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From: Jeffrey CHAPUIS <ashyni1987@gmail.com>
To: ffmpeg-devel@ffmpeg.org
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Subject: Re: [FFmpeg-devel] [PATCH] avfilter/vf_cropdetect: add ability to
 change limit/reset at runtime
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Hello,
I decided to continue on a simpler path without 'reset/reset_count', it was only to experiment anyway, 'limit' is the main goal.
'limit' is added to the metadata to control that the result is associated to a change at runtime, it's after scaling with bitdetph but that's not really a problem (at least for me, we can always store the parameter before any alteration).

>+    if (!strcmp(cmd, "limit")) {
>+        if (s->limit < 1.0)
>+            s->limit *= (1 << s->bitdepth) - 1;
>+        s->frame_nb = s->reset_count;
>+    }
Should i remove the if statement here ? or keep it for future change eventually.

Notes I didn't think about?

Thunderbird altered the patch somehow (remove empty new lines), it's edited manually.

Signed-off-by: Ashyni <jeffrey.c@tuta.io>
---
 doc/filters.texi                           | 12 +++++
 libavfilter/vf_cropdetect.c                | 32 ++++++++++--
 tests/ref/fate/filter-metadata-cropdetect  | 60 +++++++++++-----------
 tests/ref/fate/filter-metadata-cropdetect1 | 14 ++---
 tests/ref/fate/filter-metadata-cropdetect2 | 14 ++---
 5 files changed, 84 insertions(+), 48 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 9c3233914..0fc562409 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -10560,6 +10560,18 @@ ffmpeg -flags2 +export_mvs -i file.mp4 -vf cropdetect=mode=mvedges,metadata=mode
 @end example
 @end itemize

+@subsection Commands
+
+This filter supports the following commands:
+@table @option
+@item limit
+
+The command accepts the same syntax of the corresponding option.
+
+If the specified expression is not valid, it is kept at its current
+value.
+@end table
+
 @anchor{cue}
 @section cue

 diff --git a/libavfilter/vf_cropdetect.c b/libavfilter/vf_cropdetect.c
index 7e985fb27..1e752192d 100644
--- a/libavfilter/vf_cropdetect.c
+++ b/libavfilter/vf_cropdetect.c
@@ -48,6 +48,7 @@ typedef struct CropDetectContext {
     int mode;
     int window_size;
     int mv_threshold;
+    int bitdepth;
     float   low, high;
     uint8_t low_u8, high_u8;
     uint8_t  *filterbuf;
@@ -207,8 +208,10 @@ static int config_input(AVFilterLink *inlink)

     av_image_fill_max_pixsteps(s->max_pixsteps, NULL, desc);

+    s->bitdepth = desc->comp[0].depth;
+         
     if (s->limit < 1.0)
-        s->limit *= (1 << desc->comp[0].depth) - 1;
+        s->limit *= (1 << s->bitdepth) - 1;

     s->x1 = inlink->w - 1;
     s->y1 = inlink->h - 1;
@@ -422,22 +425,42 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
         SET_META("lavfi.cropdetect.h",  h);
         SET_META("lavfi.cropdetect.x",  x);
         SET_META("lavfi.cropdetect.y",  y);
+        SET_META("lavfi.cropdetect.limit", limit);

         av_log(ctx, AV_LOG_INFO,
-               "x1:%d x2:%d y1:%d y2:%d w:%d h:%d x:%d y:%d pts:%"PRId64" t:%f crop=%d:%d:%d:%d\n",
+               "x1:%d x2:%d y1:%d y2:%d w:%d h:%d x:%d y:%d pts:%"PRId64" t:%f limit:%d crop=%d:%d:%d:%d\n",
                s->x1, s->x2, s->y1, s->y2, w, h, x, y, frame->pts,
                frame->pts == AV_NOPTS_VALUE ? -1 : frame->pts * av_q2d(inlink->time_base),
-               w, h, x, y);
+               limit, w, h, x, y);
     }

     return ff_filter_frame(inlink->dst->outputs[0], frame);
 }

+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+                           char *res, int res_len, int flags)
+{
+    CropDetectContext *s = ctx->priv;
+    int ret;
+
+    if ((ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags)) < 0)
+        return ret;
+
+    if (!strcmp(cmd, "limit")) {
+        if (s->limit < 1.0)
+            s->limit *= (1 << s->bitdepth) - 1;
+        s->frame_nb = s->reset_count;
+    }
+
+    return 0;
+}
+
 #define OFFSET(x) offsetof(CropDetectContext, x)
 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define TFLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

