206 lines
9.2 KiB
Python
206 lines
9.2 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 subprocess
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import struct
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import re
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import base64
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try:
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import mutagen
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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 .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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error_to_compat_str,
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PostProcessingError,
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prepend_extension,
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process_communicate_or_kill,
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replace_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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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.to_screen('There aren\'t any thumbnails to embed')
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return [], info
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initial_thumbnail = original_thumbnail = thumbnail_filename = info['thumbnails'][-1]['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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def is_webp(path):
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with open(encodeFilename(path), 'rb') as f:
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b = f.read(12)
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return b[0:4] == b'RIFF' and b[8:] == b'WEBP'
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# Correct extension for WebP file with wrong extension (see #25687, #25717)
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_, thumbnail_ext = os.path.splitext(thumbnail_filename)
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if thumbnail_ext:
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thumbnail_ext = thumbnail_ext[1:].lower()
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if thumbnail_ext != 'webp' and is_webp(thumbnail_filename):
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self.to_screen('Correcting extension to webp and escaping path for thumbnail "%s"' % thumbnail_filename)
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thumbnail_webp_filename = replace_extension(thumbnail_filename, 'webp')
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if os.path.exists(thumbnail_webp_filename):
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os.remove(thumbnail_webp_filename)
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os.rename(encodeFilename(thumbnail_filename), encodeFilename(thumbnail_webp_filename))
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original_thumbnail = thumbnail_filename = thumbnail_webp_filename
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thumbnail_ext = 'webp'
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# Convert unsupported thumbnail formats to JPEG (see #25687, #25717)
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if thumbnail_ext not in ['jpg', 'png']:
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# NB: % is supposed to be escaped with %% but this does not work
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# for input files so working around with standard substitution
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escaped_thumbnail_filename = thumbnail_filename.replace('%', '#')
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os.rename(encodeFilename(thumbnail_filename), encodeFilename(escaped_thumbnail_filename))
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escaped_thumbnail_jpg_filename = replace_extension(escaped_thumbnail_filename, 'jpg')
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self.to_screen('Converting thumbnail "%s" to JPEG' % escaped_thumbnail_filename)
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self.run_ffmpeg(escaped_thumbnail_filename, escaped_thumbnail_jpg_filename, ['-bsf:v', 'mjpeg2jpeg'])
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thumbnail_jpg_filename = replace_extension(thumbnail_filename, 'jpg')
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# Rename back to unescaped for further processing
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os.rename(encodeFilename(escaped_thumbnail_filename), encodeFilename(thumbnail_filename))
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os.rename(encodeFilename(escaped_thumbnail_jpg_filename), encodeFilename(thumbnail_jpg_filename))
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thumbnail_filename = thumbnail_jpg_filename
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thumbnail_ext = 'jpg'
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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.to_screen('Adding thumbnail to "%s"' % 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 = ['-c', 'copy', '-map', '0', '-dn']
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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.to_screen('Adding thumbnail to "%s"' % 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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try:
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options = ['-c', 'copy', '-map', '0', '-dn', '-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.to_screen('Adding thumbnail to "%s"' % 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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self.report_warning('unable to embed using ffprobe & ffmpeg; %s' % error_to_compat_str(err))
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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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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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cmd += [encodeArgument(o) for o in self._configuration_args('AtomicParsley')]
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self.to_screen('Adding thumbnail to "%s"' % filename)
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self.write_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 = process_communicate_or_kill(p)
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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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# 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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elif info['ext'] in ['ogg', 'opus']:
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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.to_screen('Adding thumbnail to "%s"' % filename)
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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(thumbnail_filename, thumbnail_filename, ['-hide_banner'])
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mobj = re.search(size_regex, size_result)
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width, height = int(mobj.group('w')), int(mobj.group('h'))
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mimetype = ('image/%s' % ('png' if thumbnail_ext == 'png' else 'jpeg')).encode('ascii')
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# https://xiph.org/flac/format.html#metadata_block_picture
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data = bytearray()
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data += struct.pack('>II', 3, len(mimetype))
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data += mimetype
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data += struct.pack('>IIIIII', 0, width, height, 8, 0, os.stat(thumbnail_filename).st_size) # 32 if png else 24
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fin = open(thumbnail_filename, "rb")
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data += fin.read()
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fin.close()
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temp_filename = filename
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f = mutagen.File(temp_filename)
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f.tags['METADATA_BLOCK_PICTURE'] = base64.b64encode(data).decode('ascii')
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f.save()
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else:
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raise EmbedThumbnailPPError('Supported filetypes for thumbnail embedding are: mp3, mkv/mka, ogg/opus, m4a/mp4/mov')
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if success and temp_filename != filename:
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os.remove(encodeFilename(filename))
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os.rename(encodeFilename(temp_filename), encodeFilename(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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info['__files_to_move'][original_thumbnail] = replace_extension(
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info['__files_to_move'][initial_thumbnail],
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os.path.splitext(original_thumbnail)[1][1:])
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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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