switch_status_t spandsp_tdd_send_session(switch_core_session_t *session, const char *text)
{
v18_state_t *tdd_state;
switch_frame_t *read_frame, write_frame = { 0 };
uint8_t write_buf[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_codec_implementation_t read_impl = { 0 };
switch_codec_t write_codec = { 0 };
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_status_t status;
switch_core_session_get_read_impl(session, &read_impl);
if (switch_core_codec_init(&write_codec,
"L16",
NULL,
read_impl.actual_samples_per_second,
read_impl.microseconds_per_packet / 1000,
read_impl.number_of_channels,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL,
switch_core_session_get_pool(session)) == SWITCH_STATUS_SUCCESS) {
write_frame.data = write_buf;
write_frame.buflen = sizeof(write_buf);
write_frame.datalen = read_impl.decoded_bytes_per_packet;
write_frame.samples = write_frame.datalen / 2;
write_frame.codec = &write_codec;
switch_core_session_set_read_codec(session, &write_codec);
} else {
return SWITCH_STATUS_FALSE;
}
tdd_state = v18_init(NULL, TRUE, get_v18_mode(session), put_text_msg, NULL);
v18_put(tdd_state, text, -1);
while(switch_channel_ready(channel)) {
status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
if (!SWITCH_READ_ACCEPTABLE(status)) {
break;
}
if (!v18_tx(tdd_state, (void *)write_buf, write_frame.samples)) {
break;
}
if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
break;
}
}
switch_core_codec_destroy(&write_codec);
switch_core_session_set_read_codec(session, NULL);
v18_free(tdd_state);
return SWITCH_STATUS_SUCCESS;
}
switch_status_t fsk_detect_session(switch_core_session_t *session, const char *flags)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_media_bug_t *bug;
switch_status_t status;
switch_fsk_detect_t *pvt = { 0 };
switch_codec_implementation_t read_impl = { 0 };
int bflags = SMBF_READ_REPLACE;
if (strchr(flags, 'w')) {
bflags = SMBF_WRITE_REPLACE;
}
switch_core_session_get_read_impl(session, &read_impl);
if (!(pvt = switch_core_session_alloc(session, sizeof(*pvt)))) {
return SWITCH_STATUS_MEMERR;
}
pvt->session = session;
if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
if ((status = switch_core_media_bug_add(session, "fsk_detect", NULL,
fsk_detect_callback, pvt, 0, bflags | SMBF_NO_PAUSE, &bug)) != SWITCH_STATUS_SUCCESS) {
return status;
}
switch_channel_set_private(channel, "fsk", bug);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t do_snap(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_media_bug_t *bug = switch_channel_get_private(channel, "snapshot");
char *file;
switch_file_handle_t fh = { 0 };
switch_codec_implementation_t read_impl = { 0 };
switch_size_t bytes_read;
int16_t pdata[4096] = { 0 };
if (bug) {
switch_time_exp_t tm;
switch_size_t retsize;
char date[80] = "";
struct cap_cb *cb = (struct cap_cb *) switch_core_media_bug_get_user_data(bug);
if (!cb) {
return SWITCH_STATUS_FALSE;
}
switch_time_exp_lt(&tm, switch_time_make(switch_epoch_time_now(NULL), 0));
switch_strftime(date, &retsize, sizeof(date), "%Y_%m_%d_%H_%M_%S", &tm);
file = switch_core_session_sprintf(session, "%s%s%s_%s.wav", SWITCH_GLOBAL_dirs.sounds_dir, SWITCH_PATH_SEPARATOR, cb->base, date);
switch_core_session_get_read_impl(session, &read_impl);
fh.channels = 0;
fh.native_rate = read_impl.actual_samples_per_second;
if (switch_core_file_open(&fh,
file,
0,
read_impl.actual_samples_per_second, SWITCH_FILE_FLAG_WRITE | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error opening %s\n", file);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
switch_core_session_reset(session, SWITCH_TRUE, SWITCH_TRUE);
return SWITCH_STATUS_FALSE;
}
switch_mutex_lock(cb->mutex);
while ((bytes_read = switch_buffer_read(cb->buffer, pdata, sizeof(pdata)))) {
switch_size_t samples = bytes_read / 2;
if (switch_core_file_write(&fh, pdata, &samples) != SWITCH_STATUS_SUCCESS) {
break;
}
}
switch_mutex_unlock(cb->mutex);
switch_core_file_close(&fh);
switch_core_set_variable("file", file);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Wrote %s\n", file);
return SWITCH_STATUS_SUCCESS;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s Bug is not attached.\n", switch_channel_get_name(channel));
return SWITCH_STATUS_FALSE;
}
static switch_status_t start_capture(switch_core_session_t *session, unsigned int seconds, switch_media_bug_flag_t flags, const char *base)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_media_bug_t *bug;
switch_status_t status;
switch_codec_implementation_t read_impl = { 0 };
struct cap_cb *cb;
switch_size_t bytes;
switch_bind_flag_t bind_flags = 0;
if (switch_channel_get_private(channel, "snapshot")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Already Running.\n");
return SWITCH_STATUS_FALSE;
}
if (seconds < 5) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Must be at least 5 seconds!\n");
return SWITCH_STATUS_FALSE;
}
switch_core_session_get_read_impl(session, &read_impl);
if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
cb = switch_core_session_alloc(session, sizeof(*cb));
cb->base = switch_core_session_strdup(session, base);
bytes = read_impl.samples_per_second * seconds * 2;
switch_buffer_create_dynamic(&cb->buffer, bytes, bytes, bytes);
switch_mutex_init(&cb->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
if ((status = switch_core_media_bug_add(session, "snapshot", NULL, capture_callback, cb, 0, flags, &bug)) != SWITCH_STATUS_SUCCESS) {
return status;
}
bind_flags = SBF_DIAL_ALEG | SBF_EXEC_ALEG | SBF_EXEC_SAME;
switch_ivr_bind_dtmf_meta_session(session, 7, bind_flags, "snapshot::snap");
switch_channel_set_private(channel, "snapshot", bug);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_core_media_bug_add(switch_core_session_t *session,
const char *function,
const char *target,
switch_media_bug_callback_t callback,
void *user_data, time_t stop_time,
switch_media_bug_flag_t flags,
switch_media_bug_t **new_bug)
{
switch_media_bug_t *bug, *bp;
switch_size_t bytes;
switch_event_t *event;
int tap_only = 1, punt = 0;
const char *p;
if (!zstr(function)) {
if ((flags & SMBF_ONE_ONLY)) {
switch_thread_rwlock_wrlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
if (!zstr(bp->function) && !strcasecmp(function, bp->function)) {
punt = 1;
break;
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
}
if (punt) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
}
if (!switch_channel_media_ready(session->channel)) {
if (switch_channel_pre_answer(session->channel) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
}
*new_bug = NULL;
if ((p = switch_channel_get_variable(session->channel, "media_bug_answer_req")) && switch_true(p)) {
flags |= SMBF_ANSWER_REQ;
}
#if 0
if (flags & SMBF_WRITE_REPLACE) {
switch_thread_rwlock_wrlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
switch_thread_rwlock_unlock(session->bug_rwlock);
return SWITCH_STATUS_GENERR;
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
if (flags & SMBF_READ_REPLACE) {
switch_thread_rwlock_wrlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
if (switch_test_flag(bp, SMBF_READ_REPLACE)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
switch_thread_rwlock_unlock(session->bug_rwlock);
return SWITCH_STATUS_GENERR;
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
#endif
if (!(bug = switch_core_session_alloc(session, sizeof(*bug)))) {
return SWITCH_STATUS_MEMERR;
}
bug->callback = callback;
bug->user_data = user_data;
bug->session = session;
bug->flags = flags;
bug->function = "N/A";
bug->target = "N/A";
switch_core_session_get_read_impl(session, &bug->read_impl);
switch_core_session_get_write_impl(session, &bug->write_impl);
if (function) {
bug->function = switch_core_session_strdup(session, function);
}
if (target) {
bug->target = switch_core_session_strdup(session, target);
}
bug->stop_time = stop_time;
bytes = bug->read_impl.decoded_bytes_per_packet;
if (!bug->flags) {
bug->flags = (SMBF_READ_STREAM | SMBF_WRITE_STREAM);
}
if (switch_test_flag(bug, SMBF_READ_STREAM) || switch_test_flag(bug, SMBF_READ_PING)) {
switch_buffer_create_dynamic(&bug->raw_read_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, MAX_BUG_BUFFER);
switch_mutex_init(&bug->read_mutex, SWITCH_MUTEX_NESTED, session->pool);
}
bytes = bug->write_impl.decoded_bytes_per_packet;
if (switch_test_flag(bug, SMBF_WRITE_STREAM)) {
switch_buffer_create_dynamic(&bug->raw_write_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, MAX_BUG_BUFFER);
