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Code Issues Projects Releases Wiki Activity

almost rid of crufty tech_pvt members

This commit is contained in:
Anthony Minessale 2012-12-22 17:34:08 -06:00
parent 75c95fa98e
commit 85308861d8
6 changed files with 354 additions and 285 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/include/switch_core_media.h
View File

@ -141,6 +141,7 @@ typedef struct switch_core_media_params_s {
int num_codecs;//x:tp
int hold_laps;//x:tp
switch_core_media_dtmf_t dtmf_type;//x:tp
} switch_core_media_params_t;
@ -159,6 +160,7 @@ static inline const char *switch_media_type2str(switch_media_type_t type)
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);
SWITCH_DECLARE(void) switch_media_handle_destroy(switch_core_session_t *session);
SWITCH_DECLARE(switch_media_handle_t *) switch_core_session_get_media_handle(switch_core_session_t *session);
SWITCH_DECLARE(switch_status_t) switch_core_session_clear_media_handle(switch_core_session_t *session);
SWITCH_DECLARE(switch_status_t) switch_core_session_media_handle_ready(switch_core_session_t *session);
@ -232,6 +234,12 @@ SWITCH_DECLARE(void) switch_core_media_clear_rtp_flag(switch_core_session_t *ses
SWITCH_DECLARE(stfu_instance_t *) switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type);
SWITCH_DECLARE(switch_rtp_stats_t *) switch_core_media_get_stats(switch_core_session_t *session, switch_media_type_t type, switch_memory_pool_t *pool);
SWITCH_DECLARE(void) switch_core_media_set_r_sdp_codec_string(switch_core_session_t *session, const char *codec_string, sdp_session_t *sdp);
SWITCH_DECLARE(void) switch_core_media_set_sdp_codec_string(switch_core_session_t *session, const char *r_sdp);
SWITCH_DECLARE(void) switch_core_media_reset_autofix_timing(switch_core_session_t *session, switch_media_type_t type);
SWITCH_END_EXTERN_C
#endif
/* For Emacs:

4
src/mod/endpoints/mod_sofia/mod_sofia.h
View File

@ -692,7 +692,7 @@ struct private_object {
// uint32_t bitrate;
switch_caller_profile_t *caller_profile;
//uint32_t timestamp_send;
switch_rtp_t *rtp_session;
// switch_rtp_t *rtp_session;
// uint32_t video_ssrc;
sofia_profile_t *profile;
@ -753,7 +753,7 @@ struct private_object {
// switch_frame_t video_read_frame;
// switch_codec_t video_read_codec;
// switch_codec_t video_write_codec;
switch_rtp_t *video_rtp_session;
// switch_rtp_t *video_rtp_session;
// switch_port_t adv_sdp_video_port;
// switch_port_t local_sdp_video_port;
// char *video_rm_encoding;

5
src/mod/endpoints/mod_sofia/sofia.c
View File

@ -4975,8 +4975,7 @@ static void sofia_handle_sip_r_invite(switch_core_session_t *session, int status
sofia_update_callee_id(session, profile, sip, SWITCH_FALSE);
if (sofia_test_media_flag(tech_pvt->profile, SCMF_AUTOFIX_TIMING)) {
tech_pvt->check_frames = 0;
tech_pvt->last_ts = 0;
switch_core_media_reset_autofix_timing(tech_pvt->session, SWITCH_MEDIA_TYPE_AUDIO);
}
}
@ -7365,7 +7364,7 @@ void sofia_handle_sip_i_info(nua_t *nua, sofia_profile_t *profile, nua_handle_t
}
if (dtmf.digit) {
if (tech_pvt->dtmf_type == DTMF_INFO ||
if (tech_pvt->mparams.dtmf_type == DTMF_INFO ||
sofia_test_pflag(tech_pvt->profile, PFLAG_LIBERAL_DTMF) || switch_channel_test_flag(tech_pvt->channel, CF_LIBERAL_DTMF)) {
/* queue it up */
switch_channel_queue_dtmf(channel, &dtmf);

2
src/mod/endpoints/mod_sofia/sofia_glue.c
View File

