yt-dlp/yt_dlp/postprocessor/embedthumbnail.py

229 lines
10 KiB
Python
Raw Normal View History

import base64
import os
import re
import subprocess
from .common import PostProcessor
from .ffmpeg import FFmpegPostProcessor, FFmpegThumbnailsConvertorPP
from ..compat import imghdr
from ..dependencies import mutagen
from ..utils import (
Popen,
PostProcessingError,
check_executable,
encodeArgument,
encodeFilename,
error_to_compat_str,
prepend_extension,
shell_quote,
)
if mutagen:
from mutagen.flac import FLAC, Picture
from mutagen.mp4 import MP4, MP4Cover
from mutagen.oggopus import OggOpus
from mutagen.oggvorbis import OggVorbis
class EmbedThumbnailPPError(PostProcessingError):
pass
class EmbedThumbnailPP(FFmpegPostProcessor):
def __init__(self, downloader=None, already_have_thumbnail=False):
FFmpegPostProcessor.__init__(self, downloader)
self._already_have_thumbnail = already_have_thumbnail
def _get_thumbnail_resolution(self, filename, thumbnail_dict):
def guess():
width, height = thumbnail_dict.get('width'), thumbnail_dict.get('height')
if width and height:
return width, height
try:
size_regex = r',\s*(?P<w>\d+)x(?P<h>\d+)\s*[,\[]'
size_result = self.run_ffmpeg(filename, None, ['-hide_banner'], expected_retcodes=(1,))
mobj = re.search(size_regex, size_result)
if mobj is None:
return guess()
except PostProcessingError as err:
self.report_warning('unable to find the thumbnail resolution; %s' % error_to_compat_str(err))
return guess()
return int(mobj.group('w')), int(mobj.group('h'))
def _report_run(self, exe, filename):
self.to_screen(f'{exe}: Adding thumbnail to "{filename}"')
@PostProcessor._restrict_to(images=False)
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
idx = next((-i for i, t in enumerate(info['thumbnails'][::-1], 1) if t.get('filepath')), None)
if idx is None:
self.to_screen('There are no thumbnails on disk')
return [], info
thumbnail_filename = info['thumbnails'][idx]['filepath']
if not os.path.exists(encodeFilename(thumbnail_filename)):
self.report_warning('Skipping embedding the thumbnail because the file is missing.')
return [], info
# Correct extension for WebP file with wrong extension (see #25687, #25717)
convertor = FFmpegThumbnailsConvertorPP(self._downloader)
convertor.fixup_webp(info, idx)
original_thumbnail = thumbnail_filename = info['thumbnails'][idx]['filepath']
# Convert unsupported thumbnail formats (see #25687, #25717)
# PNG is preferred since JPEG is lossy
thumbnail_ext = os.path.splitext(thumbnail_filename)[1][1:]
if info['ext'] not in ('mkv', 'mka') and thumbnail_ext not in ('jpg', 'jpeg', 'png'):
thumbnail_filename = convertor.convert_thumbnail(thumbnail_filename, 'png')
thumbnail_ext = 'png'
mtime = os.stat(encodeFilename(filename)).st_mtime
success = True
if info['ext'] == 'mp3':
options = [
'-c', 'copy', '-map', '0:0', '-map', '1:0', '-write_id3v1', '1', '-id3v2_version', '3',
'-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (front)"']
self._report_run('ffmpeg', filename)
self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
elif info['ext'] in ['mkv', 'mka']:
options = list(self.stream_copy_opts())
mimetype = f'image/{thumbnail_ext.replace("jpg", "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._report_run('ffmpeg', filename)
self.run_ffmpeg(filename, temp_filename, options)
elif info['ext'] in ['m4a', 'mp4', 'mov']:
prefer_atomicparsley = 'embed-thumbnail-atomicparsley' in self.get_param('compat_opts', [])
# Method 1: Use mutagen
if not mutagen or prefer_atomicparsley:
success = False
else:
try:
self._report_run('mutagen', filename)
meta = MP4(filename)
# NOTE: the 'covr' atom is a non-standard MPEG-4 atom,
# Apple iTunes 'M4A' files include the 'moov.udta.meta.ilst' atom.
f = {'jpeg': MP4Cover.FORMAT_JPEG, 'png': MP4Cover.FORMAT_PNG}[imghdr.what(thumbnail_filename)]
with open(thumbnail_filename, 'rb') as thumbfile:
thumb_data = thumbfile.read()
meta.tags['covr'] = [MP4Cover(data=thumb_data, imageformat=f)]
meta.save()
temp_filename = filename
except Exception as err:
self.report_warning('unable to embed using mutagen; %s' % error_to_compat_str(err))
success = False
# Method 2: Use AtomicParsley
if not success:
success = True
atomicparsley = next((
x for x in ['AtomicParsley', 'atomicparsley']
if check_executable(x, ['-v'])), None)
if atomicparsley is None:
self.to_screen('Neither mutagen nor AtomicParsley was found. Falling back to ffmpeg')
success = False
else:
if not prefer_atomicparsley:
self.to_screen('mutagen was not found. Falling back to AtomicParsley')
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('AtomicParsley')]
self._report_run('atomicparsley', filename)
self.write_debug('AtomicParsley command line: %s' % shell_quote(cmd))
p = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate_or_kill()
if p.returncode != 0:
msg = stderr.decode('utf-8', 'replace').strip()
self.report_warning(f'Unable to embed thumbnails using AtomicParsley; {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
# Method 3: Use ffmpeg+ffprobe
# Thumbnails attached using this method doesn't show up as cover in some cases
# See https://github.com/yt-dlp/yt-dlp/issues/2125, https://github.com/yt-dlp/yt-dlp/issues/411
if not success:
success = True
try:
options = [*self.stream_copy_opts(), '-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._report_run('ffmpeg', filename)
self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)
except PostProcessingError as err:
success = False
raise EmbedThumbnailPPError(f'Unable to embed using ffprobe & ffmpeg; {err}')
elif info['ext'] in ['ogg', 'opus', 'flac']:
if not mutagen:
raise EmbedThumbnailPPError('module mutagen was not found. Please install using `python -m pip install mutagen`')
self._report_run('mutagen', filename)
f = {'opus': OggOpus, 'flac': FLAC, 'ogg': OggVorbis}[info['ext']](filename)
pic = Picture()
pic.mime = 'image/%s' % imghdr.what(thumbnail_filename)
with open(thumbnail_filename, 'rb') as thumbfile:
pic.data = thumbfile.read()
pic.type = 3 # front cover
res = self._get_thumbnail_resolution(thumbnail_filename, info['thumbnails'][idx])
if res is not None:
pic.width, pic.height = res
if info['ext'] == 'flac':
f.add_picture(pic)
else:
# https://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE
f['METADATA_BLOCK_PICTURE'] = base64.b64encode(pic.write()).decode('ascii')
f.save()
temp_filename = filename
else:
raise EmbedThumbnailPPError('Supported filetypes for thumbnail embedding are: mp3, mkv/mka, ogg/opus/flac, m4a/mp4/mov')
if success and temp_filename != filename:
os.replace(temp_filename, filename)
self.try_utime(filename, mtime, mtime)
2022-04-30 19:28:26 -04:00
converted = original_thumbnail != thumbnail_filename
self._delete_downloaded_files(
thumbnail_filename if converted or not self._already_have_thumbnail else None,
original_thumbnail if converted and not self._already_have_thumbnail else None,
info=info)
return [], info