[pp/EmbedThumbnail] Fix ffmpeg args for embedding in mp3 (#13720)

Authored by: atsushi2965

yt_dlp/extractor/sproutvideo.py

@@ -101,8 +101,8 @@ class SproutVideoIE(InfoExtractor):
         webpage = self._download_webpage(
             url, video_id, headers=traverse_obj(smuggled_data, {'Referer': 'referer'}))
         data = self._search_json(
-            r'(?:var|const|let)\s+(?:dat|playerInfo)\s*=\s*["\']', webpage, 'player info', video_id,
+            r'(?:var|const|let)\s+(?:dat|(?:player|video)Info|)\s*=\s*["\']', webpage, 'player info',
-            contains_pattern=r'[A-Za-z0-9+/=]+', end_pattern=r'["\'];',
+            video_id, contains_pattern=r'[A-Za-z0-9+/=]+', end_pattern=r'["\'];',
             transform_source=lambda x: base64.b64decode(x).decode())
 
         # SproutVideo may send player info for 'SMPTE Color Monitor Test' [a791d7b71b12ecc52e]

yt_dlp/postprocessor/embedthumbnail.py

@@ -90,7 +90,7 @@ class EmbedThumbnailPP(FFmpegPostProcessor):
         if info['ext'] == 'mp3':
             options = [
                 '-c', 'copy', '-map', '0:0', '-map', '1:0', '-write_id3v1', '1', '-id3v2_version', '3',
-                '-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment=Cover (front)']
+                '-metadata:s:v', 'title=Album cover', '-metadata:s:v', 'comment=Cover (front)']
 
             self._report_run('ffmpeg', filename)
             self.run_ffmpeg_multiple_files([filename, thumbnail_filename], temp_filename, options)