@ -107,7 +107,7 @@ void sofia_glue_attach_private(switch_core_session_t *session, sofia_profile_t *
tech_pvt->mparams.recv_te = tech_pvt->mparams.te = profile->te;
}
tech_pvt->dtmf_type = tech_pvt->profile->dtmf_type;
tech_pvt->mparams.dtmf_type = tech_pvt->profile->dtmf_type;
if (!sofia_test_media_flag(tech_pvt->profile, SCMF_SUPPRESS_CNG)) {
if (tech_pvt->bcng_pt) {

263
src/mod/endpoints/mod_sofia/sofia_media.c
View File

@ -133,256 +133,6 @@ switch_status_t sofia_media_activate_rtp(private_object_t *tech_pvt)
void sofia_media_set_sdp_codec_string(switch_core_session_t *session, const char *r_sdp)
{
sdp_parser_t *parser;
sdp_session_t *sdp;
private_object_t *tech_pvt = switch_core_session_get_private(session);
if ((parser = sdp_parse(NULL, r_sdp, (int) strlen(r_sdp), 0))) {
if ((sdp = sdp_session(parser))) {
sofia_media_set_r_sdp_codec_string(session, switch_core_media_get_codec_string(tech_pvt->session), sdp);
}
sdp_parser_free(parser);
}
}
static void add_audio_codec(sdp_rtpmap_t *map, int ptime, char *buf, switch_size_t buflen)
{
int codec_ms = ptime;
uint32_t map_bit_rate = 0;
char ptstr[20] = "";
char ratestr[20] = "";
char bitstr[20] = "";
switch_codec_fmtp_t codec_fmtp = { 0 };
if (!codec_ms) {
codec_ms = switch_default_ptime(map->rm_encoding, map->rm_pt);
}
map_bit_rate = switch_known_bitrate((switch_payload_t)map->rm_pt);
if (!ptime && !strcasecmp(map->rm_encoding, "g723")) {
ptime = codec_ms = 30;
}
if (zstr(map->rm_fmtp)) {
if (!strcasecmp(map->rm_encoding, "ilbc")) {
ptime = codec_ms = 30;
map_bit_rate = 13330;
}
} else {
if ((switch_core_codec_parse_fmtp(map->rm_encoding, map->rm_fmtp, map->rm_rate, &codec_fmtp)) == SWITCH_STATUS_SUCCESS) {
if (codec_fmtp.bits_per_second) {
map_bit_rate = codec_fmtp.bits_per_second;
}
if (codec_fmtp.microseconds_per_packet) {
codec_ms = (codec_fmtp.microseconds_per_packet / 1000);
}
}
}
if (map->rm_rate) {
switch_snprintf(ratestr, sizeof(ratestr), "@%uh", (unsigned int) map->rm_rate);
}
if (codec_ms) {
switch_snprintf(ptstr, sizeof(ptstr), "@%di", codec_ms);
}
if (map_bit_rate) {
switch_snprintf(bitstr, sizeof(bitstr), "@%db", map_bit_rate);
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), ",%s%s%s%s", map->rm_encoding, ratestr, ptstr, bitstr);
}
void sofia_media_set_r_sdp_codec_string(switch_core_session_t *session, const char *codec_string, sdp_session_t *sdp)
{
char buf[1024] = { 0 };
sdp_media_t *m;
sdp_attribute_t *attr;
int ptime = 0, dptime = 0;
sdp_connection_t *connection;
sdp_rtpmap_t *map;
short int match = 0;
int i;
int already_did[128] = { 0 };
int num_codecs = 0;
char *codec_order[SWITCH_MAX_CODECS];
const switch_codec_implementation_t *codecs[SWITCH_MAX_CODECS] = { 0 };
switch_channel_t *channel = switch_core_session_get_channel(session);
private_object_t *tech_pvt = switch_core_session_get_private(session);
int prefer_sdp = 0;
const char *var;
if ((var = switch_channel_get_variable(channel, "ep_codec_prefer_sdp")) && switch_true(var)) {
prefer_sdp = 1;
}
if (!zstr(codec_string)) {
char *tmp_codec_string;
if ((tmp_codec_string = strdup(codec_string))) {
num_codecs = switch_separate_string(tmp_codec_string, ',', codec_order, SWITCH_MAX_CODECS);
num_codecs = switch_loadable_module_get_codecs_sorted(codecs, SWITCH_MAX_CODECS, codec_order, num_codecs);
switch_safe_free(tmp_codec_string);
}
} else {
num_codecs = switch_loadable_module_get_codecs(codecs, SWITCH_MAX_CODECS);
