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This commit is contained in:
Kamil Trzcinski
2022-04-05 08:33:27 +02:00
parent 1aeceb3637
commit 2562d9881b
25 changed files with 60 additions and 57 deletions
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36
hw/device.h Normal file
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#pragma once
#include "v4l2.h"
typedef struct device_s {
char *name;
char *path;
int fd;
struct v4l2_capability v4l2_cap;
bool allow_dma;
struct buffer_list_s *capture_list;
struct buffer_list_s *output_list;
struct device_s *output_device;
} device_t;
device_t *device_open(const char *name, const char *path);
void device_close(device_t *device);
int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsigned height, unsigned format, int nbufs);
int device_consume_event(device_t *device);
int device_stream(device_t *dev, bool do_on);
int device_force_key(device_t *dev);
int device_set_option(device_t *dev, const char *name, uint32_t id, int32_t value);
int device_set_fps(device_t *dev, int desired_fps);
#define DEVICE_SET_OPTION(dev, name, value) \
device_set_option(dev, #name, V4L2_CID_##name, value)
#define DEVICE_SET_OPTION2(dev, type, name, value) \
device_set_option(dev, #name, V4L2_CID_##type##_##name, value)
#define DEVICE_SET_OPTION2_FATAL(dev, type, name, value) \
do { if (DEVICE_SET_OPTION2(dev, type, name, value) < 0) return -1; } while(0)