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324 lines
10 KiB
324 lines
10 KiB
__all__ = ['op', 'kernel']
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import sys
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import cv2 as cv
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# NB: Register function in specific module
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def register(mname):
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def parameterized(func):
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sys.modules[mname].__dict__[func.__name__] = func
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return func
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return parameterized
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@register('cv2.gapi')
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def networks(*args):
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return cv.gapi_GNetPackage(list(map(cv.detail.strip, args)))
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@register('cv2.gapi')
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def compile_args(*args):
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return list(map(cv.GCompileArg, args))
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@register('cv2')
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def GIn(*args):
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return [*args]
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@register('cv2')
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def GOut(*args):
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return [*args]
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@register('cv2')
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def gin(*args):
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return [*args]
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@register('cv2.gapi')
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def descr_of(*args):
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return [*args]
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@register('cv2')
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class GOpaque():
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# NB: Inheritance from c++ class cause segfault.
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# So just aggregate cv.GOpaqueT instead of inheritance
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def __new__(cls, argtype):
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return cv.GOpaqueT(argtype)
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class Bool():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_BOOL)
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class Int():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_INT)
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class Int64():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_INT64)
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class UInt64():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_UINT64)
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class Double():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_DOUBLE)
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class Float():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_FLOAT)
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class String():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_STRING)
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class Point():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_POINT)
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class Point2f():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_POINT2F)
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class Point3f():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_POINT3F)
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class Size():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_SIZE)
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class Rect():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_RECT)
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class Prim():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_DRAW_PRIM)
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class Any():
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def __new__(self):
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return cv.GOpaqueT(cv.gapi.CV_ANY)
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@register('cv2')
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class GArray():
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# NB: Inheritance from c++ class cause segfault.
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# So just aggregate cv.GArrayT instead of inheritance
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def __new__(cls, argtype):
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return cv.GArrayT(argtype)
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class Bool():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_BOOL)
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class Int():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_INT)
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class Int64():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_INT64)
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class UInt64():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_UINT64)
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class Double():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_DOUBLE)
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class Float():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_FLOAT)
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class String():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_STRING)
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class Point():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_POINT)
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class Point2f():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_POINT2F)
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class Point3f():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_POINT3F)
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class Size():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_SIZE)
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class Rect():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_RECT)
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class Scalar():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_SCALAR)
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class Mat():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_MAT)
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class GMat():
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def __new__(self):
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return cv.GArrayT(cv.gapi.CV_GMAT)
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class Prim():
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def __new__(self):
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return cv.GArray(cv.gapi.CV_DRAW_PRIM)
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class Any():
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def __new__(self):
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return cv.GArray(cv.gapi.CV_ANY)
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# NB: Top lvl decorator takes arguments
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def op(op_id, in_types, out_types):
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garray_types= {
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cv.GArray.Bool: cv.gapi.CV_BOOL,
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cv.GArray.Int: cv.gapi.CV_INT,
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cv.GArray.Int64: cv.gapi.CV_INT64,
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cv.GArray.UInt64: cv.gapi.CV_UINT64,
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cv.GArray.Double: cv.gapi.CV_DOUBLE,
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cv.GArray.Float: cv.gapi.CV_FLOAT,
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cv.GArray.String: cv.gapi.CV_STRING,
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cv.GArray.Point: cv.gapi.CV_POINT,
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cv.GArray.Point2f: cv.gapi.CV_POINT2F,
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cv.GArray.Point3f: cv.gapi.CV_POINT3F,
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cv.GArray.Size: cv.gapi.CV_SIZE,
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cv.GArray.Rect: cv.gapi.CV_RECT,
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cv.GArray.Scalar: cv.gapi.CV_SCALAR,
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cv.GArray.Mat: cv.gapi.CV_MAT,
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cv.GArray.GMat: cv.gapi.CV_GMAT,
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cv.GArray.Prim: cv.gapi.CV_DRAW_PRIM,
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cv.GArray.Any: cv.gapi.CV_ANY
