mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-07 03:53:38 +00:00
158 lines
3.7 KiB
C
158 lines
3.7 KiB
C
/*
|
|
Copyright (C) 2015 by Bernd Buschinski <b.buschinski@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "jack-wrapper.h"
|
|
|
|
#include <obs-module.h>
|
|
#include <util/dstr.h>
|
|
|
|
/**
|
|
* Returns the name of the plugin
|
|
*/
|
|
static const char *jack_input_getname(void *unused)
|
|
{
|
|
UNUSED_PARAMETER(unused);
|
|
return obs_module_text("JACKInput");
|
|
}
|
|
|
|
/**
|
|
* Destroy the plugin object and free all memory
|
|
*/
|
|
static void jack_destroy(void *vptr)
|
|
{
|
|
struct jack_data *data = (struct jack_data *)vptr;
|
|
|
|
if (!data)
|
|
return;
|
|
|
|
deactivate_jack(data);
|
|
|
|
if (data->device)
|
|
bfree(data->device);
|
|
pthread_mutex_destroy(&data->jack_mutex);
|
|
bfree(data);
|
|
}
|
|
|
|
/**
|
|
* Update the input settings
|
|
*/
|
|
static void jack_update(void *vptr, obs_data_t *settings)
|
|
{
|
|
struct jack_data *data = (struct jack_data *)vptr;
|
|
if (!data)
|
|
return;
|
|
|
|
const char *new_device;
|
|
bool settings_changed = false;
|
|
bool new_jack_start_server = obs_data_get_bool(settings, "startjack");
|
|
int new_channel_count = obs_data_get_int(settings, "channels");
|
|
|
|
if (new_jack_start_server != data->start_jack_server) {
|
|
data->start_jack_server = new_jack_start_server;
|
|
settings_changed = true;
|
|
}
|
|
|
|
if (new_channel_count != data->channels)
|
|
/*
|
|
* keep "old" channel count for now,
|
|
* we need to destroy the correct number of channels
|
|
*/
|
|
settings_changed = true;
|
|
|
|
new_device = obs_source_get_name(data->source);
|
|
if (!data->device || strcmp(data->device, new_device) != 0) {
|
|
if (data->device)
|
|
bfree(data->device);
|
|
/* prefix all devices to make it clear that they belong to obs */
|
|
struct dstr device;
|
|
dstr_init(&device);
|
|
dstr_catf(&device, "OBS Studio: %s", new_device);
|
|
data->device = bstrdup(device.array);
|
|
settings_changed = true;
|
|
dstr_free(&device);
|
|
}
|
|
|
|
if (settings_changed) {
|
|
deactivate_jack(data);
|
|
|
|
data->channels = new_channel_count;
|
|
|
|
if (jack_init(data) != 0) {
|
|
deactivate_jack(data);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create the plugin object
|
|
*/
|
|
static void *jack_create(obs_data_t *settings, obs_source_t *source)
|
|
{
|
|
struct jack_data *data = bzalloc(sizeof(struct jack_data));
|
|
|
|
pthread_mutex_init(&data->jack_mutex, NULL);
|
|
data->source = source;
|
|
data->channels = -1;
|
|
|
|
jack_update(data, settings);
|
|
|
|
if (data->jack_client == NULL) {
|
|
jack_destroy(data);
|
|
return NULL;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
/**
|
|
* Get plugin defaults
|
|
*/
|
|
static void jack_input_defaults(obs_data_t *settings)
|
|
{
|
|
obs_data_set_default_int(settings, "channels", 2);
|
|
obs_data_set_default_bool(settings, "startjack", false);
|
|
}
|
|
|
|
/**
|
|
* Get plugin properties
|
|
*/
|
|
static obs_properties_t *jack_input_properties(void *unused)
|
|
{
|
|
(void)unused;
|
|
|
|
obs_properties_t *props = obs_properties_create();
|
|
|
|
obs_properties_add_int(props, "channels", obs_module_text("Channels"),
|
|
1, 8, 1);
|
|
obs_properties_add_bool(props, "startjack",
|
|
obs_module_text("StartJACKServer"));
|
|
|
|
return props;
|
|
}
|
|
|
|
struct obs_source_info jack_output_capture = {
|
|
.id = "jack_output_capture",
|
|
.type = OBS_SOURCE_TYPE_INPUT,
|
|
.output_flags = OBS_SOURCE_AUDIO,
|
|
.get_name = jack_input_getname,
|
|
.create = jack_create,
|
|
.destroy = jack_destroy,
|
|
.update = jack_update,
|
|
.get_defaults = jack_input_defaults,
|
|
.get_properties = jack_input_properties,
|
|
.icon_type = OBS_ICON_TYPE_AUDIO_OUTPUT,
|
|
};
|