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freetdm: make codec configurable for unrestricted digital calls (for G722 calls in Sangoma ISDN)

This commit is contained in:
Moises Silva 2011-05-19 17:17:46 -03:00
parent 1b965d864b
commit e56d8934fe
1 changed files with 28 additions and 5 deletions
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33
libs/freetdm/mod_freetdm/mod_freetdm.c
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@ -130,6 +130,10 @@ struct span_config {
int limit_calls;
int limit_seconds;
limit_reset_event_t limit_reset_event;
/* digital codec and digital sampling rate are used to configure the codec
* when bearer capability is set to unrestricted digital */
const char *digital_codec;
int digital_sampling_rate;
chan_pvt_t pvts[FTDM_MAX_CHANNELS_SPAN];
};
@ -298,6 +302,7 @@ static switch_status_t tech_init(private_t *tech_pvt, switch_core_session_t *ses
{
const char *dname = NULL;
uint32_t interval = 0, srate = 8000;
uint32_t span_id;
ftdm_codec_t codec;
tech_pvt->ftdmchan = ftdmchan;
@ -318,11 +323,13 @@ static switch_status_t tech_init(private_t *tech_pvt, switch_core_session_t *ses
return SWITCH_STATUS_GENERR;
}
if (caller_data->bearer_capability == FTDM_BEARER_CAP_UNRESTRICTED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Initializing digital call.\n");
/* temporary hack, this will be configurable */
dname = "G722";
srate = 16000;
span_id = ftdm_channel_get_span_id(ftdmchan);
if (caller_data->bearer_capability == FTDM_BEARER_CAP_UNRESTRICTED
&& SPAN_CONFIG[span_id].digital_codec) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Initializing digital call with codec %s at %dhz.\n",
SPAN_CONFIG[span_id].digital_codec, SPAN_CONFIG[span_id].digital_sampling_rate);
dname = SPAN_CONFIG[span_id].digital_codec;
srate = SPAN_CONFIG[span_id].digital_sampling_rate;
goto init_codecs;
}
@ -2702,6 +2709,7 @@ static void parse_bri_pri_spans(switch_xml_t cfg, switch_xml_t spans)
/* some defaults first */
SPAN_CONFIG[span_id].limit_backend = "hash";
SPAN_CONFIG[span_id].limit_reset_event = FTDM_LIMIT_RESET_ON_TIMEOUT;
SPAN_CONFIG[span_id].digital_sampling_rate = 8000;
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
@ -2716,6 +2724,21 @@ static void parse_bri_pri_spans(switch_xml_t cfg, switch_xml_t spans)
context = val;
} else if (!strcasecmp(var, "dialplan")) {
dialplan = val;
} else if (!strcasecmp(var, "unrestricted-digital-codec")) {
//switch_core_strdup(pool, val);
const switch_codec_implementation_t *codec = NULL;
int num_codecs;
num_codecs = switch_loadable_module_get_codecs_sorted(&codec, 1, &val, 1);
if (num_codecs != 1 || !codec) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Failed finding codec %s for unrestricted digital calls\n", val);
} else {
SPAN_CONFIG[span_id].digital_codec = switch_core_strdup(module_pool, codec->iananame);
SPAN_CONFIG[span_id].digital_sampling_rate = codec->samples_per_second;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,
"Unrestricted digital codec is %s at %dhz for span %d\n",
SPAN_CONFIG[span_id].digital_codec, SPAN_CONFIG[span_id].digital_sampling_rate, span_id);
}
} else if (!strcasecmp(var, "call_limit_backend")) {
SPAN_CONFIG[span_id].limit_backend = val;
ftdm_log(FTDM_LOG_DEBUG, "Using limit backend %s for span %d\n", SPAN_CONFIG[span_id].limit_backend, span_id);