[mythtv-users] MythDVD segfaults

Sat Nov 11 13:18:19 UTC 2006

It'd help if I included the log files :)

http://www.biased.org/logs/more
http://www.biased.org/logs/log

Thanks to all for your help again!

Regards - Piers

Piers Kittel wrote:
> Hello all,
> 
> Am using MythTV 0.20 the stable release (not SVN).
> 
> I was having problems for a while trying to get DVD playback to work - 
> finally solved one problem, but a new problem has cropped up.  The 
> original problem was the user "piers" which mythfrontend runs under 
> didn't have any permission to access the DVD drive.  I've now finally 
> fixed the permission problems, mplayer can now play the DVD as shown:
> 
> ===========================================
> Reading disc structure, please wait...
> There are 6 titles on this DVD.
> There are 6 chapters in this DVD title.
> There are 1 angles in this DVD title.
> DVD successfully opened.
> MPEG-PS file format detected.
> ===========================================
> 
> The full output from mplayer is attached to this email.
> 
> Now, I wanted to try playing back the DVD via mythtv, so I told 
> mythfrontend to play back the DVD, I can see a screen, with a copyright 
> notice on the bottom from Twentieth Century Fox (but some text was 
> truncated) and grey bars which seems to be a corrupted picture, for 
> about 3 seconds then MythTV shows "Failed to init video" with a button 
> saying "OK" and then after selecting "OK", MythTV segfaults.
> 
> I ran mythfrontend with the command "mythfrontend -v all > log" but it 
> doesn't capture everything that was output.  I've copied and pasted the 
> missed captures into a file called "more".  I don't know which part in 
> "more" goes in "log" so I've left them both seperate.  There's a section 
> in "more" that I've spotted:
> 
> ===========================================
> mount: /dev/hdb already mounted or /misc/cd busy
> mount: according to mtab, /dev/hdb is already mounted on /misc/cd
> QDate::fromString: Parameter out of range
> libdvdread: Encrypted DVD support unavailable.
> libdvdread: Attempting to use device /dev/hdb mounted on /misc/cd for 
> CSS authentication
> Input #0, mpeg, from '//misc/cd':
>   Duration: N/A, bitrate: N/A
>   Stream #0.0[0x1e0], 1/90000: Video: mpeg2video, 720x576, 1/25, 9800 
> kb/s, 25.00 fps(c)
> ===========================================
> 
> And at the end of "more" there's:
> 
> ===========================================
> [mpeg2video @ 0xb7122a20]concealing 1125 DC, 1125 AC, 1125 MV errors
> [mpeg2video @ 0xb7122a20]concealing 1125 DC, 1125 AC, 1125 MV errors
> [mpeg2video @ 0xb7122a20]inter matrix damaged
> Segmentation fault
> ===========================================
> 
> I decided to check out Xine, it refused to play back the DVD and on 
> closer inspection, it seems that it has a similar problem:
> 
> ===========================================
> piers at hinata:~$ xine
> This is xine (X11 gui) - a free video player v0.99.3.
> (c) 2000-2004 The xine Team.
> libdvdread: Encrypted DVD support unavailable.
> piers at hinata:~$
> ===========================================
> 
> Strange that mplayer can play back the DVD but MythTV and Xine is unable 
> to do so?
> 
> What am I doing wrong and how do I fix this problem please?
> 
> Thank you very much for your help in advance!
> 
> Regards - Piers
> 
> 
> ------------------------------------------------------------------------
> 
> piers at hinata:~$ mplayer dvd:// -dvd-device /dev/hdb          
> MPlayer 1.0pre7try2-3.3.5 (C) 2000-2005 MPlayer Team
> CPU: Advanced Micro Devices Athlon Thunderbird (Family: 6, Stepping: 2)
> Detected cache-line size is 64 bytes
> CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0
> Compiled for x86 CPU with extensions: MMX MMX2 3DNow 3DNowEx
> 
> 
> Failed to open /dev/rtc: Permission denied (it should be readable by the user.)
> Playing dvd://.
> Reading disc structure, please wait...
> There are 6 titles on this DVD.
> There are 6 chapters in this DVD title.
> There are 1 angles in this DVD title.
> DVD successfully opened.
> MPEG-PS file format detected.
> VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  7500.0 kbps (937.5 kbyte/s)
> ==========================================================================
> Opening audio decoder: [liba52] AC3 decoding with liba52
> Using 3DNowEx optimized IMDCT transform
> AC3: 2.0 (dolby)  48000 Hz  192.0 kbit/s
> Using MMX optimized resampler
> AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)
> Selected audio codec: [a52] afm:liba52 (AC3-liba52)
> ==========================================================================
> vo: X11 running at 720x576 with depth 24 and 32 bpp (":0.0" => local display)
> ==========================================================================
> Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
> VDec: vo config request - 720 x 576 (preferred csp: Mpeg PES)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> The selected video_out device is incompatible with this codec.
> VDecoder init failed :(
> Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b
> Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG-1 or 2 (libmpeg2))
> ==========================================================================
> Checking audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
> AF_pre: 48000Hz/2ch/s16le
> AO: [oss] 48000Hz 2ch s16le (2 bps)
> Building audio filter chain for 48000Hz/2ch/s16le -> 48000Hz/2ch/s16le...
> Starting playback...
> VDec: vo config request - 720 x 576 (preferred csp: Planar YV12)
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
> VO: [xv] 720x576 => 1024x576 Planar YV12 
> aspect: Warning: no suitable new res found!
> aspect: Warning: no suitable new res found!
> aspect: Warning: no suitable new res found!
> aspect: Warning: no suitable new res found!
> New_Face failed. Maybe the font path is wrong. 2 ??% ??% ??,?% 0 0                                          
> Please supply the text font file (~/.mplayer/subfont.ttf).
> subtitle font: load_sub_face failed.
> A:   2.0 V:   2.0 A-V: -0.010 ct:  0.051  50/ 50 16% 15%  1.9% 0 0                                          
> Exiting... (Quit)
> piers at hinata:~$ 
> 
> 
> ------------------------------------------------------------------------
> 
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