[FFmpeg-devel] [PATCH 1/3] avfilter/vf_framerate: highbit depth support

Paul B Mahol onemda at gmail.com
Fri Sep 11 20:03:27 CEST 2015


Dana 11. 9. 2015. 17:52 osoba "James Almer" <jamrial at gmail.com> napisala je:
>
> On 9/11/2015 12:24 PM, Paul B Mahol wrote:
> > Signed-off-by: Paul B Mahol <onemda at gmail.com>
> > ---
> >  libavfilter/vf_framerate.c | 281
++++++++++++++++++++++++++++++++++-----------
> >  1 file changed, 212 insertions(+), 69 deletions(-)
> >
> > diff --git a/libavfilter/vf_framerate.c b/libavfilter/vf_framerate.c
> > index 5c9da19..4d8ee16 100644
> > --- a/libavfilter/vf_framerate.c
> > +++ b/libavfilter/vf_framerate.c
> > @@ -72,6 +72,12 @@ typedef struct FrameRateContext {
> >      AVFrame *srce[N_SRCE];              ///< buffered source frames
> >      int64_t srce_pts_dest[N_SRCE];      ///< pts for source frames
scaled to output timebase
> >      int64_t pts;                        ///< pts of frame we are
working on
> > +
> > +    int (*blend_frames)(AVFilterContext *ctx, float interpolate,
> > +                        AVFrame *copy_src1, AVFrame *copy_src2);
> > +    int max;
> > +    int bitdepth;
> > +    AVFrame *work;
> >  } FrameRateContext;
> >
> >  #define OFFSET(x) offsetof(FrameRateContext, x)
> > @@ -114,6 +120,59 @@ static void next_source(AVFilterContext *ctx)
> >      s->srce[s->frst] = NULL;
> >  }
> >
> > +static av_always_inline int64_t sad_8x8_16(const uint16_t *src1,
ptrdiff_t stride1,
> > +                                           const uint16_t *src2,
ptrdiff_t stride2)
> > +{
> > +    int sum = 0;
> > +    int x, y;
> > +
> > +    for (y = 0; y < 8; y++) {
> > +        for (x = 0; x < 8; x++)
> > +            sum += FFABS(src1[x] - src2[x]);
> > +        src1 += stride1;
> > +        src2 += stride2;
> > +    }
> > +    return sum;
> > +}
>
> Use libavutil/pixelutils instead. It was made specifically for cases like
this.

It have 16 bit version?

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