Index: apps/codecs/aac.c
===================================================================
--- apps/codecs/aac.c	(revision 29173)
+++ apps/codecs/aac.c	(working copy)
@@ -148,8 +148,18 @@
     i = 0;
     
     if (file_offset > 0) {
-        if (alac_seek_raw(&demux_res, &input_stream, file_offset,
-                          &sound_samples_done, (int*) &i)) {
+        /* When using alac_seek we need to set the desired sample index 
+           position. We can estimate this from the byte position in the stream,
+           the overall bitrate and the samplerate. Important: We need to 
+           subtract the m4a header length (mdat_offset) to not add any offset.
+        */
+        file_offset -= demux_res.mdat_offset;
+        file_offset = (uint32_t)(((uint64_t)file_offset * 8) * 
+                                  (ci->id3->frequency / 100) / 
+                                  (ci->id3->bitrate * 10));
+        if (alac_seek(&demux_res, &input_stream,
+                      file_offset,
+                      &sound_samples_done, (int*) &i)) {
             elapsed_time = (sound_samples_done * 10) / (ci->id3->frequency / 100);
             ci->set_elapsed(elapsed_time);
         } else {
Index: apps/codecs/libm4a/m4a.c
===================================================================
--- apps/codecs/libm4a/m4a.c	(revision 29174)
+++ apps/codecs/libm4a/m4a.c	(working copy)
@@ -327,6 +327,7 @@
     return 0;
 }
 
+#if 0
 /* Seek to the sample containing file_loc. Return 1 on success (and modify
  * sound_samples_done and current_sample), 0 if failed.
  *
@@ -429,3 +430,4 @@
 
     return 0;
 }
+#endif