X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvf_signalstats.c;h=22a1db196f0e3ab7a5ea016f186c7a47686487f2;hb=220e77391552a61d515a1d8c2b17afd876958613;hp=c340d6b48de77f0b87385b1471eab1f243695006;hpb=61da882cea4579658e8d01e24b8cb71c98df2b94;p=ffmpeg diff --git a/libavfilter/vf_signalstats.c b/libavfilter/vf_signalstats.c index c340d6b48de..22a1db196f0 100644 --- a/libavfilter/vf_signalstats.c +++ b/libavfilter/vf_signalstats.c @@ -20,6 +20,7 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include "libavutil/intreadwrite.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "internal.h" @@ -38,6 +39,7 @@ typedef struct { int chromaw; // width of chroma plane int hsub; // horizontal subsampling int vsub; // vertical subsampling + int depth; // pixel depth int fs; // pixel count per frame int cfs; // pixel count per frame of chroma planes int outfilter; // FilterMode @@ -48,6 +50,8 @@ typedef struct { int nb_jobs; int *jobs_rets; + int *histy, *histu, *histv, *histsat; + AVFrame *frame_sat; AVFrame *frame_hue; } SignalstatsContext; @@ -105,6 +109,10 @@ static av_cold void uninit(AVFilterContext *ctx) av_frame_free(&s->frame_sat); av_frame_free(&s->frame_hue); av_freep(&s->jobs_rets); + av_freep(&s->histy); + av_freep(&s->histu); + av_freep(&s->histv); + av_freep(&s->histsat); } static int query_formats(AVFilterContext *ctx) @@ -115,6 +123,13 @@ static int query_formats(AVFilterContext *ctx) AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ440P, + AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV420P9, + AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV420P10, + 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_YUV444P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV420P16, AV_PIX_FMT_NONE }; @@ -150,6 +165,16 @@ static int config_props(AVFilterLink *outlink) const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format); s->hsub = desc->log2_chroma_w; s->vsub = desc->log2_chroma_h; + s->depth = desc->comp[0].depth; + if (s->depth > 8) { + s->histy = av_malloc_array(1 << s->depth, sizeof(*s->histy)); + s->histu = av_malloc_array(1 << s->depth, sizeof(*s->histu)); + s->histv = av_malloc_array(1 << s->depth, sizeof(*s->histv)); + s->histsat = av_malloc_array(1 << s->depth, sizeof(*s->histsat)); + + if (!s->histy || !s->histu || !s->histv || !s->histsat) + return AVERROR(ENOMEM); + } outlink->w = inlink->w; outlink->h = inlink->h; @@ -160,12 +185,12 @@ static int config_props(AVFilterLink *outlink) s->fs = inlink->w * inlink->h; s->cfs = s->chromaw * s->chromah; - s->nb_jobs = FFMAX(1, FFMIN(inlink->h, ctx->graph->nb_threads)); + s->nb_jobs = FFMAX(1, FFMIN(inlink->h, ff_filter_get_nb_threads(ctx))); s->jobs_rets = av_malloc_array(s->nb_jobs, sizeof(*s->jobs_rets)); if (!s->jobs_rets) return AVERROR(ENOMEM); - s->frame_sat = alloc_frame(AV_PIX_FMT_GRAY8, inlink->w, inlink->h); + s->frame_sat = alloc_frame(s->depth > 8 ? AV_PIX_FMT_GRAY16 : AV_PIX_FMT_GRAY8, inlink->w, inlink->h); s->frame_hue = alloc_frame(AV_PIX_FMT_GRAY16, inlink->w, inlink->h); if (!s->frame_sat || !s->frame_hue) return AVERROR(ENOMEM); @@ -173,7 +198,7 @@ static int config_props(AVFilterLink *outlink) return 0; } -static void burn_frame(const SignalstatsContext *s, AVFrame *f, int x, int y) +static void