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.
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
typedef struct buffer_s buffer_t;
|
|
typedef struct device_s device_t;
|
|
struct pollfd;
|
|
|
|
typedef enum {
|
|
BUFFER_TYPE_DEFAULT = 0,
|
|
|
|
BUFFER_TYPE_RAW = 1,
|
|
BUFFER_TYPE_IMAGE = 2,
|
|
BUFFER_TYPE_VIDEO = 3
|
|
} buffer_type_t;
|
|
|
|
typedef struct buffer_format_s {
|
|
unsigned width, height, format, bytesperline, sizeimage;
|
|
unsigned nbufs;
|
|
unsigned interval_us;
|
|
buffer_type_t type;
|
|
} buffer_format_t;
|
|
|
|
typedef struct buffer_stats_s {
|
|
int frames, dropped;
|
|
} buffer_stats_t;
|
|
|
|
#define MAX_BUFFER_QUEUE 4
|
|
|
|
typedef struct buffer_list_s {
|
|
char *name;
|
|
char *path;
|
|
device_t *dev;
|
|
buffer_t **bufs;
|
|
int nbufs;
|
|
int index;
|
|
|
|
buffer_format_t fmt;
|
|
bool do_mmap, do_capture, do_timestamps;
|
|
|
|
union {
|
|
struct buffer_list_v4l2_s *v4l2;
|
|
struct buffer_list_dummy_s *dummy;
|
|
struct buffer_list_libcamera_s *libcamera;
|
|
};
|
|
|
|
buffer_t *queued_bufs[MAX_BUFFER_QUEUE];
|
|
int n_queued_bufs;
|
|
|
|
uint64_t last_enqueued_us, last_dequeued_us;
|
|
int last_capture_time_us, last_in_queue_time_us;
|
|
bool streaming;
|
|
buffer_stats_t stats, stats_last;
|
|
} buffer_list_t;
|
|
|
|
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);
|
|
void buffer_list_close(buffer_list_t *buf_list);
|
|
int buffer_list_alloc_buffers(buffer_list_t *buf_list);
|
|
void buffer_list_free_buffers(buffer_list_t *buf_list);
|
|
|
|
int buffer_list_set_stream(buffer_list_t *buf_list, bool do_on);
|
|
|
|
int buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool can_dequeue);
|
|
buffer_t *buffer_list_find_slot(buffer_list_t *buf_list);
|
|
buffer_t *buffer_list_dequeue(buffer_list_t *buf_list);
|
|
int buffer_list_count_enqueued(buffer_list_t *buf_list);
|
|
int buffer_list_enqueue(buffer_list_t *buf_list, buffer_t *dma_buf);
|
|
void buffer_list_clear_queue(buffer_list_t *buf_list);
|
|
bool buffer_list_push_to_queue(buffer_list_t *buf_list, buffer_t *dma_buf, int max_bufs);
|
|
buffer_t *buffer_list_pop_from_queue(buffer_list_t *buf_list);
|