switch_mutex_init(&bug->write_mutex, SWITCH_MUTEX_NESTED, session->pool);
}
if ((bug->flags & SMBF_THREAD_LOCK)) {
bug->thread_id = switch_thread_self();
}
if (bug->callback) {
switch_bool_t result = bug->callback(bug, bug->user_data, SWITCH_ABC_TYPE_INIT);
if (result == SWITCH_FALSE) {
switch_core_media_bug_destroy(bug);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error attaching BUG to %s\n",
switch_channel_get_name(session->channel));
return SWITCH_STATUS_GENERR;
}
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Attaching BUG to %s\n", switch_channel_get_name(session->channel));
bug->ready = 1;
switch_thread_rwlock_wrlock(session->bug_rwlock);
bug->next = session->bugs;
session->bugs = bug;
for(bp = session->bugs; bp; bp = bp->next) {
if (bp->ready && !switch_test_flag(bp, SMBF_TAP_NATIVE_READ) && !switch_test_flag(bp, SMBF_TAP_NATIVE_WRITE)) {
tap_only = 0;
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
*new_bug = bug;
if (tap_only) {
switch_set_flag(session, SSF_MEDIA_BUG_TAP_ONLY);
} else {
switch_clear_flag(session, SSF_MEDIA_BUG_TAP_ONLY);
}
if (switch_event_create(&event, SWITCH_EVENT_MEDIA_BUG_START) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Media-Bug-Function", "%s", bug->function);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Media-Bug-Target", "%s", bug->target);
switch_channel_event_set_data(session->channel, event);
switch_event_fire(&event);
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *bug, switch_frame_t *frame, switch_bool_t fill)
{
switch_size_t bytes = 0, datalen = 0;
int16_t *dp, *fp;
uint32_t x;
size_t rlen = 0;
size_t wlen = 0;
uint32_t blen;
switch_codec_implementation_t read_impl = { 0 };
int16_t *tp;
switch_size_t do_read = 0, do_write = 0;
int fill_read = 0, fill_write = 0;
switch_core_session_get_read_impl(bug->session, &read_impl);
bytes = read_impl.decoded_bytes_per_packet;
if (frame->buflen < bytes) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "%s frame buffer too small!\n",
switch_channel_get_name(bug->session->channel));
return SWITCH_STATUS_FALSE;
}
if ((!bug->raw_read_buffer && (!bug->raw_write_buffer || !switch_test_flag(bug, SMBF_WRITE_STREAM)))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR,
"%s Buffer Error (raw_read_buffer=%p, raw_write_buffer=%p, read=%s, write=%s)\n",
switch_channel_get_name(bug->session->channel),
(void *)bug->raw_read_buffer, (void *)bug->raw_write_buffer,
switch_test_flag(bug, SMBF_READ_STREAM) ? "yes" : "no",
switch_test_flag(bug, SMBF_WRITE_STREAM) ? "yes" : "no");
return SWITCH_STATUS_FALSE;
}
frame->flags = 0;
frame->datalen = 0;
if (switch_test_flag(bug, SMBF_READ_STREAM)) {
switch_mutex_lock(bug->read_mutex);
do_read = switch_buffer_inuse(bug->raw_read_buffer);
switch_mutex_unlock(bug->read_mutex);
}
if (switch_test_flag(bug, SMBF_WRITE_STREAM)) {
switch_mutex_lock(bug->write_mutex);
do_write = switch_buffer_inuse(bug->raw_write_buffer);
switch_mutex_unlock(bug->write_mutex);
}
if (bug->record_frame_size && bug->record_pre_buffer_max && (do_read || do_write) && bug->record_pre_buffer_count < bug->record_pre_buffer_max) {
bug->record_pre_buffer_count++;
return SWITCH_STATUS_FALSE;
}
if (!bug->record_frame_size) {
switch_size_t frame_size;
switch_codec_implementation_t read_impl = { 0 };
//switch_codec_implementation_t other_read_impl = { 0 };
//switch_core_session_t *other_session;
switch_core_session_get_read_impl(bug->session, &read_impl);
frame_size = read_impl.decoded_bytes_per_packet;
bug->record_frame_size = frame_size;
#if 0
if (do_read && do_write) {
if (switch_core_session_get_partner(bug->session, &other_session) == SWITCH_STATUS_SUCCESS) {
switch_core_session_get_read_impl(other_session, &other_read_impl);
switch_core_session_rwunlock(other_session);
if (read_impl.actual_samples_per_second == other_read_impl.actual_samples_per_second) {
if (read_impl.decoded_bytes_per_packet < other_read_impl.decoded_bytes_per_packet) {
frame_size = read_impl.decoded_bytes_per_packet;
}
} else {
if (read_impl.decoded_bytes_per_packet > other_read_impl.decoded_bytes_per_packet) {
frame_size = read_impl.decoded_bytes_per_packet;
}
}
}
bug->record_frame_size = frame_size;
}
#endif
}
if (bug->record_frame_size) {
if ((do_read && do_read < bug->record_frame_size) || (do_write && do_write < bug->record_frame_size)) {
return SWITCH_STATUS_FALSE;
}
if (do_read && do_read > bug->record_frame_size) {
do_read = bug->record_frame_size;
}
if (do_write && do_write > bug->record_frame_size) {
do_write = bug->record_frame_size;
}
}
fill_read = !do_read;
fill_write = !do_write;
if (fill_read && fill_write) {
return SWITCH_STATUS_FALSE;
}
if (do_read && do_read > SWITCH_RECOMMENDED_BUFFER_SIZE) {
do_read = 1280;
}
if (do_write && do_write > SWITCH_RECOMMENDED_BUFFER_SIZE) {
do_write = 1280;
}
if (do_read) {
switch_mutex_lock(bug->read_mutex);
frame->datalen = (uint32_t) switch_buffer_read(bug->raw_read_buffer, frame->data, do_read);
if (frame->datalen != do_read) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "Framing Error Reading!\n");
switch_core_media_bug_flush(bug);
switch_mutex_unlock(bug->read_mutex);
return SWITCH_STATUS_FALSE;
}
switch_mutex_unlock(bug->read_mutex);
} else if (fill_read) {
frame->datalen = bytes;
memset(frame->data, 255, frame->datalen);
}
if (do_write) {
switch_assert(bug->raw_write_buffer);
switch_mutex_lock(bug->write_mutex);
datalen = (uint32_t) switch_buffer_read(bug->raw_write_buffer, bug->data, do_write);
if (datalen != do_write) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "Framing Error Writing!\n");
switch_core_media_bug_flush(bug);
switch_mutex_unlock(bug->write_mutex);
return SWITCH_STATUS_FALSE;
}
switch_mutex_unlock(bug->write_mutex);
} else if (fill_write) {
datalen = bytes;
memset(bug->data, 255, datalen);
}
tp = bug->tmp;
dp = (int16_t *) bug->data;
fp = (int16_t *) frame->data;
rlen = frame->datalen / 2;
wlen = datalen / 2;
blen = bytes / 2;
if (switch_test_flag(bug, SMBF_STEREO)) {
int16_t *left, *right;
size_t left_len, right_len;
if (switch_test_flag(bug, SMBF_STEREO_SWAP)) {
left = dp; /* write stream */
left_len = wlen;
right = fp; /* read stream */
right_len = rlen;
} else {
left = fp; /* read stream */
left_len = rlen;
right = dp; /* write stream */
right_len = wlen;
}
for (x = 0; x < blen; x++) {
if (x < left_len) {
*(tp++) = *(left + x);
} else {
*(tp++) = 0;
}
if (x < right_len) {
*(tp++) = *(right + x);
} else {
*(tp++) = 0;
}
}
memcpy(frame->data, bug->tmp, bytes * 2);
} else {
for (x = 0; x < blen; x++) {
int32_t w = 0, r = 0, z = 0;
if (x < rlen) {
r = (int32_t) * (fp + x);
}
if (x < wlen) {
w = (int32_t) * (dp + x);
}
z = w + r;
if (z > SWITCH_SMAX || z < SWITCH_SMIN) {
if (r) z += (r/2);
if (w) z += (w/2);
}
switch_normalize_to_16bit(z);
*(fp + x) = (int16_t) z;
}
}
frame->datalen = bytes;
frame->samples = bytes / sizeof(int16_t);
frame->rate = read_impl.actual_samples_per_second;
frame->codec = NULL;
if (fill_read && fill_write) {
return SWITCH_STATUS_BREAK;
}
if (fill_read || fill_write) {
return SWITCH_STATUS_BREAK;
}
memcpy(bug->session->recur_buffer, frame->data, frame->datalen);
bug->session->recur_buffer_len = frame->datalen;
return SWITCH_STATUS_SUCCESS;
}
static switch_bool_t fsk_detect_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
switch_fsk_detect_t *pvt = (switch_fsk_detect_t *) user_data;
//switch_frame_t *frame = NULL;
switch_channel_t *channel = switch_core_session_get_channel(pvt->session);
switch (type) {
case SWITCH_ABC_TYPE_INIT: {
switch_codec_implementation_t read_impl = { 0 };
switch_core_session_get_read_impl(pvt->session, &read_impl);
if (fsk_demod_init(&pvt->fsk_data, read_impl.actual_samples_per_second, pvt->fbuf, sizeof(pvt->fbuf))) {
return SWITCH_FALSE;
}
break;
}
case SWITCH_ABC_TYPE_CLOSE:
{
fsk_demod_destroy(&pvt->fsk_data);
}
break;
case SWITCH_ABC_TYPE_WRITE_REPLACE:
case SWITCH_ABC_TYPE_READ_REPLACE:
{
switch_frame_t *rframe;
if (type == SWITCH_ABC_TYPE_READ_REPLACE) {
rframe = switch_core_media_bug_get_read_replace_frame(bug);
} else {
rframe = switch_core_media_bug_get_write_replace_frame(bug);
}
if (!pvt->skip && fsk_demod_feed(&pvt->fsk_data, rframe->data, rframe->datalen / 2) != SWITCH_STATUS_SUCCESS) {
char str[1024] = "";
size_t type, mlen;
char *sp;
switch_event_t *event;
const char *app_var;
int total = 0;
switch_event_create_plain(&event, SWITCH_EVENT_CHANNEL_DATA);
while(fsk_data_parse(&pvt->fsk_data, &type, &sp, &mlen) == SWITCH_STATUS_SUCCESS) {
