[FFmpeg-trac] #2025(avformat:open): FFMPEG unable to create WTV files > 2GB

[FFmpeg]

#2025: FFMPEG unable to create WTV files > 2GB
-------------------------------------+------------------------------------
             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):

 * version:  unspecified => git-master
 * reproduced:  0 => 1


Comment:

 {{{
 $ ffmpeg -f lavfi -i testsrc=s=1920x1080 -fs 2150M -qscale 2 out2.wtv
 ffmpeg version N-47781-g4391262 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Dec 13 2012 00:29:04 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 12.100 / 52. 12.100
   libavcodec     54. 79.102 / 54. 79.102
   libavformat    54. 49.101 / 54. 49.101
   libavdevice    54.  3.102 / 54.  3.102
   libavfilter     3. 27.101 /  3. 27.101
   libswscale      2.  1.103 /  2.  1.103
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 [lavfi @ 0x1bab2c0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, lavfi, from 'testsrc=s=1920x1080':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 1920x1080
 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, wtv, to 'out2.wtv':
   Metadata:
     encoder         : Lavf54.49.101
     Stream #0:0: Video: mpeg2video (mpg2 / 0x3267706D), yuv420p, 1920x1080
 [SAR 1:1 DAR 16:9], 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=220754 fps= 63 q=2.0 Lsize= 2102056kB time=02:27:10.12
 bitrate=1950.1kbits/s
 video:2072757kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 1.413528%
 }}}
 {{{
 $ ffmpeg -i out2.wtv
 ffmpeg version N-47781-g4391262 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Dec 13 2012 00:29:04 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 12.100 / 52. 12.100
   libavcodec     54. 79.102 / 54. 79.102
   libavformat    54. 49.101 / 54. 49.101
   libavdevice    54.  3.102 / 54.  3.102
   libavfilter     3. 27.101 /  3. 27.101
   libswscale      2.  1.103 /  2.  1.103
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 [wtv @ 0x2da3280] unknown guid 00000000000000000000000000000000, expected
 dir_entry_guid; remaining directory entries ignored
 [wtv @ 0x2da3280] timeline data missing
 out2.wtv: Invalid data found when processing input
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2025#comment:2>
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