Bug: https://bugs.gentoo.org/910406

Backports the following two commits:
  https://github.com/FFmpeg/FFmpeg/commit/11eca6018c40f5ebe6af93cbc4b4dce447d8b3bc
  https://github.com/FFmpeg/FFmpeg/commit/1231003c3c6d4839a9e838d06f8e16ee7690958f

--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -16242,9 +16242,6 @@
 @item disable_builtin
 Disable built-in GPU sampling (forces LUT).
 
-@item force_icc_lut
-Force the use of a full ICC 3DLUT for gamut mapping.
-
 @item disable_fbos
 Forcibly disable FBOs, resulting in loss of almost all functionality, but
 offering the maximum possible speed.
--- a/libavfilter/version_major.h
+++ b/libavfilter/version_major.h
@@ -35,4 +35,6 @@
  * the public API and may change, break or disappear at any time.
  */
 
+#define FF_API_LIBPLACEBO_OPTS (LIBAVFILTER_VERSION_MAJOR < 10)
+
 #endif /* AVFILTER_VERSION_MAJOR_H */
--- a/libavfilter/vf_libplacebo.c
+++ b/libavfilter/vf_libplacebo.c
@@ -97,7 +97,6 @@
     float polar_cutoff;
     int disable_linear;
     int disable_builtin;
-    int force_icc_lut;
     int force_dither;
     int disable_fbos;
 
@@ -132,11 +131,15 @@
     int inverse_tonemapping;
     float crosstalk;
     int tonemapping_lut_size;
+
+#if FF_API_LIBPLACEBO_OPTS
     /* for backwards compatibility */
     float desat_str;
     float desat_exp;
     int gamut_warning;
     int gamut_clipping;
+    int force_icc_lut;
+#endif
 
      /* pl_dither_params */
     int dithering;
@@ -380,6 +383,7 @@
         pl_rect2df_aspect_set(&target.crop, aspect, s->pad_crop_ratio);
     }
 
+#if FF_API_LIBPLACEBO_OPTS
     /* backwards compatibility with older API */
     if (!tonemapping_mode && (s->desat_str >= 0.0f || s->desat_exp >= 0.0f)) {
         float str = s->desat_str < 0.0f ? 0.9f : s->desat_str;
@@ -397,6 +401,7 @@
         gamut_mode = PL_GAMUT_WARN;
     if (s->gamut_clipping)
         gamut_mode = PL_GAMUT_DESATURATE;
+#endif
 
     /* Update render params */
     params = (struct pl_render_params) {
@@ -458,7 +463,6 @@
         .polar_cutoff = s->polar_cutoff,
         .disable_linear_scaling = s->disable_linear,
         .disable_builtin_scalers = s->disable_builtin,
-        .force_icc_lut = s->force_icc_lut,
         .force_dither = s->force_dither,
         .disable_fbos = s->disable_fbos,
     };
@@ -818,11 +822,14 @@
     { "inverse_tonemapping", "Inverse tone mapping (range expansion)", OFFSET(inverse_tonemapping), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
     { "tonemapping_crosstalk", "Crosstalk factor for tone-mapping", OFFSET(crosstalk), AV_OPT_TYPE_FLOAT, {.dbl = 0.04}, 0.0, 0.30, DYNAMIC },
     { "tonemapping_lut_size", "Tone-mapping LUT size", OFFSET(tonemapping_lut_size), AV_OPT_TYPE_INT, {.i64 = 256}, 2, 1024, DYNAMIC },
+
+#if FF_API_LIBPLACEBO_OPTS
     /* deprecated options for backwards compatibility, defaulting to -1 to not override the new defaults */
     { "desaturation_strength", "Desaturation strength", OFFSET(desat_str), AV_OPT_TYPE_FLOAT, {.dbl = -1.0}, -1.0, 1.0, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
     { "desaturation_exponent", "Desaturation exponent", OFFSET(desat_exp), AV_OPT_TYPE_FLOAT, {.dbl = -1.0}, -1.0, 10.0, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
     { "gamut_warning", "Highlight out-of-gamut colors", OFFSET(gamut_warning), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
     { "gamut_clipping", "Enable colorimetric gamut clipping", OFFSET(gamut_clipping), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
+#endif
 
     { "dithering", "Dither method to use", OFFSET(dithering), AV_OPT_TYPE_INT, {.i64 = PL_DITHER_BLUE_NOISE}, -1, PL_DITHER_METHOD_COUNT - 1, DYNAMIC, "dither" },
         { "none", "Disable dithering", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, STATIC, "dither" },
@@ -847,7 +854,9 @@
     { "polar_cutoff", "Polar LUT cutoff", OFFSET(polar_cutoff), AV_OPT_TYPE_FLOAT, {.dbl = 0}, 0.0, 1.0, DYNAMIC },
     { "disable_linear", "Disable linear scaling", OFFSET(disable_linear), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
     { "disable_builtin", "Disable built-in scalers", OFFSET(disable_builtin), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
-    { "force_icc_lut", "Force the use of a full ICC 3DLUT for color mapping", OFFSET(force_icc_lut), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
+#if FF_API_LIBPLACEBO_OPTS
+    { "force_icc_lut", "Deprecated, does nothing", OFFSET(force_icc_lut), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC | AV_OPT_FLAG_DEPRECATED },
+#endif
     { "force_dither", "Force dithering", OFFSET(force_dither), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
     { "disable_fbos", "Force-disable FBOs", OFFSET(disable_fbos), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, DYNAMIC },
     { NULL },