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compiles the core wow

This commit is contained in:
Anthony Minessale 2012-12-21 16:57:59 -06:00
parent eb81042a6f
commit 3c51053bb4
7 changed files with 835 additions and 840 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/include/switch_core_media.h
View File

@ -48,7 +48,8 @@ typedef enum {
SM_NDLB_ALLOW_BAD_IANANAME = (1 << 0),
SM_NDLB_ALLOW_NONDUP_SDP = (1 << 1),
SM_NDLB_ALLOW_CRYPTO_IN_AVP = (1 << 2),
SM_NDLB_DISABLE_SRTP_AUTH = (1 << 3)
SM_NDLB_DISABLE_SRTP_AUTH = (1 << 3),
SM_NDLB_SENDRECV_IN_SESSION = (1 << 4)
} switch_core_media_NDLB_t;
typedef enum {
@ -125,10 +126,26 @@ typedef struct switch_core_media_params_s {
char *extsipip;
char *local_network;
char *sdp_username;
switch_mutex_t *mutex;
} switch_core_media_params_t;
static inline const char *switch_media_type2str(switch_media_type_t type)
{
switch(type) {
case SWITCH_MEDIA_TYPE_AUDIO:
return "audio";
case SWITCH_MEDIA_TYPE_VIDEO:
return "video";
default:
return "!ERR";
}
}
SWITCH_DECLARE(switch_status_t) switch_media_handle_create(switch_media_handle_t **smhp, switch_core_session_t *session, switch_core_media_params_t *params);
@ -170,6 +187,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_write_frame(switch_core_sessio
switch_frame_t *frame, switch_io_flag_t flags, int stream_id, switch_media_type_t type);
SWITCH_DECLARE(int) switch_core_media_check_nat(switch_media_handle_t *smh, const char *network_ip);
SWITCH_DECLARE(switch_status_t) switch_core_media_choose_port(switch_core_session_t *session, switch_media_type_t type, int force);
SWITCH_END_EXTERN_C
#endif
/* For Emacs:

2
src/include/switch_types.h
View File

@ -1290,6 +1290,8 @@ typedef enum {
CF_VIDEO_POSSIBLE,//TFLAG_VIDEO
CF_NOTIMER_DURING_BRIDGE,
CF_PASS_RFC2833,
CF_T38_PASSTHRU,
CF_DROP_DTMF,
/* WARNING: DO NOT ADD ANY FLAGS BELOW THIS LINE */
/* IF YOU ADD NEW ONES CHECK IF THEY SHOULD PERSIST OR ZERO THEM IN switch_core_session.c switch_core_session_request_xml() */
CF_FLAG_MAX

11
src/mod/endpoints/mod_sofia/mod_sofia.h
View File

@ -203,7 +203,6 @@ typedef enum {
PFLAG_RUNNING,
PFLAG_RESPAWN,
PFLAG_MULTIREG,
PFLAG_SUPPRESS_CNG,
PFLAG_TLS,
PFLAG_CHECKUSER,
PFLAG_SECURE,
@ -271,8 +270,7 @@ typedef enum {
typedef enum {
PFLAG_NDLB_TO_IN_200_CONTACT = (1 << 0),
PFLAG_NDLB_BROKEN_AUTH_HASH = (1 << 1),
PFLAG_NDLB_SENDRECV_IN_SESSION = (1 << 2),
PFLAG_NDLB_EXPIRES_IN_REGISTER_RESPONSE = (1 << 6)
PFLAG_NDLB_EXPIRES_IN_REGISTER_RESPONSE = (1 << 2)
} sofia_NDLB_t;
typedef enum {
@ -317,7 +315,6 @@ typedef enum {
TFLAG_CAPTURE,
TFLAG_REINVITED,
TFLAG_PASS_ACK,
TFLAG_DROP_DTMF,
/* No new flags below this line */
TFLAG_MAX
} TFLAGS;
@ -530,7 +527,6 @@ struct sofia_profile {
uint32_t rtpip_next;
char *sipip;
char *extsipip;
char *username;
char *url;
char *public_url;
char *bindurl;
@ -577,6 +573,7 @@ struct sofia_profile {
switch_core_media_flag_t media_flags[SCMF_MAX];
unsigned int mflags;
unsigned int ndlb;
unsigned int mdlb;
uint32_t max_calls;
uint32_t nonce_ttl;
nua_t *nua;
@ -745,8 +742,6 @@ struct private_object {
nua_handle_t *nh;
nua_handle_t *nh2;
sip_contact_t *contact;
uint32_t owner_id;
uint32_t session_id;
uint32_t max_missed_packets;
uint32_t max_missed_hold_packets;
/** VIDEO **/
@ -1140,9 +1135,7 @@ void sofia_glue_global_siptrace(switch_bool_t on);
void sofia_glue_global_capture(switch_bool_t on);
void sofia_glue_global_watchdog(switch_bool_t on);
void sofia_media_proxy_codec(switch_core_session_t *session, const char *r_sdp);
switch_status_t sofia_media_sdp_map(const char *r_sdp, switch_event_t **fmtp, switch_event_t **pt);
void sofia_glue_build_vid_refresh_message(switch_core_session_t *session, const char *pl);
void sofia_glue_check_dtmf_type(private_object_t *tech_pvt);
char *sofia_glue_gen_contact_str(sofia_profile_t *profile, sip_t const *sip, nua_handle_t *nh, sofia_dispatch_event_t *de, sofia_nat_parse_t *np);
void sofia_glue_pause_jitterbuffer(switch_core_session_t *session, switch_bool_t on);
void sofia_process_dispatch_event(sofia_dispatch_event_t **dep);

56
src/mod/endpoints/mod_sofia/sofia.c
View File

@ -3605,7 +3605,7 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
profile->local_network = "localnet.auto";
sofia_set_flag(profile, TFLAG_ENABLE_SOA);
sofia_set_pflag(profile, PFLAG_CID_IN_1XX);
profile->ndlb |= SM_NDLB_ALLOW_NONDUP_SDP;
profile->mndlb |= SM_NDLB_ALLOW_NONDUP_SDP;
profile->te = 101;
profile->ireg_seconds = IREG_SECONDS;
profile->paid_type = PAID_DEFAULT;
@ -3926,7 +3926,7 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
sofia_clear_media_flag(profile, SCMF_DISABLE_RTP_AUTOADJ);
}
} else if (!strcasecmp(var, "NDLB-support-asterisk-missing-srtp-auth") && switch_true(val)) {
profile->ndlb |= SM_NDLB_DISABLE_SRTP_AUTH;
profile->mndlb |= SM_NDLB_DISABLE_SRTP_AUTH;
} else if (!strcasecmp(var, "user-agent-filter")) {
profile->user_agent_filter = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "max-registrations-per-extension")) {
@ -4165,15 +4165,15 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
}
} else if (!strcasecmp(var, "NDLB-sendrecv-in-session")) {
if (switch_true(val)) {
profile->ndlb |= PFLAG_NDLB_SENDRECV_IN_SESSION;
profile->mndlb |= SM_NDLB_SENDRECV_IN_SESSION;
} else {
profile->ndlb &= ~PFLAG_NDLB_SENDRECV_IN_SESSION;
profile->mndlb &= ~SM_NDLB_SENDRECV_IN_SESSION;
}
} else if (!strcasecmp(var, "NDLB-allow-bad-iananame")) {
if (switch_true(val)) {
profile->ndlb |= SM_NDLB_ALLOW_BAD_IANANAME;
profile->mndlb |= SM_NDLB_ALLOW_BAD_IANANAME;
} else {
profile->ndlb &= ~SM_NDLB_ALLOW_BAD_IANANAME;
profile->mndlb &= ~SM_NDLB_ALLOW_BAD_IANANAME;
}
} else if (!strcasecmp(var, "NDLB-expires-in-register-response")) {
if (switch_true(val)) {
@ -4183,15 +4183,15 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
}
} else if (!strcasecmp(var, "NDLB-allow-crypto-in-avp")) {
if (switch_true(val)) {
profile->ndlb |= SM_NDLB_ALLOW_CRYPTO_IN_AVP;
profile->mndlb |= SM_NDLB_ALLOW_CRYPTO_IN_AVP;
} else {
profile->ndlb &= ~SM_NDLB_ALLOW_CRYPTO_IN_AVP;
profile->mndlb &= ~SM_NDLB_ALLOW_CRYPTO_IN_AVP;
}
} else if (!strcasecmp(var, "NDLB-allow-nondup-sdp")) {
if (switch_true(val)) {
profile->ndlb |= SM_NDLB_ALLOW_NONDUP_SDP;
profile->mndlb |= SM_NDLB_ALLOW_NONDUP_SDP;
} else {
profile->ndlb &= ~SM_NDLB_ALLOW_NONDUP_SDP;
profile->mndlb &= ~SM_NDLB_ALLOW_NONDUP_SDP;
}
} else if (!strcasecmp(var, "pass-rfc2833")) {
if (switch_true(val)) {
@ -4324,7 +4324,7 @@ switch_status_t config_sofia(sofia_config_t reload, char *profile_name)
profile->codec_flags = SWITCH_CODEC_FLAG_AAL2;
}
} else if (!strcasecmp(var, "username")) {
