Error message when combining -vf and -af in command line

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Error message when combining -vf and -af in command line

Christian Ebert
Hi,

Using -vf and -af in 1 command results in this error message:

Only '-vf scale' read, ignoring remaining -vf options: Use ',' to separate filters
Only '-af aresample' read, ignoring remaining -af options: Use ',' to separate filters

The message does not have any consequences.

Happens also with -filter:v plus -filter:a

Does not happen with -filter_complex

Does this mean that -vf plus -af is deprecated? Or is it a bug?

ffmpeg -i BigBuckBunny_640x360.m4v -vf scale -af aresample out.mpeg
ffmpeg version N-93330-g7ff89574c7 Copyright (c) 2000-2019 the FFmpeg developers
  built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
  configuration: --enable-gpl --enable-nonfree --enable-shared --enable-openssl --enable-pic --enable-libspeex --enable-libopus --enable-libfdk-aac --enable-libx265 --enable-libx264 --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libvidstab --enable-libfreetype --enable-libzimg --enable-libass --extra-cflags=-I/sw/include --extra-libs='-L/sw/lib -L/sw/lib/freetype219/lib -L/sw/lib/gcc7/lib'
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 47.103 / 58. 47.103
  libavformat    58. 26.101 / 58. 26.101
  libavdevice    58.  6.101 / 58.  6.101
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
  libpostproc    55.  4.100 / 55.  4.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'BigBuckBunny_640x360.m4v':
  Metadata:
    major_brand     : M4V
    minor_version   : 1
    compatible_brands: M4V M4A mp42isom
    creation_time   : 2008-06-03T05:23:28.000000Z
    copyright       : © 2008 Blender Foundation | www.bigbuckbunny.org
    title           : Big Buck Bunny
    artist          : Peach Open Movie Team
    composer        : Sacha Goedegebure / Ton Roosendaal
    date            : 2008
  Duration: 00:09:56.46, start: 0.000000, bitrate: 1626 kb/s
    Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      creation_time   : 2008-06-03T05:23:28.000000Z
      handler_name    : Apple Sound Media Handler
    Stream #0:1(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709), 640x359, 1495 kb/s, 24 fps, 24 tbr, 2400 tbn, 4800 tbc (default)
    Metadata:
      creation_time   : 2008-06-03T05:23:28.000000Z
      handler_name    : Apple Video Media Handler
Only '-vf scale' read, ignoring remaining -vf options: Use ',' to separate filters
Only '-af aresample' read, ignoring remaining -af options: Use ',' to separate filters
Stream mapping:
  Stream #0:1 -> #0:0 (h264 (native) -> mpeg1video (native))
  Stream #0:0 -> #0:1 (aac (native) -> mp2 (native))
Press [q] to stop, [?] for help
[mpeg @ 0x7f84ee004e00] VBV buffer size not set, using default size of 230KB
If you want the mpeg file to be compliant to some specification
Like DVD, VCD or others, make sure you set the correct buffer size
Output #0, mpeg, to 'out.mpeg':
  Metadata:
    major_brand     : M4V
    minor_version   : 1
    compatible_brands: M4V M4A mp42isom
    date            : 2008
    copyright       : © 2008 Blender Foundation | www.bigbuckbunny.org
    title           : Big Buck Bunny
    artist          : Peach Open Movie Team
    composer        : Sacha Goedegebure / Ton Roosendaal
    encoder         : Lavf58.26.101
    Stream #0:0(eng): Video: mpeg1video, yuv420p, 640x359, q=2-31, 200 kb/s, 24 fps, 90k tbn, 24 tbc (default)
    Metadata:
      creation_time   : 2008-06-03T05:23:28.000000Z
      handler_name    : Apple Video Media Handler
      encoder         : Lavc58.47.103 mpeg1video
    Side data:
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    Stream #0:1(eng): Audio: mp2, 44100 Hz, stereo, s16, 384 kb/s (default)
    Metadata:
      creation_time   : 2008-06-03T05:23:28.000000Z
      handler_name    : Apple Sound Media Handler
      encoder         : Lavc58.47.103 mp2
frame=14316 fps=1218 q=31.0 Lsize=   47920kB time=00:09:56.46 bitrate= 658.1kbits/s speed=50.7x
video:19500kB audio:27960kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.968647%


TIA

Christian

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Re: Error message when combining -vf and -af in command line

Kieran O'Leary
It appears that this is ticket 7712: https://trac.ffmpeg.org/ticket/7712 and it was introduced here: https://github.com/FFmpeg/FFmpeg/commit/301cee61fa61c55b1c178ebfbc590872e8b033e6 as an attempt to fix an existing bug: https://trac.ffmpeg.org/ticket/4184 

Best,

Kieran.
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Re: Error message when combining -vf and -af in command line

Christian Ebert
* Kieran O'Leary on Wednesday, March 13, 2019 at 15:27:21 +0000:
> It appears that this is ticket 7712: https://trac.ffmpeg.org/ticket/7712

Ah, right, for some reaseon I didn't catch that when searching the bug
tracker.

> and it was introduced here: https://github.com/FFmpeg/FFmpeg/commit/301cee61fa61c55b1c178ebfbc590872e8b033e6 as an attempt to fix an existing bug: https://trac.ffmpeg.org/ticket/4184

Indeed, I kind of guessed that this is meant to warn about
duplicate -vf or -af.

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