On Thu, Jul 18, 2019 at 02:44:46PM +0000, Eoff, Ullysses A wrote: > > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf Of > > Michael Niedermayer > > On Mon, Jul 15, 2019 at 06:38:35PM +0800, Linjie Fu wrote: > > > + { "autoscale", HAS_ARG | OPT_BOOL | OPT_SPEC | > > > + OPT_EXPERT | OPT_INPUT, > > > { .off = OFFSET(autoscale) }, > > > + "automatically insert correct scale filters" }, > > > > I think this description is inadequate to understand what the option does. > > Scale filters are inserted at various places (for example within a filter > > graph). This option here affects a specific case. > > > > Would this be sufficient? > > "automatically insert a scale filter to scale the output of all frames to > match the resolution of the initial frame"
this sounds better, yes > > If not, any other suggestions? maybe it could say how this relates to the filter graph/chain. the user doenst know from this if this occurs before or after the filter graph. Also what happens when a encoder/muxer does not support this ? Thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Dictatorship naturally arises out of democracy, and the most aggravated form of tyranny and slavery out of the most extreme liberty. -- Plato
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