Merged revisions 318337 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

................
  r318337 | twilson | 2011-05-09 15:23:15 -0500 (Mon, 09 May 2011) | 18 lines

  Merged revisions 318331 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2

  ........
    r318331 | twilson | 2011-05-09 15:04:41 -0500 (Mon, 09 May 2011) | 12 lines

    Don't offer video to directmedia callee unless caller offered it as well

    Make sure that when directmedia is enabled, that video is not offered to the
    callee even if it supports it. p->vrtp will not exist since the caller didn't
    offer video.

    (closes issue #19195)
    Reported by: one47
    Patches:
          sip_cant_add_video_rtp uploaded by one47 (license 23)
  ........
................

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@318400 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index dc97c11..af83c8a 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -11069,11 +11069,15 @@ static enum sip_result add_sdp(struct sip_request *resp, struct sip_pvt *p, int
                doing_directmedia = (!ast_sockaddr_isnull(&p->redirip) && !(ast_format_cap_is_empty(p->redircaps))) ? TRUE : FALSE;
                /* Check if we need video in this call */
                if ((ast_format_cap_has_type(p->jointcaps, AST_FORMAT_TYPE_VIDEO)) && !p->novideo) {
-                       if (p->vrtp) {
+                       ast_format_cap_joint_copy(p->jointcaps, p->redircaps, tmpcap);
+                       if (doing_directmedia && !ast_format_cap_has_type(tmpcap, AST_FORMAT_TYPE_VIDEO)) {
+                               ast_debug(2, "This call needs video offers, but caller probably did not offer it!\n");
+                       } else if (p->vrtp) {
                                needvideo = TRUE;
                                ast_debug(2, "This call needs video offers!\n");
-                       } else
+                       } else {
                                ast_debug(2, "This call needs video offers, but there's no video support enabled!\n");
+                       }
                }
                /* Check if we need text in this call */
                if ((ast_format_cap_has_type(p->jointcaps, AST_FORMAT_TYPE_TEXT)) && !p->notext) {