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-rwxr-xr-xyoutube_dl/YoutubeDL.py2
-rw-r--r--youtube_dl/options.py2
2 files changed, 2 insertions, 2 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 9519594c9..eaba40bf2 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -708,7 +708,7 @@ class YoutubeDL(object):
if video_formats:
return video_formats[0]
else:
- extensions = ['mp4', 'flv', 'webm', '3gp']
+ extensions = ['mp4', 'flv', 'webm', '3gp', 'm4a']
if format_spec in extensions:
filter_f = lambda f: f['ext'] == format_spec
else:
diff --git a/youtube_dl/options.py b/youtube_dl/options.py
index 31baab469..7df20ae61 100644
--- a/youtube_dl/options.py
+++ b/youtube_dl/options.py
@@ -218,7 +218,7 @@ def parseOpts(overrideArguments=None):
video_format.add_option('-f', '--format',
action='store', dest='format', metavar='FORMAT', default=None,
- help='video format code, specify the order of preference using slashes: "-f 22/17/18". "-f mp4" and "-f flv" are also supported. You can also use the special names "best", "bestvideo", "bestaudio", "worst", "worstvideo" and "worstaudio". By default, youtube-dl will pick the best quality.')
+ help='video format code, specify the order of preference using slashes: -f 22/17/18 . -f mp4 , -f m4a and -f flv are also supported. You can also use the special names "best", "bestvideo", "bestaudio", "worst", "worstvideo" and "worstaudio". By default, youtube-dl will pick the best quality.')
video_format.add_option('--all-formats',
action='store_const', dest='format', help='download all available video formats', const='all')
video_format.add_option('--prefer-free-formats',