obs_fader_t *obs_fader_create(enum obs_fader_type type)
{
struct obs_fader *fader = bzalloc(sizeof(struct obs_fader));
if (!fader)
return NULL;
pthread_mutex_init_value(&fader->mutex);
if (pthread_mutex_init(&fader->mutex, NULL) != 0)
goto fail;
fader->signals = signal_handler_create();
if (!fader->signals)
goto fail;
if (!signal_handler_add_array(fader->signals, fader_signals))
goto fail;
switch(type) {
case OBS_FADER_CUBIC:
fader->def_to_db = cubic_def_to_db;
fader->db_to_def = cubic_db_to_def;
fader->max_db = 0.0f;
fader->min_db = -INFINITY;
break;
default:
goto fail;
break;
}
fader->type = type;
return fader;
fail:
obs_fader_destroy(fader);
return NULL;
}
static void *scene_create(obs_data_t *settings, struct obs_source *source)
{
pthread_mutexattr_t attr;
struct obs_scene *scene = bmalloc(sizeof(struct obs_scene));
scene->source = source;
scene->first_item = NULL;
signal_handler_add_array(obs_source_get_signal_handler(source),
obs_scene_signals);
if (pthread_mutexattr_init(&attr) != 0)
goto fail;
if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) != 0)
goto fail;
if (pthread_mutex_init(&scene->audio_mutex, &attr) != 0) {
blog(LOG_ERROR, "scene_create: Couldn't initialize audio "
"mutex");
goto fail;
}
if (pthread_mutex_init(&scene->video_mutex, &attr) != 0) {
blog(LOG_ERROR, "scene_create: Couldn't initialize video "
"mutex");
goto fail;
}
UNUSED_PARAMETER(settings);
return scene;
fail:
pthread_mutexattr_destroy(&attr);
bfree(scene);
return NULL;
}
static bool init_output_handlers(struct obs_output *output, const char *name,
obs_data_t settings)
{
if (!obs_context_data_init(&output->context, settings, name))
return false;
signal_handler_add_array(output->context.signals, output_signals);
return true;
}
bool obs_source_init_context(struct obs_source *source,
obs_data_t settings, const char *name)
{
if (!obs_context_data_init(&source->context, settings, name))
return false;
return signal_handler_add_array(source->context.signals,
source_signals);
}
static bool init_output_handlers(struct obs_output *output, const char *name,
obs_data_t *settings, obs_data_t *hotkey_data)
{
if (!obs_context_data_init(&output->context, OBS_OBJ_TYPE_OUTPUT,
settings, name, hotkey_data, false))
return false;
signal_handler_add_array(output->context.signals, output_signals);
return true;
}
static inline bool obs_init_handlers(void)
{
obs->signals = signal_handler_create();
if (!obs->signals)
return false;
obs->procs = proc_handler_create();
if (!obs->procs)
return false;
return signal_handler_add_array(obs->signals, obs_signals);
}
