[FFmpeg-trac] #236(avformat:open): Floating point exception error with -dcodec copy on QuickTime timecode track

FFmpeg trac at avcodec.org
Sat Mar 31 19:04:27 CEST 2012


#236: Floating point exception error with -dcodec copy on QuickTime timecode
track
-------------------------------------+-------------------------------------
             Reporter:  dericed      |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  dcodec       |               Blocked By:
  crash fpe                          |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by dericed):

 True, no crash, but the resulting quicktime is invalid.

 {{{
 ffmpeg started on 2012-03-31 at 12:57:06
 Report written to "ffmpeg-20120331-125706.log"
 Command line:
 ffmpeg -report -i "1second DVpal.mov" -map 0 -c copy out.mov
 ffmpeg version N-35765-gf9143d2 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Mar 31 2012 12:44:33 with llvm_gcc 4.2.1 (Based on Apple Inc.
 build 5658) (LLVM build 2335.15.00)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/HEAD --enable-shared
 --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables
 --enable-libfreetype --cc=/usr/bin/llvm-gcc --enable-libx264 --enable-
 libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis
 --enable-libvpx --enable-libxvid --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-libass --disable-ffplay
   libavutil      51. 44.100 / 51. 44.100
   libavcodec     54. 12.100 / 54. 12.100
   libavformat    54.  3.100 / 54.  3.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 66.101 /  2. 66.101
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 10.100 /  0. 10.100
   libpostproc    52.  0.100 / 52.  0.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fb64404b400] Format mov,mp4,m4a,3gp,3g2,mj2
 probed with size=2048 and score=100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fb64404b400] ISO: File Type Major Brand: qt
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fb64404b400] All info found
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1second DVpal.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2008-10-01 12:43:43
   Duration: 00:00:01.00, start: 0.000000, bitrate: 30354 kb/s
     Stream #0:0(eng), 1, 1/25: Video: dvvideo (dvcp / 0x70637664),
 yuv420p, 720x576 [SAR 16:15 DAR 4:3], 28800 kb/s, SAR 59:54 DAR 295:216,
 25 fps, 25 tbr, 25 tbn, 25 tbc
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    : Apple Alias Data Handler
     Stream #0:1(eng), 46, 1/48000: Audio: pcm_s16le (sowt / 0x74776F73),
 48000 Hz, 2 channels, s16, 1536 kb/s
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    : Apple Alias Data Handler
     Stream #0:2(eng), 0, 1/25: Data: none (tmcd / 0x64636D74)
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    : Apple Alias Data Handler
       timecode        : 01:00:00:00
 Output #0, mov, to 'out.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2008-10-01 12:43:43
     encoder         : Lavf54.3.100
     Stream #0:0(eng), 0, 1/25: Video: dvvideo (dvcp / 0x70637664),
 yuv420p, 720x576 [SAR 59:54 DAR 295:216], q=2-31, 28800 kb/s, 25 fps, 25
 tbn, 25 tbc
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    : Apple Alias Data Handler
     Stream #0:1(eng), 0, 1/48000: Audio: pcm_s16le (sowt / 0x74776F73),
 48000 Hz, 2 channels, 1536 kb/s
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    : Apple Alias Data Handler
     Stream #0:2(eng), 0, 1/1000: Data: none (tmcd / 0x64636D74)
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    : Apple Alias Data Handler
       timecode        : 01:00:00:00
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
   Stream #0:2 -> #0:2 (copy)
 Press [q] to stop, [?] for help
 frame=   25 fps=0.0 q=-1.0 Lsize=    3705kB time=00:00:00.00 bitrate=
 0.0kbits/s
 video:3516kB audio:188kB global headers:0kB muxing overhead 0.052690%

 }}}

 This output looks like:

 {{{
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     creation_time   : 2008-10-01 12:43:43
     encoder         : Lavf
   Duration: 00:00:01.00, start: 0.000000, bitrate: 30351 kb/s
     Stream #0:0(eng): Video: dvvideo (dvcp / 0x70637664), yuv420p, 720x576
 [SAR 16:15 DAR 4:3], 28800 kb/s, SAR 59:54 DAR 295:216, 25 fps, 25 tbr, 25
 tbn, 25 tbc
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    :
                         DataHandler
     Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, 2
 channels, s16, 1536 kb/s
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    :
                         DataHandler
     Stream #0:2(eng): Data: none (stts / 0x73747473)
     Metadata:
       creation_time   : 2008-10-01 12:43:43
       handler_name    :
                         DataHandler
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/236#comment:5>
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