856 lines
28 KiB
Python
856 lines
28 KiB
Python
############################################################
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# Vorbis license: #
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############################################################
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"""
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Copyright (c) 2002-2015 Xiph.org Foundation
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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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- 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 the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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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 FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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import ctypes
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import ctypes.util
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from traceback import print_exc as _print_exc
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import os
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OV_EXCLUDE_STATIC_CALLBACKS = False
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__MINGW32__ = False
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_WIN32 = False
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from .ogg import *
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from .library_loader import ExternalLibrary, ExternalLibraryError
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__here = os.getcwd()
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libvorbis = None
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try:
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names = {
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"Windows": "libvorbis.dll",
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"Darwin": "libvorbis.0.dylib",
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"external": "vorbis"
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}
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libvorbis = Library.load(names, tests = [lambda lib: hasattr(lib, "vorbis_info_init")])
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except ExternalLibraryError:
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pass
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except:
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_print_exc()
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libvorbisfile = None
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try:
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names = {
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"Windows": "libvorbisfile.dll",
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"Darwin": "libvorbisfile.3.dylib",
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"external": "vorbisfile"
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}
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libvorbisfile = Library.load(names, tests = [lambda lib: hasattr(lib, "ov_clear")])
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except ExternalLibraryError:
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pass
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except:
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_print_exc()
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libvorbisenc = None
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# In some cases, libvorbis may also have the libvorbisenc functionality.
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libvorbis_is_also_libvorbisenc = True
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for f in ("vorbis_encode_ctl",
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"vorbis_encode_init",
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"vorbis_encode_init_vbr",
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"vorbis_encode_setup_init",
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"vorbis_encode_setup_managed",
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"vorbis_encode_setup_vbr"):
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if not hasattr(libvorbis, f):
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libvorbis_is_also_libvorbisenc = False
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break
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if libvorbis_is_also_libvorbisenc:
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libvorbisenc = libvorbis
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else:
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try:
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names = {
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"Windows": "libvorbisenc.dll",
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"Darwin": "libvorbisenc.2.dylib",
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"external": "vorbisenc"
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}