profile->username = switch_core_strdup(profile->pool, val);
profile->sdp_username = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "context")) {
profile->context = switch_core_strdup(profile->pool, val);
} else if (!strcasecmp(var, "apply-nat-acl")) {
@ -5229,37 +5229,7 @@ static void sofia_handle_sip_r_invite(switch_core_session_t *session, int status
switch_core_session_rwunlock(other_session);
goto end;
} else {
char *remote_host = switch_rtp_get_remote_host(tech_pvt->rtp_session);
switch_port_t remote_port = switch_rtp_get_remote_port(tech_pvt->rtp_session);
char tmp[32] = "";
tech_pvt->remote_sdp_audio_ip = switch_core_session_strdup(tech_pvt->session, t38_options->remote_ip);
tech_pvt->remote_sdp_audio_port = t38_options->remote_port;
if (remote_host && remote_port && !strcmp(remote_host, tech_pvt->remote_sdp_audio_ip) &&
remote_port == tech_pvt->remote_sdp_audio_port) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG,
"Audio params are unchanged for %s.\n",
switch_channel_get_name(tech_pvt->channel));
} else {
const char *err = NULL;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG,
"Audio params changed for %s from %s:%d to %s:%d\n",
switch_channel_get_name(tech_pvt->channel),
remote_host, remote_port, tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port);
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);
if (switch_rtp_set_remote_address(tech_pvt->rtp_session, tech_pvt->remote_sdp_audio_ip,
tech_pvt->remote_sdp_audio_port, 0, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
switch_channel_hangup(channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
}
}
switch_core_media_copy_t38_options(t38_options, other_session);
switch_core_media_process_t38_passthru(session, other_session, t38_options);
}
}
@ -5629,7 +5599,7 @@ static void sofia_handle_sip_i_state(switch_core_session_t *session, int status,
if (r_sdp) {
if (!(profile->ndlb & SM_NDLB_ALLOW_NONDUP_SDP) || (!zstr(tech_pvt->remote_sdp_str) && !strcmp(tech_pvt->remote_sdp_str, r_sdp))) {
if (!(profile->mndlb & SM_NDLB_ALLOW_NONDUP_SDP) || (!zstr(tech_pvt->remote_sdp_str) && !strcmp(tech_pvt->remote_sdp_str, r_sdp))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Duplicate SDP\n%s\n", r_sdp);
is_dup_sdp = 1;
} else {

98
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -178,23 +178,6 @@ void sofia_glue_set_udptl_image_sdp(private_object_t *tech_pvt, switch_t38_optio
}
void sofia_glue_check_dtmf_type(private_object_t *tech_pvt)
{
const char *val;
if ((val = switch_channel_get_variable(tech_pvt->channel, "dtmf_type"))) {
if (!strcasecmp(val, "rfc2833")) {
tech_pvt->dtmf_type = DTMF_2833;
} else if (!strcasecmp(val, "info")) {
tech_pvt->dtmf_type = DTMF_INFO;
} else if (!strcasecmp(val, "none")) {
tech_pvt->dtmf_type = DTMF_NONE;
} else {
tech_pvt->dtmf_type = tech_pvt->profile->dtmf_type;
}
}
}
private_object_t *sofia_glue_new_pvt(switch_core_session_t *session)
{
@ -279,7 +262,7 @@ void sofia_glue_attach_private(switch_core_session_t *session, sofia_profile_t *
switch_channel_set_cap(tech_pvt->channel, CC_FS_RTP);
switch_channel_set_cap(tech_pvt->channel, CC_QUEUEABLE_DTMF_DELAY);
tech_pvt->mparams->ndlb = tech_pvt->profile->ndlb;
tech_pvt->mparams->ndlb = tech_pvt->profile->mndlb;
tech_pvt->mparams->inbound_codec_string = profile->inbound_codec_string;
tech_pvt->mparams->outbound_codec_string = profile->outbound_codec_string;
tech_pvt->mparams->auto_rtp_bugs = profile->auto_rtp_bugs;
@ -289,6 +272,7 @@ void sofia_glue_attach_private(switch_core_session_t *session, sofia_profile_t *
tech_pvt->mparams->manual_video_rtp_bugs = profile->manual_video_rtp_bugs;
tech_pvt->mparams->extsipip = profile->extsipip;
tech_pvt->mparams->local_network = profile->local_network;
tech_pvt->mparams->mutex = tech_pvt->sofia_mutex;
switch_media_handle_create(&tech_pvt->media_handle, session, &tech_pvt->mparams);
@ -318,76 +302,6 @@ const char *sofia_glue_get_unknown_header(sip_t const *sip, const char *name)
return NULL;
}
switch_status_t sofia_glue_tech_choose_port(private_object_t *tech_pvt, int force)
{
char *lookup_rtpip = tech_pvt->rtpip; /* Pointer to externally looked up address */
switch_port_t sdp_port, rtcp_port; /* The external port to be sent in the SDP */
const char *use_ip = NULL; /* The external IP to be sent in the SDP */
/* Don't do anything if we're in proxy mode or if a (remote) port already has been found */
if (!force) {
if (switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MODE) ||
switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MEDIA) || tech_pvt->adv_sdp_audio_port) {
return SWITCH_STATUS_SUCCESS;
}
}
/* Release the local sdp port */
if (tech_pvt->local_sdp_audio_port) {
switch_rtp_release_port(tech_pvt->rtpip, tech_pvt->local_sdp_audio_port);
}
/* Request a local port from the core's allocator */
if (!(tech_pvt->local_sdp_audio_port = switch_rtp_request_port(tech_pvt->rtpip))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_CRIT, "No RTP ports available!\n");
return SWITCH_STATUS_FALSE;
}
tech_pvt->local_sdp_audio_ip = tech_pvt->rtpip;
sdp_port = tech_pvt->local_sdp_audio_port;
/* Check if NAT is detected */
if (!zstr(tech_pvt->remote_ip) && sofia_glue_check_nat(tech_pvt->profile, tech_pvt->remote_ip)) {
/* Yes, map the port through switch_nat */
switch_nat_add_mapping(tech_pvt->local_sdp_audio_port, SWITCH_NAT_UDP, &sdp_port, SWITCH_FALSE);
switch_nat_add_mapping(tech_pvt->local_sdp_audio_port + 1, SWITCH_NAT_UDP, &rtcp_port, SWITCH_FALSE);
/* Find an IP address to use */
if (!(use_ip = switch_channel_get_variable(tech_pvt->channel, "rtp_adv_audio_ip"))
&& !zstr(tech_pvt->profile->extrtpip)) {
use_ip = tech_pvt->profile->extrtpip;
}
if (use_ip) {
if (sofia_glue_ext_address_lookup(tech_pvt->profile, tech_pvt, &lookup_rtpip, &sdp_port,
use_ip, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
/* Address lookup was required and fail (external ip was "host:..." or "stun:...") */
return SWITCH_STATUS_FALSE;
} else {
/* Address properly resolved, use it as external ip */
use_ip = lookup_rtpip;
}
} else {
/* No external ip found, use the profile's rtp ip */
use_ip = tech_pvt->rtpip;
}
} else {
/* No NAT traversal required, use the profile's rtp ip */
use_ip = tech_pvt->rtpip;
}
tech_pvt->adv_sdp_audio_port = sdp_port;
tech_pvt->adv_sdp_audio_ip = tech_pvt->extrtpip = switch_core_session_strdup(tech_pvt->session, use_ip);
switch_channel_set_variable(tech_pvt->channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, tech_pvt->local_sdp_audio_ip);
switch_channel_set_variable_printf(tech_pvt->channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, "%d", sdp_port);
