55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
"""Wrapper for include/libswresample/swresample.h
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"""
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from ctypes import c_int, c_int64
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from ctypes import c_uint8
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from ctypes import c_void_p, POINTER, Structure
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import pyglet.lib
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from pyglet.util import debug_print
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from . import compat
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_debug = debug_print('debug_media')
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swresample = pyglet.lib.load_library(
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'swresample',
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win32=('swresample-4', 'swresample-3'),
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darwin=('swresample.4', 'swresample.3')
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)
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swresample.swresample_version.restype = c_int
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compat.set_version('swresample', swresample.swresample_version() >> 16)
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SWR_CH_MAX = 32
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class SwrContext(Structure):
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pass
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swresample.swr_alloc_set_opts.restype = POINTER(SwrContext)
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swresample.swr_alloc_set_opts.argtypes = [POINTER(SwrContext),
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c_int64, c_int, c_int, c_int64,
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c_int, c_int, c_int, c_void_p]
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swresample.swr_init.restype = c_int
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swresample.swr_init.argtypes = [POINTER(SwrContext)]
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swresample.swr_free.argtypes = [POINTER(POINTER(SwrContext))]
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swresample.swr_convert.restype = c_int
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swresample.swr_convert.argtypes = [POINTER(SwrContext),
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POINTER(c_uint8) * SWR_CH_MAX,
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c_int,
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POINTER(POINTER(c_uint8)),
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c_int]
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swresample.swr_set_compensation.restype = c_int
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swresample.swr_set_compensation.argtypes = [POINTER(SwrContext),
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c_int, c_int]
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swresample.swr_get_out_samples.restype = c_int
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swresample.swr_get_out_samples.argtypes = [POINTER(SwrContext), c_int]
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__all__ = [
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'swresample',
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'SWR_CH_MAX',
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'SwrContext'
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]
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