[v2 PATCH 2/5] mf: Avoid unnecessary prerolling calls in SAR.
Nikolay Sivov
nsivov at codeweavers.com
Wed May 13 08:42:07 CDT 2020
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/mf/sar.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/dlls/mf/sar.c b/dlls/mf/sar.c
index d5dc0b4f382..66fdf471ade 100644
--- a/dlls/mf/sar.c
+++ b/dlls/mf/sar.c
@@ -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
--
2.26.2
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