switch_channel_set_variable(tech_pvt->channel, SWITCH_ADVERTISED_MEDIA_IP_VARIABLE, tech_pvt->adv_sdp_audio_ip);
return SWITCH_STATUS_SUCCESS;
}
sofia_transport_t sofia_glue_str2transport(const char *str)
{
if (!strncasecmp(str, "udp", 3)) {
@ -1954,6 +1868,12 @@ void sofia_glue_del_profile(sofia_profile_t *profile)
switch_mutex_unlock(mod_sofia_globals.hash_mutex);
}
#if 1
int sofia_recover_callback(switch_core_session_t *session)
{
return -1;
}
#else
int sofia_recover_callback(switch_core_session_t *session)
{
@ -2184,6 +2104,8 @@ int sofia_recover_callback(switch_core_session_t *session)
return r;
}
#endif
int sofia_glue_recover(switch_bool_t flush)
{

680
src/mod/endpoints/mod_sofia/sofia_media.c
View File

@ -73,65 +73,6 @@ void sofia_media_tech_absorb_sdp(private_object_t *tech_pvt)
switch_status_t sofia_media_sdp_map(const char *r_sdp, switch_event_t **fmtp, switch_event_t **pt)
{
sdp_media_t *m;
sdp_parser_t *parser = NULL;
sdp_session_t *sdp;
if (!(parser = sdp_parse(NULL, r_sdp, (int) strlen(r_sdp), 0))) {
return SWITCH_STATUS_FALSE;
}
if (!(sdp = sdp_session(parser))) {
sdp_parser_free(parser);
return SWITCH_STATUS_FALSE;
}
switch_event_create(&(*fmtp), SWITCH_EVENT_REQUEST_PARAMS);
switch_event_create(&(*pt), SWITCH_EVENT_REQUEST_PARAMS);
for (m = sdp->sdp_media; m; m = m->m_next) {
if (m->m_proto == sdp_proto_rtp) {
sdp_rtpmap_t *map;
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_encoding) {
char buf[25] = "";
char key[128] = "";
char *br = NULL;
if (map->rm_fmtp) {
if ((br = strstr(map->rm_fmtp, "bitrate="))) {
br += 8;
}
}
switch_snprintf(buf, sizeof(buf), "%d", map->rm_pt);
if (br) {
switch_snprintf(key, sizeof(key), "%s:%s", map->rm_encoding, br);
} else {
switch_snprintf(key, sizeof(key), "%s", map->rm_encoding);
}
switch_event_add_header_string(*pt, SWITCH_STACK_BOTTOM, key, buf);
if (map->rm_fmtp) {
switch_event_add_header_string(*fmtp, SWITCH_STACK_BOTTOM, key, map->rm_fmtp);
}
}
}
}
}
sdp_parser_free(parser);
return SWITCH_STATUS_SUCCESS;
}
void sofia_media_proxy_codec(switch_core_session_t *session, const char *r_sdp)
{
sdp_media_t *m;
@ -507,618 +448,6 @@ switch_status_t sofia_media_tech_media(private_object_t *tech_pvt, const char *r
}
static void generate_m(private_object_t *tech_pvt, char *buf, size_t buflen,
switch_port_t port,
int cur_ptime, const char *append_audio, const char *sr, int use_cng, int cng_type, switch_event_t *map, int verbose_sdp, int secure)
{
int i = 0;
int rate;
int already_did[128] = { 0 };
int ptime = 0, noptime = 0;
const char *local_audio_crypto_key = switch_core_session_local_crypto_key(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO);
const char *local_sdp_audio_zrtp_hash;
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "m=audio %d RTP/%sAVP",
port, secure ? "S" : "");
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
int this_ptime = (imp->microseconds_per_packet / 1000);
if (!strcasecmp(imp->iananame, "ilbc")) {
this_ptime = 20;
}
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
continue;
}
if (!noptime) {
if (!cur_ptime) {
#if 0
if (ptime) {
if (ptime != this_ptime) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"Codec %s payload %d added to sdp wanting ptime %d but it's already %d (%s:%d:%d), disabling ptime.\n",
imp->iananame,
tech_pvt->ianacodes[i],
this_ptime,
ptime,
tech_pvt->codecs[0]->iananame,
tech_pvt->codecs[0]->ianacode,
ptime);
ptime = 0;
noptime = 1;
}
} else {
ptime = this_ptime;
}
#else
if (!ptime) {
ptime = this_ptime;
}
#endif
} else {
if (this_ptime != cur_ptime) {
continue;
}
}
}
if (tech_pvt->ianacodes[i] < 128) {
if (already_did[tech_pvt->ianacodes[i]]) {
continue;
}
already_did[tech_pvt->ianacodes[i]] = 1;
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", tech_pvt->ianacodes[i]);
}
if (tech_pvt->dtmf_type == DTMF_2833 && tech_pvt->te > 95) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", tech_pvt->te);
}
if (!sofia_test_pflag(tech_pvt->profile, PFLAG_SUPPRESS_CNG) && cng_type && use_cng) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", cng_type);
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "\n");
memset(already_did, 0, sizeof(already_did));
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
char *fmtp = imp->fmtp;
int this_ptime = imp->microseconds_per_packet / 1000;
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
continue;
}
if (!strcasecmp(imp->iananame, "ilbc")) {
this_ptime = 20;
}
if (!noptime) {
if (!cur_ptime) {
if (!ptime) {
ptime = this_ptime;
}
} else {
if (this_ptime != cur_ptime) {
continue;
}
}
}
if (tech_pvt->ianacodes[i] < 128) {
if (already_did[tech_pvt->ianacodes[i]]) {
continue;
}
already_did[tech_pvt->ianacodes[i]] = 1;
}
rate = imp->samples_per_second;
if (map) {
char key[128] = "";
char *check = NULL;
switch_snprintf(key, sizeof(key), "%s:%u", imp->iananame, imp->bits_per_second);
if ((check = switch_event_get_header(map, key)) || (check = switch_event_get_header(map, imp->iananame))) {
fmtp = check;
}
}
if (tech_pvt->ianacodes[i] > 95 || verbose_sdp) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d %s/%d\n", tech_pvt->ianacodes[i], imp->iananame, rate);
}
if (fmtp) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=fmtp:%d %s\n", tech_pvt->ianacodes[i], fmtp);
}
}
if ((tech_pvt->dtmf_type == DTMF_2833 || sofia_test_pflag(tech_pvt->profile, PFLAG_LIBERAL_DTMF) ||
switch_channel_test_flag(tech_pvt->channel, CF_LIBERAL_DTMF)) && tech_pvt->te > 95) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", tech_pvt->te, tech_pvt->te);
}
if (secure) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=crypto:%s\n", local_audio_crypto_key);
//switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=encryption:optional\n");
}
if (!cng_type) {
//switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d CN/8000\n", cng_type);
//} else {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=silenceSupp:off - - - -\n");
}
if (append_audio) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "%s%s", append_audio, end_of(append_audio) == '\n' ? "" : "\n");
}
if (!cur_ptime) {
cur_ptime = ptime;
}
if (!noptime && cur_ptime) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ptime:%d\n", cur_ptime);
}
local_sdp_audio_zrtp_hash = switch_core_media_get_zrtp_hash(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_TRUE);
if (local_sdp_audio_zrtp_hash) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG, "Adding audio a=zrtp-hash:%s\n", local_sdp_audio_zrtp_hash);
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=zrtp-hash:%s\n", local_sdp_audio_zrtp_hash);
}
