[utils] Improve subtitles_filename (closes #22753)

[youtube-dl] / youtube_dl / postprocessor / ffmpeg.py

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 70416c25ee1a3fb333c63ff7334f87250122fb07..fd3f921a8a11da2e8c31573889ea4d7f5a9fea25 100644 (file)
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -393,7 +393,7 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
             sub_ext = sub_info['ext']
             if ext != 'webm' or ext == 'webm' and sub_ext == 'vtt':
                 sub_langs.append(lang)
-                sub_filenames.append(subtitles_filename(filename, lang, sub_ext))
+                sub_filenames.append(subtitles_filename(filename, lang, sub_ext, ext))
             else:
                 if not webm_vtt_warn and ext == 'webm' and sub_ext != 'vtt':
                     webm_vtt_warn = True
@@ -606,9 +606,9 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
                 self._downloader.to_screen(
                     '[ffmpeg] Subtitle file for %s is already in the requested format' % new_ext)
                 continue
-            old_file = subtitles_filename(filename, lang, ext)
+            old_file = subtitles_filename(filename, lang, ext, info.get('ext'))
             sub_filenames.append(old_file)
-            new_file = subtitles_filename(filename, lang, new_ext)
+            new_file = subtitles_filename(filename, lang, new_ext, info.get('ext'))
 
             if ext in ('dfxp', 'ttml', 'tt'):
                 self._downloader.report_warning(
@@ -616,7 +616,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
                     'which results in style information loss')
 
                 dfxp_file = old_file
-                srt_file = subtitles_filename(filename, lang, 'srt')
+                srt_file = subtitles_filename(filename, lang, 'srt', info.get('ext'))
 
                 with open(dfxp_file, 'rb') as f:
                     srt_data = dfxp2srt(f.read())