[FFmpeg-cvslog] swscale/internal: expose ff_update_palette() internally

[Niklas Haas]

ffmpeg | branch: master | Niklas Haas <git at haasn.dev> | Fri Oct  4 16:44:19 2024 +0200| [61369484f62e21999116e9b806d0eb4a7cc6a7b4] | committer: Niklas Haas

swscale/internal: expose ff_update_palette() internally

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git at haasn.dev>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=61369484f62e21999116e9b806d0eb4a7cc6a7b4
---

 libswscale/swscale.c          | 4 ++--
 libswscale/swscale_internal.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 8b6a3a84b4..ad0cde6ad8 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -748,7 +748,7 @@ static void rgb48Toxyz12(struct SwsContext *c, uint16_t *dst,
     }
 }
 
-static void update_palette(SwsContext *c, const uint32_t *pal)
+void ff_update_palette(SwsContext *c, const uint32_t *pal)
 {
     for (int i = 0; i < 256; i++) {
         int r, g, b, y, u, v, a = 0xff;
@@ -946,7 +946,7 @@ static int scale_internal(SwsContext *c,
             memset(c->dither_error[i], 0, sizeof(c->dither_error[0][0]) * (c->dstW+2));
 
     if (usePal(c->srcFormat))
-        update_palette(c, (const uint32_t *)srcSlice[1]);
+        ff_update_palette(c, (const uint32_t *)srcSlice[1]);
 
     memcpy(src2,       srcSlice,  sizeof(src2));
     memcpy(dst2,       dstSlice,  sizeof(dst2));
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 57e7515582..66d0664721 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -694,6 +694,8 @@ void ff_yuv2rgb_init_tables_ppc(SwsContext *c, const int inv_table[4],
 
 void ff_updateMMXDitherTables(SwsContext *c, int dstY);
 
+void ff_update_palette(SwsContext *c, const uint32_t *pal);
+
 av_cold void ff_sws_init_range_convert(SwsContext *c);
 av_cold void ff_sws_init_range_convert_aarch64(SwsContext *c);
 av_cold void ff_sws_init_range_convert_loongarch(SwsContext *c);