2021-04-16 23:21:06 +08:00
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# ----------------------------------------------------------------------------
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# pyglet
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# Copyright (c) 2006-2008 Alex Holkner
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2021-04-17 01:14:38 +08:00
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# Copyright (c) 2008-2021 pyglet contributors
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2021-04-16 23:21:06 +08:00
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of pyglet nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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"""Wrapper for include/libswscale/swscale.h
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"""
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from ctypes import c_int, c_uint16, c_int32, c_int64, c_uint32, c_uint64
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from ctypes import c_uint8, c_uint, c_double, c_float, c_ubyte, c_size_t, c_char, c_char_p
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from ctypes import c_void_p, addressof, byref, cast, POINTER, CFUNCTYPE, Structure, Union
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from ctypes import create_string_buffer, memmove
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import pyglet
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import pyglet.lib
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swscale = pyglet.lib.load_library(
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'swscale',
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win32='swscale-5',
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darwin='swscale.5'
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)
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SWS_FAST_BILINEAR = 1
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class SwsContext(Structure):
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pass
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class SwsFilter(Structure):
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pass
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swscale.sws_getCachedContext.restype = POINTER(SwsContext)
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swscale.sws_getCachedContext.argtypes = [POINTER(SwsContext),
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c_int, c_int, c_int, c_int,
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c_int, c_int, c_int,
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POINTER(SwsFilter), POINTER(SwsFilter),
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POINTER(c_double)]
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swscale.sws_freeContext.argtypes = [POINTER(SwsContext)]
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swscale.sws_scale.restype = c_int
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swscale.sws_scale.argtypes = [POINTER(SwsContext),
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POINTER(POINTER(c_uint8)),
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POINTER(c_int),
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c_int, c_int,
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POINTER(POINTER(c_uint8)),
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POINTER(c_int)]
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__all__ = [
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'swscale',
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'SWS_FAST_BILINEAR',
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'SwsContext',
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'SwsFilter'
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]
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