avfilter/paletteuse: move r,g,b computation in a more local scope

2 years ago · 1340fe7caf
parent 1ae1b707e2
commit 1340fe7caf
1 changed files with 3 additions and 3 deletions
--- a/libavfilter/vf_paletteuse.c
+++ b/libavfilter/vf_paletteuse.c
@ -262,9 +262,6 @@ static av_always_inline int color_get(PaletteUseContext *s, uint32_t color)
 static av_always_inline int get_dst_color_err(PaletteUseContext *s,
                                              uint32_t c, int *er, int *eg, int *eb)
 {
-    const uint8_t r = c >> 16 & 0xff;
-    const uint8_t g = c >>  8 & 0xff;
-    const uint8_t b = c       & 0xff;
    uint32_t dstc;
    const int dstx = color_get(s, c);
    if (dstx < 0)
@ -273,6 +270,9 @@ static av_always_inline int get_dst_color_err(PaletteUseContext *s,
    if (dstx == s->transparency_index) {
        *er = *eg = *eb = 0;
    } else {
+        const uint8_t r = c >> 16 & 0xff;
+        const uint8_t g = c >>  8 & 0xff;
+        const uint8_t b = c       & 0xff;
        *er = (int)r - (int)(dstc >> 16 & 0xff);
        *eg = (int)g - (int)(dstc >>  8 & 0xff);
        *eb = (int)b - (int)(dstc       & 0xff);