Reduce table size

Change-Id: If6a6aad09d5773f8858d7c163c15e9fcefccc9cb

av1/common/txb_common.c

@@ -12,17 +12,17 @@
 #include "av1/common/onyxc_int.h"
 #include "av1/common/txb_common.h"
 
-const int16_t av1_coeff_band_4x4[16] = { 0, 1, 2,  3,  4,  5,  6,  7,
-                                         8, 9, 10, 11, 12, 13, 14, 15 };
+const int8_t av1_coeff_band_4x4[16] = { 0, 1, 2,  3,  4,  5,  6,  7,
+                                        8, 9, 10, 11, 12, 13, 14, 15 };
 
-const int16_t av1_coeff_band_8x8[64] = {
+const int8_t av1_coeff_band_8x8[64] = {
   0,  1,  2,  2,  3,  3,  4,  4,  5,  6,  2,  2,  3,  3,  4,  4,
   7,  7,  8,  8,  9,  9,  10, 10, 7,  7,  8,  8,  9,  9,  10, 10,
   11, 11, 12, 12, 13, 13, 14, 14, 11, 11, 12, 12, 13, 13, 14, 14,
   15, 15, 16, 16, 17, 17, 18, 18, 15, 15, 16, 16, 17, 17, 18, 18,
 };
 
-const int16_t av1_coeff_band_16x16[256] = {
+const int8_t av1_coeff_band_16x16[256] = {
   0,  1,  4,  4,  7,  7,  7,  7,  8,  8,  8,  8,  9,  9,  9,  9,  2,  3,  4,
   4,  7,  7,  7,  7,  8,  8,  8,  8,  9,  9,  9,  9,  5,  5,  6,  6,  7,  7,
   7,  7,  8,  8,  8,  8,  9,  9,  9,  9,  5,  5,  6,  6,  7,  7,  7,  7,  8,
@@ -39,7 +39,7 @@ const int16_t av1_coeff_band_16x16[256] = {
   19, 20, 20, 20, 20, 21, 21, 21, 21,
 };
 
-const int16_t av1_coeff_band_32x32[1024] = {
+const int8_t av1_coeff_band_32x32[1024] = {
   0,  1,  4,  4,  7,  7,  7,  7,  10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11,
   11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 2,  3,  4,  4,  7,  7,
   7,  7,  10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12,

av1/common/txb_common.h

@@ -17,13 +17,13 @@ extern const int16_t k_eob_offset_bits[12];
 int16_t get_eob_pos_token(int eob, int16_t *extra);
 int av1_get_eob_pos_ctx(TX_TYPE tx_type, int eob_token);
 
-extern const int16_t av1_coeff_band_4x4[16];
+extern const int8_t av1_coeff_band_4x4[16];
 
-extern const int16_t av1_coeff_band_8x8[64];
+extern const int8_t av1_coeff_band_8x8[64];
 
-extern const int16_t av1_coeff_band_16x16[256];
+extern const int8_t av1_coeff_band_16x16[256];
 
-extern const int16_t av1_coeff_band_32x32[1024];
+extern const int8_t av1_coeff_band_32x32[1024];
 
 typedef struct txb_ctx {
   int txb_skip_ctx;