obs-studio/libobs/obs-output.c

126 lines
3.3 KiB
C

/******************************************************************************
Copyright (C) 2013 by Hugh Bailey <obs.jim@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 "obs.h"
#include "obs-internal.h"
bool load_output_info(void *module, const char *module_name,
const char *id, struct output_info *info)
{
LOAD_MODULE_SUBFUNC(getname, true);
LOAD_MODULE_SUBFUNC(create, true);
LOAD_MODULE_SUBFUNC(destroy, true);
LOAD_MODULE_SUBFUNC(update, true);
LOAD_MODULE_SUBFUNC(start, true);
LOAD_MODULE_SUBFUNC(stop, true);
LOAD_MODULE_SUBFUNC(active, true);
LOAD_MODULE_SUBFUNC(pause, false);
info->id = id;
return true;
}
static inline const struct output_info *find_output(const char *id)
{
size_t i;
for (i = 0; i < obs->output_types.num; i++)
if (strcmp(obs->output_types.array[i].id, id) == 0)
return obs->output_types.array+i;
return NULL;
}
obs_output_t obs_output_create(const char *id, const char *name,
const char *settings)
{
const struct output_info *info = find_output(id);
struct obs_output *output;
if (!info) {
blog(LOG_WARNING, "Output '%s' not found", id);
return NULL;
}
output = bmalloc(sizeof(struct obs_output));
output->callbacks = *info;
output->data = info->create(settings, output);
if (!output->data) {
bfree(output);
return NULL;
}
output->name = bstrdup(name);
dstr_init_copy(&output->settings, settings);
pthread_mutex_lock(&obs->data.outputs_mutex);
da_push_back(obs->data.outputs, &output);
pthread_mutex_unlock(&obs->data.outputs_mutex);
return output;
}
void obs_output_destroy(obs_output_t output)
{
if (output) {
pthread_mutex_lock(&obs->data.outputs_mutex);
da_erase_item(obs->data.outputs, &output);
pthread_mutex_unlock(&obs->data.outputs_mutex);
output->callbacks.destroy(output->data);
dstr_free(&output->settings);
bfree(output->name);
bfree(output);
}
}
bool obs_output_start(obs_output_t output)
{
return output->callbacks.start(output->data);
}
void obs_output_stop(obs_output_t output)
{
output->callbacks.stop(output->data);
}
bool obs_output_active(obs_output_t output)
{
return output->callbacks.active(output);
}
void obs_output_update(obs_output_t output, const char *settings)
{
if (output->callbacks.update)
output->callbacks.update(output->data, settings);
}
bool obs_output_canpause(obs_output_t output)
{
return output->callbacks.pause != NULL;
}
void obs_output_pause(obs_output_t output)
{
if (output->callbacks.pause)
output->callbacks.pause(output->data);
}
void obs_output_save_settings(obs_output_t output, const char *settings)
{
dstr_copy(&output->settings, settings);
}