static void
add_group_to_sdp_message (SdpMediaGroup * group, GstSDPMessage * msg)
{
gchar *val;
GSList *l;
if (g_slist_length (group->medias) <= 0) {
/* No medias in group */
return;
}
val = g_strdup ("BUNDLE");
for (l = group->medias; l != NULL; l = l->next) {
SdpMediaConfig *mconf = l->data;
gchar *tmp;
if (mconf->media == NULL || gst_sdp_media_get_port (mconf->media) == 0) {
/* Move this media out the group */
continue;
}
tmp = val;
val = g_strdup_printf ("%s %s", tmp, mconf->mid);
g_free (tmp);
}
gst_sdp_message_add_attribute (msg, "group", val);
g_free (val);
}
static gboolean
intersect_session_attr (const GstSDPAttribute * attr, gpointer user_data)
{
SdpMessageContext *ctx = user_data;
guint i, len;
if (g_strcmp0 (attr->key, "group") == 0) {
/* Exclude group attributes so they are managed indepently */
return TRUE;
}
/* Check that this attribute is already in the message */
len = gst_sdp_message_attributes_len (ctx->msg);
for (i = 0; i < len; i++) {
const GstSDPAttribute *a;
a = gst_sdp_message_get_attribute (ctx->msg, i);
if (g_strcmp0 (attr->key, a->key) == 0 &&
g_strcmp0 (attr->value, a->value) == 0) {
return FALSE;
}
}
return gst_sdp_message_add_attribute (ctx->msg, attr->key,
attr->value) == GST_SDP_OK;
}
static gboolean
kms_sdp_base_group_add_offer_attributes_impl (KmsSdpBaseGroup * self,
GstSDPMessage * offer, GError ** error)
{
SdpGroupStrVal val;
gboolean pre_proc;
g_object_get (self, "pre-media-processing", &pre_proc, NULL);
if (pre_proc) {
/* Let chlidren classes manage this case */
return TRUE;
}
val.msg = offer;
val.group = self;
val.str = g_strdup (self->priv->semantics);
/* Add all handlers that are not disabled to this group */
g_slist_foreach (self->priv->handlers, (GFunc) append_enabled_medias, &val);
gst_sdp_message_add_attribute (offer, "group", val.str);
g_free (val.str);
return TRUE;
}
GST_END_TEST
GST_START_TEST (modify)
{
GstSDPMessage *message;
glong length = -1;
const GstSDPMedia *media;
const gchar *old_val;
const gchar *result;
GstSDPAttribute attr;
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp, length, message);
/* modify session attribute */
fail_unless (gst_sdp_message_add_attribute (message,
"test_attr_session", "param1=val1") == GST_SDP_OK);
old_val = gst_sdp_message_get_attribute_val (message, "test_attr_session");
fail_unless (old_val != NULL);
attr.key = g_strdup ("test_attr_session");
attr.value = g_strdup_printf ("%s;param2=val2", old_val);
fail_unless (gst_sdp_message_replace_attribute (message, 0,
&attr) == GST_SDP_OK);
result = gst_sdp_message_get_attribute_val (message, "test_attr_session");
fail_unless (result != NULL);
fail_unless (g_strcmp0 (result, "param1=val1;param2=val2") == 0);
/* modify media attribute */
media = gst_sdp_message_get_media (message, 0);
fail_unless (media != NULL);
fail_unless (gst_sdp_media_add_attribute ((GstSDPMedia *) media,
"test_attr_media", "param3=val3") == GST_SDP_OK);
old_val =
gst_sdp_media_get_attribute_val ((GstSDPMedia *) media,
"test_attr_media");
fail_unless (old_val != NULL);
attr.key = g_strdup ("test_attr_media");
attr.value = g_strdup ("myparam=myval");
fail_unless (gst_sdp_media_replace_attribute ((GstSDPMedia *) media,
0, &attr) == GST_SDP_OK);
result =
gst_sdp_media_get_attribute_val ((GstSDPMedia *) media,
"test_attr_media");
fail_unless (result != NULL);
fail_unless (g_strcmp0 (result, "myparam=myval") == 0);
gst_sdp_message_free (message);
}
SDPDescription::SDPDescription(const std::string& ip_addr) : ip_addr_(ip_addr) {
gst_sdp_message_new(&sdp_description_);
/* some standard things first */
gst_sdp_message_set_version(sdp_description_, "0");
// FIXME check and chose between IP4 and IP6, IP4 hardcoded
// FIXME generate proper session id &version
gst_sdp_message_set_origin(sdp_description_,
"-", // the user name
"1188340656180883", // a session id
"1", // a session version
"IN", // a network type
"IP4", // an address type
ip_addr.c_str()); // an address
gst_sdp_message_set_session_name(sdp_description_, "switcher");
gst_sdp_message_set_information(sdp_description_, "telepresence");
gst_sdp_message_add_time(sdp_description_, "0", "0", nullptr);
gst_sdp_message_add_attribute(sdp_description_, "tool", "switcher");
gst_sdp_message_add_attribute(sdp_description_, "type", "broadcast");
gst_sdp_message_add_attribute(sdp_description_, "control", "*");
}
/**
* gst_rtsp_sdp_from_media:
* @sdp: a #GstSDPMessage
* @info: (transfer none): a #GstSDPInfo
* @media: (transfer none): a #GstRTSPMedia
*
* Add @media specific info to @sdp. @info is used to configure the connection
* information in the SDP.