}
if (!channel || !num_codecs) {
return;
}
for (attr = sdp->sdp_attributes; attr; attr = attr->a_next) {
if (zstr(attr->a_name)) {
continue;
}
if (!strcasecmp(attr->a_name, "ptime")) {
dptime = atoi(attr->a_value);
break;
}
}
switch_core_media_find_zrtp_hash(session, sdp);
switch_core_media_pass_zrtp_hash(session);
for (m = sdp->sdp_media; m; m = m->m_next) {
ptime = dptime;
if (m->m_type == sdp_media_image && m->m_port) {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",t38");
} else if (m->m_type == sdp_media_audio && m->m_port) {
for (attr = m->m_attributes; attr; attr = attr->a_next) {
if (zstr(attr->a_name)) {
continue;
}
if (!strcasecmp(attr->a_name, "ptime") && attr->a_value) {
ptime = atoi(attr->a_value);
break;
}
}
connection = sdp->sdp_connection;
if (m->m_connections) {
connection = m->m_connections;
}
if (!connection) {
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
break;
}
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_INBOUND || prefer_sdp) {
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_pt > 127 || already_did[map->rm_pt]) {
continue;
}
for (i = 0; i < num_codecs; i++) {
const switch_codec_implementation_t *imp = codecs[i];
if ((zstr(map->rm_encoding) || (tech_pvt->profile->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
if (map->rm_encoding) {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
} else {
match = 0;
}
}
if (match) {
add_audio_codec(map, ptime, buf, sizeof(buf));
break;
}
}
}
} else {
for (i = 0; i < num_codecs; i++) {
const switch_codec_implementation_t *imp = codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO || imp->ianacode > 127 || already_did[imp->ianacode]) {
continue;
}
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_pt > 127 || already_did[map->rm_pt]) {
continue;
}
if ((zstr(map->rm_encoding) || (tech_pvt->profile->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
if (map->rm_encoding) {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
} else {
match = 0;
}
}
if (match) {
add_audio_codec(map, ptime, buf, sizeof(buf));
break;
}
}
}
}
} else if (m->m_type == sdp_media_video && m->m_port) {
connection = sdp->sdp_connection;
if (m->m_connections) {
connection = m->m_connections;
}
if (!connection) {
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
break;
}
for (i = 0; i < num_codecs; i++) {
const switch_codec_implementation_t *imp = codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO || imp->ianacode > 127 || already_did[imp->ianacode]) {
continue;
}
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_pt > 127 || already_did[map->rm_pt]) {
continue;
}
if ((zstr(map->rm_encoding) || (tech_pvt->profile->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
if (map->rm_encoding) {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
} else {
match = 0;
}
}
if (match) {
if (ptime > 0) {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh@%di", imp->iananame, (unsigned int) map->rm_rate,
ptime);
} else {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh", imp->iananame, (unsigned int) map->rm_rate);
}
already_did[imp->ianacode] = 1;
break;
}
}
}
}
}
if (buf[0] == ',') {
switch_channel_set_variable(channel, "ep_codec_string", buf + 1);
}
}
switch_status_t sofia_media_tech_media(private_object_t *tech_pvt, const char *r_sdp)
{
uint8_t match = 0;
