[FFmpeg-cvslog] avcodec/magicyuvenc: improve compression

Paul B Mahol git at videolan.org
Sun Oct 29 13:16:21 EET 2017


ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sun Oct 29 12:13:54 2017 +0100| [ca106d6a5c4c62516876222745e16bafcc774d06] | committer: Paul B Mahol

avcodec/magicyuvenc: improve compression

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ca106d6a5c4c62516876222745e16bafcc774d06
---

 libavcodec/magicyuvenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/magicyuvenc.c b/libavcodec/magicyuvenc.c
index f948b03e4b..a30922f570 100644
--- 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);



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