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Update mutagen to 1.45.1

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rembo10
2022-02-07 09:30:17 +05:30
parent e2db680b9e
commit f03b82e5f6
71 changed files with 3744 additions and 1953 deletions
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lib/mutagen/optimfrog.py
Executable → Regular
+27 -5
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@@ -22,12 +22,23 @@ __all__ = ["OptimFROG", "Open", "delete"]
import struct
from ._compat import endswith
from ._util import convert_error
from ._util import convert_error, endswith
from mutagen import StreamInfo
from mutagen.apev2 import APEv2File, error, delete
SAMPLE_TYPE_BITS = {
0: 8,
1: 8,
2: 16,
3: 16,
4: 24,
5: 24,
6: 32,
7: 32,
}
class OptimFROGHeaderError(error):
pass
@@ -41,6 +52,8 @@ class OptimFROGInfo(StreamInfo):
channels (`int`): number of audio channels
length (`float`): file length in seconds, as a float
sample_rate (`int`): audio sampling rate in Hz
bits_per_sample (`int`): the audio sample size
encoder_info (`mutagen.text`): encoder version, e.g. "5.100"
"""
@convert_error(IOError, OptimFROGHeaderError)
@@ -48,21 +61,30 @@ class OptimFROGInfo(StreamInfo):
"""Raises OptimFROGHeaderError"""
header = fileobj.read(76)
if (len(header) != 76 or not header.startswith(b"OFR ") or
struct.unpack("<I", header[4:8])[0] not in [12, 15]):
if len(header) != 76 or not header.startswith(b"OFR "):
raise OptimFROGHeaderError("not an OptimFROG file")
data_size = struct.unpack("<I", header[4:8])[0]
if data_size != 12 and data_size < 15:
raise OptimFROGHeaderError("not an OptimFROG file")
(total_samples, total_samples_high, sample_type, self.channels,
self.sample_rate) = struct.unpack("<IHBBI", header[8:20])
total_samples += total_samples_high << 32
self.channels += 1
self.bits_per_sample = SAMPLE_TYPE_BITS.get(sample_type)
if self.sample_rate:
self.length = float(total_samples) / (self.channels *
self.sample_rate)
else:
self.length = 0.0
if data_size >= 15:
encoder_id = struct.unpack("<H", header[20:22])[0]
version = str((encoder_id >> 4) + 4500)
self.encoder_info = "%s.%s" % (version[0], version[1:])
else:
self.encoder_info = ""
def pprint(self):
return "OptimFROG, %.2f seconds, %d Hz" % (self.length,
return u"OptimFROG, %.2f seconds, %d Hz" % (self.length,
self.sample_rate)