[YoutubeDL] Check formats for merge to be opposite (#7786)

9 years ago · 3d24bbfbe4
parent 1775612512
commit 3d24bbfbe4
1 changed files with 6 additions and 0 deletions
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@ -1110,6 +1110,12 @@ class YoutubeDL(object):
                                          'contain the video, try using '
                                          '"-f %s+%s"' % (format_2, format_1))
                        return
+                    # Formats must be opposite (video+audio)
+                    if formats_info[0].get('acodec') == 'none' and formats_info[1].get('acodec') == 'none':
+                        self.report_error(
+                            'Both formats %s and %s are video-only, you must specify "-f video+audio"'
+                            % (format_1, format_2))
+                        return
                    output_ext = (
                        formats_info[0]['ext']
                        if self.params.get('merge_output_format') is None