[FFmpeg-cvslog] avfilter/vf_signalstats: add >8 bit depth support
Paul B Mahol
git at videolan.org
Sat Aug 13 14:01:16 EEST 2016
ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Jul 28 14:20:01 2016 +0200| [ee56d9bc89c2cd9f79ef62a8301b9c42c50b0757] | committer: Paul B Mahol
avfilter/vf_signalstats: add >8 bit depth support
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ee56d9bc89c2cd9f79ef62a8301b9c42c50b0757
---
libavfilter/vf_signalstats.c | 436 +++++++++++++++++++++++++++++++++++++++++--
1 file changed, 420 insertions(+), 16 deletions(-)
diff --git a/libavfilter/vf_signalstats.c b/libavfilter/vf_signalstats.c
index c340d6b..259b0a1 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;
@@ -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_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_frame(s, out, x, y);
+ 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 +502,46 @@ 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 int filter_frame8(AVFilterLink *link, AVFrame *in)
{
AVFilterContext *ctx = link->dst;
SignalstatsContext *s = ctx->priv;
@@ -409,7 +595,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
av_frame_make_writable(out);
}
- ctx->internal->execute(ctx, compute_sat_hue_metrics, &td_huesat,
+ ctx->internal->execute(ctx, compute_sat_hue_metrics8, &td_huesat,
NULL, FFMIN(s->chromah, ctx->graph->nb_threads));
// Calculate luma histogram and difference with previous frame or field.
@@ -449,7 +635,7 @@ 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];
@@ -563,6 +749,224 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
return ff_filter_frame(outlink, out);
}
+static int filter_frame16(AVFilterLink *link, AVFrame *in)
+{
+ AVFilterContext *ctx = link->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;
+
+ int filtot[FILT_NUMB] = {0};
+ AVFrame *prev;
+
+ AVFrame *sat = s->frame_sat;
+ AVFrame *hue = s->frame_hue;
+ const uint8_t *p_sat = sat->data[0];
+ const uint8_t *p_hue = hue->data[0];
+ const int lsz_sat = sat->linesize[0];
+ const int lsz_hue = hue->linesize[0];
+ 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, ctx->graph->nb_threads));
+
+ // 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);
+ 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);
+ 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<<fil) {
+ ThreadData td = {
+ .in = 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].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);
+
+ for (fil = 0; fil < FILT_NUMB; fil ++) {
+ if (s->filters & 1<<fil) {
+ char metaname[128];
+ snprintf(metabuf, sizeof(metabuf), "%g", 1.0 * filtot[fil] / s->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",
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