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Diffstat (limited to 'app/capturing.h')
-rw-r--r-- | app/capturing.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/app/capturing.h b/app/capturing.h new file mode 100644 index 0000000..599cd5c --- /dev/null +++ b/app/capturing.h @@ -0,0 +1,70 @@ +/* + * 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 */ |