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libvorbisenc = Library.load(names, tests = [lambda lib: hasattr(lib, "vorbis_encode_init")])
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except ExternalLibraryError:
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pass
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except:
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_print_exc()
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if libvorbis is None:
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PYOGG_VORBIS_AVAIL = False
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else:
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PYOGG_VORBIS_AVAIL = True
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if libvorbisfile is None:
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PYOGG_VORBIS_FILE_AVAIL = False
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else:
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PYOGG_VORBIS_FILE_AVAIL = True
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if libvorbisenc is None:
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PYOGG_VORBIS_ENC_AVAIL = False
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else:
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PYOGG_VORBIS_ENC_AVAIL = True
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# FIXME: What's the story with the lack of checking for PYOGG_VORBIS_ENC_AVAIL?
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# We just seem to assume that it's available.
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if PYOGG_OGG_AVAIL and PYOGG_VORBIS_AVAIL and PYOGG_VORBIS_FILE_AVAIL:
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# Sanity check also satisfies mypy type checking
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assert libogg is not None
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assert libvorbis is not None
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assert libvorbisfile is not None
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# codecs
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class vorbis_info(ctypes.Structure):
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"""
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Wrapper for:
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typedef struct vorbis_info vorbis_info;
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"""
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_fields_ = [("version", c_int),
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("channels", c_int),
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("rate", c_long),
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("bitrate_upper", c_long),
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("bitrate_nominal", c_long),
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("bitrate_lower", c_long),
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("bitrate_window", c_long),
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("codec_setup", c_void_p)]
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class vorbis_dsp_state(ctypes.Structure):
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"""
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Wrapper for:
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typedef struct vorbis_dsp_state vorbis_dsp_state;
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"""
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_fields_ = [("analysisp", c_int),
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("vi", POINTER(vorbis_info)),
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("pcm", c_float_p_p),
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("pcmret", c_float_p_p),
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("pcm_storage", c_int),
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("pcm_current", c_int),
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("pcm_returned", c_int),
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("preextrapolate", c_int),
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("eofflag", c_int),
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("lW", c_long),
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("W", c_long),
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("nW", c_long),
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("centerW", c_long),
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("granulepos", ogg_int64_t),
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("sequence", ogg_int64_t),
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("glue_bits", ogg_int64_t),
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("time_bits", ogg_int64_t),
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("floor_bits", ogg_int64_t),
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("res_bits", ogg_int64_t),
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("backend_state", c_void_p)]
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class alloc_chain(ctypes.Structure):
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"""