*
* Returns: TRUE on success.
*/
gboolean
gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
GstRTSPMedia * media)
{
guint i, n_streams;
gchar *rangestr;
n_streams = gst_rtsp_media_n_streams (media);
rangestr = gst_rtsp_media_get_range_string (media, FALSE, GST_RTSP_RANGE_NPT);
if (rangestr == NULL)
goto not_prepared;
gst_sdp_message_add_attribute (sdp, "range", rangestr);
g_free (rangestr);
for (i = 0; i < n_streams; i++) {
GstRTSPStream *stream;
GstCaps *caps;
GstStructure *s;
GstRTSPProfile profiles;
guint mask;
stream = gst_rtsp_media_get_stream (media, i);
caps = gst_rtsp_stream_get_caps (stream);
if (caps == NULL) {
g_warning ("ignoring stream %d without media type", i);
continue;
}
s = gst_caps_get_structure (caps, 0);
if (s == NULL) {
gst_caps_unref (caps);
g_warning ("ignoring stream %d without media type", i);
continue;
}
/* make a new media for each profile */
profiles = gst_rtsp_stream_get_profiles (stream);
mask = 1;
while (profiles >= mask) {
GstRTSPProfile prof = profiles & mask;
if (prof)
make_media (sdp, info, media, stream, s, prof);
mask <<= 1;
}
gst_caps_unref (caps);
}
{
GstNetTimeProvider *provider;
if ((provider =
gst_rtsp_media_get_time_provider (media, info->server_ip, 0))) {
GstClock *clock;
gchar *address, *str;
gint port;
g_object_get (provider, "clock", &clock, "address", &address, "port",
&port, NULL);
str = g_strdup_printf ("GstNetTimeProvider %s %s:%d %" G_GUINT64_FORMAT,
g_type_name (G_TYPE_FROM_INSTANCE (clock)), address, port,
gst_clock_get_time (clock));
gst_sdp_message_add_attribute (sdp, "x-gst-clock", str);
g_free (str);
gst_object_unref (clock);
g_free (address);
gst_object_unref (provider);
}
}
return TRUE;
/* ERRORS */
not_prepared:
{
GST_ERROR ("media %p is not prepared", media);
return FALSE;
}
}
bool SDPDescription::add_msg_attribute(const std::string& name, const std::string& value) {
return GST_SDP_OK == gst_sdp_message_add_attribute(sdp_description_, name.c_str(), value.c_str());
}
/**
* gst_rtsp_sdp_from_media:
* @sdp: a #GstSDPMessage
* @info: info
* @media: a #GstRTSPMedia
*
* Add @media specific info to @sdp. @info is used to configure the connection
* information in the SDP.
*
* Returns: TRUE on success.
