[mythtv] Odp: Re: Developing RPI2 MythTV package for ArchLinux ARM

Peter Bennett pgbennett at comcast.net
Mon Jan 18 17:46:27 UTC 2016 

On 01/18/2016 11:41 AM, warpme wrote:
> Ok - it looks like my issue was caused by bellagio lib silently pulled
> by mesa install - and I wasn't aware bout this.
> I finally managed get working current master on RPI2 with OpenMAX
> working on ArchLinux.
>
> Now I want to check are some minor issues an result of my environment
> or rather it is known MythTV/OpenMAX issue.
>
> XCB QPA:
> 1. In FE logs I see:
> ....
> QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled
> ....
> I think this quite expected as AFIK RPI2 EGL windowing isn't
> compatible with X11 windowing and by this VC4 EGLFS will not work with
> X11.
>
> Q: I'm wonder are other ppl see such line i.e. Jessie Raspbian?
>

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


> 2. Playback of interlaced 1080HD material gives not small CPU load.
> Also FPS looks strange:
> 2016-01-16 21:14:10.281725 I  AOBase: Opening audio device 'default:CARD=ALSA' ch 2(2) sr 48000 sf signed 16 bit reenc 0
> 2016-01-16 21:14:10.289058 W  ALSA: Requested 500000us got 341333 buffer time
> 2016-01-16 21:14:10.293969 E  ALSA: failed to register mixer device OpenMAX:: No such file or directory
> 2016-01-16 21:14:10.294098 E  ALSA: Unable to open audio mixer. Volume control disabled
> 2016-01-16 21:14:10.470548 N  Player(0): Waited 100ms for video buffers AAAAAAAAAPPP
> 2016-01-16 21:14:10.575283 N  Player(0): Waited 205ms for video buffers AAAAAAAAAPPP
> 2016-01-16 21:14:10.679629 N  Player(0): Waited 310ms for video buffers LLLAAAAAAPPP
> 2016-01-16 21:14:11.432388 I  VideoOutput: Created YV12 OSD.
> 2016-01-16 21:14:43.461510 I  OSD: Base theme size: 800x600
> 2016-01-16 21:14:43.461632 I  OSD: Scaling factors: 2.4x1.8
> 2016-01-16 21:14:55.596332 I  Player(0): FPS:   20.60 Mean: 48555 Std.Dev: 15625 CPUs: 5% 5% 6% 5% 
> 2016-01-16 21:14:56.738590 I  Player(0): FPS:   21.93 Mean: 45604 Std.Dev: 12372 CPUs: 79% 21% 10% 5% 
> 2016-01-16 21:14:57.896337 I  Player(0): FPS:   21.63 Mean: 46225 Std.Dev: 13930 CPUs: 14% 67% 14% 24% 
> 2016-01-16 21:14:59.084452 I  Player(0): FPS:   21.09 Mean: 47425 Std.Dev: 14083 CPUs: 15% 38% 45% 24% 
> 2016-01-16 21:15:00.223754 I  Player(0): FPS:   22.00 Mean: 45460 Std.Dev: 13068 CPUs: 23% 39% 46% 22% 
> 2016-01-16 21:15:01.400563 I  Player(0): FPS:   21.28 Mean: 46984 Std.Dev: 14457 CPUs: 48% 9% 7% 49% 
> 2016-01-16 21:15:02.652863 I  Player(0): FPS:   20.00 Mean: 50008 Std.Dev: 16160 CPUs: 15% 31% 59% 20% 
> 2016-01-16 21:15:03.915382 I  Player(0): FPS:   19.84 Mean: 50408 Std.Dev: 16677 CPUs: 33% 40% 20% 27% 
> 2016-01-16 21:15:05.099167 I  Player(0): FPS:   21.16 Mean: 47264 Std.Dev: 13397 CPUs: 20% 16% 11% 70% 
> 2016-01-16 21:15:06.316702 I  Player(0): FPS:   20.58 Mean: 48583 Std.Dev: 15263 CPUs: 36% 24% 27% 31% 
> 2016-01-16 21:15:07.551692 I  Player(0): FPS:   20.28 Mean: 49310 Std.Dev: 13157 CPUs: 51% 61% 33% 70% 
> 2016-01-16 21:15:08.885468 I  TV::HandleStateChange(): Attempting to change from WatchingLiveTV to None
>
I don't have the FPS displayed, can you tell me how to turn on that display.


> EGLFS:
> 1. Any action triggering OSD gives 1sec blank screen at first time
> displaying OSD.
> Second and consecutive diplays of OSD are OK.
> Here is FE log when user asks for OSD
> ..............
> 2016-01-18 08:13:25.800276 I  TV::StartTV(): Entering main playback loop.
> 2016-01-18 08:13:25.931955 I  DOMX:0 SettingsChanged - begin
> 2016-01-18 08:13:25.935118 I  OMX:0 Port 131: output, bufs=2(1) bufsize=3133440 at 16 discontiguous, disabled, unpopulated
> 2016-01-18 08:13:25.935543 I  OMX:0 Port 131: video, w=1920 h=1080 stride=1920 sliceH=1088 bps=0 fps=25 compress=OMX_VIDEO_CodingUnused enc=OMX_COLOR_FormatYUV420PackedPlanar
> 2016-01-18 08:13:25.937127 I  DOMX:0 OMX_InterlaceFieldsInterleavedUpperFirst
> 2016-01-18 08:13:25.937669 I  DOMX:0 Pixel aspect x/y = 1/1
> 2016-01-18 08:13:25.962038 I  DOMX:0 SettingsChanged - end
> 2016-01-18 08:13:26.041342 I  Player(0): Waiting for video buffers...
> 2016-01-18 08:13:26.090937 I  VDP: GetFilteredDeint() : openmax -> 'openmaxadvanced'
> 2016-01-18 08:13:26.091085 I  Player(0): Enabled deinterlacing
> 2016-01-18 08:13:30.105740 I  Player(0): FPS:   25.16 Mean: 39747 Std.Dev: 15370 CPUs: 14% 16% 20% 12% 
> 2016-01-18 08:13:34.117056 I  Player(0): FPS:   24.96 Mean: 40067 Std.Dev: 12090 CPUs: 13% 10% 13% 10% 
> 2016-01-18 08:13:36.585048 I  TV::LoadFileHelper(): Loading menu /home/mythtv/.mythtv/menu_playback.xml
> 2016-01-18 08:13:36.585476 I  TV::LoadFileHelper(): Loading menu /usr/share/mythtv/themes/MythCenter/menu_playback.xml
> 2016-01-18 08:13:36.585701 I  TV::LoadFileHelper(): Loading menu /usr/share/mythtv/themes/default/menu_playback.xml
> 2016-01-18 08:13:36.597396 I  TV::LoadFileHelper(): Loading menu /home/mythtv/.mythtv/menu_playback_compact.xml
> 2016-01-18 08:13:36.597644 I  TV::LoadFileHelper(): Loading menu /usr/share/mythtv/themes/MythCenter/menu_playback_compact.xml
> 2016-01-18 08:13:36.597789 I  TV::LoadFileHelper(): Loading menu /usr/share/mythtv/themes/default/menu_playback_compact.xml
> 2016-01-18 08:13:36.598567 I  TV::LoadFileHelper(): Loading menu /home/mythtv/.mythtv/menu_playback.xml
> 2016-01-18 08:13:36.598716 I  TV::LoadFileHelper(): Loading menu /usr/share/mythtv/themes/MythCenter/menu_playback.xml
> 2016-01-18 08:13:36.598838 I  TV::LoadFileHelper(): Loading menu /usr/share/mythtv/themes/default/menu_playback.xml
> 2016-01-18 08:13:36.978138 I  ALSA: WriteAudio: buffer underrun
> 2016-01-18 08:13:37.103527 I  Player(0): Video is 3.78697 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.103807 I  AOBase: Pause 1
> 2016-01-18 08:13:37.105086 I  Player(0): Video is 4.41523 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.105229 I  AOBase: Pause 1
> 2016-01-18 08:13:37.106245 I  Player(0): Video is 4.6364 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.106340 I  AOBase: Pause 1
> 2016-01-18 08:13:37.107622 I  Player(0): Video is 4.5523 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.107726 I  AOBase: Pause 1
> 2016-01-18 08:13:37.108626 I  Player(0): Video is 4.23922 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.108759 I  AOBase: Pause 1
