On Fri, Jul 01, 2011 at 08:45:22PM -0700, Ronald S. Bultje wrote:
> Hi,
> 
> On Mon, Jun 27, 2011 at 5:17 PM, Ronald S. Bultje <[email protected]> wrote:
> > Hi,
> >
> > On Sun, Jun 26, 2011 at 10:20 PM, Kostya <[email protected]> wrote:
> >> On Sun, Jun 26, 2011 at 03:52:01PM -0700, Ronald S. Bultje wrote:
> >>> This functionality is only implemented for RGB24/32 and causes crashes
> >>> otherwise.
> >>> ---
> >>>  libswscale/utils.c |   13 +++++++++++++
> >>>  1 files changed, 13 insertions(+), 0 deletions(-)
> >>>
> >>> diff --git a/libswscale/utils.c b/libswscale/utils.c
> >>> index 6971418..ab28588 100644
> >>> --- a/libswscale/utils.c
> >>> +++ b/libswscale/utils.c
> >>> @@ -845,6 +845,19 @@ int sws_init_context(SwsContext *c, SwsFilter 
> >>> *srcFilter, SwsFilter *dstFilter)
> >>>      getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, 
> >>> dstFormat);
> >>>
> >>>      // reuse chroma for 2 pixels RGB/BGR unless user wants full chroma 
> >>> interpolation
> >>> +    if (flags & SWS_FULL_CHR_H_INT &&
> >>> +        dstFormat != PIX_FMT_RGBA &&
> >>> +        dstFormat != PIX_FMT_ARGB &&
> >>> +        dstFormat != PIX_FMT_BGRA &&
> >>> +        dstFormat != PIX_FMT_ABGR &&
> >>> +        dstFormat != PIX_FMT_RGB24 &&
> >>> +        dstFormat != PIX_FMT_BGR24) {
> >>> +        av_log(c, AV_LOG_ERROR,
> >>> +               "full chroma interpolation for destination format '%s' 
> >>> not yet implemented\n",
> >>> +               sws_format_name(dstFormat));
> >>> +        flags &= ~SWS_FULL_CHR_H_INT;
> >>> +        c->flags = flags;
> >>> +    }
> >>>      if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) 
> >>> c->chrDstHSubSample=1;
> >>>
> >>>      // drop some chroma lines if the user wants it
> >>> --
> >>
> >> Why not use condition like below? I'd like my RGB565 output with full 
> >> chroma
> >> too and mentioning all dst formats in wall of conditions is ugly IMO.
> >
> > Scaling functions use c->flags to decide whether to use a full or half
> > function. I.e., the value needs to match the function chosen, else
> > everything goes wrong...
> >
> > And yes this is a design problem, I'll see what I can do about that,
> > but at least it's better to not just plain crash. :-).
> 
> Ping.

Why do you need to ping yourself?
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to