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tell rtp stack about what remote payload type to expect when the receiving end follows the stupid SHOULD as WONT and sends a different dynamic payload number than the one in the offer

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This commit is contained in:
Anthony Minessale 2011-02-15 16:09:48 -06:00
parent 6ea5f03b44
commit c565501f55
4 changed files with 78 additions and 9 deletions
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2
src/include/switch_rtp.h
View File

@ -437,6 +437,8 @@ SWITCH_DECLARE(void) switch_rtp_set_private(switch_rtp_t *rtp_session, void *pri
*/
SWITCH_DECLARE(void) switch_rtp_set_telephony_event(switch_rtp_t *rtp_session, switch_payload_t te);
SWITCH_DECLARE(void) switch_rtp_set_telephony_recv_event(switch_rtp_t *rtp_session, switch_payload_t te);
SWITCH_DECLARE(void) switch_rtp_set_recv_pt(switch_rtp_t *rtp_session, switch_payload_t pt);
/*!
\brief Set the payload type for comfort noise
\param rtp_session the RTP session to modify

2
src/mod/endpoints/mod_sofia/mod_sofia.h
View File

@ -587,6 +587,8 @@ struct private_object {
sofia_private_t *sofia_private;
uint8_t flags[TFLAG_MAX];
switch_payload_t agreed_pt;
switch_payload_t audio_recv_pt;
switch_payload_t video_recv_pt;
switch_core_session_t *session;
switch_channel_t *channel;
switch_frame_t read_frame;

71
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -3234,6 +3234,11 @@ switch_status_t sofia_glue_activate_rtp(private_object_t *tech_pvt, switch_rtp_f
switch_rtp_set_telephony_recv_event(tech_pvt->rtp_session, tech_pvt->recv_te);
}
if (tech_pvt->audio_recv_pt != tech_pvt->agreed_pt) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_CRIT, "Set audio receive payload to %u\n", tech_pvt->audio_recv_pt);
switch_rtp_set_recv_pt(tech_pvt->rtp_session, tech_pvt->audio_recv_pt);
}
if (sofia_test_pflag(tech_pvt->profile, PFLAG_SUPPRESS_CNG) ||
((val = switch_channel_get_variable(tech_pvt->channel, "supress_cng")) && switch_true(val)) ||
((val = switch_channel_get_variable(tech_pvt->channel, "suppress_cng")) && switch_true(val))) {
@ -3307,7 +3312,7 @@ switch_status_t sofia_glue_activate_rtp(private_object_t *tech_pvt, switch_rtp_f
if ((rport = switch_channel_get_variable(tech_pvt->channel, "sip_remote_video_rtcp_port"))) {
remote_rtcp_port = (switch_port_t)atoi(rport);
}
if (switch_rtp_set_remote_address
(tech_pvt->video_rtp_session, tech_pvt->remote_sdp_video_ip, tech_pvt->remote_sdp_video_port, remote_rtcp_port, SWITCH_TRUE,
&err) != SWITCH_STATUS_SUCCESS) {
@ -3412,6 +3417,13 @@ switch_status_t sofia_glue_activate_rtp(private_object_t *tech_pvt, switch_rtp_f
switch_rtp_set_ssrc(tech_pvt->video_rtp_session, ssrc_ul);
}
if (tech_pvt->video_recv_pt != tech_pvt->video_agreed_pt) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG,
"Set video receive payload to %u\n", tech_pvt->video_recv_pt);
switch_rtp_set_recv_pt(tech_pvt->rtp_session, tech_pvt->video_recv_pt);
}
switch_channel_set_variable_printf(tech_pvt->channel, "sip_use_video_pt", "%d", tech_pvt->video_agreed_pt);
tech_pvt->video_ssrc = switch_rtp_get_ssrc(tech_pvt->rtp_session);
switch_channel_set_variable_printf(tech_pvt->channel, "rtp_use_video_ssrc", "%u", tech_pvt->ssrc);
@ -4038,6 +4050,24 @@ switch_t38_options_t *sofia_glue_extract_t38_options(switch_core_session_t *sess
}
switch_status_t sofia_glue_get_offered_pt(private_object_t *tech_pvt, const switch_codec_implementation_t *mimp, switch_payload_t *pt)
{
int i = 0;
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
if (!strcasecmp(imp->iananame, mimp->iananame)) {
*pt = tech_pvt->ianacodes[i];
return SWITCH_STATUS_SUCCESS;
}
}
return SWITCH_STATUS_FALSE;
}
uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_sdp)
{
uint8_t match = 0;
@ -4554,9 +4584,17 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
switch_snprintf(tmp, sizeof(tmp), "%d", tech_pvt->remote_sdp_audio_port);
switch_channel_set_variable(tech_pvt->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, tech_pvt->remote_sdp_audio_ip);
switch_channel_set_variable(tech_pvt->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp);
tech_pvt->audio_recv_pt = map->rm_pt;
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
sofia_glue_get_offered_pt(tech_pvt, mimp, &tech_pvt->audio_recv_pt);
}
switch_snprintf(tmp, sizeof(tmp), "%d", tech_pvt->audio_recv_pt);
switch_channel_set_variable(tech_pvt->channel, "sip_audio_recv_pt", tmp);
}
if (match) {
if (sofia_glue_tech_set_codec(tech_pvt, 1) == SWITCH_STATUS_SUCCESS) {
got_audio = 1;
@ -4583,7 +4621,7 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
}
}
if (!match && greedy && mine < tech_pvt->num_codecs) {
mine++;
skip = 0;
@ -4665,6 +4703,16 @@ uint8_t sofia_glue_negotiate_sdp(switch_core_session_t *session, const char *r_s
switch_snprintf(tmp, sizeof(tmp), "%d", tech_pvt->video_agreed_pt);
switch_channel_set_variable(tech_pvt->channel, "sip_video_pt", tmp);
sofia_glue_check_video_codecs(tech_pvt);
tech_pvt->video_recv_pt = map->rm_pt;
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
sofia_glue_get_offered_pt(tech_pvt, mimp, &tech_pvt->video_recv_pt);
}
switch_snprintf(tmp, sizeof(tmp), "%d", tech_pvt->video_recv_pt);
switch_channel_set_variable(tech_pvt->channel, "sip_video_recv_pt", tmp);
break;
} else {
vmatch = 0;
@ -5164,7 +5212,7 @@ static int recover_callback(void *pArg, int argc, char **argv, char **columnName
if ((tmp = switch_channel_get_variable(channel, "sip_use_pt"))) {
tech_pvt->pt = tech_pvt->agreed_pt = (switch_payload_t)atoi(tmp);
}
sofia_glue_tech_set_codec(tech_pvt, 1);
tech_pvt->adv_sdp_audio_ip = tech_pvt->extrtpip = (char *) ip;
@ -5219,6 +5267,19 @@ static int recover_callback(void *pArg, int argc, char **argv, char **columnName
switch_xml_free(xml);
return 0;
}
if (switch_rtp_ready(tech_pvt->rtp_session)) {
if ((tmp = switch_channel_get_variable(channel, "sip_audio_recv_pt"))) {
switch_rtp_set_recv_pt(tech_pvt->rtp_session, atoi(tmp));
}
}
if (switch_rtp_ready(tech_pvt->video_rtp_session)) {
if ((tmp = switch_channel_get_variable(channel, "sip_video_recv_pt"))) {
switch_rtp_set_recv_pt(tech_pvt->rtp_session, atoi(tmp));
}
}
}
if (switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE)) {

