song: added function song_get_duration()

src/dbUtils.c

@@ -135,8 +135,7 @@ searchStatsInDirectory(struct song *song, void *data)
 
 	if (locate_song_match(song, stats->criteria)) {
 		stats->numberOfSongs++;
-		if (song->tag->time > 0)
-			stats->playTime += song->tag->time;
+		stats->playTime += song_get_duration(song);
 	}
 
 	return 0;

src/player_thread.c

@@ -212,8 +212,7 @@ player_wait_for_decoder(struct player *player)
 	player_lock();
 
 	/* update player_control's song information */
-	pc.total_time = pc.next_song->tag != NULL
-		? pc.next_song->tag->time : 0;
+	pc.total_time = song_get_duration(pc.next_song);
 	pc.bit_rate = 0;
 	audio_format_clear(&pc.audio_format);
 

src/song.c

@@ -80,3 +80,12 @@ song_get_uri(const struct song *song)
 		return g_strconcat(directory_get_path(song->parent),
 				   "/", song->uri, NULL);
 }
+
+double
+song_get_duration(const struct song *song)
+{
+	if (song->tag == NULL)
+		return 0;
+
+	return song->tag->time;
+}

src/song.h

@@ -69,6 +69,9 @@ song_file_update_inarchive(struct song *song);
 char *
 song_get_uri(const struct song *song);
 
+double
+song_get_duration(const struct song *song);
+
 static inline bool
 song_in_database(const struct song *song)
 {