char *varname = NULL, *val, *p;
switch_copy_string(str, sp, mlen+1);
*(str+mlen) = '\0';
switch_clean_string(str);
//printf("TYPE %u LEN %u VAL [%s]\n", (unsigned)type, (unsigned)mlen, str);
val = str;
switch(type) {
case MDMF_DATETIME:
varname = "fsk_datetime";
break;
case MDMF_PHONE_NAME:
varname = "fsk_phone_name";
break;
case MDMF_PHONE_NUM:
varname = "fsk_phone_num";
break;
case MDMF_NAME_VALUE:
varname = switch_core_session_sprintf(pvt->session, "fsk_%s", val);
if ((p = strchr(varname, ':'))) {
*p++ = '\0';
val = p;
}
break;
default:
break;
}
if (varname && val) {
total++;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "%s setting FSK var [%s][%s]\n",
switch_channel_get_name(channel), varname, val);
switch_channel_set_variable(channel, varname, val);
if (event) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, varname, val);
}
}
}
if (event) {
if (switch_core_session_queue_event(pvt->session, &event) != SWITCH_STATUS_SUCCESS) {
switch_event_destroy(&event);
}
}
if (total && (app_var = switch_channel_get_variable(channel, "execute_on_fsk"))) {
char *app_arg;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "%s processing execute_on_fsk [%s]\n",
switch_channel_get_name(channel), app_var);
if ((app_arg = strchr(app_var, ' '))) {
*app_arg++ = '\0';
}
switch_core_session_execute_application(pvt->session, app_var, app_arg);
}
pvt->skip = 10;
}
memset(rframe->data, 255, rframe->datalen);
if (type == SWITCH_ABC_TYPE_READ_REPLACE) {
switch_core_media_bug_set_read_replace_frame(bug, rframe);
} else {
switch_core_media_bug_set_write_replace_frame(bug, rframe);
}
if (pvt->skip && !--pvt->skip) {
return SWITCH_FALSE;
}
}
break;
case SWITCH_ABC_TYPE_WRITE:
default:
break;
}
return SWITCH_TRUE;
}
/* marshall frames from the call leg to the conference thread for muxing to other call legs */
void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, void *obj)
{
switch_event_t *event;
conference_member_t *member = obj;
switch_channel_t *channel;
switch_status_t status;
switch_frame_t *read_frame = NULL;
uint32_t hangover = 40, hangunder = 5, hangover_hits = 0, hangunder_hits = 0, diff_level = 400;
switch_core_session_t *session = member->session;
uint32_t flush_len;
switch_frame_t tmp_frame = { 0 };
if (switch_core_session_read_lock(session) != SWITCH_STATUS_SUCCESS) {
goto end;
}
switch_assert(member != NULL);
conference_utils_member_clear_flag_locked(member, MFLAG_TALKING);
channel = switch_core_session_get_channel(session);
switch_core_session_get_read_impl(session, &member->read_impl);
switch_channel_audio_sync(channel);
flush_len = switch_samples_per_packet(member->conference->rate, member->conference->interval) * 2 * member->conference->channels * (500 / member->conference->interval);
/* As long as we have a valid read, feed that data into an input buffer where the conference thread will take it
and mux it with any audio from other channels. */
while (conference_utils_member_test_flag(member, MFLAG_RUNNING) && switch_channel_ready(channel)) {
if (switch_channel_ready(channel) && switch_channel_test_app_flag(channel, CF_APP_TAGGED)) {
switch_yield(100000);
continue;
}
/* Read a frame. */
status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
switch_mutex_lock(member->read_mutex);
/* end the loop, if appropriate */
if (!SWITCH_READ_ACCEPTABLE(status) || !conference_utils_member_test_flag(member, MFLAG_RUNNING)) {
switch_mutex_unlock(member->read_mutex);
break;
}
if (switch_channel_test_flag(channel, CF_VIDEO) && !conference_utils_member_test_flag(member, MFLAG_ACK_VIDEO)) {
conference_utils_member_set_flag_locked(member, MFLAG_ACK_VIDEO);
conference_video_check_avatar(member, SWITCH_FALSE);
switch_core_session_video_reinit(member->session);
conference_video_set_floor_holder(member->conference, member, SWITCH_FALSE);
} else if (conference_utils_member_test_flag(member, MFLAG_ACK_VIDEO) && !switch_channel_test_flag(channel, CF_VIDEO)) {
conference_video_check_avatar(member, SWITCH_FALSE);
}
/* if we have caller digits, feed them to the parser to find an action */
if (switch_channel_has_dtmf(channel)) {
char dtmf[128] = "";
switch_channel_dequeue_dtmf_string(channel, dtmf, sizeof(dtmf));
if (conference_utils_member_test_flag(member, MFLAG_DIST_DTMF)) {
conference_member_send_all_dtmf(member, member->conference, dtmf);
} else if (member->dmachine) {
char *p;
char str[2] = "";
for (p = dtmf; p && *p; p++) {
str[0] = *p;
switch_ivr_dmachine_feed(member->dmachine, str, NULL);
}
}
} else if (member->dmachine) {
switch_ivr_dmachine_ping(member->dmachine, NULL);
}
if (switch_queue_size(member->dtmf_queue)) {
switch_dtmf_t *dt;
void *pop;
if (switch_queue_trypop(member->dtmf_queue, &pop) == SWITCH_STATUS_SUCCESS) {
dt = (switch_dtmf_t *) pop;
switch_core_session_send_dtmf(member->session, dt);
free(dt);
}
}
if (switch_channel_test_flag(member->channel, CF_CONFERENCE_RESET_MEDIA)) {
member->reset_media = 10;
switch_channel_audio_sync(member->channel);
switch_channel_clear_flag(member->channel, CF_CONFERENCE_RESET_MEDIA);
}
if (member->reset_media) {
if (--member->reset_media > 0) {
goto do_continue;
}
if (conference_member_setup_media(member, member->conference)) {
switch_mutex_unlock(member->read_mutex);
break;
}
member->loop_loop = 1;
goto do_continue;
}
if (switch_test_flag(read_frame, SFF_CNG)) {
if (member->conference->agc_level) {
member->nt_tally++;
}
if (hangunder_hits) {
hangunder_hits--;
}
if (conference_utils_member_test_flag(member, MFLAG_TALKING)) {
if (++hangover_hits >= hangover) {
hangover_hits = hangunder_hits = 0;
conference_utils_member_clear_flag_locked(member, MFLAG_TALKING);
conference_member_update_status_field(member);
conference_member_check_agc_levels(member);
conference_member_clear_avg(member);
member->score_iir = 0;
member->floor_packets = 0;
if (test_eflag(member->conference, EFLAG_STOP_TALKING) &&
switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, CONF_EVENT_MAINT) == SWITCH_STATUS_SUCCESS) {
conference_member_add_event_data(member, event);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Action", "stop-talking");
switch_event_fire(&event);
}
}
}
goto do_continue;
}
if (member->nt_tally > (int32_t)(member->read_impl.actual_samples_per_second / member->read_impl.samples_per_packet) * 3) {
member->agc_volume_in_level = 0;
conference_member_clear_avg(member);
}
/* Check for input volume adjustments */
if (!member->conference->agc_level) {
member->conference->agc_level = 0;
conference_member_clear_avg(member);
}
/* if the member can speak, compute the audio energy level and */
/* generate events when the level crosses the threshold */
if ((conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK) || conference_utils_member_test_flag(member, MFLAG_MUTE_DETECT))) {
uint32_t energy = 0, i = 0, samples = 0, j = 0;
int16_t *data;
int agc_period = (member->read_impl.actual_samples_per_second / member->read_impl.samples_per_packet) / 4;
data = read_frame->data;
member->score = 0;
if (member->volume_in_level) {
switch_change_sln_volume(read_frame->data, (read_frame->datalen / 2) * member->conference->channels, member->volume_in_level);
}
if (member->agc_volume_in_level) {
switch_change_sln_volume_granular(read_frame->data, (read_frame->datalen / 2) * member->conference->channels, member->agc_volume_in_level);
}
if ((samples = read_frame->datalen / sizeof(*data) / member->read_impl.number_of_channels)) {
for (i = 0; i < samples; i++) {
energy += abs(data[j]);
j += member->read_impl.number_of_channels;
}
member->score = energy / samples;
}
if (member->vol_period) {
member->vol_period--;
}
if (member->conference->agc_level && member->score &&
conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK) &&
conference_member_noise_gate_check(member)
) {
int last_shift = abs((int)(member->last_score - member->score));
if (member->score && member->last_score && last_shift > 900) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG7,
"AGC %s:%d drop anomalous shift of %d\n",
member->conference->name,
member->id, last_shift);
} else {
member->avg_tally += member->score;
member->avg_itt++;
if (!member->avg_itt) member->avg_itt++;
member->avg_score = member->avg_tally / member->avg_itt;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG7,
"AGC %s:%d diff:%d level:%d cur:%d avg:%d vol:%d\n",
member->conference->name,
member->id, member->conference->agc_level - member->avg_score, member->conference->agc_level,