@ -412,19 +162,6 @@ switch_status_t sofia_media_tech_media(private_object_t *tech_pvt, const char *r
}
void sofia_media_deactivate_rtp(private_object_t *tech_pvt)
{
int loops = 0;
while (loops < 10 && (sofia_test_flag(tech_pvt, TFLAG_READING) || sofia_test_flag(tech_pvt, TFLAG_WRITING))) {
switch_yield(10000);
loops++;
}
switch_core_media_deactivate_rtp(tech_pvt->session);
}
char *sofia_media_get_multipart(switch_core_session_t *session, const char *prefix, const char *sdp, char **mp_type)
{
char *extra_headers = NULL;

357
src/switch_core_media.c
View File

@ -141,7 +141,7 @@ struct switch_media_handle_s {
char *origin;//x:tp
switch_payload_t cng_pt;//x:tp
switch_core_media_dtmf_t dtmf_type;//x:tp
const switch_codec_implementation_t *negotiated_codecs[SWITCH_MAX_CODECS];//x:tp
int num_negotiated_codecs;//x:tp
switch_payload_t ianacodes[SWITCH_MAX_CODECS];//x:tp
@ -346,7 +346,6 @@ SWITCH_DECLARE(switch_t38_options_t *) switch_core_media_extract_t38_options(swi
sdp_media_t *m;
sdp_parser_t *parser = NULL;
sdp_session_t *sdp;
//private_object_t *tech_pvt = switch_core_session_get_private(session);
switch_t38_options_t *t38_options = NULL;
if (!(parser = sdp_parse(NULL, r_sdp, (int) strlen(r_sdp), 0))) {
@ -358,8 +357,6 @@ SWITCH_DECLARE(switch_t38_options_t *) switch_core_media_extract_t38_options(swi
return NULL;
}
//switch_assert(tech_pvt != NULL);
for (m = sdp->sdp_media; m; m = m->m_next) {
if (m->m_proto == sdp_proto_udptl && m->m_type == sdp_media_image && m->m_port) {
t38_options = switch_core_media_process_udptl(session, sdp, m);
@ -822,6 +819,43 @@ SWITCH_DECLARE(void) switch_core_session_check_outgoing_crypto(switch_core_sessi
}
SWITCH_DECLARE(void) switch_media_handle_destroy(switch_core_session_t *session)
{
switch_media_handle_t *smh;
switch_rtp_engine_t *a_engine, *v_engine;
if (!(smh = session->media_handle)) {
return;
}
a_engine = &smh->engines[SWITCH_MEDIA_TYPE_AUDIO];
v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
if (switch_core_codec_ready(&a_engine->read_codec)) {
switch_core_codec_destroy(&a_engine->read_codec);
}
if (switch_core_codec_ready(&a_engine->write_codec)) {
switch_core_codec_destroy(&a_engine->write_codec);
}
if (switch_core_codec_ready(&v_engine->read_codec)) {
switch_core_codec_destroy(&v_engine->read_codec);
}
if (switch_core_codec_ready(&v_engine->write_codec)) {
switch_core_codec_destroy(&v_engine->write_codec);
}
switch_core_session_unset_read_codec(session);
switch_core_session_unset_write_codec(session);
switch_core_media_deactivate_rtp(session);
}
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)
{
@ -2263,11 +2297,11 @@ SWITCH_DECLARE(uint8_t) switch_core_media_negotiate_sdp(switch_core_session_t *s
if (!switch_false(switch_channel_get_variable(channel, "sip_info_when_no_2833"))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "No 2833 in SDP. Disable 2833 dtmf and switch to INFO\n");
switch_channel_set_variable(session->channel, "dtmf_type", "info");
smh->dtmf_type = DTMF_INFO;
smh->mparams->dtmf_type = DTMF_INFO;
te = smh->mparams->recv_te = smh->mparams->te = 0;
} else {
switch_channel_set_variable(session->channel, "dtmf_type", "none");
smh->dtmf_type = DTMF_NONE;
smh->mparams->dtmf_type = DTMF_NONE;
te = smh->mparams->recv_te = smh->mparams->te = 0;
}
}
@ -2777,6 +2811,23 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_ext_address_lookup(switch_core
return status;
}
//?
