GF_Err MergeFragment(GF_MovieFragmentBox *moof, GF_ISOFile *mov)
{
u32 i, j;
u64 MaxDur;
GF_TrackFragmentBox *traf;
GF_TrackBox *trak;
MaxDur = 0;
//we shall have a MOOV and its MVEX BEFORE any MOOF
if (!mov->moov || !mov->moov->mvex) return GF_ISOM_INVALID_FILE;
//and all fragments must be continous
if (mov->NextMoofNumber && (mov->NextMoofNumber >= moof->mfhd->sequence_number)) return GF_ISOM_INVALID_FILE;
i=0;
while ((traf = (GF_TrackFragmentBox*)gf_list_enum(moof->TrackList, &i))) {
if (!traf->tfhd) {
trak = NULL;
traf->trex = NULL;
} else {
trak = gf_isom_get_track_from_id(mov->moov, traf->tfhd->trackID);
j=0;
while ((traf->trex = (GF_TrackExtendsBox*)gf_list_enum(mov->moov->mvex->TrackExList, &j))) {
if (traf->trex->trackID == traf->tfhd->trackID) break;
traf->trex = NULL;
}
}
if (!trak || !traf->trex) return GF_ISOM_INVALID_FILE;
MergeTrack(trak, traf, mov->current_top_box_start, !mov->first_moof_merged);
//update trak duration
SetTrackDuration(trak);
if (trak->Header->duration > MaxDur)
MaxDur = trak->Header->duration;
}
mov->first_moof_merged = 1;
mov->NextMoofNumber = moof->mfhd->sequence_number;
//update movie duration
if (mov->moov->mvhd->duration < MaxDur) mov->moov->mvhd->duration = MaxDur;
return GF_OK;
}
GF_Err MergeFragment(GF_MovieFragmentBox *moof, GF_ISOFile *mov)
{
GF_Err e;
u32 i, j;
u64 MaxDur;
GF_TrackFragmentBox *traf;
GF_TrackBox *trak;
MaxDur = 0;
//we shall have a MOOV and its MVEX BEFORE any MOOF
if (!mov->moov || !mov->moov->mvex) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CONTAINER, ("[iso file] Error: %s not received before merging fragment\n", mov->moov ? "mvex" : "moov" ));
return GF_ISOM_INVALID_FILE;
}
//and all fragments must be continous - we do not throw an error as we may still want to be able to concatenate dependent representations in DASH and
//we will likely a-have R1(moofSN 1, 3, 5, 7) plus R2(moofSN 2, 4, 6, 8)
if (mov->NextMoofNumber && (mov->NextMoofNumber >= moof->mfhd->sequence_number)) {
GF_LOG(GF_LOG_WARNING, GF_LOG_CONTAINER, ("[iso file] Warning: wrong sequence number: got %d but last one was %d\n", moof->mfhd->sequence_number, mov->NextMoofNumber));
// return GF_ISOM_INVALID_FILE;
}
i=0;
while ((traf = (GF_TrackFragmentBox*)gf_list_enum(moof->TrackList, &i))) {
if (!traf->tfhd) {
trak = NULL;
traf->trex = NULL;
} else {
trak = gf_isom_get_track_from_id(mov->moov, traf->tfhd->trackID);
j=0;
while ((traf->trex = (GF_TrackExtendsBox*)gf_list_enum(mov->moov->mvex->TrackExList, &j))) {
if (traf->trex->trackID == traf->tfhd->trackID) break;
traf->trex = NULL;
}
}
if (!trak || !traf->trex) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CONTAINER, ("[iso file] Error: Cannot find fragment track with ID %d\n", traf->tfhd->trackID));
return GF_ISOM_INVALID_FILE;
}
e = MergeTrack(trak, traf, mov->current_top_box_start, !trak->first_traf_merged);
if (e) return e;
trak->present_in_scalable_segment = 1;
//update trak duration
SetTrackDuration(trak);
if (trak->Header->duration > MaxDur)
MaxDur = trak->Header->duration;
trak->first_traf_merged = 1;
}
if (moof->other_boxes) {
GF_Box *a;
i = 0;
while ((a = (GF_Box *)gf_list_enum(moof->other_boxes, &i))) {
if (a->type == GF_ISOM_BOX_TYPE_PSSH) {
GF_ProtectionSystemHeaderBox *pssh = (GF_ProtectionSystemHeaderBox *)pssh_New();
memmove(pssh->SystemID, ((GF_ProtectionSystemHeaderBox *)a)->SystemID, 16);
pssh->KID_count = ((GF_ProtectionSystemHeaderBox *)a)->KID_count;
pssh->KIDs = (bin128 *)gf_malloc(pssh->KID_count*sizeof(bin128));
memmove(pssh->KIDs, ((GF_ProtectionSystemHeaderBox *)a)->KIDs, pssh->KID_count*sizeof(bin128));
pssh->private_data_size = ((GF_ProtectionSystemHeaderBox *)a)->private_data_size;
pssh->private_data = (u8 *)gf_malloc(pssh->private_data_size*sizeof(char));
memmove(pssh->private_data, ((GF_ProtectionSystemHeaderBox *)a)->private_data, pssh->private_data_size);
if (!mov->moov->other_boxes) mov->moov->other_boxes = gf_list_new();
gf_list_add(mov->moov->other_boxes, pssh);
}
}
}
mov->NextMoofNumber = moof->mfhd->sequence_number;
//update movie duration
if (mov->moov->mvhd->duration < MaxDur) mov->moov->mvhd->duration = MaxDur;
return GF_OK;
}