[FFmpeg-devel] [PATCH] add signature filter for MPEG7 video signature

[Gerion Entrup]

On Sonntag, 20. März 2016 12:57:33 CET Michael Niedermayer wrote:
> On Sun, Mar 20, 2016 at 12:00:13PM +0100, Gerion Entrup wrote:
> [...]
> 
> > +++ b/libavfilter/signature.h
> > @@ -0,0 +1,569 @@
> > +/*
> > + * Copyright (c) 2016 Gerion Entrup
> > + *
> > + * This file is part of FFmpeg.
> > + *
> > + * FFmpeg is free software; you can redistribute it and/or modify
> > + * it under the terms of the GNU General Public License as published by
> > + * the Free Software Foundation; either version 2 of the License, or
> > + * (at your option) any later version.
> > + *
> > + * FFmpeg is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + *
> > + * You should have received a copy of the GNU General Public License
> > along
> > + * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
> > + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> > + */
> > +
> > +/**
> > + * @file
> > + * MPEG-7 video signature calculation and lookup filter
> > + */
> > +
> > +#include <float.h>
> > +#include "libavutil/opt.h"
> > +#include "libavutil/timestamp.h"
> > +#include "avfilter.h"
> > +#include "internal.h"
> > +#include <stdbool.h>
> > +
> > +#define ELEMENT_COUNT 10
> > +#define SIGELEM_SIZE 380
> > +#define DIFFELEM_SIZE 348 /* SIGELEM_SIZE - elem_a1 - elem_a2 */
> > +#define COURSE_SIZE 90
> > +
> > +typedef struct {
> > +    int x;
> > +    int y;
> > +} Point;
> > +
> > +typedef struct {
> > +    Point up;
> > +    Point to;
> > +} Block;
> 
> missing standard duplicate inclusion guards
> 
> [...]
Fixed. Also put { in a seperate line for functions.
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