Impossible to convert between... formats... 'Parsed_null_0' and 'auto_scaler_0'

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Impossible to convert between... formats... 'Parsed_null_0' and 'auto_scaler_0'

Andrews, Vincent
Hello,

We are trying to setup ffmpeg on a CentOS7 system without hardware acceleration so that we can convert *.mov files to *.mp4.

ffmpeg V4.3.2 was configured with: “./configure --prefix=/opt/vince --disable-cuda-llvm --disable-cuvid --disable-hwaccels”

The following command, which works on a Mac does not work on the Linux system:

$ ffmpeg -i /scratch/general/video/CE11009_232.mov -c:v h264  CE11009_231.mp4

The output is as follows, but after looking up the error – I still cannot get my head around the solution. Please help.

Thank you.
Vincent Andrews.


ffmpeg version 4.3.2 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-44)
  configuration: --prefix=/opt/vince --disable-cuda-llvm --disable-cuvid --disable-hwaccels
  libavutil      56. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
Guessed Channel Layout for Input Stream #0.0 : mono
Guessed Channel Layout for Input Stream #0.1 : mono
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/scratch/general/video/CE11009_232.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537199360
    compatible_brands: qt
    creation_time   : 2012-05-19T18:55:59.000000Z
  Duration: 00:00:22.44, start: 0.000000, bitrate: 121341 kb/s
    Stream #0:0(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Metadata:
      creation_time   : 2012-05-19T18:55:59.000000Z
      handler_name    : Libquicktime Sound Media Handler
    Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s (default)
    Metadata:
      creation_time   : 2012-05-19T18:55:59.000000Z
      handler_name    : Libquicktime Sound Media Handler
    Stream #0:2(eng): Video: prores (Standard) (apcn / 0x6E637061), yuv422p10le(tv, unknown/reserved/reserved, top coded first (swapped)), 1920x1080, 119034 kb/s, 25 fps, 25 tbr, 2500 tbn, 2500 tbc (default)
    Metadata:
      creation_time   : 2012-05-19T18:55:59.000000Z
      handler_name    : Libquicktime Video Media Handler
      encoder         : Apple ProRes 422
      timecode        : 18:55:59:00
    Stream #0:3(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
    Metadata:
      rotate          : 0
      creation_time   : 2012-05-19T18:55:59.000000Z
      handler_name    : Libquicktime Time Code Media Handler
      reel_name       : 1
      timecode        : 18:55:59:00
File 'CE11009_231.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:2 -> #0:0 (prores (native) -> h264 (h264_vaapi))
  Stream #0:0 -> #0:1 (pcm_s24le (native) -> aac (native))
Press [q] to stop, [?] for help
Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented

Error while processing the decoded data for stream #0:2

Conversion failed!



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Re: Impossible to convert between... formats... 'Parsed_null_0' and 'auto_scaler_0'

Carl Eugen Hoyos-2
Am Mo., 22. März 2021 um 13:33 Uhr schrieb Andrews, Vincent
<[hidden email]>:

> We are trying to setup ffmpeg on a CentOS7 system without hardware acceleration so that we can convert *.mov files to *.mp4.
>
> ffmpeg V4.3.2 was configured with:

Please test current FFmpeg git head, if you use a precompiled binary,
it will probably fix
your issue.

> “./configure --prefix=/opt/vince --disable-cuda-llvm --disable-cuvid --disable-hwaccels”

> $ ffmpeg -i /scratch/general/video/CE11009_232.mov -c:v h264  CE11009_231.mp4

Which encoder is this command line supposed to use given above configure line?

[...]

> This email and any attachments are intended solely for the use of the named recipients.

Please remove this nonsense from emails sent to a public mailing list.

Carl Eugen
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