$OpenBSD: patch-tvaudio_c,v 1.3 2010/05/22 14:12:50 espie Exp $
--- tvaudio.c.orig	Mon Feb 12 15:56:29 2001
+++ tvaudio.c	Sat May 22 16:04:14 2010
@@ -104,7 +104,7 @@ static void TVAUDIOSetMixerMask()
         Mixer_dev_mask = SOUND_MASK_MIC;
         Mixer_dev_name = "MIC";
     }
-#ifdef SOUND_MIXER_VIDEO
+#if defined(SOUND_MIXER_VIDEO) && !defined(__OpenBSD__)
     else if ( STREQ( buf, "VIDEO" ) ) {
        Mixer_dev_id   = SOUND_MIXER_VIDEO;
        Mixer_dev_mask = SOUND_MASK_VIDEO;
@@ -204,12 +204,22 @@ void TVAUDIOSetMuteState( TV_BOOL       mute_on )
 {
     TV_AUDIO        *a = &G_glob.audio;
     TV_CAPTURE      *c = &G_glob.capture;
+    static TV_INT32 ov;
 
     /*  Accomplish mute via capture card audio mute  */
     if ( a->mute_on != mute_on ) {
         a->mute_on = mute_on;
         TVCAPTURESetAudioMute( c, a->mute_on );
     }
+
+    /* Fake mute via line audio */
+    if(a->mute_on) {
+	TVAUDIOGetLineVolume(&ov);
+        TVAUDIOSetLineVolume(0, FALSE);
+    } else {
+        TVAUDIOSetLineVolume(ov, FALSE);
+    }
+   
     TVTOOLSSetToggleState( TV_TOOLITEM_MUTE, !a->mute_on );
 }