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https://github.com/yt-dlp/yt-dlp.git
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bff857a8af
* Fix WebP with wrong extension processing * Fix embedding of thumbnails with % character in path
127 lines
5.5 KiB
Python
127 lines
5.5 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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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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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._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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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._downloader.to_screen(
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'[ffmpeg] 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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os.rename(encodeFilename(thumbnail_filename), encodeFilename(thumbnail_webp_filename))
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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._downloader.to_screen('[ffmpeg] 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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os.remove(encodeFilename(escaped_thumbnail_filename))
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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_jpg_filename), encodeFilename(thumbnail_jpg_filename))
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thumbnail_filename = thumbnail_jpg_filename
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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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else:
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raise EmbedThumbnailPPError('Only mp3 and m4a/mp4 are supported for thumbnail embedding for now.')
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return [], info
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