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import os
import subprocess
from . import exiftool
class AVIParser(exiftool.ExiftoolParser):
mimetypes = {'video/x-msvideo', }
meta_whitelist = {'SourceFile', 'ExifToolVersion', 'FileName', 'Directory',
'FileSize', 'FileModifyDate', 'FileAccessDate',
'FileInodeChangeDate', 'FilePermissions', 'FileType',
'FileTypeExtension', 'MIMEType', 'FrameRate', 'MaxDataRate',
'FrameCount', 'StreamCount', 'StreamType', 'VideoCodec',
'VideoFrameRate', 'VideoFrameCount', 'Quality',
'SampleSize', 'BMPVersion', 'ImageWidth', 'ImageHeight',
'Planes', 'BitDepth', 'Compression', 'ImageLength',
'PixelsPerMeterX', 'PixelsPerMeterY', 'NumColors',
'NumImportantColors', 'NumColors', 'NumImportantColors',
'RedMask', 'GreenMask', 'BlueMask', 'AlphaMask',
'ColorSpace', 'AudioCodec', 'AudioCodecRate',
'AudioSampleCount', 'AudioSampleCount',
'AudioSampleRate', 'Encoding', 'NumChannels',
'SampleRate', 'AvgBytesPerSec', 'BitsPerSample',
'Duration', 'ImageSize', 'Megapixels'}
def remove_all(self) -> bool:
"""
TODO: handle problematic filenames starting with `-` and `--`,
check exiftool.py
"""
cmd = [_get_ffmpeg_path(),
'-i', self.filename, # input file
'-y', # overwrite existing output file
'-loglevel', 'panic', # Don't show log
'-hide_banner', # hide the banner
'-codec', 'copy', # don't decode anything, just copy (speed!)
'-map_metadata', '-1', # remove supperficial metadata
'-map_chapters', '-1', # remove chapters
'-fflags', '+bitexact', # don't add any metadata
'-flags:v', '+bitexact', # don't add any metadata
'-flags:a', '+bitexact', # don't add any metadata
self.output_filename]
try:
subprocess.check_call(cmd)
except subprocess.CalledProcessError:
return False
return True
def _get_ffmpeg_path() -> str: # pragma: no cover
ffmpeg_path = '/usr/bin/ffmpeg'
if os.path.isfile(ffmpeg_path):
if os.access(ffmpeg_path, os.X_OK):
return ffmpeg_path
raise RuntimeError("Unable to find ffmpeg")