[FFmpeg-trac] #7101(avfilter:new): Overlay wrongly enabled before specified time

[FFmpeg]

#7101: Overlay wrongly enabled before specified time
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             Reporter:  slhck       |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  overlay     |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by slhck):

 When I handle audio in a separate filter graph, the issue persists:

 {{{
 ffmpeg \
 -y \
 -f lavfi -i
 testsrc=duration=60:size=320x240:rate=60,format=pix_fmts=yuv420p \
 -i spinners/click_and_count.m4a \
 -filter_complex " \
     [0:v] \
         loop=loop=240:size=1:start=0, setpts=N/FRAME_RATE/TB, \
         loop=loop=30:size=1:start=840, setpts=N/FRAME_RATE/TB, \
         loop=loop=84:size=1:start=1140, setpts=N/FRAME_RATE/TB, \
         loop=loop=48:size=1:start=1548, setpts=N/FRAME_RATE/TB \
     [stallvid]; \
         movie=filename=spinners/spinner-64-white.png:loop=0,
 setpts=N/(FRAME_RATE*TB)*2 \
     [spinner]; \
     [stallvid][spinner] \
         overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2:shortest=1:\
 enable='between(t,0,4.0)+between(t,14.0,14.5)+between(t,19.0,20.4)+between(t,25.8,26.6)'
 \
     [outv]
 " \
 -filter_complex " \
     [1:a] \
         aloop=loop=192000:size=1:start=0, asetpts=N/SAMPLE_RATE/TB, \
         aloop=loop=24000:size=1:start=672000, asetpts=N/SAMPLE_RATE/TB, \
         aloop=loop=67200:size=1:start=912000, asetpts=N/SAMPLE_RATE/TB, \
         aloop=loop=38400:size=1:start=1238399, asetpts=N/SAMPLE_RATE/TB, \
 volume=0:enable='between(t,0,4.0)+between(t,14.0,14.5)+between(t,19.0,20.4)+between(t,25.8,26.6)'
 \
     [outa] \
 " \
 -shortest -map "[outv]" -map "[outa]" output.mp4
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7101#comment:4>
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