if (dest_addr) {
if (!dest_type)
dest_type = "IP4";
- if (ttl > 0) {
+ if (ttl > 0 && !strcmp(dest_type, "IP4")) {
+ /* The TTL should only be specified for IPv4 multicast addresses,
+ * not for IPv6. */
av_strlcatf(buff, size, "c=IN %s %s/%d\r\n", dest_type, dest_addr, ttl);
} else {
av_strlcatf(buff, size, "c=IN %s %s\r\n", dest_type, dest_addr);
}
#if CONFIG_NETWORK
-static void resolve_destination(char *dest_addr, int size, char *type,
- int type_size)
+static int resolve_destination(char *dest_addr, int size, char *type,
+ int type_size)
{
struct addrinfo hints, *ai;
+ int is_multicast;
av_strlcpy(type, "IP4", type_size);
if (!dest_addr[0])
- return;
+ return 0;
/* Resolve the destination, since it must be written
* as a numeric IP address in the SDP. */
memset(&hints, 0, sizeof(hints));
if (getaddrinfo(dest_addr, NULL, &hints, &ai))
- return;
+ return 0;
getnameinfo(ai->ai_addr, ai->ai_addrlen, dest_addr, size,
NULL, 0, NI_NUMERICHOST);
+#ifdef AF_INET6
if (ai->ai_family == AF_INET6)
av_strlcpy(type, "IP6", type_size);
+#endif
+ is_multicast = ff_is_multicast_address(ai->ai_addr);
freeaddrinfo(ai);
+ return is_multicast;
}
#else
-static void resolve_destination(char *dest_addr, int size, char *type,
- int type_size)
+static int resolve_destination(char *dest_addr, int size, char *type,
+ int type_size)
{
+ return 0;
}
#endif
p = strchr(url, '?');
if (p) {
char buff[64];
- int is_multicast = find_info_tag(buff, sizeof(buff), "multicast", p);
- if (is_multicast) {
- if (find_info_tag(buff, sizeof(buff), "ttl", p)) {
- *ttl = strtol(buff, NULL, 10);
- } else {
- *ttl = 5;
- }
+ if (find_info_tag(buff, sizeof(buff), "ttl", p)) {
+ *ttl = strtol(buff, NULL, 10);
+ } else {
+ *ttl = 5;
}
}
break;
case CODEC_ID_H263:
case CODEC_ID_H263P:
- av_strlcatf(buff, size, "a=rtpmap:%d H263-2000/90000\r\n", payload_type);
+ /* a=framesize is required by 3GPP TS 26.234 (PSS). It
+ * actually specifies the maximum video size, but we only know
+ * the current size. This is required for playback on Android
+ * stagefright and on Samsung bada. */
+ av_strlcatf(buff, size, "a=rtpmap:%d H263-2000/90000\r\n"
+ "a=framesize:%d %d-%d\r\n",
+ payload_type,
+ payload_type, c->width, c->height);
break;
case CODEC_ID_MPEG4:
if (c->extradata_size) {
{
AVMetadataTag *title = av_metadata_get(ac[0]->metadata, "title", NULL, 0);
struct sdp_session_level s;
- int i, j, port, ttl;
+ int i, j, port, ttl, is_multicast;
char dst[32], dst_type[5];
memset(buff, 0, size);
ttl = 0;
if (n_files == 1) {
port = sdp_get_address(dst, sizeof(dst), &ttl, ac[0]->filename);
- resolve_destination(dst, sizeof(dst), dst_type, sizeof(dst_type));
+ is_multicast = resolve_destination(dst, sizeof(dst), dst_type,
+ sizeof(dst_type));
+ if (!is_multicast)
+ ttl = 0;
if (dst[0]) {
s.dst_addr = dst;
s.dst_type = dst_type;
for (i = 0; i < n_files; i++) {
if (n_files != 1) {
port = sdp_get_address(dst, sizeof(dst), &ttl, ac[i]->filename);
- resolve_destination(dst, sizeof(dst), dst_type, sizeof(dst_type));
+ is_multicast = resolve_destination(dst, sizeof(dst), dst_type,
+ sizeof(dst_type));
+ if (!is_multicast)
+ ttl = 0;
}
for (j = 0; j < ac[i]->nb_streams; j++) {
ff_sdp_write_media(buff, size,