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}
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gopaque_types= {
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cv.GOpaque.Size: cv.gapi.CV_SIZE,
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cv.GOpaque.Rect: cv.gapi.CV_RECT,
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cv.GOpaque.Bool: cv.gapi.CV_BOOL,
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cv.GOpaque.Int: cv.gapi.CV_INT,
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cv.GOpaque.Int64: cv.gapi.CV_INT64,
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cv.GOpaque.UInt64: cv.gapi.CV_UINT64,
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cv.GOpaque.Double: cv.gapi.CV_DOUBLE,
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cv.GOpaque.Float: cv.gapi.CV_FLOAT,
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cv.GOpaque.String: cv.gapi.CV_STRING,
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cv.GOpaque.Point: cv.gapi.CV_POINT,
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cv.GOpaque.Point2f: cv.gapi.CV_POINT2F,
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cv.GOpaque.Point3f: cv.gapi.CV_POINT3F,
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cv.GOpaque.Size: cv.gapi.CV_SIZE,
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cv.GOpaque.Rect: cv.gapi.CV_RECT,
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cv.GOpaque.Prim: cv.gapi.CV_DRAW_PRIM,
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cv.GOpaque.Any: cv.gapi.CV_ANY
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}
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type2str = {
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cv.gapi.CV_BOOL: 'cv.gapi.CV_BOOL' ,
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cv.gapi.CV_INT: 'cv.gapi.CV_INT' ,
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cv.gapi.CV_INT64: 'cv.gapi.CV_INT64' ,
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cv.gapi.CV_UINT64: 'cv.gapi.CV_UINT64' ,
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cv.gapi.CV_DOUBLE: 'cv.gapi.CV_DOUBLE' ,
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cv.gapi.CV_FLOAT: 'cv.gapi.CV_FLOAT' ,
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cv.gapi.CV_STRING: 'cv.gapi.CV_STRING' ,
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cv.gapi.CV_POINT: 'cv.gapi.CV_POINT' ,
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cv.gapi.CV_POINT2F: 'cv.gapi.CV_POINT2F' ,
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cv.gapi.CV_POINT3F: 'cv.gapi.CV_POINT3F' ,
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cv.gapi.CV_SIZE: 'cv.gapi.CV_SIZE',
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cv.gapi.CV_RECT: 'cv.gapi.CV_RECT',
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cv.gapi.CV_SCALAR: 'cv.gapi.CV_SCALAR',
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cv.gapi.CV_MAT: 'cv.gapi.CV_MAT',
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cv.gapi.CV_GMAT: 'cv.gapi.CV_GMAT',
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cv.gapi.CV_DRAW_PRIM: 'cv.gapi.CV_DRAW_PRIM'
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}
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# NB: Second lvl decorator takes class to decorate
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def op_with_params(cls):
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if not in_types:
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raise Exception('{} operation should have at least one input!'.format(cls.__name__))
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if not out_types:
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raise Exception('{} operation should have at least one output!'.format(cls.__name__))
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for i, t in enumerate(out_types):
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if t not in [cv.GMat, cv.GScalar, *garray_types, *gopaque_types]:
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raise Exception('{} unsupported output type: {} in position: {}'
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.format(cls.__name__, t.__name__, i))
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def on(*args):
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if len(in_types) != len(args):
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raise Exception('Invalid number of input elements!\nExpected: {}, Actual: {}'
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.format(len(in_types), len(args)))
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for i, (t, a) in enumerate(zip(in_types, args)):
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if t in garray_types:
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if not isinstance(a, cv.GArrayT):
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raise Exception("{} invalid type for argument {}.\nExpected: {}, Actual: {}"
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.format(cls.__name__, i, cv.GArrayT.__name__, type(a).__name__))
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elif a.type() != garray_types[t]:
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raise Exception("{} invalid GArrayT type for argument {}.\nExpected: {}, Actual: {}"
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.format(cls.__name__, i, type2str[garray_types[t]], type2str[a.type()]))
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elif t in gopaque_types:
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if not isinstance(a, cv.GOpaqueT):
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raise Exception("{} invalid type for argument {}.\nExpected: {}, Actual: {}"
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.format(cls.__name__, i, cv.GOpaqueT.__name__, type(a).__name__))
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elif a.type() != gopaque_types[t]:
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raise Exception("{} invalid GOpaque type for argument {}.\nExpected: {}, Actual: {}"
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.format(cls.__name__, i, type2str[gopaque_types[t]], type2str[a.type()]))
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else:
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if t != type(a):
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raise Exception('{} invalid input type for argument {}.\nExpected: {}, Actual: {}'
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.format(cls.__name__, i, t.__name__, type(a).__name__))
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op = cv.gapi.__op(op_id, cls.outMeta, *args)
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out_protos = []
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for i, out_type in enumerate(out_types):
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if out_type == cv.GMat:
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out_protos.append(op.getGMat())
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elif out_type == cv.GScalar:
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out_protos.append(op.getGScalar())
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elif out_type in gopaque_types:
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out_protos.append(op.getGOpaque(gopaque_types[out_type]))
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elif out_type in garray_types:
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out_protos.append(op.getGArray(garray_types[out_type]))
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else:
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raise Exception("""In {}: G-API operation can't produce the output with type: {} in position: {}"""
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.format(cls.__name__, out_type.__name__, i))
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return tuple(out_protos) if len(out_protos) != 1 else out_protos[0]
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# NB: Extend operation class
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cls.id = op_id
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cls.on = staticmethod(on)
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return cls
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return op_with_params
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def kernel(op_cls):
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# NB: Second lvl decorator takes class to decorate
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def kernel_with_params(cls):
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# NB: Add new members to kernel class
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cls.id = op_cls.id
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cls.outMeta = op_cls.outMeta
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return cls
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return kernel_with_params
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cv.gapi.wip.GStreamerPipeline = cv.gapi_wip_gst_GStreamerPipeline
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