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>
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2021 StarFive Technology Co., Ltd.
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*/
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#ifndef __COMMON_H__
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#define __COMMON_H__
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <time.h>
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#include <asm/types.h>
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#include <linux/videodev2.h>
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#include <linux/fb.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <malloc.h>
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#ifndef TEST_VERSION
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#define TEST_VERSION "v0.0.1"
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#endif
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#define PINGPONG_BUFCOUNT 2 /* For pingpong buffer mapping in drm + mmap mode*/
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#define BUFCOUNT 4
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#define CLEAR(x) memset (&(x), 0, sizeof (x))
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#define PCLEAR(x) memset ((x), 0, sizeof (*x))
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struct buffer {
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void* start;
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size_t length;
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int dmabuf_fd;
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int index;
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};
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enum COLOR_FORMAT{
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COLOR_YUV422_UYVY = 0, // 00={Y1,V0,Y0,U0}
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COLOR_YUV422_VYUY = 1, // 01={Y1,U0,Y0,V0}
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COLOR_YUV422_YUYV = 2, // 10={V0,Y1,U0,Y0}
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COLOR_YUV422_YVYU = 3, // 11={U0,Y1,V0,Y0}
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COLOR_YUV420P, // 4
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COLOR_YUV420_NV21, // 5
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COLOR_YUV420_NV12, // 6
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COLOR_RGB888_ARGB, // 7
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COLOR_RGB888_ABGR, // 8
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COLOR_RGB888_RGBA, // 9
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COLOR_RGB888_BGRA, // 10
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COLOR_RGB565, // 11
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};
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typedef enum IOMethod {
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IO_METHOD_MMAP,
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IO_METHOD_USERPTR,
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IO_METHOD_DMABUF,
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IO_METHOD_READ
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} IOMethod;
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typedef enum STF_DISP_TYPE {
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STF_DISP_NONE = 0, // Not display
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STF_DISP_FB, // Use framebuffer framework display
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STF_DISP_DRM // Use drm framework display
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} STF_DISP_TYPE;
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extern void dump_fourcc(uint32_t fourcc);
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extern int v4l2fmt_to_fbfmt(uint32_t format);
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extern uint32_t v4l2fmt_to_drmfmt(uint32_t v4l2_fmt);
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extern void test_performance();
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extern void errno_exit(const char* s);
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extern void errno_print(const char *s);
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extern int write_file(char * filename, const unsigned char *image_buffer, int size);
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// extern void jpegWrite(unsigned char* img, char* jpegFilename);
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extern void jpegWrite(unsigned char* img, char* jpegFilename,
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uint32_t width, uint32_t height, int jpegQuality);
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extern int write_JPEG_file(char * filename,unsigned char *image_buffer,
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int image_width, int image_height, int quality);
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extern int is_raw_v4l2fmt(uint32_t format);
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// inline int clip(int value, int min, int max) {
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// return (value > max ? max : value < min ? min : value);
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// }
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#endif // __COMMON_H__
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