*/
gboolean
gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
GstRTSPMedia * media)
{
guint i, n_streams;
gchar *rangestr;
n_streams = gst_rtsp_media_n_streams (media);
rangestr = gst_rtsp_media_get_range_string (media, FALSE, GST_RTSP_RANGE_NPT);
if (rangestr == NULL)
goto not_prepared;
gst_sdp_message_add_attribute (sdp, "range", rangestr);
g_free (rangestr);
for (i = 0; i < n_streams; i++) {
GstRTSPStream *stream;
GstSDPMedia *smedia;
GstStructure *s;
const gchar *caps_str, *caps_enc, *caps_params;
gchar *tmp;
gint caps_pt, caps_rate;
guint n_fields, j;
gboolean first;
GString *fmtp;
GstCaps *caps;
stream = gst_rtsp_media_get_stream (media, i);
caps = gst_rtsp_stream_get_caps (stream);
if (caps == NULL) {
g_warning ("ignoring stream %d without media type", i);
continue;
}
s = gst_caps_get_structure (caps, 0);
if (s == NULL) {
gst_caps_unref (caps);
g_warning ("ignoring stream %d without media type", i);
continue;
}
gst_sdp_media_new (&smedia);
/* get media type and payload for the m= line */
caps_str = gst_structure_get_string (s, "media");
gst_sdp_media_set_media (smedia, caps_str);
gst_structure_get_int (s, "payload", &caps_pt);
tmp = g_strdup_printf ("%d", caps_pt);
gst_sdp_media_add_format (smedia, tmp);
g_free (tmp);
gst_sdp_media_set_port_info (smedia, 0, 1);
gst_sdp_media_set_proto (smedia, "RTP/AVP");
/* for the c= line */
if (info->is_ipv6) {
gst_sdp_media_add_connection (smedia, "IN", "IP6", "::", 16, 0);
} else {
gst_sdp_media_add_connection (smedia, "IN", "IP4", "0.0.0.0", 16, 0);
}
/* get clock-rate, media type and params for the rtpmap attribute */
gst_structure_get_int (s, "clock-rate", &caps_rate);
caps_enc = gst_structure_get_string (s, "encoding-name");
caps_params = gst_structure_get_string (s, "encoding-params");
if (caps_enc) {
if (caps_params)
tmp = g_strdup_printf ("%d %s/%d/%s", caps_pt, caps_enc, caps_rate,
caps_params);
else
tmp = g_strdup_printf ("%d %s/%d", caps_pt, caps_enc, caps_rate);
gst_sdp_media_add_attribute (smedia, "rtpmap", tmp);
g_free (tmp);
}
/* the config uri */
tmp = gst_rtsp_stream_get_control (stream);
gst_sdp_media_add_attribute (smedia, "control", tmp);
g_free (tmp);
/* collect all other properties and add them to fmtp or attributes */
fmtp = g_string_new ("");
g_string_append_printf (fmtp, "%d ", caps_pt);
first = TRUE;
n_fields = gst_structure_n_fields (s);
for (j = 0; j < n_fields; j++) {
const gchar *fname, *fval;
fname = gst_structure_nth_field_name (s, j);
/* filter out standard properties */
if (!strcmp (fname, "media"))
continue;
if (!strcmp (fname, "payload"))
continue;
if (!strcmp (fname, "clock-rate"))
continue;
if (!strcmp (fname, "encoding-name"))
continue;
if (!strcmp (fname, "encoding-params"))
continue;
if (!strcmp (fname, "ssrc"))
continue;
if (!strcmp (fname, "clock-base"))
continue;
if (!strcmp (fname, "seqnum-base"))
continue;
if (g_str_has_prefix (fname, "a-")) {
/* attribute */
if ((fval = gst_structure_get_string (s, fname)))
gst_sdp_media_add_attribute (smedia, fname + 2, fval);
continue;
}
if (g_str_has_prefix (fname, "x-")) {
/* attribute */
if ((fval = gst_structure_get_string (s, fname)))
gst_sdp_media_add_attribute (smedia, fname, fval);
continue;
}
if ((fval = gst_structure_get_string (s, fname))) {
g_string_append_printf (fmtp, "%s%s=%s", first ? "" : ";", fname, fval);
first = FALSE;
}
}
if (!first) {
tmp = g_string_free (fmtp, FALSE);
gst_sdp_media_add_attribute (smedia, "fmtp", tmp);
