[mythtv-commits] Ticket #12819: Enabling time stretch on Raspberry Pi v3 platform causes jerky playback.

MythTV noreply at mythtv.org
Thu Sep 29 18:22:24 UTC 2016


#12819: Enabling time stretch on Raspberry Pi v3 platform causes jerky playback.
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 Reporter:  nemiroal@…            |          Owner:  pbennett
     Type:  Bug Report - General  |         Status:  accepted
 Priority:  minor                 |      Milestone:  unknown
Component:  Ports - rPi           |        Version:  0.28.0
 Severity:  medium                |     Resolution:
 Keywords:                        |  Ticket locked:  0
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Comment (by dekarl):

 Replying to [comment:4 markspieth]:
 > What it really needs is mmx/vfp equiv for arm assembly routines written.
 > I checked upstream and there is no ARM optimised version (yet).
 > ALternatively we can go back to integer mode which will be faster.

 I took a peek at the various "let the VideoCore accelerate your stuff"
 bits of information out there but had a hard time finding out how/if you
 can mix QPU programs with OpenGLES and OpenMAX usage.

 https://github.com/hermanhermitage/videocoreiv#introduction

 https://github.com/mn416/QPULib#qpulib

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Ticket URL: <https://code.mythtv.org/trac/ticket/12819#comment:10>
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