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Wrapper for:
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typedef struct alloc_chain;
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"""
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pass
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alloc_chain._fields_ = [("ptr", c_void_p),
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("next", POINTER(alloc_chain))]
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class vorbis_block(ctypes.Structure):
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"""
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Wrapper for:
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typedef struct vorbis_block vorbis_block;
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"""
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_fields_ = [("pcm", c_float_p_p),
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("opb", oggpack_buffer),
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("lW", c_long),
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("W", c_long),
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("nW", c_long),
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("pcmend", c_int),
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("mode", c_int),
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("eofflag", c_int),
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("granulepos", ogg_int64_t),
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("sequence", ogg_int64_t),
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("vd", POINTER(vorbis_dsp_state)),
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("localstore", c_void_p),
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("localtop", c_long),
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("localalloc", c_long),
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("totaluse", c_long),
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("reap", POINTER(alloc_chain)),
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("glue_bits", c_long),
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("time_bits", c_long),
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("floor_bits", c_long),
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("res_bits", c_long),
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("internal", c_void_p)]
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class vorbis_comment(ctypes.Structure):
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"""
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Wrapper for:
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typedef struct vorbis_comment vorbis_comment;
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"""
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_fields_ = [("user_comments", c_char_p_p),
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("comment_lengths", c_int_p),
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("comments", c_int),
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("vendor", c_char_p)]
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vi_p = POINTER(vorbis_info)
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vc_p = POINTER(vorbis_comment)
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vd_p = POINTER(vorbis_dsp_state)
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vb_p = POINTER(vorbis_block)
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libvorbis.vorbis_info_init.restype = None
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libvorbis.vorbis_info_init.argtypes = [vi_p]
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def vorbis_info_init(vi):
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libvorbis.vorbis_info_init(vi)
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libvorbis.vorbis_info_clear.restype = None
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libvorbis.vorbis_info_clear.argtypes = [vi_p]
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def vorbis_info_clear(vi):
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libvorbis.vorbis_info_clear(vi)
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libvorbis.vorbis_info_blocksize.restype = c_int
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libvorbis.vorbis_info_blocksize.argtypes = [vi_p, c_int]
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def vorbis_info_blocksize(vi, zo):
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return libvorbis.vorbis_info_blocksize(vi, zo)
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libvorbis.vorbis_comment_init.restype = None
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libvorbis.vorbis_comment_init.argtypes = [vc_p]
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def vorbis_comment_init(vc):
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libvorbis.vorbis_comment_init(vc)
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libvorbis.vorbis_comment_add.restype = None
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libvorbis.vorbis_comment_add.argtypes = [vc_p, c_char_p]