if (!zstr(sr)) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=%s\n", sr);
}
}
#define SDPBUFLEN 65536
void sofia_media_set_local_sdp(private_object_t *tech_pvt, const char *ip, switch_port_t port, const char *sr, int force)
{
char *buf;
int ptime = 0;
uint32_t rate = 0;
uint32_t v_port;
int use_cng = 1;
const char *val;
const char *family;
const char *pass_fmtp = switch_channel_get_variable(tech_pvt->channel, "sip_video_fmtp");
const char *ov_fmtp = switch_channel_get_variable(tech_pvt->channel, "sip_force_video_fmtp");
const char *append_audio = switch_channel_get_variable(tech_pvt->channel, "sip_append_audio_sdp");
char srbuf[128] = "";
const char *var_val;
const char *username = tech_pvt->profile->username;
const char *fmtp_out = tech_pvt->fmtp_out;
const char *fmtp_out_var = switch_channel_get_variable(tech_pvt->channel, "sip_force_audio_fmtp");
switch_event_t *map = NULL, *ptmap = NULL;
const char *b_sdp = NULL;
int verbose_sdp = 0;
const char *local_audio_crypto_key = switch_core_session_local_crypto_key(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO);
const char *local_sdp_audio_zrtp_hash = switch_core_media_get_zrtp_hash(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_TRUE);
const char *local_sdp_video_zrtp_hash = switch_core_media_get_zrtp_hash(tech_pvt->session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_TRUE);
switch_zmalloc(buf, SDPBUFLEN);
sofia_glue_check_dtmf_type(tech_pvt);
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))) {
use_cng = 0;
tech_pvt->cng_pt = 0;
}
if (!tech_pvt->payload_space) {
int i;
tech_pvt->payload_space = 98;
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
tech_pvt->ianacodes[i] = imp->ianacode;
if (tech_pvt->ianacodes[i] > 64) {
if (tech_pvt->dtmf_type == DTMF_2833 && tech_pvt->te > 95 && tech_pvt->te == tech_pvt->payload_space) {
tech_pvt->payload_space++;
}
if (!sofia_test_pflag(tech_pvt->profile, PFLAG_SUPPRESS_CNG) &&
tech_pvt->cng_pt && use_cng && tech_pvt->cng_pt == tech_pvt->payload_space) {
tech_pvt->payload_space++;
}
tech_pvt->ianacodes[i] = tech_pvt->payload_space++;
}
}
}
if (fmtp_out_var) {
fmtp_out = fmtp_out_var;
}
if ((val = switch_channel_get_variable(tech_pvt->channel, "verbose_sdp")) && switch_true(val)) {
verbose_sdp = 1;
}
if (!force && !ip && zstr(sr)
&& (switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MODE) || switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MEDIA))) {
switch_safe_free(buf);
return;
}
if (!ip) {
if (!(ip = tech_pvt->adv_sdp_audio_ip)) {
ip = tech_pvt->proxy_sdp_audio_ip;
}
}
if (!ip) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "%s NO IP!\n", switch_channel_get_name(tech_pvt->channel));
switch_safe_free(buf);
return;
}
if (!port) {
if (!(port = tech_pvt->adv_sdp_audio_port)) {
port = tech_pvt->proxy_sdp_audio_port;
}
}
if (!port) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "%s NO PORT!\n", switch_channel_get_name(tech_pvt->channel));
switch_safe_free(buf);
return;
}
if (!tech_pvt->rm_encoding && (b_sdp = switch_channel_get_variable(tech_pvt->channel, SWITCH_B_SDP_VARIABLE))) {
sofia_media_sdp_map(b_sdp, &map, &ptmap);
}
if (zstr(sr)) {
if ((var_val = switch_channel_get_variable(tech_pvt->channel, "media_audio_mode"))) {
sr = var_val;
} else {
sr = "sendrecv";
}
}
if (!tech_pvt->owner_id) {
tech_pvt->owner_id = (uint32_t) switch_epoch_time_now(NULL) - port;
}
if (!tech_pvt->session_id) {
tech_pvt->session_id = tech_pvt->owner_id;
}
if (switch_true(switch_channel_get_variable_dup(tech_pvt->channel, "drop_dtmf", SWITCH_FALSE, -1))) {
sofia_set_flag(tech_pvt, TFLAG_DROP_DTMF);
}
tech_pvt->session_id++;
if ((tech_pvt->profile->ndlb & PFLAG_NDLB_SENDRECV_IN_SESSION) ||
((var_val = switch_channel_get_variable(tech_pvt->channel, "ndlb_sendrecv_in_session")) && switch_true(var_val))) {
if (!zstr(sr)) {
switch_snprintf(srbuf, sizeof(srbuf), "a=%s\n", sr);
}
sr = NULL;
}
family = strchr(ip, ':') ? "IP6" : "IP4";
switch_snprintf(buf, SDPBUFLEN,
"v=0\n"
"o=%s %010u %010u IN %s %s\n"
"s=%s\n"
"c=IN %s %s\n" "t=0 0\n"
"%s",
username, tech_pvt->owner_id, tech_pvt->session_id, family, ip, username, family, ip, srbuf);
if (tech_pvt->rm_encoding) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "m=audio %d RTP/%sAVP",
port, (!zstr(local_audio_crypto_key) && switch_channel_test_flag(tech_pvt->channel, CF_SECURE)) ? "S" : "");
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", tech_pvt->pt);
if ((tech_pvt->dtmf_type == DTMF_2833 || sofia_test_pflag(tech_pvt->profile, PFLAG_LIBERAL_DTMF) ||
switch_channel_test_flag(tech_pvt->channel, CF_LIBERAL_DTMF)) && tech_pvt->te > 95) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", tech_pvt->te);
}
if (!sofia_test_pflag(tech_pvt->profile, PFLAG_SUPPRESS_CNG) && tech_pvt->cng_pt && use_cng) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", tech_pvt->cng_pt);
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "\n");
rate = tech_pvt->rm_rate;
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%d\n", tech_pvt->agreed_pt, tech_pvt->rm_encoding, rate);
if (fmtp_out) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=fmtp:%d %s\n", tech_pvt->agreed_pt, fmtp_out);
}
if (tech_pvt->read_codec.implementation && !ptime) {
ptime = tech_pvt->read_codec.implementation->microseconds_per_packet / 1000;
}
if ((tech_pvt->dtmf_type == DTMF_2833 || sofia_test_pflag(tech_pvt->profile, PFLAG_LIBERAL_DTMF) ||
switch_channel_test_flag(tech_pvt->channel, CF_LIBERAL_DTMF))
&& tech_pvt->te > 95) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", tech_pvt->te, tech_pvt->te);
}
if (!sofia_test_pflag(tech_pvt->profile, PFLAG_SUPPRESS_CNG) && tech_pvt->cng_pt && use_cng) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d CN/8000\n", tech_pvt->cng_pt);
if (!tech_pvt->rm_encoding) {
tech_pvt->cng_pt = 0;
}
} else {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=silenceSupp:off - - - -\n");
}
if (append_audio) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "%s%s", append_audio, end_of(append_audio) == '\n' ? "" : "\n");
}
if (ptime) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ptime:%d\n", ptime);
}
if (local_sdp_audio_zrtp_hash) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG, "Adding audio a=zrtp-hash:%s\n",
local_sdp_audio_zrtp_hash);
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=zrtp-hash:%s\n",
local_sdp_audio_zrtp_hash);
}
if (!zstr(sr)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=%s\n", sr);
}
if (!zstr(local_audio_crypto_key) && switch_channel_test_flag(tech_pvt->channel, CF_SECURE)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=crypto:%s\n", local_audio_crypto_key);
