[mythtv-commits] Ticket #13292: LiveTV Channel Switching - DVB-T/T2 UK Freeview
MythTV
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Fri Jun 15 13:21:20 UTC 2018
#13292: LiveTV Channel Switching - DVB-T/T2 UK Freeview
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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
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Comment (by Mike Bibbings):
Done some more investigations, the issue seems to be (mainly) with audio
stream detection.
I applied a patch which disabled FAIL return in avformatdecoder.cpp
(attached disable_avformatdecoder_return_FAIL_DEBUGONLY.patch)
The attached log mythfrontend.20180615130657.23054-various-channel-switch-
withdebug-patch.log
shows a number of entries like:
2018-06-15 14:07:44.328931 D [23054/23054] CoreContext
avformatdecoder.cpp:205 (has_codec_parameters) - AFD: unspecified frame
size
With the patch applied channel tuning is far faster, as audio seems to
sort itself out, and detection now works in RingBuffer (it no longer drops
back to in-file).
--
Ticket URL: <https://code.mythtv.org/trac/ticket/13292#comment:8>
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