[mythtv-users] New Install package for MythTV 0.27 on Raspberry Pi 2 Jessie

Mike Bibbings mike.bibbings at gmail.com
Sat Mar 12 16:35:02 UTC 2016


On 11/03/16 20:40, Peter Bennett (cats22) wrote:
> There is an updated install package that fixes the crash when resolution
> changes.
>
> Get the latest package here
> https://github.com/bennettpeter/mythtv/releases
>
> Peter
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Peter,
Slightly OT, but it might have a bearing on some of the audio/video 
issues various people have been reporting.
I am running mythtv-backend 0.28, so I decided to do a build of your 
master branch on a Pi2 (setup with rootfs on hard disk) using Qt5.3.2 on 
Jessie, including plugins (News and Web work fine).

Whilst doing 'lsof -p <pid mythfrontend>' I noticed a double linkage to 
libEGL.so and libGLESv2.so:

mythfront 16958   pi  mem    REG        8,1   146848   11669836 
/usr/lib/arm-linux-gnueabihf/libEGL.so.1.0.0
mythfront 16958   pi  mem    REG        8,1   201752 24129012 
/opt/vc/lib/libEGL.so
mythfront 16958   pi  mem    REG        8,1   105768 24129014 
/opt/vc/lib/libGLESv2.so
mythfront 16958   pi  mem    REG        8,1    29996 11669840 
/usr/lib/arm-linux-gnueabihf/libGLESv2.so.2.0.0

I believe the correct ones are in /opt/vc/lib.

I had also done a build using Qt5.5.1 (full build of Qt5.5.1 on Pi2 took 
a while!), but one of the instructions was to fixup some links in Jessie 
(see https://wiki.qt.io/Native_Build_of_Qt_5.4.1_on_a_Raspberry_Pi the 
installation protocol part for Full native build of Qt 5.5.1 )

### fix the egl/gles library nonsense
### http://wiki.qt.io/RaspberryPi2EGLFS

sudo mv /usr/lib/arm-linux-gnueabihf/libEGL.so.1.0.0 
/usr/lib/arm-linux-gnueabihf/libEGL.so.1.0.0.backup
sudo mv /usr/lib/arm-linux-gnueabihf/libGLESv2.so.2.0.0 
/usr/lib/arm-linux-gnueabihf/libGLESv2.so.2.0.0.backup
sudo ln -s /opt/vc/lib/libEGL.so 
/usr/lib/arm-linux-gnueabihf/libEGL.so.1.0.0
sudo ln -s /opt/vc/lib/libGLESv2.so 
/usr/lib/arm-linux-gnueabihf/libGLESv2.so.2.0.0

The other things I had to to do for my setup in /boot/config.txt

uncomment "disable_overscan=1"  tv is LG 42LM3450
set "hdmi_group=1"
set "hdmi_mode=31"

The hdmi settings give me 1080p 50Hz (for UK), otherwise  Pi2 defaulted 
to 1080p 60Hz

Mike











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