12
src/switch_rtp.c
View File

@ -1578,7 +1578,7 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_create(switch_rtp_t **new_rtp_session
rtp_session->recv_msg.header.cc = 0;
rtp_session->payload = payload;
rtp_session->rpayload = payload;
rtp_session->rtcp_send_msg.header.version = 2;
rtp_session->rtcp_send_msg.header.p = 0;
@ -1773,6 +1773,12 @@ SWITCH_DECLARE(void) switch_rtp_set_telephony_recv_event(switch_rtp_t *rtp_sessi
}
}
SWITCH_DECLARE(void) switch_rtp_set_recv_pt(switch_rtp_t *rtp_session, switch_payload_t pt)
{
rtp_session->rpayload = pt;
}
SWITCH_DECLARE(void) switch_rtp_set_cng_pt(switch_rtp_t *rtp_session, switch_payload_t pt)
{
rtp_session->cng_pt = pt;
@ -2813,7 +2819,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
rtp_session->recv_msg.header.pt != 13 &&
rtp_session->recv_msg.header.pt != rtp_session->recv_te &&
(!rtp_session->cng_pt || rtp_session->recv_msg.header.pt != rtp_session->cng_pt) &&
rtp_session->recv_msg.header.pt != rtp_session->payload) {
rtp_session->recv_msg.header.pt != rtp_session->rpayload) {
/* drop frames of incorrect payload number and return CNG frame instead */
return_cng_frame();
}
@ -3131,8 +3137,6 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
rtp_session->recv_msg.header.pt = 97;
}
rtp_session->rpayload = (switch_payload_t) rtp_session->recv_msg.header.pt;
break;
do_continue: