[FFmpeg-user] Remove audio from DV file not working

[Tim Hiles]

On Mon, Dec 26, 2016 at 4:40 PM, 桃源老師 <xanadu6291 at dream.jp> wrote:

> Sorry if I disturbing you...
>
> > 2016/12/27 7:47 A.M. Tim Hiles <thiles at confex.com> wrote:
> >
> > ffmpeg -i "clip-2007-01-01 17;02;58.dv" -c copy -an "noaudio.dv"
>
> I think you should tell ffmpeg to:
>
> ffmpeg -i "clip-2007-01-01 17;02;58.dv" -c:v copy -an "noaudio.dv"
>
> you might missing "-c:v"...
>
>
Thanks for the suggestion but unfortunately that didn't work either.

 ffmpeg -i "clip-2007-01-01 17;02;58.dv" -c:v copy -an "noaudio.dv"
ffmpeg version N-82889-g54931fd Copyright (c) 2000-2016 the FFmpeg
developers
  built with gcc 5.4.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-dxva2
--enable-libmfx --enable-nvenc --enable-avisynth --enable
-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
--enable-libass --enable-libbluray --enable-li
bbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
--enable-libilbc --enable-libmodplug --enabl
e-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenh264 --enable-libopenjpeg --enable-li
bopus --enable-librtmp --enable-libsnappy --enable-libsoxr
--enable-libspeex --enable-libtheora --enable-libtwolame --en
able-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
--enable-libwavpack --enable-libwebp --enable
-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libzimg --enable-lzma --enable-decklink --enable-zl
ib
  libavutil      55. 43.100 / 55. 43.100
  libavcodec     57. 68.100 / 57. 68.100
  libavformat    57. 61.100 / 57. 61.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 68.100 /  6. 68.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[dv @ 000000000045a9a0] Estimating duration from bitrate, this may be
inaccurate
Input #0, dv, from 'clip-2007-01-01 17;02;58.dv':
  Metadata:
    timecode        : 00:33:32;19
  Duration: 00:00:30.96, start: 0.000000, bitrate: 28771 kb/s
    Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 8:9 DAR 4:3], 25000
kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97
tbc
    Stream #0:1: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
    Stream #0:2: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
Output #0, dv, to 'noaudio.dv':
  Metadata:
    timecode        : 00:33:32;19
    encoder         : Lavf57.61.100
    Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 8:9 DAR 4:3],
q=2-31, 25000 kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn
, 29.97 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
frame=  928 fps=449 q=-1.0 Lsize=  108750kB time=00:00:30.96
bitrate=28771.2kbits/s speed=  15x
video:108750kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.000000%


ffmpeg -i "noaudio.dv"
ffmpeg version N-82889-g54931fd Copyright (c) 2000-2016 the FFmpeg
developers
  built with gcc 5.4.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-dxva2
--enable-libmfx --enable-nvenc --enable-avisynth --enable
-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
--enable-libass --enable-libbluray --enable-li
bbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
--enable-libilbc --enable-libmodplug --enabl
e-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenh264 --enable-libopenjpeg --enable-li
bopus --enable-librtmp --enable-libsnappy --enable-libsoxr
--enable-libspeex --enable-libtheora --enable-libtwolame --en
able-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
--enable-libwavpack --enable-libwebp --enable
-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libzimg --enable-lzma --enable-decklink --enable-zl
ib
  libavutil      55. 43.100 / 55. 43.100
  libavcodec     57. 68.100 / 57. 68.100
  libavformat    57. 61.100 / 57. 61.100
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 68.100 /  6. 68.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[dv @ 00000000004aa700] Estimating duration from bitrate, this may be
inaccurate
Input #0, dv, from 'noaudio.dv':
  Metadata:
    timecode        : 00:33:32;19
  Duration: 00:00:30.96, start: 0.000000, bitrate: 28771 kb/s
    Stream #0:0: Video: dvvideo, yuv411p, 720x480 [SAR 8:9 DAR 4:3], 25000
kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97
tbc
    Stream #0:1: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
    Stream #0:2: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
At least one output file must be specified

Anyone else have any ideas?

Thanks!
Tim