[mythtv-users] Re : Re : h264 HD channels not visible correcty

Xavier de Almeida xavierdealmeida at yahoo.fr
Fri Jul 9 07:48:48 UTC 2010


Hi John,

Sorry for this lack of information.

I am using the following card:
http://www.linuxtv.org/wiki/index.php/TeVii_S470

05:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 PCI Video 
and Audio Decoder (rev 02)
        Subsystem: Device d470:9022
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at fb600000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: [40] Express Endpoint, MSI 00
        Capabilities: [80] Power Management version 2
        Capabilities: [90] Vital Product Data <?>
        Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
        Capabilities: [100] Advanced Error Reporting <?>
        Capabilities: [200] Virtual Channel <?>
        Kernel driver in use: cx23885
        Kernel modules: cx23885

My dish is oriented to Astra 19,2°

Thanks
XabiX



________________________________
De : Johnny Walker <johnnyjboss at gmail.com>
À : Discussion about mythtv <mythtv-users at mythtv.org>
Envoyé le : Jeu 8 juillet 2010, 17h 26min 32s
Objet : Re: [mythtv-users] Re : h264 HD channels not visible correcty

On Thu, Jul 8, 2010 at 2:47 AM, Xavier de Almeida
<xavierdealmeida at yahoo.fr> wrote:
> Hello,
>
> Is this the right place to ask for such help/questions?
> at least I d like to understand where this issue comes from (myself, the
> signal or the config of MythTV)
>
> Merci
> XabiX
> ________________________________
> De : Xavier de Almeida <xavierdealmeida at yahoo.fr>
> À : mythtv-users at mythtv.org
> Envoyé le : Lun 5 juillet 2010, 14h 00min 20s
> Objet : h264 HD channels not visible correcty
>
> Hello,
>
> I am wondering if I can't see HD channels correctly because of a bad
> reception or because of a configuration issue. I can see non HD channels
> with no problem.
>
> I got a Signal of 44% and a SNR s/d of 2.1db. Ex:
> http://xabix.free.fr/uploads/Capture1.png
>
>
> Error messages examples:
>
>
> 2010-07-05 12:25:25.739 Opening audio device 'plughw:0,3'. ch 2(2) sr 48000
> (reenc 0)
> 2010-07-05 12:25:25.739 Opening ALSA audio device 'plughw:0,3'.
> 2010-07-05 12:25:25.745 AudioOutput Warning: Mixer attach error -2: Aucun
> fichier ou dossier de ce type
>
> 2010-07-05 12:26:07.764 [h264 @ 0x7ffe70e3f360]mmco: unref short failure
> 2010-07-05 12:26:09.161 NVP(0): Prebuffer wait timed out 10 times.
> 2010-07-05 12:26:10.961 NVP(0): Prebuffer wait timed out 20 times.
> 2010-07-05 12:26:11.926 VideoOutputXv: Desired video renderer 'xvmc-blit'
> not available.
>                         codec 'H.264' makes 'xv-blit,xshm,xlib,' available,
> using 'xv-blit' instead.
> 2010-07-05 12:26:11.929 VideoOutputXv: XVideo Adaptor Name: 'Intel(R)
> Textured Video'
> 2010-07-05 12:26:12.025 AFD: Opened codec 0x7ffe3c957670, id(H264)
> type(Video)
> 2010-07-05 12:26:12.025 AFD: codec E-AC3 has 2 channels
> 2010-07-05 12:26:12.026 AFD: Opened codec 0x7ffe3cf10870, id(E-AC3)
> type(Audio)
> 2010-07-05 12:26:12.026 AFD: codec E-AC3 has 2 channels
> 2010-07-05 12:26:12.026 AFD: Opened codec 0x7ffe3cf10cb0, id(E-AC3)
> type(Audio)
> 2010-07-05 12:26:12.026 AFD: Opened codec 0x7ffe3cf110f0, id(DVB_SUBTITLE)
> type(Subtitle)
>
> 2010-07-05 12:26:15.084 [h264 @ 0x7ffe70e3f360]error while decoding MB 61
> 66, bytestream (796)
> 2010-07-05 12:26:15.084 [h264 @ 0x7ffe70e3f360]Too many slices, increase
> MAX_SLICES and recompile
>
> 2010-07-05 12:26:12.347 [h264 @ 0x7ffe70e3f360]number of reference frames
> exceeds max (probably corrupt input), discarding one
> 2010-07-05 12:26:12.353 [h264 @ 0x7ffe70e3f360]top block unavailable for
> requested intra4x4 mode -1 at 35 48
> 2010-07-05 12:26:12.353 [h264 @ 0x7ffe70e3f360]error while decoding MB 35
> 48, bytestream (12575)
> 2010-07-05 12:26:12.353 [h264 @ 0x7ffe70e3f360]top block unavailable for
> requested intra4x4 mode -1 at 2 60
> 2010-07-05 12:26:12.353 [h264 @ 0x7ffe70e3f360]error while decoding MB 2 60,
> bytestream (8437)
> 2010-07-05 12:26:12.353 [h264 @ 0x7ffe70e3f360]reference picture missing
> during reorder
> 2010-07-05 12:26:12.353 [h264 @ 0x7ffe70e3f360]Missing reference picture
> 2010-07-05 12:26:12.355 [h264 @ 0x7ffe70e3f360]Reference 2 >= 2
> 2010-07-05 12:26:12.355 [h264 @ 0x7ffe70e3f360]error while decoding MB 14
> 35, bytestream (5806)
>
> full log at http://xabix.free.fr/uploads/mythfrontend.log
>
> I am using the XvMC Standard decoder and the following intel integrated
> video card Clarkdale i3 530:
>
> 00:02.0 VGA compatible controller: Intel Corporation Core Processor
> Integrated Graphics Controller (rev 12)
>         Subsystem: Giga-byte Technology Device d000
>         Flags: bus master, fast devsel, latency 0, IRQ 30
>         Memory at fb400000 (64-bit, non-prefetchable) [size=4M]
>         Memory at e0000000 (64-bit, prefetchable) [size=256M]
>         I/O ports at ff00 [size=8]
>         Capabilities: [90] Message Signalled Interrupts: Mask- 64bit-
> Queue=0/0 Enable+
>         Capabilities: [d0] Power Management version 2
>         Capabilities: [a4] PCIe advanced features <?>
>         Kernel driver in use: i915
>         Kernel modules: i915
>
>
> Kernel 2.6.33
>
> Any idea of what could be the issue?
>
> Thanks
> XabiX
>
>
> FYI
> xabix at HTPC:~$ ffmpeg
> FFmpeg version SVN-r0.5.1-4:0.5.1-1ubuntu1, Copyright (c) 2000-2009 Fabrice
> Bellard, et al.
>   configuration: --extra-version=4:0.5.1-1ubuntu1 --prefix=/usr
> --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib
> --enable-libgsm --enable-libschroedinger --enable-libspeex
> --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib
> --disable-stripping --disable-vhook --enable-runtime-cpudetect --enable-gpl
> --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394
> --enable-shared --disable-static
>   libavutil     49.15. 0 / 49.15. 0
>   libavcodec    52.20. 1 / 52.20. 1
>   libavformat   52.31. 0 / 52.31. 0
>   libavdevice   52. 1. 0 / 52. 1. 0
>   libavfilter    0. 4. 0 /  0. 4. 0
>   libswscale     0. 7. 1 /  0. 7. 1
>   libpostproc   51. 2. 0 / 51. 2. 0
>   built on Mar  4 2010 12:41:55, gcc: 4.4.3
>
>
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>

We can try to help you but we need to know what your capture device is
and what it's source is.
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