Move check for codec translators to an earlier place in the call, so we can fail gracefully (imported from 1.4)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@47021 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@ -1279,7 +1279,7 @@ static void add_codec_to_sdp(const struct sip_pvt *p, int codec, int sample_rate
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static void add_noncodec_to_sdp(const struct sip_pvt *p, int format, int sample_rate,
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char **m_buf, size_t *m_size, char **a_buf, size_t *a_size,
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int debug);
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static int add_sdp(struct sip_request *resp, struct sip_pvt *p);
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static enum sip_result add_sdp(struct sip_request *resp, struct sip_pvt *p);
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static void do_setnat(struct sip_pvt *p, int natflags);
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/*--- Authentication stuff */
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@ -2870,12 +2870,21 @@ static int sip_call(struct ast_channel *ast, char *dest, int timeout)
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res = update_call_counter(p, INC_CALL_RINGING);
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if ( res != -1 ) {
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p->callingpres = ast->cid.cid_pres;
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p->jointcapability = p->capability;
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p->t38.jointcapability = p->t38.capability;
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if (option_debug)
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ast_log(LOG_DEBUG,"Our T38 capability (%d), joint T38 capability (%d)\n", p->t38.capability, p->t38.jointcapability);
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transmit_invite(p, SIP_INVITE, 1, 2);
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p->initid = ast_sched_add(sched, SIP_TRANS_TIMEOUT, auto_congest, p);
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p->jointcapability = ast_translate_available_formats(p->capability, p->prefcodec);
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/* If there are no audio formats left to offer, punt */
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if (!(p->jointcapability & AST_FORMAT_AUDIO_MASK)) {
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ast_log(LOG_WARNING, "No audio format found to offer. Cancelling call to %s\n", p->username);
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res = -1;
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} else {
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p->t38.jointcapability = p->t38.capability;
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if (option_debug > 1)
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ast_log(LOG_DEBUG,"Our T38 capability (%d), joint T38 capability (%d)\n", p->t38.capability, p->t38.jointcapability);
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transmit_invite(p, SIP_INVITE, 1, 2);
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/* Initialize auto-congest time */
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p->initid = ast_sched_add(sched, SIP_TRANS_TIMEOUT, auto_congest, p);
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}
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}
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return res;
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}
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@ -6027,7 +6036,7 @@ static void add_noncodec_to_sdp(const struct sip_pvt *p, int format, int sample_
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}
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/*! \brief Add Session Description Protocol message */
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static int add_sdp(struct sip_request *resp, struct sip_pvt *p)
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static enum sip_result add_sdp(struct sip_request *resp, struct sip_pvt *p)
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{
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int len = 0;
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int alreadysent = 0;
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@ -6069,7 +6078,7 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p)
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if (!p->rtp) {
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ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n");
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return -1;
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return AST_FAILURE;
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}
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/* Set RTP Session ID and version */
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@ -6093,14 +6102,8 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p)
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dest.sin_port = sin.sin_port;
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}
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/* Ok, let's start working with codec selection here */
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capability = ast_translate_available_formats(p->jointcapability, p->prefcodec);
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capability = p->jointcapability;
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/* If there are no audio formats left to offer, punt */
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if (!(capability & AST_FORMAT_AUDIO_MASK)) {
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ast_log(LOG_WARNING, "No audio format found to offer.\n");
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return -1;
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}
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if (option_debug > 1) {
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char codecbuf[BUFSIZ];
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@ -6282,7 +6285,7 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p)
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ast_log(LOG_DEBUG, "Done building SDP. Settling with this capability: %s\n", ast_getformatname_multiple(buf, BUFSIZ, capability));
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}
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return 0;
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return AST_SUCCESS;
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}
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/*! \brief Used for 200 OK and 183 early media */
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