The old default timescale of 1 millisecond produces irrational
numbers for a lot of framerate/audio-packet-duration multiples.
1/1800 is a nicer number, as it tends to produce better fractions
and therefore slightly higher accuracy overall
/* some spare for header size as well */
#define MDAT_LARGE_FILE_LIMIT ((guint64) 1024 * 1024 * 1024 * 2)
-#define DEFAULT_MOVIE_TIMESCALE 1000
+#define DEFAULT_MOVIE_TIMESCALE 1800
#define DEFAULT_TRAK_TIMESCALE 0
#define DEFAULT_DO_CTTS TRUE
#define DEFAULT_FAST_START FALSE