member->score, member->avg_score, member->agc_volume_in_level);
if (++member->agc_concur >= agc_period) {
if (!member->vol_period) {
conference_member_check_agc_levels(member);
}
member->agc_concur = 0;
}
} else {
member->nt_tally++;
}
member->score_iir = (int) (((1.0 - SCORE_DECAY) * (float) member->score) + (SCORE_DECAY * (float) member->score_iir));
if (member->score_iir > SCORE_MAX_IIR) {
member->score_iir = SCORE_MAX_IIR;
}
if (conference_member_noise_gate_check(member)) {
uint32_t diff = member->score - member->energy_level;
if (hangover_hits) {
hangover_hits--;
}
if (member->conference->agc_level) {
member->nt_tally = 0;
}
if (member == member->conference->floor_holder) {
member->floor_packets++;
}
if (diff >= diff_level || ++hangunder_hits >= hangunder) {
hangover_hits = hangunder_hits = 0;
member->last_talking = switch_epoch_time_now(NULL);
if (!conference_utils_member_test_flag(member, MFLAG_TALKING)) {
conference_utils_member_set_flag_locked(member, MFLAG_TALKING);
conference_member_update_status_field(member);
member->floor_packets = 0;
if (test_eflag(member->conference, EFLAG_START_TALKING) && conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK) &&
switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, CONF_EVENT_MAINT) == SWITCH_STATUS_SUCCESS) {
conference_member_add_event_data(member, event);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Action", "start-talking");
switch_event_fire(&event);
}
if (conference_utils_member_test_flag(member, MFLAG_MUTE_DETECT) && !conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK)) {
if (!zstr(member->conference->mute_detect_sound)) {
conference_utils_member_set_flag(member, MFLAG_INDICATE_MUTE_DETECT);
}
if (test_eflag(member->conference, EFLAG_MUTE_DETECT) &&
switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, CONF_EVENT_MAINT) == SWITCH_STATUS_SUCCESS) {
conference_member_add_event_data(member, event);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Action", "mute-detect");
switch_event_fire(&event);
}
}
}
}
} else {
if (hangunder_hits) {
hangunder_hits--;
}
if (member->conference->agc_level) {
member->nt_tally++;
}
if (conference_utils_member_test_flag(member, MFLAG_TALKING) && conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK)) {
switch_event_t *event;
if (++hangover_hits >= hangover) {
hangover_hits = hangunder_hits = 0;
conference_utils_member_clear_flag_locked(member, MFLAG_TALKING);
conference_member_update_status_field(member);
conference_member_check_agc_levels(member);
conference_member_clear_avg(member);
if (test_eflag(member->conference, EFLAG_STOP_TALKING) &&
switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, CONF_EVENT_MAINT) == SWITCH_STATUS_SUCCESS) {
conference_member_add_event_data(member, event);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Action", "stop-talking");
switch_event_fire(&event);
}
}
}
}
member->last_score = member->score;
if (member == member->conference->floor_holder) {
if (member->id != member->conference->video_floor_holder &&
(member->floor_packets > member->conference->video_floor_packets || member->energy_level == 0)) {
conference_video_set_floor_holder(member->conference, member, SWITCH_FALSE);
}
}
}
/* skip frames that are not actual media or when we are muted or silent */
if ((conference_utils_member_test_flag(member, MFLAG_TALKING) || member->energy_level == 0 || conference_utils_test_flag(member->conference, CFLAG_AUDIO_ALWAYS))
&& conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK) && !conference_utils_test_flag(member->conference, CFLAG_WAIT_MOD)
&& (member->conference->count > 1 || (member->conference->record_count && member->conference->count >= member->conference->min_recording_participants))) {
switch_audio_resampler_t *read_resampler = member->read_resampler;
void *data;
uint32_t datalen;
if (read_resampler) {
int16_t *bptr = (int16_t *) read_frame->data;
int len = (int) read_frame->datalen;
switch_resample_process(read_resampler, bptr, len / 2 / member->read_impl.number_of_channels);
memcpy(member->resample_out, read_resampler->to, read_resampler->to_len * 2 * member->read_impl.number_of_channels);
len = read_resampler->to_len * 2 * member->read_impl.number_of_channels;
datalen = len;
data = member->resample_out;
} else {
data = read_frame->data;
datalen = read_frame->datalen;
}
tmp_frame.data = data;
tmp_frame.datalen = datalen;
tmp_frame.rate = member->conference->rate;
conference_member_check_channels(&tmp_frame, member, SWITCH_TRUE);
if (datalen) {
switch_size_t ok = 1;
/* Write the audio into the input buffer */
switch_mutex_lock(member->audio_in_mutex);
if (switch_buffer_inuse(member->audio_buffer) > flush_len) {
switch_buffer_toss(member->audio_buffer, tmp_frame.datalen);
}
ok = switch_buffer_write(member->audio_buffer, tmp_frame.data, tmp_frame.datalen);
switch_mutex_unlock(member->audio_in_mutex);
if (!ok) {
switch_mutex_unlock(member->read_mutex);
break;
}
}
}
do_continue:
switch_mutex_unlock(member->read_mutex);
}
if (switch_queue_size(member->dtmf_queue)) {
switch_dtmf_t *dt;
void *pop;
while (switch_queue_trypop(member->dtmf_queue, &pop) == SWITCH_STATUS_SUCCESS) {
dt = (switch_dtmf_t *) pop;
free(dt);
}
}
switch_resample_destroy(&member->read_resampler);
switch_core_session_rwunlock(session);
end:
conference_utils_member_clear_flag_locked(member, MFLAG_ITHREAD);
return NULL;
}
static int oreka_setup_rtp(oreka_session_t *oreka, oreka_stream_type_t type)
{
switch_port_t rtp_port = 0;
switch_rtp_flag_t flags[SWITCH_RTP_FLAG_INVALID] = {0};
switch_rtp_t *rtp_stream = NULL;
switch_codec_implementation_t *codec_impl = NULL;
switch_status_t status = SWITCH_STATUS_SUCCESS;
int res = 0;
const char *err = "unknown error";
const char *type_str = type == FS_OREKA_READ ? "read" : "write";
if (type == FS_OREKA_READ) {
status = switch_core_session_get_read_impl(oreka->session, &oreka->read_impl);
codec_impl = &oreka->read_impl;
} else {
status = switch_core_session_get_write_impl(oreka->session, &oreka->write_impl);
codec_impl = &oreka->write_impl;
}
if (status != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No %s codec implementation available!\n", type_str);
res = -1;
goto done;
}
if (!(rtp_port = switch_rtp_request_port(globals.local_ipv4_str))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to allocate %s RTP port for IP %s\n", type_str, globals.local_ipv4_str);
res = -1;
goto done;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Allocated %s port %d for local IP %s, destination IP %s\n", type_str,
rtp_port, globals.local_ipv4_str, globals.sip_server_ipv4_str);
rtp_stream = switch_rtp_new(globals.local_ipv4_str, rtp_port,
globals.sip_server_ipv4_str, rtp_port,
0, /* PCMU IANA*/
codec_impl->samples_per_packet,
codec_impl->microseconds_per_packet,
flags, NULL, &err, switch_core_session_get_pool(oreka->session));
if (!rtp_stream) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to create %s RTP stream at %s:%d: %s\n",
type_str, globals.local_ipv4_str, rtp_port, err);
res = -1;
goto done;
}
switch_rtp_intentional_bugs(rtp_stream, RTP_BUG_SEND_LINEAR_TIMESTAMPS);
done:
if (res == -1) {
if (rtp_port) {
switch_rtp_release_port(globals.local_ipv4_str, rtp_port);
}
if (rtp_stream) {
switch_rtp_destroy(&rtp_stream);
}
} else {
if (type == FS_OREKA_READ) {
oreka->read_rtp_stream = rtp_stream;
oreka->read_rtp_port = rtp_port;
} else {
oreka->write_rtp_stream = rtp_stream;
oreka->write_rtp_port = rtp_port;
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Successfully created %s RTP stream at %s:%d at %dms@%dHz\n",
type_str, globals.local_ipv4_str, rtp_port, codec_impl->microseconds_per_packet/1000, codec_impl->samples_per_second);
return res;
}
SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *bug, switch_frame_t *frame, switch_bool_t fill)
{
switch_size_t bytes = 0, datalen = 0, ttl = 0;
int16_t *dp, *fp;
uint32_t x;
size_t rlen = 0;
size_t wlen = 0;
uint32_t blen;
switch_codec_implementation_t read_impl = { 0 };
int16_t *tp;
switch_core_session_get_read_impl(bug->session, &read_impl);
bytes = read_impl.decoded_bytes_per_packet;
if (frame->buflen < bytes) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "%s frame buffer too small!\n",
switch_channel_get_name(bug->session->channel));
return SWITCH_STATUS_FALSE;
}
if (!(bug->raw_read_buffer && (bug->raw_write_buffer || !switch_test_flag(bug, SMBF_WRITE_STREAM)))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "%s Buffer Error\n",