> 2016-01-18 08:13:37.109701 I  Player(0): Video is 3.7544 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.109800 I  AOBase: Pause 1
> 2016-01-18 08:13:37.110177 I  Player(0): Waiting for video buffers...
> 2016-01-18 08:13:37.110557 I  AOBase: OutputAudioLoop: audio paused
> 2016-01-18 08:13:37.150212 I  Player(0): Video is 3.1408 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:37.150679 I  Player(0): Waiting for video buffers...
> 2016-01-18 08:13:37.241524 I  AOBase: Pause 0
> 2016-01-18 08:13:37.242303 I  AOBase: OutputAudioLoop: Play Event
> 2016-01-18 08:13:37.412874 I  Player(0): Video is 3.63873 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:37.488240 I  Player(0): Video is 4.47277 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:37.580968 I  Player(0): Video is 4.87957 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:37.647032 I  Player(0): Video is 4.83467 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:37.727283 I  Player(0): Video is 4.59475 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:37.807481 I  Player(0): Video is 4.13355 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:37.919037 I  Player(0): Video is 3.7064 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:38.729949 I  Player(0): FPS:   21.70 Mean: 46083 Std.Dev: 42080 CPUs: 13% 14% 9% 11% 
> 2016-01-18 08:13:39.548351 I  Player(0): Video is 3.31908 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:39.548503 I  AOBase: Pause 1
> 2016-01-18 08:13:39.549769 I  AOBase: OutputAudioLoop: audio paused
> 2016-01-18 08:13:39.549792 I  Player(0): Video is 3.4268 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:39.549936 I  AOBase: Pause 1
> 2016-01-18 08:13:39.550201 I  AOBase: OutputAudioLoop: audio paused
> 2016-01-18 08:13:39.551403 I  Player(0): Video is 3.2076 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:39.552727 I  AOBase: Pause 0
> 2016-01-18 08:13:39.552894 I  AOBase: OutputAudioLoop: Play Event
> 2016-01-18 08:13:40.872221 I  Player(0): Video is 3.04778 frames ahead of audio,
> 			doubling video frame interval to slow down.
> 2016-01-18 08:13:43.041186 I  Player(0): 400 interlaced frames seen.
> 2016-01-18 08:13:43.077275 I  Player(0): Video is 3.59348 frames behind audio (too slow), dropping frame to catch up.
> 2016-01-18 08:13:43.077397 I  AOBase: Pause 1
> .................
>
> Q: is this OSD and known issue?
> How smooth OSD works for other ppl on EGLFS?
>
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.

>
>
> 2. CPU load on EGLFS is much better:
> 2016-01-18 08:13:47.296824 I  Player(0): FPS:   23.74 Mean: 42116 Std.Dev: 23044 CPUs: 21% 17% 15% 13% 
> 2016-01-18 08:13:51.282826 I  Player(0): FPS:   25.12 Mean: 39813 Std.Dev: 17460 CPUs: 17% 10% 15% 10% 
> 2016-01-18 08:13:55.315114 I  Player(0): FPS:   24.83 Mean: 40271 Std.Dev: 18349 CPUs: 20% 15% 17% 13% 
> Q: Is such huge difference between XCB and EGFLS expected?
>
>

I can test this if you give me the parameter to get this display.

Peter

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-dev/attachments/20160118/cd999972/attachment.html>

More information about the mythtv-dev mailing list