[EMAIL PROTECTED] wrote: >Send Mjpeg-users mailing list submissions to > mjpeg-users@lists.sourceforge.net > >To subscribe or unsubscribe via the World Wide Web, visit > https://lists.sourceforge.net/lists/listinfo/mjpeg-users >or, via email, send a message with subject or body 'help' to > [EMAIL PROTECTED] > >You can reach the person managing the list at > [EMAIL PROTECTED] > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of Mjpeg-users digest..." > > >Today's Topics: > > 1. Re: Miro DC10+ and interference (Andy Brown) > 2. mjpegtools-1.8.0: Illegal instruction (mpeg2enc) > (Sebastian Kemper) > 3. Re: mjpegtools-1.8.0: Illegal instruction (mpeg2enc) > (Steven M. Schultz) > 4. Glav no longer playing with -p S (Anne Wilson) > 5. Re: mjpegtools-1.8.0: Illegal instruction (mpeg2enc) > (Sebastian Kemper) > > >---------------------------------------------------------------------- > >Message: 1 >Date: Tue, 02 Jan 2007 17:40:31 +0000 >From: Andy Brown <[EMAIL PROTECTED]> >Subject: Re: [Mjpeg-users] Miro DC10+ and interference >To: MJPEG-tools user list <mjpeg-users@lists.sourceforge.net> >Message-ID: <[EMAIL PROTECTED]> >Content-Type: text/plain; charset=ISO-8859-1; format=flowed > >Thanks for the info Bernhard. > >Bernhard Praschinger wrote: > > >>Hallo >> >> >> >>>I'm using the DC10+ card, line input from a wireless camera. >>>Unfortunately the wireless camera gets interference from other house >>>devices (power supplies, microwave oven, etc), so sometimes the signal >>>gets corrupted, and interference appears on its output. >>>This seems to de-stabilise anything capturing from the driver, and >>>requires applications to be killed and restarted. >>> >>> >>When you view the video on a TV is it there also corrupted ? >>If yes you should find the problem an eliminate that. >>The problem is that the chipset can't sync any more to the frame, an >>will stop recording/delivering the data. >> >> > >Yes, the corruption is also when viewed direct to TV or other output >device, this is because the video is coming from a wireless camera that >does get interference 'over the air' by other household items, which I >can do nothing about. >So from what you explain, I cannot stop this from causing the device to >stop delivering the data and require the device to be closed then re-opened? > > > >>>I'm trying to decide/find if this should be detected/handled in the >>>software or kernel driver, so bear with me if this is nothing to do with >>>the zoran kernel driver, please just tell me so! >>> >>> >>Is that problem also existent when you capture with lavrec from mjpegtools ? >> >> > >Yes, you're right, it is with other programs too, hence my above comment. > >Thanks for the info, if anyone has any patches that might help with this >(I'd prefer it to just discard the frames silently, rather than need me >to close the capture device), I'd give them a go! > >Regards, >Andy > > > > > > > > >------------------------------ > >Message: 2 >Date: Tue, 2 Jan 2007 22:51:26 +0100 >From: Sebastian Kemper <[EMAIL PROTECTED]> >Subject: [Mjpeg-users] mjpegtools-1.8.0: