[FFmpeg-trac] #7719(undetermined:closed): Extracting transparent PNGs from vp9a fails (vp8a works)

FFmpeg trac at avcodec.org
Sat Feb 9 05:16:59 EET 2019


#7719: Extracting transparent PNGs from vp9a fails (vp8a works)
-------------------------------------+-------------------------------------
             Reporter:  rroller      |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  invalid
             Keywords:  vp9 alpha    |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by rroller):

 Can you expand on that?
 That single line makes the difference between working and not working.

 Without the line I get:
 {{{
 D.V.L. vp9                  Google VP9
 }}}

 With:
 {{{
 DEV.L. vp9                  Google VP9 (decoders: vp9 libvpx-vp9 )
 (encoders: libvpx-vp9 )
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7719#comment:9>
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