pipewire/spa/plugins/v4l2/v4l2.c
2024-01-04 10:02:55 +00:00

42 lines
945 B
C

/* Spa V4l2 support */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include <errno.h>
#include <spa/support/plugin.h>
#include <spa/support/log.h>
#include "v4l2.h"
extern const struct spa_handle_factory spa_v4l2_source_factory;
extern const struct spa_handle_factory spa_v4l2_udev_factory;
extern const struct spa_handle_factory spa_v4l2_device_factory;
SPA_LOG_TOPIC_DEFINE(v4l2_log_topic, "spa.v4l2");
SPA_LOG_TOPIC_ENUM_DEFINE_REGISTERED;
SPA_EXPORT
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_udev_factory;
break;
case 2:
*factory = &spa_v4l2_device_factory;
break;
default:
return 0;
}
(*index)++;
return 1;
}