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avfilter/vf_bilateral: add slice threading support
This commit is contained in:
Paul B Mahol
@@ -36,6 +36,7 @@ typedef struct BilateralContext {
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float sigmaR;
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int planes;
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int nb_threads;
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int nb_planes;
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int depth;
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int planewidth[4];
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@@ -44,14 +45,14 @@ typedef struct BilateralContext {
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float alpha;
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float range_table[65536];
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float *img_out_f;
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float *img_temp;
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float *map_factor_a;
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float *map_factor_b;
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float *slice_factor_a;
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float *slice_factor_b;
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float *line_factor_a;
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float *line_factor_b;
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float *img_out_f[4];
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float *img_temp[4];
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float *map_factor_a[4];
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float *map_factor_b[4];
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float *slice_factor_a[4];
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float *slice_factor_b[4];
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float *line_factor_a[4];
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float *line_factor_b[4];
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} BilateralContext;
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#define OFFSET(x) offsetof(BilateralContext, x)
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@@ -102,6 +103,10 @@ static int config_params(AVFilterContext *ctx)
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return 0;
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}
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typedef struct ThreadData {
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AVFrame *in, *out;
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} ThreadData;
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static int config_input(AVFilterLink *inlink)
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{
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AVFilterContext *ctx = inlink->dst;
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@@ -109,7 +114,6 @@ static int config_input(AVFilterLink *inlink)
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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s->depth = desc->comp[0].depth;
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config_params(ctx);
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s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
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@@ -118,133 +122,169 @@ static int config_input(AVFilterLink *inlink)
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s->planeheight[0] = s->planeheight[3] = inlink->h;
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s->nb_planes = av_pix_fmt_count_planes(inlink->format);
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s->nb_threads = ff_filter_get_nb_threads(ctx);
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s->img_out_f = av_calloc(inlink->w * inlink->h, sizeof(float));
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s->img_temp = av_calloc(inlink->w * inlink->h, sizeof(float));
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s->map_factor_a = av_calloc(inlink->w * inlink->h, sizeof(float));
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s->map_factor_b = av_calloc(inlink->w * inlink->h, sizeof(float));
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s->slice_factor_a = av_calloc(inlink->w, sizeof(float));
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s->slice_factor_b = av_calloc(inlink->w, sizeof(float));
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s->line_factor_a = av_calloc(inlink->w, sizeof(float));
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s->line_factor_b = av_calloc(inlink->w, sizeof(float));
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for (int p = 0; p < s->nb_planes; p++) {
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const int w = s->planewidth[p];
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const int h = s->planeheight[p];
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if (!s->img_out_f ||
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!s->img_temp ||
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!s->map_factor_a ||
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!s->map_factor_b ||
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!s->slice_factor_a ||
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!s->slice_factor_a ||
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!s->line_factor_a ||
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!s->line_factor_a)
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return AVERROR(ENOMEM);
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s->img_out_f[p] = av_calloc(w * h, sizeof(float));
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s->img_temp[p] = av_calloc(w * h, sizeof(float));
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s->map_factor_a[p] = av_calloc(w * h, sizeof(float));
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s->map_factor_b[p] = av_calloc(w * h, sizeof(float));