burn_frame8(const SignalstatsContext *s, AVFrame *f, int x, int y) { const int chromax = x >> s->hsub; const int chromay = y >> s->vsub; @@ -182,7 +207,17 @@ static void burn_frame(const SignalstatsContext *s, AVFrame *f, int x, int y) f->data[2][chromay * f->linesize[2] + chromax] = s->yuv_color[2]; } -static int filter_brng(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +static void burn_frame16(const SignalstatsContext *s, AVFrame *f, int x, int y) +{ + const int chromax = x >> s->hsub; + const int chromay = y >> s->vsub; + const int mult = 1 << (s->depth - 8); + AV_WN16(f->data[0] + y * f->linesize[0] + x * 2, s->yuv_color[0] * mult); + AV_WN16(f->data[1] + chromay * f->linesize[1] + chromax * 2, s->yuv_color[1] * mult); + AV_WN16(f->data[2] + chromay * f->linesize[2] + chromax * 2, s->yuv_color[2] * mult); +} + +static int filter8_brng(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { ThreadData *td = arg; const SignalstatsContext *s = ctx->priv; @@ -210,7 +245,42 @@ static int filter_brng(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) chromav < 16 || chromav > 240; score += filt; if (out && filt) - burn_frame(s, out, x, y); + burn_frame8(s, out, x, y); + } + } + return score; +} + +static int filter16_brng(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +{ + ThreadData *td = arg; + const SignalstatsContext *s = ctx->priv; + const AVFrame *in = td->in; + AVFrame *out = td->out; + const int mult = 1 << (s->depth - 8); + const int w = in->width; + const int h = in->height; + const int slice_start = (h * jobnr ) / nb_jobs; + const int slice_end = (h * (jobnr+1)) / nb_jobs; + int x, y, score = 0; + + for (y = slice_start; y < slice_end; y++) { + const int yc = y >> s->vsub; + const uint16_t *pluma = (uint16_t *)&in->data[0][y * in->linesize[0]]; + const uint16_t *pchromau = (uint16_t *)&in->data[1][yc * in->linesize[1]]; + const uint16_t *pchromav = (uint16_t *)&in->data[2][yc * in->linesize[2]]; + + for (x = 0; x < w; x++) { + const int xc = x >> s->hsub; + const int luma = pluma[x]; + const int chromau = pchromau[xc]; + const int chromav = pchromav[xc]; + const int filt = luma < 16 * mult || luma > 235 * mult || + chromau < 16 * mult || chromau > 240 * mult || + chromav < 16 * mult || chromav > 240 * mult; + score += filt; + if (out && filt) + burn_frame16(s, out, x, y); } } return score; @@ -221,7 +291,7 @@ static int filter_tout_outlier(uint8_t x, uint8_t y, uint8_t z) return ((abs(x - y) + abs (z - y)) / 2) - abs(z - x) > 4; // make 4 configurable? } -static int filter_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +static int filter8_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { ThreadData *td = arg; const SignalstatsContext *s = ctx->priv; @@ -255,14 +325,55 @@ static int filter_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) filt = FILTER3(2) && FILTER3(1); score += filt; if (filt && out) - burn_frame(s, out, x, y); + burn_frame8(s, out, x, y); } } else { for (x = 1; x < w - 1; x++) { filt = FILTER3(1); score += filt; if (filt && out) - burn_frame(s, out, x, y); + burn_frame8(s, out, x, y); + } + } + } + return score; +} + +static int filter16_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +{ + ThreadData *td = arg; + const SignalstatsContext *s = ctx->priv; + const AVFrame *in = td->in; + AVFrame *out = td->out; + const int w = in->width; + const int h = in->height; + const int slice_start = (h * jobnr ) / nb_jobs; + const int slice_end = (h * (jobnr+1)) / nb_jobs; + const uint16_t *p = (uint16_t *)in->data[0]; + int lw = in->linesize[0] / 2; + int x, y, score = 0, filt; + + for (y = slice_start; y < slice_end; y++) { + + if (y - 1 < 0 || y + 1 >= h) + continue; + + // detect two pixels above and below (to eliminate interlace artefacts) + // should check that video format is infact interlaced. + + if (y - 2 >= 0 && y + 2 < h) { + for (x = 1; x < w - 1; x++) { + filt = FILTER3(2) && FILTER3(1); + score += filt; + if (filt && out) + burn_frame16(s, out, x, y); + } + } else { + for (x = 1; x < w - 1; x++) { + filt = FILTER3(1); + score += filt; + if (filt && out) + burn_frame16(s, out, x, y); } } } @@ -271,7 +382,7 @@ static int filter_tout(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) #define VREP_START 4 -static int filter_vrep(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +static int filter8_vrep(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { ThreadData *td = arg; const SignalstatsContext *s = ctx->priv; @@ -300,24 +411,60 @@ static int filter_vrep(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) score += filt; if (filt && out) for (x = 0; x < w; x++) - burn_frame(s, out, x, y); + burn_frame8(s, out, x, y); + } + return score * w; +} + +static int filter16_vrep(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +{ + ThreadData *td = arg; + const SignalstatsContext *s = ctx->priv; + const AVFrame *in = td->in; + AVFrame *out = td->out; + const int w = in->width; + const int h = in->height; + const int slice_start = (h * jobnr ) / nb_jobs; + const int slice_end = (h * (jobnr+1)) / nb_jobs; + const uint16_t *p = (uint16_t *)in->data[0]; + const int lw = in->linesize[0] / 2; + int x, y, score = 0; + + for (y = slice_start; y < slice_end; y++) { + const int y2lw = (y - VREP_START) * lw; + const int ylw = y * lw; + int64_t totdiff = 0; + int filt; + + if (y < VREP_START) + continue; + + for (x = 0; x < w; x++) + totdiff += abs(p[y2lw + x] - p[ylw + x]); + filt = totdiff < w; + + score += filt; + if (filt && out) + for (x = 0; x < w; x++) + burn_frame16(s, out, x, y); } return score * w; } static const struct { const char *name; - int (*process)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); + int (*process8)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); + int (*process16)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); } filters_def[] = { - {"TOUT", filter_tout}, - {"VREP", filter_vrep}, - {"BRNG", filter_brng}, + {"TOUT", filter8_tout, filter16_tout}, + {"VREP", filter8_vrep, filter16_vrep}, + {"BRNG", filter8_brng, filter16_brng}, {NULL} }; #define DEPTH 256 -static int compute_sat_hue_metrics(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +static int compute_sat_hue_metrics8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { int i, j; ThreadDataHueSatMetrics *td = arg; @@ -355,7 +502,51 @@ static int compute_sat_hue_metrics(AVFilterContext *ctx, void *arg, int jobnr, i return 0; } -static int filter_frame(AVFilterLink *link, AVFrame *in) +static int compute_sat_hue_metrics16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +{ + int i, j; + ThreadDataHueSatMetrics *td = arg; + const SignalstatsContext *s = ctx->priv; + const AVFrame *src = td->src; + AVFrame *dst_sat = td->dst_sat; + AVFrame *dst_hue = td->dst_hue; + const int mid = 1 << (s->depth - 1); + + const int slice_start = (s->chromah * jobnr ) / nb_jobs; + const int slice_end = (s->chromah * (jobnr+1)) / nb_jobs; + + const int lsz_u = src->linesize[1] / 2; + const int lsz_v = src->linesize[2] / 2; + const uint16_t *p_u = (uint16_t*)src->data[1] + slice_start * lsz_u; + const uint16_t *p_v = (uint16_t*)src->data[2] + slice_start * lsz_v; + + const int lsz_sat = dst_sat->linesize[0] / 2; + const int lsz_hue = dst_hue->linesize[0] / 2; + uint16_t *p_sat = (uint16_t*)dst_sat->data[0] + slice_start * lsz_sat; + uint16_t *p_hue = (uint16_t*)dst_hue->data[0] + slice_start * lsz_hue; + + for (j = slice_start; j < slice_end; j++) { + for (i = 0; i < s->chromaw; i++) { + const int yuvu = p_u[i]; + const int yuvv = p_v[i]; + p_sat[i] = hypot(yuvu - mid, yuvv - mid); // int or round? + ((int16_t*)p_hue)[i] = floor((180 / M_PI) * atan2f(yuvu-mid, yuvv-mid) + 180); + } + p_u += lsz_u; + p_v += lsz_v; + p_sat += lsz_sat; + p_hue += lsz_hue; + } + + return 0; +} + +static unsigned compute_bit_depth(uint16_t mask) +{ + return av_popcount(mask); +} + +static int filter_frame8(AVFilterLink *link, AVFrame *in) { AVFilterContext *ctx = link->dst; SignalstatsContext *s = ctx->priv; @@ -383,6 +574,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *in) int toty = 0, totu = 0, totv = 0, totsat=0; int tothue = 0; int dify = 0, difu = 0, difv = 0; + uint16_t masky = 0, masku = 0, maskv = 0; int filtot[FILT_NUMB] = {0}; AVFrame *prev; @@ -409,13 +601,15 @@ static int filter_frame(AVFilterLink *link, AVFrame *in) av_frame_make_writable(out); } - ctx->internal->execute(ctx, compute_sat_hue_metrics, &td_huesat, - NULL, FFMIN(s->chromah, ctx->graph->nb_threads)); + ctx->internal->execute(ctx, compute_sat_hue_metrics8, &td_huesat, + NULL, FFMIN(s->chromah, ff_filter_get_nb_threads(ctx))); // Calculate luma histogram and difference with previous frame or field. for (j = 0; j < link->h; j++) { for (i = 0; i < link->w; i++) { const int yuv = in->data[0][w + i]; + + masky |= yuv; histy[yuv]++; dify += abs(yuv - prev->data[0][pw + i]); } @@ -428,6 +622,9 @@ static int filter_frame(AVFilterLink *link, AVFrame *in) for (i = 0; i < s->chromaw; i++) { const int yuvu = in->data[1][cw+i]; const int yuvv = in->data[2][cw+i]; + + masku |= yuvu; + maskv |= yuvv; histu[yuvu]++; difu += abs(yuvu - prev->data[1][cpw+i]); histv[yuvv]++; @@ -449,7 +646,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *in) .out = out != in && s->outfilter == fil ? out : NULL, }; memset(s->jobs_rets, 0, s->nb_jobs * sizeof(*s->jobs_rets)); - ctx->internal->execute(ctx, filters_def[fil].process, + ctx->internal->execute(ctx, filters_def[fil].process8, &td, s->jobs_rets, s->nb_jobs); for (i = 0; i < s->nb_jobs; i++) filtot[fil] += s->jobs_rets[i]; @@ -549,6 +746,10 @@ static int filter_frame(AVFilterLink *link, AVFrame *in) SET_META("UDIF", "%g", 1.0 * difu / s->cfs); SET_META("VDIF", "%g", 1.0 * difv / s->cfs); + SET_META("YBITDEPTH", "%d", compute_bit_depth(masky)); + SET_META("UBITDEPTH", "%d", compute_bit_depth(masku)); + SET_META("VBITDEPTH", "%d", compute_bit_depth(maskv)); + for (fil = 0; fil < FILT_NUMB; fil ++) { if (s->filters & 1<dst; + SignalstatsContext *s = ctx->priv; + AVFilterLink *outlink = ctx->outputs[0]; + AVFrame *out = in; + int i, j; + int w = 0, cw = 0, // in + pw = 0, cpw = 0; // prev + int fil; + char metabuf[128]; + unsigned int *histy = s->histy, + *histu = s->histu, + *histv = s->histv, + histhue[360] = {0}, + *histsat = s->histsat; + int miny = -1, minu = -1, minv = -1; + int maxy = -1, maxu = -1, maxv = -1; + int lowy = -1, lowu = -1, lowv = -1; + int highy = -1, highu = -1, highv = -1; + int minsat = -1, maxsat = -1, lowsat = -1, highsat = -1; + int lowp, highp, clowp, chighp; + int accy, accu, accv; + int accsat, acchue = 0; + int medhue, maxhue; + int64_t toty = 0, totu = 0, totv = 0, totsat=0; + int64_t tothue = 0; + int64_t dify = 0, difu = 0, difv = 0; + uint16_t masky = 0, masku = 0, maskv = 0; + + int filtot[FILT_NUMB] = {0}; + AVFrame *prev; + + AVFrame *sat = s->frame_sat; + AVFrame *hue = s->frame_hue; + const uint16_t *p_sat = (uint16_t *)sat->data[0]; + const uint16_t *p_hue = (uint16_t *)hue->data[0]; + const int lsz_sat = sat->linesize[0] / 2; + const int lsz_hue = hue->linesize[0] / 2; + ThreadDataHueSatMetrics td_huesat = { + .src = in, + .dst_sat = sat, + .dst_hue = hue, + }; + + if (!s->frame_prev) + s->frame_prev = av_frame_clone(in); + + prev = s->frame_prev; + + if (s->outfilter != FILTER_NONE) { + out = av_frame_clone(in); + av_frame_make_writable(out); + } + + ctx->internal->execute(ctx, compute_sat_hue_metrics16, &td_huesat, + NULL, FFMIN(s->chromah, ff_filter_get_nb_threads(ctx))); + + // Calculate luma histogram and difference with previous frame or field. + memset(s->histy, 0, (1 << s->depth) * sizeof(*s->histy)); + for (j = 0; j < link->h; j++) { + for (i = 0; i < link->w; i++) { + const int yuv = AV_RN16(in->data[0] + w + i * 2); + + masky |= yuv; + histy[yuv]++; + dify += abs(yuv - AV_RN16(prev->data[0] + pw + i * 2)); + } + w += in->linesize[0]; + pw += prev->linesize[0]; + } + + // Calculate chroma histogram and difference with previous frame or field. + memset(s->histu, 0, (1 << s->depth) * sizeof(*s->histu)); + memset(s->histv, 0, (1 << s->depth) * sizeof(*s->histv)); + memset(s->histsat, 0, (1 << s->depth) * sizeof(*s->histsat)); + for (j = 0; j < s->chromah; j++) { + for (i = 0; i < s->chromaw; i++) { + const int yuvu = AV_RN16(in->data[1] + cw + i * 2); + const int yuvv = AV_RN16(in->data[2] + cw + i * 2); + + masku |= yuvu; + maskv |= yuvv; + histu[yuvu]++; + difu += abs(yuvu - AV_RN16(prev->data[1] + cpw + i * 2)); + histv[yuvv]++; + difv += abs(yuvv - AV_RN16(prev->data[2] + cpw + i * 2)); + + histsat[p_sat[i]]++; + histhue[((int16_t*)p_hue)[i]]++; + } + cw += in->linesize[1]; + cpw += prev->linesize[1]; + p_sat += lsz_sat; + p_hue += lsz_hue; + } + + for (fil = 0; fil < FILT_NUMB; fil ++) { + if (s->filters & 1<outfilter == fil ? out : NULL, + }; + memset(s->jobs_rets, 0, s->nb_jobs * sizeof(*s->jobs_rets)); + ctx->internal->execute(ctx, filters_def[fil].process16, + &td, s->jobs_rets, s->nb_jobs); + for (i = 0; i < s->nb_jobs; i++) + filtot[fil] += s->jobs_rets[i]; + } + } + + // find low / high based on histogram percentile + // these