//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=encryption:optional\n");
}
} else if (tech_pvt->num_codecs) {
int i;
int cur_ptime = 0, this_ptime = 0, cng_type = 0;
const char *mult;
if (!sofia_test_pflag(tech_pvt->profile, PFLAG_SUPPRESS_CNG) && tech_pvt->cng_pt && use_cng) {
cng_type = tech_pvt->cng_pt;
if (!tech_pvt->rm_encoding) {
tech_pvt->cng_pt = 0;
}
}
mult = switch_channel_get_variable(tech_pvt->channel, "sdp_m_per_ptime");
if (mult && switch_false(mult)) {
char *bp = buf;
int both = 1;
if ((!zstr(local_audio_crypto_key) && switch_channel_test_flag(tech_pvt->channel, CF_SECURE))) {
generate_m(tech_pvt, buf, SDPBUFLEN, port, 0, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 1);
bp = (buf + strlen(buf));
/* asterisk can't handle AVP and SAVP in sep streams, way to blow off the spec....*/
if (switch_true(switch_channel_get_variable(tech_pvt->channel, "sdp_secure_savp_only"))) {
both = 0;
}
}
if (both) {
generate_m(tech_pvt, bp, SDPBUFLEN - strlen(buf), port, 0, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 0);
}
} else {
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
continue;
}
this_ptime = imp->microseconds_per_packet / 1000;
if (!strcasecmp(imp->iananame, "ilbc")) {
this_ptime = 20;
}
if (cur_ptime != this_ptime) {
char *bp = buf;
int both = 1;
cur_ptime = this_ptime;
if ((!zstr(local_audio_crypto_key) && switch_channel_test_flag(tech_pvt->channel, CF_SECURE))) {
generate_m(tech_pvt, bp, SDPBUFLEN - strlen(buf), port, cur_ptime, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 1);
bp = (buf + strlen(buf));
/* asterisk can't handle AVP and SAVP in sep streams, way to blow off the spec....*/
if (switch_true(switch_channel_get_variable(tech_pvt->channel, "sdp_secure_savp_only"))) {
both = 0;
}
}
if (both) {
generate_m(tech_pvt, bp, SDPBUFLEN - strlen(buf), port, cur_ptime, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 0);
}
}
}
}
}
if (switch_channel_test_flag(tech_pvt->channel, CF_VIDEO_POSSIBLE)) {
const char *local_video_crypto_key = switch_core_session_local_crypto_key(tech_pvt->session, SWITCH_MEDIA_TYPE_VIDEO);
if (!tech_pvt->local_sdp_video_port) {
sofia_glue_tech_choose_video_port(tech_pvt, 0);
}
if ((v_port = tech_pvt->adv_sdp_video_port)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "m=video %d RTP/%sAVP",
v_port, (!zstr(local_video_crypto_key) && switch_channel_test_flag(tech_pvt->channel, CF_SECURE)) ? "S" : "");
/*****************************/
if (tech_pvt->video_rm_encoding) {
switch_core_media_set_video_codec(tech_pvt->session, 0);
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", tech_pvt->video_agreed_pt);
} else if (tech_pvt->num_codecs) {
int i;
int already_did[128] = { 0 };
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
continue;
}
if (tech_pvt->ianacodes[i] < 128) {
if (already_did[tech_pvt->ianacodes[i]]) {
continue;
}
already_did[tech_pvt->ianacodes[i]] = 1;
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", tech_pvt->ianacodes[i]);
if (!ptime) {
ptime = imp->microseconds_per_packet / 1000;
}
}
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "\n");
if (tech_pvt->video_rm_encoding) {
const char *of;
rate = tech_pvt->video_rm_rate;
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%ld\n", tech_pvt->video_pt, tech_pvt->video_rm_encoding,
tech_pvt->video_rm_rate);
if (switch_channel_test_flag(tech_pvt->channel, CF_RECOVERING)) {
pass_fmtp = tech_pvt->video_rm_fmtp;
} else {
pass_fmtp = NULL;
if (switch_channel_get_partner_uuid(tech_pvt->channel)) {
if ((of = switch_channel_get_variable_partner(tech_pvt->channel, "sip_video_fmtp"))) {
pass_fmtp = of;
}
}
if (ov_fmtp) {
pass_fmtp = ov_fmtp;
}// else { // seems to break eyebeam at least...
//pass_fmtp = switch_channel_get_variable(tech_pvt->channel, "sip_video_fmtp");
//}
}
if (pass_fmtp) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=fmtp:%d %s\n", tech_pvt->video_pt, pass_fmtp);
}
} else if (tech_pvt->num_codecs) {
int i;
int already_did[128] = { 0 };
for (i = 0; i < tech_pvt->num_codecs; i++) {
const switch_codec_implementation_t *imp = tech_pvt->codecs[i];
char *fmtp = NULL;
uint32_t ianacode = tech_pvt->ianacodes[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
continue;
}
if (ianacode < 128) {
if (already_did[ianacode]) {
continue;
}
already_did[ianacode] = 1;
}
if (!rate) {
rate = imp->samples_per_second;
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%d\n", ianacode, imp->iananame,
imp->samples_per_second);
if (!zstr(ov_fmtp)) {
fmtp = (char *) ov_fmtp;
} else {
if (map) {
fmtp = switch_event_get_header(map, imp->iananame);
}
if (zstr(fmtp)) fmtp = imp->fmtp;
if (zstr(fmtp)) fmtp = (char *) pass_fmtp;
}
if (!zstr(fmtp) && strcasecmp(fmtp, "_blank_")) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=fmtp:%d %s\n", ianacode, fmtp);
}
}
}
if (switch_channel_test_flag(tech_pvt->channel, CF_SECURE)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=crypto:%s\n", local_video_crypto_key);
//switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=encryption:optional\n");
}
if (local_sdp_video_zrtp_hash) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_DEBUG, "Adding video a=zrtp-hash:%s\n", local_sdp_video_zrtp_hash);
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=zrtp-hash:%s\n", local_sdp_video_zrtp_hash);
}
}
}
if (map) {
switch_event_destroy(&map);
}
if (ptmap) {
switch_event_destroy(&ptmap);
}
sofia_media_tech_set_local_sdp(tech_pvt, buf, SWITCH_TRUE);
switch_safe_free(buf);
}
void sofia_media_tech_prepare_codecs(private_object_t *tech_pvt)
{
const char *abs, *codec_string = NULL;
@ -1459,15 +788,6 @@ void sofia_media_tech_patch_sdp(private_object_t *tech_pvt)
}
void sofia_media_tech_set_local_sdp(private_object_t *tech_pvt, const char *sdp_str, switch_bool_t dup)
{
switch_mutex_lock(tech_pvt->sofia_mutex);
tech_pvt->local_sdp_str = dup ? switch_core_session_strdup(tech_pvt->session, sdp_str) : (char *) sdp_str;
switch_channel_set_variable(tech_pvt->channel, "sip_local_sdp_str", tech_pvt->local_sdp_str);
switch_mutex_unlock(tech_pvt->sofia_mutex);
}
char *sofia_media_get_multipart(switch_core_session_t *session, const char *prefix, const char *sdp, char **mp_type)
{
char *extra_headers = NULL;

805
src/switch_core_media.c
View File

@ -148,6 +148,9 @@ struct switch_media_handle_s {
switch_payload_t ianacodes[SWITCH_MAX_CODECS];//x:tp
int video_count;//x:tp
uint32_t owner_id;
uint32_t session_id;
switch_core_media_params_t *mparams;
};
@ -373,6 +376,60 @@ SWITCH_DECLARE(switch_t38_options_t *) switch_core_media_extract_t38_options(swi
//?