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s->slice_factor_a[p] = av_calloc(w, sizeof(float));
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s->slice_factor_b[p] = av_calloc(w, sizeof(float));
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s->line_factor_a[p] = av_calloc(w, sizeof(float));
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s->line_factor_b[p] = av_calloc(w, sizeof(float));
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if (!s->img_out_f[p] ||
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!s->img_temp[p] ||
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!s->map_factor_a[p] ||
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!s->map_factor_b[p] ||
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!s->slice_factor_a[p] ||
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!s->slice_factor_a[p] ||
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!s->line_factor_a[p] ||
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!s->line_factor_a[p])
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return AVERROR(ENOMEM);
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}
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return 0;
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}
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#define BILATERAL(type, name) \
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static void bilateral_##name(BilateralContext *s, const uint8_t *ssrc, uint8_t *ddst, \
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int width, int height, int src_linesize, int dst_linesize) \
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{ \
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type *dst = (type *)ddst; \
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const type *src = (const type *)ssrc; \
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float *img_out_f = s->img_out_f, *img_temp = s->img_temp; \
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float *map_factor_a = s->map_factor_a, *map_factor_b = s->map_factor_b; \
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float *slice_factor_a = s->slice_factor_a, *slice_factor_b = s->slice_factor_b; \
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float *line_factor_a = s->line_factor_a, *line_factor_b = s->line_factor_b; \
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const float *range_table = s->range_table; \
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const float alpha = s->alpha; \
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float ypr, ycr, *ycy, *ypy, *xcy, fp, fc; \
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const float inv_alpha_ = 1.f - alpha; \
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float *ycf, *ypf, *xcf, *in_factor; \
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const type *tcy, *tpy; \
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int h1; \
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\
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for (int y = 0; y < height; y++) { \
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float *temp_factor_x, *temp_x = &img_temp[y * width]; \
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const type *in_x = &src[y * src_linesize]; \
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const type *texture_x = &src[y * src_linesize]; \
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type tpr; \
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\
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*temp_x++ = ypr = *in_x++; \
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tpr = *texture_x++; \
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\
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temp_factor_x = &map_factor_a[y * width]; \
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*temp_factor_x++ = fp = 1; \
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\
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for (int x = 1; x < width; x++) { \
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float alpha_; \
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int range_dist; \
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type tcr = *texture_x++; \
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type dr = abs(tcr - tpr); \
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\
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range_dist = dr; \
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alpha_ = range_table[range_dist]; \
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*temp_x++ = ycr = inv_alpha_*(*in_x++) + alpha_*ypr; \
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tpr = tcr; \
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ypr = ycr; \
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*temp_factor_x++ = fc = inv_alpha_ + alpha_ * fp; \
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fp = fc; \
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} \
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--temp_x; *temp_x = ((*temp_x) + (*--in_x)); \
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tpr = *--texture_x; \
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ypr = *in_x; \
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\
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--temp_factor_x; *temp_factor_x = ((*temp_factor_x) + 1); \
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fp = 1; \
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\
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for (int x = width - 2; x >= 0; x--) { \
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type tcr = *--texture_x; \
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type dr = abs(tcr - tpr); \
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int range_dist = dr; \
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float alpha_ = range_table[range_dist]; \
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\
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ycr = inv_alpha_ * (*--in_x) + alpha_ * ypr; \
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--temp_x; *temp_x = ((*temp_x) + ycr); \
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tpr = tcr; \
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ypr = ycr; \
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\
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fc = inv_alpha_ + alpha_*fp; \
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--temp_factor_x; \
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*temp_factor_x = ((*temp_factor_x) + fc); \
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fp = fc; \
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} \
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} \
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memcpy(img_out_f, img_temp, sizeof(float) * width); \
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\
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in_factor = map_factor_a; \
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memcpy(map_factor_b, in_factor, sizeof(float) * width); \
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for (int y = 1; y < height; y++) { \
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tpy = &src[(y - 1) * src_linesize]; \
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tcy = &src[y * src_linesize]; \
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xcy = &img_temp[y * width]; \
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ypy = &img_out_f[(y - 1) * width]; \
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ycy = &img_out_f[y * width]; \
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\
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xcf = &in_factor[y * width]; \
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ypf = &map_factor_b[(y - 1) * width]; \
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ycf = &map_factor_b[y * width]; \
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for (int x = 0; x < width; x++) { \
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type dr = abs((*tcy++) - (*tpy++)); \
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int range_dist = dr; \
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float alpha_ = range_table[range_dist]; \
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\
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*ycy++ = inv_alpha_*(*xcy++) + alpha_*(*ypy++); \
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*ycf++ = inv_alpha_*(*xcf++) + alpha_*(*ypf++); \
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} \
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} \
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h1 = height - 1; \
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ycf = line_factor_a; \
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ypf = line_factor_b; \
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memcpy(ypf, &in_factor[h1 * width], sizeof(float) * width); \
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for (int x = 0; x < width; x++) \
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map_factor_b[h1 * width + x] = (map_factor_b[h1 * width + x] + ypf[x]); \
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\
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ycy = slice_factor_a; \
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ypy = slice_factor_b; \
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memcpy(ypy, &img_temp[h1 * width], sizeof(float) * width); \
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for (int x = 0, k = 0; x < width; x++) { \
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int idx = h1 * width + x; \
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img_out_f[idx] = (img_out_f[idx] + ypy[k++]) / map_factor_b[h1 * width + x]; \
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#define BILATERAL_H(type, name) \
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static void bilateralh_##name(BilateralContext *s, AVFrame *out, AVFrame *in, \
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int jobnr, int nb_jobs, int plane) \
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{ \
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const int width = s->planewidth[plane]; \
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const int height = s->planeheight[plane]; \
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const int slice_start = (height * jobnr) / nb_jobs; \
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const int slice_end = (height * (jobnr+1)) / nb_jobs; \
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const int src_linesize = in->linesize[plane] / sizeof(type); \
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const type *src = (const type *)in->data[plane]; \
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float *img_temp = s->img_temp[plane]; \
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float *map_factor_a = s->map_factor_a[plane]; \
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const float *const range_table = s->range_table; \
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const float alpha = s->alpha; \
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float ypr, ycr, fp, fc; \
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const float inv_alpha_ = 1.f - alpha; \
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\
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for (int y = slice_start; y < slice_end; y++) { \
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float *temp_factor_x, *temp_x = &img_temp[y * width]; \
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const type *in_x = &src[y * src_linesize]; \
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const type *texture_x = &src[y * src_linesize]; \
