[🐛 Bug]: ffmpeg is being built without audio devices support(pulse, alsa)

[alexblatov]

What happened?

Since these changes d66ac52
We lost the option to use ffmpeg with capturing audio args:
ffmpeg -y -f x11grab -video_size 1920x1080 -i $DISPLAY -f pulse -ac 2 -i default -r 12 -c:v libx264 /home/seluser/chromium/desktop-capture.mp4

The reason is because ffmpeg is being built without
--enable-pulse
flag on ./configure step.

Command used to start Selenium Grid with Docker (or Kubernetes)

ffmpeg -y -f x11grab -video_size 1920x1080 -i $DISPLAY **-f pulse -ac 2 -i default** -r 12 -c:v libx264 /home/seluser/chromium/desktop-capture.mp4

Relevant log output

$ ffmpeg -y -f x11grab -video_size 1920x1080 -i $DISPLAY -f pulse -ac 2 -i default -r 12 -c:v libx264 /home/seluser/chromium/desktop-capture.mp4
ffmpeg version 7.1 Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 13 (Ubuntu 13.3.0-6ubuntu2~24.04)
  configuration: --prefix=/usr/local --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libx264 --enable-libxcb --enable-static
  libavutil      59. 39.100 / 59. 39.100
  libavcodec     61. 19.101 / 61. 19.101
  libavformat    61.  7.100 / 61.  7.100
  libavdevice    61.  3.100 / 61.  3.100
  libavfilter    10.  4.100 / 10.  4.100
  libswscale      8.  3.100 /  8.  3.100
  libswresample   5.  3.100 /  5.  3.100
  libpostproc    58.  3.100 / 58.  3.100
[x11grab @ 0x558149dd9940] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, x11grab, from ':99.0':
  Duration: N/A, start: 1736849663.162687, bitrate: 1988667 kb/s
  Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1920x1080, 1988667 kb/s, 29.97 fps, 1000k tbr, 1000k tbn
[in#1 @ 0x558149de2840] Unknown input format: 'pulse'
Error opening input file default.
Error opening input files: Invalid argument

Operating System

Windows 10

Docker Selenium version (image tag)

4.27.0-20250101

Selenium Grid chart version (chart version)

No response

[github-actions]

@alexblatov, thank you for creating this issue. We will troubleshoot it as soon as we can.

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Thank you!

[VietND96]

Ok, I will add this. It will be delivered via Nightly image tag for your evaluation.

[VietND96]

@alexblatov can you use selenium/video:nightly and confirm before we release official images?

[alexblatov]

tested on our side, works fine now, thank a lot for your support @VietND96 !

[github-actions]

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