switch_channel_get_name(bug->session->channel));
return SWITCH_STATUS_FALSE;
}
frame->flags = 0;
frame->datalen = 0;
if (!switch_buffer_inuse(bug->raw_read_buffer)) {
return SWITCH_STATUS_FALSE;
}
switch_mutex_lock(bug->read_mutex);
frame->datalen = (uint32_t) switch_buffer_read(bug->raw_read_buffer, frame->data, bytes);
ttl += frame->datalen;
switch_mutex_unlock(bug->read_mutex);
if (switch_test_flag(bug, SMBF_WRITE_STREAM)) {
switch_assert(bug->raw_write_buffer);
switch_mutex_lock(bug->write_mutex);
datalen = (uint32_t) switch_buffer_read(bug->raw_write_buffer, bug->data, bytes);
ttl += datalen;
if (fill && datalen < bytes) {
memset(((unsigned char *) bug->data) + datalen, 0, bytes - datalen);
datalen = bytes;
}
switch_mutex_unlock(bug->write_mutex);
}
tp = bug->tmp;
dp = (int16_t *) bug->data;
fp = (int16_t *) frame->data;
rlen = frame->datalen / 2;
wlen = datalen / 2;
blen = bytes / 2;
if (!fill && rlen == 0 && wlen == 0) {
frame->datalen = 0;
frame->samples = 0;
frame->rate = read_impl.actual_samples_per_second;
frame->codec = NULL;
return SWITCH_STATUS_FALSE;
}
if (switch_test_flag(bug, SMBF_STEREO)) {
for (x = 0; x < blen; x++) {
if (x < rlen) {
*(tp++) = *(fp + x);
} else {
*(tp++) = 0;
}
if (x < wlen) {
*(tp++) = *(dp + x);
} else {
*(tp++) = 0;
}
}
memcpy(frame->data, bug->tmp, bytes * 2);
} else {
for (x = 0; x < blen; x++) {
int32_t z = 0;
if (x < rlen) {
z += (int32_t) * (fp + x);
}
if (x < wlen) {
z += (int32_t) * (dp + x);
}
switch_normalize_to_16bit(z);
*(fp + x) = (int16_t) z / 2;
}
}
if (!ttl) {
switch_set_flag(frame, SFF_CNG);
}
frame->datalen = bytes;
frame->samples = bytes / sizeof(int16_t);
frame->rate = read_impl.actual_samples_per_second;
frame->codec = NULL;
return SWITCH_STATUS_SUCCESS;
}
switch_status_t ladspa_session(switch_core_session_t *session, const char *flags, const char *plugin_name, const char *label, const char *params)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_media_bug_t *bug;
switch_status_t status;
switch_ladspa_t *pvt = { 0 };
switch_codec_implementation_t read_impl = { 0 };
int i, bflags = SMBF_READ_REPLACE | SMBF_ANSWER_REQ;
char *pstr;
int argc;
char *argv[50];
char *dparams = NULL;
if (zstr(plugin_name)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s INVALID PLUGIN\n", switch_channel_get_name(channel));
return SWITCH_STATUS_FALSE;
}
if (zstr(flags)) {
flags = "r";
}
if (strchr(flags, 'w')) {
bflags = SMBF_WRITE_REPLACE;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "FLAGS: %s PLUGIN: %s LABEL: %s PARAMS: %s\n",
flags, plugin_name, label, params);
switch_core_session_get_read_impl(session, &read_impl);
pvt = switch_core_session_alloc(session, sizeof(*pvt));
pvt->session = session;
if (!zstr(label)) {
pvt->label_name = switch_core_session_strdup(session, label);
} else {
char *p;
pvt->label_name = switch_core_session_strdup(session, plugin_name);
if ((p = strrchr(pvt->label_name, '.'))) {
*p = '\0';
}
}
if (strstr(plugin_name, ".so")) {
pvt->plugin_name = switch_core_session_strdup(session, plugin_name);
} else {
pvt->plugin_name = switch_core_session_sprintf(session, "%s.so", plugin_name);
}
dparams = switch_core_session_strdup(session, params);
argc = switch_split(dparams, ' ', argv);
for (i = 0; i < argc; i++) {
if (switch_is_number(argv[i])) {
if (pvt->num_idx < MAX_INDEX) {
pvt->config[pvt->num_idx] = atof(argv[i]);
pvt->has_config[pvt->num_idx] = 1;
pvt->num_idx++;
}
} else {
if (pvt->str_idx < MAX_INDEX) {
pvt->str_config[pvt->str_idx++] = switch_core_session_strdup(session, argv[i]);
}
}
}
if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
pstr = switch_core_session_sprintf(session, "%s|%s|%s|%s", flags, plugin_name, label, params);
if ((status = switch_core_media_bug_add(session, "ladspa", pstr,
ladspa_callback, pvt, 0, bflags | SMBF_NO_PAUSE, &bug)) != SWITCH_STATUS_SUCCESS) {
return status;
}
switch_channel_set_private(channel, "ladspa", bug);
return SWITCH_STATUS_SUCCESS;
}
static switch_bool_t ladspa_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
switch_ladspa_t *pvt = (switch_ladspa_t *) user_data;
//switch_frame_t *frame = NULL;
switch_channel_t *channel = switch_core_session_get_channel(pvt->session);
switch (type) {
case SWITCH_ABC_TYPE_INIT:
{
switch_codec_implementation_t read_impl = { 0 };
LADSPA_PortDescriptor port_desc;
int i = 0, j = 0, k = 0, str_idx = 0;
switch_core_session_get_read_impl(pvt->session, &read_impl);
if (!(pvt->library_handle = loadLADSPAPluginLibrary(pvt->plugin_name))) {
return SWITCH_FALSE;
}
if (!(pvt->ldesc = findLADSPAPluginDescriptor(pvt->library_handle, pvt->plugin_name, pvt->label_name))) {
return SWITCH_FALSE;
}
pvt->handle = pvt->ldesc->instantiate(pvt->ldesc, read_impl.actual_samples_per_second);
dump_info(pvt->ldesc);
for (i = 0; i < pvt->ldesc->PortCount; i++) {
port_desc = pvt->ldesc->PortDescriptors[i];
if (LADSPA_IS_PORT_CONTROL(port_desc) && LADSPA_IS_PORT_INPUT(port_desc)) {
LADSPA_Data dft = 0.0f;
int found = find_default(pvt->ldesc, i, &dft);
if (found && !pvt->has_config[j]) {
pvt->config[j] = dft;
pvt->has_config[j] = 1;
}
if (pvt->has_config[j]) {
if (!check_range(pvt->ldesc, i, pvt->config[j])) {
pvt->config[j] = dft;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_WARNING, "FALLING TO DEFAULT PARAM %d [%s] (%f)\n",
j+1,
pvt->ldesc->PortNames[i],
pvt->config[j]);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "ADDING PARAM %d [%s] (%f)\n",
j+1,
pvt->ldesc->PortNames[i],
pvt->config[j]);
pvt->ldesc->connect_port(pvt->handle, i, &pvt->config[j++]);
usleep(10000);
}
}
if (LADSPA_IS_PORT_INPUT(port_desc) && LADSPA_IS_PORT_AUDIO(port_desc)) {
int mapped = 0;
if (pvt->str_idx && !zstr(pvt->str_config[str_idx])) {
if (!strcasecmp(pvt->str_config[str_idx], "none")) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "CONNECT NOTHING to port: %s\n",
pvt->ldesc->PortNames[i]
);
mapped = 1;
} else if (!strncasecmp(pvt->str_config[str_idx], "file:", 5)) {
char *file = pvt->str_config[str_idx] + 5;
if (switch_test_flag((&pvt->fh), SWITCH_FILE_OPEN)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session),
SWITCH_LOG_ERROR, "CAN'T CONNECT FILE [%s] File already mapped\n", file);
} else {
if (switch_core_file_open(&pvt->fh,
file,
read_impl.number_of_channels,
read_impl.actual_samples_per_second,
SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_ERROR, "Cannot open file: %s\n", file);
return SWITCH_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "CONNECT FILE [%s] to port: %s\n",
file,
pvt->ldesc->PortNames[i]
);
pvt->ldesc->connect_port(pvt->handle, i, pvt->file_buf);
mapped = 1;
}
}
str_idx++;
}
if (!mapped) {
pvt->ldesc->connect_port(pvt->handle, i, pvt->in_buf);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "CONNECT CHANNEL AUDIO to port: %s\n",
pvt->ldesc->PortNames[i]
);
}
}
if (LADSPA_IS_PORT_OUTPUT(port_desc)) {
if (LADSPA_IS_PORT_AUDIO(port_desc)) {
pvt->ldesc->connect_port(pvt->handle, i, pvt->out_buf);
} else if (k < MAX_INDEX) {
pvt->ldesc->connect_port(pvt->handle, i, &pvt->out_ports[k++]);
}
}
}
}
break;
case SWITCH_ABC_TYPE_CLOSE:
{
if (switch_test_flag((&pvt->fh), SWITCH_FILE_OPEN)) {
switch_core_file_close(&pvt->fh);
}
if (pvt->handle && pvt->ldesc) {
pvt->ldesc->cleanup(pvt->handle);
}
if (pvt->library_handle) {
unloadLADSPAPluginLibrary(pvt->library_handle);
}
}
break;
case SWITCH_ABC_TYPE_WRITE_REPLACE:
case SWITCH_ABC_TYPE_READ_REPLACE:
{
switch_frame_t *rframe;
int16_t *slin, abuf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
switch_size_t olen = 0;
if (type == SWITCH_ABC_TYPE_READ_REPLACE) {
rframe = switch_core_media_bug_get_read_replace_frame(bug);
} else {
rframe = switch_core_media_bug_get_write_replace_frame(bug);
}
slin = rframe->data;
if (switch_channel_media_ready(channel)) {
switch_short_to_float(slin, pvt->in_buf, rframe->samples);
if (switch_test_flag((&pvt->fh), SWITCH_FILE_OPEN)) {
olen = rframe->samples;
if (switch_core_file_read(&pvt->fh, abuf, &olen) != SWITCH_STATUS_SUCCESS) {
switch_codec_implementation_t read_impl = { 0 };
char *file = switch_core_session_strdup(pvt->session, pvt->fh.file_path);
switch_core_session_get_read_impl(pvt->session, &read_impl);
switch_core_file_close(&pvt->fh);
if (switch_core_file_open(&pvt->fh,
file,
read_impl.number_of_channels,
read_impl.actual_samples_per_second,
SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_ERROR, "Cannot open file: %s\n", file);
return SWITCH_FALSE;
}
olen = rframe->samples;
