[mythtv] [mythtv-commits] Ticket #13292: LiveTV Channel Switching - DVB-T/T2 UK Freeview
Mike Bibbings
mike.bibbings at gmail.com
Thu Jun 7 13:23:42 UTC 2018
On 07/06/18 14:01, John Pilkington wrote:
> On 07/06/18 08:42, MythTV wrote:
>> #13292: LiveTV Channel Switching - DVB-T/T2 UK Freeview
>> ----------------------------------+------------------------------
>> Reporter: Mike Bibbings | Owner: (none)
>> Type: Bug Report - General | Status: new
>> Priority: minor | Milestone: needs_triage
>> Component: MythTV - DVB | Version: Master Head
>> Severity: medium | Resolution:
>> Keywords: | Ticket locked: 0
>> ----------------------------------+------------------------------
>>
>> Comment (by Mike Bibbings):
>>
>> transport dumps for skynews, single channel and full mux are
>> available at
>> https://www.dropbox.com/sh/0n0t3ebp4nwiy3g/AACeC4WijoHLzj6Mrq1pgdmDa?dl=0
>>
>
> I'm getting read-only access to Trac at present.
>
> I don't use 'live' much, but viewing SkyNews does seem to have
> hang-ups. Entering via 'Watch this channel,' it often works for me,
> but sometimes no sound: quit by ^C.
>
> {{{
> 2018-06-07 13:43:18.924803 N Player(0): Waited 1396ms for video
> buffers uLLAAAAAAAAAAAAAAAAAAAAAAAAAAAAP
> 2018-06-07 13:43:19.032085 N Player(0): Waited 1503ms for video
> buffers uLLAAAAAAAAAAAAAAAAAAAAAAAAAAAAP
> 2018-06-07 13:43:19.139402 N Player(0): Waited 1611ms for video
> buffers uLLAAAAAAAAAAAAAAAAAAAAAAAAAAAAP
> 2018-06-07 13:43:19.246688 N Player(0): Waited 1718ms for video
> buffers uLLAAAAAAAAAAAAAAAAAAAAAAAAAAAAP
> 2018-06-07 13:43:19.345546 W AFD: Audio 56200113 ms behind video but
> already 220 video frames queued. AV-Sync might be broken.
> 2018-06-07 13:43:19.346439 W AFD: Audio 56200153 ms behind video but
> already 220 video frames queued. AV-Sync might be broken.
> 2018-06-07 13:43:19.347502 W AFD: Audio 56200193 ms behind video but
> already 220 video frames queued. AV-Sync might be broken.
> 2018-06-07 13:43:19.353942 N Player(0): Waited 1825ms for video
> buffers UuUULLAAAAAAAAAAAAAAAAAAAAAAAAAP
> 2018-06-07 13:43:19.461140 N Player(0): Waited 1933ms for video
> buffers UuUULLAAAAAAAAAAAAAAAAAAAAAAAAAP
> }}}
>
> and sometimes the Decoder fails. That's master-pre-ff4. Doesn't seem
> much different with ff4.
>
> And playing a radio channel (I think the ^C probably stopped the
> expected channel update) needed another ^C to quit.
You need to login to trac now to create a ticket and presumably to
comment on an existing ticket - I used my github login.
Also I am not seeing notifications from trac (I think someone commented
on one of the lists that there are/were problems with notifications).
Good news that you can see the SkyNews problem as well (rules out
transmitter or hardware issues - I see the problems on three different
hardware setups, two using different makes of pcie tuners cards and one
using a usb tuner)
If you run "mythfrontend --logpath . -v playback,audio,libav --loglevel
debug" this shows what is happening.
I can build from source and help to debug this if given some guidance
e.g. extra debug statements, possible fixes etc.
Mike
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