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[FFmpeg-devel,v2,28/32] avfilter/paletteuse: switch to recursive method

Message ID 20221227231814.2520181-29-u@pkh.me
State Accepted
Commit 0f7942afa6dbcfde02b7f46705d1c32101ee5866
Headers show
Series [FFmpeg-devel,v2,01/32] avfilter/palettegen: allow a minimum of 2 colors | expand

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Commit Message

Clément Bœsch Dec. 27, 2022, 11:18 p.m. UTC 
It appears faster than the iterative method on my machine (1.06x
faster), so I'm guessing compilers improved over time (the iterative
version was slightly faster in the past).
---
 libavfilter/vf_paletteuse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c
index c2d6333662..0342002b15 100644
--- a/libavfilter/vf_paletteuse.c
+++ b/libavfilter/vf_paletteuse.c
@@ -130,7 +130,7 @@  static const AVOption paletteuse_options[] = {
 
     /* following are the debug options, not part of the official API */
     { "debug_kdtree", "save Graphviz graph of the kdtree in specified file", OFFSET(dot_filename), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
-    { "color_search", "set reverse colormap color search method", OFFSET(color_search_method), AV_OPT_TYPE_INT, {.i64=COLOR_SEARCH_NNS_ITERATIVE}, 0, NB_COLOR_SEARCHES-1, FLAGS, "search" },
+    { "color_search", "set reverse colormap color search method", OFFSET(color_search_method), AV_OPT_TYPE_INT, {.i64=COLOR_SEARCH_NNS_RECURSIVE}, 0, NB_COLOR_SEARCHES-1, FLAGS, "search" },
         { "nns_iterative", "iterative search",             0, AV_OPT_TYPE_CONST, {.i64=COLOR_SEARCH_NNS_ITERATIVE}, INT_MIN, INT_MAX, FLAGS, "search" },
         { "nns_recursive", "recursive search",             0, AV_OPT_TYPE_CONST, {.i64=COLOR_SEARCH_NNS_RECURSIVE}, INT_MIN, INT_MAX, FLAGS, "search" },
         { "bruteforce",    "brute-force into the palette", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_SEARCH_BRUTEFORCE},    INT_MIN, INT_MAX, FLAGS, "search" },