MP4SetTimeScale - Set the time scale of the movie (file)
#include <mp4.h>
bool MP4SetTimeScale(
MP4FileHandle hFile,
u_int32_t timeScale
)
Upon success, true (1). Upon an error, false (0).
MP4SetTimeScale sets the time scale of the mp4 file. The time scale is in the number of clock ticks per second. Caveat: tracks may use the same time scale as the movie or may use their own time scale.
MP4(3) MP4GetTimeScale(3) MP4SetTrackTimeScale(3)