[totem/wip/hadess/simplify-text-sub: 2/5] backend: Simplify _set_language() implementation

[Bastien Nocera <hadess src gnome org>]

commit 6b32755b60876aa9b38442e40840e233ff488c31
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Feb 11 20:06:47 2022 +0100

    backend: Simplify _set_language() implementation
    
    To be more like the _set_subtitle() one.

 src/backend/bacon-video-widget.c | 23 +----------------------
 1 file changed, 1 insertion(+), 22 deletions(-)
---
diff --git a/src/backend/bacon-video-widget.c b/src/backend/bacon-video-widget.c
index 3d9e6ad29..f500607ac 100644
--- a/src/backend/bacon-video-widget.c
+++ b/src/backend/bacon-video-widget.c
@@ -2611,20 +2611,6 @@ bacon_video_widget_get_subtitle (BaconVideoWidget * bvw)
   return subtitle;
 }
 
-static gboolean
-sublang_is_valid (int sublang,
-                 int n_sublang)
-{
-  if (sublang == BVW_TRACK_AUTO ||
-      sublang == BVW_TRACK_NONE)
-    return TRUE;
-  if (sublang < 0)
-    return FALSE;
-  if (sublang >= n_sublang)
-    return FALSE;
-  return TRUE;
-}
-
 static BvwLangInfo *
 find_info_for_id (GList *list,
                  int    id)
@@ -3064,22 +3050,15 @@ void
 bacon_video_widget_set_language (BaconVideoWidget * bvw, int language)
 {
   GstTagList *tags;
-  int n_lang;
 
   g_return_if_fail (BACON_IS_VIDEO_WIDGET (bvw));
   g_return_if_fail (bvw->play != NULL);
-
-  g_object_get (bvw->play, "n-audio", &n_lang, NULL);
-
-  g_return_if_fail (sublang_is_valid (language, n_lang));
+  g_return_if_fail (find_info_for_id (bvw->languages, language) != NULL);
 
   GST_DEBUG ("setting language to %d", language);
 
   g_object_set (bvw->play, "current-audio", language, NULL);
 
-  g_object_get (bvw->play, "current-audio", &language, NULL);
-  GST_DEBUG ("current-audio now: %d", language);
-
   g_signal_emit_by_name (G_OBJECT (bvw->play), "get-audio-tags", language, &tags);
   bvw_update_tags (bvw, tags, "audio");
   if (update_languages_tracks (bvw))