FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavfilter/vf_cas.c	Lines:	0	126	0.0 %
Date:	2021-01-20 23:14:43	Branches:	0	36	0.0 %


/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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
 */

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

typedef struct CASContext {
    const AVClass *class;

    float strength;
    int planes;
    int nb_planes;

    int depth;
    int planeheight[4];
    int planewidth[4];

    AVFrame *in;

    int (*do_slice)(AVFilterContext *s, void *arg,
                    int jobnr, int nb_jobs);
} CASContext;

static inline float lerpf(float v0, float v1, float f)
{
    return v0 + (v1 - v0) * f;
}

static int cas_slice8(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
{
    CASContext *s = avctx->priv;
    const float strength = -lerpf(16.f, 4.01f, s->strength);
    AVFrame *out = arg;
    AVFrame *in = s->in;

    for (int p = 0; p < s->nb_planes; p++) {
        const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs;
        const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
        const int linesize = out->linesize[p];
        const int in_linesize = in->linesize[p];
        const int w = s->planewidth[p];
        const int w1 = w - 1;
        const int h = s->planeheight[p];
        const int h1 = h - 1;
        uint8_t *dst = out->data[p] + slice_start * linesize;
        const uint8_t *src = in->data[p];

        if (!((1 << p) & s->planes)) {
            av_image_copy_plane(dst, linesize, src + slice_start * linesize, in_linesize,
                                w, slice_end - slice_start);
            continue;
        }

        for (int y = slice_start; y < slice_end; y++) {
            const int y0 = FFMAX(y - 1, 0);
            const int y1 = FFMIN(y + 1, h1);
            for (int x = 0; x < w; x++) {
                const int x0 = FFMAX(x - 1, 0);
                const int x1 = FFMIN(x + 1, w1);
                int a = src[y0 * in_linesize + x0];
                int b = src[y0 * in_linesize + x];
                int c = src[y0 * in_linesize + x1];
                int d = src[y * in_linesize + x0];
                int e = src[y * in_linesize + x];
                int f = src[y * in_linesize + x1];
                int g = src[y1 * in_linesize + x0];
                int h = src[y1 * in_linesize + x];
                int i = src[y1 * in_linesize + x1];
                int mn, mn2, mx, mx2;
                float amp, weight;

                mn  = FFMIN3(FFMIN3( d, e, f), b, h);
                mn2 = FFMIN3(FFMIN3(mn, a, c), g, i);

                mn = mn + mn2;

                mx  = FFMAX3(FFMAX3( d, e, f), b, h);
                mx2 = FFMAX3(FFMAX3(mx, a, c), g, i);

                mx = mx + mx2;

                amp = sqrtf(av_clipf(FFMIN(mn, 511 - mx) / (float)mx, 0.f, 1.f));

                weight = amp / strength;

                dst[x] = av_clip_uint8(((b + d + f + h) * weight + e) / (1.f + 4.f * weight));
            }
            dst += linesize;
        }
    }

    return 0;
}

static int cas_slice16(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs)
{
    CASContext *s = avctx->priv;
    const float strength = -lerpf(16.f, 4.01f, s->strength);
    const int max = 2 * (1 << s->depth) - 1;
    AVFrame *out = arg;
    AVFrame *in = s->in;

    for (int p = 0; p < s->nb_planes; p++) {
        const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs;
        const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
        const int linesize = out->linesize[p] / 2;
        const int in_linesize = in->linesize[p] / 2;
        const int w = s->planewidth[p];
        const int w1 = w - 1;
        const int h = s->planeheight[p];
        const int h1 = h - 1;
        uint16_t *dst = (uint16_t *)out->data[p] + slice_start * linesize;
        const uint16_t *src = (const uint16_t *)in->data[p];

        if (!((1 << p) & s->planes)) {
            av_image_copy_plane((uint8_t *)dst, linesize, (uint8_t *)(src + slice_start * linesize),
                                in_linesize, w * 2, slice_end - slice_start);
            continue;
        }

        for (int y = slice_start; y < slice_end; y++) {
            const int y0 = FFMAX(y - 1, 0);
            const int y1 = FFMIN(y + 1, h1);
            for (int x = 0; x < w; x++) {
                const int x0 = FFMAX(x - 1, 0);
                const int x1 = FFMIN(x + 1, w1);
                int a = src[y0 * in_linesize + x0];
                int b = src[y0 * in_linesize + x];
                int c = src[y0 * in_linesize + x1];
                int d = src[y * in_linesize + x0];
                int e = src[y * in_linesize + x];
                int f = src[y * in_linesize + x1];
                int g = src[y1 * in_linesize + x0];
                int h = src[y1 * in_linesize + x];
                int i = src[y1 * in_linesize + x1];
                int mn, mn2, mx, mx2;
                float amp, weight;

