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Removed dead code
This commit is contained in:
Jamie Hardt
2019-01-03 18:24:36 -08:00
parent ed8b5f167e
commit 477c71830e
2 changed files with 23 additions and 13 deletions
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10
wavinfo/__init__.py
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@@ -1,3 +1,13 @@
# -*- coding: utf-8 -*-
# :module:`wavinfo` provides methods to probe a WAV file for
# various kinds of production metadata.
#
#
#
#
from .wave_reader import WavInfoReader from .wave_reader import WavInfoReader
__version__ = 1.0 __version__ = 1.0

26
wavinfo/wave_reader.py
View File

@@ -1,3 +1,4 @@
#-*- coding: utf-8 -*-
import struct import struct
from collections import namedtuple from collections import namedtuple
@@ -9,35 +10,31 @@ from .wave_info_reader import WavInfoChunkReader
WavDataDescriptor = namedtuple('WavDataDescriptor','byte_count frame_count') WavDataDescriptor = namedtuple('WavDataDescriptor','byte_count frame_count')
WavInfoFormat = namedtuple("WavInfoFormat",'audio_format channel_count sample_rate byte_rate block_align bits_per_sample') #: The format of the audio samples
WavAudioFormat = namedtuple("WavInfoFormat",'audio_format channel_count sample_rate byte_rate block_align bits_per_sample')
WavBextFormat = namedtuple("WavBextFormat",'description originator originator_ref ' +
'originator_date originator_time time_reference version umid ' +
'loudness_value loudness_range max_true_peak max_momentary_loudness max_shortterm_loudness ' +
'coding_history')
class WavInfoReader(): class WavInfoReader():
""" """
format : WAV format Parse a WAV audio file for metadata.
bext : The Broadcast-WAV extension as definied by EBU Tech 3285 v2 (2011)
""" """
def __init__(self, path, info_encoding='latin_1', bext_encoding='ascii'): def __init__(self, path, info_encoding='latin_1', bext_encoding='ascii'):
""" """
Parse a WAV audio file for metadata. Create a new reader object.
* `path`: A filesystem path to the wav file you wish to probe. :param path: A filesystem path to the wav file you wish to probe.
* `info_encoding`: The text encoding of the INFO metadata fields. :param info_encoding: The text encoding of the INFO metadata fields.
`latin_1`/Win CP1252 has always been a pretty good guess for this. `latin_1`/Win CP1252 has always been a pretty good guess for this.
* `bext_encoding`: The text encoding to use when decoding the string :param bext_encoding: The text encoding to use when decoding the string
fields of the Broadcast-WAV extension. Per EBU 3285 this is ASCII fields of the Broadcast-WAV extension. Per EBU 3285 this is ASCII
but this parameter is available to you if you encounter a werido. but this parameter is available to you if you encounter a werido.
""" """
with open(path, 'rb') as f: with open(path, 'rb') as f:
chunks = parse_chunk(f) chunks = parse_chunk(f)
@@ -45,7 +42,10 @@ class WavInfoReader():
f.seek(0) f.seek(0)
self.fmt = self._get_format(f) self.fmt = self._get_format(f)
#: Broadcast-WAV Metadata
self.bext = self._get_bext(f, encoding=bext_encoding) self.bext = self._get_bext(f, encoding=bext_encoding)
#: iXML Metadata
self.ixml = self._get_ixml(f) self.ixml = self._get_ixml(f)
self.info = self._get_info(f, encoding=info_encoding) self.info = self._get_info(f, encoding=info_encoding)
self.data = self._describe_data(f) self.data = self._describe_data(f)
@@ -94,7 +94,7 @@ class WavInfoReader():
#0xFFFE WAVE_FORMAT_EXTENSIBLE Determined by SubFormat #0xFFFE WAVE_FORMAT_EXTENSIBLE Determined by SubFormat
#https://sno.phy.queensu.ca/~phil/exiftool/TagNames/RIFF.html #https://sno.phy.queensu.ca/~phil/exiftool/TagNames/RIFF.html
return WavInfoFormat(audio_format = unpacked[0], return WavAudioFormat(audio_format = unpacked[0],
channel_count = unpacked[1], channel_count = unpacked[1],
sample_rate = unpacked[2], sample_rate = unpacked[2],
byte_rate = unpacked[3], byte_rate = unpacked[3],