On 21/04/2020 08:12, UB40D wrote:
> As of recently, a number of existing recordings have become
> essentially unwatchable because their video and audio are out of sync
> by what feels like a minute or more. I haven't actually measured but
> it's definitely closer to a minute than to a second, as in "that's the
> audio for the next scene, or the one after that".
>
> It seems that the HD recordings are still perfectly in sync and it's
> only the SD ones that are affected.
>
> The problem is only with the mythtv built-in player because if I open
> the same files in VLC then the audio and video are still perfectly in
> sync. But of course it's a pain to watch a recorded movie via VLC
> because the cut list is not honoured so I have to skip all the
> commercials all over again (not counting the faff about finding the
> actual file name and invoking VLC from the command line).
>
> Are there known a/v sync issues with the mythtv player? More
> importantly, are there any recommended fixes?
>
> mythfrontend --version
>
> Please attach all output as a file in bug reports.
>
> MythTV Version : v32.0~master.202004182203.c1fb397~ubuntu20.04.1
>
> MythTV Branch : master
>
> Network Protocol : 91
>
> Library API : 32.20200101-1
>
> QT Version : 5.12.8
>
> Options compiled in:
>
> linux profile use_hidesyms using_alsa using_oss using_pulse
> using_pulseoutput using_backend using_bindings_perl
> using_bindings_python using_bindings_php using_dvb using_firewire
> using_frontend using_hdhomerun using_vbox using_ceton using_hdpvr
> using_ivtv using_joystick_menu using_libcec using_libcrypto
> using_gnutls using_libdns_sd using_libfftw3 using_libxml2 using_lirc
> using_mheg using_opengl using_egl using_qtwebkit using_qtscript
> using_qtdbus using_taglib using_v4l2 using_x11
> using_libbluray_external using_xrandr using_profiletype
> using_systemd_notify using_systemd_journal using_bindings_perl
> using_bindings_python using_bindings_php using_freetype2
> using_mythtranscode using_opengl using_egl using_vaapi using_nvdec
> using_vdpau using_ffmpeg_threads using_mheg using_libass using_libxml2
> using_libmp3lame
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums:https://forum.mythtv.org
This problem occurred about a month ago in fixes 31 but in my use case
only effects software playback using ffmpeg, all the hardware playback
profiles are unaffected.
> As of recently, a number of existing recordings have become
> essentially unwatchable because their video and audio are out of sync
> by what feels like a minute or more. I haven't actually measured but
> it's definitely closer to a minute than to a second, as in "that's the
> audio for the next scene, or the one after that".
>
> It seems that the HD recordings are still perfectly in sync and it's
> only the SD ones that are affected.
>
> The problem is only with the mythtv built-in player because if I open
> the same files in VLC then the audio and video are still perfectly in
> sync. But of course it's a pain to watch a recorded movie via VLC
> because the cut list is not honoured so I have to skip all the
> commercials all over again (not counting the faff about finding the
> actual file name and invoking VLC from the command line).
>
> Are there known a/v sync issues with the mythtv player? More
> importantly, are there any recommended fixes?
>
> mythfrontend --version
>
> Please attach all output as a file in bug reports.
>
> MythTV Version : v32.0~master.202004182203.c1fb397~ubuntu20.04.1
>
> MythTV Branch : master
>
> Network Protocol : 91
>
> Library API : 32.20200101-1
>
> QT Version : 5.12.8
>
> Options compiled in:
>
> linux profile use_hidesyms using_alsa using_oss using_pulse
> using_pulseoutput using_backend using_bindings_perl
> using_bindings_python using_bindings_php using_dvb using_firewire
> using_frontend using_hdhomerun using_vbox using_ceton using_hdpvr
> using_ivtv using_joystick_menu using_libcec using_libcrypto
> using_gnutls using_libdns_sd using_libfftw3 using_libxml2 using_lirc
> using_mheg using_opengl using_egl using_qtwebkit using_qtscript
> using_qtdbus using_taglib using_v4l2 using_x11
> using_libbluray_external using_xrandr using_profiletype
> using_systemd_notify using_systemd_journal using_bindings_perl
> using_bindings_python using_bindings_php using_freetype2
> using_mythtranscode using_opengl using_egl using_vaapi using_nvdec
> using_vdpau using_ffmpeg_threads using_mheg using_libass using_libxml2
> using_libmp3lame
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users@mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums:https://forum.mythtv.org
This problem occurred about a month ago in fixes 31 but in my use case
only effects software playback using ffmpeg, all the hardware playback
profiles are unaffected.