                mn  = FFMIN3(FFMIN3( d, e, f), b, h);
                mn2 = FFMIN3(FFMIN3(mn, a, c), g, i);

                mn = mn + mn2;

                mx  = FFMAX3(FFMAX3( d, e, f), b, h);
                mx2 = FFMAX3(FFMAX3(mx, a, c), g, i);

                mx = mx + mx2;

                amp = sqrtf(av_clipf(FFMIN(mn, max - mx) / (float)mx, 0.f, 1.f));

                weight = amp / strength;

                dst[x] = av_clip_uintp2_c(((b + d + f + h) * weight + e) / (1.f + 4.f * weight), s->depth);
            }
            dst += linesize;
        }
    }

    return 0;
}

static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
    AVFilterContext *ctx = inlink->dst;
    AVFilterLink *outlink = ctx->outputs[0];
    CASContext *s = ctx->priv;
    AVFrame *out;

    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
    if (!out) {
        av_frame_free(&in);
        return AVERROR(ENOMEM);
    }
    av_frame_copy_props(out, in);

    s->in = in;
    ctx->internal->execute(ctx, s->do_slice, out, NULL,
                           FFMIN(in->height, ff_filter_get_nb_threads(ctx)));
    av_frame_free(&in);
    s->in = NULL;

    return ff_filter_frame(ctx->outputs[0], out);
}

static av_cold int query_formats(AVFilterContext *avctx)
{
    static const enum AVPixelFormat pixel_fmts[] = {
        AV_PIX_FMT_GRAY8,
        AV_PIX_FMT_GRAY9,  AV_PIX_FMT_GRAY10,
        AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
        AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
        AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
        AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
        AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
        AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
        AV_PIX_FMT_YUVJ411P,
        AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
        AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
        AV_PIX_FMT_YUV440P10,
        AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
        AV_PIX_FMT_YUV440P12,
        AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
        AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
        AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
        AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
        AV_PIX_FMT_YUVA420P,  AV_PIX_FMT_YUVA422P,   AV_PIX_FMT_YUVA444P,
        AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
        AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
        AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
        AV_PIX_FMT_GBRAP,     AV_PIX_FMT_GBRAP10,    AV_PIX_FMT_GBRAP12,    AV_PIX_FMT_GBRAP16,
        AV_PIX_FMT_NONE
    };

    AVFilterFormats *formats = NULL;

    formats = ff_make_format_list(pixel_fmts);
    if (!formats)
        return AVERROR(ENOMEM);

    return ff_set_common_formats(avctx, formats);
}

static av_cold int config_input(AVFilterLink *inlink)
{
    AVFilterContext *avctx = inlink->dst;
    CASContext *s = avctx->priv;
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);

    s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
    s->planeheight[0] = s->planeheight[3] = inlink->h;
    s->planewidth[1]  = s->planewidth[2]  = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
    s->planewidth[0]  = s->planewidth[3]  = inlink->w;

    s->depth = desc->comp[0].depth;
    s->nb_planes = desc->nb_components;
    s->do_slice = s->depth <= 8 ? cas_slice8 : cas_slice16;

    return 0;
}

static const AVFilterPad cas_inputs[] = {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_VIDEO,
        .filter_frame   = filter_frame,
        .config_props   = config_input,
    },
    { NULL }
};

static const AVFilterPad cas_outputs[] = {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
};

#define OFFSET(x) offsetof(CASContext, x)
#define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

static const AVOption cas_options[] = {
    { "strength", "set the sharpening strength", OFFSET(strength), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0,  1, VF },
    { "planes",  "set what planes to filter",    OFFSET(planes),   AV_OPT_TYPE_FLAGS, {.i64=7}, 0, 15, VF },
    { NULL }
};

AVFILTER_DEFINE_CLASS(cas);

AVFilter ff_vf_cas = {
    .name          = "cas",
    .description   = NULL_IF_CONFIG_SMALL("Contrast Adaptive Sharpen."),
    .priv_size     = sizeof(CASContext),
    .priv_class    = &cas_class,
    .query_formats = query_formats,
    .inputs        = cas_inputs,
    .outputs       = cas_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
};


