stream_type_handler_IsMediaTypeSupported(IMFMediaTypeHandler *iface,
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IMFMediaType *in_type, IMFMediaType **out_type)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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const DWORD supported_flags = MF_MEDIATYPE_EQUAL_MAJOR_TYPES | MF_MEDIATYPE_EQUAL_FORMAT_TYPES;
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DWORD flags;
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TRACE("%p, %p, %p.\n", iface, in_type, out_type);
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if (!in_type)
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return E_POINTER;
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if (IMFMediaType_IsEqual(stream->sink->media_type, in_type, &flags) == S_OK)
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return S_OK;
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return (flags & supported_flags) == supported_flags ? S_OK : MF_E_INVALIDMEDIATYPE;
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}
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static HRESULT WINAPI sample_grabber_stream_type_handler_GetMediaTypeCount(IMFMediaTypeHandler *iface, DWORD *count)
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{
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TRACE("%p, %p.\n", iface, count);
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if (!count)
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return E_POINTER;
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*count = 0;
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_stream_type_handler_GetMediaTypeByIndex(IMFMediaTypeHandler *iface, DWORD index,
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IMFMediaType **media_type)
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{
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TRACE("%p, %u, %p.\n", iface, index, media_type);
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if (!media_type)
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return E_POINTER;
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return MF_E_NO_MORE_TYPES;
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}
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static HRESULT WINAPI sample_grabber_stream_type_handler_SetCurrentMediaType(IMFMediaTypeHandler *iface,
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IMFMediaType *media_type)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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TRACE("%p, %p.\n", iface, media_type);
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if (!media_type)
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return E_POINTER;
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IMFMediaType_Release(stream->sink->media_type);
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stream->sink->media_type = media_type;
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IMFMediaType_AddRef(stream->sink->media_type);
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_stream_type_handler_GetCurrentMediaType(IMFMediaTypeHandler *iface,
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IMFMediaType **type)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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TRACE("%p, %p.\n", iface, type);
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*type = stream->sink->media_type;
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IMFMediaType_AddRef(*type);
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_stream_type_handler_GetMajorType(IMFMediaTypeHandler *iface, GUID *type)
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{
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struct sample_grabber_stream *stream = impl_from_IMFMediaTypeHandler(iface);
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TRACE("%p, %p.\n", iface, type);
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return IMFMediaType_GetMajorType(stream->sink->media_type, type);
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}
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static const IMFMediaTypeHandlerVtbl sample_grabber_stream_type_handler_vtbl =
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{
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sample_grabber_stream_type_handler_QueryInterface,
