//extraction of the ESD from the track for the given time
GF_Err GetESDForTime(GF_MovieBox *moov, u32 trackID, u64 CTS, GF_ESD **outESD)
{
GF_Err e;
u32 sampleDescIndex;
GF_TrackBox *trak;
trak = gf_isom_get_track(moov, gf_isom_get_tracknum_from_id(moov, trackID));
if (!trak) return GF_ISOM_INVALID_FILE;
e = Media_GetSampleDescIndex(trak->Media, CTS, &sampleDescIndex );
if (e) return e;
return GetESD(moov, trackID, sampleDescIndex, outESD);
}
//extraction of the ESD from the track for the given time
M4Err GetESDForTime(MovieAtom *moov, u32 trackID, u64 CTS, ESDescriptor **outESD)
{
M4Err e;
u32 sampleDescIndex;
TrackAtom *trak;
trak = GetTrack(moov, GetTrackNumberByID(moov, trackID));
if (!trak) return M4InvalidMP4File;
e = Media_GetSampleDescIndex(trak->Media, CTS, &sampleDescIndex );
if (e) return e;
return GetESD(moov, trackID, sampleDescIndex, outESD);
}
