MP4FindTrackIndex - Find a track index
#include <mp4.h> u_int16_t MP4FindTrackIndex( MP4FileHandle hFile, MP4TrackId trackId )
hFile Specifies the mp4 file to which the operation applies. trackId Specifies the track for which the index is desired.
Upon success, the track index of the specified track. Upon an error, 0xFFFF.
MP4FindTrackIndex gets the index of the track with the specified track id.