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sample_grabber_stream_type_handler_AddRef,
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sample_grabber_stream_type_handler_Release,
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sample_grabber_stream_type_handler_IsMediaTypeSupported,
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sample_grabber_stream_type_handler_GetMediaTypeCount,
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sample_grabber_stream_type_handler_GetMediaTypeByIndex,
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sample_grabber_stream_type_handler_SetCurrentMediaType,
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sample_grabber_stream_type_handler_GetCurrentMediaType,
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sample_grabber_stream_type_handler_GetMajorType,
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};
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static HRESULT WINAPI sample_grabber_sink_QueryInterface(IMFMediaSink *iface, REFIID riid, void **obj)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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TRACE("%p, %s, %p.\n", iface, debugstr_guid(riid), obj);
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if (IsEqualIID(riid, &IID_IMFMediaSink) ||
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IsEqualIID(riid, &IID_IUnknown))
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{
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*obj = &grabber->IMFMediaSink_iface;
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}
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else if (IsEqualIID(riid, &IID_IMFClockStateSink))
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{
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*obj = &grabber->IMFClockStateSink_iface;
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}
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else if (IsEqualIID(riid, &IID_IMFMediaEventGenerator))
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{
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*obj = &grabber->IMFMediaEventGenerator_iface;
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}
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else
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{
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WARN("Unsupported %s.\n", debugstr_guid(riid));
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*obj = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown *)*obj);
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return S_OK;
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}
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static ULONG WINAPI sample_grabber_sink_AddRef(IMFMediaSink *iface)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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ULONG refcount = InterlockedIncrement(&grabber->refcount);
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TRACE("%p, refcount %u.\n", iface, refcount);
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return refcount;
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}
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static ULONG WINAPI sample_grabber_sink_Release(IMFMediaSink *iface)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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ULONG refcount = InterlockedDecrement(&grabber->refcount);
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TRACE("%p, refcount %u.\n", iface, refcount);
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if (!refcount)
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{
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IMFSampleGrabberSinkCallback_Release(grabber->callback);
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IMFMediaType_Release(grabber->media_type);
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if (grabber->event_queue)
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{
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IMFMediaEventQueue_Shutdown(grabber->event_queue);
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IMFMediaEventQueue_Release(grabber->event_queue);
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}
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DeleteCriticalSection(&grabber->cs);
