Taapat: disable log to fix freezing on edit list parsing intruduced in:
http://git.videolan.org/gitweb.cgi/ffmpeg.git/?p=ffmpeg.git;a=commitdiff;h=ca6cae73db207f17a0d5507609de12842d8f0ca3

--- a/libavformat/mov.c	2016-11-14 20:09:13.779085246 +0200
+++ b/libavformat/mov.c	2016-11-14 20:09:30.715351822 +0200
@@ -3177,8 +3177,10 @@
             curr_cts = current->timestamp + msc->dts_shift;
 
             if (ctts_data_old && ctts_index_old < ctts_count_old) {
+                /*
                 av_log(mov->fc, AV_LOG_DEBUG, "shifted frame pts, curr_cts: %"PRId64" @ %"PRId64", ctts: %d, ctts_count: %"PRId64"\n",
                        curr_cts, ctts_index_old, ctts_data_old[ctts_index_old].duration, ctts_count_old);
+                */
                 curr_cts += ctts_data_old[ctts_index_old].duration;
                 ctts_sample_old++;
                 if (ctts_sample_old == ctts_data_old[ctts_index_old].count) {