This makes it possible to apply Adobe .cube files to inputs.
---
libavfilter/vf_libplacebo.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c
index 475030c80d..d74a6e1bf7 100644
--- a/libavfilter/vf_libplacebo.c
+++ b/libavfilter/vf_libplacebo.c
@@ -159,6 +159,7 @@ typedef struct LibplaceboContext {
pl_vulkan vulkan;
pl_gpu gpu;
pl_tex tex[4];
+ struct pl_custom_lut *lut;
/* input state */
LibplaceboInput *inputs;
@@ -184,6 +185,7 @@ typedef struct LibplaceboContext {
AVExpr *pos_x_pexpr, *pos_y_pexpr, *pos_w_pexpr, *pos_h_pexpr;
float pad_crop_ratio;
float corner_rounding;
+ char *lut_filename;
int force_original_aspect_ratio;
int force_divisible_by;
int reset_sar;
@@ -371,6 +373,28 @@ static int find_scaler(AVFilterContext *avctx,
return AVERROR(EINVAL);
}
+static int update_lut(LibplaceboContext *s)
+{
+ int ret;
+ uint8_t *lutbuf;
+ size_t lutbuf_size;
+
+ pl_lut_free(&s->lut);
+
+ if ((ret = av_file_map(s->lut_filename, &lutbuf, &lutbuf_size, 0, s)) < 0)
{
+ av_log(s, AV_LOG_ERROR,
+ "The LUT file '%s' could not be read: %s\n",
+ s->lut_filename, av_err2str(ret));
+ return ret;
+ }
+
+ s->lut = pl_lut_parse_cube(s->log, lutbuf, lutbuf_size);
+
+ av_file_unmap(lutbuf, lutbuf_size);
+
+ return 0;
+}
+
static int update_settings(AVFilterContext *ctx)
{
int err = 0;
@@ -468,6 +492,7 @@ static int update_settings(AVFilterContext *ctx)
RET(find_scaler(ctx, &opts->params.upscaler, s->upscaler, 0));
RET(find_scaler(ctx, &opts->params.downscaler, s->downscaler, 0));
RET(find_scaler(ctx, &opts->params.frame_mixer, s->frame_mixer, 1));
+ RET(update_lut(s));
#if PL_API_VER >= 309
while ((e = av_dict_get(s->extra_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
@@ -757,6 +782,7 @@ static void libplacebo_uninit(AVFilterContext *avctx)
av_freep(&s->inputs);
}
+ pl_lut_free(&s->lut);
#if PL_API_VER >= 351
pl_cache_destroy(&s->cache);
#endif
@@ -1005,6 +1031,7 @@ static bool map_frame(pl_gpu gpu, pl_tex *tex,
.tex = tex,
.map_dovi = s->apply_dovi,
));
+ out->lut = s->lut;
if (!s->apply_filmgrain)
out->film_grain.type = PL_FILM_GRAIN_NONE;
@@ -1406,6 +1433,7 @@ static const AVOption libplacebo_options[] = {
{ "pad_crop_ratio", "ratio between padding and cropping when normalizing
SAR (0=pad, 1=crop)", OFFSET(pad_crop_ratio), AV_OPT_TYPE_FLOAT, {.dbl=0.0},
0.0, 1.0, DYNAMIC },
{ "fillcolor", "Background fill color", OFFSET(fillcolor),
AV_OPT_TYPE_COLOR, {.str = "black@0"}, .flags = DYNAMIC },
{ "corner_rounding", "Corner rounding radius", OFFSET(corner_rounding),
AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 1.0, .flags = DYNAMIC },
+ { "lut", "Apply a look-up table", OFFSET(lut_filename),
AV_OPT_TYPE_STRING, { .str = NULL }, .flags = DYNAMIC },
{ "extra_opts", "Pass extra libplacebo-specific options using a
:-separated list of key=value pairs", OFFSET(extra_opts), AV_OPT_TYPE_DICT,
.flags = DYNAMIC },
#if PL_API_VER >= 351
{ "shader_cache", "Set shader cache path", OFFSET(shader_cache),
AV_OPT_TYPE_STRING, {.str = NULL}, .flags = STATIC },
--
2.49.0.395.g12beb8f557c
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
