mirror of
https://github.com/iluvcapra/wavinfo.git
synced 2025-12-31 17:00:41 +00:00
101 lines
4.3 KiB
Python
101 lines
4.3 KiB
Python
import os.path
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import json
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import subprocess
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from subprocess import PIPE
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from unittest import TestCase
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import wavinfo
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FFPROBE='/usr/local/bin/ffprobe'
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def ffprobe(path):
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arguments = [ FFPROBE , "-of", "json" , "-show_format", "-show_streams", path ]
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process = subprocess.run(arguments, stdin=None, stdout=PIPE, stderr=PIPE)
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if process.returncode == 0:
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return json.loads(process.stdout)
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else:
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return None
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class TestWaveInfo(TestCase):
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def all_files(self):
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for dirpath, dirnames, filenames in os.walk('tests/test_files'):
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for filename in filenames:
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name, ext = os.path.splitext(filename)
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if ext == '.wav':
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yield os.path.join(dirpath, filename)
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def test_sanity(self):
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for wav_file in self.all_files():
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info = wavinfo.WavInfoReader(wav_file)
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self.assertTrue(info is not None)
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def test_fmt_against_ffprobe(self):
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for wav_file in self.all_files():
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info = wavinfo.WavInfoReader(wav_file)
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ffprobe_info = ffprobe(wav_file)
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self.assertEqual( info.fmt.channel_count , ffprobe_info['streams'][0]['channels'] )
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self.assertEqual( info.fmt.sample_rate , int(ffprobe_info['streams'][0]['sample_rate']) )
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self.assertEqual( info.fmt.bits_per_sample, int(ffprobe_info['streams'][0]['bits_per_raw_sample']) )
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if info.fmt.audio_format == 1:
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self.assertTrue(ffprobe_info['streams'][0]['codec_name'].startswith('pcm') )
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byte_rate = int(ffprobe_info['streams'][0]['sample_rate']) \
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* ffprobe_info['streams'][0]['channels'] \
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* int(ffprobe_info['streams'][0]['bits_per_raw_sample']) / 8
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self.assertEqual( info.fmt.byte_rate , byte_rate )
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def test_data_against_ffprobe(self):
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for wav_file in self.all_files():
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info = wavinfo.WavInfoReader(wav_file)
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ffprobe_info = ffprobe(wav_file)
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self.assertEqual( info.data.frame_count, int(ffprobe_info['streams'][0]['duration_ts'] ))
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def test_bext_against_ffprobe(self):
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for wav_file in self.all_files():
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info = wavinfo.WavInfoReader(wav_file)
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ffprobe_info = ffprobe(wav_file)
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self.assertEqual( info.bext.description, ffprobe_info['format']['tags']['comment'] )
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self.assertEqual( info.bext.originator, ffprobe_info['format']['tags']['encoded_by'] )
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self.assertEqual( info.bext.originator_ref, ffprobe_info['format']['tags']['originator_reference'] )
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# these don't always reflect the bext info
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#self.assertEqual( info.bext.originator_date, ffprobe_info['format']['tags']['date'] )
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#self.assertEqual( info.bext.originator_time, ffprobe_info['format']['tags']['creation_time'] )
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self.assertEqual( info.bext.time_reference, int(ffprobe_info['format']['tags']['time_reference']) )
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self.assertEqual( info.bext.coding_history, ffprobe_info['format']['tags']['coding_history'] )
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def test_ixml(self):
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expected = {'A101_4.WAV': {'project' : 'BMH', 'scene': 'A101', 'take': '4',
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'tape': '18Y12M31', 'family_uid': 'USSDVGR1112089007124015008231000'},
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'A101_3.WAV': {'project' : 'BMH', 'scene': 'A101', 'take': '3',
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'tape': '18Y12M31', 'family_uid': 'USSDVGR1112089007124014008228300'},
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'A101_2.WAV': {'project' : 'BMH', 'scene': 'A101', 'take': '2',
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'tape': '18Y12M31', 'family_uid': 'USSDVGR1112089007124004008218600'},
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'A101_1.WAV': {'project' : 'BMH', 'scene': 'A101', 'take': '1',
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'tape': '18Y12M31', 'family_uid': 'USSDVGR1112089007124001008206300'},
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}
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for wav_file in self.all_files():
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basename = os.path.basename(wav_file)
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if basename in expected:
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info = wavinfo.WavInfoReader(wav_file)
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e = expected[basename]
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self.assertEqual( e['project'], info.ixml.project )
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self.assertEqual( e['scene'], info.ixml.scene )
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self.assertEqual( e['take'], info.ixml.take )
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self.assertEqual( e['tape'], info.ixml.tape )
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self.assertEqual( e['family_uid'], info.ixml.family_uid )
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