Changeset 54811 in vbox

Timestamp:

Mar 17, 2015 1:11:38 PM (10 years ago)

Author:

vboxsync

Message:

Audio/Alsa: Fix endless loop (hopefully in the correct way)

File:

• trunk/src/VBox/Devices/Audio/DrvHostALSAAudio.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Audio/DrvHostALSAAudio.cpp

@@ -836 +836 @@
     snd_pcm_sframes_t cRead;
 
-    while (cbToRead)
+    while (   cbToRead
+           && RT_SUCCESS(rc))
     {
         cToRead = RT_MIN(AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, cbToRead),
@@ -854 +855 @@
 
                 case -EAGAIN:
+                    /*
+                     * Don't set error here because EAGAIN means there are no ffurther rames
+                     * available at the moment, try later. As we might have read some frames
+                     * already the need to be processed.
+                     */
+                    cbToRead = 0;
                     break;