Bug#1019051: ffmpeg: Repackaging with pipewire: dpkg-shlibdeps: error: no dependency information found for libjack.so.0 used by libavdevice.so.59.7.100

[Sebastian Ramacher <sramacher@debian.org>]

Control: tags -1 moreinfo
Control: severity -1 normal

On 2022-09-03 07:29:20 -0400, Braiam Peguero wrote:
> Package: ffmpeg
> Version: 7:5.1-3
> Severity: serious
> Tags: ftbfs
> Justification: fails to build from source (but built successfully in the past)
> 
> Dear Maintainer,
> 
> Repackaging FFMPEG on a Pipewire enabled host, while fulfilling
> all dependencies fails on the shlibdeps step with the following message:
> 
> set -e && for pkg in libavcodec-extra59 libavfilter-extra8 libavformat-extra59; do \
> 	mainpkg=`echo $pkg | sed 's/-extra//'`; \
> 	cp -f debian/$mainpkg.symbols debian/$pkg.symbols; \
> 	dh_shlibdeps -p$pkg; \
> 	rm -f debian/$pkg.symbols; \
> done
> dh_shlibdeps --remaining-packages
> dpkg-shlibdeps: error: no dependency information found for /usr/lib/x86_64-linux-gnu/pipewire-0.3/jack/libjack.so.0 (used by debian/libavdevice59/usr/lib/x86_64-linux-gnu/libavdevice.so.59.7.100)
> Hint: check if the library actually comes from a package.
> dh_shlibdeps: error: dpkg-shlibdeps -Tdebian/libavdevice59.substvars debian/libavdevice59/usr/lib/x86_64-linux-gnu/libavdevice.so.59.7.100 returned exit code 25
> dh_shlibdeps: error: Aborting due to earlier error

I cannot reproduce this issue when building ffmpeg in sbuild with
pipewire-jack installed. Are you sure that's the root cause of your
issue? Could you please provide a full log?

Cheers

> 
> I'm unsure if ffmpeg dependencies needs to be more tighter wtr jack
> or if a change should be done to pipewire so that it correctly
> declares the shared library.
> 
> -- System Information:
> Debian Release: bookworm/sid
>   APT prefers testing
>   APT policy: (500, 'testing'), (50, 'unstable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
> 
> Kernel: Linux 5.18.0-4-amd64 (SMP w/12 CPU threads; PREEMPT)
> Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
> Shell: /bin/sh linked to /usr/bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
> 
> Versions of packages ffmpeg depends on:
> ii  libavcodec59    7:5.1-3
> ii  libavdevice59   7:5.1-3
> ii  libavfilter8    7:5.1-3
> ii  libavformat59   7:5.1-3
> ii  libavutil57     7:5.1-3
> ii  libc6           2.34-4
> ii  libpostproc56   7:5.1-3
> ii  libsdl2-2.0-0   2.24.0+dfsg-1
> ii  libswresample4  7:5.1-3
> ii  libswscale6     7:5.1-3
> 
> ffmpeg recommends no packages.
> 
> Versions of packages ffmpeg suggests:
> pn  ffmpeg-doc  <none>
> 
> -- no debconf information
> 

-- 
Sebastian Ramacher