Merge commit 'b3051a460cf02a5b86ff0d1e14abba23ea55ff6d'

[ffmpeg] / libavcodec / mathtables.c

diff --git a/libavcodec/mathtables.c b/libavcodec/mathtables.c
index 7b5efb88a657994bb6cb08ed57747139c22b2000..81eabc7a654591399f0c3d4fa8835395c652dde2 100644 (file)
--- a/libavcodec/mathtables.c
+++ b/libavcodec/mathtables.c
@@ -105,3 +105,10 @@ const uint8_t ff_zigzag_direct[64] = {
     58, 59, 52, 45, 38, 31, 39, 46,
     53, 60, 61, 54, 47, 55, 62, 63
 };
+
+const uint8_t ff_zigzag_scan[16+1] = {
+    0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
+    1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
+    1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
+    3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
+};