[v2 PATCH 4/5] mf: Add events support for grabber stream.
Nikolay Sivov
nsivov at codeweavers.com
Mon May 20 07:22:31 CDT 2019
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/mf/samplegrabber.c | 37 +++++++++++++++++++++++++++++--------
1 file changed, 29 insertions(+), 8 deletions(-)
diff --git a/dlls/mf/samplegrabber.c b/dlls/mf/samplegrabber.c
index f0b23241e0..a94b825ba8 100644
--- a/dlls/mf/samplegrabber.c
+++ b/dlls/mf/samplegrabber.c
@@ -18,6 +18,7 @@
#define COBJMACROS
+#include "mfapi.h"
#include "mfidl.h"
#include "mferror.h"
#include "mf_private.h"
@@ -33,6 +34,7 @@ struct sample_grabber_stream
IMFMediaTypeHandler IMFMediaTypeHandler_iface;
LONG refcount;
IMFMediaSink *sink;
+ IMFMediaEventQueue *event_queue;
};
struct sample_grabber
@@ -128,6 +130,8 @@ static ULONG WINAPI sample_grabber_stream_Release(IMFStreamSink *iface)
if (!refcount)
{
IMFMediaSink_Release(stream->sink);
+ IMFMediaEventQueue_Shutdown(stream->event_queue);
+ IMFMediaEventQueue_Release(stream->event_queue);
heap_free(stream);
}
@@ -136,33 +140,41 @@ static ULONG WINAPI sample_grabber_stream_Release(IMFStreamSink *iface)
static HRESULT WINAPI sample_grabber_stream_GetEvent(IMFStreamSink *iface, DWORD flags, IMFMediaEvent **event)
{
- FIXME("%p, %#x, %p.\n", iface, flags, event);
+ struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
- return E_NOTIMPL;
+ TRACE("%p, %#x, %p.\n", iface, flags, event);
+
+ return IMFMediaEventQueue_GetEvent(stream->event_queue, flags, event);
}
static HRESULT WINAPI sample_grabber_stream_BeginGetEvent(IMFStreamSink *iface, IMFAsyncCallback *callback,
IUnknown *state)
{
- FIXME("%p, %p, %p.\n", iface, callback, state);
+ struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
- return E_NOTIMPL;
+ TRACE("%p, %p, %p.\n", iface, callback, state);
+
+ return IMFMediaEventQueue_BeginGetEvent(stream->event_queue, callback, state);
}
static HRESULT WINAPI sample_grabber_stream_EndGetEvent(IMFStreamSink *iface, IMFAsyncResult *result,
IMFMediaEvent **event)
{
- FIXME("%p, %p, %p.\n", iface, result, event);
+ struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
- return E_NOTIMPL;
+ TRACE("%p, %p, %p.\n", iface, result, event);
+
+ return IMFMediaEventQueue_EndGetEvent(stream->event_queue, result, event);
}
static HRESULT WINAPI sample_grabber_stream_QueueEvent(IMFStreamSink *iface, MediaEventType event_type,
REFGUID ext_type, HRESULT hr, const PROPVARIANT *value)
{
- FIXME("%p, %u, %s, %#x, %p.\n", iface, event_type, debugstr_guid(ext_type), hr, value);
+ struct sample_grabber_stream *stream = impl_from_IMFStreamSink(iface);
- return E_NOTIMPL;
+ TRACE("%p, %u, %s, %#x, %p.\n", iface, event_type, debugstr_guid(ext_type), hr, value);
+
+ return IMFMediaEventQueue_QueueEventParamVar(stream->event_queue, event_type, ext_type, hr, value);
}
static HRESULT WINAPI sample_grabber_stream_GetMediaSink(IMFStreamSink *iface, IMFMediaSink **sink)
@@ -586,6 +598,7 @@ static const IMFClockStateSinkVtbl sample_grabber_clock_sink_vtbl =
static HRESULT sample_grabber_create_stream(IMFMediaSink *sink, IMFStreamSink **stream)
{
struct sample_grabber_stream *object;
+ HRESULT hr;
object = heap_alloc_zero(sizeof(*object));
if (!object)
@@ -597,9 +610,17 @@ static HRESULT sample_grabber_create_stream(IMFMediaSink *sink, IMFStreamSink **
object->sink = sink;
IMFMediaSink_AddRef(object->sink);
+ 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)
--
2.20.1
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