Attachment 214798 Details for Bug 233301 – Patch for testing audio in guest OS

[patch] Patch for testing audio in guest OS

virtualbox-ose-5.2.34.patch (text/plain), 1.26 KB, created by Andrey Russev on 2020-05-23 23:32:56 UTC

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Creator: Andrey Russev

Created: 2020-05-23 23:32:56 UTC

Size: 1.26 KB

patch

obsolete

>--- VirtualBox-5.2.34/src/VBox/Devices/Audio/DrvHostOSSAudio.cpp.orig	2019-10-10 21:09:31.000000000 +0300
>+++ VirtualBox-5.2.34/src/VBox/Devices/Audio/DrvHostOSSAudio.cpp	2020-05-24 01:15:17.346032000 +0300
>@@ -248,11 +248,11 @@
>                 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 @@
> 
>                 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 @@
> #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);

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