avcodec/magicyuvenc: improve compression

Signed-off-by: Paul B Mahol <onemda@gmail.com>

diff --git a/libavcodec/magicyuvenc.c b/libavcodec/magicyuvenc.c
index f948b03e4b52efd6ebd4a46346feb1b4a2c50d48..a30922f57077ab595fa48032244f752a97d5b4e2 100644 (file)
--- a/libavcodec/magicyuvenc.c
+++ b/libavcodec/magicyuvenc.c
@@ -344,7 +344,7 @@ static int encode_table(AVCodecContext *avctx, uint8_t *dst,
 
     for (i = 0; i < 256; i++) {
         counts[i].prob++;
-        counts[i].value = i;
+        counts[i].value = 255 - i;
     }
 
     magy_huffman_compute_bits(counts, he, 256, 16);