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type tpr; \
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\
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*temp_x++ = ypr = *in_x++; \
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tpr = *texture_x++; \
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\
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temp_factor_x = &map_factor_a[y * width]; \
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*temp_factor_x++ = fp = 1; \
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\
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for (int x = 1; x < width; x++) { \
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float alpha_; \
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int range_dist; \
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type tcr = *texture_x++; \
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type dr = abs(tcr - tpr); \
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\
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range_dist = dr; \
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alpha_ = range_table[range_dist]; \
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*temp_x++ = ycr = inv_alpha_*(*in_x++) + alpha_*ypr; \
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tpr = tcr; \
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ypr = ycr; \
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*temp_factor_x++ = fc = inv_alpha_ + alpha_ * fp; \
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fp = fc; \
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} \
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--temp_x; *temp_x = ((*temp_x) + (*--in_x)); \
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tpr = *--texture_x; \
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ypr = *in_x; \
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\
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--temp_factor_x; *temp_factor_x = ((*temp_factor_x) + 1); \
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fp = 1; \
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\
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for (int x = width - 2; x >= 0; x--) { \
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type tcr = *--texture_x; \
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type dr = abs(tcr - tpr); \
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int range_dist = dr; \
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float alpha_ = range_table[range_dist]; \
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\
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ycr = inv_alpha_ * (*--in_x) + alpha_ * ypr; \
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--temp_x; *temp_x = ((*temp_x) + ycr); \
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tpr = tcr; \
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ypr = ycr; \
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\
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fc = inv_alpha_ + alpha_*fp; \
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--temp_factor_x; \
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*temp_factor_x = ((*temp_factor_x) + fc); \
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fp = fc; \
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} \
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} \
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}
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BILATERAL_H(uint8_t, byte)
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BILATERAL_H(uint16_t, word)
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#define BILATERAL_V(type, name) \
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static void bilateralv_##name(BilateralContext *s, AVFrame *out, AVFrame *in, \
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int jobnr, int nb_jobs, int plane) \
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{ \
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const int width = s->planewidth[plane]; \
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const int height = s->planeheight[plane]; \
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const int slice_start = (width * jobnr) / nb_jobs; \
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const int slice_end = (width * (jobnr+1)) / nb_jobs; \
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const int src_linesize = in->linesize[plane] / sizeof(type); \
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const type *src = (const type *)in->data[plane] + slice_start; \
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float *img_out_f = s->img_out_f[plane] + slice_start; \
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float *img_temp = s->img_temp[plane] + slice_start; \
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float *map_factor_a = s->map_factor_a[plane] + slice_start; \
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float *map_factor_b = s->map_factor_b[plane] + slice_start; \
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float *slice_factor_a = s->slice_factor_a[plane] + slice_start; \
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float *slice_factor_b = s->slice_factor_b[plane] + slice_start; \
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float *line_factor_a = s->line_factor_a[plane] + slice_start; \
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float *line_factor_b = s->line_factor_b[plane] + slice_start; \
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const float *const range_table = s->range_table; \
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const float alpha = s->alpha; \
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float *ycy, *ypy, *xcy; \
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const float inv_alpha_ = 1.f - alpha; \
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float *ycf, *ypf, *xcf, *in_factor; \
