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-rwxr-xr-xaudio/out/ao_wasapi_utils.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/audio/out/ao_wasapi_utils.c b/audio/out/ao_wasapi_utils.c
index 93d6fe1874..3c78bb9b98 100755
--- a/audio/out/ao_wasapi_utils.c
+++ b/audio/out/ao_wasapi_utils.c
@@ -458,12 +458,15 @@ static HRESULT fix_format(struct ao *ao)
HRESULT hr;
double offset = 0.5;
- REFERENCE_TIME devicePeriod, bufferDuration;
+ REFERENCE_TIME devicePeriod, bufferDuration, bufferPeriod;
MP_DBG(state, "IAudioClient::GetDevicePeriod\n");
hr = IAudioClient_GetDevicePeriod(state->pAudioClient,&devicePeriod, NULL);
MP_VERBOSE(state, "Device period: %.2g ms\n", (double) devicePeriod / 10000.0 );
+
/* integer multiple of device period close to 50ms */
- bufferDuration = ceil( 50.0 * 10000.0 / devicePeriod ) * devicePeriod;
+ bufferPeriod = bufferDuration = ceil( 50.0 * 10000.0 / devicePeriod ) * devicePeriod;
+ if (state->share_mode == AUDCLNT_SHAREMODE_SHARED)
+ bufferPeriod = 0;
/* cargo cult code to negotiate buffer block size, affected by hardware/drivers combinations,
gradually grow it to 10s, by 0.5s, consider failure if it still doesn't work
@@ -474,7 +477,7 @@ reinit:
state->share_mode,
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
bufferDuration,
- bufferDuration,
+ bufferPeriod,
&(state->format.Format),
NULL);
/* something about buffer sizes on Win7 */