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Use a map for JSON sub handling instead of two lists

This commit is contained in:
Riteo 2024-08-14 00:32:06 +02:00
parent 550b3a046a
commit 38a9f70044
1 changed files with 6 additions and 7 deletions
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13
yt_dlp/postprocessor/ffmpeg.py
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@ -624,7 +624,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
webm_vtt_warn = False
mp4_ass_warn = False
json_names, json_filenames = [], []
json_subs = {}
for lang, sub_info in subtitles.items():
if not os.path.exists(sub_info.get('filepath', '')):
@ -633,8 +633,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
sub_ext = sub_info['ext']
if sub_ext == 'json':
if info['ext'] in ('mkv', 'mka'):
json_names.append(lang)
json_filenames.append(sub_info['filepath'])
json_subs[lang] = sub_info['filepath']
else:
self.report_warning('JSON subtitles can only be embedded in mkv/mka files.')
elif ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
@ -672,13 +671,13 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
opts.extend([f'-metadata:s:s:{i}', f'handler_name={name}',
f'-metadata:s:s:{i}', f'title={name}'])
for (json_filename, json_name) in zip(json_filenames, json_names):
for json_lang, json_filename in json_subs.items():
escaped_json_filename = self._ffmpeg_filename_argument(json_filename)
opts.extend([
'-map', f'-0:m:filename:{json_name}.json?',
'-map', f'-0:m:filename:{json_lang}.json?',
'-attach', escaped_json_filename,
f'-metadata:s:m:filename:{escaped_json_filename}', 'mimetype=application/json',
f'-metadata:s:m:filename:{escaped_json_filename}', f'filename={json_name}.json',
f'-metadata:s:m:filename:{escaped_json_filename}', f'filename={json_lang}.json',
])
temp_filename = prepend_extension(filename, 'temp')
@ -686,7 +685,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
os.replace(temp_filename, filename)
files_to_delete = [] if self._already_have_subtitle else sub_filenames + json_filenames
files_to_delete = [] if self._already_have_subtitle else sub_filenames + list(json_subs.values())
return files_to_delete, info