Audio out of sync on Chrome, Edge and Firefox on Windows 11

[cfcman]

Ok in the end I installed ffmpeg separately, and ran it. This is the log that it produced:

ffmpeg -fflags +genpts+igndts -i "/media/barracuda4tb/Videos/TV/BBC London News; Weather/BBC London News; Weather 2024_11_15_13_35_00.ts" -map 0 -codec copy -max_muxing_queue_size 2048 -max_interleave_delta 0 -avoid_negative_ts disabled BBC_London_News_MP4.mp4
ffmpeg version 4.2.7-0ubuntu0.1 Copyright © 2000-2022 the FFmpeg developers
built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
configuration: --prefix=/usr --extra-version=0ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
libavutil 56. 31.100 / 56. 31.100
libavcodec 58. 54.100 / 58. 54.100
libavformat 58. 29.100 / 58. 29.100
libavdevice 58. 8.100 / 58. 8.100
libavfilter 7. 57.100 / 7. 57.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 5.100 / 5. 5.100
libswresample 3. 5.100 / 3. 5.100
libpostproc 55. 5.100 / 55. 5.100
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] SPS unavailable in decode_picture_timing
[h264 @ 0x559110474840] non-existing PPS 0 referenced
[h264 @ 0x559110474840] decode_slice_header error
[h264 @ 0x559110474840] no frame!
[mpegts @ 0x55911046f880] PES packet size mismatch
[mpegts @ 0x55911046f880] Could not find codec parameters for stream 2 (Unknown: none ([17][0][0][0] / 0x0011)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0x55911046f880] Could not find codec parameters for stream 4 (Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0x55911046f880] Could not find codec parameters for stream 5 (Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0x55911046f880] Could not find codec parameters for stream 6 (Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0x55911046f880] Could not find codec parameters for stream 7 (Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mpegts, from '/media/barracuda4tb/Videos/TV/BBC London News; Weather/BBC London News; Weather 2024_11_15_13_35_00.ts':
Duration: 00:11:59.26, start: 91204.192033, bitrate: 3546 kb/s
Program 17536
Stream #0:0[0x19c9]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x19ca](eng): Audio: aac_latm (LC) ([17][0][0][0] / 0x0011), 48000 Hz, stereo, fltp
Stream #0:2[0x19ce](eng): Unknown: none ([17][0][0][0] / 0x0011) (visual impaired) (descriptions) (dependent)
Stream #0:3[0x19cd](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
Stream #0:4[0x1c86]: Unknown: none ([11][0][0][0] / 0x000B)
Stream #0:5[0x1c97]: Unknown: none ([11][0][0][0] / 0x000B)
Stream #0:6[0x1bc4]: Unknown: none ([5][0][0][0] / 0x0005)
Stream #0:7[0x1bc6]: Unknown: none ([5][0][0][0] / 0x0005)
Cannot map stream #0:2 - unsupported type.
If you want unsupported types ignored instead of failing, please use the -ignore_unknown option
If you want them copied, please use -copy_unknown