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

[Steven Liu]

2016-12-27 11:03 GMT+08:00 Tim Hiles <thiles at confex.com>:

> 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
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 ffmpeg -i "clip-2007-01-01 17;02;58.dv" -c:v copy -an -map 0:0 "noaudio.dv"