Removed duplicated code in audio intf.c

src/audio_output/intf.c

@@ -154,33 +154,35 @@ int __aout_VolumeInfos( vlc_object_t * p_object, audio_volume_t * pi_soft )
 int __aout_VolumeUp( vlc_object_t * p_object, int i_nb_steps,
                    audio_volume_t * pi_volume )
 {
-    aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
-                                                FIND_ANYWHERE );
-    int i_result = 0, i_volume = 0, i_volume_step = 0;
 
-    i_volume_step = config_GetInt( p_object->p_libvlc, "volume-step" );
-    i_volume = config_GetInt( p_object, "volume" );
-    i_volume += i_volume_step * i_nb_steps;
+    const int i_volume_step = config_GetInt( p_object->p_libvlc, "volume-step" );
+
+    int i_volume = config_GetInt( p_object, "volume" ) +
+                   i_volume_step * i_nb_steps;
     if ( i_volume > AOUT_VOLUME_MAX )
-    {
         i_volume = AOUT_VOLUME_MAX;
-    }
+    else if ( i_volume < AOUT_VOLUME_MIN )
+        i_volume = AOUT_VOLUME_MIN;
+
     config_PutInt( p_object, "volume", i_volume );
     var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
-    var_SetInteger( p_object->p_libvlc, "saved-volume" ,
-                    (audio_volume_t) i_volume );
-    if ( pi_volume != NULL ) *pi_volume = (audio_volume_t) i_volume;
+    var_SetInteger( p_object->p_libvlc, "saved-volume" , i_volume );
+    if ( pi_volume != NULL )
+        *pi_volume = i_volume;
 
     var_SetBool( p_object->p_libvlc, "volume-change", true );
 
-    if ( p_aout == NULL ) return 0;
+    aout_instance_t *p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
+                                               FIND_ANYWHERE );
+    if ( p_aout == NULL )
+        return 0;
 
+    int i_result;
     aout_lock_mixer( p_aout );
     if ( !p_aout->mixer.b_error )
-    {
-        i_result = p_aout->output.pf_volume_set( p_aout,
-                                                (audio_volume_t) i_volume );
-    }
+        i_result = p_aout->output.pf_volume_set( p_aout, i_volume );
+    else
+        i_result = VLC_SUCCESS;
     aout_unlock_mixer( p_aout );
 
     vlc_object_release( p_aout );
@@ -196,35 +198,7 @@ int __aout_VolumeUp( vlc_object_t * p_object, int i_nb_steps,
 int __aout_VolumeDown( vlc_object_t * p_object, int i_nb_steps,
                      audio_volume_t * pi_volume )
 {
-    aout_instance_t * p_aout = vlc_object_find( p_object, VLC_OBJECT_AOUT,
-                                                FIND_ANYWHERE );
-    int i_result = 0, i_volume = 0, i_volume_step = 0;
-
-    i_volume_step = config_GetInt( p_object->p_libvlc, "volume-step" );
-    i_volume = config_GetInt( p_object, "volume" );
-    i_volume -= i_volume_step * i_nb_steps;
-    if ( i_volume < AOUT_VOLUME_MIN )
-    {
-        i_volume = AOUT_VOLUME_MIN;
-    }
-    config_PutInt( p_object, "volume", i_volume );
-    var_Create( p_object->p_libvlc, "saved-volume", VLC_VAR_INTEGER );
-    var_SetInteger( p_object->p_libvlc, "saved-volume", (audio_volume_t) i_volume );
-    if ( pi_volume != NULL ) *pi_volume = (audio_volume_t) i_volume;
-
-    var_SetBool( p_object->p_libvlc, "volume-change", true );
-
-    if ( p_aout == NULL ) return 0;
-
-    aout_lock_mixer( p_aout );
-    if ( !p_aout->mixer.b_error )
-    {
-        i_result = p_aout->output.pf_volume_set( p_aout, (audio_volume_t) i_volume );
-    }
-    aout_unlock_mixer( p_aout );
-
-    vlc_object_release( p_aout );
-    return i_result;
+    return __aout_VolumeUp( p_object, -i_nb_steps, pi_volume );
 }
 
 /*****************************************************************************