56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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#include <mutex>
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#define LOG_TRACE(s) utils::to_log(LOG_LEVEL_DEBUG, s.c_str())
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#define LOG_ERROR LOG_TRACE
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class gVideo
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{
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public:
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gVideo();
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virtual ~gVideo();
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bool is_open();
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void close();
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void open(int width, int height);
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void start();
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void stop();
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void grab(int color, bool bcrrect = false, int timeout = 1000, int flatpara = 0);
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bool hasframe();
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virtual void *read_frame(int timeout, size_t& size, int& ind); // call add_v4l2_memory to put the buffer into the V4L2 queue again
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int add_v4l2_memory(int ind);
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int get_mem_count(void);
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void set_size(int width, int height);
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protected:
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bool wait(int msTimeout);
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virtual void stop_capturing(void);
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virtual void start_capturing(void);
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void uninit_device(void);
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virtual void init_mmap(void);
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virtual void init_device(void);
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void close_device(void);
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void open_device(void);
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struct buffer
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{
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void *start;
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size_t length;
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};
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const int v4l_buffer_count = 5;
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int buf_size_ = 0;
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int v4l_width = 3100;
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int v4l_height = 3100;
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std::string dev_name;
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int fd;
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std::vector<buffer> buffers;
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unsigned int n_buffers;
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std::mutex m_lock;
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volatile bool bStart;
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};
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