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heap_free(grabber);
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}
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return refcount;
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}
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static HRESULT WINAPI sample_grabber_sink_GetCharacteristics(IMFMediaSink *iface, DWORD *flags)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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TRACE("%p, %p.\n", iface, flags);
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if (grabber->is_shut_down)
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return MF_E_SHUTDOWN;
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*flags = MEDIASINK_FIXED_STREAMS;
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return S_OK;
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}
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static HRESULT WINAPI sample_grabber_sink_AddStreamSink(IMFMediaSink *iface, DWORD stream_sink_id,
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IMFMediaType *media_type, IMFStreamSink **stream_sink)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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TRACE("%p, %#x, %p, %p.\n", iface, stream_sink_id, media_type, stream_sink);
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return grabber->is_shut_down ? MF_E_SHUTDOWN : MF_E_STREAMSINKS_FIXED;
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}
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static HRESULT WINAPI sample_grabber_sink_RemoveStreamSink(IMFMediaSink *iface, DWORD stream_sink_id)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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TRACE("%p, %#x.\n", iface, stream_sink_id);
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return grabber->is_shut_down ? MF_E_SHUTDOWN : MF_E_STREAMSINKS_FIXED;
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}
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static HRESULT WINAPI sample_grabber_sink_GetStreamSinkCount(IMFMediaSink *iface, DWORD *count)
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{
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struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
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TRACE("%p, %p.\n", iface, count);
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if (grabber->is_shut_down)
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return MF_E_SHUTDOWN;
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*count = 1;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_sink_GetStreamSinkByIndex(IMFMediaSink *iface, DWORD index,
|
|
IMFStreamSink **stream)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("%p, %u, %p.\n", iface, index, stream);
|
|
|
|
if (grabber->is_shut_down)
|
|
return MF_E_SHUTDOWN;
|
|
|
|
EnterCriticalSection(&grabber->cs);
|
|
|
|
if (grabber->is_shut_down)
|
|
hr = MF_E_SHUTDOWN;
|
|
else if (index > 0)
|
|
hr = MF_E_INVALIDINDEX;
|
|
else
|
|
{
|
|
*stream = grabber->stream;
|
|
IMFStreamSink_AddRef(*stream);
|
|
}
|
|
|
|
LeaveCriticalSection(&grabber->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_sink_GetStreamSinkById(IMFMediaSink *iface, DWORD stream_sink_id,
|
|
IMFStreamSink **stream)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("%p, %#x, %p.\n", iface, stream_sink_id, stream);
|
|
|
|
EnterCriticalSection(&grabber->cs);
|
|
|
|
if (grabber->is_shut_down)
|
|
hr = MF_E_SHUTDOWN;
|
|
else if (stream_sink_id > 0)
|
|
hr = MF_E_INVALIDSTREAMNUMBER;
|
|
else
|
|
{
|
|
*stream = grabber->stream;
|
|
IMFStreamSink_AddRef(*stream);
|
|
}
|
|
|
|
LeaveCriticalSection(&grabber->cs);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_sink_SetPresentationClock(IMFMediaSink *iface, IMFPresentationClock *clock)
|
|
{
|
|
FIXME("%p, %p.\n", iface, clock);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_sink_GetPresentationClock(IMFMediaSink *iface, IMFPresentationClock **clock)
|
|
{
|
|
FIXME("%p, %p.\n", iface, clock);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_sink_Shutdown(IMFMediaSink *iface)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaSink(iface);
|
|
|
|
TRACE("%p.\n", iface);
|
|
|
|
if (grabber->is_shut_down)
|
|
return MF_E_SHUTDOWN;
|
|
|
|
EnterCriticalSection(&grabber->cs);
|
|