if (switch_core_file_read(&pvt->fh, abuf, &olen) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_ERROR, "Cannot READ file: %s\n", file);
return SWITCH_FALSE;
}
}
switch_short_to_float(abuf, pvt->file_buf, olen);
}
pvt->ldesc->run(pvt->handle, rframe->samples);
switch_float_to_short(pvt->out_buf, slin, rframe->samples);
}
if (type == SWITCH_ABC_TYPE_READ_REPLACE) {
switch_core_media_bug_set_read_replace_frame(bug, rframe);
} else {
switch_core_media_bug_set_write_replace_frame(bug, rframe);
}
if (pvt->skip && !--pvt->skip) {
return SWITCH_FALSE;
}
}
break;
case SWITCH_ABC_TYPE_WRITE:
default:
break;
}
return SWITCH_TRUE;
}
switch_status_t spandsp_inband_dtmf_session(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
switch_media_bug_t *bug;
switch_status_t status;
switch_inband_dtmf_t *pvt;
switch_codec_implementation_t read_impl = { 0 };
const char *value;
switch_core_session_get_read_impl(session, &read_impl);
if (!(pvt = switch_core_session_alloc(session, sizeof(*pvt)))) {
return SWITCH_STATUS_MEMERR;
}
pvt->session = session;
/* get detector params */
pvt->min_dup_digit_spacing = 0;
value = switch_channel_get_variable(channel, "min_dup_digit_spacing_ms");
if (!zstr(value) && switch_is_number(value)) {
int val = atoi(value) * 8; /* convert from ms to samples */
if (val < 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "min_dup_digit_spacing_ms must be >= 0\n");
} else {
pvt->min_dup_digit_spacing = val;
}
}
pvt->threshold = -100;
value = switch_channel_get_variable(channel, "spandsp_dtmf_rx_threshold");
if (!zstr(value) && switch_is_number(value)) {
int val = atoi(value);
if (val < -99) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "spandsp_dtmf_rx_threshold must be >= -99 dBm0\n");
} else {
pvt->threshold = val;
}
}
pvt->twist = -1;
value = switch_channel_get_variable(channel, "spandsp_dtmf_rx_twist");
if (!zstr(value) && switch_is_number(value)) {
int val = atoi(value);
if (val < 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "spandsp_dtmf_rx_twist must be >= 0 dB\n");
} else {
pvt->twist = val;
}
}
pvt->reverse_twist = -1;
value = switch_channel_get_variable(channel, "spandsp_dtmf_rx_reverse_twist");
if (!zstr(value) && switch_is_number(value)) {
int val = atoi(value);
if (val < 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "spandsp_dtmf_rx_reverse_twist must be >= 0 dB\n");
} else {
pvt->reverse_twist = val;
}
}
pvt->filter_dialtone = -1;
value = switch_channel_get_variable(channel, "spandsp_dtmf_rx_filter_dialtone");
if (switch_true(value)) {
pvt->filter_dialtone = 1;
} else if (switch_false(value)) {
pvt->filter_dialtone = 0;
}
if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
if ((status = switch_core_media_bug_add(session, "spandsp_dtmf_detect", NULL,
inband_dtmf_callback, pvt, 0, SMBF_READ_REPLACE | SMBF_NO_PAUSE, &bug)) != SWITCH_STATUS_SUCCESS) {
return status;
}
switch_channel_set_private(channel, "dtmf", bug);
return SWITCH_STATUS_SUCCESS;
}
static JSBool teletone_construct(JSContext * cx, JSObject * obj, uintN argc, jsval * argv, jsval * rval)
{
JSObject *session_obj;
struct teletone_obj *tto = NULL;
struct js_session *jss = NULL;
switch_memory_pool_t *pool;
char *timer_name = NULL;
switch_codec_implementation_t read_impl = { 0 };
if (argc > 0) {
if (JS_ValueToObject(cx, argv[0], &session_obj)) {
if (!(jss = JS_GetPrivate(cx, session_obj))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Find Session [1]\n");
return JS_FALSE;
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot Find Session [2]\n");
return JS_FALSE;
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing Session Arg\n");
return JS_FALSE;
}
if (argc > 1) {
timer_name = JS_GetStringBytes(JS_ValueToString(cx, argv[1]));
}
switch_core_new_memory_pool(&pool);
if (!(tto = switch_core_alloc(pool, sizeof(*tto)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Memory Error\n");
return JS_FALSE;
}
switch_core_session_get_read_impl(jss->session, &read_impl);
if (switch_core_codec_init(&tto->codec,
"L16",
NULL,
read_impl.actual_samples_per_second,
read_impl.microseconds_per_packet / 1000,
read_impl.number_of_channels, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL, pool) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activated\n");
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Raw Codec Activation Failed\n");
return JS_FALSE;
}
if (timer_name) {
unsigned int ms = read_impl.microseconds_per_packet / 1000;
if (switch_core_timer_init(&tto->timer_base,
timer_name, ms, (read_impl.samples_per_second / 50) * read_impl.number_of_channels, pool) == SWITCH_STATUS_SUCCESS) {
tto->timer = &tto->timer_base;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Timer INIT Success %u\n", ms);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Timer INIT Failed\n");
}
}
switch_buffer_create_dynamic(&tto->audio_buffer, JS_BLOCK_SIZE, JS_BUFFER_SIZE, 0);
tto->pool = pool;
tto->obj = obj;
tto->cx = cx;
tto->session = jss->session;
teletone_init_session(&tto->ts, 0, teletone_handler, tto);
JS_SetPrivate(cx, obj, tto);
return JS_TRUE;
}
static switch_bool_t oreka_audio_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
oreka_session_t *oreka = user_data;
switch_core_session_t *session = oreka->session;
switch_frame_t pcmu_frame = { 0 };
switch_frame_t *linear_frame, raw_frame = { 0 };
uint8_t pcmu_data[SWITCH_RECOMMENDED_BUFFER_SIZE];
uint8_t raw_data[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
uint8_t resample_data[SWITCH_RECOMMENDED_BUFFER_SIZE];
uint32_t linear_len = 0;
uint32_t i = 0;
int16_t *linear_samples = NULL;
if (type == SWITCH_ABC_TYPE_READ_REPLACE || type == SWITCH_ABC_TYPE_WRITE_REPLACE || type == SWITCH_ABC_TYPE_READ_PING) {
int16_t *data;
if (type == SWITCH_ABC_TYPE_READ_REPLACE || type == SWITCH_ABC_TYPE_READ_PING) {
if (type == SWITCH_ABC_TYPE_READ_REPLACE) {
linear_frame = switch_core_media_bug_get_read_replace_frame(bug);
} else {
switch_status_t status;
raw_frame.data = raw_data;
raw_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
linear_frame = &raw_frame;
status = switch_core_media_bug_read(bug, &raw_frame, SWITCH_FALSE);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
return SWITCH_TRUE;
}
}
if (oreka->read_resampler) {
data = (int16_t *) linear_frame->data;
switch_resample_process(oreka->read_resampler, data, (int) linear_frame->datalen / 2);
linear_len = oreka->read_resampler->to_len * 2;
memcpy(resample_data, oreka->read_resampler->to, linear_len);
linear_samples = (int16_t *)resample_data;
} else {
linear_samples = linear_frame->data;
linear_len = linear_frame->datalen;
}
}
if (type == SWITCH_ABC_TYPE_WRITE_REPLACE) {
linear_frame = switch_core_media_bug_get_write_replace_frame(bug);
if (oreka->write_resampler) {
data = (int16_t *) linear_frame->data;
switch_resample_process(oreka->write_resampler, data, (int) linear_frame->datalen / 2);
linear_len = oreka->write_resampler->to_len * 2;
memcpy(resample_data, oreka->write_resampler->to, linear_len);
linear_samples = (int16_t *)resample_data;
} else {
linear_samples = linear_frame->data;
linear_len = linear_frame->datalen;
}
}
/* convert the L16 frame into PCMU */
memset(&pcmu_frame, 0, sizeof(pcmu_frame));
for (i = 0; i < linear_len / sizeof(int16_t); i++) {
pcmu_data[i] = linear_to_ulaw(linear_samples[i]);
}
pcmu_frame.source = __FUNCTION__;
pcmu_frame.data = pcmu_data;
pcmu_frame.datalen = i;
pcmu_frame.payload = 0;
}
switch (type) {
case SWITCH_ABC_TYPE_INIT:
{
switch_codec_implementation_t read_impl;
switch_core_session_get_read_impl(session, &read_impl);
if (read_impl.actual_samples_per_second != 8000) {
switch_resample_create(&oreka->read_resampler,
read_impl.actual_samples_per_second,
8000,
320, SWITCH_RESAMPLE_QUALITY, 1);
switch_resample_create(&oreka->write_resampler,
read_impl.actual_samples_per_second,
8000,
320, SWITCH_RESAMPLE_QUALITY, 1);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Starting Oreka recording for audio stream\n");
oreka_send_sip_message(oreka, FS_OREKA_START, FS_OREKA_READ);
if (!oreka->mux_streams) {
oreka_send_sip_message(oreka, FS_OREKA_START, FS_OREKA_WRITE);
}
}
break;
case SWITCH_ABC_TYPE_CLOSE:
{
if (oreka->mux_streams) {
int16_t *data;
raw_frame.data = raw_data;
raw_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
linear_frame = &raw_frame;
while (switch_core_media_bug_read(bug, &raw_frame, SWITCH_TRUE) == SWITCH_STATUS_SUCCESS) {
linear_frame = &raw_frame;
if (oreka->read_resampler) {
data = (int16_t *) linear_frame->data;