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const type *tcy, *tpy; \
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int h1; \
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\
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memcpy(img_out_f, img_temp, sizeof(float) * (slice_end - slice_start)); \
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\
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in_factor = map_factor_a; \
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memcpy(map_factor_b, in_factor, sizeof(float) * (slice_end - slice_start)); \
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for (int y = 1; y < height; y++) { \
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tpy = &src[(y - 1) * src_linesize]; \
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tcy = &src[y * src_linesize]; \
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xcy = &img_temp[y * width]; \
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ypy = &img_out_f[(y - 1) * width]; \
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ycy = &img_out_f[y * width]; \
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\
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xcf = &in_factor[y * width]; \
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ypf = &map_factor_b[(y - 1) * width]; \
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ycf = &map_factor_b[y * width]; \
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for (int x = 0; x < slice_end - slice_start; x++) { \
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type dr = abs((*tcy++) - (*tpy++)); \
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int range_dist = dr; \
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float alpha_ = range_table[range_dist]; \
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\
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*ycy++ = inv_alpha_*(*xcy++) + alpha_*(*ypy++); \
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*ycf++ = inv_alpha_*(*xcf++) + alpha_*(*ypf++); \
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} \
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} \
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h1 = height - 1; \
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ycf = line_factor_a; \
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ypf = line_factor_b; \
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memcpy(ypf, &in_factor[h1 * width], sizeof(float) * (slice_end - slice_start)); \
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for (int x = 0, k = 0; x < slice_end - slice_start; x++) \
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map_factor_b[h1 * width + x] = (map_factor_b[h1 * width + x] + ypf[k++]); \
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\
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ycy = slice_factor_a; \
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ypy = slice_factor_b; \
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memcpy(ypy, &img_temp[h1 * width], sizeof(float) * (slice_end - slice_start)); \
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for (int x = 0, k = 0; x < slice_end - slice_start; x++) { \
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int idx = h1 * width + x; \
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img_out_f[idx] = (img_out_f[idx] + ypy[k++]) / map_factor_b[h1 * width + x]; \
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} \
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\
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for (int y = h1 - 1; y >= 0; y--) { \
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@@ -262,7 +302,7 @@ static void bilateral_##name(BilateralContext *s, const uint8_t *ssrc, uint8_t *
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ycf_ = ycf; \
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ypf_ = ypf; \
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factor_ = &map_factor_b[y * width]; \
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for (int x = 0; x < width; x++) { \
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for (int x = 0; x < slice_end - slice_start; x++) { \
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type dr = abs((*tcy++) - (*tpy++)); \
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int range_dist = dr; \
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float alpha_ = range_table[range_dist]; \
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@@ -281,20 +321,119 @@ static void bilateral_##name(BilateralContext *s, const uint8_t *ssrc, uint8_t *
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ypy = ycy; \
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ypf = ycf; \
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} \
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\
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for (int i = 0; i < height; i++) \
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for (int j = 0; j < width; j++) \
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dst[j + i * dst_linesize] = lrintf(img_out_f[i * width + j]); \
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}
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BILATERAL(uint8_t, byte)
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BILATERAL(uint16_t, word)
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BILATERAL_V(uint8_t, byte)
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BILATERAL_V(uint16_t, word)
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#define BILATERAL_O(type, name) \
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static void bilateralo_##name(BilateralContext *s, AVFrame *out, AVFrame *in, \
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int jobnr, int nb_jobs, int plane) \
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{ \
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const int width = s->planewidth[plane]; \
