commit bff857a8af696e701482208617bf0b7564951326
parent a31a022efd1b7bac8cd0a477f08534f3fcc67298
Author: Sergey M․ <dstftw@gmail.com>
Date:   Mon, 14 Sep 2020 03:28:31 +0700

[postprocessor/embedthumbnail] Fix issues (closes #25717)
* Fix WebP with wrong extension processing
* Fix embedding of thumbnails with % character in path

Diffstat:
Myoutube_dl/postprocessor/embedthumbnail.py | 53++++++++++++++++++++++++++++++++---------------------
1 file changed, 32 insertions(+), 21 deletions(-)

diff --git a/youtube_dl/postprocessor/embedthumbnail.py b/youtube_dl/postprocessor/embedthumbnail.py @@ -13,6 +13,7 @@ from ..utils import ( encodeFilename, PostProcessingError, prepend_extension, + replace_extension, shell_quote ) @@ -41,27 +42,37 @@ class EmbedThumbnailPP(FFmpegPostProcessor): 'Skipping embedding the thumbnail because the file is missing.') return [], info - # Check for mislabeled webp file - with open(encodeFilename(thumbnail_filename), "rb") as f: - b = f.read(16) - if b'\x57\x45\x42\x50' in b: # Binary for WEBP - [thumbnail_filename_path, thumbnail_filename_extension] = os.path.splitext(thumbnail_filename) - if not thumbnail_filename_extension == ".webp": - webp_thumbnail_filename = thumbnail_filename_path + ".webp" - os.rename(encodeFilename(thumbnail_filename), encodeFilename(webp_thumbnail_filename)) - thumbnail_filename = webp_thumbnail_filename - - # If not a jpg or png thumbnail, convert it to jpg using ffmpeg - if not os.path.splitext(thumbnail_filename)[1].lower() in ['.jpg', '.png']: - jpg_thumbnail_filename = os.path.splitext(thumbnail_filename)[0] + ".jpg" - jpg_thumbnail_filename = os.path.join(os.path.dirname(jpg_thumbnail_filename), os.path.basename(jpg_thumbnail_filename).replace('%', '_')) # ffmpeg interprets % as image sequence - - self._downloader.to_screen('[ffmpeg] Converting thumbnail "%s" to JPEG' % thumbnail_filename) - - self.run_ffmpeg(thumbnail_filename, jpg_thumbnail_filename, ['-bsf:v', 'mjpeg2jpeg']) - - os.remove(encodeFilename(thumbnail_filename)) - thumbnail_filename = jpg_thumbnail_filename + 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._downloader.to_screen( + '[ffmpeg] 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._downloader.to_screen('[ffmpeg] 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 if info['ext'] == 'mp3': options = [