mp4(3)
NAME
MP4GetTrackType - Get the track type
SYNTAX
#include <mp4.h>
- const char* MP4GetTrackType(
- MP4FileHandle hFile,
MP4TrackId trackId - )
ARGUMENTS
hFile Specifies the mp4 file to which the operation applies.
- trackId
- Specifies the track for which the type is desired.
RETURN VALUES
Upon success, a string that indicates the track type. Upon an error,
NULL.
DESCRIPTION
MP4GetTrackType gets the type of the track with the specified track id.
Note: the library does not provide a MP4SetTrackType function, the
track type needs to be specified when the track is created, e.g.
MP4AddSystemsTrack(MP4_OCI_TRACK_TYPE).
- Known track types are:
- MP4_OD_TRACK_TYPE "odsm"
MP4_SCENE_TRACK_TYPE "sdsm"
MP4_AUDIO_TRACK_TYPE "soun"
MP4_VIDEO_TRACK_TYPE "vide"
MP4_HINT_TRACK_TYPE "hint"
MP4_CLOCK_TRACK_TYPE "crsm"
MP4_MPEG7_CLOCK_TYPE "m7sm"
MP4_OCI_TRACK_TYPE "ocsm"
MP4_IPMP_TRACK_TYPE "ipsm"
MP4_MPEGJ_TRACK_TYPE "mjsm"