Illegal instruction > (mpeg2enc) >To: Mjpeg-users <mjpeg-users@lists.sourceforge.net> >Message-ID: <[EMAIL PROTECTED]> >Content-Type: text/plain; charset=us-ascii > >Hello all, > >I posted this initially to Gentoo forums, but after I managed to get a >gdb dump I thought I could post it here. > >I have a little box (Epia M6000 with a small 600MHz cpu, basically an >i686 without cmov) that I updated recently after a year of doing nothing >with it. I changed from CHOST=i586 to i686 (that's what the gentoo wiki >suggests for these cpus). The update went fine it seems - no issues >except the one with mjpegtools. > >I want to use a script which uses these commands: > >png2yuv -n1 -f25 -It -L1 -v0 -j some.png | mpeg2enc -q 2 -a 2 -n p -f 8 >-v 0 -o some.m2v > >But it fails every time with "Illegal intruction". Here's what happens >when I do it manually: > >png2yuv -n1 -f25 -It -L1 -j /usr/share/vdr/burn/sinlich-1.png | >mpeg2enc -q 2 -a 2 -n p -f 8 -o some.m2v > INFO: [png2yuv] Parsing & checking input files. > INFO: [mpeg2enc] SETTING MMX for MOTION! > INFO: [mpeg2enc] SETTING MMX for TRANSFORM! > INFO: [mpeg2enc] SETTING MMX for PREDICTION! > INFO: [png2yuv] Image dimensions are 720x576 > INFO: [png2yuv] Movie frame rate is: 25.000000 frames/second > INFO: [png2yuv] Interlaced frames, top field first. > INFO: [png2yuv] Frame size: 720 x 576 > INFO: [png2yuv] Now generating YUV4MPEG stream. > INFO: [mpeg2enc] Selecting DVD output profile > INFO: [mpeg2enc] Interlaced input - selecting interlaced encoding. > INFO: [mpeg2enc] Encoding MPEG-2 video to some.m2v > INFO: [mpeg2enc] Horizontal size: 720 pel > INFO: [mpeg2enc] Vertical size: 576 pel > INFO: [mpeg2enc] Aspect ratio code: 2 = 4:3 display > INFO: [mpeg2enc] Frame rate code: 3 = 25.0 (PAL/SECAM VIDEO / >converted FILM) > INFO: [mpeg2enc] Bitrate: 7500 KBit/s > INFO: [mpeg2enc] Quality factor: 2 (Quantisation = 2) (1=best, >31=worst) > INFO: [mpeg2enc] Field order for input: top-field-first > INFO: [mpeg2enc] Sequence unlimited length > INFO: [mpeg2enc] Search radius: 16 > INFO: [mpeg2enc] DualPrime: no > INFO: [mpeg2enc] Using one-pass rate controller > INFO: [mpeg2enc] GOP SIZE RANGE 9 TO 15 > INFO: [mpeg2enc] Setting colour/gamma parameters to "PAL B/G" > INFO: [mpeg2enc] Progressive format frames = 0 > INFO: [mpeg2enc] Using default unmodified quantization matrices > INFO: [mpeg2enc] Buffering 33 frames > INFO: [mpeg2enc] Signaling last frame = 0 > INFO: [mpeg2enc] SETTING MMX and MMX for QUANTIZER! > INFO: [mpeg2enc] NEW GOP INIT length 15 > Illegal instruction > >I use gcc-4.1.1, glibc-2.4 and the said cpu which features mmx, 3dnow >and no cmov. For the backtrace my cflags were "-march=c3 -pipe -Os >-m3dnow". > >All this is happening on a Gentoo box: > >Here's emerge --info: > >Portage 2.1.1-r2 (default-linux/x86/2006.1/desktop, gcc-4.1.1, >glibc-2.4-r4, 2.6.19.1 i686) > ================================================================= > System uname: 2.6.19.1 i686 VIA Samuel 2 > Gentoo Base System version 1.12.6 > Last Sync: Sun, 31 Dec 2006 08:20:01 +0000 > ccache