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authorPaul B Mahol <onemda@gmail.com>2022-04-26 19:58:28 +0200
committerPaul B Mahol <onemda@gmail.com>2022-04-26 20:07:04 +0200
commit452d611fc70cf7c37df5c68fecedc0e38981e94a (patch)
tree010615f2dbd399feeb52a94d4e00c0630d11d2ca
parent1da3394adb04f6fa97f8730a9ac6f25bc4c440b4 (diff)
downloadffmpeg-452d611fc70cf7c37df5c68fecedc0e38981e94a.tar.gz
avfilter/vf_lut3d: allow to control when to upload CLUT for haldclut
-rw-r--r--doc/filters.texi4
-rw-r--r--libavfilter/lut3d.h2
-rw-r--r--libavfilter/vf_lut3d.c20
3 files changed, 20 insertions, 6 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index cf25edaa0b..52c40833eb 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -13793,6 +13793,10 @@ The Hald CLUT input can be a simple picture or a complete video stream.
The filter accepts the following options:
@table @option
+@item clut
+Set which CLUT video frames will be processed from second input stream,
+can be @var{first} or @var{all}. Default is @var{all}.
+
@item shortest
Force termination when the shortest input terminates. Default is @code{0}.
@item repeatlast
diff --git a/libavfilter/lut3d.h b/libavfilter/lut3d.h
index 97cd413233..14e3c7fea6 100644
--- a/libavfilter/lut3d.h
+++ b/libavfilter/lut3d.h
@@ -66,6 +66,8 @@ typedef struct LUT3DContext {
avfilter_action_func *interp;
Lut3DPreLut prelut;
#if CONFIG_HALDCLUT_FILTER
+ int clut;
+ int got_clut;
uint8_t clut_rgba_map[4];
int clut_step;
int clut_bits;
diff --git a/libavfilter/vf_lut3d.c b/libavfilter/vf_lut3d.c
index 1880141e51..a5190b6688 100644
--- a/libavfilter/vf_lut3d.c
+++ b/libavfilter/vf_lut3d.c
@@ -1218,6 +1218,11 @@ static const AVOption lut3d_haldclut_options[] = {
#if CONFIG_LUT3D_FILTER
{ "file", "set 3D LUT file name", OFFSET(file), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
#endif
+#if CONFIG_HALDCLUT_FILTER
+ { "clut", "when to process CLUT", OFFSET(clut), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, .flags = TFLAGS, "clut" },
+ { "first", "process only first CLUT, ignore rest", 0, AV_OPT_TYPE_CONST, {.i64=0}, .flags = TFLAGS, "clut" },
+ { "all", "process all CLUTs", 0, AV_OPT_TYPE_CONST, {.i64=1}, .flags = TFLAGS, "clut" },
+#endif
COMMON_OPTIONS
};
@@ -1519,12 +1524,15 @@ static int update_apply_clut(FFFrameSync *fs)
return ret;
if (!second)
return ff_filter_frame(ctx->outputs[0], master);
- if (lut3d->clut_float)
- update_clut_float(ctx->priv, second);
- else if (lut3d->clut_planar)
- update_clut_planar(ctx->priv, second);
- else
- update_clut_packed(ctx->priv, second);
+ if (lut3d->clut || !lut3d->got_clut) {
+ if (lut3d->clut_float)
+ update_clut_float(ctx->priv, second);
+ else if (lut3d->clut_planar)
+ update_clut_planar(ctx->priv, second);
+ else
+ update_clut_packed(ctx->priv, second);
+ lut3d->got_clut = 1;
+ }
out = apply_lut(inlink, master);
return ff_filter_frame(ctx->outputs[0], out);
}