From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Wed, 13 Jul 2022 16:13:35 +0000 (+0200)
Subject: h264: fix some tables and indices in dsp
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=2b6a8fdcfd39656130fbbc1ff48fd863b13f7daa;p=nihav.git

h264: fix some tables and indices in dsp
---

diff --git a/nihav-itu/src/codecs/h264/dsp/mod.rs b/nihav-itu/src/codecs/h264/dsp/mod.rs
index fa091c6..df5b287 100644
--- a/nihav-itu/src/codecs/h264/dsp/mod.rs
+++ b/nihav-itu/src/codecs/h264/dsp/mod.rs
@@ -175,35 +175,35 @@ pub fn idct_dc(blk: &mut [i16; 16], qp: u8, quant_dc: bool) {
 
 const QMAT_8X8: [[u8; 16]; 6] = [
   [
-    20, 19, 25, 24,
+    20, 19, 25, 19,
     19, 18, 24, 18,
     25, 24, 32, 24,
-    24, 18, 24, 18
+    19, 18, 24, 18
   ], [
-    22, 21, 28, 26,
+    22, 21, 28, 21,
     21, 19, 26, 19,
     28, 26, 35, 26,
-    26, 19, 26, 19
+    21, 19, 26, 19
   ], [
-    26, 24, 33, 31,
+    26, 24, 33, 24,
     24, 23, 31, 23,
     33, 31, 42, 31,
-    31, 23, 31, 23
+    24, 23, 31, 23
   ], [
-    28, 26, 35, 33,
+    28, 26, 35, 26,
     26, 25, 33, 25,
     35, 33, 45, 33,
-    33, 25, 33, 25
+    26, 25, 33, 25
   ], [
-    32, 30, 40, 38,
+    32, 30, 40, 30,
     30, 28, 38, 28,
     40, 38, 51, 38,
-    38, 28, 38, 28
+    30, 28, 38, 28
   ], [
-    36, 34, 46, 43,
+    36, 34, 46, 34,
     34, 32, 43, 32,
     46, 43, 58, 43,
-    43, 32, 43, 32
+    34, 32, 43, 32
   ]
 ];
 
@@ -644,7 +644,7 @@ fn ipred_y_8x8_ver_right(buf: &mut [u8], stride: usize, ctx: &IPred8Context) {
                         (t[ix - 1] + 2 * t[ix] + t[ix + 1] + 2) >> 2
                     }
                 } else if zvr == -1 {
-                    (l[1] + 2 * l[0] + t[0] + 2) >> 2
+                    (l[1] + 2 * l[0] + t[1] + 2) >> 2
                 } else {
                     let ix = y - 2 * x;
                     (l[ix] + 2 * l[ix - 1] + l[ix - 2] + 2) >> 2
@@ -693,7 +693,7 @@ fn ipred_y_8x8_hor_down(buf: &mut [u8], stride: usize, ctx: &IPred8Context) {
                         (l[ix - 1] + 2 * l[ix] + l[ix + 1] + 2) >> 2
                     }
                 } else if zhd == -1 {
-                    (l[1] + 2 * l[0] + t[0] + 2) >> 2
+                    (l[1] + 2 * l[0] + t[1] + 2) >> 2
                 } else {
                     let ix = x - 2 * y;
                     (t[ix] + 2 * t[ix - 1] + t[ix - 2] + 2) >> 2