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def vorbis_comment_add(vc, comment):
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libvorbis.vorbis_comment_add(vc, comment)
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libvorbis.vorbis_comment_add_tag.restype = None
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libvorbis.vorbis_comment_add_tag.argtypes = [vc_p, c_char_p, c_char_p]
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def vorbis_comment_add_tag(vc, tag, comment):
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libvorbis.vorbis_comment_add_tag(vc, tag, comment)
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libvorbis.vorbis_comment_query.restype = c_char_p
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libvorbis.vorbis_comment_query.argtypes = [vc_p, c_char_p, c_int]
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def vorbis_comment_query(vc, tag, count):
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libvorbis.vorbis_comment_query(vc, tag, count)
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libvorbis.vorbis_comment_query_count.restype = c_int
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libvorbis.vorbis_comment_query_count.argtypes = [vc_p, c_char_p]
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def vorbis_comment_query_count(vc, tag):
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libvorbis.vorbis_comment_query_count(vc, tag)
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libvorbis.vorbis_comment_clear.restype = None
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libvorbis.vorbis_comment_clear.argtypes = [vc_p]
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def vorbis_comment_clear(vc):
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libvorbis.vorbis_comment_clear(vc)
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libvorbis.vorbis_block_init.restype = c_int
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libvorbis.vorbis_block_init.argtypes = [vd_p, vb_p]
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def vorbis_block_init(v,vb):
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return libvorbis.vorbis_block_init(v,vb)
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libvorbis.vorbis_block_clear.restype = c_int
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libvorbis.vorbis_block_clear.argtypes = [vb_p]
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def vorbis_block_clear(vb):
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return libvorbis.vorbis_block_clear(vb)
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libvorbis.vorbis_dsp_clear.restype = None
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libvorbis.vorbis_dsp_clear.argtypes = [vd_p]
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def vorbis_dsp_clear(v):
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return libvorbis.vorbis_dsp_clear(v)
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libvorbis.vorbis_granule_time.restype = c_double
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libvorbis.vorbis_granule_time.argtypes = [vd_p, ogg_int64_t]
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def vorbis_granule_time(v, granulepos):
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return libvorbis.vorbis_granule_time(v, granulepos)
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libvorbis.vorbis_version_string.restype = c_char_p
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libvorbis.vorbis_version_string.argtypes = []
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def vorbis_version_string():
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return libvorbis.vorbis_version_string()
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libvorbis.vorbis_analysis_init.restype = c_int
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libvorbis.vorbis_analysis_init.argtypes = [vd_p, vi_p]
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def vorbis_analysis_init(v, vi):
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return libvorbis.vorbis_analysis_init(v, vi)
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libvorbis.vorbis_commentheader_out.restype = c_int
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libvorbis.vorbis_commentheader_out.argtypes = [vc_p, op_p]
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def vorbis_commentheader_out(vc, op):
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return libvorbis.vorbis_commentheader_out(vc, op)
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libvorbis.vorbis_analysis_headerout.restype = c_int
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libvorbis.vorbis_analysis_headerout.argtypes = [vd_p, vc_p, op_p, op_p, op_p]
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def vorbis_analysis_headerout(v,vc, op, op_comm, op_code):
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return libvorbis.vorbis_analysis_headerout(v,vc, op, op_comm, op_code)
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libvorbis.vorbis_analysis_buffer.restype = c_float_p_p
