[mythtv] Ticket #1578: Mythfrontend segfault w/dvb radio PID type(private-sec 0x5), MHEG?

[Mark Buechler]

I just did a dvbsnoop on that data PID and it is Artist/Album/Title
information in clear text but type 0x5 doesn't look like it's being picked
up by MHEG. The easiest way to fix this would be to simply not record the
PID. However, is there anyway we can easily tie this into MHEG to display
this information on-screen instead?

- Mark.

On 3/24/06, MythTV <mythtv at cvs.mythtv.org> wrote:
>
> #1578: Mythfrontend segfault w/dvb radio PID type(private-sec  0x5), MHEG?
>
> -------------------------------------+--------------------------------------
> Reporter:  Mark.Buechler at gmail.com  |       Owner:  ijr
>      Type:  defect                   |      Status:  new
> Priority:  minor                    |   Milestone:  0.20
> Component:  mythtv                   |     Version:  head
> Severity:  medium                   |
>
> -------------------------------------+--------------------------------------
> I'm running 9488 and am seeing a segfault on the frontend whenever I tune
> to a DVB radio channel. I'm not in the UK so I don't know if there are any
> MHEG streams but it looks like the backend is recording a new stream which
> may be MHEG related?
>
> From the backend:
>
> 2006-03-24 16:10:12.234 DVBRec(0): SetOutputPMT()
> Program Map Table ver(1) pid(0x21) pnum(1) len(34)
>
>   Stream #0 pid(0x100e) type(audio-mp2-layer[1,2,3]  0x4)
>    ISO-639 Language: code(eng) canonical(eng) eng(English)
>   Stream #1 pid(0x1a0e) type(private-sec  0x5)
>   Stream #2 pid(0x21) type(video-mpeg2  0x2)
>
> From the frontend:
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1493509200 (LWP 14039)]
> 0xb5ff0ef1 in memmove () from /lib/tls/i686/cmov/libc.so.6
>
> Thread 7 (Thread -1493509200 (LWP 14039)):
> #0  0xb5ff0ef1 in memmove () from /lib/tls/i686/cmov/libc.so.6
> No symbol table info available.
> #1  0xb75de1d4 in write_section_data (s=0x91363f0, tss1=0x8410680,
> buf=0xa6f9c635 "\002°\"", buf_size=183, is_start=$
>          left = 146
>          tss = (MpegTSSectionFilter *) 0x841068c
>          len = 37
> #2  0xb75e0d8f in handle_packet (ts=0x9150e80, packet=0xa6f9c630
> "G@!\021", position=188) at mpegts.c:1758
>          s = (AVFormatContext *) 0x91363f0
>          tss = (MpegTSFilter *) 0x8410680
>          len = 0
>          pid = 33
>          cc = 1
>          cc_ok = 1
>          afc = 1
>          is_start = 64
>          p = (const uint8_t *) 0xa6f9c635 "\002°\""
>          p_end = (const uint8_t *) 0xa6f9c6ec ""
>
> Mythfrontend log and gdb bt attached.
>
> --
> Ticket URL: <http://cvs.mythtv.org/trac/ticket/1578>
> MythTV <http://www.mythtv.org/>
> MythTV
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