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openzap: misc dtmf merged changes from freetdm

This commit is contained in:
Moises Silva 2010-06-27 19:31:26 -04:00
parent 7ef629e34b
commit bacef26a6a
2 changed files with 39 additions and 20 deletions
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37
libs/openzap/mod_openzap/mod_openzap.c
View File

@ -1529,6 +1529,24 @@ static ZIO_SIGNAL_CB_FUNCTION(on_common_signal)
return ZAP_BREAK;
}
static void zap_enable_channel_dtmf(zap_channel_t *zchan, switch_channel_t *channel)
{
if (channel) {
const char *var;
if ((var = switch_channel_get_variable(channel, "openzap_disable_dtmf"))) {
if (switch_true(var)) {
zap_channel_command(zchan, ZAP_COMMAND_DISABLE_DTMF_DETECT, NULL);
zap_log(ZAP_LOG_INFO, "DTMF detection disabled in channel %d:%d\n", zchan->span_id, zchan->chan_id);
return;
}
}
/* the variable is not present or has negative value then proceed to enable DTMF */
}
if (zap_channel_command(zchan, ZAP_COMMAND_ENABLE_DTMF_DETECT, NULL) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Failed to enable DTMF detection in channel %d:%d\n", zchan->span_id, zchan->chan_id);
}
}
static ZIO_SIGNAL_CB_FUNCTION(on_fxo_signal)
{
switch_core_session_t *session = NULL;
@ -1567,6 +1585,7 @@ static ZIO_SIGNAL_CB_FUNCTION(on_fxo_signal)
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
}
}
@ -1606,6 +1625,7 @@ static ZIO_SIGNAL_CB_FUNCTION(on_fxs_signal)
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
}
}
@ -1887,12 +1907,9 @@ static ZIO_SIGNAL_CB_FUNCTION(on_r2_signal)
case ZAP_SIGEVENT_UP:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
zap_tone_type_t tt = ZAP_TONE_DTMF;
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
if (zap_channel_command(sigmsg->channel, ZAP_COMMAND_ENABLE_DTMF_DETECT, &tt) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Failed to enable DTMF detection in R2 channel %d:%d\n", sigmsg->channel->span_id, sigmsg->channel->chan_id);
}
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
}
}
@ -1923,12 +1940,7 @@ static ZIO_SIGNAL_CB_FUNCTION(on_clear_channel_signal)
switch(sigmsg->event_id) {
case ZAP_SIGEVENT_START:
{
zap_tone_type_t tt = ZAP_TONE_DTMF;
if (zap_channel_command(sigmsg->channel, ZAP_COMMAND_ENABLE_DTMF_DETECT, &tt) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "TONE ERROR\n");
}
zap_enable_channel_dtmf(sigmsg->channel, channel);
return zap_channel_from_event(sigmsg, &session);
}
break;
@ -1949,12 +1961,9 @@ static ZIO_SIGNAL_CB_FUNCTION(on_clear_channel_signal)
case ZAP_SIGEVENT_UP:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
zap_tone_type_t tt = ZAP_TONE_DTMF;
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
if (zap_channel_command(sigmsg->channel, ZAP_COMMAND_ENABLE_DTMF_DETECT, &tt) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "TONE ERROR\n");
}
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
} else {
const char *uuid = zap_channel_get_uuid(sigmsg->channel, 0);

22
libs/openzap/src/ozmod/ozmod_wanpipe/ozmod_wanpipe.c
View File

@ -264,11 +264,8 @@ static unsigned wp_open_range(zap_span_t *span, unsigned spanno, unsigned start,
err = sangoma_tdm_get_hw_dtmf(chan->sockfd, &tdm_api);
if (err > 0) {
err = sangoma_tdm_enable_dtmf_events(chan->sockfd, &tdm_api);
if (err == 0) {
zap_channel_set_feature(chan, ZAP_CHANNEL_FEATURE_DTMF_DETECT);
dtmf = "hardware";
}
zap_channel_set_feature(chan, ZAP_CHANNEL_FEATURE_DTMF_DETECT);
dtmf = "hardware";
}
}
@ -1186,8 +1183,21 @@ static ZIO_CHANNEL_DESTROY_FUNCTION(wanpipe_channel_destroy)
sangoma_wait_obj_delete(&sangoma_wait_obj);
}
#endif
if (zchan->sockfd != ZAP_INVALID_SOCKET) {
/* enable HW DTMF. As odd as it seems. Why enable when the channel is being destroyed and won't be used anymore?
* because that way we can transfer the DTMF state back to the driver, if we're being restarted we will set again
* the FEATURE_DTMF flag and use HW DTMF, if we don't enable here, then on module restart we won't see
* HW DTMF available and will use software */
if (zap_channel_test_feature(zchan, ZAP_CHANNEL_FEATURE_DTMF_DETECT)) {
wanpipe_tdm_api_t tdm_api;
int err;
memset(&tdm_api, 0, sizeof(tdm_api));
err = sangoma_tdm_enable_dtmf_events(zchan->sockfd, &tdm_api);
if (err) {
zap_log(ZAP_LOG_WARNING, "Failed to enable Sangoma HW DTMF on channel %d:%d at destroy\n",
zchan->span_id, zchan->chan_id);
}
}
sangoma_close(&zchan->sockfd);
}