Re: rc3 - yuvscaler crash with -M BICUBIC

Le 6 déc. 07 à 15:21, herve.flores a écrit :

> Hi this bug is not specific to rc3 (same behavior for rc2, I didn't  
> test earlier versions)
>
> seems to occurs with -M BICUBIC and too many input pixels
> command line:
>
> ffmpeg -v 0 -i ~/SANY0003.MP4 -aspect 16:9 -r 25:1 -s 1920x1080 -f  
> yuv4mpegpipe - | yuvscaler -v 0 -M BICUBIC -O SIZE_720x576
>
> verbose:
>    INFO: [yuvscaler] yuvscaler 1.9.0 (15-02-2004) is a general  
> scaling utility for yuv frames
>    INFO: [yuvscaler] (C) 2001-2004 Xavier Biquard  
> <[email protected]>, yuvscaler -h for help, or man yuvscaler
> FFmpeg version SVN-r11164, Copyright (c) 2000-2007 Fabrice Bellard,  
> et al.
>   configuration: --enable-pp --enable-gpl --enable-pthreads --enable- 
> static --disable-shared --enable-gray --enable-libx264 --enable- 
> libmp3lame --enable-libgsm --enable-libfaac --enable-libfaad -- 
> enable-libamr-nb --enable-libamr-wb --enable-swscaler
>   libavutil version: 49.5.0
>   libavcodec version: 51.48.0
>   libavformat version: 52.1.0
>   built on Dec  5 2007 00:31:07, gcc: 4.0.1 (Apple Computer, Inc.  
> build 5370)
> Stream mapping:
>   Stream #0.0 -> #0.0
> Press [q] to stop encoding
> [h264 @ 0x5c8790]AVC: Consumed only 90302 bytes instead of 90315
> [h264 @ 0x5c8790]AVC: nal size 0
> [h264 @ 0x5c8790]AVC: Consumed only 148426 bytes instead of 148436
> [h264 @ 0x5c8790]AVC: nal size 0
>    INFO: [yuvscaler] input:   frame size:  1920x1080 pixels (3110400  
> bytes)
>    INFO: [yuvscaler] input:       chroma:  4:2:0 MPEG-2 (horiz.  
> cositing)
>    INFO: [yuvscaler] input:   frame rate:  25/1 fps (~25.000000)
>    INFO: [yuvscaler] input:    interlace:  bottom-field-first
>    INFO: [yuvscaler] input: sample aspect ratio:  1:1
>    INFO: [yuvscaler] from 1920x1080, take 1920x1080+0+0,  
> INTERLACED_BOTTOM_FIRST
>    INFO: [yuvscaler] scale to 720x576, 720x576 being displayed
>    INFO: [yuvscaler] Scaling uses the BICUBIC algorithm,
>    INFO: [yuvscaler] frame rate: 25.000 fps
>    INFO: [yuvscaler] Scaling ratio for width is 8 to 3
>    INFO: [yuvscaler] and is 15 to 8 for height
>    INFO: [yuvscaler] MMX accelerated treatment activated
> YUV4MPEG2 W720 H576 F25:1 Ib A64:45 C420mpeg2 XYSCSS=420MPEG2
>    INFO: [yuvscaler] output:   frame size:  720x576 pixels (622080  
> bytes)
>    INFO: [yuvscaler] output:       chroma:  4:2:0 MPEG-2 (horiz.  
> cositing)
>    INFO: [yuvscaler] output:   frame rate:  25/1 fps (~25.000000)
>    INFO: [yuvscaler] output:    interlace:  bottom-field-first
>    INFO: [yuvscaler] output: sample aspect ratio:  64:45
>    INFO: [yuvscaler] Frame number 0
> FRAME
> [h264 @ 0x5c8790]AVC: Consumed only 11410 bytes instead of 11420
> [h264 @ 0x5c8790]AVC: nal size 0
> [h264 @ 0x5c8790]AVC: Consumed only 58093 bytes instead of 58108
> [h264 @ 0x5c8790]AVC: nal size 0
> Segmentation fault
>
> if I reduce size of input (before pipe to yuvscaler) => succes
>
