diff options
Diffstat (limited to 'res/res_pjsip_sdp_rtp.c')
-rw-r--r-- | res/res_pjsip_sdp_rtp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/res/res_pjsip_sdp_rtp.c b/res/res_pjsip_sdp_rtp.c index 97e365c10..c5a673aa4 100644 --- a/res/res_pjsip_sdp_rtp.c +++ b/res/res_pjsip_sdp_rtp.c @@ -410,13 +410,29 @@ static int set_caps(struct ast_sip_session *session, ast_format_cap_append_from_cap(caps, ast_channel_nativeformats(session->channel), AST_MEDIA_TYPE_UNKNOWN); ast_format_cap_remove_by_type(caps, media_type); + if (session->endpoint->preferred_codec_only){ struct ast_format *preferred_fmt = ast_format_cap_get_format(joint, 0); ast_format_cap_append(caps, preferred_fmt, 0); ao2_ref(preferred_fmt, -1); + } else if (!session->endpoint->asymmetric_rtp_codec) { + struct ast_format *best; + /* + * If we don't allow the sending codec to be changed on our side + * then get the best codec from the joint capabilities of the media + * type and use only that. This ensures the core won't start sending + * out a format that we aren't currently sending. + */ + + best = ast_format_cap_get_best_by_type(joint, media_type); + if (best) { + ast_format_cap_append(caps, best, ast_format_cap_get_framing(joint)); + ao2_ref(best, -1); + } } else { ast_format_cap_append_from_cap(caps, joint, media_type); } + /* * Apply the new formats to the channel, potentially changing * raw read/write formats and translation path while doing so. |