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bext Version handling

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Jamie Hardt
2019-01-01 20:51:54 -08:00
parent ae09897abf
commit 41b599923a
3 changed files with 83 additions and 69 deletions
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36
wavinfo/wave_reader.py
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@@ -125,10 +125,26 @@ class WavInfoReader():
trimmed = bytes
decoded = trimmed.decode(encoding)
if len(decoded) > 0:
return decoded
else:
return None
return decoded
bext_version = unpacked[6]
if bext_version > 0:
umid = unpacked[6]
else:
umid = None
if bext_version > 1:
loudness_value = unpacked[8] / 100.0,
loudness_range = unpacked[9] / 100.0
max_true_peak = unpacked[10] / 100.0
max_momentary_loudness = unpacked[11] / 100.0
max_shortterm_loudness = unpacked[12] / 100.0
else:
loudness_value = None
loudness_range = None
max_true_peak = None
max_momentary_loudness = None
max_shortterm_loudness = None
return WavBextFormat(description=sanatize_bytes(unpacked[0]),
originator = sanatize_bytes(unpacked[1]),
@@ -137,12 +153,12 @@ class WavInfoReader():
originator_time = sanatize_bytes(unpacked[4]),
time_reference = unpacked[5],
version = unpacked[6],
umid = unpacked[7],
loudness_value = unpacked[8] / 100.0,
loudness_range = unpacked[9] / 100.0,
max_true_peak = unpacked[10] / 100.0,
max_momentary_loudness = unpacked[11] / 100.0,
max_shortterm_loudness = unpacked[12] / 100.0,
umid = umid,
loudness_value = loudness_value,
loudness_range = loudness_range,
max_true_peak = max_true_peak,
max_momentary_loudness = max_momentary_loudness,
max_shortterm_loudness = max_shortterm_loudness,
coding_history = sanatize_bytes(bext_data[rest_starts:])
)