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Change sinpi_{1,2,3,4}_9 from tran_high_t to int16_t

Add "typedef int16_t tran_coef_t;"

BUG=webm:1450

Change-Id: I67866f104898d1dda8989e1abdaf6983fe324154

--- a/vp9/common/arm/neon/vp9_iht4x4_add_neon.c

+++ b/vp9/common/arm/neon/vp9_iht4x4_add_neon.c

@@ -14,14 +14,7 @@

 #include "./vp9_rtcd.h"

 #include "./vpx_config.h"

 #include "vp9/common/vp9_common.h"

-

-static int16_t sinpi_1_9 = 0x14a3;

-static int16_t sinpi_2_9 = 0x26c9;

-static int16_t sinpi_3_9 = 0x3441;

-static int16_t sinpi_4_9 = 0x3b6c;

-static int16_t cospi_8_64 = 0x3b21;

-static int16_t cospi_16_64 = 0x2d41;

-static int16_t cospi_24_64 = 0x187e;

+#include "vpx_dsp/txfm_common.h"

 static INLINE void TRANSPOSE4X4(int16x8_t *q8s16, int16x8_t *q9s16) {

   int32x4_t q8s32, q9s32;

--- a/vp9/encoder/vp9_dct.c

+++ b/vp9/encoder/vp9_dct.c

@@ -246,13 +246,14 @@

     return;

   }

-  s0 = sinpi_1_9 * x0;

-  s1 = sinpi_4_9 * x0;

-  s2 = sinpi_2_9 * x1;

-  s3 = sinpi_1_9 * x1;

-  s4 = sinpi_3_9 * x2;

-  s5 = sinpi_4_9 * x3;

-  s6 = sinpi_2_9 * x3;

+  // 32-bit result is enough for the following multiplications.

+  s0 = sinpi_1_9 * input[0];

+  s1 = sinpi_4_9 * input[0];

+  s2 = sinpi_2_9 * input[1];

+  s3 = sinpi_1_9 * input[1];

+  s4 = sinpi_3_9 * input[2];

+  s5 = sinpi_4_9 * input[3];

+  s6 = sinpi_2_9 * input[3];

   s7 = x0 + x1 - x3;

   x0 = s0 + s2 + s5;

--- a/vpx_dsp/inv_txfm.c

+++ b/vpx_dsp/inv_txfm.c

@@ -105,6 +105,7 @@

     return;

   }

+  // 32-bit result is enough for the following multiplications.

   s0 = sinpi_1_9 * x0;

   s1 = sinpi_2_9 * x0;

   s2 = sinpi_3_9 * x1;

@@ -1390,13 +1391,13 @@

     return;

   }

-  s0 = sinpi_1_9 * x0;

-  s1 = sinpi_2_9 * x0;

-  s2 = sinpi_3_9 * x1;

-  s3 = sinpi_4_9 * x2;

-  s4 = sinpi_1_9 * x2;

-  s5 = sinpi_2_9 * x3;

-  s6 = sinpi_4_9 * x3;

+  s0 = (tran_high_t)sinpi_1_9 * x0;

+  s1 = (tran_high_t)sinpi_2_9 * x0;

+  s2 = (tran_high_t)sinpi_3_9 * x1;

+  s3 = (tran_high_t)sinpi_4_9 * x2;

+  s4 = (tran_high_t)sinpi_1_9 * x2;

+  s5 = (tran_high_t)sinpi_2_9 * x3;

+  s6 = (tran_high_t)sinpi_4_9 * x3;

   s7 = (tran_high_t)HIGHBD_WRAPLOW(x0 - x2 + x3, bd);

   s0 = s0 + s3 + s5;

--- a/vpx_dsp/mips/itrans4_dspr2.c

+++ b/vpx_dsp/mips/itrans4_dspr2.c

@@ -343,6 +343,7 @@

     return;

   }

+  // 32-bit result is enough for the following multiplications.

   s0 = sinpi_1_9 * x0;

   s1 = sinpi_2_9 * x0;

   s2 = sinpi_3_9 * x1;

--- a/vpx_dsp/txfm_common.h

+++ b/vpx_dsp/txfm_common.h

@@ -58,9 +58,9 @@

 static const tran_high_t cospi_31_64 = 804;

 //  16384 * sqrt(2) * sin(kPi/9) * 2 / 3

-static const tran_high_t sinpi_1_9 = 5283;

-static const tran_high_t sinpi_2_9 = 9929;

-static const tran_high_t sinpi_3_9 = 13377;

-static const tran_high_t sinpi_4_9 = 15212;

+static const tran_coef_t sinpi_1_9 = 5283;

+static const tran_coef_t sinpi_2_9 = 9929;

+static const tran_coef_t sinpi_3_9 = 13377;

+static const tran_coef_t sinpi_4_9 = 15212;

 #endif  // VPX_DSP_TXFM_COMMON_H_

--- a/vpx_dsp/vpx_dsp_common.h

+++ b/vpx_dsp/vpx_dsp_common.h

@@ -43,6 +43,8 @@

 typedef int16_t tran_low_t;

 #endif  // CONFIG_VP9_HIGHBITDEPTH

+typedef int16_t tran_coef_t;

+

 static INLINE uint8_t clip_pixel(int val) {

   return (val > 255) ? 255 : (val < 0) ? 0 : val;

 }

-- 

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