[downloader/external] pass configuration args to ffmpeg

diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py
index 2ddd76882a65c629039f7c52a715fadc55bf98a1..697f81e3f66118b163a1d08d1ad533ba2a199829 100644 (file)
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@@ -181,6 +181,8 @@ class FFmpegFD(ExternalFD):
 
         args = [ffpp.executable, '-y']
 
+        args += self._configuration_args()
+
         # start_time = info_dict.get('start_time') or 0
         # if start_time:
         #     args += ['-ss', compat_str(start_time)]