Hi Vittorio,

On Mon, Oct 17, 2016 at 5:28 PM, Vittorio Giovara <
vittorio.giov...@gmail.com> wrote:

> On Mon, Sep 19, 2016 at 8:36 AM, Ronald S. Bultje <rsbul...@gmail.com>
> wrote:
> > Hi,
> >
> > On Fri, Sep 16, 2016 at 9:27 AM, Clément Bœsch <u...@pkh.me> wrote:
> >>
> >> On Fri, Sep 16, 2016 at 03:20:49PM +0200, Vittorio Giovara wrote:
> >> > This is the assumption that is made in pixel format conversion do
> >> > throughout the code (in particular swscale), and BT-specifications
> >> > mandate.
> >> >
> >> > Add a warning to inform the user that an automatic selection is being
> >> > made.
> >> >
> >> > Signed-off-by: Vittorio Giovara <vittorio.giov...@gmail.com>
> >> > ---
> >> >  libavfilter/vf_colorspace.c | 9 ++++++---
> >> >  1 file changed, 6 insertions(+), 3 deletions(-)
> >> >
> >> > diff --git a/libavfilter/vf_colorspace.c b/libavfilter/vf_colorspace.c
> >> > index e69be50..41d1692 100644
> >> > --- a/libavfilter/vf_colorspace.c
> >> > +++ b/libavfilter/vf_colorspace.c
> >> > @@ -518,10 +518,13 @@ static int convert(AVFilterContext *ctx, void
> >> > *data, int job_nr, int n_jobs)
> >> >      return 0;
> >> >  }
> >> >
> >> > -static int get_range_off(int *off, int *y_rng, int *uv_rng,
> >> > +static int get_range_off(AVFilterContext *ctx, int *off,
> >> > +                         int *y_rng, int *uv_rng,
> >> >                           enum AVColorRange rng, int depth)
> >> >  {
> >> >      switch (rng) {
> >> > +    case AVCOL_RANGE_UNSPECIFIED:
> >> > +        av_log(ctx, AV_LOG_WARNING, "Input range not set, assuming
> >> > tv/mpeg\n");
>
> Hey Ronald,
> this message ends up spamming quite a bit, since it prints a warning
> for every frame, which is a tad excessive.
>
> As mentioned in this thread, I doubt this line could be beneficial to
> the user, and needlessly filling the logs might be just worse since it
> makes it harder to notice warnings in the first place. I don't think
> it warrants a if_already_warned clause, would it be possible to just
> drop it?


If we just print it once and then disable further spamming the console from
then onwards, is that OK?

Ronald
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