SWITCH_DECLARE(void) switch_core_media_reset_autofix_timing(switch_core_session_t *session, switch_media_type_t type)
{
switch_rtp_engine_t *engine;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
engine = &smh->engines[type];
engine->check_frames = 0;
engine->last_ts = 0;
}
//?
SWITCH_DECLARE(switch_status_t) switch_core_media_choose_port(switch_core_session_t *session, switch_media_type_t type, int force)
@ -3669,7 +3720,7 @@ static void generate_m(switch_core_session_t *session, char *buf, size_t buflen,
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", smh->ianacodes[i]);
}
if (smh->dtmf_type == DTMF_2833 && smh->mparams->te > 95) {
if (smh->mparams->dtmf_type == DTMF_2833 && smh->mparams->te > 95) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), " %d", smh->mparams->te);
}
@ -3738,7 +3789,7 @@ static void generate_m(switch_core_session_t *session, char *buf, size_t buflen,
}
if ((smh->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
if ((smh->mparams->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF)) && smh->mparams->te > 95) {
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", smh->mparams->te, smh->mparams->te);
}
@ -3790,11 +3841,11 @@ SWITCH_DECLARE(void) switch_core_media_check_dtmf_type(switch_core_session_t *se
if ((val = switch_channel_get_variable(session->channel, "dtmf_type"))) {
if (!strcasecmp(val, "rfc2833")) {
smh->dtmf_type = DTMF_2833;
smh->mparams->dtmf_type = DTMF_2833;
} else if (!strcasecmp(val, "info")) {
smh->dtmf_type = DTMF_INFO;
smh->mparams->dtmf_type = DTMF_INFO;
} else if (!strcasecmp(val, "none")) {
smh->dtmf_type = DTMF_NONE;
smh->mparams->dtmf_type = DTMF_NONE;
}
}
}
@ -3938,7 +3989,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
smh->ianacodes[i] = imp->ianacode;
if (smh->ianacodes[i] > 64) {
if (smh->dtmf_type == DTMF_2833 && smh->mparams->te > 95 && smh->mparams->te == smh->payload_space) {
if (smh->mparams->dtmf_type == DTMF_2833 && smh->mparams->te > 95 && smh->mparams->te == smh->payload_space) {
smh->payload_space++;
}
if (!switch_media_handle_test_media_flag(smh, SCMF_SUPPRESS_CNG) &&
@ -4037,7 +4088,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
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) ||
if ((smh->mparams->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF)) && smh->mparams->te > 95) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), " %d", smh->mparams->te);
}
@ -4059,7 +4110,7 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
}
if ((smh->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
if ((smh->mparams->dtmf_type == DTMF_2833 || switch_media_handle_test_media_flag(smh, SCMF_LIBERAL_DTMF) ||
switch_channel_test_flag(session->channel, CF_LIBERAL_DTMF))
&& smh->mparams->te > 95) {
switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d telephone-event/8000\na=fmtp:%d 0-16\n", smh->mparams->te, smh->mparams->te);
@ -4405,8 +4456,6 @@ SWITCH_DECLARE(void) switch_core_media_set_image_sdp(switch_core_session_t *sess
port = t38_options->local_port;
username = smh->mparams->sdp_username;
//sofia_clear_flag(tech_pvt, TFLAG_ENABLE_SOA);
var = switch_channel_get_variable(session->channel, "t38_broken_boolean");
broken_boolean = switch_true(var);
@ -5229,6 +5278,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_receive_message(switch_core_se
}
//?
SWITCH_DECLARE(void) switch_core_media_break(switch_core_session_t *session, switch_media_type_t type)
{
switch_media_handle_t *smh;
@ -5242,6 +5292,7 @@ SWITCH_DECLARE(void) switch_core_media_break(switch_core_session_t *session, swi
}
}
//?
