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/*
* Copyright (C) 2019 DENSO TEN Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CAPTURING_H
#define CAPTURING_H
class CapturingItem
{
public:
CapturingItem();
~CapturingItem();
int open_device(int dev);
int init_device(void);
void start_capturing(void);
void close_device(void);
unsigned char* snap_frame(void);
int width(void) const
{
return _width;
}
int height(void) const
{
return _height;
}
private:
struct buffer {
void *start;
size_t length;
};
std::string _dev_name;
int _fd;
struct buffer *p_buffers;
unsigned int n_buffers;
int _fps_count;
int _framerate;
int _timeout; /* secs */
int _left;
int _top;
int _width;
int _height;
void errno_exit(const char *s);
int xioctl(int fh, int request, void *arg);
void uninit_device(void);
void init_read(unsigned int buffer_size);
void init_mmap(void);
void init_userp(unsigned int buffer_size);
int read_frame(void);
};
#endif /* CAPTURING_H */
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