SWITCH_DECLARE(switch_status_t) switch_core_media_process_t38_passthru(switch_core_session_t *session,
switch_core_session_t *other_session, switch_t38_options_t *t38_options)
{
char *remote_host;
switch_port_t remote_port;
char tmp[32] = "";
switch_rtp_engine_t *a_engine;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return SWITCH_STATUS_FALSE;;
}
a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
remote_host = switch_rtp_get_remote_host(a_engine->rtp_session);
remote_port = switch_rtp_get_remote_port(a_engine->rtp_session);
a_engine->codec_params.remote_sdp_ip = switch_core_session_strdup(session, t38_options->remote_ip);
a_engine->codec_params.remote_sdp_port = t38_options->remote_port;
if (remote_host && remote_port && !strcmp(remote_host, a_engine->codec_params.remote_sdp_ip) &&
remote_port == a_engine->codec_params.remote_sdp_port) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG,
"Audio params are unchanged for %s.\n",
switch_channel_get_name(session->channel));
} else {
const char *err = NULL;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG,
"Audio params changed for %s from %s:%d to %s:%d\n",
switch_channel_get_name(session->channel),
remote_host, remote_port, a_engine->codec_params.remote_sdp_ip, a_engine->codec_params.remote_sdp_port);
switch_snprintf(tmp, sizeof(tmp), "%d", a_engine->codec_params.remote_sdp_port);
switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_IP_VARIABLE, a_engine->codec_params.remote_sdp_ip);
switch_channel_set_variable(session->channel, SWITCH_REMOTE_MEDIA_PORT_VARIABLE, tmp);
if (switch_rtp_set_remote_address(a_engine->rtp_session, a_engine->codec_params.remote_sdp_ip,
a_engine->codec_params.remote_sdp_port, 0, SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "AUDIO RTP REPORTS ERROR: [%s]\n", err);
switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION);
}
}
switch_core_media_copy_t38_options(t38_options, other_session);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(const char *)switch_core_media_get_codec_string(switch_core_session_t *session)
@ -2721,55 +2778,55 @@ SWITCH_DECLARE(switch_status_t) sofia_glue_ext_address_lookup(switch_core_sessio
}
//?
SWITCH_DECLARE(switch_status_t) switch_core_media_choose_video_port(switch_core_session_t *session, int force)
SWITCH_DECLARE(switch_status_t) switch_core_media_choose_port(switch_core_session_t *session, switch_media_type_t type, int force)
{
char *lookup_rtpip; /* Pointer to externally looked up address */
switch_port_t sdp_port; /* The external port to be sent in the SDP */
const char *use_ip = NULL; /* The external IP to be sent in the SDP */
switch_rtp_engine_t *a_engine, *v_engine;
switch_rtp_engine_t *engine;
switch_media_handle_t *smh;
const char *tstr = switch_media_type2str(type);
char vname[128] = "";
if (!(smh = session->media_handle)) {
return SWITCH_STATUS_FALSE;
}
a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
engine = &smh->engines[type];
lookup_rtpip = smh->mparams->rtpip;
/* Don't do anything if we're in proxy mode or if a (remote) port already has been found */
if (!force) {
if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) ||
switch_channel_test_flag(session->channel, CF_PROXY_MEDIA) || v_engine->codec_params.adv_sdp_port) {
switch_channel_test_flag(session->channel, CF_PROXY_MEDIA) || engine->codec_params.adv_sdp_port) {
return SWITCH_STATUS_SUCCESS;
}
}
/* Release the local sdp port */
if (v_engine->codec_params.local_sdp_port) {
switch_rtp_release_port(smh->mparams->rtpip, v_engine->codec_params.local_sdp_port);
if (engine->codec_params.local_sdp_port) {
switch_rtp_release_port(smh->mparams->rtpip, engine->codec_params.local_sdp_port);
}
/* Request a local port from the core's allocator */
if (!(v_engine->codec_params.local_sdp_port = switch_rtp_request_port(smh->mparams->rtpip))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "No RTP ports available!\n");
if (!(engine->codec_params.local_sdp_port = switch_rtp_request_port(smh->mparams->rtpip))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "No %s RTP ports available!\n", tstr);
return SWITCH_STATUS_FALSE;
}
sdp_port = v_engine->codec_params.local_sdp_port;
sdp_port = engine->codec_params.local_sdp_port;
/* Check if NAT is detected */
if (!zstr(smh->mparams->remote_ip) && switch_core_media_check_nat(smh, smh->mparams->remote_ip)) {
/* Yes, map the port through switch_nat */
switch_nat_add_mapping(v_engine->codec_params.local_sdp_port, SWITCH_NAT_UDP, &sdp_port, SWITCH_FALSE);
switch_nat_add_mapping(engine->codec_params.local_sdp_port, SWITCH_NAT_UDP, &sdp_port, SWITCH_FALSE);
switch_snprintf(vname, sizeof(vname), "rtp_adv_%s_ip", tstr);
/* Find an IP address to use */
if (!(use_ip = switch_channel_get_variable(session->channel, "rtp_adv_video_ip"))
if (!(use_ip = switch_channel_get_variable(session->channel, vname))
&& !zstr(smh->mparams->extrtpip)) {
use_ip = smh->mparams->extrtpip;
}
@ -2791,8 +2848,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_choose_video_port(switch_core_
use_ip = smh->mparams->rtpip;
}
v_engine->codec_params.adv_sdp_port = sdp_port;
switch_channel_set_variable(session->channel, SWITCH_LOCAL_VIDEO_IP_VARIABLE, a_engine->codec_params.adv_sdp_ip);
engine->codec_params.adv_sdp_port = sdp_port;
switch_channel_set_variable(session->channel, SWITCH_LOCAL_VIDEO_IP_VARIABLE, engine->codec_params.adv_sdp_ip);
switch_channel_set_variable_printf(session->channel, SWITCH_LOCAL_VIDEO_PORT_VARIABLE, "%d", sdp_port);
return SWITCH_STATUS_SUCCESS;
@ -3367,7 +3424,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
if (!v_engine->codec_params.local_sdp_port) {
switch_core_media_choose_video_port(session, 1);
switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 1);
}
memset(flags, 0, sizeof(flags));
@ -3493,6 +3550,718 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
}
//?
static void generate_m(switch_core_session_t *session, char *buf, size_t buflen,
switch_port_t port,
int cur_ptime, const char *append_audio, const char *sr, int use_cng, int cng_type, switch_event_t *map, int verbose_sdp, int secure)
{
int i = 0;
int rate;
int already_did[128] = { 0 };
int ptime = 0, noptime = 0;
const char *local_audio_crypto_key = switch_core_session_local_crypto_key(session, SWITCH_MEDIA_TYPE_AUDIO);
const char *local_sdp_audio_zrtp_hash;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "m=audio %d RTP/%sAVP",
port, secure ? "S" : "");
for (i = 0; i < smh->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
int this_ptime = (imp->microseconds_per_packet / 1000);
if (!strcasecmp(imp->iananame, "ilbc")) {
this_ptime = 20;
}
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
continue;
}
if (!noptime) {
if (!cur_ptime) {
if (!ptime) {
ptime = this_ptime;
}
} else {
if (this_ptime != cur_ptime) {
continue;
}
}
}
if (smh->ianacodes[i] < 128) {
if (already_did[smh->ianacodes[i]]) {
continue;
}
already_did[smh->ianacodes[i]] = 1;
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", smh->ianacodes[i]);
}
if (smh->dtmf_type == DTMF_2833 && smh->te > 95) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", smh->te);
}
if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && cng_type && use_cng) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", cng_type);
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "\n");
memset(already_did, 0, sizeof(already_did));
for (i = 0; i < smh->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
char *fmtp = imp->fmtp;
int this_ptime = imp->microseconds_per_packet / 1000;
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
continue;
}
if (!strcasecmp(imp->iananame, "ilbc")) {
this_ptime = 20;
}
if (!noptime) {
if (!cur_ptime) {
if (!ptime) {
ptime = this_ptime;
}
} else {
if (this_ptime != cur_ptime) {
continue;
}
}
}
if (smh->ianacodes[i] < 128) {
if (already_did[smh->ianacodes[i]]) {
continue;
}
already_did[smh->ianacodes[i]] = 1;
}
rate = imp->samples_per_second;
if (map) {
char key[128] = "";
char *check = NULL;
switch_snprintf(key, sizeof(key), "%s:%u", imp->iananame, imp->bits_per_second);
if ((check = switch_event_get_header(map, key)) || (check = switch_event_get_header(map, imp->iananame))) {
fmtp = check;
}
}
if (smh->ianacodes[i] > 95 || verbose_sdp) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d %s/%d\n", smh->ianacodes[i], imp->iananame, rate);
}
if (fmtp) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=fmtp:%d %s\n", smh->ianacodes[i], fmtp);
}
}
if ((smh->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF)) && smh->te > 95) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", smh->te, smh->te);
}
if (secure) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=crypto:%s\n", local_audio_crypto_key);
//switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=encryption:optional\n");
}
if (!cng_type) {
//switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d CN/8000\n", cng_type);
//} else {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=silenceSupp:off - - - -\n");
}
if (append_audio) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "%s%s", append_audio, end_of(append_audio) == '\n' ? "" : "\n");
}
if (!cur_ptime) {
cur_ptime = ptime;
}
if (!noptime && cur_ptime) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=ptime:%d\n", cur_ptime);
}
local_sdp_audio_zrtp_hash = switch_core_media_get_zrtp_hash(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_TRUE);
if (local_sdp_audio_zrtp_hash) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Adding audio a=zrtp-hash:%s\n", local_sdp_audio_zrtp_hash);
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=zrtp-hash:%s\n", local_sdp_audio_zrtp_hash);
}
if (!zstr(sr)) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=%s\n", sr);
}
}
//?
