[MPlayer-dev-eng] [BUGREPORT]: muxer_mpeg broken

[Nico]

Hi,

when I try to transmux an avi file with MPEG1+MP2 to mpg  I get SIGSEGV:


[root at xp MPlayer-20030602]# gdb mencoder
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run   -of mpeg -o x.mpg  ../../Films/Films/x.avi -oac copy -ovc copy


Starting program: /home/nico/EMI/MPlayer-20030602/mencoder -of mpeg -o 
x.mpg  ../../Films/Films/x.avi -oac copy -ovc copy
[New Thread 16384 (LWP 10223)]
Using GNU internationalization
Original domain: messages
Original dirname: /usr/share/locale
Current domain: mplayer
Current dirname: /usr/local/share/locale


MEncoder dev-CVS-030602-06:00-3.2.2 (C) 2000-2003 Arpad Gereoffy (see DOCS)

CPU: Advanced Micro Devices Athlon 4 PM Palomino/Athlon MP 
Multiprocessor/Athlon XP eXtreme Performance (Family: 6, Stepping: 2)
Detected cache-line size is 64 bytes
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 0
Reading /root/.mplayer/codecs.conf: can't open 
'/root/.mplayer/codecs.conf': No such file or directory
Reading /usr/local/etc/mplayer/codecs.conf: 55 audio & 141 video codecs
File not found: 'frameno.avi'
Failed to open frameno.avi
Reading config file /root/.mplayer/mencoder: No such file or directory
success: format: 0  data: 0x0 - 0x1989AC
AVI file format detected.
VIDEO:  [mpg1]  352x288  24bpp  25,00 fps  707,1 kbps (86,3 kbyte/s)
VIDEO:  MPEG1  352x288  (aspect 1)  25,00 fps  700,0 kbps (87,5 kbyte/s)
[V] filefmt:3  fourcc:0x10000001  size:352x288  fps:25,00  ftime:=0,0400
videocodec: framecopy (352x288 24bpp fourcc=3167706d)
audiocodec: framecopy (format=50 chans=2 rate=48000 bits=16 bps=32000 
sample=1)
Writing AVI header...
Limiting audio preload to 0.4s
Increasing audio density to 4
Pos:   0,9s     22f (12%)   0fps Trem:   0min   1mb  A-V:0,036 [0:256]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 10223)]
0x080edf1c in mpegfile_write_chunk (s=0x83ae3a8, len=0, flags=0) at 
muxer_mpeg.c:252
252         if (s->buffer[0] != 0 || s->buffer[1] != 0 || s->buffer[2] 
!= 1 || len<6) {
(gdb) p s
$1 = (muxer_stream_t *) 0x83ae3a8
(gdb) p s->buffer[0]
Cannot access memory at address 0x0
(gdb) p s->buffer
$2 = (unsigned char *) 0x0



If needed I can upload  x.avi at mphq, but the error is reproducible at 
any time, and it's been so for a loooooong time (in mplayer-0.90pre5 it 
worked well).

Thanks,
        Nico