Package: mplayer
Version: 1.0~rc2-14
Severity: important

$ gdb mplayer
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...
(gdb) run zeme.flv
Starting program: /usr/bin/mplayer zeme_vzdalena.flv
[Thread debugging using libthread_db enabled]
MPlayer 1.0rc2-4.3.1-DFSG-free (C) 2000-2007 MPlayer Team
CPU: Intel(R) Core(TM) Duo CPU      T2350  @ 1.86GHz (Family: 6,
Model: 14, Stepping: 12)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing zeme_vzdalena.flv.
libavformat file format detected.
[New Thread 0xb623e960 (LWP 10808)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb623e960 (LWP 10808)]
0x081ebc21 in demux_open_lavf (demuxer=0x90541e0) at demux_lavf.c:291
291 demux_lavf.c: No such file or directory.
    in demux_lavf.c
(gdb) thread apply all bt full

Thread 1 (Thread 0xb623e960 (LWP 10808)):
#0  0x081ebc21 in demux_open_lavf (demuxer=0x90541e0) at demux_lavf.c:291
    avfc = (AVFormatContext *) 0x9055420
    ap = {time_base = {num = 0, den = 0}, sample_rate = 0, channels = 0,
  width = 0, height = 0, pix_fmt = PIX_FMT_YUV420P, channel = 0,
  standard = 0x0, mpeg2ts_raw = 0, mpeg2ts_compute_pcr = 0, initial_pause = 0,
  prealloced_context = -1, video_codec_id = CODEC_ID_NONE,
  audio_codec_id = CODEC_ID_NONE}
    opt = <value optimized out>
    priv = (lavf_priv_t *) 0x9054b28
    i = <value optimized out>
    mp_filename = "mp:zeme_vzdalena.flv", '\0' <repeats 235 times>
#1  0x081958ae in demux_open_stream (stream=0x9053848, file_format=44,
    force=0, audio_id=-1, video_id=-1, dvdsub_id=-2,
    filename=0x9042648 "zeme_vzdalena.flv") at demuxer.c:732
    demux2 = <value optimized out>
    demuxer = (demuxer_t *) 0x90541e0
    sh_video = <value optimized out>
    demuxer_desc = (demuxer_desc_t *) 0x844c9e0
    fformat = 44
    i = 4
#2  0x08195b8f in demux_open (vs=0x9053848, file_format=0, audio_id=-1,
---Type <return> to continue, or q <return> to quit---
    video_id=-1, dvdsub_id=-2, filename=0x9042648 "zeme_vzdalena.flv")
    at demuxer.c:872
    as = (stream_t *) 0x0
    ss = (stream_t *) 0x0
    vd = <value optimized out>
    ad = <value optimized out>
    sd = <value optimized out>
    afmt = 0
    sfmt = 0
    audio_demuxer_type = 0
    sub_demuxer_type = 0
    demuxer_force = 0
    audio_demuxer_force = 0
    sub_demuxer_force = 0
#3  0x0809c457 in main (argc=2, argv=0xbf8e7714) at mplayer.c:2952
    mem_ptr = <value optimized out>
    opt_exit = 0
    i = 2
    gui_no_filename = <value optimized out>
(gdb)




Looking into the source code, the problem is with this line:

    ((URLContext*)(priv->pb.opaque))->priv_data= demuxer->stream;

in libmpdemux/demux_lavf.c:291.

