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avfilter/vf_chromanr: add also euclidean distance for calculations

Paul B Mahol committed 5 years ago

Commit 075157e1 parent 7f6d2092 files · +53 −23Browse files

Showing the changes to libavfilter (1 of 2 files). Show all

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libavfilter/vf_chromanr.c+37−19
@@ -35,6 +35,7 @@ typedef struct ChromaNRContext { · 34 unmodified lines
35 float threshold_y;35 float threshold_y;
36 float threshold_u;36 float threshold_u;
37 float threshold_v;37 float threshold_v;
38 int distance;
38 int thres;39 int thres;
39 int thres_y;40 int thres_y;
40 int thres_u;41 int thres_u;
@@ -79,8 +80,11 @@ static int query_formats(AVFilterContext *ctx) · 38 unmodified lines
79 return ff_set_common_formats(ctx, fmts_list);80 return ff_set_common_formats(ctx, fmts_list);
80}81}
81 82
82#define FILTER_FUNC(name, type) \83#define SQR(x) ((x)*(x))
83static int filter_slice##name(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \84
85#define FILTER_FUNC(distance, name, ctype, type, fun) \
86static int distance ## _slice##name(AVFilterContext *ctx, void *arg, \
87 int jobnr, int nb_jobs) \
84{ \88{ \
85 ChromaNRContext *s = ctx->priv; \89 ChromaNRContext *s = ctx->priv; \
86 AVFrame *in = arg; \90 AVFrame *in = arg; \
@@ -146,13 +150,13 @@ static int filter_slice##name(AVFilterContext *ctx, void *arg, int jobnr, int nb · 59 unmodified lines
146 const type *in_vptr = (const type *)(in->data[2] + yy * in_vlinesize); \150 const type *in_vptr = (const type *)(in->data[2] + yy * in_vlinesize); \
147 \151 \
148 for (int xx = FFMAX(0, x - sizew); xx < FFMIN(x + sizew, w); xx += stepw) { \152 for (int xx = FFMAX(0, x - sizew); xx < FFMIN(x + sizew, w); xx += stepw) { \
149 const int Y = in_yptr[xx * chroma_w]; \153 const ctype Y = in_yptr[xx * chroma_w]; \
150 const int U = in_uptr[xx]; \154 const ctype U = in_uptr[xx]; \
151 const int V = in_vptr[xx]; \155 const ctype V = in_vptr[xx]; \
152 \156 \
153 if (FFABS(cu - U) + FFABS(cv - V) + FFABS(cy - Y) < thres && \157 if (fun(cu - U) + fun(cv - V) + fun(cy - Y) < thres && \
154 FFABS(cu - U) < thres_u && FFABS(cv - V) < thres_v && \158 fun(cu - U) < thres_u && fun(cv - V) < thres_v && \
155 FFABS(cy - Y) < thres_y && \159 fun(cy - Y) < thres_y && \
156 xx != x && yy != y) { \160 xx != x && yy != y) { \
157 su += U; \161 su += U; \
158 sv += V; \162 sv += V; \
@@ -172,8 +176,11 @@ static int filter_slice##name(AVFilterContext *ctx, void *arg, int jobnr, int nb · 13 unmodified lines
172 return 0; \176 return 0; \
173}177}
174 178
175FILTER_FUNC(8, uint8_t)179FILTER_FUNC(manhattan, 8, int, uint8_t, FFABS)
176FILTER_FUNC(16, uint16_t)180FILTER_FUNC(manhattan, 16, int, uint16_t, FFABS)
181
182FILTER_FUNC(euclidean, 8, int, uint8_t, SQR)
183FILTER_FUNC(euclidean, 16, int64_t, uint16_t, SQR)
177 184
178static int filter_frame(AVFilterLink *inlink, AVFrame *in)185static int filter_frame(AVFilterLink *inlink, AVFrame *in)
179{186{
@@ -182,6 +189,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) · 2 unmodified lines
182 ChromaNRContext *s = ctx->priv;189 ChromaNRContext *s = ctx->priv;
183 AVFrame *out;190 AVFrame *out;
184 191
192 switch (s->distance) {
193 case 0:
194 s->filter_slice = s->depth <= 8 ? manhattan_slice8 : manhattan_slice16;
195 break;
196 case 1:
197 s->filter_slice = s->depth <= 8 ? euclidean_slice8 : euclidean_slice16;
198 break;
199 }
200
185 s->thres = s->threshold * (1 << (s->depth - 8));201 s->thres = s->threshold * (1 << (s->depth - 8));
186 s->thres_y = s->threshold_y * (1 << (s->depth - 8));202 s->thres_y = s->threshold_y * (1 << (s->depth - 8));
187 s->thres_u = s->threshold_u * (1 << (s->depth - 8));203 s->thres_u = s->threshold_u * (1 << (s->depth - 8));
@@ -213,7 +229,6 @@ static int config_input(AVFilterLink *inlink) · 25 unmodified lines
213 229
214 s->nb_planes = desc->nb_components;230 s->nb_planes = desc->nb_components;
215 s->depth = desc->comp[0].depth;231 s->depth = desc->comp[0].depth;
216 s->filter_slice = s->depth <= 8 ? filter_slice8 : filter_slice16;
217 s->chroma_w = 1 << desc->log2_chroma_w;232 s->chroma_w = 1 << desc->log2_chroma_w;
218 s->chroma_h = 1 << desc->log2_chroma_h;233 s->chroma_h = 1 << desc->log2_chroma_h;
219 s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);234 s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
@@ -231,14 +246,17 @@ static int config_input(AVFilterLink *inlink) · 11 unmodified lines
231#define VF AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM246#define VF AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
232 247
233static const AVOption chromanr_options[] = {248static const AVOption chromanr_options[] = {
234 { "thres", "set y+u+v threshold", OFFSET(threshold), AV_OPT_TYPE_FLOAT, {.dbl=30}, 1, 200, VF },249 { "thres", "set y+u+v threshold", OFFSET(threshold), AV_OPT_TYPE_FLOAT, {.dbl=30}, 1, 5000, VF },
235 { "sizew", "set horizontal size", OFFSET(sizew), AV_OPT_TYPE_INT, {.i64=5}, 1, 100, VF },250 { "sizew", "set horizontal size", OFFSET(sizew), AV_OPT_TYPE_INT, {.i64=5}, 1, 100, VF },
236 { "sizeh", "set vertical size", OFFSET(sizeh), AV_OPT_TYPE_INT, {.i64=5}, 1, 100, VF },251 { "sizeh", "set vertical size", OFFSET(sizeh), AV_OPT_TYPE_INT, {.i64=5}, 1, 100, VF },
237 { "stepw", "set horizontal step", OFFSET(stepw), AV_OPT_TYPE_INT, {.i64=1}, 1, 50, VF },252 { "stepw", "set horizontal step", OFFSET(stepw), AV_OPT_TYPE_INT, {.i64=1}, 1, 50, VF },
238 { "steph", "set vertical step", OFFSET(steph), AV_OPT_TYPE_INT, {.i64=1}, 1, 50, VF },253 { "steph", "set vertical step", OFFSET(steph), AV_OPT_TYPE_INT, {.i64=1}, 1, 50, VF },
239 { "threy", "set y threshold", OFFSET(threshold_y), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },254 { "threy", "set y threshold", OFFSET(threshold_y), AV_OPT_TYPE_FLOAT, {.dbl=5000},1, 5000, VF },
240 { "threu", "set u threshold", OFFSET(threshold_u), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },255 { "threu", "set u threshold", OFFSET(threshold_u), AV_OPT_TYPE_FLOAT, {.dbl=5000},1, 5000, VF },
241 { "threv", "set v threshold", OFFSET(threshold_v), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },256 { "threv", "set v threshold", OFFSET(threshold_v), AV_OPT_TYPE_FLOAT, {.dbl=5000},1, 5000, VF },
257 { "distance", "set distance type", OFFSET(distance), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "distance" },
258 { "manhattan", "", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VF, "distance" },
259 { "euclidean", "", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VF, "distance" },
242 { NULL }260 { NULL }
243};261};
244 262

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