VLC crashes at same video frame in wintv ATSC/QAM file

[Aeneas]

In //VLC 1.1.10//Windows 7//Q6600//ATI 4550 HD//12 GBytes Sdram//1 TB HDD boot partition//
Twice crashed at the same video frame, 20 minutes into a 30 minute recording ATSC/QAM WinTV recording.
VLC 1.1.9 worked without crashing, with this .TS content.
First time I have ever seen VLC crash. What does this portend ?
How is VLC 1.1.9 reinstalled ?


======================================================================
"Report sending failed.
There was an error transferring to the FTP server."
=========================================================================
=========================================================================
An unhandled win32 exception occurred in vlc.exe [3080].
Unhandled exception at 0x0040174c in vlc.exe: 0xC0000005: Access violation reading location 0x0000007c.
> vlc.exe!0040174c()
[Frames below may be incorrect and/or missing, no symbols loaded for vlc.exe]
msvcr71.dll!7c35f0c3()
kernel32.dll!754c0047()
msvcrt.dll!752aa53a()
ntdll.dll!772b21d7()
ntdll.dll!772b20b4()
ntdll.dll!772b1f59()
ntdll.dll!77286ab9()
ntdll.dll!77286a8b()
ntdll.dll!77286a2d()
ntdll.dll!77250143()
libavcodec_plugin.dll!05a6169a()

EBP 03DFFA18
EDX 00000078
ESP 03DFCFDC

==================================================================================
==================================================================================

An unhandled win32 exception occurred in vlc.exe [7268].
Unhandled exception at 0x0040174c in vlc.exe: 0xC0000005: Access violation reading location 0x0000007c.
> vlc.exe!0040174c()
[Frames below may be incorrect and/or missing, no symbols loaded for vlc.exe]
kernel32.dll!754c0047()
msvcrt.dll!752aa53a()
ntdll.dll!772b21d7()
ntdll.dll!772b20b4()
ntdll.dll!772b1f59()
ntdll.dll!77286ab9()
ntdll.dll!77286a8b()
ntdll.dll!77286a2d()
ntdll.dll!77250143()
libavcodec_plugin.dll!0682169a()

EBP 0530FA18
EDX 00000078
ESP 0530CFE8
===============================================================================

[Jean-Baptiste Kempf]

Can you share the file with me, please?
Use http://streams.videolan.org/upload/ if needed.

[Aeneas]

Can you share the file with me, please?
Use http://streams.videolan.org/upload/ if needed.

I deleted that AV content file already.
And switched back to 1.1.9 .
I will have to set it up again, in the next few days.
These files are huge: 30 minutes was around 3 GBytes.
The coveted (Verbatim) Record (to file) capability in VLC may be able to select out the surrounding mpeg frames sequence for a few 100 MBytes.

[VLC_help]

If you can replicate the crash with gdb, you could share us backtrace which would help.

[Aeneas]

gdb, the GNU debugger ?
Never used that on an x86 Windows platform.
What would that backtrace generate that the Visual Studio backtrace I included did not ?

[VLC_help]

It could tell something like

Code: Select all

0x64fa73a1 in vout_ReleasePicture (vout=0x231858c, picture=0x248aa50) at ../include/vlc_picture.h:182

but you would have to use debug versions, which you can download from http://nightlies.videolan.org/build/win32/?C=M;O=D (branches are VLC 1.1.x)

[Aeneas]

This is a VLC 1.1.10 crash when playing back an NTSC channel content file recorded by wintv from cable tv.
//VLC 1.1.10//Windows 7//Q6600//ATI 4550 HD//12 GBytes Sdram//1 TB HDD boot partition//

