diff options
author | David Vossel <dvossel@digium.com> | 2009-03-24 20:01:29 +0000 |
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committer | David Vossel <dvossel@digium.com> | 2009-03-24 20:01:29 +0000 |
commit | da2230adf081d932294ffe5f2629ad66cc338917 (patch) | |
tree | 76ae843f10f9e72bf82058904748ffcab3e15aa2 /channels/chan_sip.c | |
parent | 3fd19b3ab64059865875a5bd0f5c22563f7794f4 (diff) |
SIP preferred codec only feature
Added an option to respond to a SIP invite with only the single most preferred joint codec. This limits the options of what codecs the other side can use.
(closes issue #12485)
Reported by: bamby
Review: http://reviewboard.digium.com/r/206/
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@183995 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'channels/chan_sip.c')
-rw-r--r-- | channels/chan_sip.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 0266070c9..c8a79b8da 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -1369,6 +1369,7 @@ struct sip_auth { /* Space for addition of other realtime flags in the future */ #define SIP_PAGE2_STATECHANGEQUEUE (1 << 9) /*!< D: Unsent state pending change exists */ +#define SIP_PAGE2_PREFERRED_CODEC (1 << 13) /*!< GDP: Only respond with single most preferred joint codec */ #define SIP_PAGE2_VIDEOSUPPORT (1 << 14) /*!< DP: Video supported if offered? */ #define SIP_PAGE2_TEXTSUPPORT (1 << 15) /*!< GDP: Global text enable */ #define SIP_PAGE2_ALLOWSUBSCRIBE (1 << 16) /*!< GP: Allow subscriptions from this peer? */ @@ -1398,7 +1399,7 @@ struct sip_auth { (SIP_PAGE2_ALLOWSUBSCRIBE | SIP_PAGE2_ALLOWOVERLAP | SIP_PAGE2_IGNORESDPVERSION | \ SIP_PAGE2_VIDEOSUPPORT | SIP_PAGE2_T38SUPPORT | SIP_PAGE2_RFC2833_COMPENSATE | \ SIP_PAGE2_BUGGY_MWI | SIP_PAGE2_TEXTSUPPORT | SIP_PAGE2_FAX_DETECT | \ - SIP_PAGE2_UDPTL_DESTINATION | SIP_PAGE2_VIDEOSUPPORT_ALWAYS) + SIP_PAGE2_UDPTL_DESTINATION | SIP_PAGE2_VIDEOSUPPORT_ALWAYS | SIP_PAGE2_PREFERRED_CODEC) /*@}*/ @@ -8064,11 +8065,15 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action p->peercapability = newpeercapability; /* The other sides capability in latest offer */ p->jointnoncodeccapability = newnoncodeccapability; /* DTMF capabilities */ + if (ast_test_flag(&p->flags[1], SIP_PAGE2_PREFERRED_CODEC)) { /* respond with single most preferred joint codec, limiting the other side's choice */ + p->jointcapability = ast_codec_choose(&p->prefs, p->jointcapability, 1); + } + if (p->jointcapability & AST_FORMAT_T140RED) { - p->red = 1; + p->red = 1; ast_rtp_red_init(p->trtp, 300, red_data_pt, 2); } else { - p->red = 0; + p->red = 0; } ast_rtp_pt_copy(p->rtp, newaudiortp); @@ -22697,6 +22702,8 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, str int error = ast_parse_allow_disallow(&peer->prefs, &peer->capability, v->value, FALSE); if (error) ast_log(LOG_WARNING, "Codec configuration errors found in line %d : %s = %s\n", v->lineno, v->name, v->value); + } else if (!strcasecmp(v->name, "preferred_codec_only")) { + ast_set2_flag(&peer->flags[1], ast_true(v->value), SIP_PAGE2_PREFERRED_CODEC); } else if (!strcasecmp(v->name, "registertrying")) { ast_set2_flag(&peer->flags[1], ast_true(v->value), SIP_PAGE2_REGISTERTRYING); } else if (!strcasecmp(v->name, "autoframing")) { @@ -23432,6 +23439,8 @@ static int reload_config(enum channelreloadreason reason) int error = ast_parse_allow_disallow(&default_prefs, &global_capability, v->value, FALSE); if (error) ast_log(LOG_WARNING, "Codec configuration errors found in line %d : %s = %s\n", v->lineno, v->name, v->value); + } else if (!strcasecmp(v->name, "preferred_codec_only")) { + ast_set2_flag(&global_flags[1], ast_true(v->value), SIP_PAGE2_PREFERRED_CODEC); } else if (!strcasecmp(v->name, "autoframing")) { global_autoframing = ast_true(v->value); } else if (!strcasecmp(v->name, "allowexternaldomains")) { |