store index for seeking in the native timebase of each stream
set correct timebase for nut
merge mpeg-ts seeking with existing seeking code
10l fix in mpegts (27mhz vs. 90khz)

Originally committed as revision 3152 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index a5feba8..6618d5f 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -1312,7 +1312,7 @@
         int i;
         for(i=0; i<s->nb_streams; i++){
             if(startcode == s->streams[i]->id) {
-                av_add_index_entry(s->streams[i], *ppos, dts*AV_TIME_BASE/90000, 0, 0 /* FIXME keyframe? */);
+                av_add_index_entry(s->streams[i], *ppos, dts, 0, 0 /* FIXME keyframe? */);
             }
         }
     }
@@ -1430,7 +1430,7 @@
     printf("pos=0x%llx dts=0x%llx %0.3f\n", pos, dts, dts / 90000.0);
 #endif
     *ppos = pos;
-    return dts*AV_TIME_BASE/90000;
+    return dts;
 }
 
 #ifdef CONFIG_ENCODERS