From 27fe903c511691c078942bef5ee9a05a43b15c8f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jes=C3=BAs?= Date: Wed, 9 Jun 2021 17:54:27 -0500 Subject: initial --- hypervideo_dl/postprocessor/embedthumbnail.py | 130 ++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 hypervideo_dl/postprocessor/embedthumbnail.py (limited to 'hypervideo_dl/postprocessor/embedthumbnail.py') diff --git a/hypervideo_dl/postprocessor/embedthumbnail.py b/hypervideo_dl/postprocessor/embedthumbnail.py new file mode 100644 index 0000000..3990908 --- /dev/null +++ b/hypervideo_dl/postprocessor/embedthumbnail.py @@ -0,0 +1,130 @@ +# coding: utf-8 +from __future__ import unicode_literals + + +import os +import subprocess + +from .ffmpeg import FFmpegPostProcessor + +from ..utils import ( + check_executable, + encodeArgument, + encodeFilename, + PostProcessingError, + prepend_extension, + 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._downloader.to_screen('[embedthumbnail] There aren\'t any thumbnails to embed') + return [], info + + thumbnail_filename = info['thumbnails'][-1]['filename'] + + if not os.path.exists(encodeFilename(thumbnail_filename)): + self._downloader.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._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 = [ + '-c', 'copy', '-map', '0', '-map', '1', + '-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (Front)"'] + + self._downloader.to_screen('[ffmpeg] Adding thumbnail to "%s"' % filename) + + self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options) + + if not self._already_have_thumbnail: + os.remove(encodeFilename(thumbnail_filename)) + os.remove(encodeFilename(filename)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + + elif info['ext'] in ['m4a', 'mp4']: + atomicparsley = next((x + for x in ['AtomicParsley', 'atomicparsley'] + if check_executable(x, ['-v'])), None) + + if atomicparsley is None: + 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)] + + self._downloader.to_screen('[atomicparsley] Adding thumbnail to "%s"' % filename) + + if self._downloader.params.get('verbose', False): + self._downloader.to_screen('[debug] AtomicParsley command line: %s' % shell_quote(cmd)) + + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + stdout, stderr = p.communicate() + + if p.returncode != 0: + msg = stderr.decode('utf-8', 'replace').strip() + raise EmbedThumbnailPPError(msg) + + if not self._already_have_thumbnail: + os.remove(encodeFilename(thumbnail_filename)) + # for formats that don't support thumbnails (like 3gp) AtomicParsley + # won't create to the temporary file + if b'No changes' in stdout: + self._downloader.report_warning('The file format doesn\'t support embedding a thumbnail') + else: + os.remove(encodeFilename(filename)) + os.rename(encodeFilename(temp_filename), encodeFilename(filename)) + else: + raise EmbedThumbnailPPError('Only mp3 and m4a/mp4 are supported for thumbnail embedding for now.') + + return [], info -- cgit v1.2.3