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emscripten-core
GitHub Repository: emscripten-core/emscripten
 Path: blob/main/tools/ports/mpg123.py
4130 views
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# Copyright 2020 The Emscripten Authors.  All rights reserved.

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# Emscripten is available under two separate licenses, the MIT license and the

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# University of Illinois/NCSA Open Source License.  Both these licenses can be

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# found in the LICENSE file.

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import os

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import shutil

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TAG = '1.26.2'

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HASH = 'aa63fcb08b243a1e09f7701b3d84a19d7412a87253d54d49f014fdb9e75bbc81d152a41ed750fccde901453929b2a001585a7645351b41845ad205c17a73dcc9'

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def needed(settings):

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  return settings.USE_MPG123

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def get(ports, settings, shared):

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  ports.fetch_project('mpg123', f'https://www.mpg123.de/download/mpg123-{TAG}.tar.bz2', sha512hash=HASH)

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  def create(final):

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    source_path = ports.get_dir('mpg123', 'mpg123-' + TAG)

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    src_path = os.path.join(source_path, 'src')

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    libmpg123_path = os.path.join(src_path, 'libmpg123')

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    compat_path = os.path.join(src_path, 'compat')

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    config_h = os.path.join(os.path.dirname(__file__), 'mpg123/config.h')

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    mpg123_h = os.path.join(os.path.dirname(__file__), 'mpg123/mpg123.h')

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    shutil.copyfile(config_h, os.path.join(src_path, 'config.h'))

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    shutil.copyfile(mpg123_h, os.path.join(libmpg123_path, 'mpg123.h'))

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    # copy header to a location so it can be used as 'MPG123/'

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    ports.install_headers(libmpg123_path, pattern="*123.h", target='')

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    ports.make_pkg_config('mpg123', TAG, '-sUSE_MPG123')

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    flags = [

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      '-DOPT_GENERIC',

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      '-DREAL_IS_FLOAT',

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      '-fomit-frame-pointer',

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      '-finline-functions',

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      '-ffast-math',

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      '-I' + src_path,

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      '-I' + compat_path,

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      '-I' + libmpg123_path,

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    ]

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    srcs = [

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      os.path.join(libmpg123_path, 'dct64.c'),

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      os.path.join(libmpg123_path, 'equalizer.c'),

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      os.path.join(libmpg123_path, 'feature.c'),

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      os.path.join(libmpg123_path, 'format.c'),

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      os.path.join(libmpg123_path, 'frame.c'),

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      os.path.join(libmpg123_path, 'icy.c'),

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      os.path.join(libmpg123_path, 'icy2utf8.c'),

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      os.path.join(libmpg123_path, 'id3.c'),

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      os.path.join(libmpg123_path, 'index.c'),

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      os.path.join(libmpg123_path, 'layer1.c'),

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      os.path.join(libmpg123_path, 'layer2.c'),

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      os.path.join(libmpg123_path, 'layer3.c'),

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      os.path.join(libmpg123_path, 'lfs_alias.c'),

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      os.path.join(libmpg123_path, 'libmpg123.c'),

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      os.path.join(libmpg123_path, 'ntom.c'),

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      os.path.join(libmpg123_path, 'optimize.c'),

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      os.path.join(libmpg123_path, 'parse.c'),

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      os.path.join(libmpg123_path, 'readers.c'),

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      os.path.join(libmpg123_path, 'stringbuf.c'),

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      os.path.join(libmpg123_path, 'synth.c'),

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      os.path.join(libmpg123_path, 'synth_8bit.c'),

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      os.path.join(libmpg123_path, 'synth_real.c'),

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      os.path.join(libmpg123_path, 'synth_s32.c'),

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      os.path.join(libmpg123_path, 'tabinit.c'),

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      os.path.join(compat_path, 'compat.c'),

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      os.path.join(compat_path, 'compat_dl.c'),

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      os.path.join(compat_path, 'compat_str.c'),

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    ]

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    ports.build_port(source_path, final, 'mpg123', flags=flags, srcs=srcs)

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  return [shared.cache.get_lib('libmpg123.a', create, what='port')]

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def clear(ports, settings, shared):

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  shared.cache.erase_lib('libmpg123.a')

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def show():

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  return 'mpg123 (-sUSE_MPG123 or --use-port=mpg123; zlib license)'

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