mov: add av_dlog() to dump edit lists.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/mov.c

@@ -2637,9 +2637,11 @@ static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if ((uint64_t)edit_count*12+8 > atom.size)
         return AVERROR_INVALIDDATA;
 
+    av_dlog(c->fc, "track[%i].edit_count = %i\n", c->fc->nb_streams-1, edit_count);
     for (i=0; i<edit_count; i++){
         int64_t time;
         int64_t duration;
+        int rate;
         if (version == 1) {
             duration = avio_rb64(pb);
             time     = avio_rb64(pb);
@@ -2647,7 +2649,7 @@ static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom)
             duration = avio_rb32(pb); /* segment duration */
             time     = (int32_t)avio_rb32(pb); /* media time */
         }
-        avio_rb32(pb); /* Media rate */
+        rate = avio_rb32(pb);
         if (i == 0 && time == -1) {
             sc->empty_duration = duration;
             edit_start_index = 1;
@@ -2655,13 +2657,15 @@ static int mov_read_elst(MOVContext *c, AVIOContext *pb, MOVAtom atom)
             sc->start_time = time;
         else
             unsupported = 1;
+
+        av_dlog(c->fc, "duration=%"PRId64" time=%"PRId64" rate=%f\n",
+                duration, time, rate / 65536.0);
     }
 
     if (unsupported)
         av_log(c->fc, AV_LOG_WARNING, "multiple edit list entries, "
                "a/v desync might occur, patch welcome\n");
 
-    av_dlog(c->fc, "track[%i].edit_count = %i\n", c->fc->nb_streams-1, edit_count);
     return 0;
 }