[FFmpeg-user] Basic ffmpeg user - issues converting

Kassim Massop massop at gmail.com
Sun Sep 30 15:20:52 EEST 2018 

Hi there,

Yes VLC plays back the original unconverted file without issues.

In regards to your request I am a beginner user so bear with me if I get it
wrong.

I assume you want me to run "ffmpeg -i outputfile"

I did this and got the below (my output file is called output.mov)

H:\FFMPEG-Convert\bin>ffmpeg -i output.mov
ffmpeg version N-92065-g476a77128a Copyright (c) 2000-2018 the FFmpeg
developers
  built with gcc 8.2.1 (GCC) 20180813
  configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp
--enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
--enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
--enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid
--enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2
--enable-avisynth
  libavutil      56. 19.101 / 56. 19.101
  libavcodec     58. 31.101 / 58. 31.101
  libavformat    58. 18.103 / 58. 18.103
  libavdevice    58.  4.104 / 58.  4.104
  libavfilter     7. 33.100 /  7. 33.100
  libswscale      5.  2.100 /  5.  2.100
  libswresample   3.  2.100 /  3.  2.100
  libpostproc    55.  2.100 / 55.  2.100
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[h264 @ 0000026b2083c680] non-existing PPS 0 referenced
[h264 @ 0000026b2083c680] decode_slice_header error
[h264 @ 0000026b2083c680] no frame!
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000026b2082a100] decoding for stream 0 failed
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000026b2082a100] Could not find codec
parameters for stream 0 (Video: h264 (aivx / 0x78766961), none, 3840x2160,
47137 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'output.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf58.18.103
    make            : Atomos
    make-eng        : Atomos
  Duration: 00:02:15.60, start: 0.000000, bitrate: 58668 kb/s
    Stream #0:0(eng): Video: h264 (aivx / 0x78766961), none, 3840x2160,
47137 kb/s, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 60k tbn, 120k tbc
(default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc58.31.101 libx264
      timecode        : 04:50:01;16
    Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 10
channels, s32 (24 bit), 11520 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
    Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      handler_name    : TimeCodeHandler
      timecode        : 04:50:01;16
At least one output file must be specified


On Sun, 30 Sep 2018 at 12:56, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2018-09-30 10:51 GMT+02:00, Kassim Massop <massop at gmail.com>:
> > Hi there community,
> >
> > I have recently discovered ffmpeg and am trying to use it to convert &
> > compress my raw footage from an Atomos device.
> >
> > When using the most basic command (ffmpeg -i source.mov output.mov) I get
> > the below error in "basic command"
> >
> > After some googling I found using the copy command can fix this so I used
> > the following command (ffmpeg -i source.mov -acodec copy output.mov)
> which
> > converted successfully but the output video file is unplayable in any
> video
> > player
>
> > (error from VLC - Codec not supported:VLC could not decode the
> > format "aivx" (No description for this codec)).
>
> This is a surprising error in this context:
> Please provide "ffmpeg -i" console output for your output file.
>
> > What am I doing wrong here? Also what would be the best command to run to
> > reduce filesize and keep the quality as high as possible for 1080p/60 &
> > 4k/60 respectivley
>
> You can test with small values for crf.
>
> > (whilst keeping the 10 audio channels)?
>
> I wonder how you are going to play back 10 channel audio?
> Does vlc support your input file / the audio of your input file?
>
> Carl Eugen
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