obs-studio/libobs/obs-output.c

133 lines
3.4 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"
static inline const struct obs_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,
obs_data_t settings)
{
const struct obs_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->info = *info;
output->settings = obs_data_newref(settings);
output->data = info->create(output->settings, output);
if (!output->data) {
obs_data_release(output->settings);
bfree(output);
return NULL;
}
output->name = bstrdup(name);
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) {
if (output->info.active) {
if (output->info.active(output->data))
output->info.stop(output->data);
}
pthread_mutex_lock(&obs->data.outputs_mutex);
da_erase_item(obs->data.outputs, &output);
pthread_mutex_unlock(&obs->data.outputs_mutex);
output->info.destroy(output->data);
obs_data_release(output->settings);
bfree(output->name);
bfree(output);
}
}
bool obs_output_start(obs_output_t output)
{
return (output != NULL) ? output->info.start(output->data) : false;
}
void obs_output_stop(obs_output_t output)
{
if (output)
output->info.stop(output->data);
}
bool obs_output_active(obs_output_t output)
{
return (output != NULL) ? output->info.active(output) : false;
}
obs_properties_t obs_output_properties(const char *id, const char *locale)
{
const struct obs_output_info *info = find_output(id);
if (info && info->properties)
return info->properties(locale);
return NULL;
}
void obs_output_update(obs_output_t output, obs_data_t settings)
{
if (!output) return;
obs_data_apply(output->settings, settings);
if (output->info.update)
output->info.update(output->data, output->settings);
}
obs_data_t obs_output_get_settings(obs_output_t output)
{
if (!output)
return NULL;
obs_data_addref(output->settings);
return output->settings;
}
bool obs_output_canpause(obs_output_t output)
{
return (output != NULL) ? output->info.pause != NULL : false;
}
void obs_output_pause(obs_output_t output)
{
if (output && output->info.pause)
output->info.pause(output->data);
}