g_free (tmp);
} else {
g_string_free (fmtp, TRUE);
}
update_sdp_from_tags (stream, smedia);
gst_sdp_message_add_media (sdp, smedia);
gst_sdp_media_free (smedia);
gst_caps_unref (caps);
}
{
GstNetTimeProvider *provider;
if ((provider =
gst_rtsp_media_get_time_provider (media, info->server_ip, 0))) {
GstClock *clock;
gchar *address, *str;
gint port;
g_object_get (provider, "clock", &clock, "address", &address, "port",
&port, NULL);
str = g_strdup_printf ("GstNetTimeProvider %s %s:%d %" G_GUINT64_FORMAT,
g_type_name (G_TYPE_FROM_INSTANCE (clock)), address, port,
gst_clock_get_time (clock));
gst_sdp_message_add_attribute (sdp, "x-gst-clock", str);
g_free (str);
gst_object_unref (clock);
g_free (address);
gst_object_unref (provider);
}
}
return TRUE;
/* ERRORS */
not_prepared:
{
GST_ERROR ("media %p is not prepared", media);
return FALSE;
}
}
static gint create_and_send_ANNOUNCE_message2(GstRTSPsink* sink, GTimeVal *timeout, char **szSessionNumber) {
const gchar *url_client_ip_str = "0.0.0.0";//"192.168.2.104";
const gchar *url_server_str_full = g_strdup_printf("rtsp://%s:%d/%s", sink->host, sink->port, sink->stream_name); //"rtsp://192.168.2.108:1935/live/1";
//conn = sink->conn;
GstRTSPMessage msg = { 0 };
GstSDPMessage *sdp;
GstRTSPMethod method;
GstRTSPResult res;
guint num_ports = 1;
guint rtp_port = 5006;
char *szPayloadType = g_strdup_printf("%d", sink->payload);
method = GST_RTSP_ANNOUNCE ;
res = gst_rtsp_message_init_request(&msg, method, url_server_str_full);
if (res < 0)
return res;
/* set user-agent */
if (sink->user_agent)
gst_rtsp_message_add_header(&msg, GST_RTSP_HDR_USER_AGENT, sink->user_agent);
gst_rtsp_message_add_header(&msg, GST_RTSP_HDR_CONTENT_TYPE, "application/sdp");
// allocate sdp messege buffer...
res = gst_sdp_message_new(&sdp);
//v=..
res = gst_sdp_message_set_version(sdp, "0");
//o=...
res = gst_sdp_message_set_origin(sdp, "-", "0", "0", "IN", "IP4", "0.0.0.0");
//s=..
if (sink->session_name)
res = gst_sdp_message_set_session_name(sdp, "Unnamed");
//i=..
if (sink->information)
res = gst_sdp_message_set_information(sdp, "N/A");
//c=...
res = gst_sdp_message_set_connection(sdp, "IN", "IP4", url_client_ip_str, 0, 0);
//a=...
res = gst_sdp_message_add_attribute(sdp, "recvonly", NULL);
// create media
GstSDPMedia *media;
res = gst_sdp_media_new(&media);
res = gst_sdp_media_init(media);
//m=...
res = gst_sdp_media_set_media(media, "video");
res = gst_sdp_media_set_port_info(media, rtp_port, num_ports);
res = gst_sdp_media_set_proto(media, "RTP/AVP");
res = gst_sdp_media_add_format(media, szPayloadType);
//a=...
char *rtpmap = g_strdup_printf("%s %s/%d", szPayloadType, sink->encoding_name, sink->clock_rate);
res = gst_sdp_media_add_attribute(media, "rtpmap", rtpmap);
res = gst_sdp_media_add_attribute(media, "fmtp", szPayloadType);
res = gst_sdp_media_add_attribute(media, "control", "streamid=0");
// insert media into sdp
res = gst_sdp_message_add_media(sdp, media);
gchar * sdp_str = gst_sdp_message_as_text(sdp);
int size = g_utf8_strlen(sdp_str, 500);
gst_sdp_message_free(sdp);
gst_sdp_media_free(media);
res = gst_rtsp_message_set_body(&msg, sdp_str, size);
sink->responce = &msg;
// Send our packet receive server answer and check some basic checks.
if ((res = sendReceiveAndCheck(sink->conn, timeout, &msg, sink->debug)) != GST_RTSP_OK) {
return res;
}
// get session number
*szSessionNumber = extractSessionNumberFromMessage(&msg);
return GST_RTSP_OK;
}
