// Copyright 2019 Fuzhou Rockchip Electronics Co., Ltd. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef EASYMEDIA_V4L2_UTILS_H_
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#define EASYMEDIA_V4L2_UTILS_H_
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#include <linux/videodev2.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include "key_string.h"
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#include "media_type.h"
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#include "rkaiq/common/mediactl/mediactl.h"
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#include "utils.h"
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#ifndef V4L2_PIX_FMT_FBC2
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#define V4L2_PIX_FMT_FBC2 v4l2_fourcc('F', 'B', 'C', '2')
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#define V4L2_PIX_FMT_FBC0 v4l2_fourcc('F', 'B', 'C', '0')
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#endif
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#define DEV_PATH_LEN 64
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#define MAX_MEDIA_INDEX 20
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#define DRIVER_NAME "rkispp"
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#define MB_ENTITY_NAME DRIVER_NAME "_m_bypass"
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#define S0_ENTITY_NAME DRIVER_NAME "_scale0"
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#define S1_ENTITY_NAME DRIVER_NAME "_scale1"
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#define S2_ENTITY_NAME DRIVER_NAME "_scale2"
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typedef struct {
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char media_dev_path[DEV_PATH_LEN];
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char ispp_m_bypass_path[DEV_PATH_LEN];
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char ispp_scale0_path[DEV_PATH_LEN];
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char ispp_scale1_path[DEV_PATH_LEN];
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char ispp_scale2_path[DEV_PATH_LEN];
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} ispp_t;
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typedef struct {
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char media_dev_path[DEV_PATH_LEN];
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char isp_main_path[DEV_PATH_LEN];
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char isp_self_path[DEV_PATH_LEN];
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} isp_t;
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namespace easymedia
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{
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__u32 GetV4L2Type(const char* v4l2type);
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__u32 GetV4L2FmtByString(const char* type);
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__u32 GetV4L2ColorSpaceByString(const char* type);
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const std::string& GetStringOfV4L2Fmts();
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typedef struct {
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int (*open_f)(const char* file, int oflag, ...);
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int (*close_f)(int fd);
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int (*dup_f)(int fd);
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int (*ioctl_f)(int fd, unsigned long int request, ...);
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ssize_t (*read_f)(int fd, void* buffer, size_t n);
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void* (*mmap_f)(void* start, size_t length, int prot, int flags, int fd, int64_t offset);
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int (*munmap_f)(void* _start, size_t length);
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} v4l2_io;
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bool SetV4L2IoFunction(v4l2_io* vio, bool use_libv4l2 = false);
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int V4L2IoCtl(v4l2_io* vio, int fd, unsigned long int request, void* arg);
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} // namespace easymedia
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#endif // #ifndef EASYMEDIA_V4L2_UTILS_H_
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