 static const AVOption cropdetect_options[] = {
-    { "limit", "Threshold below which the pixel is considered black", OFFSET(limit),       AV_OPT_TYPE_FLOAT, { .dbl = 24.0/255 }, 0, 65535, FLAGS },
+    { "limit", "Threshold below which the pixel is considered black", OFFSET(limit),       AV_OPT_TYPE_FLOAT, { .dbl = 24.0/255 }, 0, 65535, TFLAGS },
     { "round", "Value by which the width/height should be divisible", OFFSET(round),       AV_OPT_TYPE_INT, { .i64 = 16 }, 0, INT_MAX, FLAGS },
     { "reset", "Recalculate the crop area after this many frames",    OFFSET(reset_count), AV_OPT_TYPE_INT, { .i64 = 0 },  0, INT_MAX, FLAGS },
     { "skip",  "Number of initial frames to skip",                    OFFSET(skip),        AV_OPT_TYPE_INT, { .i64 = 2 },  0, INT_MAX, FLAGS },
@@ -481,4 +504,5 @@ const AVFilter ff_vf_cropdetect = {
     FILTER_OUTPUTS(avfilter_vf_cropdetect_outputs),
     FILTER_PIXFMTS_ARRAY(pix_fmts),
     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_METADATA_ONLY,
+    .process_command = process_command,
 };
diff --git a/tests/ref/fate/filter-metadata-cropdetect b/tests/ref/fate/filter-metadata-cropdetect
index f3e1865ab..968964c3d 100644
--- a/tests/ref/fate/filter-metadata-cropdetect
+++ b/tests/ref/fate/filter-metadata-cropdetect
@@ -1,33 +1,33 @@
 pts=0|

 pts=400
-pts=800|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=1200|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=1600|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=2000|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=2400|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=2800|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=3200|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=3600|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=4000|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=4400|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=4800|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=5200|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=5600|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=6000|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=6400|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=6800|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=7200|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=7600|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=8000|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=8400|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=8800|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=9200|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=9600|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=10000|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=10400|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=10800|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=11200|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=11600|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=12000|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
-pts=12400|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.y=68
+pts=800|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=1200|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=1600|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=2000|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=2400|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=2800|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=3200|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=3600|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=4000|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=4400|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=4800|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=5200|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=5600|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=6000|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=6400|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=6800|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=7200|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=7600|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=8000|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=8400|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=8800|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=9200|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=9600|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=10000|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=10400|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=10800|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=11200|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=11600|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=12000|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
+pts=12400|tag:lavfi.cropdetect.y=68|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=719|tag:lavfi.cropdetect.y1=61|tag:lavfi.cropdetect.y2=424|tag:lavfi.cropdetect.w=720|tag:lavfi.cropdetect.h=352|tag:lavfi.cropdetect.x=0|tag:lavfi.cropdetect.limit=24
diff --git a/tests/ref/fate/filter-metadata-cropdetect1 b/tests/ref/fate/filter-metadata-cropdetect1
index 78fbefd85..fc2bfa27f 100644
--- a/tests/ref/fate/filter-metadata-cropdetect1
+++ b/tests/ref/fate/filter-metadata-cropdetect1
@@ -2,10 +2,10 @@ pts=0|

