Kevin.xie
a2d183cea1
1. Fix the error buffer count for v4l2 when using pingpong buffer. 2. Add readable flag for pingpong buffers exchange to avoid overproduction. Signed-off-by: Kevin.xie <kevin.xie@starfivetech.com>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2021 StarFive Technology Co., Ltd.
|
|
*/
|
|
#ifndef __STF_V4L2_H__
|
|
#define __STF_V4L2_H__
|
|
|
|
#include "common.h"
|
|
|
|
// reference to enum v4l2_memory
|
|
|
|
typedef struct V4l2Param_t {
|
|
char *device_name;// = "/dev/video0";
|
|
int fd;
|
|
IOMethod io_mthd; // IO_METHOD_MMAP
|
|
enum v4l2_memory mem_type;
|
|
|
|
// int dmabuf_fd; // for IO_METHOD_DMABUF
|
|
|
|
struct buffer *pBuffers;
|
|
uint32_t n_buffers;
|
|
|
|
uint32_t image_size;
|
|
uint32_t format; // = V4L2_PIX_FMT_RGB565
|
|
|
|
uint32_t width; // = 1920;
|
|
uint32_t height; // = 1080;
|
|
uint32_t fps; // = 30;
|
|
|
|
int crop_flag;
|
|
struct v4l2_rect crop_info;
|
|
|
|
} V4l2Param_t;
|
|
|
|
extern int xioctl(int fd, int request, void* argp);
|
|
|
|
extern void sensor_image_size_info(V4l2Param_t *param);
|
|
extern void loadfw_start(char *filename, V4l2Param_t *param);
|
|
|
|
extern void stf_v4l2_open(V4l2Param_t *param, char *device_name);
|
|
extern void stf_v4l2_close(V4l2Param_t *param);
|
|
extern void stf_v4l2_init(V4l2Param_t *param);
|
|
extern void stf_v4l2_uninit(V4l2Param_t *param);
|
|
extern void sft_v4l2_prepare_capturing(V4l2Param_t *param,
|
|
int *dmabufs, STF_DISP_TYPE disp_type);
|
|
extern void sft_v4l2_start_capturing(V4l2Param_t *param);
|
|
extern void stf_v4l2_stop_capturing(V4l2Param_t *param);
|
|
|
|
extern void stf_v4l2_queue_buffer(V4l2Param_t *param, int index);
|
|
extern int stf_v4l2_dequeue_buffer(V4l2Param_t *param, struct v4l2_buffer *buf);
|
|
|
|
#endif // __STF_V4L2_H__
|