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* This file is part of FFmpeg.
3			*
4			* FFmpeg is free software; you can redistribute it and/or
5			* modify it under the terms of the GNU Lesser General Public
6			* License as published by the Free Software Foundation; either
7			* version 2.1 of the License, or (at your option) any later version.
8			*
9			* FFmpeg is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12			* Lesser General Public License for more details.
13			*
14			* You should have received a copy of the GNU Lesser General Public
15			* License along with FFmpeg; if not, write to the Free Software
16			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17			*/
18
19			#include "libavutil/opt.h"
20			#include "libavutil/imgutils.h"
21			#include "avfilter.h"
22			#include "formats.h"
23			#include "internal.h"
24			#include "video.h"
25
26			typedef struct CASContext {
27			const AVClass *class;
28
29			float strength;
30			int planes;
31			int nb_planes;
32
33			int depth;
34			int planeheight[4];
35			int planewidth[4];
36
37			AVFrame *in;
38
39			int (do_slice)(AVFilterContext s, void *arg,
40			int jobnr, int nb_jobs);
41			} CASContext;
42
43			static inline float lerpf(float v0, float v1, float f)
44			{
45			return v0 + (v1 - v0) * f;
46			}
47
48			static int cas_slice8(AVFilterContext avctx, void arg, int jobnr, int nb_jobs)
49			{
50			CASContext *s = avctx->priv;
51			const float strength = -lerpf(16.f, 4.01f, s->strength);
52			AVFrame *out = arg;
53			AVFrame *in = s->in;
54
55			for (int p = 0; p < s->nb_planes; p++) {
56			const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs;
57			const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
58			const int linesize = out->linesize[p];
59			const int in_linesize = in->linesize[p];
60			const int w = s->planewidth[p];
61			const int w1 = w - 1;
62			const int h = s->planeheight[p];
63			const int h1 = h - 1;
64			uint8_t dst = out->data[p] + slice_start linesize;
65			const uint8_t *src = in->data[p];
66
67			if (!((1 << p) & s->planes)) {
68			av_image_copy_plane(dst, linesize, src + slice_start * linesize, in_linesize,
69			w, slice_end - slice_start);
70			continue;
71			}
72
73			for (int y = slice_start; y < slice_end; y++) {
74			const int y0 = FFMAX(y - 1, 0);
75			const int y1 = FFMIN(y + 1, h1);
76			for (int x = 0; x < w; x++) {
77			const int x0 = FFMAX(x - 1, 0);
78			const int x1 = FFMIN(x + 1, w1);
79			int a = src[y0 * in_linesize + x0];
80			int b = src[y0 * in_linesize + x];
81			int c = src[y0 * in_linesize + x1];
82			int d = src[y * in_linesize + x0];
83			int e = src[y * in_linesize + x];
84			int f = src[y * in_linesize + x1];
85			int g = src[y1 * in_linesize + x0];
86			int h = src[y1 * in_linesize + x];
87			int i = src[y1 * in_linesize + x1];
88			int mn, mn2, mx, mx2;
89			float amp, weight;
90
91			mn = FFMIN3(FFMIN3( d, e, f), b, h);
92			mn2 = FFMIN3(FFMIN3(mn, a, c), g, i);
93
94			mn = mn + mn2;
95
96			mx = FFMAX3(FFMAX3( d, e, f), b, h);
97			mx2 = FFMAX3(FFMAX3(mx, a, c), g, i);
98
99			mx = mx + mx2;
100
101			amp = sqrtf(av_clipf(FFMIN(mn, 511 - mx) / (float)mx, 0.f, 1.f));
102
103			weight = amp / strength;
104
105			dst[x] = av_clip_uint8(((b + d + f + h) * weight + e) / (1.f + 4.f * weight));
106			}
107			dst += linesize;
108			}
109			}
110
111			return 0;
112			}
113
114			static int cas_slice16(AVFilterContext avctx, void arg, int jobnr, int nb_jobs)
115			{
116			CASContext *s = avctx->priv;
117			const float strength = -lerpf(16.f, 4.01f, s->strength);
118			const int max = 2 * (1 << s->depth) - 1;
119			AVFrame *out = arg;
120			AVFrame *in = s->in;
121
122			for (int p = 0; p < s->nb_planes; p++) {
123			const int slice_start = (s->planeheight[p] * jobnr) / nb_jobs;
124			const int slice_end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
125			const int linesize = out->linesize[p] / 2;
126			const int in_linesize = in->linesize[p] / 2;
127			const int w = s->planewidth[p];
128			const int w1 = w - 1;
129			const int h = s->planeheight[p];
130			const int h1 = h - 1;
131			uint16_t dst = (uint16_t )out->data[p] + slice_start * linesize;
132			const uint16_t src = (const uint16_t )in->data[p];
133
134			if (!((1 << p) & s->planes)) {
135			av_image_copy_plane((uint8_t )dst, linesize, (uint8_t )(src + slice_start * linesize),
136			in_linesize, w * 2, slice_end - slice_start);
137			continue;
138			}
139
140			for (int y = slice_start; y < slice_end; y++) {
141			const int y0 = FFMAX(y - 1, 0);
142			const int y1 = FFMIN(y + 1, h1);
143			for (int x = 0; x < w; x++) {
144			const int x0 = FFMAX(x - 1, 0);
145			const int x1 = FFMIN(x + 1, w1);
146			int a = src[y0 * in_linesize + x0];
147			int b = src[y0 * in_linesize + x];
148			int c = src[y0 * in_linesize + x1];
149			int d = src[y * in_linesize + x0];
150			int e = src[y * in_linesize + x];
151			int f = src[y * in_linesize + x1];
