131 lines
5.0 KiB
Python
131 lines
5.0 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import os
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import shutil
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import subprocess
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from .ffmpeg import FFmpegPostProcessor
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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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PostProcessingError,
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prepend_extension,
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shell_quote,
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base64
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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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super(EmbedThumbnailPP, self).__init__(downloader)
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self._already_have_thumbnail = already_have_thumbnail
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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._downloader.to_screen('[embedthumbnail] There aren\'t any thumbnails to embed')
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return [], info
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thumbnail_filename = info['thumbnails'][-1]['filename']
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if not os.path.exists(encodeFilename(thumbnail_filename)):
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self._downloader.report_warning(
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'Skipping embedding the thumbnail because the file is missing.')
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return [], info
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self._downloader.to_screen("used format" + info['ext'])
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if info['ext'] == 'mp3':
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options = [
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'-c', 'copy', '-map', '0', '-map', '1',
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'-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (Front)"']
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self._downloader.to_screen('[ffmpeg] Adding thumbnail to "%s"' % filename)
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self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
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if not self._already_have_thumbnail:
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os.remove(encodeFilename(thumbnail_filename))
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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elif info['ext'] in ['m4a', 'mp4']:
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if not check_executable('AtomicParsley', ['-v']):
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raise EmbedThumbnailPPError('AtomicParsley was not found. Please install.')
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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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self._downloader.to_screen('[atomicparsley] Adding thumbnail to "%s"' % filename)
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if self._downloader.params.get('verbose', False):
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self._downloader.to_screen('[debug] AtomicParsley command line: %s' % shell_quote(cmd))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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if p.returncode != 0:
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msg = stderr.decode('utf-8', 'replace').strip()
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raise EmbedThumbnailPPError(msg)
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if not self._already_have_thumbnail:
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os.remove(encodeFilename(thumbnail_filename))
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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._downloader.report_warning('The file format doesn\'t support embedding a thumbnail')
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else:
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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elif info['ext'] in ['opus', 'ogg', 'flac']:
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try:
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from mutagen.oggvorbis import OggVorbis
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from mutagen.oggopus import OggOpus
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from mutagen.flac import Picture, FLAC
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except ImportError:
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raise EmbedThumbnailPPError('mutagen was not found. Please install.')
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shutil.copyfile(filename, temp_filename)
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aufile = {'opus': OggOpus, 'flac': FLAC, 'ogg': OggVorbis} \
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[info['ext']](temp_filename)
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covart = Picture()
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covart.data = open(thumbnail_filename, 'rb').read()
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covart.type = 3 # Cover (front)
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# Since, OGGOpus and OGGVorbis doesn't natively support
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# (coverart / thumbnail)s, it's wrapped in if..else
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if info['ext'] == 'flac':
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aufile.add_picture(covart)
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else:
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aufile['metadata_block_picture'] = \
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base64.b64encode(covart.write()).decode('ascii')
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# Save changes to temporary file, it'd be overlapped as the
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# original one.
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aufile.save()
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if not self._already_have_thumbnail:
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os.remove(encodeFilename(thumbnail_filename))
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(filename))
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else:
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raise EmbedThumbnailPPError('Only mp3, m4a/mp4, ogg, opus and flac are supported for thumbnail embedding for now.')
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return [], info
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