2021-04-16 23:21:06 +08:00
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"""Wrapper for include/libswscale/swscale.h
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"""
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2022-04-08 23:07:41 +08:00
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from ctypes import POINTER, Structure
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from ctypes import c_int
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from ctypes import c_uint8, c_double
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2021-04-16 23:21:06 +08:00
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import pyglet.lib
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2022-04-08 23:07:41 +08:00
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from pyglet.util import debug_print
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from . import compat
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2021-04-16 23:21:06 +08:00
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2022-04-08 23:07:41 +08:00
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_debug = debug_print('debug_media')
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2022-04-09 13:08:14 +08:00
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swscale = pyglet.lib.load_library(
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'swscale',
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2023-05-18 21:15:27 +08:00
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win32=('swscale-7', 'swscale-6', 'swscale-5'),
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darwin=('swscale.7', 'swscale.6', 'swscale.5')
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2022-04-09 13:08:14 +08:00
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)
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swscale.swscale_version.restype = c_int
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compat.set_version('swscale', swscale.swscale_version() >> 16)
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2022-04-08 23:07:41 +08:00
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2021-04-16 23:21:06 +08:00
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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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