SWITCH_DECLARE(void) switch_core_media_kill_socket(switch_core_session_t *session, switch_media_type_t type)
{
switch_media_handle_t *smh;
@ -5255,6 +5306,7 @@ SWITCH_DECLARE(void) switch_core_media_kill_socket(switch_core_session_t *sessio
}
}
//?
SWITCH_DECLARE(switch_status_t) switch_core_media_queue_rfc2833(switch_core_session_t *session, switch_media_type_t type, const switch_dtmf_t *dtmf)
{
switch_media_handle_t *smh;
@ -5270,6 +5322,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_queue_rfc2833(switch_core_sess
return SWITCH_STATUS_FALSE;
}
//?
SWITCH_DECLARE(switch_status_t) switch_core_media_queue_rfc2833_in(switch_core_session_t *session, switch_media_type_t type, const switch_dtmf_t *dtmf)
{
switch_media_handle_t *smh;
@ -5285,6 +5338,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_queue_rfc2833_in(switch_core_s
return SWITCH_STATUS_FALSE;
}
//?
SWITCH_DECLARE(uint8_t) switch_core_media_ready(switch_core_session_t *session, switch_media_type_t type)
{
switch_media_handle_t *smh;
@ -5296,6 +5350,7 @@ SWITCH_DECLARE(uint8_t) switch_core_media_ready(switch_core_session_t *session,
return switch_rtp_ready(smh->engines[type].rtp_session);
}
//?
SWITCH_DECLARE(void) switch_core_media_set_rtp_flag(switch_core_session_t *session, switch_media_type_t type, switch_rtp_flag_t flag)
{
switch_media_handle_t *smh;
@ -5309,6 +5364,7 @@ SWITCH_DECLARE(void) switch_core_media_set_rtp_flag(switch_core_session_t *sessi
}
}
//?
SWITCH_DECLARE(void) switch_core_media_clear_rtp_flag(switch_core_session_t *session, switch_media_type_t type, switch_rtp_flag_t flag)
{
switch_media_handle_t *smh;
@ -5322,6 +5378,7 @@ SWITCH_DECLARE(void) switch_core_media_clear_rtp_flag(switch_core_session_t *ses
}
}
//?
SWITCH_DECLARE(void) switch_core_media_set_recv_pt(switch_core_session_t *session, switch_media_type_t type, switch_payload_t pt)
{
switch_media_handle_t *smh;
@ -5335,6 +5392,7 @@ SWITCH_DECLARE(void) switch_core_media_set_recv_pt(switch_core_session_t *sessio
}
}
//?
SWITCH_DECLARE(void) switch_core_media_set_telephony_event(switch_core_session_t *session, switch_media_type_t type, switch_payload_t te)
{
switch_media_handle_t *smh;
@ -5348,6 +5406,7 @@ SWITCH_DECLARE(void) switch_core_media_set_telephony_event(switch_core_session_t
}
}
//?
SWITCH_DECLARE(void) switch_core_media_set_telephony_recv_event(switch_core_session_t *session, switch_media_type_t type, switch_payload_t te)
{
switch_media_handle_t *smh;
@ -5361,6 +5420,7 @@ SWITCH_DECLARE(void) switch_core_media_set_telephony_recv_event(switch_core_sess
}
}
//?
SWITCH_DECLARE(switch_rtp_stats_t *) switch_core_media_get_stats(switch_core_session_t *session, switch_media_type_t type, switch_memory_pool_t *pool)
{
switch_media_handle_t *smh;
@ -5376,6 +5436,7 @@ SWITCH_DECLARE(switch_rtp_stats_t *) switch_core_media_get_stats(switch_core_ses
return NULL;
}
//?
SWITCH_DECLARE(switch_status_t) switch_core_media_udptl_mode(switch_core_session_t *session, switch_media_type_t type)
{
switch_media_handle_t *smh;
@ -5391,6 +5452,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_udptl_mode(switch_core_session
return SWITCH_STATUS_FALSE;
}
//?
