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-rw-r--r--vp10/encoder/avg.c230
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diff --git a/vp10/encoder/avg.c b/vp10/encoder/avg.c
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--- a/vp10/encoder/avg.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-#include "./vp10_rtcd.h"
-#include "vp10/common/common.h"
-#include "vpx_ports/mem.h"
-
-unsigned int vp10_avg_8x8_c(const uint8_t *s, int p) {
- int i, j;
- int sum = 0;
- for (i = 0; i < 8; ++i, s+=p)
- for (j = 0; j < 8; sum += s[j], ++j) {}
-
- return (sum + 32) >> 6;
-}
-
-unsigned int vp10_avg_4x4_c(const uint8_t *s, int p) {
- int i, j;
- int sum = 0;
- for (i = 0; i < 4; ++i, s+=p)
- for (j = 0; j < 4; sum += s[j], ++j) {}
-
- return (sum + 8) >> 4;
-}
-
-// src_diff: first pass, 9 bit, dynamic range [-255, 255]
-// second pass, 12 bit, dynamic range [-2040, 2040]
-static void hadamard_col8(const int16_t *src_diff, int src_stride,
- int16_t *coeff) {
- int16_t b0 = src_diff[0 * src_stride] + src_diff[1 * src_stride];
- int16_t b1 = src_diff[0 * src_stride] - src_diff[1 * src_stride];
- int16_t b2 = src_diff[2 * src_stride] + src_diff[3 * src_stride];
- int16_t b3 = src_diff[2 * src_stride] - src_diff[3 * src_stride];
- int16_t b4 = src_diff[4 * src_stride] + src_diff[5 * src_stride];
- int16_t b5 = src_diff[4 * src_stride] - src_diff[5 * src_stride];
- int16_t b6 = src_diff[6 * src_stride] + src_diff[7 * src_stride];
- int16_t b7 = src_diff[6 * src_stride] - src_diff[7 * src_stride];
-
- int16_t c0 = b0 + b2;
- int16_t c1 = b1 + b3;
- int16_t c2 = b0 - b2;
- int16_t c3 = b1 - b3;
- int16_t c4 = b4 + b6;
- int16_t c5 = b5 + b7;
- int16_t c6 = b4 - b6;
- int16_t c7 = b5 - b7;
-
- coeff[0] = c0 + c4;
- coeff[7] = c1 + c5;
- coeff[3] = c2 + c6;
- coeff[4] = c3 + c7;
- coeff[2] = c0 - c4;
- coeff[6] = c1 - c5;
- coeff[1] = c2 - c6;
- coeff[5] = c3 - c7;
-}
-
-void vp10_hadamard_8x8_c(int16_t const *src_diff, int src_stride,
- int16_t *coeff) {
- int idx;
- int16_t buffer[64];
- int16_t *tmp_buf = &buffer[0];
- for (idx = 0; idx < 8; ++idx) {
- hadamard_col8(src_diff, src_stride, tmp_buf); // src_diff: 9 bit
- // dynamic range [-255, 255]
- tmp_buf += 8;
- ++src_diff;
- }
-
- tmp_buf = &buffer[0];
- for (idx = 0; idx < 8; ++idx) {
- hadamard_col8(tmp_buf, 8, coeff); // tmp_buf: 12 bit
- // dynamic range [-2040, 2040]
- coeff += 8; // coeff: 15 bit
- // dynamic range [-16320, 16320]
- ++tmp_buf;
- }
-}
-
-// In place 16x16 2D Hadamard transform
-void vp10_hadamard_16x16_c(int16_t const *src_diff, int src_stride,
- int16_t *coeff) {
- int idx;
- for (idx = 0; idx < 4; ++idx) {
- // src_diff: 9 bit, dynamic range [-255, 255]
- int16_t const *src_ptr = src_diff + (idx >> 1) * 8 * src_stride
- + (idx & 0x01) * 8;
- vp10_hadamard_8x8_c(src_ptr, src_stride, coeff + idx * 64);
- }
-
- // coeff: 15 bit, dynamic range [-16320, 16320]
- for (idx = 0; idx < 64; ++idx) {
- int16_t a0 = coeff[0];
- int16_t a1 = coeff[64];
- int16_t a2 = coeff[128];
- int16_t a3 = coeff[192];
-
- int16_t b0 = (a0 + a1) >> 1; // (a0 + a1): 16 bit, [-32640, 32640]
- int16_t b1 = (a0 - a1) >> 1; // b0-b3: 15 bit, dynamic range
- int16_t b2 = (a2 + a3) >> 1; // [-16320, 16320]
- int16_t b3 = (a2 - a3) >> 1;
-
- coeff[0] = b0 + b2; // 16 bit, [-32640, 32640]
- coeff[64] = b1 + b3;
- coeff[128] = b0 - b2;
- coeff[192] = b1 - b3;
-
- ++coeff;
- }
-}
-
-// coeff: 16 bits, dynamic range [-32640, 32640].