switch_resample_process(oreka->read_resampler, data, (int) linear_frame->datalen / 2);
linear_len = oreka->read_resampler->to_len * 2;
memcpy(resample_data, oreka->read_resampler->to, linear_len);
linear_samples = (int16_t *)resample_data;
} else {
linear_samples = linear_frame->data;
linear_len = linear_frame->datalen;
}
memset(&pcmu_frame, 0, sizeof(pcmu_frame));
for (i = 0; i < linear_len / sizeof(int16_t); i++) {
pcmu_data[i] = linear_to_ulaw(linear_samples[i]);
}
pcmu_frame.source = __FUNCTION__;
pcmu_frame.data = pcmu_data;
pcmu_frame.datalen = i;
pcmu_frame.payload = 0;
switch_rtp_write_frame(oreka->read_rtp_stream, &pcmu_frame);
}
}
if (oreka->read_resampler) {
switch_resample_destroy(&oreka->read_resampler);
}
if (oreka->write_resampler) {
switch_resample_destroy(&oreka->write_resampler);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Stopping Oreka recording for audio stream\n");
oreka_send_sip_message(oreka, FS_OREKA_STOP, FS_OREKA_READ);
if (!oreka->mux_streams) {
oreka_send_sip_message(oreka, FS_OREKA_STOP, FS_OREKA_WRITE);
}
}
break;
case SWITCH_ABC_TYPE_READ_REPLACE:
case SWITCH_ABC_TYPE_READ_PING:
{
if (pcmu_frame.datalen) {
if (switch_rtp_write_frame(oreka->read_rtp_stream, &pcmu_frame) > 0) {
oreka->read_cnt++;
if (oreka->read_cnt < 10) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Oreka wrote %u bytes! (read)\n", pcmu_frame.datalen);
}
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to write %u bytes! (read)\n", pcmu_frame.datalen);
}
}
}
break;
case SWITCH_ABC_TYPE_WRITE_REPLACE:
{
if (pcmu_frame.datalen) {
if (switch_rtp_write_frame(oreka->write_rtp_stream, &pcmu_frame) > 0) {
oreka->write_cnt++;
if (oreka->write_cnt < 10) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Oreka wrote %u bytes! (write)\n", pcmu_frame.datalen);
}
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to write %u bytes! (write)\n", pcmu_frame.datalen);
}
}
}
break;
default:
break;
}
return SWITCH_TRUE;
}
void do_telecast(switch_stream_handle_t *stream)
{
char *path_info = switch_event_get_header(stream->param_event, "http-path-info");
char *uuid = strdup(path_info + 4);
switch_core_session_t *tsession;
char *fname = "stream.mp3";
if ((fname = strchr(uuid, '/'))) {
*fname++ = '\0';
}
if (!(tsession = switch_core_session_locate(uuid))) {
char *ref = switch_event_get_header(stream->param_event, "http-referer");
stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>Not Found!</h2>\n" "<META http-equiv=\"refresh\" content=\"1;URL=%s\">", ref);
} else {
switch_media_bug_t *bug = NULL;
switch_buffer_t *buffer = NULL;
switch_mutex_t *mutex;
switch_channel_t *channel = switch_core_session_get_channel(tsession);
lame_global_flags *gfp = NULL;
switch_codec_implementation_t read_impl = { 0 };
switch_core_session_get_read_impl(tsession, &read_impl);
if (switch_channel_test_flag(channel, CF_PROXY_MODE)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stepping into media path so this will work!\n");
switch_ivr_media(uuid, SMF_REBRIDGE);
}
if (!(gfp = lame_init())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
goto end;
}
lame_set_num_channels(gfp, read_impl.number_of_channels);
lame_set_in_samplerate(gfp, read_impl.actual_samples_per_second);
lame_set_brate(gfp, 16 * (read_impl.actual_samples_per_second / 8000) * read_impl.number_of_channels);
lame_set_mode(gfp, 3);
lame_set_quality(gfp, 2);
lame_set_errorf(gfp, log_error);
lame_set_debugf(gfp, log_debug);
lame_set_msgf(gfp, log_msg);
lame_set_bWriteVbrTag(gfp, 0);
lame_mp3_tags_fid(gfp, NULL);
lame_init_params(gfp);
lame_print_config(gfp);
switch_mutex_init(&mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(tsession));
switch_buffer_create_dynamic(&buffer, 1024, 2048, 0);
switch_buffer_add_mutex(buffer, mutex);
if (switch_core_media_bug_add(tsession, "telecast", NULL,
telecast_callback, buffer, 0,
SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_PING, &bug) != SWITCH_STATUS_SUCCESS) {
goto end;
}
stream->write_function(stream, "Content-type: audio/mpeg\r\n" "Content-Disposition: inline; filename=\"%s\"\r\n\r\n", fname);
while (switch_channel_ready(channel)) {
unsigned char mp3buf[TC_BUFFER_SIZE] = "";
int rlen;
uint8_t buf[1024];
switch_size_t bytes = 0;
if (switch_buffer_inuse(buffer) >= 1024) {
switch_buffer_lock(buffer);
bytes = switch_buffer_read(buffer, buf, sizeof(buf));
switch_buffer_unlock(buffer);
} else {
if (!bytes) {
switch_cond_next();
continue;
}
memset(buf, 0, bytes);
}
if ((rlen = lame_encode_buffer(gfp, (void *) buf, NULL, bytes / 2, mp3buf, sizeof(mp3buf))) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
goto end;
}
if (rlen) {
if (stream->raw_write_function(stream, mp3buf, rlen)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n");
goto end;
}
}
}
end:
switch_safe_free(uuid);
if (gfp) {
lame_close(gfp);
gfp = NULL;
}
if (bug) {
switch_core_media_bug_remove(tsession, &bug);
}
if (buffer) {
switch_buffer_destroy(&buffer);
}
switch_core_session_rwunlock(tsession);
}
}
/* NB. this starts the input thread after some initial setup for the call leg */
void conference_loop_output(conference_member_t *member)
{
switch_channel_t *channel;
switch_frame_t write_frame = { 0 };
uint8_t *data = NULL;
switch_timer_t timer = { 0 };
uint32_t interval;
uint32_t samples;
//uint32_t csamples;
uint32_t tsamples;
uint32_t flush_len;
uint32_t low_count, bytes;
call_list_t *call_list, *cp;
switch_codec_implementation_t read_impl = { 0 };
int sanity;
switch_status_t st;
switch_core_session_get_read_impl(member->session, &read_impl);
channel = switch_core_session_get_channel(member->session);
interval = read_impl.microseconds_per_packet / 1000;
samples = switch_samples_per_packet(member->conference->rate, interval);
//csamples = samples;
tsamples = member->orig_read_impl.samples_per_packet;
low_count = 0;
bytes = samples * 2 * member->conference->channels;
call_list = NULL;
cp = NULL;
member->loop_loop = 0;
switch_assert(member->conference != NULL);
flush_len = switch_samples_per_packet(member->conference->rate, member->conference->interval) * 2 * member->conference->channels * (500 / member->conference->interval);
if (switch_core_timer_init(&timer, member->conference->timer_name, interval, tsamples, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(member->session), SWITCH_LOG_ERROR, "Timer Setup Failed. Conference Cannot Start\n");
return;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(member->session), SWITCH_LOG_DEBUG, "Setup timer %s success interval: %u samples: %u\n",
member->conference->timer_name, interval, tsamples);
write_frame.data = data = switch_core_session_alloc(member->session, SWITCH_RECOMMENDED_BUFFER_SIZE);
write_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
write_frame.codec = &member->write_codec;
/* Start the input thread */
conference_loop_launch_input(member, switch_core_session_get_pool(member->session));
if ((call_list = switch_channel_get_private(channel, "_conference_autocall_list_"))) {
const char *cid_name = switch_channel_get_variable(channel, "conference_auto_outcall_caller_id_name");
const char *cid_num = switch_channel_get_variable(channel, "conference_auto_outcall_caller_id_number");
const char *toval = switch_channel_get_variable(channel, "conference_auto_outcall_timeout");
const char *flags = switch_channel_get_variable(channel, "conference_utils_auto_outcall_flags");
const char *profile = switch_channel_get_variable(channel, "conference_auto_outcall_profile");
const char *ann = switch_channel_get_variable(channel, "conference_auto_outcall_announce");
const char *prefix = switch_channel_get_variable(channel, "conference_auto_outcall_prefix");
const char *maxwait = switch_channel_get_variable(channel, "conference_auto_outcall_maxwait");
const char *delimiter_val = switch_channel_get_variable(channel, "conference_auto_outcall_delimiter");
int to = 60;
int wait_sec = 2;
int loops = 0;
if (ann && !switch_channel_test_app_flag_key("conference_silent", channel, CONF_SILENT_REQ)) {
member->conference->special_announce = switch_core_strdup(member->conference->pool, ann);
}
switch_channel_set_private(channel, "_conference_autocall_list_", NULL);
conference_utils_set_flag(member->conference, CFLAG_OUTCALL);
if (toval) {
to = atoi(toval);
if (to < 10 || to > 500) {
to = 60;
}
}
for (cp = call_list; cp; cp = cp->next) {
int argc;
char *argv[512] = { 0 };
char *cpstr = strdup(cp->string);
int x = 0;
switch_assert(cpstr);
