On Thu, 26 May 2005, Steven M. Schultz wrote:
> For what it is worth I get the segfault too - seems to happen just
> as the encoder is creating the first frame in the first GOP.
Core was generated by `mpeg2enc -I 2 -D 10 -E -10 -R 1 -q 8 -f 8 -4 2 -2 1 -K
kvcd -o coalb.m2v'.
Program terminated with signal 11, Segmentation fault.
warning: current_sos: Can't read pathname for load map: Input/output error
Reading symbols from /usr/local/lib/libmpeg2encpp-1.7.so.0...done.
Loaded symbols for /usr/local/lib/libmpeg2encpp-1.7.so.0
Reading symbols from /usr/local/lib/libmjpegutils-1.7.so.0...done.
Loaded symbols for /usr/local/lib/libmjpegutils-1.7.so.0
Reading symbols from /usr/lib/libstdc++.so.5...done.
Loaded symbols for /usr/lib/libstdc++.so.5
Reading symbols from /lib/tls/libm.so.6...done.
Loaded symbols for /lib/tls/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/tls/libpthread.so.0...done.
Loaded symbols for /lib/tls/libpthread.so.0
Reading symbols from /lib/tls/libc.so.6...done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
#0 0x400580e6 in pred (src=0x0, sfield=1, dst=0x8185c60, dfield=0, lx=1408,
w=16, h=8, x=0, y=0, dx=0, dy=0, addflag=false) at predict.cc:93
93 ppred_comp(
src[cc]+(sfield?lx>>1:0),dst[cc]+(dfield?lx>>1:0),
(gdb) where
#0 0x400580e6 in pred (src=0x0, sfield=1, dst=0x8185c60, dfield=0, lx=1408,
w=16, h=8, x=0, y=0, dx=0, dy=0, addflag=false) at predict.cc:93
#1 0x40058a72 in MacroBlock::Predict (this=0x411c6008) at encodertypes.h:72
#2 0x4004cf32 in MacroBlock::Encode (this=0x411c6008) at macroblock.cc:32
#3 0x40054ac0 in Picture::EncodeMacroBlocks (this=0x85a27b0)
at stl_iterator.h:605
#4 0x4005a2ed in SeqEncoder::EncodePicture (this=0x804f508, picture=0x85a27b0)
at seqencoder.cc:326
#5 0x4005a3e2 in SeqEncoder::Pass1EncodeFrame (this=0x804f508)
at seqencoder.cc:499
#6 0x4005a79b in SeqEncoder::EncodeStream (this=0x804f508)
at seqencoder.cc:427
#7 0x0804b17f in main (argc=0, argv=0x0) at mpeg2enc.cc:1035
NULL pointer dereference from the looks of things - the 'src=0x0'
would indicate a buffer pointer isn't set or something.
Cheers,
Steven Schultz
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