-// length: value range {16, 64, 256, 1024}.
-int16_t vp10_satd_c(const int16_t *coeff, int length) {
- int i;
- int satd = 0;
- for (i = 0; i < length; ++i)
- satd += abs(coeff[i]);
-
- // satd: 26 bits, dynamic range [-32640 * 1024, 32640 * 1024]
- return (int16_t)satd;
-}
-
-// Integer projection onto row vectors.
-// height: value range {16, 32, 64}.
-void vp10_int_pro_row_c(int16_t hbuf[16], uint8_t const *ref,
- const int ref_stride, const int height) {
- int idx;
- const int norm_factor = height >> 1;
- for (idx = 0; idx < 16; ++idx) {
- int i;
- hbuf[idx] = 0;
- // hbuf[idx]: 14 bit, dynamic range [0, 16320].
- for (i = 0; i < height; ++i)
- hbuf[idx] += ref[i * ref_stride];
- // hbuf[idx]: 9 bit, dynamic range [0, 510].
- hbuf[idx] /= norm_factor;
- ++ref;
- }
-}
-
-// width: value range {16, 32, 64}.
-int16_t vp10_int_pro_col_c(uint8_t const *ref, const int width) {
- int idx;
- int16_t sum = 0;
- // sum: 14 bit, dynamic range [0, 16320]
- for (idx = 0; idx < width; ++idx)
- sum += ref[idx];
- return sum;
-}
-
-// ref: [0 - 510]
-// src: [0 - 510]
-// bwl: {2, 3, 4}
-int vp10_vector_var_c(int16_t const *ref, int16_t const *src,
- const int bwl) {
- int i;
- int width = 4 << bwl;
- int sse = 0, mean = 0, var;
-
- for (i = 0; i < width; ++i) {
- int diff = ref[i] - src[i]; // diff: dynamic range [-510, 510], 10 bits.
- mean += diff; // mean: dynamic range 16 bits.
- sse += diff * diff; // sse: dynamic range 26 bits.
- }
-
- // (mean * mean): dynamic range 31 bits.
- var = sse - ((mean * mean) >> (bwl + 2));
- return var;
-}
-
-void vp10_minmax_8x8_c(const uint8_t *s, int p, const uint8_t *d, int dp,
- int *min, int *max) {
- int i, j;
- *min = 255;
- *max = 0;
- for (i = 0; i < 8; ++i, s += p, d += dp) {
- for (j = 0; j < 8; ++j) {
- int diff = abs(s[j]-d[j]);
- *min = diff < *min ? diff : *min;
- *max = diff > *max ? diff : *max;
- }
- }
-}
-
-#if CONFIG_VP9_HIGHBITDEPTH
-unsigned int vp10_highbd_avg_8x8_c(const uint8_t *s8, int p) {
- int i, j;
- int sum = 0;
- const uint16_t* s = CONVERT_TO_SHORTPTR(s8);
- for (i = 0; i < 8; ++i, s+=p)
- for (j = 0; j < 8; sum += s[j], ++j) {}
-
- return (sum + 32) >> 6;
-}
-
-unsigned int vp10_highbd_avg_4x4_c(const uint8_t *s8, int p) {
- int i, j;
- int sum = 0;
- const uint16_t* s = CONVERT_TO_SHORTPTR(s8);
- for (i = 0; i < 4; ++i, s+=p)
- for (j = 0; j < 4; sum += s[j], ++j) {}
-
- return (sum + 8) >> 4;
-}
-
-void vp10_highbd_minmax_8x8_c(const uint8_t *s8, int p, const uint8_t *d8,
- int dp, int *min, int *max) {
- int i, j;
- const uint16_t* s = CONVERT_TO_SHORTPTR(s8);
- const uint16_t* d = CONVERT_TO_SHORTPTR(d8);
- *min = 255;
- *max = 0;
- for (i = 0; i < 8; ++i, s += p, d += dp) {
- for (j = 0; j < 8; ++j) {
- int diff = abs(s[j]-d[j]);
- *min = diff < *min ? diff : *min;
- *max = diff > *max ? diff : *max;
- }
- }
-}
-#endif // CONFIG_VP9_HIGHBITDEPTH
-
-
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