[MPlayer-users] mencoder crashes when encoding lavc mpeg4
David Kuehling
dvdkhlng at gmx.de
Sat Mar 30 13:54:43 CET 2002
Just yesterday I checked out the latest CVS versions of mencoder and
ffmpeg, which worked just great for MPEG4 DVD ripping. But mencoder
crashes when I tried to encode a VCD-format MPEG1 file. Here's the
backtrace:
Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread 1024 (LWP 5052)]
rate_estimate_qscale (s=0x8338500) at mpegvideo.c:2001
2001 q= 1/((1/long_term_q - 1/short_term_q)*s->qcompress + 1/short_term_q);
(gdb) bt
#0 rate_estimate_qscale (s=0x8338500) at mpegvideo.c:2001
#1 0x0809abaf in encode_picture (s=0x8338500, picture_number=0)
at mpegvideo.c:1413
#2 0x08097538 in MPV_encode_picture (avctx=0x8185e20, buf=0x40419008 "",
buf_size=2097152, data=0x8185ef4) at mpegvideo.c:558
#3 0x08095ddc in avcodec_encode_video (avctx=0x8185e20, buf=0x40419008 "",
buf_size=2097152, pict=0x8185ef4) at utils.c:100
#4 0x0804ecf4 in main (argc=8, argv=0xbffffd74, envp=0xbffffd98)
at mencoder.c:1548
#5 0x402126cf in __libc_start_main () from /lib/libc.so.6
Command-line:
<filename>.mpg -o test.avi -ovc lavc -lavcopts vcodec=mpeg4
Configuration:
./configure --enable-debug=1 --enable-largefiles \
--with-csslibdir=/usr/local/lib
OS:
Debian-Woody (testing), about 2 weeks old. Kernel 2.4.17, GCC 2.95.4
Hope that helps,
David Kühling
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