music_mad.c (mad_seek): Avoid a junk chunk be played after seek.

If buffer isn't cleared, the garbage left after previously played frame will be played after seek until playing frame on the target position. Backport from default / 2.0 branch commit 760a8cb05f97, thanks to Vitaly Novichkov.
libsdl-org · Dec 27, 2019 · e0699ba · e0699ba
1 parent 647d093
commit e0699ba
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/music_mad.c b/music_mad.c
@@ -308,6 +308,8 @@ mad_seek(mad_data *mp3_mad, double position) {
 	mp3_mad->output_end = 0;
 
 	MP3_RWseek(&mp3_mad->mp3file, 0, RW_SEEK_SET);
+	/* Avoid junk chunk be played after seek -- Vitaly Novichkov */
+	memset (mp3_mad->input_buffer, 0, sizeof(mp3_mad->input_buffer));
   }
 
   /* Now we have to skip frames until we come to the right one.