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--- src/VBox/Devices/Audio/DrvHostOSSAudio.cpp.orig 2020-07-09 16:52:47 UTC
+++ src/VBox/Devices/Audio/DrvHostOSSAudio.cpp
@@ -248,11 +248,11 @@ static int ossStreamOpen(const char *pszDev, int fOpen
break;
default:
- rc = VERR_AUDIO_STREAM_COULD_NOT_CREATE;
+ iFormat = -1;
break;
}
- if (RT_FAILURE(rc))
+ if (RT_UNLIKELY(iFormat == -1))
break;
if (ioctl(hFile, SNDCTL_DSP_SAMPLESIZE, &iFormat))
@@ -660,6 +660,7 @@ static int ossCreateStreamIn(POSSAUDIOSTREAM pStreamOS
pCfgAcq->Backend.cfPeriod = PDMAUDIOSTREAMCFG_B2F(pCfgAcq, ossAcq.cbFragmentSize);
pCfgAcq->Backend.cfBufferSize = pCfgAcq->Backend.cfPeriod * 2; /* Use "double buffering". */
+ pCfgAcq->Backend.cfPreBuf = pCfgAcq->Backend.cfBufferSize;
/** @todo Pre-buffering required? */
}
}
@@ -778,6 +779,7 @@ static int ossCreateStreamOut(POSSAUDIOSTREAM pStreamO
#endif
pCfgAcq->Backend.cfPeriod = PDMAUDIOSTREAMCFG_B2F(pCfgAcq, obtStream.cbFragmentSize);
pCfgAcq->Backend.cfBufferSize = pCfgAcq->Backend.cfPeriod * 2; /* Use "double buffering" */
+ pCfgAcq->Backend.cfPreBuf = pCfgAcq->Backend.cfBufferSize;
}
} while (0);