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libvorbis.vorbis_analysis_buffer.argtypes = [vd_p, c_int]
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def vorbis_analysis_buffer(v, vals):
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return libvorbis.vorbis_analysis_buffer(v, vals)
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libvorbis.vorbis_analysis_wrote.restype = c_int
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libvorbis.vorbis_analysis_wrote.argtypes = [vd_p, c_int]
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def vorbis_analysis_wrote(v, vals):
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return libvorbis.vorbis_analysis_wrote(v, vals)
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libvorbis.vorbis_analysis_blockout.restype = c_int
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libvorbis.vorbis_analysis_blockout.argtypes = [vd_p, vb_p]
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def vorbis_analysis_blockout(v, vb):
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return libvorbis.vorbis_analysis_blockout(v, vb)
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libvorbis.vorbis_analysis.restype = c_int
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libvorbis.vorbis_analysis.argtypes = [vb_p, op_p]
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def vorbis_analysis(vb, op):
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return libvorbis.vorbis_analysis(vb, op)
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libvorbis.vorbis_bitrate_addblock.restype = c_int
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libvorbis.vorbis_bitrate_addblock.argtypes = [vb_p]
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def vorbis_bitrate_addblock(vb):
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return libvorbis.vorbis_bitrate_addblock(vb)
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libvorbis.vorbis_bitrate_flushpacket.restype = c_int
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libvorbis.vorbis_bitrate_flushpacket.argtypes = [vd_p, op_p]
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def vorbis_bitrate_flushpacket(vd, op):
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return libvorbis.vorbis_bitrate_flushpacket(vd, op)
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libvorbis.vorbis_synthesis_idheader.restype = c_int
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libvorbis.vorbis_synthesis_idheader.argtypes = [op_p]
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def vorbis_synthesis_idheader(op):
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return libvorbis.vorbis_synthesis_idheader(op)
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libvorbis.vorbis_synthesis_headerin.restype = c_int
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libvorbis.vorbis_synthesis_headerin.argtypes = [vi_p, vc_p, op_p]
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def vorbis_synthesis_headerin(vi, vc, op):
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return libvorbis.vorbis_synthesis_headerin(vi, vc, op)
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libvorbis.vorbis_synthesis_init.restype = c_int
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libvorbis.vorbis_synthesis_init.argtypes = [vd_p, vi_p]
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def vorbis_synthesis_init(v,vi):
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return libvorbis.vorbis_synthesis_init(v,vi)
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libvorbis.vorbis_synthesis_restart.restype = c_int
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libvorbis.vorbis_synthesis_restart.argtypes = [vd_p]
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def vorbis_synthesis_restart(v):
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return libvorbis.vorbis_synthesis_restart(v)
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libvorbis.vorbis_synthesis.restype = c_int
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libvorbis.vorbis_synthesis.argtypes = [vb_p, op_p]
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def vorbis_synthesis(vb, op):
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return libvorbis.vorbis_synthesis(vb, op)
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libvorbis.vorbis_synthesis_trackonly.restype = c_int
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libvorbis.vorbis_synthesis_trackonly.argtypes = [vb_p, op_p]
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def vorbis_synthesis_trackonly(vb, op):
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return libvorbis.vorbis_synthesis_trackonly(vb, op)
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libvorbis.vorbis_synthesis_blockin.restype = c_int
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libvorbis.vorbis_synthesis_blockin.argtypes = [vd_p, vb_p]
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def vorbis_synthesis_blockin(v, vb):
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return libvorbis.vorbis_synthesis_blockin(v, vb)
