GF_EXPORT
char *gf_rtp_streamer_format_sdp_header(char *app_name, char *ip_dest, char *session_name, char *iod64)
{
u64 size;
char *sdp;
FILE *tmp = gf_temp_file_new();
if (!tmp) return NULL;
/* write SDP header*/
fprintf(tmp, "v=0\n");
fprintf(tmp, "o=%s 3326096807 1117107880000 IN IP%d %s\n", app_name, gf_net_is_ipv6(ip_dest) ? 6 : 4, ip_dest);
fprintf(tmp, "s=%s\n", (session_name ? session_name : "GPAC Scene Streaming Session"));
fprintf(tmp, "c=IN IP%d %s\n", gf_net_is_ipv6(ip_dest) ? 6 : 4, ip_dest);
fprintf(tmp, "t=0 0\n");
if (iod64) fprintf(tmp, "a=mpeg4-iod:\"data:application/mpeg4-iod;base64,%s\"\n", iod64);
gf_f64_seek(tmp, 0, SEEK_END);
size = gf_f64_tell(tmp);
gf_f64_seek(tmp, 0, SEEK_SET);
sdp = gf_malloc(sizeof(char) * (size_t)(size+1));
size = fread(sdp, 1, (size_t)size, tmp);
sdp[size] = 0;
fclose(tmp);
return sdp;
}
GF_DataMap *gf_isom_fdm_new_temp(const char *sPath)
{
GF_FileDataMap *tmp = (GF_FileDataMap *) gf_malloc(sizeof(GF_FileDataMap));
if (!tmp) return NULL;
memset(tmp, 0, sizeof(GF_FileDataMap));
tmp->type = GF_ISOM_DATA_FILE;
tmp->mode = GF_ISOM_DATA_MAP_WRITE;
if (!sPath) {
tmp->stream = gf_temp_file_new();
} else {
char szPath[GF_MAX_PATH];
if ((sPath[strlen(sPath)-1] != '\\') && (sPath[strlen(sPath)-1] != '/')) {
sprintf(szPath, "%s%c%p_isotmp", sPath, GF_PATH_SEPARATOR, (void*) tmp);
} else {
sprintf(szPath, "%s%p_isotmp", sPath, (void*) tmp);
}
tmp->stream = gf_f64_open(szPath, "w+b");
tmp->temp_file = gf_strdup(szPath);
}
if (!tmp->stream) {
if (tmp->temp_file) gf_free(tmp->temp_file);
gf_free(tmp);
return NULL;
}
tmp->bs = gf_bs_from_file(tmp->stream, GF_BITSTREAM_WRITE);
if (!tmp->bs) {
fclose(tmp->stream);
gf_free(tmp);
return NULL;
}
return (GF_DataMap *)tmp;
}
GF_DataMap *gf_isom_fdm_new(const char *sPath, u8 mode)
{
u8 bs_mode;
GF_FileDataMap *tmp = (GF_FileDataMap *) gf_malloc(sizeof(GF_FileDataMap));
if (!tmp) return NULL;
memset(tmp, 0, sizeof(GF_FileDataMap));
tmp->type = GF_ISOM_DATA_FILE;
tmp->mode = mode;
#ifndef GPAC_DISABLE_ISOM_WRITE
//open a temp file
if (!strcmp(sPath, "mp4_tmp_edit")) {
//create a temp file (that only occurs in EDIT/WRITE mode)
tmp->stream = gf_temp_file_new();
bs_mode = GF_BITSTREAM_READ;
}
#endif
switch (mode) {
case GF_ISOM_DATA_MAP_READ:
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "rb");
bs_mode = GF_BITSTREAM_READ;
break;
///we open the file in READ/WRITE mode, in case
case GF_ISOM_DATA_MAP_WRITE:
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "w+b");
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "wb");
bs_mode = GF_BITSTREAM_WRITE;
break;
///we open the file in CAT mode, in case
case GF_ISOM_DATA_MAP_CAT:
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "a+b");
if (tmp->stream) gf_f64_seek(tmp->stream, 0, SEEK_END);
bs_mode = GF_BITSTREAM_WRITE;
break;
default:
gf_free(tmp);
return NULL;
}
if (!tmp->stream) {
gf_free(tmp);
return NULL;
}
tmp->bs = gf_bs_from_file(tmp->stream, bs_mode);
if (!tmp->bs) {
fclose(tmp->stream);
gf_free(tmp);
return NULL;
}
return (GF_DataMap *)tmp;
}
GF_DataMap *gf_isom_fdm_new(const char *sPath, u8 mode)
{
u8 bs_mode;
GF_FileDataMap *tmp = (GF_FileDataMap *) gf_malloc(sizeof(GF_FileDataMap));
if (!tmp) return NULL;
memset(tmp, 0, sizeof(GF_FileDataMap));
tmp->type = GF_ISOM_DATA_FILE;
tmp->mode = mode;
#ifndef GPAC_DISABLE_ISOM_WRITE
//open a temp file
if (!strcmp(sPath, "mp4_tmp_edit")) {
//create a temp file (that only occurs in EDIT/WRITE mode)
tmp->stream = gf_temp_file_new();
bs_mode = GF_BITSTREAM_READ;
}
#endif
if (!strncmp(sPath, "gmem://", 7)) {
u32 size;
void *mem_address;
if (sscanf(sPath, "gmem://%d@%p", &size, &mem_address) != 2)
return NULL;
tmp->bs = gf_bs_new((const char *)mem_address, size, GF_BITSTREAM_READ);
if (!tmp->bs) {
gf_free(tmp);
return NULL;
}
return (GF_DataMap *)tmp;
}
switch (mode) {
case GF_ISOM_DATA_MAP_READ:
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "rb");
bs_mode = GF_BITSTREAM_READ;
break;
///we open the file in READ/WRITE mode, in case
case GF_ISOM_DATA_MAP_WRITE:
if (!strcmp(sPath, "std")) {
tmp->stream = stdout;
tmp->is_stdout = 1;
}
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "w+b");
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "wb");
bs_mode = GF_BITSTREAM_WRITE;
break;
///we open the file in CAT mode, in case
case GF_ISOM_DATA_MAP_CAT:
if (!strcmp(sPath, "std")) {
tmp->stream = stdout;
tmp->is_stdout = 1;
}
if (!tmp->stream) tmp->stream = gf_f64_open(sPath, "a+b");
if (tmp->stream) gf_f64_seek(tmp->stream, 0, SEEK_END);
bs_mode = GF_BITSTREAM_WRITE;
break;
default:
gf_free(tmp);
return NULL;
}
if (!tmp->stream) {
gf_free(tmp);
return NULL;
}
tmp->bs = gf_bs_from_file(tmp->stream, bs_mode);
if (!tmp->bs) {
fclose(tmp->stream);
gf_free(tmp);
return NULL;
}
if (default_write_buffering_size) {
gf_bs_set_output_buffering(tmp->bs, default_write_buffering_size);
}
return (GF_DataMap *)tmp;
}
