[FFmpeg-trac] #9447(avfilter:closed): avfilter/vf_v360 interprets commands as relative rotation offsets

FFmpeg trac at avcodec.org
Sat Oct 16 17:30:57 EEST 2021

#9447: avfilter/vf_v360 interprets commands as relative rotation offsets
             Reporter:  Saul Baker  |                    Owner:  (none)
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:  invalid
             Keywords:  v360        |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
Comment (by Saul Baker):

 Replying to [comment:13 Elon Musk]:
 > Also working on v360_opencl implementation for decent GPUs thus it will
 be much faster than CPU implementation.
 Wonderful, the later optimizations you put into the CPU version have been
 a blazing transformation - I used to set the resolution way down low for
 using this interactively but the new release that's not even needed -
 can't wait to see how this runs accelerated!

 > I added reset_rot option, it basically allows to rotate absolutely if
 you set it after each rotation, have not checked how it will work with
 your sendcmd usage.
 Thank you '''so''' much for your energies on this! To my eye perhaps
 inside process_command:

 {{{L:4965     s->reset_rot = 0;}}}

 is always assigned before it encounters

 {{{L:4971     if (s->reset_rot)}}}

 So it never reaches the insides of that if block? Hunting down a build
Ticket URL: <https://trac.ffmpeg.org/ticket/9447#comment:14>
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