X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2F__init__.py;h=8817228f31ea9bd9073189a5980d2f56bbf30d44;hb=3a68d7b467d59e6df4d8473989dcd9edb460dd75;hp=2bc9a3fa6ec1d21175442e83d9b1514371d0414f;hpb=b24676ce888c6b597b7e9ca6bb0fca82d71f2ec5;p=youtube-dl

diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index 2bc9a3fa6..8817228f3 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -297,7 +297,7 @@ def parseOpts():
 	postproc.add_option('--audio-format', metavar='FORMAT', dest='audioformat', default='best',
 			help='"best", "aac", "vorbis", "mp3", "m4a", or "wav"; best by default')
 	postproc.add_option('--audio-quality', metavar='QUALITY', dest='audioquality', default='5',
-			help='ffmpeg/avconv audio quality specification, insert a value between 0 (highest) and 9 (lowest) or a specific bitrate like 128 (default 5)')
+			help='ffmpeg/avconv audio quality specification, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)')
 	postproc.add_option('-k', '--keep-video', action='store_true', dest='keepvideo', default=False,
 			help='keeps the video file on disk after the post-processing; the video is erased by default')
 
@@ -443,6 +443,10 @@ def _real_main():
 	if opts.extractaudio:
 		if opts.audioformat not in ['best', 'aac', 'mp3', 'vorbis', 'm4a', 'wav']:
 			parser.error(u'invalid audio format specified')
+	if opts.audioquality:
+		opts.audioquality = opts.audioquality.strip('k').strip('K')
+		if not opts.audioquality.isdigit():
+			parser.error(u'invalid audio quality specified')
 
 	# File downloader
 	fd = FileDownloader({