[postprocessor/ffmpeg] Show ffmpeg output on error (refs #22680) (#29336)

3 years ago · 3a7ef27cf3
parent a7f61feab2
commit 3a7ef27cf3
1 changed files with 4 additions and 1 deletions
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@ -231,7 +231,10 @@ class FFmpegPostProcessor(PostProcessor):
        stdout, stderr = p.communicate()
        if p.returncode != 0:
            stderr = stderr.decode('utf-8', 'replace')
-            msg = stderr.strip().split('\n')[-1]
+            msgs = stderr.strip().split('\n')
+            msg = msgs[-1]
+            if self._downloader.params.get('verbose', False):
+                self._downloader.to_screen('[debug] ' + '\n'.join(msgs[:-1]))
            raise FFmpegPostProcessorError(msg)
        self.try_utime(out_path, oldest_mtime, oldest_mtime)