[FFmpeg-trac] #1082(undetermined:new): snow enc: crash with -s 4000x4000

[FFmpeg]

#1082: snow enc: crash with -s 4000x4000
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 {{{
 (gdb) r -i h261.avi -vcodec snow -strict -2 -s 4000x4000 out.avi
 Starting program: d:\mingw\msys\1.0\ffmpeg\ffmpeg_g.exe -i h261.avi
 -vcodec snow
  -strict -2 -s 4000x4000 out.avi
 [New Thread 1812.0xb9c]
 ffmpeg version 0.9.1.git Copyright (c) 2000-2012 the FFmpeg developers
   built on Mar 10 2012 16:15:15 with gcc 4.6.1
   configuration: --disable-yasm --disable-ffprobe
   libavutil      51. 42.100 / 51. 42.100
   libavcodec     54. 10.100 / 54. 10.100
   libavformat    54.  2.100 / 54.  2.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 63.100 /  2. 63.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  7.100 /  0.  7.100
 Input #0, avi, from 'h261.avi':
   Metadata:
     encoder         : Lavf54.2.100
   Duration: 00:00:00.04, start: 0.000000, bitrate: 1863 kb/s
     Stream #0:0: Video: h261 (H261 / 0x31363248), yuv420p, 352x288, 25
 tbr, 25 t
 bn, 25 tbc
 w:352 h:288 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
 [scale @ 038722c0] w:352 h:288 fmt:yuv420p -> w:4000 h:4000 fmt:yuv420p
 flags:0x
 4
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf54.2.100
     Stream #0:0: Video: snow (SNOW / 0x574F4E53), yuv420p, 4000x4000,
 q=2-31, 20
 0 kb/s, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (h261 -> snow)
 Press [q] to stop, [?] for help
 [h261 @ 03dd0920] warning: first frame is no keyframe

 Program received signal SIGSEGV, Segmentation fault.
 0x00a43bd7 in __chkstk_ms ()
 (gdb) bt
 #0  0x00a43bd7 in __chkstk_ms ()
 #1  0x0081de03 in encode_subband_c0run (s=0x3ec0040, b=0x3ef8170,
     src=0x3d0910, parent=0x4520428, stride=16000, orientation=<optimized
 out>)
     at libavcodec/snowenc.c:837
 #2  0x00820a68 in encode_subband (stride=16000, parent=<optimized out>,
     src=0x4520810, b=0x3ef8170, s=0x3ec0040, orientation=<optimized out>)
     at libavcodec/snowenc.c:953
 #3  encode_frame (avctx=0x3dd2560, pkt=0x22db40, pict=0x22d9d8,
     got_packet=0x22dc0c) at libavcodec/snowenc.c:1803
 #4  0x004f945d in avcodec_encode_video2 (avctx=0x3dd2560, avpkt=0x22db40,
     frame=0x22d9d8, got_packet_ptr=0x22dc0c) at libavcodec/utils.c:1219
 #5  0x00405de0 in do_video_out (s=0x3dd2040, ost=0x3dd2940,
     in_picture=0x38742c0, ist=<optimized out>) at ffmpeg.c:1619
 #6  0x00407d6c in transcode_video (pkt_pts=<optimized out>,
     got_output=<optimized out>, pkt=<optimized out>, ist=<optimized out>)
     at ffmpeg.c:2178
 #7  output_packet (ist=0x3871d60, ost_table=0x3dd2940, nb_ostreams=1,
     pkt=0x22fb28) at ffmpeg.c:2270
 #8  0x0040bf3b in transcode (output_files=0x3871a00, nb_output_files=1,
     input_files=0x3871e20, nb_input_files=1) at ffmpeg.c:3082
 #9  0x0022ff48 in ?? ()
 Backtrace stopped: Not enough registers or memory available to unwind
 further
 (gdb)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1082>
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