# coding: utf-8 from __future__ import unicode_literals import os import subprocess import struct import re import base64 try: import mutagen _has_mutagen = True except ImportError: _has_mutagen = False from .ffmpeg import FFmpegPostProcessor from ..utils import ( check_executable, encodeArgument, encodeFilename, error_to_compat_str, PostProcessingError, prepend_extension, process_communicate_or_kill, replace_extension, shell_quote, ) class EmbedThumbnailPPError(PostProcessingError): pass class EmbedThumbnailPP(FFmpegPostProcessor): def __init__(self, downloader=None, already_have_thumbnail=False): super(EmbedThumbnailPP, self).__init__(downloader) self._already_have_thumbnail = already_have_thumbnail def run(self, info): filename = info['filepath'] temp_filename = prepend_extension(filename, 'temp') if not info.get('thumbnails'): self.to_screen('There aren\'t any thumbnails to embed') return [], info thumbnail_filename = info['thumbnails'][-1]['filename'] if not os.path.exists(encodeFilename(thumbnail_filename)): self.report_warning('Skipping embedding the thumbnail because the file is missing.') return [], info def is_webp(path): with open(encodeFilename(path), 'rb') as f: b = f.read(12) return b[0:4] == b'RIFF' and b[8:] == b'WEBP' # Correct extension for WebP file with wrong extension (see #25687, #25717) _, thumbnail_ext = os.path.splitext(thumbnail_filename) if thumbnail_ext: thumbnail_ext = thumbnail_ext[1:].lower() if thumbnail_ext != 'webp' and is_webp(thumbnail_filename): self.to_screen('Correcting extension to webp and escaping path for thumbnail "%s"' % thumbnail_filename) thumbnail_webp_filename = replace_extension(thumbnail_filename, 'webp') os.rename(encodeFilename(thumbnail_filename), encodeFilename(thumbnail_webp_filename)) thumbnail_filename = thumbnail_webp_filename thumbnail_ext = 'webp' # Convert unsupported thumbnail formats to JPEG (see #25687, #25717) if thumbnail_ext not in ['jpg', 'png']: # NB: % is supposed to be escaped with %% but this does not work # for input files so working around with standard substitution escaped_thumbnail_filename = thumbnail_filename.replace('%', '#') os.rename(encodeFilename(thumbnail_filename), encodeFilename(escaped_thumbnail_filename)) escaped_thumbnail_jpg_filename = replace_extension(escaped_thumbnail_filename, 'jpg') self.to_screen('Converting thumbnail "%s" to JPEG' % escaped_thumbnail_filename) self.run_ffmpeg(escaped_thumbnail_filename, escaped_thumbnail_jpg_filename, ['-bsf:v', 'mjpeg2jpeg']) os.remove(encodeFilename(escaped_thumbnail_filename)) thumbnail_jpg_filename = replace_extension(thumbnail_filename, 'jpg') # Rename back to unescaped for further processing os.rename(encodeFilename(escaped_thumbnail_jpg_filename), encodeFilename(thumbnail_jpg_filename)) thumbnail_filename = thumbnail_jpg_filename thumbnail_ext = 'jpg' success = True if info['ext'] == 'mp3': options = [ '-c', 'copy', '-map', '0:0', '-map', '1:0', '-id3v2_version', '3', '-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (front)"'] self.to_screen('Adding thumbnail to "%s"' % filename) self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options) elif info['ext'] in ['mkv', 'mka']: options = ['-c', 'copy', '-map', '0', '-dn'] mimetype = 'image/%s' % ('png' if thumbnail_ext == 'png' else 'jpeg') old_stream, new_stream = self.get_stream_number( filename, ('tags', 'mimetype'), mimetype) if old_stream is not None: options.extend(['-map', '-0:%d' % old_stream]) new_stream -= 1 options.extend([ '-attach', thumbnail_filename, '-metadata:s:%d' % new_stream, 'mimetype=%s' % mimetype, '-metadata:s:%d' % new_stream, 'filename=cover.%s' % thumbnail_ext]) self.to_screen('Adding thumbnail to "%s"' % filename) self.run_ffmpeg(filename, temp_filename, options) elif info['ext'] in ['m4a', 'mp4', 'mov']: try: options = ['-c', 'copy', '-map', '0', '-dn', '-map', '1'] old_stream, new_stream = self.get_stream_number( filename, ('disposition', 'attached_pic'), 1) if old_stream is not None: options.extend(['-map', '-0:%d' % old_stream]) new_stream -= 1 options.extend(['-disposition:%s' % new_stream, 'attached_pic']) self.to_screen('Adding thumbnail to "%s"' % filename) self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options) except PostProcessingError as err: self.report_warning('unable to embed using ffprobe & ffmpeg; %s' % error_to_compat_str(err)) if not check_executable('AtomicParsley', ['-v']): raise EmbedThumbnailPPError('AtomicParsley was not found. Please install.') cmd = [encodeFilename('AtomicParsley', True), encodeFilename(filename, True), encodeArgument('--artwork'), encodeFilename(thumbnail_filename, True), encodeArgument('-o'), encodeFilename(temp_filename, True)] cmd += [encodeArgument(o) for o in self._configuration_args(exe='AtomicParsley')] self.to_screen('Adding thumbnail to "%s"' % filename) self.write_debug('AtomicParsley command line: %s' % shell_quote(cmd)) p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) stdout, stderr = process_communicate_or_kill(p) if p.returncode != 0: msg = stderr.decode('utf-8', 'replace').strip() raise EmbedThumbnailPPError(msg) # for formats that don't support thumbnails (like 3gp) AtomicParsley # won't create to the temporary file if b'No changes' in stdout: self.report_warning('The file format doesn\'t support embedding a thumbnail') success = False elif info['ext'] in ['ogg', 'opus']: if not _has_mutagen: raise EmbedThumbnailPPError('module mutagen was not found. Please install using `python -m pip install mutagen`') size_regex = r',\s*(?P\d+)x(?P\d+)\s*[,\[]' size_result = self.run_ffmpeg(thumbnail_filename, thumbnail_filename, ['-hide_banner']) mobj = re.search(size_regex, size_result) width, height = int(mobj.group('w')), int(mobj.group('h')) mimetype = ('image/%s' % ('png' if thumbnail_ext == 'png' else 'jpeg')).encode('ascii') # https://xiph.org/flac/format.html#metadata_block_picture data = bytearray() data += struct.pack('>II', 3, len(mimetype)) data += mimetype data += struct.pack('>IIIIII', 0, width, height, 8, 0, os.stat(thumbnail_filename).st_size) # 32 if png else 24 fin = open(thumbnail_filename, "rb") data += fin.read() fin.close() temp_filename = filename f = mutagen.File(temp_filename) f.tags['METADATA_BLOCK_PICTURE'] = base64.b64encode(data).decode('ascii') f.save() else: raise EmbedThumbnailPPError('Supported filetypes for thumbnail embedding are: mp3, mkv/mka, ogg/opus, m4a/mp4/mov') if success and temp_filename != filename: os.remove(encodeFilename(filename)) os.rename(encodeFilename(temp_filename), encodeFilename(filename)) files_to_delete = [] if self._already_have_thumbnail else [thumbnail_filename] return files_to_delete, info