version 2.4 [enabled] > app-admin/eselect-compiler: [Not Present] > dev-java/java-config: [Not Present] > dev-lang/python: 2.4.3-r4 > dev-python/pycrypto: 2.0.1-r5 > dev-util/ccache: 2.4-r6 > dev-util/confcache: [Not Present] > sys-apps/sandbox: 1.2.17 > sys-devel/autoconf: 2.13, 2.61 > sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, >1.10 > sys-devel/binutils: 2.16.1-r3 > sys-devel/gcc-config: 1.3.14 > sys-devel/libtool: 1.5.22 > virtual/os-headers: 2.6.17-r2 > ACCEPT_KEYWORDS="x86" > AUTOCLEAN="yes" > CBUILD="i686-pc-linux-gnu" > CFLAGS="-Os -march=c3 -fomit-frame-pointer -pipe -m3dnow" > CHOST="i686-pc-linux-gnu" > CONFIG_PROTECT="/etc" > CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild >/etc/terminfo" > CXXFLAGS="-Os -march=c3 -fomit-frame-pointer -pipe -m3dnow" > DISTDIR="/video/portage/distfiles" > FEATURES="autoconfig ccache distlocks metadata-transfer sandbox sfperms >strict" > LANG="en_US" > LC_ALL="en_US" > LINGUAS="en" > MAKEOPTS="" > PKGDIR="/usr/portage/packages" > PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times >--compress --force --whole-file --delete --delete-after --stats >--timeout=180 --exclude='/distfiles' --exclude='/local' >--exclude='/packages'" > PORTAGE_TMPDIR="/video/portage-tmp" > PORTDIR="/video/portage" > PORTDIR_OVERLAY="/usr/local/portage" > SYNC="rsync://rsync.informatik.rwth-aachen.de/gentoo-portage" > USE="3dnow elibc_glibc >kernel_linux linguas_en lirc_devices_serial logrotate mmx ncurses nptl >readline udev userland_GNU >x86 zlib" > Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, >PORTAGE_RSYNC_EXTRA_OPTS > >And here's the backtrace: > >gdb mpeg2enc > GNU gdb 6.4 > Copyright 2005 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and >you are > welcome to change it and/or distribute copies of it under certain >conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for >details. > This GDB was configured as "i686-pc-linux-gnu"...Using host >libthread_db library "/lib/libthread_db.so.1". > > (gdb) run -q 2 -a 2 -n p -f 8 -v 2 -o sinlich.m2v sinlich.yuv > Starting program: /usr/bin/mpeg2enc -q 2 -a 2 -n p -f 8 -v 2 -o >sinlich.m2v sinlich.yuv > [Thread debugging using libthread_db enabled] > [New Thread -1211328848 (LWP 6913)] > INFO: [mpeg2enc] SETTING MMX for MOTION! > INFO: [mpeg2enc] SETTING MMX for TRANSFORM! > INFO: [mpeg2enc] SETTING MMX for PREDICTION! > INFO: [mpeg2enc] Selecting DVD output profile > INFO: [mpeg2enc] Interlaced input - selecting interlaced encoding. > INFO: [mpeg2enc] Encoding MPEG-2 video to sinlich.m2v > INFO: [mpeg2enc] Horizontal size: 720 pel > INFO: [mpeg2enc] Vertical size: 576 pel > INFO: [mpeg2enc] Aspect ratio code: 2 = 4:3 display > INFO: [mpeg2enc] Frame rate code: 3 = 25.0 (PAL/SECAM VIDEO / >converted FILM) > INFO: [mpeg2enc] Bitrate: 7500 KBit/s > INFO: [mpeg2enc] Quality factor: 2 (Quantisation = 2) (1=best, >31=worst) > INFO: [mpeg2enc] Field order for input: top-field-first > INFO: [mpeg2enc] Sequence unlimited length > INFO: [mpeg2enc] Search radius: 16 > INFO: [mpeg2enc] DualPrime: no > INFO: [mpeg2enc] Using