Changeset 5846 for pjproject/trunk/pjmedia/src/pjmedia-audiodev/alsa_dev.c

Timestamp:

Jul 27, 2018 2:58:41 AM (6 years ago)

Author:

ming

Message:

Re #2059 (misc): List ALSA audio device even if it fails to open

If an ALSA audio device cannot be opened for recording and playback, it may mean that they are temporarily busy (such as currently being used by another app), so we should still list it.

Thanks to Tobias Schneider for the patch.

File:

• pjproject/trunk/pjmedia/src/pjmedia-audiodev/alsa_dev.c (modified) (1 diff)

pjproject/trunk/pjmedia/src/pjmedia-audiodev/alsa_dev.c

@@ -244 +244 @@
     /* Check if the device could be opened in playback or capture mode */
     if (pb_result<0 && ca_result<0) {
-        TRACE_((THIS_FILE, "Unable to open sound device %s", dev_name));
-        return PJMEDIA_EAUD_NODEV;
+        TRACE_((THIS_FILE, "Unable to open sound device %s, setting "
+                           "in/out channel count to 0", dev_name));
+        /* Set I/O channel counts to 0 to indicate unavailable device */
+        adi->output_count = 0;
+        adi->input_count =  0;
     }