grabber->is_shut_down = TRUE;
|
|
IMFStreamSink_Release(grabber->stream);
|
|
grabber->stream = NULL;
|
|
EnterCriticalSection(&grabber->cs);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IMFMediaSinkVtbl sample_grabber_sink_vtbl =
|
|
{
|
|
sample_grabber_sink_QueryInterface,
|
|
sample_grabber_sink_AddRef,
|
|
sample_grabber_sink_Release,
|
|
sample_grabber_sink_GetCharacteristics,
|
|
sample_grabber_sink_AddStreamSink,
|
|
sample_grabber_sink_RemoveStreamSink,
|
|
sample_grabber_sink_GetStreamSinkCount,
|
|
sample_grabber_sink_GetStreamSinkByIndex,
|
|
sample_grabber_sink_GetStreamSinkById,
|
|
sample_grabber_sink_SetPresentationClock,
|
|
sample_grabber_sink_GetPresentationClock,
|
|
sample_grabber_sink_Shutdown,
|
|
};
|
|
|
|
static HRESULT WINAPI sample_grabber_clock_sink_QueryInterface(IMFClockStateSink *iface, REFIID riid, void **obj)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFClockStateSink(iface);
|
|
return IMFMediaSink_QueryInterface(&grabber->IMFMediaSink_iface, riid, obj);
|
|
}
|
|
|
|
static ULONG WINAPI sample_grabber_clock_sink_AddRef(IMFClockStateSink *iface)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFClockStateSink(iface);
|
|
return IMFMediaSink_AddRef(&grabber->IMFMediaSink_iface);
|
|
}
|
|
|
|
static ULONG WINAPI sample_grabber_clock_sink_Release(IMFClockStateSink *iface)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFClockStateSink(iface);
|
|
return IMFMediaSink_Release(&grabber->IMFMediaSink_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_clock_sink_OnClockStart(IMFClockStateSink *iface, MFTIME systime, LONGLONG offset)
|
|
{
|
|
FIXME("%p, %s, %s.\n", iface, wine_dbgstr_longlong(systime), wine_dbgstr_longlong(offset));
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_clock_sink_OnClockStop(IMFClockStateSink *iface, MFTIME systime)
|
|
{
|
|
FIXME("%p, %s.\n", iface, wine_dbgstr_longlong(systime));
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_clock_sink_OnClockPause(IMFClockStateSink *iface, MFTIME systime)
|
|
{
|
|
FIXME("%p, %s.\n", iface, wine_dbgstr_longlong(systime));
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_clock_sink_OnClockRestart(IMFClockStateSink *iface, MFTIME systime)
|
|
{
|
|
FIXME("%p, %s.\n", iface, wine_dbgstr_longlong(systime));
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_clock_sink_OnClockSetRate(IMFClockStateSink *iface, MFTIME systime, float rate)
|
|
{
|
|
FIXME("%p, %s, %f.\n", iface, wine_dbgstr_longlong(systime), rate);
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_events_QueryInterface(IMFMediaEventGenerator *iface, REFIID riid, void **obj)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
return IMFMediaSink_QueryInterface(&grabber->IMFMediaSink_iface, riid, obj);
|
|
}
|
|
|
|
static ULONG WINAPI sample_grabber_events_AddRef(IMFMediaEventGenerator *iface)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
return IMFMediaSink_AddRef(&grabber->IMFMediaSink_iface);
|
|
}
|
|
|
|
static ULONG WINAPI sample_grabber_events_Release(IMFMediaEventGenerator *iface)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
return IMFMediaSink_Release(&grabber->IMFMediaSink_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_events_GetEvent(IMFMediaEventGenerator *iface, DWORD flags, IMFMediaEvent **event)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
|
|
TRACE("%p, %#x, %p.\n", iface, flags, event);
|
|
|
|
return IMFMediaEventQueue_GetEvent(grabber->event_queue, flags, event);
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_events_BeginGetEvent(IMFMediaEventGenerator *iface, IMFAsyncCallback *callback,
|
|
IUnknown *state)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
|
|
TRACE("%p, %p, %p.\n", iface, callback, state);
|
|
|
|
return IMFMediaEventQueue_BeginGetEvent(grabber->event_queue, callback, state);
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_events_EndGetEvent(IMFMediaEventGenerator *iface, IMFAsyncResult *result,
|
|
IMFMediaEvent **event)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
|
|
TRACE("%p, %p, %p.\n", iface, result, event);
|
|
|
|
return IMFMediaEventQueue_EndGetEvent(grabber->event_queue, result, event);
|
|
}
|
|
|
|
static HRESULT WINAPI sample_grabber_events_QueueEvent(IMFMediaEventGenerator *iface, MediaEventType event_type,
|
|
REFGUID ext_type, HRESULT hr, const PROPVARIANT *value)
|
|
{
|
|
struct sample_grabber *grabber = impl_from_IMFMediaEventGenerator(iface);
