57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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typedef struct buffer_s buffer_t;
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typedef struct device_s device_t;
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struct pollfd;
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typedef enum {
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BUFFER_TYPE_DEFAULT = 0,
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BUFFER_TYPE_RAW = 1,
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BUFFER_TYPE_IMAGE = 2,
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BUFFER_TYPE_VIDEO = 3
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} buffer_type_t;
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typedef struct buffer_format_s {
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unsigned width, height, format, bytesperline, sizeimage;
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unsigned nbufs;
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unsigned interval_us;
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buffer_type_t type;
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} buffer_format_t;
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typedef struct buffer_list_s {
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char *name;
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char *path;
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device_t *dev;
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buffer_t **bufs;
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int nbufs;
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int index;
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buffer_format_t fmt;
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bool do_mmap, do_capture, do_timestamps;
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union {
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struct buffer_list_v4l2_s *v4l2;
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struct buffer_list_dummy_s *dummy;
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struct buffer_list_libcamera_s *libcamera;
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};
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uint64_t last_enqueued_us, last_dequeued_us;
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bool streaming;
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int frames;
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} buffer_list_t;
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buffer_list_t *buffer_list_open(const char *name, int index, struct device_s *dev, const char *path, buffer_format_t fmt, bool do_capture, bool do_mmap);
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void buffer_list_close(buffer_list_t *buf_list);
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int buffer_list_set_stream(buffer_list_t *buf_list, bool do_on);
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int buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool can_dequeue);
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buffer_t *buffer_list_find_slot(buffer_list_t *buf_list);
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buffer_t *buffer_list_dequeue(buffer_list_t *buf_list);
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int buffer_list_count_enqueued(buffer_list_t *buf_list);
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int buffer_list_enqueue(buffer_list_t *buf_list, buffer_t *dma_buf);
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