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avfilter/vf_lut3d: allow to control when to upload CLUT for haldclut

This commit is contained in:
Paul B Mahol 2022-04-26 19:58:28 +02:00
parent 1da3394adb
commit 452d611fc7
3 changed files with 20 additions and 6 deletions
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4
doc/filters.texi
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@ -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

2
libavfilter/lut3d.h
View File

@ -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;

20
libavfilter/vf_lut3d.c
View File

@ -1217,6 +1217,11 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
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);
}