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Optimise usage of videodev2.h header

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This commit is contained in:
Kamil Trzcinski
2022-04-10 14:41:00 +02:00
parent b21ddd2519
commit cae3087116
32 changed files with 131 additions and 158 deletions
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21
device/v4l2/v4l2.h
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@ -1,7 +1,9 @@
#pragma once
// TODO: temporary
#include "device/hw/v4l2.h"
#include <linux/videodev2.h>
#include <linux/v4l2-subdev.h>
#include <stdbool.h>
#include <stdint.h>
typedef struct buffer_s buffer_t;
typedef struct buffer_list_s buffer_list_t;
@ -29,18 +31,3 @@ int v4l2_buffer_list_set_stream(buffer_list_t *buf_list, bool do_on);
int v4l2_device_open_media_device(device_t *dev);
int v4l2_device_open_v4l2_subdev(device_t *dev, int subdev);
int v4l2_device_set_pad_format(device_t *dev, unsigned width, unsigned height, unsigned format);
#ifndef CFG_XIOCTL_RETRIES
# define CFG_XIOCTL_RETRIES 4
#endif
#define XIOCTL_RETRIES ((unsigned)(CFG_XIOCTL_RETRIES))
unsigned fourcc_to_stride(unsigned width, unsigned format);
int xioctl(const char *name, int fd, int request, void *arg);
#define E_XIOCTL(dev, _fd, _request, _value, _msg, ...) do { \
int ret; \
if ((ret = xioctl(dev_name(dev), _fd, _request, _value)) < 0) { \
E_LOG_ERROR(dev, "xioctl(ret=%d): " _msg, ret, ##__VA_ARGS__); \
} \
} while(0)