if (!zstr(delimiter_val) && strlen(delimiter_val) == 1) {
char delimiter = *delimiter_val;
argc = switch_separate_string(cpstr, delimiter, argv, (sizeof(argv) / sizeof(argv[0])));
} else {
argc = switch_separate_string(cpstr, ',', argv, (sizeof(argv) / sizeof(argv[0])));
}
for (x = 0; x < argc; x++) {
char *dial_str = switch_mprintf("%s%s", switch_str_nil(prefix), argv[x]);
switch_assert(dial_str);
conference_outcall_bg(member->conference, NULL, NULL, dial_str, to, switch_str_nil(flags), cid_name, cid_num, NULL,
profile, &member->conference->cancel_cause, NULL);
switch_safe_free(dial_str);
}
switch_safe_free(cpstr);
}
if (maxwait) {
int tmp = atoi(maxwait);
if (tmp > 0) {
wait_sec = tmp;
}
}
loops = wait_sec * 10;
switch_channel_set_app_flag(channel, CF_APP_TAGGED);
do {
switch_ivr_sleep(member->session, 100, SWITCH_TRUE, NULL);
} while(switch_channel_up(channel) && (member->conference->originating && --loops));
switch_channel_clear_app_flag(channel, CF_APP_TAGGED);
if (!switch_channel_ready(channel)) {
member->conference->cancel_cause = SWITCH_CAUSE_ORIGINATOR_CANCEL;
goto end;
}
conference_member_play_file(member, "tone_stream://%(500,0,640)", 0, SWITCH_TRUE);
}
if (!conference_utils_test_flag(member->conference, CFLAG_ANSWERED)) {
switch_channel_answer(channel);
}
sanity = 2000;
while(!conference_utils_member_test_flag(member, MFLAG_ITHREAD) && sanity > 0) {
switch_cond_next();
sanity--;
}
/* Fair WARNING, If you expect the caller to hear anything or for digit handling to be processed, */
/* you better not block this thread loop for more than the duration of member->conference->timer_name! */
while (!member->loop_loop && conference_utils_member_test_flag(member, MFLAG_RUNNING) && conference_utils_member_test_flag(member, MFLAG_ITHREAD)
&& switch_channel_ready(channel)) {
switch_event_t *event;
int use_timer = 0;
switch_buffer_t *use_buffer = NULL;
uint32_t mux_used = 0;
//if (member->reset_media || switch_channel_test_flag(member->channel, CF_CONFERENCE_RESET_MEDIA)) {
// switch_cond_next();
// continue;
//}
switch_mutex_lock(member->write_mutex);
if (switch_channel_test_flag(member->channel, CF_CONFERENCE_ADV)) {
if (member->conference->la) {
conference_event_adv_la(member->conference, member, SWITCH_TRUE);
}
switch_channel_clear_flag(member->channel, CF_CONFERENCE_ADV);
}
if (switch_core_session_dequeue_event(member->session, &event, SWITCH_FALSE) == SWITCH_STATUS_SUCCESS) {
if (event->event_id == SWITCH_EVENT_MESSAGE) {
char *from = switch_event_get_header(event, "from");
char *to = switch_event_get_header(event, "to");
char *body = switch_event_get_body(event);
if (to && from && body) {
if (strchr(to, '+') && strncmp(to, CONF_CHAT_PROTO, strlen(CONF_CHAT_PROTO))) {
switch_event_del_header(event, "to");
switch_event_add_header(event, SWITCH_STACK_BOTTOM,
"to", "%s+%s@%s", CONF_CHAT_PROTO, member->conference->name, member->conference->domain);
} else {
switch_event_del_header(event, "to");
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "to", "%s", member->conference->name);
}
chat_send(event);
}
}
switch_event_destroy(&event);
}
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
/* test to see if outbound channel has answered */
if (switch_channel_test_flag(channel, CF_ANSWERED) && !conference_utils_test_flag(member->conference, CFLAG_ANSWERED)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(member->session), SWITCH_LOG_DEBUG,
"Outbound conference channel answered, setting CFLAG_ANSWERED\n");
conference_utils_set_flag(member->conference, CFLAG_ANSWERED);
}
} else {
if (conference_utils_test_flag(member->conference, CFLAG_ANSWERED) && !switch_channel_test_flag(channel, CF_ANSWERED)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(member->session), SWITCH_LOG_DEBUG, "CLFAG_ANSWERED set, answering inbound channel\n");
switch_channel_answer(channel);
}
}
use_buffer = NULL;
mux_used = (uint32_t) switch_buffer_inuse(member->mux_buffer);
use_timer = 1;
if (mux_used) {
if (mux_used < bytes) {
if (++low_count >= 5) {
/* partial frame sitting around this long is useless and builds delay */
conference_utils_member_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
} else if (mux_used > flush_len) {
/* getting behind, clear the buffer */
conference_utils_member_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
}
if (switch_channel_test_app_flag(channel, CF_APP_TAGGED)) {
conference_utils_member_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
} else if (mux_used >= bytes) {
/* Flush the output buffer and write all the data (presumably muxed) back to the channel */
switch_mutex_lock(member->audio_out_mutex);
write_frame.data = data;
use_buffer = member->mux_buffer;
low_count = 0;
if ((write_frame.datalen = (uint32_t) switch_buffer_read(use_buffer, write_frame.data, bytes))) {
if (write_frame.datalen) {
write_frame.samples = write_frame.datalen / 2 / member->conference->channels;
if( !conference_utils_member_test_flag(member, MFLAG_CAN_HEAR)) {
memset(write_frame.data, 255, write_frame.datalen);
} else if (member->volume_out_level) { /* Check for output volume adjustments */
switch_change_sln_volume(write_frame.data, write_frame.samples * member->conference->channels, member->volume_out_level);
}
write_frame.timestamp = timer.samplecount;
if (member->fnode) {
conference_member_add_file_data(member, write_frame.data, write_frame.datalen);
}
conference_member_check_channels(&write_frame, member, SWITCH_FALSE);
if (switch_core_session_write_frame(member->session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
switch_mutex_unlock(member->audio_out_mutex);
break;
}
}
}
switch_mutex_unlock(member->audio_out_mutex);
}
if (conference_utils_member_test_flag(member, MFLAG_FLUSH_BUFFER)) {
if (switch_buffer_inuse(member->mux_buffer)) {
switch_mutex_lock(member->audio_out_mutex);
switch_buffer_zero(member->mux_buffer);
switch_mutex_unlock(member->audio_out_mutex);
}
conference_utils_member_clear_flag_locked(member, MFLAG_FLUSH_BUFFER);
}
switch_mutex_unlock(member->write_mutex);
if (conference_utils_member_test_flag(member, MFLAG_INDICATE_MUTE)) {
if (!zstr(member->conference->muted_sound)) {
conference_member_play_file(member, member->conference->muted_sound, 0, SWITCH_TRUE);
} else {
char msg[512];
switch_snprintf(msg, sizeof(msg), "Muted");
conference_member_say(member, msg, 0);
}
conference_utils_member_clear_flag(member, MFLAG_INDICATE_MUTE);
}
if (conference_utils_member_test_flag(member, MFLAG_INDICATE_MUTE_DETECT)) {
if (!zstr(member->conference->mute_detect_sound)) {
conference_member_play_file(member, member->conference->mute_detect_sound, 0, SWITCH_TRUE);
} else {
char msg[512];
switch_snprintf(msg, sizeof(msg), "Currently Muted");
conference_member_say(member, msg, 0);
}
conference_utils_member_clear_flag(member, MFLAG_INDICATE_MUTE_DETECT);
}
if (conference_utils_member_test_flag(member, MFLAG_INDICATE_UNMUTE)) {
if (!zstr(member->conference->unmuted_sound)) {
conference_member_play_file(member, member->conference->unmuted_sound, 0, SWITCH_TRUE);
} else {
char msg[512];
switch_snprintf(msg, sizeof(msg), "Un-Muted");
conference_member_say(member, msg, 0);
}
conference_utils_member_clear_flag(member, MFLAG_INDICATE_UNMUTE);
}
if (switch_core_session_private_event_count(member->session)) {
switch_channel_set_app_flag(channel, CF_APP_TAGGED);
switch_ivr_parse_all_events(member->session);
switch_channel_clear_app_flag(channel, CF_APP_TAGGED);
conference_utils_member_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
switch_core_session_set_read_codec(member->session, &member->read_codec);
} else {
switch_ivr_parse_all_messages(member->session);
}
if (use_timer) {
switch_core_timer_next(&timer);
} else {
switch_cond_next();
}
} /* Rinse ... Repeat */
end:
if (!member->loop_loop) {
conference_utils_member_clear_flag_locked(member, MFLAG_RUNNING);
/* Wait for the input thread to end */
if (member->input_thread) {
switch_thread_join(&st, member->input_thread);
member->input_thread = NULL;
}
}
switch_core_timer_destroy(&timer);
if (member->loop_loop) {
return;
}
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_INFO, "Channel leaving conference, cause: %s\n",
switch_channel_cause2str(switch_channel_get_cause(channel)));
/* if it's an outbound channel, store the release cause in the conference struct, we might need it */
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
member->conference->bridge_hangup_cause = switch_channel_get_cause(channel);
}
}
