[FFmpeg-trac] #5931(avfilter:reopened): showwavespic, showspectrumpic innacurate length of resulting image

FFmpeg trac at avcodec.org
Sat Jun 30 04:47:07 EEST 2018


#5931: showwavespic, showspectrumpic innacurate length of resulting image
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             Reporter:  jonata        |                    Owner:
                 Type:  defect        |                   Status:  reopened
             Priority:  minor         |                Component:  avfilter
              Version:  git-master    |               Resolution:
             Keywords:  showwavespic  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by keymapper):

 I've just attached some more explicit examples, including ffmpeg log
 files, in the hopes that this helps:

 jimi20_2560x1440.png - Attempt to render a 2560x1440 png of a 2.42 second
 stereo wav file (loud drum sample with no silence). The resulting png
 contains a 2540px wide waveform plus 20px of erroneous empty pixels.

 45sec_sine_stereo_test_6000x500.png - Attempt to render a 6000x500 png of
 a 45 second stereo flac file (simple sine tone, no silence). The resulting
 png contains a 5995px wide waveform plus 5px of erroneous empty pixels.

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Ticket URL: <https://trac.ffmpeg.org/ticket/5931#comment:6>
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