Elapsed counter resets correctly when changing tracks.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6771 a1c6a512-1295-4272-9138-f99709370657

apps/playback.c

@@ -239,6 +239,9 @@ void codec_set_elapsed_callback(unsigned int value)
 {
     unsigned int latency;
 
+    if (ci.stop_codec)
+        return ;
+        
     latency = audiobuffer_get_latency();
     
     if (value < latency) {
@@ -751,7 +754,7 @@ void audio_play_start(int offset)
     buf_widx = 0;
     codecbufused = 0;
     pcm_set_boost_mode(true);
-        
+    
     fill_bytesleft = codecbuflen;
     filling = true;
     last_peek_offset = 0;

firmware/pcm_playback.c

@@ -367,8 +367,7 @@ unsigned int audiobuffer_get_latency(void)
     int latency;
     
     /* This has to be done better. */
-    latency = (PCMBUF_SIZE - audiobuffer_free - audiobuffer_fillpos
-        - CHUNK_SIZE)/4 / (44100/1000);
+    latency = (PCMBUF_SIZE - audiobuffer_free - CHUNK_SIZE)/4 / (44100/1000);
     if (latency < 0)
         latency = 0;