one-pass rate controller > INFO: [mpeg2enc] GOP SIZE RANGE 9 TO 15 > INFO: [mpeg2enc] Setting colour/gamma parameters to "PAL B/G" > INFO: [mpeg2enc] Progressive format frames = 0 > INFO: [mpeg2enc] Using default unmodified quantization matrices > INFO: [mpeg2enc] Buffering 33 frames > --DEBUG: [mpeg2enc] End of input stream detected > INFO: [mpeg2enc] Signaling last frame = 0 > INFO: [mpeg2enc] SETTING MMX and MMX for QUANTIZER! > --DEBUG: [mpeg2enc] Split len = 0 > INFO: [mpeg2enc] NEW GOP INIT length 15 > --DEBUG: [mpeg2enc] Start 0 I 0 0 > --DEBUG: [mpeg2enc] FIRST GOP INIT > --DEBUG: [mpeg2enc] Frame I T=60907 A=562500 Xi=0.00 Xp=0.00 Xb=0.00 > > Program received signal SIGILL, Illegal instruction. > [Switching to Thread -1211328848 (LWP 6913)] > 0xb7e0a528 in fmax () from /lib/libm.so.6 > (gdb) bt > #0 0xb7e0a528 in fmax () from /lib/libm.so.6 > #1 0xb7f2a1ec in OnTheFlyRateCtl::InitNewPict () from >/usr/lib/libmpeg2encpp-1.8.so.0 > #2 0xb7f22ddd in Picture::InitRateControl () from >/usr/lib/libmpeg2encpp-1.8.so.0 > #3 0xb7f239c9 in Picture::QuantiseAndEncode () from >/usr/lib/libmpeg2encpp-1.8.so.0 > #4 0xb7f27348 in SeqEncoder::EncodePicture () from >/usr/lib/libmpeg2encpp-1.8.so.0 > #5 0xb7f2756e in SeqEncoder::Pass1EncodeFrame () from >/usr/lib/libmpeg2encpp-1.8.so.0 > #6 0xb7f276bc in SeqEncoder::EncodeStream () from >/usr/lib/libmpeg2encpp-1.8.so.0 > #7 0x0804ac75 in main () > (gdb) disass $pc-32 $pc+32 > Dump of assembler code from 0xb7e0a508 to 0xb7e0a548: > 0xb7e0a508 <__fpclassify+72>: add %al,(%eax) > 0xb7e0a50a <__fpclassify+74>: pop %esi > 0xb7e0a50b <__fpclassify+75>: pop %ebp > 0xb7e0a50c <__fpclassify+76>: ret > 0xb7e0a50d <__fpclassify+77>: mov $0x2,%eax > 0xb7e0a512 <__fpclassify+82>: jmp 0xb7e0a4f1 <__fpclassify+49> > 0xb7e0a514 <__fpclassify+84>: mov $0x3,%al > 0xb7e0a516 <__fpclassify+86>: jmp 0xb7e0a4f1 <__fpclassify+49> > 0xb7e0a518 <__fpclassify+88>: nop > 0xb7e0a519 <__fpclassify+89>: nop > 0xb7e0a51a <__fpclassify+90>: nop > 0xb7e0a51b <__fpclassify+91>: nop > 0xb7e0a51c <__fpclassify+92>: nop > 0xb7e0a51d <__fpclassify+93>: nop > 0xb7e0a51e <__fpclassify+94>: nop > 0xb7e0a51f <__fpclassify+95>: nop > 0xb7e0a520 <fmax+0>: fldl 0x4(%esp) > 0xb7e0a524 <fmax+4>: fldl 0xc(%esp) > 0xb7e0a528 <fmax+8>: fucomi %st(0),%st > 0xb7e0a52a <fmax+10>: fcmovu %st(1),%st > 0xb7e0a52c <fmax+12>: fxch %st(1) > 0xb7e0a52e <fmax+14>: fucomi %st(1),%st > 0xb7e0a530 <fmax+16>: fcmovb %st(1),%st > 0xb7e0a532 <fmax+18>: fstp %st(1) > 0xb7e0a534 <fmax+20>: ret > 0xb7e0a535 <fmax+21>: nop > 0xb7e0a536 <fmax+22>: nop > 0xb7e0a537 <fmax+23>: nop > 0xb7e0a538 <fmax+24>: nop > 0xb7e0a539 <fmax+25>: nop > 0xb7e0a53a <fmax+26>: nop > 0xb7e0a53b <fmax+27>: nop > 0xb7e0a53c <fmax+28>: nop > 0xb7e0a53d <fmax+29>: nop > 0xb7e0a53e <fmax+30>: nop > 0xb7e0a53f <fmax+31>: nop > 0xb7e0a540 <fmin+0>: fldl 0x4(%esp) > 0xb7e0a544 <fmin+4>: fldl 0xc(%esp) > End of assembler dump. > (gdb) info all-registers > eax 0x2d 45 > ecx 0x76f5d 487261 > edx 0x0 0 > ebx 0xb7f352ec -1208790292 > esp 0xbf8f62a4 0xbf8f62a4 > ebp 0xbf8f6310 0xbf8f6310 > esi 