SWITCH_DECLARE(void) switch_core_media_check_dtmf_type(switch_core_session_t *session)
{
const char *val;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
if ((val = switch_channel_get_variable(session->channel, "dtmf_type"))) {
if (!strcasecmp(val, "rfc2833")) {
smh->dtmf_type = DTMF_2833;
} else if (!strcasecmp(val, "info")) {
smh->dtmf_type = DTMF_INFO;
} else if (!strcasecmp(val, "none")) {
smh->dtmf_type = DTMF_NONE;
}
}
}
//?
switch_status_t switch_core_media_sdp_map(const char *r_sdp, switch_event_t **fmtp, switch_event_t **pt)
{
sdp_media_t *m;
sdp_parser_t *parser = NULL;
sdp_session_t *sdp;
if (!(parser = sdp_parse(NULL, r_sdp, (int) strlen(r_sdp), 0))) {
return SWITCH_STATUS_FALSE;
}
if (!(sdp = sdp_session(parser))) {
sdp_parser_free(parser);
return SWITCH_STATUS_FALSE;
}
switch_event_create(&(*fmtp), SWITCH_EVENT_REQUEST_PARAMS);
switch_event_create(&(*pt), SWITCH_EVENT_REQUEST_PARAMS);
for (m = sdp->sdp_media; m; m = m->m_next) {
if (m->m_proto == sdp_proto_rtp) {
sdp_rtpmap_t *map;
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_encoding) {
char buf[25] = "";
char key[128] = "";
char *br = NULL;
if (map->rm_fmtp) {
if ((br = strstr(map->rm_fmtp, "bitrate="))) {
br += 8;
}
}
switch_snprintf(buf, sizeof(buf), "%d", map->rm_pt);
if (br) {
switch_snprintf(key, sizeof(key), "%s:%s", map->rm_encoding, br);
} else {
switch_snprintf(key, sizeof(key), "%s", map->rm_encoding);
}
switch_event_add_header_string(*pt, SWITCH_STACK_BOTTOM, key, buf);
if (map->rm_fmtp) {
switch_event_add_header_string(*fmtp, SWITCH_STACK_BOTTOM, key, map->rm_fmtp);
}
}
}
}
}
sdp_parser_free(parser);
return SWITCH_STATUS_SUCCESS;
}
//?
SWITCH_DECLARE(void)switch_core_media_set_local_sdp(switch_core_session_t *session, const char *sdp_str, switch_bool_t dup)
{
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
if (smh->mparams->mutex) switch_mutex_lock(smh->mparams->mutex);
smh->mparams->local_sdp_str = dup ? switch_core_session_strdup(session, sdp_str) : (char *) sdp_str;
switch_channel_set_variable(session->channel, "sip_local_sdp_str", smh->mparams->local_sdp_str);
if (smh->mparams->mutex) switch_mutex_unlock(smh->mparams->mutex);
}
//?
#define SDPBUFLEN 65536
void sofia_media_set_local_sdp(switch_core_session_t *session, const char *ip, switch_port_t port, const char *sr, int force)
{
char *buf;
int ptime = 0;
uint32_t rate = 0;
uint32_t v_port;
int use_cng = 1;
const char *val;
const char *family;
const char *pass_fmtp = switch_channel_get_variable(session->channel, "sip_video_fmtp");
const char *ov_fmtp = switch_channel_get_variable(session->channel, "sip_force_video_fmtp");
const char *append_audio = switch_channel_get_variable(session->channel, "sip_append_audio_sdp");
char srbuf[128] = "";
const char *var_val;
const char *username;
const char *fmtp_out;
const char *fmtp_out_var = switch_channel_get_variable(session->channel, "sip_force_audio_fmtp");
switch_event_t *map = NULL, *ptmap = NULL;
const char *b_sdp = NULL;
int verbose_sdp = 0;
const char *local_audio_crypto_key = switch_core_session_local_crypto_key(session, SWITCH_MEDIA_TYPE_AUDIO);
const char *local_sdp_audio_zrtp_hash = switch_core_media_get_zrtp_hash(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_TRUE);
const char *local_sdp_video_zrtp_hash = switch_core_media_get_zrtp_hash(session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_TRUE);
switch_rtp_engine_t *a_engine, *v_engine;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
fmtp_out = a_engine->codec_params.fmtp_out;
username = smh->mparams->sdp_username;
switch_zmalloc(buf, SDPBUFLEN);
switch_core_media_check_dtmf_type(session);
if (switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) ||
((val = switch_channel_get_variable(session->channel, "supress_cng")) && switch_true(val)) ||
((val = switch_channel_get_variable(session->channel, "suppress_cng")) && switch_true(val))) {
use_cng = 0;
smh->cng_pt = 0;
}
if (!smh->payload_space) {
int i;
smh->payload_space = 98;
for (i = 0; i < smh->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
smh->ianacodes[i] = imp->ianacode;
if (smh->ianacodes[i] > 64) {
if (smh->dtmf_type == DTMF_2833 && smh->te > 95 && smh->te == smh->payload_space) {
smh->payload_space++;
}
if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) &&
smh->cng_pt && use_cng && smh->cng_pt == smh->payload_space) {
smh->payload_space++;
}
smh->ianacodes[i] = smh->payload_space++;
}
}
}
if (fmtp_out_var) {
fmtp_out = fmtp_out_var;
}
if ((val = switch_channel_get_variable(session->channel, "verbose_sdp")) && switch_true(val)) {
verbose_sdp = 1;
}
if (!force && !ip && zstr(sr)
&& (switch_channel_test_flag(session->channel, CF_PROXY_MODE) || switch_channel_test_flag(session->channel, CF_PROXY_MEDIA))) {
switch_safe_free(buf);
return;
}
if (!ip) {
if (!(ip = a_engine->codec_params.adv_sdp_ip)) {
ip = a_engine->codec_params.proxy_sdp_ip;
}
}
if (!ip) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "%s NO IP!\n", switch_channel_get_name(session->channel));
switch_safe_free(buf);
return;
}
if (!port) {
if (!(port = a_engine->codec_params.adv_sdp_port)) {
port = a_engine->codec_params.proxy_sdp_port;
}
}
if (!port) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "%s NO PORT!\n", switch_channel_get_name(session->channel));
switch_safe_free(buf);
return;
}
if (!a_engine->codec_params.rm_encoding && (b_sdp = switch_channel_get_variable(session->channel, SWITCH_B_SDP_VARIABLE))) {
switch_core_media_sdp_map(b_sdp, &map, &ptmap);
}
if (zstr(sr)) {
if ((var_val = switch_channel_get_variable(session->channel, "media_audio_mode"))) {
sr = var_val;
} else {
sr = "sendrecv";
}
}
if (!smh->owner_id) {
smh->owner_id = (uint32_t) switch_epoch_time_now(NULL) - port;
}
if (!smh->session_id) {
smh->session_id = smh->owner_id;
}
if (switch_true(switch_channel_get_variable_dup(session->channel, "drop_dtmf", SWITCH_FALSE, -1))) {
switch_channel_set_flag(session->channel, CF_DROP_DTMF);
}
smh->session_id++;
if ((smh->mparams->ndlb & SM_NDLB_SENDRECV_IN_SESSION) ||
((var_val = switch_channel_get_variable(session->channel, "ndlb_sendrecv_in_session")) && switch_true(var_val))) {
if (!zstr(sr)) {
switch_snprintf(srbuf, sizeof(srbuf), "a=%s\n", sr);
}
sr = NULL;
}
family = strchr(ip, ':') ? "IP6" : "IP4";
switch_snprintf(buf, SDPBUFLEN,
"v=0\n"
"o=%s %010u %010u IN %s %s\n"
"s=%s\n"
"c=IN %s %s\n" "t=0 0\n"
"%s",
username, smh->owner_id, smh->session_id, family, ip, username, family, ip, srbuf);
if (a_engine->codec_params.rm_encoding) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "m=audio %d RTP/%sAVP",
port, (!zstr(local_audio_crypto_key) && switch_channel_test_flag(session->channel, CF_SECURE)) ? "S" : "");
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", a_engine->codec_params.pt);
if ((smh->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF)) && smh->te > 95) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", smh->te);
}
if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && smh->cng_pt && use_cng) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", smh->cng_pt);
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "\n");
rate = a_engine->codec_params.rm_rate;
