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mf: Avoid unnecessary prerolling calls in SAR. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2020-05-13 16:42:07 +03:00 committed by Alexandre Julliard
parent 333e3a53d5
commit bd1bfd2c8a
1 changed files with 8 additions and 1 deletions
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9
dlls/mf/sar.c
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@ -41,6 +41,7 @@ enum stream_state
enum audio_renderer_flags
{
SAR_SHUT_DOWN = 0x1,
SAR_PREROLLED = 0x2,
};
struct audio_renderer
@ -179,6 +180,7 @@ static void audio_renderer_release_audio_client(struct audio_renderer *renderer)
if (renderer->audio_volume)
ISimpleAudioVolume_Release(renderer->audio_volume);
renderer->audio_volume = NULL;
renderer->flags &= ~SAR_PREROLLED;
}
static ULONG WINAPI audio_renderer_sink_Release(IMFMediaSink *iface)
@ -409,10 +411,14 @@ static const IMFMediaSinkVtbl audio_renderer_sink_vtbl =
static void audio_renderer_preroll(struct audio_renderer *renderer)
{
int i;
unsigned int i;
if (renderer->flags & SAR_PREROLLED)
return;
for (i = 0; i < 2; ++i)
IMFMediaEventQueue_QueueEventParamVar(renderer->stream_event_queue, MEStreamSinkRequestSample, &GUID_NULL, S_OK, NULL);
renderer->flags |= SAR_PREROLLED;
}
static HRESULT WINAPI audio_renderer_preroll_QueryInterface(IMFMediaSinkPreroll *iface, REFIID riid, void **obj)
@ -586,6 +592,7 @@ static HRESULT WINAPI audio_renderer_clock_sink_OnClockStop(IMFClockStateSink *i
else
WARN("Failed to stop audio client, hr %#x.\n", hr);
renderer->state = STREAM_STATE_STOPPED;
renderer->flags &= ~SAR_PREROLLED;
}
}
else