X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fdownloader%2Fexternal.py;h=fcb956e6caed93058ab7bc005abc8ef02c883dbd;hb=a755f82549cb6bffd8ff9545e0b0a4883b7422d2;hp=a4fdf1af8053a2d3215cdbcc2f2333ba61d7807c;hpb=f34294fa0c0097cea7f6388d5d691d5a54950491;p=youtube-dl

diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py
index a4fdf1af8..fcb956e6c 100644
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@@ -6,7 +6,7 @@ import sys
 import re
 
 from .common import FileDownloader
-from ..postprocessor.ffmpeg import FFmpegPostProcessor
+from ..postprocessor.ffmpeg import FFmpegPostProcessor, EXT_TO_OUT_FORMATS
 from ..compat import compat_str
 from ..utils import (
     cli_option,
@@ -197,7 +197,7 @@ class FFmpegFD(ExternalFD):
             else:
                 args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
         else:
-            args += ['-f', info_dict['ext']]
+            args += ['-f', EXT_TO_OUT_FORMATS.get(info_dict['ext'], info_dict['ext'])]
 
         args = [encodeArgument(opt) for opt in args]
         args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))