[5396] vlc.exe
Unhandled exception at 0x0040174c in vlc.exe: 0xC0000005: Access violation reading location 0x00000031.
-------------------------------------------------------------------------------------------------------
> vlc.exe!0040174c()
[Frames below may be incorrect and/or missing, no symbols loaded for vlc.exe]
msvcrt.dll!748b98cd()
msvcrt.dll!748b98da()
msvcrt.dll!748b98da()
msvcrt.dll!748b98da()
libavcodec_plugin.dll!699b169a()
msvcrt.dll!748ba442()
libavcodec_plugin.dll!69bb7612()
libavcodec_plugin.dll!697e6e87()
libavcodec_plugin.dll!697e76fd()
libavcodec_plugin.dll!69637de3()
libavcodec_plugin.dll!69584692()
libvlccore.dll!6718f5bf()
libvlccore.dll!6718f740()
libvlccore.dll!671817bf()
ntdll.dll!7717f965()
libvlccore.dll!67175344()
libvlccore.dll!6718f86d()
msvcrt.dll!748c1287()
msvcrt.dll!748c1328()
kernel32.dll!75c233ca()
ntdll.dll!77199ed2()
ntdll.dll!77199ea5()
-----------------------------------------------------------------------------
EBP 0571FA18
EDX 0000002D
ESP 0571EAA8
==============================================================================

[Jean-Baptiste Kempf]

Please share the logs, and force libmpeg2 codec in preferences to work-around, until a fix.

[Aeneas]

What are the names of these log files and where are they stored ?

[Jean-Baptiste Kempf]

Dialogs Messages, or run vlc.exe -vvv to have the logs.

[VLC_help]

Dialogs Messages,

Tools -> Messages (set Verbosity to 2)

[Aeneas]

Dialogs Messages, or run vlc.exe -vvv to have the logs.

Can this -vvv mode be set in the Tools/Preferences as the Default ?
No one ever runs this program from the cmd.exe command line.
The program is always invoked because it is associated with particular filename extensions, in my current cases, the .ts extension.

I should mention again as a separate issue, that there have been ongoing video garbling problems for the past 2 years with the .m2ts output from the HD PVR product which until recently was the only product which could receive HD Component Video OUT from a cable set top box.

[Aeneas]

This is a VLC 1.1.10 crash when playing back an HD Component Video .M2TS channel content file recorded by HD_PVR from cable tv.
1920x1080@9Mbps
//VLC 1.1.10//Windows 7//Q6600//ATI 4550 HD//12 GBytes Sdram//1 TB HDD boot partition//

========================================================
[1624] vlc.exe
----------------------------------------------
> vlc.exe!0040174c()
[Frames below may be incorrect and/or missing, no symbols loaded for vlc.exe]
msvcrt.dll!754f98cd()
msvcrt.dll!754f98da()
msvcrt.dll!754f98da()
msvcrt.dll!754f98da()
libvlccore.dll!694b113a()
kernel32.dll!74c90047()
msvcrt.dll!754fa53a()
ntdll.dll!771521d7()
ntdll.dll!771520b4()
ntdll.dll!77151f59()
ntdll.dll!77126ab9()
ntdll.dll!77126a8b()
ntdll.dll!77126a2d()
ntdll.dll!770f0143()
libavcodec_plugin.dll!05cc169a()
ole32.dll!75000000()
libvlccore.dll!694bf5bf()
libvlccore.dll!694bf740()
libvlccore.dll!694b17bf()
ntdll.dll!770ff965()
libvlccore.dll!694a5344()
libvlccore.dll!694bf86d()
msvcrt.dll!75501287()
msvcrt.dll!75501328()
kernel32.dll!74c533ca()
ntdll.dll!77119ed2()
ntdll.dll!77119ea5()
------------------------------------------

EBP 03C9FA18
EDX 0000002D
ESP 03C9EAA8
==========================================================================================

M2TS video garbling needs the most attention at VLC central.

[Jean-Baptiste Kempf]

Did you force the mpeg2 codec as I said you should?

[Aeneas]

Where is that libmpeg2 option in the Preferences menu ?

[VLC_help]

Where is that libmpeg2 option in the Preferences menu ?

It is easier to try it from command-line

Code: Select all

vlc --codec=libmpeg2