[FFmpeg-trac] #1063(undetermined:new): h263p: crash with high resolution video

FFmpeg trac at avcodec.org
Tue Mar 13 20:32:06 CET 2012


#1063: h263p: crash with high resolution video
-------------------------------------+-------------------------------------
             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            |
-------------------------------------+-------------------------------------
 http://ffmpeg.org/trac/ffmpeg/attachment/ticket/1059/599.png

 {{{
 $ ffmpeg -i 599.png -s 4000x4000 -vcodec h263p out.avi
 }}}

 {{{
 (gdb) r -i out.avi out2.avi
 Starting program: d:\mingw\msys\1.0\ffmpeg\ffmpeg_g.exe -i out.avi
 out2.avi
 [New Thread 2888.0x80c]
 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 'out.avi':
   Metadata:
     encoder         : Lavf54.2.100
   Duration: 00:00:00.04, start: 0.000000, bitrate: 83956 kb/s
     Stream #0:0: Video: h263 (H263 / 0x33363248), yuv420p, 4000x4000, 25
 tbr, 25
  tbn, 25 tbc
 [buffer @ 03871c60] w:4000 h:4000 pixfmt:yuv420p tb:1/1000000 sar:0/1
 sws_param:

 Output #0, avi, to 'out2.avi':
   Metadata:
     ISFT            : Lavf54.2.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 4000x4000,
 q=2-31, 2
 00 kb/s, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (h263 -> mpeg4)
 Press [q] to stop, [?] for help

 Program received signal SIGSEGV, Segmentation fault.
 0x00739e7a in load_input_picture (pic_arg=0x22d9d8, s=0x3e363a0)
     at libavcodec/mpegvideo_enc.c:1036
 1036                            memcpy(dst, src, w);
 (gdb) bt
 #0  0x00739e7a in load_input_picture (pic_arg=0x22d9d8, s=0x3e363a0)
     at libavcodec/mpegvideo_enc.c:1036
 #1  ff_MPV_encode_picture (avctx=0x386f8e0, pkt=0x22db40,
 pic_arg=0x22d9d8,
     got_packet=0x22dc0c) at libavcodec/mpegvideo_enc.c:1429
 #2  0x004f945d in avcodec_encode_video2 (avctx=0x386f8e0, avpkt=0x22db40,
     frame=0x22d9d8, got_packet_ptr=0x22dc0c) at libavcodec/utils.c:1219
 #3  0x00405de0 in do_video_out (s=0x3863320, ost=0x386fcc0,
     in_picture=0x3873120, ist=<optimized out>) at ffmpeg.c:1619
 #4  0x00407d6c in transcode_video (pkt_pts=<optimized out>,
     got_output=<optimized out>, pkt=<optimized out>, ist=<optimized out>)
     at ffmpeg.c:2178
 #5  output_packet (ist=0x3871f40, ost_table=0x386fcc0, nb_ostreams=1,
     pkt=0x22fb28) at ffmpeg.c:2270
 #6  0x0040bf3b in transcode (output_files=0x3871940, nb_output_files=1,
     input_files=0x38712e0, nb_input_files=1) at ffmpeg.c:3082
 #7  0x0022ff48 in ?? ()
 Backtrace stopped: Not enough registers or memory available to unwind
 further
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1063>
FFmpeg <http://ffmpeg.org>
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