ustreamer/janus/src/config.c
Maxim Devaev 0e4bf31325 janus: non-tc358743 devices for acap suppurted
An alternative implementation of pikvm/ustreamer#304.
Thanks for the idea.
2025-10-23 00:50:19 +03:00

125 lines
4.5 KiB
C

/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
# #
# Copyright (C) 2018-2024 Maxim Devaev <mdevaev@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 3 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 <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <janus/config.h>
#include <janus/plugins/plugin.h>
#include "uslibs/types.h"
#include "uslibs/tools.h"
#include "const.h"
#include "logging.h"
static char *_get_value(janus_config *jcfg, const char *section, const char *option);
static uint _get_uint(janus_config *jcfg, const char *section, const char *option, uint def);
// static bool _get_bool(janus_config *jcfg, const char *section, const char *option, bool def);
us_config_s *us_config_init(const char *config_dir_path) {
us_config_s *config;
US_CALLOC(config, 1);
char *config_file_path;
janus_config *jcfg = NULL;
US_ASPRINTF(config_file_path, "%s/%s.jcfg", config_dir_path, US_PLUGIN_PACKAGE);
US_JLOG_INFO("config", "Reading config file '%s' ...", config_file_path);
jcfg = janus_config_parse(config_file_path);
if (jcfg == NULL) {
US_JLOG_ERROR("config", "Can't read config");
goto error;
}
janus_config_print(jcfg);
if ((config->video_sink_name = _get_value(jcfg, "video", "sink")) == NULL) {
US_JLOG_ERROR("config", "Missing config value: video.sink");
goto error;
}
if ((config->acap_dev_name = _get_value(jcfg, "acap", "device")) != NULL) {
config->acap_hz = _get_uint(jcfg, "acap", "sampling_rate", 0);
config->tc358743_dev_path = _get_value(jcfg, "acap", "tc358743");
if (config->acap_hz == 0 && config->tc358743_dev_path == NULL) {
US_JLOG_ERROR("config", "Either acap.sampling_rate or acap.tc358743 required");
goto error;
}
config->aplay_dev_name = _get_value(jcfg, "aplay", "device");
}
goto ok;
error:
US_DELETE(config, us_config_destroy);
ok:
US_DELETE(jcfg, janus_config_destroy);
free(config_file_path);
return config;
}
void us_config_destroy(us_config_s *config) {
US_DELETE(config->video_sink_name, free);
US_DELETE(config->acap_dev_name, free);
US_DELETE(config->tc358743_dev_path, free);
US_DELETE(config->aplay_dev_name, free);
free(config);
}
static char *_get_value(janus_config *jcfg, const char *section, const char *option) {
janus_config_category *section_obj = janus_config_get_create(jcfg, NULL, janus_config_type_category, section);
janus_config_item *option_obj = janus_config_get(jcfg, section_obj, janus_config_type_item, option);
if (option_obj == NULL || option_obj->value == NULL || option_obj->value[0] == '\0') {
return NULL;
}
return us_strdup(option_obj->value);
}
static uint _get_uint(janus_config *jcfg, const char *section, const char *option, uint def) {
char *const tmp = _get_value(jcfg, section, option);
uint value = def;
if (tmp != NULL) {
errno = 0;
value = (uint)strtoul(tmp, NULL, 10);
if (errno != 0) {
value = def;
}
free(tmp);
}
return value;
}
/*static bool _get_bool(janus_config *jcfg, const char *section, const char *option, bool def) {
char *const tmp = _get_value(jcfg, section, option);
bool value = def;
if (tmp != NULL) {
value = (!strcasecmp(tmp, "1") || !strcasecmp(tmp, "true") || !strcasecmp(tmp, "yes"));
free(tmp);
}
return value;
}*/