X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=inline;f=youtube_dl%2Fpostprocessor%2Fffmpeg.py;h=45328ed43ef44052fedb9dcf5f2de012aa3007ae;hb=7fbf54dc62b43884d49d1d96854dc82a38b8b42f;hp=75ee87e1a2d853cf00ae00d3ea4dd55ef1145162;hpb=149254d0d5fd9407a008e31c2e4362316e625d35;p=youtube-dl

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 75ee87e1a..45328ed43 100644
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -9,6 +9,7 @@ from .common import AudioConversionError, PostProcessor
 from ..utils import (
     check_executable,
     compat_subprocess_get_DEVNULL,
+    encodeArgument,
     encodeFilename,
     PostProcessingError,
     prepend_extension,
@@ -48,13 +49,13 @@ class FFmpegPostProcessor(PostProcessor):
         for path in input_paths:
             files_cmd.extend(['-i', encodeFilename(path, True)])
         cmd = ([self._get_executable(), '-y'] + files_cmd
-               + opts +
+               + [encodeArgument(o) for o in opts] +
                [encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
 
         if self._downloader.params.get('verbose', False):
             self._downloader.to_screen(u'[debug] ffmpeg command line: %s' % shell_quote(cmd))
         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        stdout,stderr = p.communicate()
+        stdout, stderr = p.communicate()
         if p.returncode != 0:
             stderr = stderr.decode('utf-8', 'replace')
             msg = stderr.strip().split('\n')[-1]
@@ -464,7 +465,11 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
 
-        options = ['-c', 'copy']
+        if info['ext'] == u'm4a':
+            options = ['-vn', '-acodec', 'copy']
+        else:
+            options = ['-c', 'copy']
+
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])