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const int height = s->planeheight[plane]; \
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const int slice_start = (height * jobnr) / nb_jobs; \
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const int slice_end = (height * (jobnr+1)) / nb_jobs; \
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const int dst_linesize = out->linesize[plane] / sizeof(type); \
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\
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for (int i = slice_start; i < slice_end; i++) { \
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type *dst = (type *)out->data[plane] + i * dst_linesize; \
|
||||
const float *const img_out_f = s->img_out_f[plane] + i * width; \
|
||||
for (int j = 0; j < width; j++) \
|
||||
dst[j] = lrintf(img_out_f[j]); \
|
||||
} \
|
||||
}
|
||||
|
||||
BILATERAL_O(uint8_t, byte)
|
||||
BILATERAL_O(uint16_t, word)
|
||||
|
||||
static int bilateralh_planes(AVFilterContext *ctx, void *arg,
|
||||
int jobnr, int nb_jobs)
|
||||
{
|
||||
BilateralContext *s = ctx->priv;
|
||||
ThreadData *td = arg;
|
||||
AVFrame *out = td->out;
|
||||
AVFrame *in = td->in;
|
||||
|
||||
for (int plane = 0; plane < s->nb_planes; plane++) {
|
||||
if (!(s->planes & (1 << plane)))
|
||||
continue;
|
||||
|
||||
if (s->depth <= 8)
|
||||
bilateralh_byte(s, out, in, jobnr, nb_jobs, plane);
|
||||
else
|
||||
bilateralh_word(s, out, in, jobnr, nb_jobs, plane);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bilateralv_planes(AVFilterContext *ctx, void *arg,
|
||||
int jobnr, int nb_jobs)
|
||||
{
|
||||
BilateralContext *s = ctx->priv;
|
||||
ThreadData *td = arg;
|
||||
AVFrame *out = td->out;
|
||||
AVFrame *in = td->in;
|
||||
|
||||
for (int plane = 0; plane < s->nb_planes; plane++) {
|
||||
if (!(s->planes & (1 << plane)))
|
||||
continue;
|
||||
|
||||
if (s->depth <= 8)
|
||||
bilateralv_byte(s, out, in, jobnr, nb_jobs, plane);
|
||||
else
|
||||
bilateralv_word(s, out, in, jobnr, nb_jobs, plane);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bilateralo_planes(AVFilterContext *ctx, void *arg,
|
||||
int jobnr, int nb_jobs)
|
||||
{
|
||||
BilateralContext *s = ctx->priv;
|
||||
ThreadData *td = arg;
|
||||
AVFrame *out = td->out;
|
||||
AVFrame *in = td->in;
|
||||
|
||||
for (int plane = 0; plane < s->nb_planes; plane++) {
|
||||
if (!(s->planes & (1 << plane))) {
|
||||
if (out != in) {
|
||||
const int height = s->planeheight[plane];
|
||||
const int slice_start = (height * jobnr) / nb_jobs;
|
||||
const int slice_end = (height * (jobnr+1)) / nb_jobs;
|
||||
const int width = s->planewidth[plane];
|
||||
const int linesize = in->linesize[plane];
|
||||
const int dst_linesize = out->linesize[plane];
|
||||
const uint8_t *src = in->data[plane];
|
||||
uint8_t *dst = out->data[plane];
|
||||
|
||||
av_image_copy_plane(dst + slice_start * dst_linesize,
|
||||
dst_linesize,
|
||||
src + slice_start * linesize,
|
||||
linesize,
|
||||
width * ((s->depth + 7) / 8),
|
||||
slice_end - slice_start);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
if (s->depth <= 8)
|
||||
bilateralo_byte(s, out, in, jobnr, nb_jobs, plane);
|
||||
else
|
||||
bilateralo_word(s, out, in, jobnr, nb_jobs, plane);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
||||
{
|
||||
AVFilterContext *ctx = inlink->dst;
|
||||
BilateralContext *s = ctx->priv;
|
||||
AVFilterLink *outlink = ctx->outputs[0];
|
||||
ThreadData td;
|
||||
AVFrame *out;
|
||||
|
||||
if (av_frame_is_writable(in)) {
|
||||
@@ -308,24 +447,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
||||
av_frame_copy_props(out, in);
|
||||
}
|
||||
|
||||
for (int plane = 0; plane < s->nb_planes; plane++) {
|
||||
if (!(s->planes & (1 << plane))) {
|
||||
if (out != in)
|
||||
av_image_copy_plane(out->data[plane], out->linesize[plane],
|
||||
in->data[plane], in->linesize[plane],
|
||||
s->planewidth[plane] * ((s->depth + 7) / 8), s->planeheight[plane]);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (s->depth <= 8)
|
||||
bilateral_byte(s, in->data[plane], out->data[plane],
|
||||
s->planewidth[plane], s->planeheight[plane],
|
||||
in->linesize[plane], out->linesize[plane]);
|
||||
else
|
||||
bilateral_word(s, in->data[plane], out->data[plane],
|
||||
s->planewidth[plane], s->planeheight[plane],
|
||||
in->linesize[plane] / 2, out->linesize[plane] / 2);
|
||||
}
|
||||
td.in = in;
|
||||
td.out = out;
|
||||
ff_filter_execute(ctx, bilateralh_planes, &td, NULL, s->nb_threads);
|
||||
ff_filter_execute(ctx, bilateralv_planes, &td, NULL, s->nb_threads);
|
||||
ff_filter_execute(ctx, bilateralo_planes, &td, NULL, s->nb_threads);
|
||||
|
||||
if (out != in)
|
||||
av_frame_free(&in);
|
||||
@@ -336,14 +462,16 @@ static av_cold void uninit(AVFilterContext *ctx)
|
||||
{
|
||||
BilateralContext *s = ctx->priv;
|
||||
|
||||
av_freep(&s->img_out_f);
|
||||
av_freep(&s->img_temp);
|
||||
av_freep(&s->map_factor_a);
|
||||
av_freep(&s->map_factor_b);
|
||||
av_freep(&s->slice_factor_a);
|
||||
av_freep(&s->slice_factor_b);
|
||||
av_freep(&s->line_factor_a);
|
||||
av_freep(&s->line_factor_b);
|
||||
for (int p = 0; p < s->nb_planes; p++) {
|
||||
av_freep(&s->img_out_f[p]);
|
||||
av_freep(&s->img_temp[p]);
|
||||
av_freep(&s->map_factor_a[p]);
|
||||
av_freep(&s->map_factor_b[p]);
|
||||
av_freep(&s->slice_factor_a[p]);
|
||||
av_freep(&s->slice_factor_b[p]);
|
||||
av_freep(&s->line_factor_a[p]);
|
||||
av_freep(&s->line_factor_b[p]);
|
||||
}
|
||||
}
|
||||
|
||||
static int process_command(AVFilterContext *ctx,
|
||||
@@ -386,6 +514,7 @@ const AVFilter ff_vf_bilateral = {
|
||||
FILTER_INPUTS(bilateral_inputs),
|
||||
FILTER_OUTPUTS(bilateral_outputs),
|
||||
FILTER_PIXFMTS_ARRAY(pix_fmts),
|
||||
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
|
||||
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC |
|
||||
AVFILTER_FLAG_SLICE_THREADS,
|
||||
.process_command = process_command,
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user