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gh-77171 Support WAVE_FORMAT_EXTENSIBLE in the wave module (GH-96777)

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The test file, a modified version of Lib/test/audiodata/pluck-pcm24.wav, was provided by Andrea Celletti on the bug tracker.

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
This commit is contained in:
Yusuke Kadowaki 2022-09-14 22:34:40 +09:00 • committed by GitHub
parent 4781535a57
commit 92338f8f19
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4 changed files with 46 additions and 8 deletions
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30
Lib/test/test_wave.py
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@ -77,6 +77,33 @@ class WavePCM24Test(WaveTest, unittest.TestCase):
frames = wave._byteswap(frames, 3)
class WavePCM24ExtTest(WaveTest, unittest.TestCase):
sndfilename = 'pluck-pcm24-ext.wav'
sndfilenframes = 3307
nchannels = 2
sampwidth = 3
framerate = 11025
nframes = 48
comptype = 'NONE'
compname = 'not compressed'
frames = bytes.fromhex("""\
022D65FFEB9D 4B5A0F00FA54 3113C304EE2B 80DCD6084303 \
CBDEC006B261 48A99803F2F8 BFE82401B07D 036BFBFE7B5D \
B85756FA3EC9 B4B055F3502B 299830EBCB62 1A5CA7E6D99A \
EDFA3EE491BD C625EBE27884 0E05A9E0B6CF EF2929E02922 \
5758D8E27067 FB3557E83E16 1377BFEF8402 D82C5BF7272A \
978F16FB7745 F5F865FC1013 086635FB9C4E DF30FCFB40EE \
117FE0FA3438 3EE6B8FB5AC3 BC77A3FCB2F4 66D6DAFF5F32 \
CF13B9041275 431D69097A8C C1BB600EC74E 5120B912A2BA \
EEDF641754C0 8207001664B7 7FFFFF14453F 8000001294E6 \
499C1B0EB3B2 52B73E0DBCA0 EFB2B20F5FD8 CE3CDB0FBE12 \
E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
""")
if sys.byteorder != 'big':
frames = wave._byteswap(frames, 3)
class WavePCM32Test(WaveTest, unittest.TestCase):
sndfilename = 'pluck-pcm32.wav'
sndfilenframes = 3307
@ -106,7 +133,8 @@ class WavePCM32Test(WaveTest, unittest.TestCase):
class MiscTestCase(unittest.TestCase):
def test__all__(self):
support.check__all__(self, wave, not_exported={'WAVE_FORMAT_PCM'})
not_exported = {'WAVE_FORMAT_PCM', 'WAVE_FORMAT_EXTENSIBLE'}
support.check__all__(self, wave, not_exported=not_exported)
class WaveLowLevelTest(unittest.TestCase):