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libvorbis.vorbis_synthesis_pcmout.restype = c_int
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libvorbis.vorbis_synthesis_pcmout.argtypes = [vd_p, c_float_p_p_p]
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def vorbis_synthesis_pcmout(v, pcm):
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return libvorbis.vorbis_synthesis_pcmout(v, pcm)
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libvorbis.vorbis_synthesis_lapout.restype = c_int
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libvorbis.vorbis_synthesis_lapout.argtypes = [vd_p, c_float_p_p_p]
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def vorbis_synthesis_lapout(v, pcm):
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return libvorbis.vorbis_synthesis_lapout(v, pcm)
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libvorbis.vorbis_synthesis_read.restype = c_int
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libvorbis.vorbis_synthesis_read.argtypes = [vd_p, c_int]
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def vorbis_synthesis_read(v, samples):
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return libvorbis.vorbis_synthesis_read(v, samples)
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libvorbis.vorbis_packet_blocksize.restype = c_long
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libvorbis.vorbis_packet_blocksize.argtypes = [vi_p, op_p]
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def vorbis_packet_blocksize(vi, op):
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return libvorbis.vorbis_packet_blocksize(vi, op)
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libvorbis.vorbis_synthesis_halfrate.restype = c_int
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libvorbis.vorbis_synthesis_halfrate.argtypes = [vi_p, c_int]
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def vorbis_synthesis_halfrate(v, flag):
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return libvorbis.vorbis_synthesis_halfrate(v, flag)
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libvorbis.vorbis_synthesis_halfrate_p.restype = c_int
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libvorbis.vorbis_synthesis_halfrate_p.argtypes = [vi_p]
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def vorbis_synthesis_halfrate_p(vi):
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return libvorbis.vorbis_synthesis_halfrate_p(vi)
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OV_FALSE = -1
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OV_EOF = -2
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OV_HOLE = -3
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OV_EREAD = -128
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OV_EFAULT = -129
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OV_EIMPL =-130
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OV_EINVAL =-131
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OV_ENOTVORBIS =-132
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OV_EBADHEADER =-133
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OV_EVERSION =-134
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OV_ENOTAUDIO =-135
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|
OV_EBADPACKET =-136
|
|
OV_EBADLINK =-137
|
|
OV_ENOSEEK =-138
|
|
# end of codecs
|
|
|
|
# vorbisfile
|
|
read_func = ctypes.CFUNCTYPE(c_size_t,
|
|
c_void_p,
|
|
c_size_t,
|
|
c_size_t,
|
|
c_void_p)
|
|
|
|
seek_func = ctypes.CFUNCTYPE(c_int,
|
|
c_void_p,
|
|
ogg_int64_t,
|
|
c_int)
|
|
|
|
close_func = ctypes.CFUNCTYPE(c_int,
|
|
c_void_p)
|
|
|
|
tell_func = ctypes.CFUNCTYPE(c_long,
|
|
c_void_p)
|
|
|
|
class ov_callbacks(ctypes.Structure):
|
|
"""
|
|
Wrapper for:
|
|
typedef struct ov_callbacks;
|
|
"""
|
|
|
|
_fields_ = [("read_func", read_func),
|
|
("seek_func", seek_func),
|
|
("close_func", close_func),
|
|
("tell_func", tell_func)]
|
|
|
|
NOTOPEN = 0
|
|
PARTOPEN = 1
|
|
OPENED = 2
|
|
STREAMSET = 3
|
|
INITSET = 4
|
|
|
|
class OggVorbis_File(ctypes.Structure):
|
|
"""
|
|
Wrapper for:
|
|
typedef struct OggVorbis_File OggVorbis_File;
|
|
"""
|
|
|
|
_fields_ = [("datasource", c_void_p),
|
|
("seekable", c_int),
|
|
("offset", ogg_int64_t),
|
|
("end", ogg_int64_t),
|
|
("oy", ogg_sync_state),
|
|
|
|
("links", c_int),
|
|
("offsets", ogg_int64_t_p),
|
|
("dataoffsets", ogg_int64_t_p),
|
|
("serialnos", c_long_p),
|
|
("pcmlengths", ogg_int64_t_p),
|
|
("vi", vi_p),
|
|
("vc", vc_p),
|
|
|
|
("pcm_offset", ogg_int64_t),
|
|
("ready_state", c_int),
|
|
("current_serialno", c_long),
|
|
("current_link", c_int),
|
|
|
|
("bittrack", c_double),
|
|
("samptrack", c_double),
|
|
|
|
("os", ogg_stream_state),
|
|
|
|
("vd", vorbis_dsp_state),
|
|
("vb", vorbis_block),
|
|
|
|
("callbacks", ov_callbacks)]
|
|
vf_p = POINTER(OggVorbis_File)
|
|
|
|
libvorbisfile.ov_clear.restype = c_int
|
|
libvorbisfile.ov_clear.argtypes = [vf_p]
|
|
|
|
def ov_clear(vf):
|
|
return libvorbisfile.ov_clear(vf)
|
|
|
|
libvorbisfile.ov_fopen.restype = c_int
|
|
libvorbisfile.ov_fopen.argtypes = [c_char_p, vf_p]
|
|
|
|
def ov_fopen(path, vf):
|
|
