Package: ffmpeg Version: 7:4.3-3+b1 Severity: wishlist To convert a HDR video to a non-HDR one, you need the zscale filter, but it's not available/enabled in the Debian build of ffmpeg. Hereby the request to enable it.
ffmpeg -i "input.mkv" -map 0:v -map 0:a? -map 0:s? -c:s copy -c:a copy -vf zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv420p10le -c:v libx265 -crf 22 -preset slow -max_muxing_queue_size 4096 "output.mkv" results now in: [AVFilterGraph @ 0x55ab18072c00] No such filter: 'zscale' Error reinitializing filters! Failed to inject frame into filter network: Invalid argument -- System Information: Debian Release: bullseye/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing'), (101, 'experimental'), (1, 'experimental-debug') Architecture: amd64 (x86_64) Kernel: Linux 5.7.0-1-amd64 (SMP w/16 CPU threads) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages ffmpeg depends on: ii libavcodec58 7:4.3-3+b1 ii libavdevice58 7:4.3-3+b1 ii libavfilter7 7:4.3-3+b1 ii libavformat58 7:4.3-3+b1 ii libavresample4 7:4.3-3+b1 ii libavutil56 7:4.3-3+b1 ii libc6 2.31-1 ii libpostproc55 7:4.3-3+b1 ii libsdl2-2.0-0 2.0.12+dfsg1-1 ii libswresample3 7:4.3-3+b1 ii libswscale5 7:4.3-3+b1 ffmpeg recommends no packages. Versions of packages ffmpeg suggests: pn ffmpeg-doc <none> -- no debconf information