f742c1a7fc
This adds `buffer_list_alloc_buffers` and `buffer_list_free_buffers` to delay buffers allocation for `libcamera`. Doing this allows to setup RAW stream afterwards.
82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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typedef struct buffer_s buffer_t;
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typedef struct buffer_list_s buffer_list_t;
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typedef struct buffer_format_s buffer_format_t;
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typedef struct device_s device_t;
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struct pollfd;
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typedef struct device_hw_s {
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int (*device_open)(device_t *dev);
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void (*device_close)(device_t *dev);
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int (*device_video_force_key)(device_t *dev);
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void (*device_dump_options)(device_t *dev, FILE *stream);
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int (*device_set_fps)(device_t *dev, int desired_fps);
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int (*device_set_rotation)(device_t *dev, bool vflip, bool hflip);
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int (*device_set_option)(device_t *dev, const char *key, const char *value);
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int (*buffer_open)(buffer_t *buf);
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void (*buffer_close)(buffer_t *buf);
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int (*buffer_enqueue)(buffer_t *buf, const char *who);
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int (*buffer_list_dequeue)(buffer_list_t *buf_list, buffer_t **bufp);
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int (*buffer_list_pollfd)(buffer_list_t *buf_list, struct pollfd *pollfd, bool can_dequeue);
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int (*buffer_list_open)(buffer_list_t *buf_list);
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void (*buffer_list_close)(buffer_list_t *buf_list);
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int (*buffer_list_alloc_buffers)(buffer_list_t *buf_list);
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void (*buffer_list_free_buffers)(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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} device_hw_t;
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typedef struct device_s {
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char *name;
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char *path;
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char bus_info[64];
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device_hw_t *hw;
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int n_capture_list;
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buffer_list_t **capture_lists;
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buffer_list_t *output_list;
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struct {
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bool allow_dma;
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} opts;
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union {
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struct device_v4l2_s *v4l2;
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struct device_dummy_s *dummy;
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struct device_libcamera_s *libcamera;
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};
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bool paused;
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} device_t;
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device_t *device_open(const char *name, const char *path, device_hw_t *hw);
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void device_close(device_t *dev);
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buffer_list_t *device_open_buffer_list(device_t *dev, bool do_capture, buffer_format_t fmt, bool do_mmap);
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buffer_list_t *device_open_buffer_list2(device_t *dev, const char *path, bool do_capture, buffer_format_t fmt, bool do_mmap);
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buffer_list_t *device_open_buffer_list_output(device_t *dev, buffer_list_t *capture_list);
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buffer_list_t *device_open_buffer_list_capture(device_t *dev, const char *path, buffer_list_t *output_list, buffer_format_t fmt, bool do_mmap);
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buffer_list_t *device_open_buffer_list_capture2(device_t *dev, const char *path, buffer_list_t *output_list, unsigned choosen_format, bool do_mmap);
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int device_set_stream(device_t *dev, bool do_on);
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int device_video_force_key(device_t *dev);
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void device_dump_options(device_t *dev, FILE *stream);
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int device_set_fps(device_t *dev, int desired_fps);
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int device_set_rotation(device_t *dev, bool vflip, bool hflip);
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int device_set_option_string(device_t *dev, const char *option, const char *value);
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void device_set_option_list(device_t *dev, const char *option_list);
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int device_output_enqueued(device_t *dev);
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int device_capture_enqueued(device_t *dev, int *max);
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device_t *device_v4l2_open(const char *name, const char *path);
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device_t *device_libcamera_open(const char *name, const char *path);
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device_t *device_dummy_open(const char *name, const char *path);
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