SWITCH_DECLARE(stfu_instance_t *) switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type)
{
switch_media_handle_t *smh;
@ -5407,6 +5469,269 @@ SWITCH_DECLARE(stfu_instance_t *) switch_core_media_get_jb(switch_core_session_t
}
//?
SWITCH_DECLARE(void) switch_core_media_set_sdp_codec_string(switch_core_session_t *session, const char *r_sdp)
{
sdp_parser_t *parser;
sdp_session_t *sdp;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
if ((parser = sdp_parse(NULL, r_sdp, (int) strlen(r_sdp), 0))) {
if ((sdp = sdp_session(parser))) {
switch_core_media_set_r_sdp_codec_string(session, switch_core_media_get_codec_string(session), sdp);
}
sdp_parser_free(parser);
}
}
static void add_audio_codec(sdp_rtpmap_t *map, int ptime, char *buf, switch_size_t buflen)
{
int codec_ms = ptime;
uint32_t map_bit_rate = 0;
char ptstr[20] = "";
char ratestr[20] = "";
char bitstr[20] = "";
switch_codec_fmtp_t codec_fmtp = { 0 };
if (!codec_ms) {
codec_ms = switch_default_ptime(map->rm_encoding, map->rm_pt);
}
map_bit_rate = switch_known_bitrate((switch_payload_t)map->rm_pt);
if (!ptime && !strcasecmp(map->rm_encoding, "g723")) {
ptime = codec_ms = 30;
}
if (zstr(map->rm_fmtp)) {
if (!strcasecmp(map->rm_encoding, "ilbc")) {
ptime = codec_ms = 30;
map_bit_rate = 13330;
}
} else {
if ((switch_core_codec_parse_fmtp(map->rm_encoding, map->rm_fmtp, map->rm_rate, &codec_fmtp)) == SWITCH_STATUS_SUCCESS) {
if (codec_fmtp.bits_per_second) {
map_bit_rate = codec_fmtp.bits_per_second;
}
if (codec_fmtp.microseconds_per_packet) {
codec_ms = (codec_fmtp.microseconds_per_packet / 1000);
}
}
}
if (map->rm_rate) {
switch_snprintf(ratestr, sizeof(ratestr), "@%uh", (unsigned int) map->rm_rate);
}
if (codec_ms) {
switch_snprintf(ptstr, sizeof(ptstr), "@%di", codec_ms);
}
if (map_bit_rate) {
switch_snprintf(bitstr, sizeof(bitstr), "@%db", map_bit_rate);
}
switch_snprintf(buf + strlen(buf), buflen - strlen(buf), ",%s%s%s%s", map->rm_encoding, ratestr, ptstr, bitstr);
}
SWITCH_DECLARE(void) switch_core_media_set_r_sdp_codec_string(switch_core_session_t *session, const char *codec_string, sdp_session_t *sdp)
{
char buf[1024] = { 0 };
sdp_media_t *m;
sdp_attribute_t *attr;
int ptime = 0, dptime = 0;
sdp_connection_t *connection;
sdp_rtpmap_t *map;
short int match = 0;
int i;
int already_did[128] = { 0 };
int num_codecs = 0;
char *codec_order[SWITCH_MAX_CODECS];
const switch_codec_implementation_t *codecs[SWITCH_MAX_CODECS] = { 0 };
switch_channel_t *channel = switch_core_session_get_channel(session);
int prefer_sdp = 0;
const char *var;
switch_media_handle_t *smh;
if (!(smh = session->media_handle)) {
return;
}
if ((var = switch_channel_get_variable(channel, "ep_codec_prefer_sdp")) && switch_true(var)) {
prefer_sdp = 1;
}
if (!zstr(codec_string)) {
char *tmp_codec_string;
if ((tmp_codec_string = strdup(codec_string))) {
num_codecs = switch_separate_string(tmp_codec_string, ',', codec_order, SWITCH_MAX_CODECS);
num_codecs = switch_loadable_module_get_codecs_sorted(codecs, SWITCH_MAX_CODECS, codec_order, num_codecs);
switch_safe_free(tmp_codec_string);
}
} else {
num_codecs = switch_loadable_module_get_codecs(codecs, SWITCH_MAX_CODECS);
}
if (!channel || !num_codecs) {
return;
}
for (attr = sdp->sdp_attributes; attr; attr = attr->a_next) {