> I made some maths (with different sizes):
> 1920*1080 = 2073600 px => failure :-(
> 1590*1080 = 1717200 px	:-(
> 1674*1028 = 1720872 px	:-(
>
> 1580*1080 = 1706400 px => succes :-)
> 1674*1026 = 1717524 px	:-)
> 1678*1024 = 1718272 px	:-)
>
> ----------------------------------------
>
> The crash log:
>
> Process:         yuvscaler [38691]
> Path:            /tmp/MC/MC.app/Contents/Resources/tools/yuvscaler
> Identifier:      yuvscaler
> Version:         ??? (???)
> Code Type:       X86 (Native)
> Parent Process:  bash [38681]
>
> Date/Time:       2007-12-06 15:14:06.369 +0100
> OS Version:      Mac OS X 10.5.1 (9B18)
> Report Version:  6
>
> Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000703000
> Crashed Thread:  0
>
> Thread 0 Crashed:
> 0   yuvscaler                     	0x0000976c cubic_scale_interlaced  
> + 703 (yuvscaler_bicubic.c:513)
> 1   yuvscaler                     	0x000046d1 main + 3193  
> (yuvscaler.c:1920)
> 2   yuvscaler                     	0x00001d3e _start + 216
> 3   yuvscaler                     	0x00001c65 start + 41
>
> Thread 0 crashed with X86 Thread State (32-bit):
>   eax: 0x00000000  ebx: 0x063b9e3f  ecx: 0x00000007  edx: 0x000013b0
>   edi: 0x008013f2  esi: 0x006fe140  ebp: 0xbffff4e8  esp: 0xbffff3d4
>    ss: 0x0000001f  efl: 0x00010212  eip: 0x0000976c   cs: 0x00000017
>    ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037
>   cr2: 0x00703000
>
> Binary Images:
>     0x1000 -     0xffe7 +yuvscaler ??? (???) /tmp/MC/MC.app/Contents/ 
> Resources/tools/yuvscaler
> 0x8fe00000 - 0x8fe2d883  dyld 95.3 (???)  
> <81592e798780564b5d46b988f7ee1a6a> /usr/lib/dyld
> 0x91f5d000 - 0x920b7fe3  libSystem.B.dylib ??? (???)  
> <8ecc83dc0399be3946f7a46e88cf4bbb> /usr/lib/libSystem.B.dylib
> 0x96877000 - 0x96878fef  libmathCommon.A.dylib ??? (???) /usr/lib/ 
> system/libmathCommon.A.dylib
> 0xffff0000 - 0xffff1780  libSystem.B.dylib ??? (???) /usr/lib/ 
> libSystem.B.dylib
>
>
>
> ----------------------------------------
>
> PS: if I remove -M BICUBIC, yuvscaler doesn't crash
> ffmpeg -v 0 -i ~/SANY0003.MP4 -aspect 16:9 -r 25:1 -s 1920x1080 -f  
> yuv4mpegpipe - | yuvscaler -v 0 -O SIZE_720x576
> => success
>
> ----------------------------------------
>
> if you need more infos...
> (sorry for my english)
> bye
>
> Hervé

oops, I forget:
uname -mprsv
Darwin 9.1.0 Darwin Kernel Version 9.1.0: Wed Oct 31 17:46:22 PDT  
2007; root:xnu-1228.0.2~1/RELEASE_I386 i386 i386

system: MacOSX Leopard (10.5.1), core2duo 1.83GHz

bye

Hervé

-------------------------------------------------------------------------
SF.Net email is sponsored by: The Future of Linux Business White Paper
from Novell.  From the desktop to the data center, Linux is going
mainstream.  Let it simplify your IT future.
http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4

_______________________________________________
Mjpeg-developer mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/mjpeg-developer