diff options
Diffstat (limited to 'spa/plugins/v4l2/v4l2.c')
-rw-r--r-- | spa/plugins/v4l2/v4l2.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/spa/plugins/v4l2/v4l2.c b/spa/plugins/v4l2/v4l2.c new file mode 100644 index 0000000..77fb4ce --- /dev/null +++ b/spa/plugins/v4l2/v4l2.c @@ -0,0 +1,59 @@ +/* Spa V4l2 support + * + * Copyright © 2018 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <errno.h> + +#include <spa/support/plugin.h> +#include <spa/support/log.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; + +struct spa_log_topic log_topic = SPA_LOG_TOPIC(0, "spa.v4l2"); +struct spa_log_topic *v4l2_log_topic = &log_topic; + +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; +} |