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set tdm pre buffer len to 200ms by default, and set it to 0 before fax calls

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This commit is contained in:
Mathieu Rene
2012-08-14 16:22:31 -04:00
parent 76edb0b94e
commit bd84a23f51
4 changed files with 91 additions and 10 deletions
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src/mod/endpoints/mod_media_gateway/media_gateway.c
+42 -7
View File
@@ -134,6 +134,7 @@ switch_status_t megaco_activate_termination(mg_termination_t *term)
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, kSPAN_NAME, term->u.tdm.span_name);
switch_event_add_header(var_event, SWITCH_STACK_BOTTOM, kCHAN_ID, "%d", term->u.tdm.channel);
switch_event_add_header(var_event, SWITCH_STACK_BOTTOM, kPREBUFFER_LEN, "%d", term->profile->tdm_pre_buffer_size);
}
/* Set common variables on the channel */
@@ -146,9 +147,15 @@ switch_status_t megaco_activate_termination(mg_termination_t *term)
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_event_add_header_string(var_event, SWITCH_STACK_BOTTOM, "command", "media_modify");
if (term->u.rtp.t38_options) {
switch_channel_set_private(channel, "t38_options", term->u.rtp.t38_options);
}
if (term->type == MG_TERM_RTP) {
if (term->u.rtp.t38_options) {
switch_channel_set_private(channel, "t38_options", term->u.rtp.t38_options);
}
if (term->u.rtp.media_type == MGM_IMAGE) {
mg_term_set_pre_buffer_size(term, 0);
}
}
switch_core_session_receive_event(session, &var_event);
@@ -176,10 +183,10 @@ switch_status_t megaco_activate_termination(mg_termination_t *term)
channel = switch_core_session_get_channel(session);
switch_channel_set_private(channel, PVT_MG_TERM, term);
if (term->u.rtp.t38_options) {
switch_channel_set_private(channel, "t38_options", term->u.rtp.t38_options);
}
if (term->type == MG_TERM_RTP && term->u.rtp.t38_options) {
switch_channel_set_private(channel, "t38_options", term->u.rtp.t38_options);
}
switch_core_event_hook_add_recv_dtmf(session, mg_on_dtmf);
if (term->type == MG_TERM_TDM) {
@@ -724,6 +731,34 @@ switch_status_t megaco_peer_profile_destroy(mg_peer_profile_t **profile)
return SWITCH_STATUS_SUCCESS;
}
void mg_term_set_pre_buffer_size(mg_termination_t *term, int newval)
{
switch_event_t *event = NULL, *event2 = NULL;
switch_core_session_t *session, *session2;
if (!zstr(term->uuid) && (session = switch_core_session_locate(term->uuid))) {
switch_event_create(&event, SWITCH_EVENT_CLONE);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "command", kPREBUFFER_LEN);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, kPREBUFFER_LEN, "%d", newval);
/* Propagate event to bridged session if there is one */
if (switch_core_session_get_partner(session, &session2) == SWITCH_STATUS_SUCCESS) {
switch_event_dup(&event2, event);
switch_core_session_receive_event(session2, &event2);
switch_core_session_rwunlock(session2);
}
switch_core_session_receive_event(session, &event);
switch_core_session_rwunlock(session);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sent prebuffer_size event to [%s] to [%d ms]\n", term->uuid, newval);
}
done:
switch_event_destroy(&event);
}
/* For Emacs:
* Local Variables:
* mode:c
src/mod/endpoints/mod_media_gateway/media_gateway_xml.c
+8
View File
@@ -288,6 +288,13 @@ static switch_xml_config_item_t *get_instructions(megaco_profile_t *profile) {
9
};
static switch_xml_config_int_options_t pre_buffer_len = {
SWITCH_TRUE, /* enforce min */
0,
SWITCH_TRUE, /* enforce Max */
10000
};
#if 0
static switch_xml_config_enum_item_t opt_default_codec_enum[] = {
{ "PCMA", MEGACO_CODEC_PCMA},
@@ -311,6 +318,7 @@ static switch_xml_config_item_t *get_instructions(megaco_profile_t *profile) {
SWITCH_CONFIG_ITEM("rtp-port-range", SWITCH_CONFIG_STRING, CONFIG_REQUIRED, &profile->rtp_port_range, "1-65535", &switch_config_string_strdup, "", "rtp port range"),
SWITCH_CONFIG_ITEM("rtp-termination-id-prefix", SWITCH_CONFIG_STRING, CONFIG_RELOADABLE, &profile->rtp_termination_id_prefix, "", &switch_config_string_strdup, "", "rtp termination prefix"),
SWITCH_CONFIG_ITEM("rtp-termination-id-length", SWITCH_CONFIG_INT, CONFIG_RELOADABLE, &profile->rtp_termination_id_len, "", &opt_termination_id_len, "", "rtp termination id"),
SWITCH_CONFIG_ITEM("rtp-pre-buffer-size", SWITCH_CONFIG_INT, CONFIG_RELOADABLE, &profile->tdm_pre_buffer_size, 200, &pre_buffer_len, "", "freetdm pre buffer size"),
SWITCH_CONFIG_ITEM("codec-prefs", SWITCH_CONFIG_STRING, 0, &profile->codec_prefs, "", &switch_config_string_strdup, "", "codec preferences, coma-separated"),
SWITCH_CONFIG_ITEM_END()
};
src/mod/endpoints/mod_media_gateway/mod_media_gateway.h
+6 -1
View File
@@ -87,7 +87,7 @@ typedef struct mg_context_s mg_context_t;
#define kSPAN_ID "span"
#define kCHAN_ID "chan"
#define kSPAN_NAME "span_name"
#define kPREBUFFER_LEN "prebuffer_len"
typedef struct mg_termination_s mg_termination_t;
@@ -200,6 +200,7 @@ struct megaco_profile_s {
char* rtp_port_range;
char* rtp_termination_id_prefix;
int rtp_termination_id_len;
int tdm_pre_buffer_size;
char* peer_list[MG_MAX_PEERS]; /* MGC Peer ID LIST */
char* codec_prefs;
int inact_tmr; /* inactivity timer value */
@@ -267,6 +268,7 @@ switch_status_t megaco_profile_destroy(megaco_profile_t **profile);
uint32_t mg_rtp_request_id(megaco_profile_t *profile);
void mg_rtp_release_id(megaco_profile_t *profile, uint32_t id);
void mg_term_set_pre_buffer_size(mg_termination_t *term, int newval);
mg_context_t *megaco_get_context(megaco_profile_t *profile, uint32_t context_id);
mg_context_t *megaco_choose_context(megaco_profile_t *profile);
@@ -295,6 +297,9 @@ switch_status_t megaco_context_is_term_present(mg_context_t *ctx, mg_termination
switch_status_t megaco_prepare_tdm_termination(mg_termination_t *term);
switch_status_t megaco_check_tdm_termination(mg_termination_t *term);
#endif /* MOD_MEGACO_H */