Ticket #3086: mythtv_unmute.patch

libs/libmythtv/NuppelVideoRecorder.cpp

@@ -949 +949 @@
             InitFilters();
             DoV4L2();
             return false;
-        }
+        } else { /* V4L2 needs unmuting */
+         struct v4l2_control vc;
+         memset(&vc, 0, sizeof(vc));
+         vc.id = V4L2_CID_AUDIO_MUTE;
+         vc.value = 0;
+         if (ioctl(fd, VIDIOC_S_CTRL, &vc) < 0)
+           perror("VIDIOC_S_CTRL:V4L2_CID_AUDIO_MUTE");
+       }
+
     }
 
     channelfd = fd;