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Add required items for Google video support.

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This adds legacy STUN support for RTCP sockets, adds RTCP candidates to the Google transport information, and adds required codec parameters.

(closes issue ASTERISK-20106)
Reported by: Malcolm Davenport


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369864 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2012-07-10 11:49:18 +00:00
parent 8f162be802
commit 7296b670d4
2 changed files with 56 additions and 5 deletions
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35
channels/chan_motif.c
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@@ -820,12 +820,15 @@ static int jingle_add_google_candidates_to_transport(struct ast_rtp_instance *rt
break;
}
/* We only support RTP candidates */
if (candidate->id != 1) {
if (candidate->id == 1) {
iks_insert_attrib(local_candidate, "name", !video ? "rtp" : "video_rtp");
} else if (candidate->id == 2) {
iks_insert_attrib(local_candidate, "name", !video ? "rtcp" : "video_rtcp");
} else {
iks_delete(local_candidate);
continue;
}
iks_insert_attrib(local_candidate, "name", !video ? "rtp" : "video_rtp");
iks_insert_attrib(local_candidate, "address", ast_sockaddr_stringify_host(&candidate->address));
iks_insert_attrib(local_candidate, "port", ast_sockaddr_stringify_port(&candidate->address));
@@ -1150,6 +1153,27 @@ static int jingle_add_payloads_to_description(struct jingle_session *session, st
iks_insert_attrib(payload, "clockrate", tmp);
}
if ((type == AST_FORMAT_TYPE_VIDEO) && (session->transport == JINGLE_TRANSPORT_GOOGLE_V2)) {
iks *parameter;
/* Google requires these parameters to be set, but alas we can not give accurate values so use some safe defaults */
if ((parameter = iks_new("parameter"))) {
iks_insert_attrib(parameter, "name", "width");
iks_insert_attrib(parameter, "value", "640");
iks_insert_node(payload, parameter);
}
if ((parameter = iks_new("parameter"))) {
iks_insert_attrib(parameter, "name", "height");
iks_insert_attrib(parameter, "value", "480");
iks_insert_node(payload, parameter);
}
if ((parameter = iks_new("parameter"))) {
iks_insert_attrib(parameter, "name", "framerate");
iks_insert_attrib(parameter, "value", "30");
iks_insert_node(payload, parameter);
}
}
iks_insert_node(description, payload);
payloads[i++] = payload;
}
@@ -2010,6 +2034,11 @@ static int jingle_interpret_google_transport(struct jingle_session *session, iks
continue;
}
/* We only permit audio and video, not RTCP */
if (strcasecmp(name, "rtp") && strcasecmp(name, "video_rtp")) {
continue;
}
/* Parse the target information so we can send a STUN request to the candidate */
if (sscanf(port, "%30d", &real_port) != 1) {
jingle_queue_hangup_with_cause(session, AST_CAUSE_PROTOCOL_ERROR);