f53df7da64
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151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/*
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Copyright (C) 2015 by Bernd Buschinski <b.buschinski@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jack-wrapper.h"
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#include <obs-module.h>
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/**
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* Returns the name of the plugin
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*/
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static const char *jack_input_getname(void *unused)
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{
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UNUSED_PARAMETER(unused);
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return obs_module_text("JACKInput");
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}
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/**
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* Destroy the plugin object and free all memory
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*/
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static void jack_destroy(void *vptr)
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{
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struct jack_data *data = (struct jack_data *)vptr;
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if (!data)
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return;
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deactivate_jack(data);
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if (data->device)
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bfree(data->device);
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pthread_mutex_destroy(&data->jack_mutex);
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bfree(data);
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}
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/**
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* Update the input settings
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*/
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static void jack_update(void *vptr, obs_data_t *settings)
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{
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struct jack_data *data = (struct jack_data *)vptr;
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if (!data)
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return;
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const char *new_device;
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bool settings_changed = false;
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bool new_jack_start_server = obs_data_get_bool(settings, "startjack");
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int new_channel_count = obs_data_get_int(settings, "channels");
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if (new_jack_start_server != data->start_jack_server) {
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data->start_jack_server = new_jack_start_server;
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settings_changed = true;
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}
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if (new_channel_count != data->channels)
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/*
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* keep "old" channel count for now,
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* we need to destroy the correct number of channels
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*/
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settings_changed = true;
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new_device = obs_source_get_name(data->source);
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if (!data->device || strcmp(data->device, new_device) != 0) {
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if (data->device)
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bfree(data->device);
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data->device = bstrdup(new_device);
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settings_changed = true;
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}
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if (settings_changed) {
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deactivate_jack(data);
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data->channels = new_channel_count;
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if (jack_init(data) != 0) {
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deactivate_jack(data);
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}
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}
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}
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/**
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* Create the plugin object
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*/
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static void *jack_create(obs_data_t *settings, obs_source_t *source)
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{
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struct jack_data *data = bzalloc(sizeof(struct jack_data));
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pthread_mutex_init(&data->jack_mutex, NULL);
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data->source = source;
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data->channels = -1;
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jack_update(data, settings);
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if (data->jack_client == NULL) {
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jack_destroy(data);
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return NULL;
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}
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return data;
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}
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/**
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* Get plugin defaults
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*/
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static void jack_input_defaults(obs_data_t *settings)
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{
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obs_data_set_default_int(settings, "channels", 2);
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obs_data_set_default_bool(settings, "startjack", false);
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}
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/**
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* Get plugin properties
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*/
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static obs_properties_t *jack_input_properties(void *unused)
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{
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(void)unused;
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obs_properties_t *props = obs_properties_create();
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obs_properties_add_int(props, "channels", obs_module_text("Channels"),
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1, 8, 1);
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obs_properties_add_bool(props, "startjack",
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obs_module_text("StartJACKServer"));
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return props;
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}
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struct obs_source_info jack_output_capture = {
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.id = "jack_output_capture",
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.type = OBS_SOURCE_TYPE_INPUT,
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.output_flags = OBS_SOURCE_AUDIO,
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.get_name = jack_input_getname,
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.create = jack_create,
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.destroy = jack_destroy,
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.update = jack_update,
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.get_defaults = jack_input_defaults,
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.get_properties = jack_input_properties,
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};
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