140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
/******************************************************************************
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Copyright (C) 2014 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include "obs.h"
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#include "obs-internal.h"
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bool obs_view_init(struct obs_view *view)
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{
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if (!view) return false;
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pthread_mutex_init_value(&view->channels_mutex);
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if (pthread_mutex_init(&view->channels_mutex, NULL) != 0) {
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blog(LOG_ERROR, "obs_view_init: Failed to create mutex");
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return false;
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}
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return true;
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}
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obs_view_t *obs_view_create(void)
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{
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struct obs_view *view = bzalloc(sizeof(struct obs_view));
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if (!obs_view_init(view)) {
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bfree(view);
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view = NULL;
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}
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return view;
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}
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void obs_view_free(struct obs_view *view)
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{
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if (!view) return;
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for (size_t i = 0; i < MAX_CHANNELS; i++) {
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struct obs_source *source = view->channels[i];
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if (source) {
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obs_source_deactivate(source, AUX_VIEW);
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obs_source_release(source);
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}
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}
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memset(view->channels, 0, sizeof(view->channels));
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pthread_mutex_destroy(&view->channels_mutex);
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}
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void obs_view_destroy(obs_view_t *view)
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{
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if (view) {
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obs_view_free(view);
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bfree(view);
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}
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}
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obs_source_t *obs_view_get_source(obs_view_t *view, uint32_t channel)
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{
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obs_source_t *source;
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assert(channel < MAX_CHANNELS);
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if (!view) return NULL;
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if (channel >= MAX_CHANNELS) return NULL;
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pthread_mutex_lock(&view->channels_mutex);
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source = view->channels[channel];
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if (source)
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obs_source_addref(source);
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pthread_mutex_unlock(&view->channels_mutex);
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return source;
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}
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void obs_view_set_source(obs_view_t *view, uint32_t channel,
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obs_source_t *source)
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{
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struct obs_source *prev_source;
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assert(channel < MAX_CHANNELS);
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if (!view) return;
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if (channel >= MAX_CHANNELS) return;
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pthread_mutex_lock(&view->channels_mutex);
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obs_source_addref(source);
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prev_source = view->channels[channel];
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view->channels[channel] = source;
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pthread_mutex_unlock(&view->channels_mutex);
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if (source)
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obs_source_activate(source, AUX_VIEW);
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if (prev_source) {
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obs_source_deactivate(prev_source, AUX_VIEW);
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obs_source_release(prev_source);
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}
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}
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void obs_view_render(obs_view_t *view)
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{
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if (!view) return;
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pthread_mutex_lock(&view->channels_mutex);
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for (size_t i = 0; i < MAX_CHANNELS; i++) {
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struct obs_source *source;
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source = view->channels[i];
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if (source) {
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if (source->removed) {
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obs_source_release(source);
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view->channels[i] = NULL;
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} else {
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obs_source_video_render(source);
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}
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}
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}
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pthread_mutex_unlock(&view->channels_mutex);
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}
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