[FFmpeg-devel] [PATCH 2/2] avcodec/tiff: Multi-page support

Nick Renieris velocityra at gmail.com
Thu Mar 28 18:03:55 EET 2019


Ok, here's a multipage tif with 3 pages, the two first are blue and
the last one red:
https://0x0.st/zKdB.tif

Στις Πέμ, 28 Μαρ 2019 στις 4:35 μ.μ., ο/η Paul B Mahol
<onemda at gmail.com> έγραψε:
>
> On 3/28/19, Nick Renieris <velocityra at gmail.com> wrote:
> > When I made the patch I did ask you on IRC whether I should upload
> > something and got no answer.
> >
>
> Please upload it, somewhere like https://0x0.st/
>
> > Στις Πέμ, 28 Μαρ 2019 στις 2:58 μ.μ., ο/η Nick Renieris
> > <velocityra at gmail.com> έγραψε:
> >>
> >> I haven't, is there a specific place that it's preferred I upload it to?
> >>
> >> Στις Πέμ, 28 Μαρ 2019 στις 1:12 μ.μ., ο/η Paul B Mahol
> >> <onemda at gmail.com> έγραψε:
> >> >
> >> > On 3/28/19, Nick Renieris <velocityra at gmail.com> wrote:
> >> > > Any news on this? Is there something I should do?
> >> >
> >> > Have you uploaded small tiff so this patch can be tested?
> >> >
> >> > >
> >> > > Στις Σάβ, 23 Μαρ 2019 στις 2:54 μ.μ., ο/η Carl Eugen Hoyos
> >> > > <ceffmpeg at gmail.com> έγραψε:
> >> > >>
> >> > >> 2019-03-23 13:34 GMT+01:00, Paul B Mahol <onemda at gmail.com>:
> >> > >> > On 3/23/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >> > >> >> 2019-03-23 9:11 GMT+01:00, Paul B Mahol <onemda at gmail.com>:
> >> > >> >>> On 3/22/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> >> > >> >>>> 2019-03-22 15:50 GMT+01:00, velocityra at gmail.com
> >> > >> >>>> <velocityra at gmail.com>:
> >> > >> >>>>> From: Nick Renieris <velocityra at gmail.com>
> >> > >> >>>>>
> >> > >> >>>>> Option "-page N" (page index N starts from 1) can now
> >> > >> >>>>> be used to specify which TIFF page/subfile to decode.
> >> > >> >>>>
> >> > >> >>>> What is the current behaviour?
> >> > >> >>>> Shouldn't the decoder output all pages as for a video file?
> >> > >> >>>
> >> > >> >>> How?
> >> > >> >>
> >> > >> >> I would have suggested decoder flush.
> >> > >>
> >> > >> The word is probably "drain".
> >> > >>
> >> > >> > What? Can you elaborate what you think?
> >> > >>
> >> > >> Isn't there a return value that leads to subsequent calls of
> >> > >> AVCodec->decode()?
> >> > >>
> >> > >> Carl Eugen
> >> > >> _______________________________________________
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> >> > >> ffmpeg-devel at ffmpeg.org
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> >> > >>
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