 pts=1001|

-pts=2002|tag:lavfi.cropdetect.x=20|tag:lavfi.cropdetect.x1=20|tag:lavfi.cropdetect.x2=851|tag:lavfi.cropdetect.y1=311|tag:lavfi.cropdetect.y2=601|tag:lavfi.cropdetect.w=832|tag:lavfi.cropdetect.h=288|tag:lavfi.cropdetect.y=314|
-pts=3003|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.x1=20|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=311|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=864|tag:lavfi.cropdetect.h=304|tag:lavfi.cropdetect.y=316|
-pts=4004|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.y=122|
-pts=5005|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.x1=20|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=311|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=864|tag:lavfi.cropdetect.h=304|tag:lavfi.cropdetect.y=316|
-pts=6006|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.y=122|
-pts=7007|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.y=122|
-pts=8008|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.y=122|
+pts=2002|tag:lavfi.cropdetect.y=314|tag:lavfi.cropdetect.x1=20|tag:lavfi.cropdetect.x2=851|tag:lavfi.cropdetect.y1=311|tag:lavfi.cropdetect.y2=601|tag:lavfi.cropdetect.w=832|tag:lavfi.cropdetect.h=288|tag:lavfi.cropdetect.x=20|tag:lavfi.cropdetect.limit=24|
+pts=3003|tag:lavfi.cropdetect.y=316|tag:lavfi.cropdetect.x1=20|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=311|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=864|tag:lavfi.cropdetect.h=304|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.limit=24|
+pts=4004|tag:lavfi.cropdetect.y=122|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.limit=24|
+pts=5005|tag:lavfi.cropdetect.y=316|tag:lavfi.cropdetect.x1=20|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=311|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=864|tag:lavfi.cropdetect.h=304|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.limit=24|
+pts=6006|tag:lavfi.cropdetect.y=122|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.limit=24|
+pts=7007|tag:lavfi.cropdetect.y=122|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.limit=24|
+pts=8008|tag:lavfi.cropdetect.y=122|tag:lavfi.cropdetect.x1=0|tag:lavfi.cropdetect.x2=885|tag:lavfi.cropdetect.y1=115|tag:lavfi.cropdetect.y2=621|tag:lavfi.cropdetect.w=880|tag:lavfi.cropdetect.h=496|tag:lavfi.cropdetect.x=4|tag:lavfi.cropdetect.limit=24|
diff --git a/tests/ref/fate/filter-metadata-cropdetect2 b/tests/ref/fate/filter-metadata-cropdetect2
index e58f00770..8860d5ae9 100644
--- a/tests/ref/fate/filter-metadata-cropdetect2
+++ b/tests/ref/fate/filter-metadata-cropdetect2
@@ -3,10 +3,10 @@ pts=0|

 pts=512|

-pts=1024|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1221|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1200|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.y=22|
-pts=1536|tag:lavfi.cropdetect.x=24|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1257|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1232|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.y=22|
-pts=2048|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1221|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1200|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.y=22|
-pts=2560|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1221|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1200|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.y=22|
-pts=3072|tag:lavfi.cropdetect.x=28|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=817|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=937|tag:lavfi.cropdetect.w=784|tag:lavfi.cropdetect.h=912|tag:lavfi.cropdetect.y=22|
-pts=3584|tag:lavfi.cropdetect.x=28|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=817|tag:lavfi.cropdetect.y1=38|tag:lavfi.cropdetect.y2=937|tag:lavfi.cropdetect.w=784|tag:lavfi.cropdetect.h=896|tag:lavfi.cropdetect.y=40|
-pts=4096|tag:lavfi.cropdetect.x=28|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=817|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=937|tag:lavfi.cropdetect.w=784|tag:lavfi.cropdetect.h=912|tag:lavfi.cropdetect.y=22|
+pts=1024|tag:lavfi.cropdetect.y=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1221|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1200|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.limit=24|
+pts=1536|tag:lavfi.cropdetect.y=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1257|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1232|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.x=24|tag:lavfi.cropdetect.limit=24|
+pts=2048|tag:lavfi.cropdetect.y=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1221|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1200|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.limit=24|
+pts=2560|tag:lavfi.cropdetect.y=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=1221|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=1116|tag:lavfi.cropdetect.w=1200|tag:lavfi.cropdetect.h=1088|tag:lavfi.cropdetect.x=22|tag:lavfi.cropdetect.limit=24|
+pts=3072|tag:lavfi.cropdetect.y=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=817|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=937|tag:lavfi.cropdetect.w=784|tag:lavfi.cropdetect.h=912|tag:lavfi.cropdetect.x=28|tag:lavfi.cropdetect.limit=24|
+pts=3584|tag:lavfi.cropdetect.y=40|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=817|tag:lavfi.cropdetect.y1=38|tag:lavfi.cropdetect.y2=937|tag:lavfi.cropdetect.w=784|tag:lavfi.cropdetect.h=896|tag:lavfi.cropdetect.x=28|tag:lavfi.cropdetect.limit=24|
+pts=4096|tag:lavfi.cropdetect.y=22|tag:lavfi.cropdetect.x1=21|tag:lavfi.cropdetect.x2=817|tag:lavfi.cropdetect.y1=15|tag:lavfi.cropdetect.y2=937|tag:lavfi.cropdetect.w=784|tag:lavfi.cropdetect.h=912|tag:lavfi.cropdetect.x=28|tag:lavfi.cropdetect.limit=24|
-- 
2.34.1

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