return libvorbisfile.ov_fopen(to_char_p(path), vf)
|
|
|
|
libvorbisfile.ov_open_callbacks.restype = c_int
|
|
libvorbisfile.ov_open_callbacks.argtypes = [c_void_p, vf_p, c_char_p, c_long, ov_callbacks]
|
|
|
|
def ov_open_callbacks(datasource, vf, initial, ibytes, callbacks):
|
|
return libvorbisfile.ov_open_callbacks(datasource, vf, initial, ibytes, callbacks)
|
|
|
|
def ov_open(*args, **kw):
|
|
raise PyOggError("ov_open is not supported, please use ov_fopen instead")
|
|
|
|
def ov_test(*args, **kw):
|
|
raise PyOggError("ov_test is not supported")
|
|
|
|
libvorbisfile.ov_test_callbacks.restype = c_int
|
|
libvorbisfile.ov_test_callbacks.argtypes = [c_void_p, vf_p, c_char_p, c_long, ov_callbacks]
|
|
|
|
def ov_test_callbacks(datasource, vf, initial, ibytes, callbacks):
|
|
return libvorbisfile.ov_test_callbacks(datasource, vf, initial, ibytes, callbacks)
|
|
|
|
libvorbisfile.ov_test_open.restype = c_int
|
|
libvorbisfile.ov_test_open.argtypes = [vf_p]
|
|
|
|
def ov_test_open(vf):
|
|
return libvorbisfile.ov_test_open(vf)
|
|
|
|
|
|
|
|
|
|
libvorbisfile.ov_bitrate.restype = c_long
|
|
libvorbisfile.ov_bitrate.argtypes = [vf_p, c_int]
|
|
|
|
def ov_bitrate(vf, i):
|
|
return libvorbisfile.ov_bitrate(vf, i)
|
|
|
|
libvorbisfile.ov_bitrate_instant.restype = c_long
|
|
libvorbisfile.ov_bitrate_instant.argtypes = [vf_p]
|
|
|
|
def ov_bitrate_instant(vf):
|
|
return libvorbisfile.ov_bitrate_instant(vf)
|
|
|
|
libvorbisfile.ov_streams.restype = c_long
|
|
libvorbisfile.ov_streams.argtypes = [vf_p]
|
|
|
|
def ov_streams(vf):
|
|
return libvorbisfile.ov_streams(vf)
|
|
|
|
libvorbisfile.ov_seekable.restype = c_long
|
|
libvorbisfile.ov_seekable.argtypes = [vf_p]
|
|
|
|
def ov_seekable(vf):
|
|
return libvorbisfile.ov_seekable(vf)
|
|
|
|
libvorbisfile.ov_serialnumber.restype = c_long
|
|
libvorbisfile.ov_serialnumber.argtypes = [vf_p, c_int]
|
|
|
|
def ov_serialnumber(vf, i):
|
|
return libvorbisfile.ov_serialnumber(vf, i)
|
|
|
|
|
|
|
|
libvorbisfile.ov_raw_total.restype = ogg_int64_t
|
|
libvorbisfile.ov_raw_total.argtypes = [vf_p, c_int]
|
|
|
|
def ov_raw_total(vf, i):
|
|
return libvorbisfile.ov_raw_total(vf, i)
|
|
|
|
libvorbisfile.ov_pcm_total.restype = ogg_int64_t
|
|
libvorbisfile.ov_pcm_total.argtypes = [vf_p, c_int]
|
|
|
|
def ov_pcm_total(vf, i):
|
|
return libvorbisfile.ov_pcm_total(vf, i)
|
|
|
|
libvorbisfile.ov_time_total.restype = c_double
|
|
libvorbisfile.ov_time_total.argtypes = [vf_p, c_int]
|
|
|
|
def ov_time_total(vf, i):
|
|
return libvorbisfile.ov_time_total(vf, i)
|
|
|
|
|
|
|
|
|
|
libvorbisfile.ov_raw_seek.restype = c_int
|
|
libvorbisfile.ov_raw_seek.argtypes = [vf_p, ogg_int64_t]
|
|
|
|
def ov_raw_seek(vf, pos):
|
|
return libvorbisfile.ov_raw_seek(vf, pos)
|
|
|
|
libvorbisfile.ov_pcm_seek.restype = c_int
|
|
libvorbisfile.ov_pcm_seek.argtypes = [vf_p, ogg_int64_t]
|
|
|
|
def ov_pcm_seek(vf, pos):
|
|
return libvorbisfile.ov_pcm_seek(vf, pos)
|
|
|
|
libvorbisfile.ov_pcm_seek_page.restype = c_int
|
|
libvorbisfile.ov_pcm_seek_page.argtypes = [vf_p, ogg_int64_t]
|
|
|
|
def ov_pcm_seek_page(vf, pos):
|
|
return libvorbisfile.ov_pcm_seek_page(vf, pos)
|
|
|
|
libvorbisfile.ov_time_seek.restype = c_int
|
|
libvorbisfile.ov_time_seek.argtypes = [vf_p, c_double]
|
|
|
|
def ov_time_seek(vf, pos):
|
|
return libvorbisfile.ov_time_seek(vf, pos)
|
|
|
|
libvorbisfile.ov_time_seek_page.restype = c_int
|
|
libvorbisfile.ov_time_seek_page.argtypes = [vf_p, c_double]
|
|
|
|
def ov_time_seek_page(vf, pos):
|
|
return libvorbisfile.ov_time_seek_page(vf, pos)
|
|
|
|
|
|
|
|
|
|
libvorbisfile.ov_raw_seek_lap.restype = c_int
|
|
libvorbisfile.ov_raw_seek_lap.argtypes = [vf_p, ogg_int64_t]
|
|
|
|
def ov_raw_seek_lap(vf, pos):
|
|
return libvorbisfile.ov_raw_seek_lap(vf, pos)
|
|
|
|
libvorbisfile.ov_pcm_seek_lap.restype = c_int
|
|
libvorbisfile.ov_pcm_seek_lap.argtypes = [vf_p, ogg_int64_t]
|
|
|
|
def ov_pcm_seek_lap(vf, pos):
|
|
return libvorbisfile.ov_pcm_seek_lap(vf, pos)
|
|
|
|
libvorbisfile.ov_pcm_seek_page_lap.restype = c_int
|
|
libvorbisfile.ov_pcm_seek_page_lap.argtypes = [vf_p, ogg_int64_t]
|
|
|
|
def ov_pcm_seek_page_lap(vf, pos):
|
|
return libvorbisfile.ov_pcm_seek_page_lap(vf, pos)
|
|
|
|
libvorbisfile.ov_time_seek_lap.restype = c_int
|
|
libvorbisfile.ov_time_seek_lap.argtypes = [vf_p, c_double]
|
|
|
|
def ov_time_seek_lap(vf, pos):
|
|
return libvorbisfile.ov_time_seek_lap(vf, pos)
|
|
|
|
libvorbisfile.ov_time_seek_page_lap.restype = c_int
|
|
libvorbisfile.ov_time_seek_page_lap.argtypes = [vf_p, c_double]
|
|
|
|
def ov_time_seek_page_lap(vf, pos):
|
|
return libvorbisfile.ov_time_seek_page_lap(vf, pos)
|
|
|
|
|
|
|
|
libvorbisfile.ov_raw_tell.restype = ogg_int64_t
|
|
libvorbisfile.ov_raw_tell.argtypes = [vf_p]
|
|
|
|
def ov_raw_tell(vf):
|
|
return libvorbisfile.ov_raw_tell(vf)
|
|
|
|
libvorbisfile.ov_pcm_tell.restype = ogg_int64_t
|
|
libvorbisfile.ov_pcm_tell.argtypes = [vf_p]
|
|
|
|
def ov_pcm_tell(vf):
|
|
return libvorbisfile.ov_pcm_tell(vf)
|
|
|
|
libvorbisfile.ov_time_tell.restype = c_double
|
|
libvorbisfile.ov_time_tell.argtypes = [vf_p]
|
|
|
|
def ov_time_tell(vf):
|
|
