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gh-85525: Indicate supported sound header formats (#21575)

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* Indicate supported sound header formats

* modify file names

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
This commit is contained in:
Joannah Nanjekye 2022-10-15 09:30:05 -04:00 • committed by GitHub
parent 3c4cbd177f
commit 05c042e707
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2 changed files with 57 additions and 0 deletions
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8
Lib/sndhdr.py
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@ -77,6 +77,7 @@ def whathdr(filename):
tests = []
def test_aifc(h, f):
"""AIFC and AIFF files"""
with warnings.catch_warnings():
warnings.simplefilter('ignore', category=DeprecationWarning)
import aifc
@ -100,6 +101,7 @@ tests.append(test_aifc)
def test_au(h, f):
"""AU and SND files"""
if h.startswith(b'.snd'):
func = get_long_be
elif h[:4] in (b'\0ds.', b'dns.'):
@ -133,6 +135,7 @@ tests.append(test_au)
def test_hcom(h, f):
"""HCOM file"""
if h[65:69] != b'FSSD' or h[128:132] != b'HCOM':
return None
divisor = get_long_be(h[144:148])
@ -146,6 +149,7 @@ tests.append(test_hcom)
def test_voc(h, f):
"""VOC file"""
if not h.startswith(b'Creative Voice File\032'):
return None
sbseek = get_short_le(h[20:22])
@ -160,6 +164,7 @@ tests.append(test_voc)
def test_wav(h, f):
"""WAV file"""
import wave
# 'RIFF' <len> 'WAVE' 'fmt ' <len>
if not h.startswith(b'RIFF') or h[8:12] != b'WAVE' or h[12:16] != b'fmt ':
@ -176,6 +181,7 @@ tests.append(test_wav)
def test_8svx(h, f):
"""8SVX file"""
if not h.startswith(b'FORM') or h[8:12] != b'8SVX':
return None
# Should decode it to get #channels -- assume always 1
@ -185,6 +191,7 @@ tests.append(test_8svx)
def test_sndt(h, f):
"""SNDT file"""
if h.startswith(b'SOUND'):
nsamples = get_long_le(h[8:12])
rate = get_short_le(h[20:22])
@ -194,6 +201,7 @@ tests.append(test_sndt)
def test_sndr(h, f):
"""SNDR file"""
if h.startswith(b'\0\0'):
rate = get_short_le(h[2:4])
if 4000 <= rate <= 25000: