[FFmpeg-user] ffmpeg convert video to audio error

[steve at theturtleroom.com]

Moritz -   
Ah, you meant the console output...not input. My bad.
 
Here it is:
 
Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.
 C:\Users\senders>ffmpeg -i T:\theTurtleRoom\thePondcast\Episodes\thePondcast-Epi
sode17.mp4 -vn -c:a copy T:\theTurtleRoom\thePondcast\Episodes\thePondcast-Episo
de17.m4a
ffmpeg version N-50911-g9efcfbe Copyright (c) 2000-2013 the FFmpeg developers
 built on Mar 13 2013 21:26:48 with gcc 4.7.2 (GCC)
 configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
sm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libo
pencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-li
bschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-lib
twolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enabl
e-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
 libavutil 52. 19.100 / 52. 19.100
 libavcodec 55. 0.100 / 55. 0.100
 libavformat 55. 0.100 / 55. 0.100
 libavdevice 54. 4.100 / 54. 4.100
 libavfilter 3. 45.103 / 3. 45.103
 libswscale 2. 2.100 / 2. 2.100
 libswresample 0. 17.102 / 0. 17.102
 libpostproc 52. 2.100 / 52. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'T:\theTurtleRoom\thePondcast\Episodes\t
hePondcast-Episode17.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 creation_time : 2015-05-05 00:14:30
 Duration: 01:00:39.77, start: 0.000000, bitrate: 508 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720
[SAR 1:1 DAR 16:9], 1074 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 19
1 kb/s
 Metadata:
 creation_time : 2015-05-05 00:14:46
 handler_name : IsoMedia File Produced by Google, 5-11-2011
Output #0, ipod, to 'T:\theTurtleRoom\thePondcast\Episodes\thePondcast-Episode17
.m4a':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 encoder : Lavf55.0.100
 Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, 191 kb/s
 Metadata:
 creation_time : 2015-05-05 00:14:46
 handler_name : IsoMedia File Produced by Google, 5-11-2011
Stream mapping:
 Stream #0:1 -> #0:0 (copy)
Press [q] to stop, [?] for help
size= 35546kB time=00:25:05.79 bitrate= 193.4kbits/s
video:0kB audio:35292kB subtitle:0 global headers:0kB muxing overhead 0.720327%
 C:\Users\senders>ffmpeg -i T:\theTurtleRoom\thePondcast\Episodes\thePondcast-Epi
sode17.mp4 -vn -b:a 128k -c:a libmp3lame T:\theTurtleRoom\thePondcast\Episodes\t
hePondcast-Episode17.mp3
ffmpeg version N-50911-g9efcfbe Copyright (c) 2000-2013 the FFmpeg developers
 built on Mar 13 2013 21:26:48 with gcc 4.7.2 (GCC)
 configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
sm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libo
pencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-li
bschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-lib
twolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enabl
e-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
 libavutil 52. 19.100 / 52. 19.100
 libavcodec 55. 0.100 / 55. 0.100
 libavformat 55. 0.100 / 55. 0.100
 libavdevice 54. 4.100 / 54. 4.100
 libavfilter 3. 45.103 / 3. 45.103
 libswscale 2. 2.100 / 2. 2.100
 libswresample 0. 17.102 / 0. 17.102
 libpostproc 52. 2.100 / 52. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'T:\theTurtleRoom\thePondcast\Episodes\t
hePondcast-Episode17.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 creation_time : 2015-05-05 00:14:30
 Duration: 01:00:39.77, start: 0.000000, bitrate: 508 kb/s
 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720
[SAR 1:1 DAR 16:9], 1074 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc
 Metadata:
 handler_name : VideoHandler
 Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 19
1 kb/s
 Metadata:
 creation_time : 2015-05-05 00:14:46
 handler_name : IsoMedia File Produced by Google, 5-11-2011
Output #0, mp3, to 'T:\theTurtleRoom\thePondcast\Episodes\thePondcast-Episode17.
mp3':
 Metadata:
 major_brand : mp42
 minor_version : 0
 compatible_brands: isommp42
 TSSE : Lavf55.0.100
 Stream #0:0(und): Audio: mp3, 44100 Hz, stereo, fltp, 128 kb/s
 Metadata:
 creation_time : 2015-05-05 00:14:46
 handler_name : IsoMedia File Produced by Google, 5-11-2011
Stream mapping:
 Stream #0:1 -> #0:0 (aac -> libmp3lame)
Press [q] to stop, [?] for help
size= 23529kB time=00:25:05.80 bitrate= 128.0kbits/s
video:0kB audio:23529kB subtitle:0 global headers:0kB muxing overhead 0.002258%