+++ /dev/null
-/*
- * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II <anthm@freeswitch.org>
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Anthony Minessale II <anthm@freeswitch.org>
- *
- * mod_ladspa.c -- LADSPA
- *
- */
-#include <switch.h>
-#include "ladspa.h"
-#include "utils.h"
-
-/* Prototypes */
-SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_ladspa_shutdown);
-SWITCH_MODULE_RUNTIME_FUNCTION(mod_ladspa_runtime);
-SWITCH_MODULE_LOAD_FUNCTION(mod_ladspa_load);
-
-/* SWITCH_MODULE_DEFINITION(name, load, shutdown, runtime)
- * Defines a switch_loadable_module_function_table_t and a static const char[] modname
- */
-SWITCH_MODULE_DEFINITION(mod_ladspa, mod_ladspa_load, mod_ladspa_shutdown, NULL);
-
-#define MAX_INDEX 256
-
-typedef struct {
- switch_core_session_t *session;
- char *plugin_name;
- char *label_name;
- void *library_handle;
- const LADSPA_Descriptor *ldesc;
- LADSPA_Handle handle;
- LADSPA_Data config[MAX_INDEX];
- int num_idx;
- char *str_config[MAX_INDEX];
- int str_idx;
- uint8_t has_config[MAX_INDEX];
- int skip;
- LADSPA_Data in_buf[SWITCH_RECOMMENDED_BUFFER_SIZE];
- LADSPA_Data file_buf[SWITCH_RECOMMENDED_BUFFER_SIZE];
- LADSPA_Data out_buf[SWITCH_RECOMMENDED_BUFFER_SIZE];
- LADSPA_Data out_ports[MAX_INDEX];
- switch_file_handle_t fh;
-} switch_ladspa_t;
-
-
-
-int check_range(const LADSPA_Descriptor *ldesc, int i, LADSPA_Data val)
-{
- if (ldesc->PortRangeHints[i].LowerBound && ldesc->PortRangeHints[i].UpperBound &&
- (val < ldesc->PortRangeHints[i].LowerBound || val > ldesc->PortRangeHints[i].UpperBound)) {
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_ERROR, "Param %f out of bounds %f-%f\n",
- val, ldesc->PortRangeHints[i].LowerBound, ldesc->PortRangeHints[i].UpperBound);
- return 0;
- }
-
- return 1;
-}
-
-int find_default(const LADSPA_Descriptor *ldesc, int i, LADSPA_Data *ptr)
-
-{
- LADSPA_Data dftval = 0;
- int fail = 0;
-
- LADSPA_PortRangeHintDescriptor port_hint = ldesc->PortRangeHints[i].HintDescriptor;
-
- switch (port_hint & LADSPA_HINT_DEFAULT_MASK) {
- case LADSPA_HINT_DEFAULT_NONE:
- break;
- case LADSPA_HINT_DEFAULT_MINIMUM:
- dftval = ldesc->PortRangeHints[i].LowerBound;
- break;
- case LADSPA_HINT_DEFAULT_LOW:
- if (LADSPA_IS_HINT_LOGARITHMIC(port_hint)) {
- dftval = exp(log(ldesc->PortRangeHints[i].LowerBound)
- * 0.75 + log(ldesc->PortRangeHints[i].UpperBound)
- * 0.25);
- } else {
- dftval = (ldesc->PortRangeHints[i].LowerBound * 0.75 + ldesc->PortRangeHints[i].UpperBound * 0.25);
- }
- break;
- case LADSPA_HINT_DEFAULT_MIDDLE:
- if (LADSPA_IS_HINT_LOGARITHMIC(port_hint)) {
- dftval = sqrt(ldesc->PortRangeHints[i].LowerBound * ldesc->PortRangeHints[i].UpperBound);
- } else {
- dftval = 0.5 * (ldesc->PortRangeHints[i].LowerBound + ldesc->PortRangeHints[i].UpperBound);
- }
- break;
- case LADSPA_HINT_DEFAULT_HIGH:
- if (LADSPA_IS_HINT_LOGARITHMIC(port_hint)) {
- dftval = exp(log(ldesc->PortRangeHints[i].LowerBound)
- * 0.25 + log(ldesc->PortRangeHints[i].UpperBound)
- * 0.75);
- } else {
- dftval = (ldesc->PortRangeHints[i].LowerBound * 0.25 + ldesc->PortRangeHints[i].UpperBound * 0.75);
- }
- break;
- case LADSPA_HINT_DEFAULT_MAXIMUM:
- dftval = ldesc->PortRangeHints[i].UpperBound;
- break;
- case LADSPA_HINT_DEFAULT_0:
- dftval = 0;
- break;
- case LADSPA_HINT_DEFAULT_1:
- dftval = 1;
- break;
- case LADSPA_HINT_DEFAULT_100:
- dftval = 100;
- break;
- case LADSPA_HINT_DEFAULT_440:
- dftval = 440;
- break;
- default:
- fail = 1;
- break;
- }
-
- if (!fail) {
- *ptr = dftval;
- }
-
- return !fail;
-}
-
-static void dump_info(const LADSPA_Descriptor *ldesc)
-{
- int i = 0;
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Plugin Name: \"%s\"\n", ldesc->Name);
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Plugin Label: \"%s\"\n", ldesc->Label);
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Plugin Unique ID: %lu\n", ldesc->UniqueID);
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Maker: \"%s\"\n", ldesc->Maker);
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Copyright: \"%s\"\n", ldesc->Copyright);
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Must Run Real-Time: ");
- if (LADSPA_IS_REALTIME(ldesc->Properties))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Yes\n");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "No\n");