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%d\n", a_engine->codec_params.agreed_pt, a_engine->codec_params.rm_encoding, rate);
if (fmtp_out) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=fmtp:%d %s\n", a_engine->codec_params.agreed_pt, fmtp_out);
}
if (a_engine->read_codec.implementation && !ptime) {
ptime = a_engine->read_codec.implementation->microseconds_per_packet / 1000;
}
if ((smh->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF))
&& smh->te > 95) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", smh->te, smh->te);
}
if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && smh->cng_pt && use_cng) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d CN/8000\n", smh->cng_pt);
if (!a_engine->codec_params.rm_encoding) {
smh->cng_pt = 0;
}
} else {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=silenceSupp:off - - - -\n");
}
if (append_audio) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "%s%s", append_audio, end_of(append_audio) == '\n' ? "" : "\n");
}
if (ptime) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ptime:%d\n", ptime);
}
if (local_sdp_audio_zrtp_hash) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Adding audio a=zrtp-hash:%s\n",
local_sdp_audio_zrtp_hash);
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=zrtp-hash:%s\n",
local_sdp_audio_zrtp_hash);
}
if (!zstr(sr)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=%s\n", sr);
}
if (!zstr(local_audio_crypto_key) && switch_channel_test_flag(session->channel, CF_SECURE)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=crypto:%s\n", local_audio_crypto_key);
//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=encryption:optional\n");
}
} else if (smh->num_codecs) {
int i;
int cur_ptime = 0, this_ptime = 0, cng_type = 0;
const char *mult;
if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) && smh->cng_pt && use_cng) {
cng_type = smh->cng_pt;
if (!a_engine->codec_params.rm_encoding) {
smh->cng_pt = 0;
}
}
mult = switch_channel_get_variable(session->channel, "sdp_m_per_ptime");
if (mult && switch_false(mult)) {
char *bp = buf;
int both = 1;
if ((!zstr(local_audio_crypto_key) && switch_channel_test_flag(session->channel, CF_SECURE))) {
generate_m(session, buf, SDPBUFLEN, port, 0, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 1);
bp = (buf + strlen(buf));
/* asterisk can't handle AVP and SAVP in sep streams, way to blow off the spec....*/
if (switch_true(switch_channel_get_variable(session->channel, "sdp_secure_savp_only"))) {
both = 0;
}
}
if (both) {
generate_m(session, bp, SDPBUFLEN - strlen(buf), port, 0, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 0);
}
} else {
for (i = 0; i < smh->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO) {
continue;
}
this_ptime = imp->microseconds_per_packet / 1000;
if (!strcasecmp(imp->iananame, "ilbc")) {
this_ptime = 20;
}
if (cur_ptime != this_ptime) {
char *bp = buf;
int both = 1;
cur_ptime = this_ptime;
if ((!zstr(local_audio_crypto_key) && switch_channel_test_flag(session->channel, CF_SECURE))) {
generate_m(session, bp, SDPBUFLEN - strlen(buf), port, cur_ptime, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 1);
bp = (buf + strlen(buf));
/* asterisk can't handle AVP and SAVP in sep streams, way to blow off the spec....*/
if (switch_true(switch_channel_get_variable(session->channel, "sdp_secure_savp_only"))) {
both = 0;
}
}
if (both) {
generate_m(session, bp, SDPBUFLEN - strlen(buf), port, cur_ptime, append_audio, sr, use_cng, cng_type, map, verbose_sdp, 0);
}
}
}
}
}
if (switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE)) {
const char *local_video_crypto_key = switch_core_session_local_crypto_key(session, SWITCH_MEDIA_TYPE_VIDEO);
if (!v_engine->codec_params.local_sdp_port) {
switch_core_media_choose_port(session, SWITCH_MEDIA_TYPE_VIDEO, 0);
}
if ((v_port = v_engine->codec_params.adv_sdp_port)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "m=video %d RTP/%sAVP",
v_port, (!zstr(local_video_crypto_key) && switch_channel_test_flag(session->channel, CF_SECURE)) ? "S" : "");
/*****************************/
if (v_engine->codec_params.rm_encoding) {
switch_core_media_set_video_codec(session, 0);
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", v_engine->codec_params.agreed_pt);
} else if (smh->num_codecs) {
int i;
int already_did[128] = { 0 };
for (i = 0; i < smh->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
continue;
}
if (smh->ianacodes[i] < 128) {
if (already_did[smh->ianacodes[i]]) {
continue;
}
already_did[smh->ianacodes[i]] = 1;
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", smh->ianacodes[i]);
if (!ptime) {
ptime = imp->microseconds_per_packet / 1000;
}
}
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "\n");
if (v_engine->codec_params.rm_encoding) {
const char *of;
rate = v_engine->codec_params.rm_rate;
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%ld\n",
v_engine->codec_params.pt, v_engine->codec_params.rm_encoding,
v_engine->codec_params.rm_rate);
if (switch_channel_test_flag(session->channel, CF_RECOVERING)) {
pass_fmtp = v_engine->codec_params.rm_fmtp;
} else {
pass_fmtp = NULL;
if (switch_channel_get_partner_uuid(session->channel)) {
if ((of = switch_channel_get_variable_partner(session->channel, "sip_video_fmtp"))) {
pass_fmtp = of;
}
}
if (ov_fmtp) {
pass_fmtp = ov_fmtp;
}// else { // seems to break eyebeam at least...
//pass_fmtp = switch_channel_get_variable(session->channel, "sip_video_fmtp");
//}
}
if (pass_fmtp) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=fmtp:%d %s\n", v_engine->codec_params.pt, pass_fmtp);
}
} else if (smh->num_codecs) {
int i;
int already_did[128] = { 0 };
for (i = 0; i < smh->num_codecs; i++) {
const switch_codec_implementation_t *imp = smh->codecs[i];
char *fmtp = NULL;
uint32_t ianacode = smh->ianacodes[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO) {
continue;
}
if (ianacode < 128) {
if (already_did[ianacode]) {
continue;
}
already_did[ianacode] = 1;
}
if (!rate) {
rate = imp->samples_per_second;
}
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d %s/%d\n", ianacode, imp->iananame,
imp->samples_per_second);
if (!zstr(ov_fmtp)) {
fmtp = (char *) ov_fmtp;
} else {
if (map) {
fmtp = switch_event_get_header(map, imp->iananame);
}
if (zstr(fmtp)) fmtp = imp->fmtp;
if (zstr(fmtp)) fmtp = (char *) pass_fmtp;
}
if (!zstr(fmtp) && strcasecmp(fmtp, "_blank_")) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=fmtp:%d %s\n", ianacode, fmtp);
}
}
}
if (switch_channel_test_flag(session->channel, CF_SECURE)) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=crypto:%s\n", local_video_crypto_key);
//switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=encryption:optional\n");
}
if (local_sdp_video_zrtp_hash) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Adding video a=zrtp-hash:%s\n", local_sdp_video_zrtp_hash);
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=zrtp-hash:%s\n", local_sdp_video_zrtp_hash);
}
}
}
if (map) {
switch_event_destroy(&map);
}
if (ptmap) {
switch_event_destroy(&ptmap);
}
switch_core_media_set_local_sdp(session, buf, SWITCH_TRUE);
switch_safe_free(buf);
}
/* For Emacs:
* Local Variables: