[FFmpeg-trac] #4332(avfilter:new): Expression 'max' no longer works with t option in drawbox

[FFmpeg]

#4332: Expression 'max' no longer works with t option in drawbox
-------------------------------------+-------------------------------------
               Reporter:  llogan     |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avfilter
                Version:  git-       |               Keywords:  drawbox
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Using example from drawbox docs:

 {{{
 ffplay -f lavfi -i testsrc -vf
 "drawbox=x=10:y=10:w=100:h=100:color=pink at 0.5:t=max"
 ffplay version N-70237-g5634ca6 Copyright (c) 2003-2015 the FFmpeg
 developers
   built with gcc 4.9.2 (GCC) 20141224 (prerelease)
   configuration: --disable-doc
   libavutil      54. 19.100 / 54. 19.100
   libavcodec     56. 26.100 / 56. 26.100
   libavformat    56. 23.105 / 56. 23.105
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 11.101 /  5. 11.101
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
 Input #0, lavfi, from 'testsrc':   0KB vq=    0KB sq=    0B f=0/0
   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
 [Parsed_drawbox_0 @ 0x7fb688003780] [Eval @ 0x7fb68dffa780] Undefined
 constant or missing '(' in 'max'
     Last message repeated 5 times
 [Parsed_drawbox_0 @ 0x7fb688003780] Error when evaluating the expression
 'max'.
 [Parsed_drawbox_0 @ 0x7fb688003780] Failed to configure input pad on
 Parsed_drawbox_0
 }}}

 The same command seems to work until
 84f571e37f074724393b152843cd94e4f9a10100.

 Spotted by user "!FredFloete".

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Ticket URL: <https://trac.ffmpeg.org/ticket/4332>
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