if (zstr(attr->a_name)) {
continue;
}
if (!strcasecmp(attr->a_name, "ptime")) {
dptime = atoi(attr->a_value);
break;
}
}
switch_core_media_find_zrtp_hash(session, sdp);
switch_core_media_pass_zrtp_hash(session);
for (m = sdp->sdp_media; m; m = m->m_next) {
ptime = dptime;
if (m->m_type == sdp_media_image && m->m_port) {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",t38");
} else if (m->m_type == sdp_media_audio && m->m_port) {
for (attr = m->m_attributes; attr; attr = attr->a_next) {
if (zstr(attr->a_name)) {
continue;
}
if (!strcasecmp(attr->a_name, "ptime") && attr->a_value) {
ptime = atoi(attr->a_value);
break;
}
}
connection = sdp->sdp_connection;
if (m->m_connections) {
connection = m->m_connections;
}
if (!connection) {
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
break;
}
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_INBOUND || prefer_sdp) {
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_pt > 127 || already_did[map->rm_pt]) {
continue;
}
for (i = 0; i < num_codecs; i++) {
const switch_codec_implementation_t *imp = codecs[i];
if ((zstr(map->rm_encoding) || (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
if (map->rm_encoding) {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
} else {
match = 0;
}
}
if (match) {
add_audio_codec(map, ptime, buf, sizeof(buf));
break;
}
}
}
} else {
for (i = 0; i < num_codecs; i++) {
const switch_codec_implementation_t *imp = codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_AUDIO || imp->ianacode > 127 || already_did[imp->ianacode]) {
continue;
}
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_pt > 127 || already_did[map->rm_pt]) {
continue;
}
if ((zstr(map->rm_encoding) || (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
if (map->rm_encoding) {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
} else {
match = 0;
}
}
if (match) {
add_audio_codec(map, ptime, buf, sizeof(buf));
break;
}
}
}
}
} else if (m->m_type == sdp_media_video && m->m_port) {
connection = sdp->sdp_connection;
if (m->m_connections) {
connection = m->m_connections;
}
if (!connection) {
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_ERROR, "Cannot find a c= line in the sdp at media or session level!\n");
break;
}
for (i = 0; i < num_codecs; i++) {
const switch_codec_implementation_t *imp = codecs[i];
if (imp->codec_type != SWITCH_CODEC_TYPE_VIDEO || imp->ianacode > 127 || already_did[imp->ianacode]) {
continue;
}
for (map = m->m_rtpmaps; map; map = map->rm_next) {
if (map->rm_pt > 127 || already_did[map->rm_pt]) {
continue;
}
if ((zstr(map->rm_encoding) || (smh->mparams->ndlb & SM_NDLB_ALLOW_BAD_IANANAME)) && map->rm_pt < 96) {
match = (map->rm_pt == imp->ianacode) ? 1 : 0;
} else {
if (map->rm_encoding) {
match = strcasecmp(map->rm_encoding, imp->iananame) ? 0 : 1;
} else {
match = 0;
}
}
if (match) {
if (ptime > 0) {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh@%di", imp->iananame, (unsigned int) map->rm_rate,
ptime);
} else {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), ",%s@%uh", imp->iananame, (unsigned int) map->rm_rate);
}
already_did[imp->ianacode] = 1;
break;
}
}
}
}
}
if (buf[0] == ',') {
switch_channel_set_variable(channel, "ep_codec_string", buf + 1);
}
}
/* For Emacs:
* Local Variables: