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https://github.com/yt-dlp/yt-dlp.git
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240 lines
10 KiB
Python
240 lines
10 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import base64
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import imghdr
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import os
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import subprocess
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import re
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try:
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from mutagen.flac import Picture, FLAC
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from mutagen.mp4 import MP4, MP4Cover
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from mutagen.oggopus import OggOpus
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from mutagen.oggvorbis import OggVorbis
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has_mutagen = True
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except ImportError:
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has_mutagen = False
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from .common import PostProcessor
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from .ffmpeg import (
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FFmpegPostProcessor,
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FFmpegThumbnailsConvertorPP,
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)
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from ..utils import (
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check_executable,
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encodeArgument,
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encodeFilename,
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error_to_compat_str,
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Popen,
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PostProcessingError,
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prepend_extension,
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shell_quote,
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)
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class EmbedThumbnailPPError(PostProcessingError):
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pass
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class EmbedThumbnailPP(FFmpegPostProcessor):
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def __init__(self, downloader=None, already_have_thumbnail=False):
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FFmpegPostProcessor.__init__(self, downloader)
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self._already_have_thumbnail = already_have_thumbnail
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def _get_thumbnail_resolution(self, filename, thumbnail_dict):
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def guess():
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width, height = thumbnail_dict.get('width'), thumbnail_dict.get('height')
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if width and height:
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return width, height
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try:
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size_regex = r',\s*(?P<w>\d+)x(?P<h>\d+)\s*[,\[]'
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size_result = self.run_ffmpeg(filename, None, ['-hide_banner'], expected_retcodes=(1,))
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mobj = re.search(size_regex, size_result)
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if mobj is None:
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return guess()
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except PostProcessingError as err:
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self.report_warning('unable to find the thumbnail resolution; %s' % error_to_compat_str(err))
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return guess()
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return int(mobj.group('w')), int(mobj.group('h'))
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def _report_run(self, exe, filename):
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self.to_screen('%s: Adding thumbnail to "%s"' % (exe, filename))
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@PostProcessor._restrict_to(images=False)
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def run(self, info):
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filename = info['filepath']
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temp_filename = prepend_extension(filename, 'temp')
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if not info.get('thumbnails'):
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self.to_screen('There aren\'t any thumbnails to embed')
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return [], info
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idx = next((-i for i, t in enumerate(info['thumbnails'][::-1], 1) if t.get('filepath')), None)
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if idx is None:
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self.to_screen('There are no thumbnails on disk')
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return [], info
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thumbnail_filename = info['thumbnails'][idx]['filepath']
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if not os.path.exists(encodeFilename(thumbnail_filename)):
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self.report_warning('Skipping embedding the thumbnail because the file is missing.')
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return [], info
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# Correct extension for WebP file with wrong extension (see #25687, #25717)
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convertor = FFmpegThumbnailsConvertorPP(self._downloader)
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convertor.fixup_webp(info, idx)
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original_thumbnail = thumbnail_filename = info['thumbnails'][idx]['filepath']
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# Convert unsupported thumbnail formats to PNG (see #25687, #25717)
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# Original behavior was to convert to JPG, but since JPG is a lossy
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# format, there will be some additional data loss.
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# PNG, on the other hand, is lossless.
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thumbnail_ext = os.path.splitext(thumbnail_filename)[1][1:]
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if thumbnail_ext not in ('jpg', 'jpeg', 'png'):
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thumbnail_filename = convertor.convert_thumbnail(thumbnail_filename, 'png')
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thumbnail_ext = 'png'
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mtime = os.stat(encodeFilename(filename)).st_mtime
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success = True
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if info['ext'] == 'mp3':
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options = [
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'-c', 'copy', '-map', '0:0', '-map', '1:0', '-id3v2_version', '3',
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'-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (front)"']
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self._report_run('ffmpeg', filename)
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self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
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elif info['ext'] in ['mkv', 'mka']:
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options = list(self.stream_copy_opts())
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mimetype = 'image/%s' % ('png' if thumbnail_ext == 'png' else 'jpeg')
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old_stream, new_stream = self.get_stream_number(
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filename, ('tags', 'mimetype'), mimetype)
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if old_stream is not None:
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options.extend(['-map', '-0:%d' % old_stream])
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new_stream -= 1
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options.extend([
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'-attach', thumbnail_filename,
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'-metadata:s:%d' % new_stream, 'mimetype=%s' % mimetype,
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'-metadata:s:%d' % new_stream, 'filename=cover.%s' % thumbnail_ext])
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self._report_run('ffmpeg', filename)
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self.run_ffmpeg(filename, temp_filename, options)
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elif info['ext'] in ['m4a', 'mp4', 'mov']:
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prefer_atomicparsley = 'embed-thumbnail-atomicparsley' in self.get_param('compat_opts', [])
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# Method 1: Use mutagen
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if not has_mutagen or prefer_atomicparsley:
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success = False
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else:
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try:
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self._report_run('mutagen', filename)
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meta = MP4(filename)
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# NOTE: the 'covr' atom is a non-standard MPEG-4 atom,
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# Apple iTunes 'M4A' files include the 'moov.udta.meta.ilst' atom.
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f = {'jpeg': MP4Cover.FORMAT_JPEG, 'png': MP4Cover.FORMAT_PNG}[imghdr.what(thumbnail_filename)]
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with open(thumbnail_filename, 'rb') as thumbfile:
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thumb_data = thumbfile.read()
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meta.tags['covr'] = [MP4Cover(data=thumb_data, imageformat=f)]
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meta.save()
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temp_filename = filename
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except Exception as err:
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self.report_warning('unable to embed using mutagen; %s' % error_to_compat_str(err))
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success = False
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# Method 2: Use AtomicParsley
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if not success:
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success = True
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atomicparsley = next((
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x for x in ['AtomicParsley', 'atomicparsley']
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if check_executable(x, ['-v'])), None)
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if atomicparsley is None:
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self.to_screen('Neither mutagen nor AtomicParsley was found. Falling back to ffmpeg')
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success = False
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else:
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if not prefer_atomicparsley:
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self.to_screen('mutagen was not found. Falling back to AtomicParsley')
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cmd = [encodeFilename(atomicparsley, True),
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encodeFilename(filename, True),
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encodeArgument('--artwork'),
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encodeFilename(thumbnail_filename, True),
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encodeArgument('-o'),
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encodeFilename(temp_filename, True)]
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cmd += [encodeArgument(o) for o in self._configuration_args('AtomicParsley')]
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self._report_run('atomicparsley', filename)
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self.write_debug('AtomicParsley command line: %s' % shell_quote(cmd))
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p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate_or_kill()
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if p.returncode != 0:
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msg = stderr.decode('utf-8', 'replace').strip()
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self.report_warning(f'Unable to embed thumbnails using AtomicParsley; {msg}')
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# for formats that don't support thumbnails (like 3gp) AtomicParsley
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# won't create to the temporary file
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if b'No changes' in stdout:
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self.report_warning('The file format doesn\'t support embedding a thumbnail')
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success = False
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# Method 3: Use ffmpeg+ffprobe
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# Thumbnails attached using this method doesn't show up as cover in some cases
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# See https://github.com/yt-dlp/yt-dlp/issues/2125, https://github.com/yt-dlp/yt-dlp/issues/411
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if not success:
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success = True
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try:
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options = [*self.stream_copy_opts(), '-map', '1']
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old_stream, new_stream = self.get_stream_number(
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filename, ('disposition', 'attached_pic'), 1)
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if old_stream is not None:
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options.extend(['-map', '-0:%d' % old_stream])
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new_stream -= 1
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options.extend(['-disposition:%s' % new_stream, 'attached_pic'])
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self._report_run('ffmpeg', filename)
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self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
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except PostProcessingError as err:
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success = False
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raise EmbedThumbnailPPError(f'Unable to embed using ffprobe & ffmpeg; {err}')
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elif info['ext'] in ['ogg', 'opus', 'flac']:
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if not has_mutagen:
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raise EmbedThumbnailPPError('module mutagen was not found. Please install using `python -m pip install mutagen`')
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self._report_run('mutagen', filename)
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f = {'opus': OggOpus, 'flac': FLAC, 'ogg': OggVorbis}[info['ext']](filename)
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pic = Picture()
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pic.mime = 'image/%s' % imghdr.what(thumbnail_filename)
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with open(thumbnail_filename, 'rb') as thumbfile:
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pic.data = thumbfile.read()
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pic.type = 3 # front cover
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res = self._get_thumbnail_resolution(thumbnail_filename, info['thumbnails'][idx])
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if res is not None:
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pic.width, pic.height = res
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if info['ext'] == 'flac':
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f.add_picture(pic)
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else:
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# https://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
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f['METADATA_BLOCK_PICTURE'] = base64.b64encode(pic.write()).decode('ascii')
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f.save()
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temp_filename = filename
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else:
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raise EmbedThumbnailPPError('Supported filetypes for thumbnail embedding are: mp3, mkv/mka, ogg/opus/flac, m4a/mp4/mov')
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if success and temp_filename != filename:
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os.replace(temp_filename, filename)
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self.try_utime(filename, mtime, mtime)
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files_to_delete = [thumbnail_filename]
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if self._already_have_thumbnail:
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if original_thumbnail == thumbnail_filename:
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files_to_delete = []
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elif original_thumbnail != thumbnail_filename:
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files_to_delete.append(original_thumbnail)
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return files_to_delete, info
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