Re: [gentoo-user] mplayer: glibc detected memory corruption

[Alan McKinnon]

On Wed, 12 Sep 2012 12:41:20 +0200
Frank Steinmetzger <Warp_7@×××.de> wrote:

> Hi List
>
> Every once in a while, my mplayer can't play a video from the
> intertubes.  It just crashes on load, it really drives me mad
> sometimes.  I then need to x-kill the window, and if I started from
> the console, I can't even get back its prompt with Ctrl+C.
>
> It happens with videos from Wikipedia, some formats from YouTube,
> NASA and now also with this example:
> http://archive.org/details/LowEndCo1985 I wanted to watch the 256k
> MPeg4 video;
> - mplayer crashes (see output below)
> - VLC plays it way too slow with chunky audio
> - thankfully, my only other installed video player, Kaffeine, was
> able to play it, but it's crap as a video player
>
> Strangely enough, the 64k and the 512k versions play.  Do you have
> any idea what's the problem here?  If you need more info, just ask
> for it.  I'm running 64 bit, mplayer 1.1-r1 and ffmpeg 0.10.2-r1.
>
>
> $ mplayer LowEndCo1985_256kb.mp4
> MPlayer 1.1-4.5.3 (C) 2000-2012 MPlayer Team
> Konnte Joystick-Gerätedatei '/dev/input/js0' nicht öffnen: No such
> file or directory Konnte Joystick nicht initialisieren.
> mplayer: could not connect to socket
> mplayer: No such file or directory
> Fehler beim Öffnen der LIRC-Unterstützung.
> Verwendung der Fernbedienung nicht möglich.
> [MENU] Kann Menü-Konfigurationsdatei nicht
> öffnen: /home/frank/.mplayer/menu.conf
>
> Spiele LowEndCo1985_256kb.mp4.
> libavformat version 53.32.100 (external)
> libavformat-Dateiformat erkannt!
> [lavf] stream 0: video (mpeg4), -vid 0
> [lavf] stream 2: audio (aac), -aid 0, -alang eng
> VIDEO:  [MP4V]  320x240  24bpp  29.970 fps  257.3 kbps (31.4 kbyte/s)
> Clip-Info:
>  major_brand: isom
>  minor_version: 0
>  compatible_brands: mp41
>  creation_time: 2003-07-24 04:41:41
> Load subtitles in ./
> [gl] using extended formats. Use -vo gl:nomanyfmts if playback fails.
> ==========================================================================
> Öffne Videodecoder: [ffmpeg] FFmpeg's libavcodec codec family
> libavcodec version 53.61.100 (external)
> Unsupported PixelFormat 61
> Unsupported PixelFormat 53
> Unsupported PixelFormat 81
> Ausgewählter Videocodec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
> ==========================================================================
> ==========================================================================
> Öffne Audiodecoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> AUDIO: 48000 Hz, 2 ch, s16le, 63.7 kbit/4.15% (ratio: 7960->192000)
> Ausgewählter Audiocodec: [ffaac] afm: ffmpeg (FFmpeg AAC
> (MPEG-2/MPEG-4 Audio))
> ==========================================================================
> AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample) Starte Wiedergabe...
> Film-Aspekt ist 1.33:1 - Vorskalierung zur Korrektur der
> Seitenverhältnisse. VO: [gl] 320x240 => 320x240 Planar YV12
> *** glibc detected *** mplayer: malloc(): memory corruption:
> 0x0000000001957a60 ***

Obviously that last line must not happen. You likely tripped over a bug.

How is your mplayer built (output of eix)?

Do you use mplayer or mplayer2?
Do you use ffmpeg or libav?

-- 
Alan McKinnon
alan.mckinnon@×××××.com