only need to be calculated once. + + lowp = lrint(s->fs * 10 / 100.); + highp = lrint(s->fs * 90 / 100.); + clowp = lrint(s->cfs * 10 / 100.); + chighp = lrint(s->cfs * 90 / 100.); + + accy = accu = accv = accsat = 0; + for (fil = 0; fil < 1 << s->depth; fil++) { + if (miny < 0 && histy[fil]) miny = fil; + if (minu < 0 && histu[fil]) minu = fil; + if (minv < 0 && histv[fil]) minv = fil; + if (minsat < 0 && histsat[fil]) minsat = fil; + + if (histy[fil]) maxy = fil; + if (histu[fil]) maxu = fil; + if (histv[fil]) maxv = fil; + if (histsat[fil]) maxsat = fil; + + toty += histy[fil] * fil; + totu += histu[fil] * fil; + totv += histv[fil] * fil; + totsat += histsat[fil] * fil; + + accy += histy[fil]; + accu += histu[fil]; + accv += histv[fil]; + accsat += histsat[fil]; + + if (lowy == -1 && accy >= lowp) lowy = fil; + if (lowu == -1 && accu >= clowp) lowu = fil; + if (lowv == -1 && accv >= clowp) lowv = fil; + if (lowsat == -1 && accsat >= clowp) lowsat = fil; + + if (highy == -1 && accy >= highp) highy = fil; + if (highu == -1 && accu >= chighp) highu = fil; + if (highv == -1 && accv >= chighp) highv = fil; + if (highsat == -1 && accsat >= chighp) highsat = fil; + } + + maxhue = histhue[0]; + medhue = -1; + for (fil = 0; fil < 360; fil++) { + tothue += histhue[fil] * fil; + acchue += histhue[fil]; + + if (medhue == -1 && acchue > s->cfs / 2) + medhue = fil; + if (histhue[fil] > maxhue) { + maxhue = histhue[fil]; + } + } + + av_frame_free(&s->frame_prev); + s->frame_prev = av_frame_clone(in); + + SET_META("YMIN", "%d", miny); + SET_META("YLOW", "%d", lowy); + SET_META("YAVG", "%g", 1.0 * toty / s->fs); + SET_META("YHIGH", "%d", highy); + SET_META("YMAX", "%d", maxy); + + SET_META("UMIN", "%d", minu); + SET_META("ULOW", "%d", lowu); + SET_META("UAVG", "%g", 1.0 * totu / s->cfs); + SET_META("UHIGH", "%d", highu); + SET_META("UMAX", "%d", maxu); + + SET_META("VMIN", "%d", minv); + SET_META("VLOW", "%d", lowv); + SET_META("VAVG", "%g", 1.0 * totv / s->cfs); + SET_META("VHIGH", "%d", highv); + SET_META("VMAX", "%d", maxv); + + SET_META("SATMIN", "%d", minsat); + SET_META("SATLOW", "%d", lowsat); + SET_META("SATAVG", "%g", 1.0 * totsat / s->cfs); + SET_META("SATHIGH", "%d", highsat); + SET_META("SATMAX", "%d", maxsat); + + SET_META("HUEMED", "%d", medhue); + SET_META("HUEAVG", "%g", 1.0 * tothue / s->cfs); + + SET_META("YDIF", "%g", 1.0 * dify / s->fs); + SET_META("UDIF", "%g", 1.0 * difu / s->cfs); + SET_META("VDIF", "%g", 1.0 * difv / s->cfs); + + SET_META("YBITDEPTH", "%d", compute_bit_depth(masky)); + SET_META("UBITDEPTH", "%d", compute_bit_depth(masku)); + SET_META("VBITDEPTH", "%d", compute_bit_depth(maskv)); + + for (fil = 0; fil < FILT_NUMB; fil ++) { + if (s->filters & 1<fs); + snprintf(metaname, sizeof(metaname), "lavfi.signalstats.%s", filters_def[fil].name); + av_dict_set(&out->metadata, metaname, metabuf, 0); + } + } + + if (in != out) + av_frame_free(&in); + return ff_filter_frame(outlink, out); +} + +static int filter_frame(AVFilterLink *link, AVFrame *in) +{ + AVFilterContext *ctx = link->dst; + SignalstatsContext *s = ctx->priv; + + if (s->depth > 8) + return filter_frame16(link, in); + else + return filter_frame8(link, in); +} + static const AVFilterPad signalstats_inputs[] = { { .name = "default",