[mythtv] Developing RPI2 MythTV package for ArchLinux ARM

[warpme]

> Wiadomość napisana przez Peter Bennett <pgbennett at comcast.net> w dniu 18.01.2016, o godz. 18:46:
>> 
> 
> I see the same message in Raspbian. I am using XCB and it is working fine - these are the messages in the log, so I think you are OK.
> 
> 2016-01-04 18:41:08.015481 E  X11 ModeLine query returned zeroes
> QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled
> 2016-01-04 18:41:08.310967 E  VOMX:4 Init failed to create MythRenderEGL

Good to hear this. I spent considerable time to get Qt5 properly working on ArchLinux ARM.

>> 
> I am using XCB and OSD does not work well (known issue). With EGLFS the OSD works smoothly for me but I have not noticed if there is a delay the first time.
Interesting is that when I connected RPI2 to my TV and ask for 1080p at 50 video mode OSD starts to be smooth with EGLFS.
Playback is however still jumpy with a lot of 

2016-01-19 17:26:16.810760 I  Player(0): FPS:   23.93 Mean: 41796 Std.Dev: 23049 CPUs: 19% 16% 14% 14% 
2016-01-19 17:26:16.996387 I  Player(0): Waiting for video buffers...
2016-01-19 17:26:17.034608 I  ALSA: WriteAudio: buffer underrun
2016-01-19 17:26:17.654785 I  Player(0): Waiting for video buffers...
2016-01-19 17:26:17.999517 I  Player(0): Waiting for video buffers...
2016-01-19 17:26:18.004583 I  ALSA: WriteAudio: buffer underrun
2016-01-19 17:26:18.186695 I  Player(0): Waiting for video buffers...
2016-01-19 17:26:18.856670 I  ALSA: WriteAudio: buffer underrun
2016-01-19 17:26:19.236134 I  Player(0): Waiting for video buffers...
2016-01-19 17:26:19.860658 I  ALSA: WriteAudio: buffer underrun
2016-01-19 17:26:20.360588 I  Player(0): Waiting for video buffers...
2016-01-19 17:26:21.056590 I  Player(0): FPS:   23.61 Mean: 42346 Std.Dev: 22482 CPUs: 13% 11% 8% 12%
 
> 
>> 
>> Q: Is such huge difference between XCB and EGFLS expected?
>> 
>> 
> 
> I can test this if you give me the parameter to get this display.

simply enable —verbose playback