mp4gettracktype(3) - Linux man page

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"

See Also

mp4(3)