//add an SDP line to the SDP container at the movie level (presentation SDP info)
//NOTE: the \r\n end of line for SDP is automatically inserted
GF_EXPORT
GF_Err gf_isom_sdp_add_line(GF_ISOFile *movie, const char *text)
{
GF_UserDataMap *map;
GF_RTPBox *rtp;
GF_Err e;
GF_HintTrackInfoBox *hnti;
char *buf;
if (!movie->moov) return GF_BAD_PARAM;
//check if we have a udta ...
if (!movie->moov->udta) {
e = moov_AddBox((GF_Box*)movie->moov, gf_isom_box_new(GF_ISOM_BOX_TYPE_UDTA));
if (e) return e;
}
//find a hnti in the udta
map = udta_getEntry(movie->moov->udta, GF_ISOM_BOX_TYPE_HNTI, NULL);
if (!map) {
e = udta_AddBox(movie->moov->udta, gf_isom_box_new(GF_ISOM_BOX_TYPE_HNTI));
if (e) return e;
map = udta_getEntry(movie->moov->udta, GF_ISOM_BOX_TYPE_HNTI, NULL);
}
//there should be one and only one hnti
if (!gf_list_count(map->other_boxes) ) {
e = udta_AddBox(movie->moov->udta, gf_isom_box_new(GF_ISOM_BOX_TYPE_HNTI));
if (e) return e;
}
else if (gf_list_count(map->other_boxes) < 1) return GF_ISOM_INVALID_FILE;
hnti = (GF_HintTrackInfoBox *)gf_list_get(map->other_boxes, 0);
if (!hnti->SDP) {
//we have to create it by hand, as we have a duplication of box type
//(GF_RTPSampleEntryBox and GF_RTPBox have the same type...)
rtp = (GF_RTPBox *) gf_malloc(sizeof(GF_RTPBox));
rtp->subType = GF_ISOM_BOX_TYPE_SDP;
rtp->type = GF_ISOM_BOX_TYPE_RTP;
rtp->sdpText = NULL;
hnti_AddBox(hnti, (GF_Box *)rtp);
}
rtp = (GF_RTPBox *) hnti->SDP;
if (!rtp->sdpText) {
rtp->sdpText = (char*)gf_malloc(sizeof(char) * (strlen(text) + 3));
strcpy(rtp->sdpText, text);
strcat(rtp->sdpText, "\r\n");
return GF_OK;
}
buf = (char*)gf_malloc(sizeof(char) * (strlen(rtp->sdpText) + strlen(text) + 3));
strcpy(buf, rtp->sdpText);
strcat(buf, text);
strcat(buf, "\r\n");
gf_free(rtp->sdpText);
ReorderSDP(buf, GF_TRUE);
rtp->sdpText = buf;
return GF_OK;
}
GF_MetaBox *gf_isom_apple_create_meta_extensions(GF_ISOFile *mov)
{
GF_Err e;
u32 i;
GF_MetaBox *meta;
GF_UserDataMap *map;
if (!mov || !mov->moov) return NULL;
if (!mov->moov->udta) {
e = moov_AddBox((GF_Box*)mov->moov, gf_isom_box_new(GF_ISOM_BOX_TYPE_UDTA));
if (e) return NULL;
}
map = udta_getEntry(mov->moov->udta, GF_ISOM_BOX_TYPE_META, NULL);
if (map) {
for(i = 0; i < gf_list_count(map->other_boxes); i++) {
meta = (GF_MetaBox*)gf_list_get(map->other_boxes, i);
if(meta != NULL && meta->handler != NULL && meta->handler->handlerType == GF_ISOM_HANDLER_TYPE_MDIR) return meta;
}
}
meta = (GF_MetaBox *)gf_isom_box_new(GF_ISOM_BOX_TYPE_META);
if(meta != NULL) {
meta->handler = (GF_HandlerBox *)gf_isom_box_new(GF_ISOM_BOX_TYPE_HDLR);
if(meta->handler == NULL) {
gf_isom_box_del((GF_Box *)meta);
return NULL;
}
meta->handler->handlerType = GF_ISOM_HANDLER_TYPE_MDIR;
if (!meta->other_boxes) meta->other_boxes = gf_list_new();
gf_list_add(meta->other_boxes, gf_isom_box_new(GF_ISOM_BOX_TYPE_ILST));
udta_AddBox(mov->moov->udta, (GF_Box *)meta);
}
return meta;
}
void gf_isom_insert_moov(GF_ISOFile *file)
{
u64 now;
GF_MovieHeaderBox *mvhd;
if (file->moov) return;
//OK, create our boxes (mvhd, iods, ...)
file->moov = (GF_MovieBox *) moov_New();
file->moov->mov = file;
//Header SetUp
now = gf_isom_get_mp4time();
mvhd = (GF_MovieHeaderBox *) mvhd_New();
mvhd->creationTime = now;
mvhd->modificationTime = now;
mvhd->nextTrackID = 1;
//600 is our default movie TimeScale
mvhd->timeScale = 600;
file->interleavingTime = mvhd->timeScale;
moov_AddBox((GF_Box*)file->moov, (GF_Box *)mvhd);
gf_list_add(file->TopBoxes, file->moov);
}