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Has activate() Function: ");
- if (ldesc->activate != NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Yes\n");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "No\n");
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Has deactivate() Function: ");
- if (ldesc->deactivate != NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Yes\n");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "No\n");
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Has run_adding() Function: ");
- if (ldesc->run_adding != NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Yes\n");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "No\n");
-
- if (ldesc->instantiate == NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: PLUGIN HAS NO INSTANTIATE FUNCTION.\n");
- if (ldesc->connect_port == NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: PLUGIN HAS NO CONNECT_PORT FUNCTION.\n");
- if (ldesc->run == NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: PLUGIN HAS NO RUN FUNCTION.\n");
- if (ldesc->run_adding != NULL && ldesc->set_run_adding_gain == NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: PLUGIN HAS RUN_ADDING FUNCTION BUT " "NOT SET_RUN_ADDING_GAIN.\n");
- if (ldesc->run_adding == NULL && ldesc->set_run_adding_gain != NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: PLUGIN HAS SET_RUN_ADDING_GAIN FUNCTION BUT " "NOT RUN_ADDING.\n");
- if (ldesc->cleanup == NULL)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: PLUGIN HAS NO CLEANUP FUNCTION.\n");
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Environment: ");
- if (LADSPA_IS_HARD_RT_CAPABLE(ldesc->Properties))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Normal or Hard Real-Time\n");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Normal\n");
-
- if (LADSPA_IS_INPLACE_BROKEN(ldesc->Properties))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "This plugin cannot use in-place processing. " "It will not work with all hosts.\n");
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Ports:");
-
- if (ldesc->PortCount == 0)
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "\tERROR: PLUGIN HAS NO PORTS.\n");
-
- for (i = 0; i < ldesc->PortCount; i++) {
- LADSPA_Data dft = 0.0f;
- int found = 0;
-
- if (LADSPA_IS_PORT_CONTROL(ldesc->PortDescriptors[i])) {
- found = find_default(ldesc, i, &dft);
- }
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "\n \"%s\" ", ldesc->PortNames[i]);
-
- if (LADSPA_IS_PORT_INPUT(ldesc->PortDescriptors[i])
- && LADSPA_IS_PORT_OUTPUT(ldesc->PortDescriptors[i]))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: INPUT AND OUTPUT");
- else if (LADSPA_IS_PORT_INPUT(ldesc->PortDescriptors[i]))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "input");
- else if (LADSPA_IS_PORT_OUTPUT(ldesc->PortDescriptors[i]))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "output");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "ERROR: NEITHER INPUT NOR OUTPUT");
-
- if (LADSPA_IS_PORT_CONTROL(ldesc->PortDescriptors[i])
- && LADSPA_IS_PORT_AUDIO(ldesc->PortDescriptors[i]))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, ", ERROR: CONTROL AND AUDIO");
- else if (LADSPA_IS_PORT_CONTROL(ldesc->PortDescriptors[i]))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, ", control");
- else if (LADSPA_IS_PORT_AUDIO(ldesc->PortDescriptors[i]))
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, ", audio");
- else
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, ", ERROR: NEITHER CONTROL NOR AUDIO");
-
- if (LADSPA_IS_PORT_CONTROL(ldesc->PortDescriptors[i])) {
- if (found) {
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "\n RANGE: %f-%f DEFAULT: %f\n",
- ldesc->PortRangeHints[i].LowerBound, ldesc->PortRangeHints[i].UpperBound, dft);
- } else {
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "\n RANGE: %f-%f DEFAULT: none.\n",
- ldesc->PortRangeHints[i].LowerBound, ldesc->PortRangeHints[i].UpperBound);
- }
- }
-
-
-
- }
-
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "\n\n");
-}
-
-
-
-
-
-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++]);
- }
- }
- }
-
- if (pvt->ldesc->activate) {
- switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "ACTIVATE\n");
- pvt->ldesc->activate(pvt->handle);
- }
- }
-
- 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) {
- if (pvt->ldesc->deactivate) {
- pvt->ldesc->deactivate(pvt->handle);
- }
-
- 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 stop_ladspa_session(switch_core_session_t *session)
-{
- switch_media_bug_t *bug;
- switch_channel_t *channel = switch_core_session_get_channel(session);
-
- if ((bug = switch_channel_get_private(channel, "ladspa"))) {
- switch_channel_set_private(channel, "ladspa", NULL);
- switch_core_media_bug_remove(session, &bug);
- return SWITCH_STATUS_SUCCESS;
- }
-
- return SWITCH_STATUS_FALSE;
-}
-
-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 void ladspa_parse(switch_core_session_t *session, const char *data)
-{
- char *argv[5] = { 0 };
- char *lbuf;
-
- if (data) {
- lbuf = strdup(data);
- switch_separate_string(lbuf, '|', argv, (sizeof(argv) / sizeof(argv[0])));
- ladspa_session(session, argv[0], argv[1], argv[2], argv[3]);
- free(lbuf);
- }
-}
-
-#define APP_SYNTAX "<flags>|<plugin>|<label>|<params>"
-SWITCH_STANDARD_APP(ladspa_run_function)
-{
- ladspa_parse(session, data);
-}
-
-
-
-#define API_SYNTAX "<uuid> [start|stop] <flags>|<plugin>|<label>|<params>"
-SWITCH_STANDARD_API(ladspa_api)
-{
- char *uuid = NULL;
- char *data = NULL;
- char *p, *action;
- switch_core_session_t *ksession = NULL;
-
- if (!cmd) {
- stream->write_function(stream, "-ERR Operation Failed\n");
- goto done;
- }
-
- data = strdup(cmd);
-
- if ((p = strchr(data, ' '))) {
- uuid = data;
- *p++ = '\0';
-
- if (!(ksession = switch_core_session_locate(uuid))) {
- stream->write_function(stream, "-ERR non-existant UUID\n");
- goto done;
- }
-
- if ((action = strstr(cmd, "stop"))) {
- stop_ladspa_session(ksession);
- switch_core_session_rwunlock(ksession);
- stream->write_function(stream, "+OK\n");
- goto done;
- } else if ((action = strstr(cmd, "start"))) {
- // Advance past 'start' conditional keyword and move on
- p += 5 * sizeof(char);
- *p++ = '\0';
- switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_DEBUG, "Tried to remove 'start' and now the string is \"%s\"\n", p);
- }
-
- ladspa_parse(ksession, p);
- stream->write_function(stream, "+OK\n");
- } else {
- stream->write_function(stream, "-ERR Usage %s\n", API_SYNTAX);
- }
-
-done:
-
- switch_safe_free(data);
-
- return SWITCH_STATUS_SUCCESS;
-}
-
-
-/* Macro expands to: switch_status_t mod_ladspa_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool) */
-SWITCH_MODULE_LOAD_FUNCTION(mod_ladspa_load)
-{
- switch_application_interface_t *app_interface;
- switch_api_interface_t *api_interface;
- char *path = getenv("LADSPA_PATH");
-
- if (zstr(path)) {
- if (switch_directory_exists("/usr/lib64/ladspa/", pool) == SWITCH_STATUS_SUCCESS) {
- setenv("LADSPA_PATH", "/usr/lib64/ladspa/:/usr/local/lib/ladspa", 1);
- } else if (switch_directory_exists("/usr/lib/ladspa/", pool) == SWITCH_STATUS_SUCCESS) {
- setenv("LADSPA_PATH", "/usr/lib/ladspa/:/usr/local/lib/ladspa", 1);
- } else if (switch_directory_exists("/usr/local/lib/ladspa/", pool) == SWITCH_STATUS_SUCCESS) {
- setenv("LADSPA_PATH", "/usr/local/lib/ladspa", 1);
- }
- }
-
- /* connect my internal structure to the blank pointer passed to me */
- *module_interface = switch_loadable_module_create_module_interface(pool, modname);
-
- SWITCH_ADD_APP(app_interface, "ladspa_run", "ladspa_run", NULL, ladspa_run_function, APP_SYNTAX, SAF_NONE);
- SWITCH_ADD_API(api_interface, "uuid_ladspa", "ladspa", ladspa_api, API_SYNTAX);
-
- switch_console_set_complete("add uuid_ladspa ::console::list_uuid");
-
-
- /* indicate that the module should continue to be loaded */
- return SWITCH_STATUS_SUCCESS;
-}
-
-/*
- Called when the system shuts down
- Macro expands to: switch_status_t mod_ladspa_shutdown() */
-SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_ladspa_shutdown)
-{
- /* Cleanup dynamically allocated config settings */
-
- return SWITCH_STATUS_SUCCESS;
-}
-
-/* For Emacs:
- * Local Variables:
- * mode:c
- * indent-tabs-mode:t
- * tab-width:4
- * c-basic-offset:4
- * End:
- * For VIM:
- * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet
- */
projects / thirdparty / freeswitch.git / commitdiff