|
|
|
|
TRACE("%p, %u, %s, %#x, %p.\n", iface, event_type, debugstr_guid(ext_type), hr, value);
|
|
|
|
return IMFMediaEventQueue_QueueEventParamVar(grabber->event_queue, event_type, ext_type, hr, value);
|
|
}
|
|
|
|
static const IMFMediaEventGeneratorVtbl sample_grabber_sink_events_vtbl =
|
|
{
|
|
sample_grabber_events_QueryInterface,
|
|
sample_grabber_events_AddRef,
|
|
sample_grabber_events_Release,
|
|
sample_grabber_events_GetEvent,
|
|
sample_grabber_events_BeginGetEvent,
|
|
sample_grabber_events_EndGetEvent,
|
|
sample_grabber_events_QueueEvent,
|
|
};
|
|
|
|
static const IMFClockStateSinkVtbl sample_grabber_clock_sink_vtbl =
|
|
{
|
|
sample_grabber_clock_sink_QueryInterface,
|
|
sample_grabber_clock_sink_AddRef,
|
|
sample_grabber_clock_sink_Release,
|
|
sample_grabber_clock_sink_OnClockStart,
|
|
sample_grabber_clock_sink_OnClockStop,
|
|
sample_grabber_clock_sink_OnClockPause,
|
|
sample_grabber_clock_sink_OnClockRestart,
|
|
sample_grabber_clock_sink_OnClockSetRate,
|
|
};
|
|
|
|
static HRESULT sample_grabber_create_stream(struct sample_grabber *sink, IMFStreamSink **stream)
|
|
{
|
|
struct sample_grabber_stream *object;
|
|
HRESULT hr;
|
|
|
|
object = heap_alloc_zero(sizeof(*object));
|
|
if (!object)
|
|
return E_OUTOFMEMORY;
|
|
|
|
object->IMFStreamSink_iface.lpVtbl = &sample_grabber_stream_vtbl;
|
|
object->IMFMediaTypeHandler_iface.lpVtbl = &sample_grabber_stream_type_handler_vtbl;
|
|
object->refcount = 1;
|
|
object->sink = sink;
|
|
IMFMediaSink_AddRef(&object->sink->IMFMediaSink_iface);
|
|
|
|
if (FAILED(hr = MFCreateEventQueue(&object->event_queue)))
|
|
goto failed;
|
|
|
|
*stream = &object->IMFStreamSink_iface;
|
|
|
|
return S_OK;
|
|
|
|
failed:
|
|
IMFStreamSink_Release(&object->IMFStreamSink_iface);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT sample_grabber_create_object(IMFAttributes *attributes, void *user_context, IUnknown **obj)
|
|
{
|
|
struct sample_grabber_activate_context *context = user_context;
|
|
struct sample_grabber *object;
|
|
HRESULT hr;
|
|
GUID guid;
|
|
|
|
TRACE("%p, %p, %p.\n", attributes, user_context, obj);
|
|
|
|
/* At least major type is required. */
|
|
if (FAILED(IMFMediaType_GetMajorType(context->media_type, &guid)))
|
|
return MF_E_INVALIDMEDIATYPE;
|
|
|
|
object = heap_alloc_zero(sizeof(*object));
|
|
if (!object)
|
|
return E_OUTOFMEMORY;
|
|
|
|
object->IMFMediaSink_iface.lpVtbl = &sample_grabber_sink_vtbl;
|
|
object->IMFClockStateSink_iface.lpVtbl = &sample_grabber_clock_sink_vtbl;
|
|
object->IMFMediaEventGenerator_iface.lpVtbl = &sample_grabber_sink_events_vtbl;
|
|
object->refcount = 1;
|
|
object->callback = context->callback;
|
|
IMFSampleGrabberSinkCallback_AddRef(object->callback);
|
|
object->media_type = context->media_type;
|
|
IMFMediaType_AddRef(object->media_type);
|
|
InitializeCriticalSection(&object->cs);
|
|
|
|
if (FAILED(hr = sample_grabber_create_stream(object, &object->stream)))
|
|
goto failed;
|
|
|
|
if (FAILED(hr = MFCreateEventQueue(&object->event_queue)))
|
|
goto failed;
|
|
|
|
*obj = (IUnknown *)&object->IMFMediaSink_iface;
|
|
|
|
TRACE("Created %p.\n", *obj);
|
|
|
|
return S_OK;
|
|
|
|
failed:
|
|
|
|
IMFMediaSink_Release(&object->IMFMediaSink_iface);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static const struct activate_funcs sample_grabber_activate_funcs =
|
|
{
|
|
sample_grabber_create_object,
|
|
sample_grabber_free_private,
|
|
};
|
|
|
|
/***********************************************************************
|
|
* MFCreateSampleGrabberSinkActivate (mf.@)
|
|
*/
|
|
HRESULT WINAPI MFCreateSampleGrabberSinkActivate(IMFMediaType *media_type, IMFSampleGrabberSinkCallback *callback,
|
|
IMFActivate **activate)
|
|
{
|
|
struct sample_grabber_activate_context *context;
|
|
HRESULT hr;
|
|
|
|
TRACE("%p, %p, %p.\n", media_type, callback, activate);
|
|
|
|
if (!media_type || !callback || !activate)
|
|
return E_POINTER;
|
|
|
|
context = heap_alloc_zero(sizeof(*context));
|
|
if (!context)
|
|
return E_OUTOFMEMORY;
|
|
|
|
context->media_type = media_type;
|
|
IMFMediaType_AddRef(context->media_type);
|
|
context->callback = callback;
|
|
IMFSampleGrabberSinkCallback_AddRef(context->callback);
|
|
|
|
if (FAILED(hr = create_activation_object(context, &sample_grabber_activate_funcs, activate)))
|
|
sample_grabber_free_private(context);
|
|
|
|
return hr;
|
|
}
|