[FFmpeg-trac] #2835(avformat:open): FFMPEG created WTV files stop working with Microsoft Update KB2670838

[FFmpeg]

#2835: FFMPEG created WTV files stop working with Microsoft Update KB2670838
-------------------------------------+------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  wtv          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:   => wtv
 * status:  new => open
 * version:  unspecified => git-master
 * component:  undetermined => avformat
 * reproduced:  0 => 1


Comment:

 Audio works fine, looks like a duplicate of ticket #2252.
 {{{
 $ ffmpeg -f lavfi -i testsrc -t 60 out.wtv
 ffmpeg version N-55249-ga7bb12a Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Aug  6 2013 08:47:17 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 40.100 / 52. 40.100
   libavcodec     55. 20.100 / 55. 20.100
   libavformat    55. 13.102 / 55. 13.102
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 82.100 /  3. 82.100
   libswscale      2.  4.100 /  2.  4.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, lavfi, from 'testsrc':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 Output #0, wtv, to 'out.wtv':
   Metadata:
     encoder         : Lavf55.13.102
     Stream #0:0: Video: mpeg2video (mpg2 / 0x3267706D), yuv420p, 320x240
 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 10000k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo -> mpeg2video)
 Press [q] to stop, [?] for help
 frame= 1500 fps=1220 q=9.9 Lsize=    1964kB time=00:00:59.96 bitrate=
 268.3kbits/s
 video:1750kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 12.243855%
 }}}

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2835#comment:2>
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