return libvorbisfile.ov_time_tell(vf)
|
|
|
|
|
|
|
|
libvorbisfile.ov_info.restype = vi_p
|
|
libvorbisfile.ov_info.argtypes = [vf_p, c_int]
|
|
|
|
def ov_info(vf, link):
|
|
return libvorbisfile.ov_info(vf, link)
|
|
|
|
libvorbisfile.ov_comment.restype = vc_p
|
|
libvorbisfile.ov_comment.argtypes = [vf_p, c_int]
|
|
|
|
def ov_comment(vf, link):
|
|
return libvorbisfile.ov_comment(vf, link)
|
|
|
|
|
|
|
|
libvorbisfile.ov_read_float.restype = c_long
|
|
libvorbisfile.ov_read_float.argtypes = [vf_p, c_float_p_p_p, c_int, c_int_p]
|
|
|
|
def ov_read_float(vf, pcm_channels, samples, bitstream):
|
|
return libvorbisfile.ov_read_float(vf, pcm_channels, samples, bitstream)
|
|
|
|
filter_ = ctypes.CFUNCTYPE(None,
|
|
c_float_p_p,
|
|
c_long,
|
|
c_long,
|
|
c_void_p)
|
|
|
|
try:
|
|
libvorbisfile.ov_read_filter.restype = c_long
|
|
libvorbisfile.ov_read_filter.argtypes = [vf_p, c_char_p, c_int, c_int, c_int, c_int, c_int_p, filter_, c_void_p]
|
|
|
|
def ov_read_filter(vf, buffer, length, bigendianp, word, sgned, bitstream, filter_, filter_param):
|
|
return libvorbisfile.ov_read_filter(vf, buffer, length, bigendianp, word, sgned, bitstream, filter_, filter_param)
|
|
except:
|
|
pass
|
|
|
|
libvorbisfile.ov_read.restype = c_long
|
|
libvorbisfile.ov_read.argtypes = [vf_p, c_char_p, c_int, c_int, c_int, c_int, c_int_p]
|
|
|
|
def ov_read(vf, buffer, length, bigendianp, word, sgned, bitstream):
|
|
return libvorbisfile.ov_read(vf, buffer, length, bigendianp, word, sgned, bitstream)
|
|
|
|
libvorbisfile.ov_crosslap.restype = c_int
|
|
libvorbisfile.ov_crosslap.argtypes = [vf_p, vf_p]
|
|
|
|
def ov_crosslap(vf1, cf2):
|
|
return libvorbisfile.ov_crosslap(vf1, vf2)
|
|
|
|
|
|
|
|
|
|
libvorbisfile.ov_halfrate.restype = c_int
|
|
libvorbisfile.ov_halfrate.argtypes = [vf_p, c_int]
|
|
|
|
def ov_halfrate(vf, flag):
|
|
return libvorbisfile.ov_halfrate(vf, flag)
|
|
|
|
libvorbisfile.ov_halfrate_p.restype = c_int
|
|
libvorbisfile.ov_halfrate_p.argtypes = [vf_p]
|
|
|
|
def ov_halfrate_p(vf):
|
|
return libvorbisfile.ov_halfrate_p(vf)
|
|
# end of vorbisfile
|
|
|
|
try:
|
|
# vorbisenc
|
|
|
|
# Sanity check also satisfies mypy type checking
|
|
assert libvorbisenc is not None
|
|
|
|
libvorbisenc.vorbis_encode_init.restype = c_int
|
|
libvorbisenc.vorbis_encode_init.argtypes = [vi_p, c_long, c_long, c_long, c_long, c_long]
|
|
|
|
def vorbis_encode_init(vi, channels, rate, max_bitrate, nominal_bitrate, min_bitrate):
|
|
return libvorbisenc.vorbis_encode_init(vi, channels, rate, max_bitrate, nominal_bitrate, min_bitrate)
|
|
|
|
libvorbisenc.vorbis_encode_setup_managed.restype = c_int
|
|
libvorbisenc.vorbis_encode_setup_managed.argtypes = [vi_p, c_long, c_long, c_long, c_long, c_long]
|
|
|
|
def vorbis_encode_setup_managed(vi, channels, rate, max_bitrate, nominal_bitrate, min_bitrate):
|
|
return libvorbisenc.vorbis_encode_setup_managed(vi, channels, rate, max_bitrate, nominal_bitrate, min_bitrate)
|
|
|
|
libvorbisenc.vorbis_encode_setup_vbr.restype = c_int
|
|
libvorbisenc.vorbis_encode_setup_vbr.argtypes = [vi_p, c_long, c_long, c_float]
|
|
|
|
def vorbis_encode_setup_vbr(vi, channels, rate, quality):
|
|
return libvorbisenc.vorbis_encode_setup_vbr(vi, channels, rate, quality)
|
|
|
|
libvorbisenc.vorbis_encode_init_vbr.restype = c_int
|
|
libvorbisenc.vorbis_encode_init_vbr.argtypes = [vi_p, c_long, c_long, c_float]
|
|
|
|
def vorbis_encode_init_vbr(vi, channels, rate, quality):
|
|
return libvorbisenc.vorbis_encode_init_vbr(vi, channels, rate, quality)
|
|
|
|
libvorbisenc.vorbis_encode_setup_init.restype = c_int
|
|
libvorbisenc.vorbis_encode_setup_init.argtypes = [vi_p]
|
|
|
|
def vorbis_encode_setup_init(vi):
|
|
return libvorbisenc.vorbis_encode_setup_init(vi)
|
|
|
|
libvorbisenc.vorbis_encode_ctl.restype = c_int
|
|
libvorbisenc.vorbis_encode_ctl.argtypes = [vi_p, c_int, c_void_p]
|
|
|
|
def vorbis_encode_ctl(vi, number, arg):
|
|
return libvorbisenc.vorbis_encode_ctl(vi, number, arg)
|
|
|
|
class ovectl_ratemanage_arg(ctypes.Structure):
|
|
_fields_ = [("management_active", c_int),
|
|
("bitrate_hard_min", c_long),
|
|
("bitrate_hard_max", c_long),
|
|
("bitrate_hard_window", c_double),
|
|
("bitrate_av_lo", c_long),
|
|
("bitrate_av_hi", c_long),
|
|
("bitrate_av_window", c_double),
|
|
("bitrate_av_window_center", c_double)]
|
|
|
|
class ovectl_ratemanage2_arg(ctypes.Structure):
|
|
_fields_ = [("management_active", c_int),
|
|
("bitrate_limit_min_kbps", c_long),
|
|
("bitrate_limit_max_kbps", c_long),
|
|
("bitrate_limit_reservoir_bits", c_long),
|
|
("bitrate_limit_reservoir_bias", c_double),
|
|
("bitrate_average_kbps", c_long),
|
|
("bitrate_average_damping", c_double)]
|
|
|
|
OV_ECTL_RATEMANAGE2_GET =0x14
|
|
|
|
OV_ECTL_RATEMANAGE2_SET =0x15
|
|
|
|
OV_ECTL_LOWPASS_GET =0x20
|
|
|
|
OV_ECTL_LOWPASS_SET =0x21
|
|
|
|
OV_ECTL_IBLOCK_GET =0x30
|
|
|
|
OV_ECTL_IBLOCK_SET =0x31
|
|
|
|
OV_ECTL_COUPLING_GET =0x40
|
|
|
|
OV_ECTL_COUPLING_SET =0x41
|
|
|
|
OV_ECTL_RATEMANAGE_GET =0x10
|
|
|
|
OV_ECTL_RATEMANAGE_SET =0x11
|
|
|
|
OV_ECTL_RATEMANAGE_AVG =0x12
|
|
|
|
OV_ECTL_RATEMANAGE_HARD =0x13
|
|
# end of vorbisenc
|
|
except:
|
|
pass
|