[FFmpeg-trac] #1096(undetermined:new): cavs: crash

[FFmpeg]

#1096: cavs: crash
-------------------------------------+-------------------------------------
             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            |
-------------------------------------+-------------------------------------
 the input file may be broken, see ticket #1095

 {{{
 ffmpeg -i 320.png -vcodec libxavs out.mov
 }}}

 {{{
 (gdb) r -i out.mov -r 25 out2.mov
 Starting program: d:\mingw\msys\1.0\ffmpeg\ffmpeg_g.exe -i out.mov -r 25
 out2.mov
 [New Thread 3220.0xc98]
 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, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     encoder         : Lavf54.2.100
   Duration: 00:00:00.04, start: 0.000000, bitrate: 321 kb/s
     Stream #0:0(eng): Video: cavs (avs2 / 0x32737661), yuv420p, 320x240,
 167 kb/
 s, 50 fps, 25 tbn, 25 tbc
     Metadata:
       handler_name    : ♂DataHandler
 w:320 h:240 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
 Output #0, mov, to 'out2.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     encoder         : Lavf54.2.100
     Stream #0:0(eng): Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 320x240,
 q=2-31
 , 200 kb/s, 25 tbn, 25 tbc
     Metadata:
       handler_name    : ♂DataHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (cavs -> mpeg4)
 Press [q] to stop, [?] for help
 [cavs @ 03dd0920] weighted prediction not yet supported

 Program received signal SIGSEGV, Segmentation fault.
 0x00956cb5 in ff_cavs_init_mb (h=0x3e15a80) at libavcodec/cavs.c:542
 542             h->mv[MV_FWD_B2+i] = h->top_mv[0][h->mbx*2+i];
 (gdb) bt
 #0  0x00956cb5 in ff_cavs_init_mb (h=0x3e15a80) at libavcodec/cavs.c:542
 #1  0x0070c89f in decode_mb_i (h=0x3e15a80, cbp_code=0)
     at libavcodec/cavsdec.c:201
 #2  0x007102a5 in decode_pic (h=0x3e15a80) at libavcodec/cavsdec.c:558
 #3  cavs_decode_frame (avctx=0x3dd0920, data=0x3873e00,
 data_size=0x22de20,
     avpkt=0x22dbc8) at libavcodec/cavsdec.c:690
 #4  0x004f9770 in avcodec_decode_video2 (avctx=0x3dd0920,
 picture=0x3873e00,
     got_picture_ptr=0x22de20, avpkt=0x22dd30) at libavcodec/utils.c:1351
 #5  0x004069cb in transcode_video (pkt_pts=<optimized out>,
     got_output=<optimized out>, pkt=<optimized out>, ist=<optimized out>)
     at ffmpeg.c:2102
 #6  output_packet (ist=0x3871da0, ost_table=0x3863820, nb_ostreams=1,
     pkt=0x22fb28) at ffmpeg.c:2270
 #7  0x0040bf3b in transcode (output_files=0x38716c0, nb_output_files=1,
     input_files=0x3871e60, nb_input_files=1) at ffmpeg.c:3082
 #8  0x0022ff48 in ?? ()
 Backtrace stopped: Not enough registers or memory available to unwind
 further
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1096>
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