0xbf8f65a0 -1081121376 > edi 0x804f380 134542208 > eip 0xb7e0a528 0xb7e0a528 <fmax+8> > eflags 0x210246 2163270 > cs 0x73 115 > ss 0x7b 123 > ds 0x7b 123 > es 0x7b 123 > fs 0x0 0 > gs 0x33 51 > st0 2 (raw 0x40008000000000000000) > st1 1.9999649999999999927524640952469781 (raw >0x3ffffffeda6612839000) > st2 -nan(0xe0c0000097b) (raw 0xffff00000e0c0000097b) > st3 -nan(0xffffffff0000ffff) (raw 0xffffffffffff0000ffff) > st4 -nan(0x6ca00000000) (raw 0xffff000006ca00000000) > st5 -nan(0xffff00000000) (raw 0xffff0000ffff00000000) > st6 -nan(0xfff8b80100031eed) (raw 0xfffffff8b80100031eed) > st7 0 (raw 0x00000000000000000000) > fctrl 0x37f 895 > fstat 0x3120 12576 > ftag 0xfff 4095 > fiseg 0x73 115 > fioff 0xb7e0a524 -1210014428 > foseg 0x7b 123 > fooff 0xbf8f62b0 -1081122128 > fop 0x544 1348 > xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > xmm1 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > xmm2 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > xmm3 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > xmm4 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > ---Type <return> to continue, or q <return> to quit--- > xmm5 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > xmm6 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > xmm7 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, >0x0}, v16_int8 = {0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, >0x0, 0x0, 0x0, > 0x0, 0x0}, v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, >uint128 = 0x00000000000000000000000000000000} > mxcsr 0x1f80 8064 > mm0 {uint64 = 0xfff8b80100031eed, v2_int32 = {0x31eed, >0xfff8b801}, v4_int16 = {0x1eed, 0x3, 0xb801, 0xfff8}, v8_int8 = {0xed, >0x1e, 0x3, 0x0, > 0x1, 0xb8, 0xf8, 0xff}} > mm1 {uint64 = 0x0, v2_int32 = {0x0, 0x0}, v4_int16 = {0x0, >0x0, 0x0, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}} > mm2 {uint64 = 0x8000000000000000, v2_int32 = {0x0, >0x80000000}, v4_int16 = {0x0, 0x0, 0x0, 0x8000}, v8_int8 = {0x0, 0x0, >0x0, 0x0, 0x0, 0x0, > 0x0, 0x80}} > mm3 {uint64 = 0xfffeda6612839000, v2_int32 = {0x12839000, >0xfffeda66}, v4_int16 = {0x9000, 0x1283, 0xda66, 0xfffe}, v8_int8 = >{0x0, 0x90, 0x83, > 0x12, 0x66, 0xda, 0xfe, 0xff}} > mm4 {uint64 = 0xe0c0000097b, v2_int32 = {0x97b, 0xe0c}, >v4_int16 = {0x97b, 0x0, 0xe0c, 0x0}, v8_int8 = {0x7b, 0x9, 0x0, 0x0, >0xc, 0xe, 0x0, 0x0}} > mm5 {uint64 = 0xffffffff0000ffff, v2_int32 = {0xffff, >0xffffffff}, v4_int16 = {0xffff, 0x0, 0xffff, 0xffff}, v8_int8 = {0xff, >0xff, 0x0, 0x0, > 0xff, 0xff, 0xff, 0xff}} > mm6 {uint64 = 0x6ca00000000, v2_int32 = {0x0, 0x6ca}, >v4_int16 = {0x0, 0x0, 0x6ca, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0xca, >0x6, 0x0, 0x0}} > mm7 {uint64 = 0xffff00000000, v2_int32 = {0x0, 0xffff}, >v4_int16 = {0x0, 0x0, 0xffff, 0x0}, v8_int8 = {0x0, 0x0, 0x0, 0x0, 0xff, >0xff, 0x0, 0x0}} > (gdb) > >Help is appreciated. I just hope it's not all my fault :-) > >Regards >Sebastian > > > >------------------------------ > >Message: 3 >Date: Tue, 2 Jan 2007 14:19:11 -0800 (PST) >From: "Steven M. Schultz" <[EMAIL PROTECTED]> >Subject: Re: [Mjpeg-users] mjpegtools-1.8.0: Illegal instruction > (mpeg2enc) >To: MJPEG-tools user list <mjpeg-users@lists.sourceforge.net> >Message-ID: <[EMAIL PROTECTED]> >Content-Type: TEXT/PLAIN; charset=US-ASCII > > >On Tue, 2 Jan 2007, Sebastian Kemper wrote: > > > >>I posted this initially to Gentoo forums, but after I managed to get a >>gdb dump I thought I could post it here. >> >> > > Looks like a Gentoo problem... > > I guess we can't accuse you of not providing enough information :) > > > >>I have a little box (Epia M6000 with a small 600MHz cpu, basically an >>i686 without cmov) that I updated recently after a year of doing nothing >>with it. I changed from CHOST=i586 to i686 (that's what the gentoo wiki >>suggests for these cpus). The update went fine it seems - no issues >>except the one with mjpegtools. >> >> > ... > > > >> INFO: [mpeg2enc] NEW GOP INIT length 15 >> Illegal instruction >> >> > > > >>And here's the backtrace: >> >> > > > >>gdb mpeg2enc >> --DEBUG: [mpeg2enc] Frame I T=60907 A=562500 Xi=0.00 Xp=0.00 Xb=0.00 >> >> Program received signal SIGILL, Illegal instruction. >> [Switching to Thread -1211328848 (LWP 6913)] >> 0xb7e0a528 in fmax () from /lib/libm.so.6 >> (gdb) bt >> #0 0xb7e0a528 in fmax () from /lib/libm.so.6 >> #1 0xb7f2a1ec in OnTheFlyRateCtl::InitNewPict () from >>/usr/lib/libmpeg2encpp-1.8.so.0 >> >> > ... > > Ok - the program is crashing in a libc routine, specifically fmax(). > > > According to the assembly code you provided: > > > >> 0xb7e0a528 <fmax+8>: fucomi %st(0),%st >> >> > > Seems that 'fucomi' isn't supported on your cpy type. That would > suggest that the fmax() in libc is using an illegal floating point > instruction for the Epia cpu. > > mjpegtools does have a fmax() that it will compile and use if the > system does not have one. > > In config.h perhaps changing > >#define HAVE_FMAX 1 > > to > >#undef HAVE_FMAX > > will work. On the other hand that could just result in a multiply > defined symol where fmax() clashes between mjpegtools and libc. > > Good Luck! > > Cheers, > Steven Schultz > > > > >------------------------------ > >Message: 4 >Date: Tue, 2 Jan 2007 22:27:05 +0000 >From: Anne Wilson <[EMAIL PROTECTED]> >Subject: [Mjpeg-users] Glav no longer playing with -p S >To: Mjpeg-users <mjpeg-users@lists.sourceforge.net> >Message-ID: <[EMAIL PROTECTED]> >Content-Type: text/plain; charset="iso-8859-15" > >Due to codec problems I ended up uninstalling mjpegtools from FC6 and >installing the version from freshrpms. A quick test with glav on an existing >avi shows that I have problems. > >glav -p S filename.avi > >results in a listing of options. Using -p H causes the app to launch and >immediately die. Using -p C gives me sound but no picture. > >The listing of options doesn't show -p S, although it is mentioned in the man >pages. Has something changed, or have I got a faulty package? > >Anne >-------------- next part -------------- >A non-text attachment was scrubbed... >Name: not available >Type: application/pgp-signature >Size: 189 bytes >Desc: not available >Url : >http://sourceforge.net/mailarchive/forum.php?forum=mjpeg-users/attachments/20070102/f8fe3ab1/attachment.bin > > >------------------------------ > >Message: 5 >Date: Wed, 3 Jan 2007 11:29:58 +0100 >From: Sebastian Kemper <[EMAIL PROTECTED]> >Subject: Re: [Mjpeg-users] mjpegtools-1.8.0: Illegal instruction > (mpeg2enc) >To: mjpeg-users@lists.sourceforge.net >Message-ID: <[EMAIL PROTECTED]> >Content-Type: text/plain; charset=us-ascii > >On Tue, Jan 02, 2007 at 02:19:11PM -0800, Steven M. Schultz wrote: > > >> Looks like a Gentoo problem... >> >> I guess we can't accuse you of not providing enough information :) >> >> >> > >Thanks for the flowers, I try :-) > > > >>> Program received signal SIGILL, Illegal instruction. >>> [Switching to Thread -1211328848 (LWP 6913)] >>> 0xb7e0a528 in fmax () from /lib/libm.so.6 >>> (gdb) bt >>> #0 0xb7e0a528 in fmax () from /lib/libm.so.6 >>> #1 0xb7f2a1ec in OnTheFlyRateCtl::InitNewPict () from >>>/usr/lib/libmpeg2encpp-1.8.so.0 >>> >>> >> ... >> >> Ok - the program is crashing in a libc routine, specifically fmax(). >> >> >> According to the assembly code you provided: >> >> >> >>> 0xb7e0a528 <fmax+8>: fucomi %st(0),%st >>> >>> >> Seems that 'fucomi' isn't supported on your cpy type. That would >> suggest that the fmax() in libc is using an illegal floating point >> instruction for the Epia cpu. >> >> > >What about "fcmoveu" and "fcmovb"? Are they the cmov instructions my cpu >doesn't support? The thing is that the wiki said setting CHOST=i686.. >was OK because gcc would figure out what instructions not to use when I >pass -march=c3. > > > >> mjpegtools does have a fmax() that it will compile and use if the >> system does not have one. >> >> In config.h perhaps changing >> >>#define HAVE_FMAX 1 >> >> to >> >>#undef HAVE_FMAX >> >> will work. On the other hand that could just result in a multiply >> defined symol where fmax() clashes between mjpegtools and libc. >> >> > >I'm going to recompile the box with CHOST=i586-.. because I if that's >the issue there's probably more breakage that I haven't found out about >yet - and I don't need that. If it doesn't help I'll try the FMAX stuff. > >Thanks for you input, Steven! > >Regards >Sebastian > > > >------------------------------ > >------------------------------------------------------------------------- >Take Surveys. Earn Cash. Influence the Future of IT >Join SourceForge.net's Techsay panel and you'll get the chance to share your >opinions on IT & business topics through brief surveys - and earn cash >http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > >------------------------------ > >_______________________________________________ >Mjpeg-users mailing list >Mjpeg-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/mjpeg-users > > >End of Mjpeg-users Digest, Vol 8, Issue 2 >***************************************** > > > > You could also attach some other device between the wireless camera and the dc10 (videorecorder) that way you would always generate a signal and corrupted signals will not get through.
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