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mf: Raise sample request events for sample grabber stream. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-06-07 16:08:58 +03:00 committed by Alexandre Julliard
parent c7badafb9c
commit 5371d6b82b
1 changed files with 13 additions and 0 deletions
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13
dlls/mf/samplegrabber.c
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@ -613,6 +613,11 @@ static struct scheduled_sample *stream_get_next_sample(struct sample_grabber_str
return sample;
}
static void sample_grabber_stream_request_sample(struct sample_grabber_stream *stream)
{
IMFStreamSink_QueueEvent(&stream->IMFStreamSink_iface, MEStreamSinkRequestSample, &GUID_NULL, S_OK, NULL);
}
static HRESULT WINAPI sample_grabber_stream_timer_callback_Invoke(IMFAsyncCallback *iface, IMFAsyncResult *result)
{
struct sample_grabber_stream *stream = impl_from_IMFAsyncCallback(iface);
@ -634,6 +639,7 @@ static HRESULT WINAPI sample_grabber_stream_timer_callback_Invoke(IMFAsyncCallba
if (FAILED(hr = stream_schedule_sample(stream, sample)))
WARN("Failed to schedule a sample, hr %#x.\n", hr);
}
sample_grabber_stream_request_sample(stream);
}
LeaveCriticalSection(&stream->cs);
@ -950,6 +956,7 @@ static void sample_grabber_set_state(struct sample_grabber *grabber, enum sink_s
MEStreamSinkStarted, /* SINK_STATE_RUNNING */
};
BOOL set_state = FALSE;
unsigned int i;
EnterCriticalSection(&grabber->cs);
@ -970,6 +977,12 @@ static void sample_grabber_set_state(struct sample_grabber *grabber, enum sink_s
if (set_state)
{
grabber->stream->state = state;
if (state == SINK_STATE_RUNNING)
{
/* Every transition to running state sends a bunch requests to build up initial queue. */
for (i = 0; i < 4; ++i)
sample_grabber_stream_request_sample(grabber->stream);
}
IMFStreamSink_QueueEvent(&grabber->stream->IMFStreamSink_iface, events[state], &GUID_NULL, S_OK, NULL);
}
}