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53 lines
974 B
C
53 lines
974 B
C
#pragma once
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#include <stddef.h>
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#include <stdbool.h>
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#include <linux/videodev2.h>
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#define FORMAT_UNKNOWN -1
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#define STANDARD_UNKNOWN V4L2_STD_UNKNOWN
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struct buffer_t {
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void *start;
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size_t length;
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};
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struct device_runtime_t {
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int fd;
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unsigned width;
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unsigned height;
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unsigned format;
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unsigned n_buffers;
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struct buffer_t *buffers;
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unsigned char **pictures;
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bool capturing;
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};
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struct device_t {
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char *path;
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unsigned width;
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unsigned height;
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unsigned format;
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v4l2_std_id standard;
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bool dv_timings;
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unsigned n_buffers;
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unsigned every_frame;
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unsigned min_frame_size;
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unsigned jpeg_quality;
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unsigned timeout;
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unsigned error_timeout;
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struct device_runtime_t *run;
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};
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void device_init(struct device_t *dev, struct device_runtime_t *run);
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int device_parse_format(const char *const str);
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v4l2_std_id device_parse_standard(const char *const str);
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int device_open(struct device_t *dev);
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void device_close(struct device_t *dev);
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