Let me know if you need more information. It fails on any .flv file
downloaded from youtube using youtube-dl. E.g.:

$ youtube-dl SadVnKOw2VA
$ mplayer SadVnKOw2VA.flv
[...]
bang


Ondrej


-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.25-2-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages mplayer depends on:
ii  debconf [debconf-2.0]  1.5.22            Debian configuration management sy
ii  libasound2             1.0.16-2          ALSA library
ii  libatk1.0-0            1.22.0-1          The ATK accessibility toolkit
ii  libaudiofile0          0.2.6-7           Open-source version of SGI's audio
ii  libavcodec51           0.svn20080206-8   ffmpeg codec library
ii  libavformat52          0.svn20080206-8   ffmpeg file format library
ii  libavutil49            0.svn20080206-8   ffmpeg utility library
ii  libc6                  2.7-12            GNU C Library: Shared libraries
ii  libcaca0               0.99.beta13b-5    colour ASCII art library
ii  libcairo2              1.6.4-6           The Cairo 2D vector graphics libra
ii  libcdparanoia0         3.10.0+debian-1   audio extraction tool for sampling
ii  libcucul0              0.99.beta13b-5    low-level Unicode character drawin
ii  libdirectfb-1.0-0      1.0.1-9           direct frame buffer graphics - sha
ii  libesd0                0.2.36-3          Enlightened Sound Daemon - Shared
ii  libfontconfig1         2.6.0-1           generic font configuration library
ii  libfreetype6           2.3.7-1           FreeType 2 font engine, shared lib
ii  libfribidi0            0.10.9-1          Free Implementation of the Unicode
ii  libgcc1                1:4.3.1-4         GCC support library
ii  libgif4                4.1.6-4           library for GIF images (library)
ii  libgl1-mesa-glx [libgl 7.0.3-4           A free implementation of the OpenG
ii  libglib2.0-0           2.16.4-1          The GLib library of C routines
ii  libgtk2.0-0            2.12.10-2         The GTK+ graphical user interface
ii  libjack0               0.109.2-3         JACK Audio Connection Kit (librari
ii  libjpeg62              6b-14             The Independent JPEG Group's JPEG
ii  liblircclient0         0.8.2-2           infra-red remote control support -
ii  libmpcdec3             1.2.2-1           Musepack (MPC) format library
ii  libncurses5            5.6+20080621-2    shared libraries for terminal hand
ii  libogg0                1.1.3-4           Ogg Bitstream Library
ii  libopenal0a            1:0.0.8-8         OpenAL is a portable library for 3
ii  libpango1.0-0          1.20.4-1          Layout and rendering of internatio
ii  libpng12-0             1.2.27-1          PNG library - runtime
ii  libpostproc51          0.svn20080206-8   ffmpeg video postprocessing librar
ii  libsdl1.2debian        1.2.13-2          Simple DirectMedia Layer
ii  libsmbclient           2:3.0.30-3        shared library that allows applica
ii  libspeex1              1.2~beta4-2       The Speex codec runtime library
ii  libstdc++6             4.3.1-4           The GNU Standard C++ Library v3
ii  libsvga1               1:1.4.3-27        console SVGA display libraries
ii  libswscale0            0.svn20080206-8   ffmpeg video scaling library
ii  libtheora0             1.0~beta3-1       The Theora Video Compression Codec
ii  libx11-6               2:1.1.4-2         X11 client-side library
ii  libxext6               2:1.0.4-1         X11 miscellaneous extension librar
ii  libxinerama1           2:1.0.3-2         X11 Xinerama extension library
ii  libxv1                 2:1.0.4-1         X11 Video extension library
ii  libxvmc1               1:1.0.4-2         X11 Video extension library
ii  libxxf86dga1           2:1.0.2-1         X11 Direct Graphics Access extensi
ii  libxxf86vm1            1:1.0.1-3         X11 XFree86 video mode extension l
ii  mplayer-skin-blue [mpl 1.6-2             blue skin for mplayer
ii  zlib1g                 1:1.2.3.3.dfsg-12 compression library - runtime

mplayer recommends no packages.

-- debconf information:
  mplayer/voutput: autodetect
  mplayer/rtc: false
  mplayer/ttfont: Sans
  mplayer/cfgnote:
  mplayer/replace-existing-files-bail:
  mplayer/replace-existing-files: false
  mplayer/no-ttfont:
  mplayer/install_codecs:
  mplayer/dvd_device: /dev/cdrom



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