There is an updated pull request by tibequadorian against master on the void-packages repository

https://github.com/tibequadorian/void-packages ffmpeg
https://github.com/void-linux/void-packages/pull/36315

[WIP] Tracking: FFmpeg 5.0
[ci skip]

Depends on:
- https://github.com/void-linux/void-packages/pull/35431
- https://github.com/void-linux/void-packages/pull/36158
- https://github.com/void-linux/void-packages/pull/36226
- https://github.com/void-linux/void-packages/pull/36317
- https://github.com/void-linux/void-packages/pull/36318
- https://github.com/void-linux/void-packages/pull/36115
- https://github.com/void-linux/void-packages/pull/36361

Currently build successful against ffmpeg-5.0:
- [x] QMPlay2
- [x] alsa-plugins
- [ ] arcan - depends on vlc
- [ ] attract - fixed in master https://github.com/mickelson/attract/commit/c27312be47dfb7370456a878fc6284883650b7f2
- [x] aubio - patched https://github.com/aubio/aubio/commit/8a05420e5dd8c7b8b2447f82dc919765876511b3
- [x] audacious-plugins - patched https://github.com/audacious-media-player/audacious-plugins/commit/f60beb400eeb1e4778bbfd738bc4a4ccef3de539
- [x] baresip
- [ ] blender - depends on openimageio
- [ ] cantata - depends on vlc
- [ ] ccextractor https://github.com/CCExtractor/ccextractor/issues/1418
- [ ] chromaprint https://github.com/acoustid/chromaprint/issues/33
- [ ] chromium
- [x] cmus
- [ ] deadbeef https://github.com/DeaDBeeF-Player/deadbeef/issues/2758
- [x] dolphin-emu
- [x] droidcam
- [ ] electron10
- [ ] electron13
- [ ] ffmpegthumbnailer https://github.com/dirkvdb/ffmpegthumbnailer/issues/212
- [ ] ffmpegthumbs
- [x] ffms2 - patched https://github.com/FFMS/ffms2/pull/380
- [x] freerdp
- [x] gerbera
- [x] goldendict - patched https://github.com/goldendict/goldendict/commit/03bbe01b79a1f07a6780cb60f23a087104c5d77b, https://github.com/goldendict/goldendict/commit/966f4a8b78e6324b930e5a50f2bb930bd87e565e, https://github.com/goldendict/goldendict/commit/8acb288c9e9bdb3c6bf2e803954dd3b6ac273c05
- [ ] gst-libav - fixed in [1.20](https://gstreamer.freedesktop.org/releases/1.20/)
- [ ] guvcview
- [ ] handbrake
- [ ] hedgewars
- [ ] idjc
- [ ] k3b https://invent.kde.org/multimedia/k3b/-/issues/1
- [x] kfilemetadata5
- [ ] kid3 - depends on chromaprint
- [ ] kodi
- [ ] libextractor
- [ ] libopenshot
- [ ] loudgain https://github.com/Moonbase59/loudgain/issues/49
- [ ] mediastreamer
- [x] mgba - patched https://github.com/mgba-emu/mgba/commit/cdc753516798882a805db1d2042dbce8313382bf
- [x] minidlna
- [ ] mlt
- [ ] mlt7 - depends on opencv4
- [ ] moc - unmaintained since 2016
- [x] motion
- [x] mpd
- [x] mpv
- [x] musikcube
- [x] notcurses
- [ ] obs - depends on vlc
- [ ] olive - fixed in master https://github.com/olive-editor/olive/commit/03f0ec9f641ebfdd1c643f4f908ae10fa587e54b
- [ ] opencv/opencv4 https://github.com/opencv/opencv/issues/20147
- [ ] openimageio - fixed in [2.3.13.0](https://github.com/OpenImageIO/oiio/releases/tag/v2.3.13.0)
- [ ] openmw - depends on osg
- [ ] osg https://github.com/openscenegraph/OpenSceneGraph/issues/1111
- [ ] pianobar https://github.com/PromyLOPh/pianobar/issues/730
- [ ] ppsspp https://github.com/hrydgard/ppsspp/issues/15308
- [x] pqiv
- [x] qmmp
- [ ] qt5-webengine
- [ ] qtav https://github.com/wang-bin/QtAV/issues/1377
- [x] qtox - patched https://github.com/qTox/qTox/commit/15673a52b6b4805d482b69281e21947fb7096e05
- [x] retroarch
- [x] scrcpy
- [ ] siril - depends on opencv
- [ ] spek-alternative https://github.com/withmorten/spek-alternative/issues/15
- [ ] ssr https://github.com/MaartenBaert/ssr/issues/949
- [ ] sumo - depends on osg
- [ ] synfig - depends on mlt
- [ ] synfigstudio - depends on synfig
- [ ] telegram-desktop - fixed in 3.6.0 https://github.com/telegramdesktop/tdesktop/commit/436622ad7c41d45b8b56873c086d37d2eff4d493
- [x] timg
- [ ] transcode - upstream dead
- [ ] tvheadend
- [ ] unpaper - https://github.com/unpaper/unpaper/commit/584b460279658511d1079411b16d997f7b66d25e https://github.com/unpaper/unpaper/commit/22294ee2bfb35effeda62bf562c2509e0066af5e
- [ ] vba-m https://github.com/visualboyadvance-m/visualboyadvance-m/issues/912
- [ ] vlc - fixed in [4.0](https://code.videolan.org/videolan/vlc/-/merge_requests/1238)
- [x] waypipe
- [ ] wf-recorder https://github.com/ammen99/wf-recorder/commit/47a3905f670fe12ecbdfe4719df654df1cd183e2
- [x] xine-lib
- [ ] xpra - depends on opencv

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A patch file from https://github.com/void-linux/void-packages/pull/36315.patch is attached