pipewire/spa/plugins/v4l2/v4l2.c
Wim Taymans 6fb0f580ea Use errno for result errors
Make new enumeration for data transport status and use errno
style error numbers for errors.
2017-11-13 09:41:41 +01:00

46 lines
1.4 KiB
C

/* Spa V4l2 support
* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <errno.h>
#include <spa/support/plugin.h>
extern const struct spa_handle_factory spa_v4l2_source_factory;
extern const struct spa_handle_factory spa_v4l2_monitor_factory;
int
spa_handle_factory_enum(const struct spa_handle_factory **factory,
uint32_t *index)
{
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(index != NULL, -EINVAL);
switch (*index) {
case 0:
*factory = &spa_v4l2_source_factory;
break;
case 1:
*factory = &spa_v4l2_monitor_factory;
break;
default:
return 0;
}
(*index)++;
return 1;
}