152			int g = src[y1 * in_linesize + x0];
153			int h = src[y1 * in_linesize + x];
154			int i = src[y1 * in_linesize + x1];
155			int mn, mn2, mx, mx2;
156			float amp, weight;
157
158			mn = FFMIN3(FFMIN3( d, e, f), b, h);
159			mn2 = FFMIN3(FFMIN3(mn, a, c), g, i);
160
161			mn = mn + mn2;
162
163			mx = FFMAX3(FFMAX3( d, e, f), b, h);
164			mx2 = FFMAX3(FFMAX3(mx, a, c), g, i);
165
166			mx = mx + mx2;
167
168			amp = sqrtf(av_clipf(FFMIN(mn, max - mx) / (float)mx, 0.f, 1.f));
169
170			weight = amp / strength;
171
172			dst[x] = av_clip_uintp2_c(((b + d + f + h) * weight + e) / (1.f + 4.f * weight), s->depth);
173			}
174			dst += linesize;
175			}
176			}
177
178			return 0;
179			}
180
181			static int filter_frame(AVFilterLink inlink, AVFrame in)
182			{
183			AVFilterContext *ctx = inlink->dst;
184			AVFilterLink *outlink = ctx->outputs[0];
185			CASContext *s = ctx->priv;
186			AVFrame *out;
187
188			out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
189			if (!out) {
190			av_frame_free(&in);
191			return AVERROR(ENOMEM);
192			}
193			av_frame_copy_props(out, in);
194
195			s->in = in;
196			ctx->internal->execute(ctx, s->do_slice, out, NULL,
197			FFMIN(in->height, ff_filter_get_nb_threads(ctx)));
198			av_frame_free(&in);
199			s->in = NULL;
200
201			return ff_filter_frame(ctx->outputs[0], out);
202			}
203
204			static av_cold int query_formats(AVFilterContext *avctx)
205			{
206			static const enum AVPixelFormat pixel_fmts[] = {
207			AV_PIX_FMT_GRAY8,
208			AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10,
209			AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
210			AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
211			AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
212			AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
213			AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
214			AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
215			AV_PIX_FMT_YUVJ411P,
216			AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
217			AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
218			AV_PIX_FMT_YUV440P10,
219			AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
220			AV_PIX_FMT_YUV440P12,
221			AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
222			AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
223			AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
224			AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
225			AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
226			AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
227			AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
228			AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
229			AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
230			AV_PIX_FMT_NONE
231			};
232
233			AVFilterFormats *formats = NULL;
234
235			formats = ff_make_format_list(pixel_fmts);
236			if (!formats)
237			return AVERROR(ENOMEM);
238
239			return ff_set_common_formats(avctx, formats);
240			}
241
242			static av_cold int config_input(AVFilterLink *inlink)
243			{
244			AVFilterContext *avctx = inlink->dst;
245			CASContext *s = avctx->priv;
246			const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
247
248			s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
249			s->planeheight[0] = s->planeheight[3] = inlink->h;
250			s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
251			s->planewidth[0] = s->planewidth[3] = inlink->w;
252
253			s->depth = desc->comp[0].depth;
254			s->nb_planes = desc->nb_components;
255			s->do_slice = s->depth <= 8 ? cas_slice8 : cas_slice16;
256
257			return 0;
258			}
259
260			static const AVFilterPad cas_inputs[] = {
261			{
262			.name = "default",
263			.type = AVMEDIA_TYPE_VIDEO,
264			.filter_frame = filter_frame,
265			.config_props = config_input,
266			},
267			{ NULL }
268			};
269
270			static const AVFilterPad cas_outputs[] = {
271			{
272			.name = "default",
273			.type = AVMEDIA_TYPE_VIDEO,
274			},
275			{ NULL }
276			};
277
278			#define OFFSET(x) offsetof(CASContext, x)
279			#define VF AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM\|AV_OPT_FLAG_RUNTIME_PARAM
280
281			static const AVOption cas_options[] = {
282			{ "strength", "set the sharpening strength", OFFSET(strength), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, VF },
283			{ "planes", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=7}, 0, 15, VF },
284			{ NULL }
285			};
286
287			AVFILTER_DEFINE_CLASS(cas);
288
289			AVFilter ff_vf_cas = {
290			.name = "cas",
291			.description = NULL_IF_CONFIG_SMALL("Contrast Adaptive Sharpen."),
292			.priv_size = sizeof(CASContext),
293			.priv_class = &cas_class,
294			.query_formats = query_formats,
295			.inputs = cas_inputs,
296			.outputs = cas_outputs,
297			.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC \| AVFILTER_FLAG_SLICE_THREADS,
298			.process_command = ff_filter_process_command,
299			};