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device: add device object

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Make a device object, let the v4l2 monitor create device objects
The device object is responsible for dynamically creating nodes.
This commit is contained in:
Wim Taymans 2018-11-23 12:43:47 +01:00
parent 79253c6d46
commit e1bd12e599
43 changed files with 1784 additions and 237 deletions
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36
spa/plugins/v4l2/v4l2.h Normal file
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/* 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>
struct spa_v4l2_device {
struct spa_log *log;
int fd;
struct v4l2_capability cap;
bool active;
};
int spa_v4l2_open(struct spa_v4l2_device *dev, const char *path);
int spa_v4l2_close(struct spa_v4l2_device *dev);
int spa_v4l2_is_capture(struct spa_v4l2_device *dev);