27 lines
724 B
Python
27 lines
724 B
Python
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from ctypes import *
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import sys
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# 回调函数类型定义
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fun_ctype = WINFUNCTYPE # 指针函数类型
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if 'linux' in sys.platform:
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fun_ctype = CFUNCTYPE
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# 定义预览参数结构体
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class FRAME_INFO(Structure):
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pass
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LPFRAME_INFO = POINTER(FRAME_INFO)
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FRAME_INFO._fields_ = [
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('nWidth', c_uint32),
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('nHeight', c_uint32),
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('nStamp', c_uint32),
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('nType', c_uint32),
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('nFrameRate', c_uint32),
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('dwFrameNum', c_uint32)
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]
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# 显示回调函数
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DISPLAYCBFUN = fun_ctype(None, c_long, c_char_p, c_long, c_long, c_long, c_long, c_long, c_long)
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# 解码回调函数
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DECCBFUNWIN = fun_ctype(None, c_long, POINTER(c_char), c_long, POINTER(FRAME_INFO), c_void_p, c_void_p)
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