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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libvpx/vpx_dsp/sad.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vpx_dsp/sad.c')
-rw-r--r--media/libvpx/vpx_dsp/sad.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/media/libvpx/vpx_dsp/sad.c b/media/libvpx/vpx_dsp/sad.c
new file mode 100644
index 000000000..c0c3ff996
--- /dev/null
+++ b/media/libvpx/vpx_dsp/sad.c
@@ -0,0 +1,318 @@
+/*
+ * Copyright (c) 2015 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 <stdlib.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+
+#include "vpx/vpx_integer.h"
+#include "vpx_ports/mem.h"
+
+/* Sum the difference between every corresponding element of the buffers. */
+static INLINE unsigned int sad(const uint8_t *a, int a_stride,
+ const uint8_t *b, int b_stride,
+ int width, int height) {
+ int y, x;
+ unsigned int sad = 0;
+
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++)
+ sad += abs(a[x] - b[x]);
+
+ a += a_stride;
+ b += b_stride;
+ }
+ return sad;
+}
+
+// TODO(johannkoenig): this moved to vpx_dsp, should be able to clean this up.
+/* Remove dependency on vp9 variance function by duplicating vp9_comp_avg_pred.
+ * The function averages every corresponding element of the buffers and stores
+ * the value in a third buffer, comp_pred.
+ * pred and comp_pred are assumed to have stride = width
+ * In the usage below comp_pred is a local array.
+ */
+static INLINE void avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
+ int height, const uint8_t *ref, int ref_stride) {
+ int i, j;
+
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++) {
+ const int tmp = pred[j] + ref[j];
+ comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+ }
+ comp_pred += width;
+ pred += width;
+ ref += ref_stride;
+ }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE void highbd_avg_pred(uint16_t *comp_pred, const uint8_t *pred8,
+ int width, int height, const uint8_t *ref8,
+ int ref_stride) {
+ int i, j;
+ uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++) {
+ const int tmp = pred[j] + ref[j];
+ comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
+ }
+ comp_pred += width;
+ pred += width;
+ ref += ref_stride;
+ }
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+#define sadMxN(m, n) \
+unsigned int vpx_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
+ const uint8_t *ref, int ref_stride) { \
+ return sad(src, src_stride, ref, ref_stride, m, n); \
+} \
+unsigned int vpx_sad##m##x##n##_avg_c(const uint8_t *src, int src_stride, \
+ const uint8_t *ref, int ref_stride, \
+ const uint8_t *second_pred) { \
+ uint8_t comp_pred[m * n]; \
+ avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
+ return sad(src, src_stride, comp_pred, m, m, n); \
+}
+
+// depending on call sites, pass **ref_array to avoid & in subsequent call and
+// de-dup with 4D below.
+#define sadMxNxK(m, n, k) \
+void vpx_sad##m##x##n##x##k##_c(const uint8_t *src, int src_stride, \
+ const uint8_t *ref_array, int ref_stride, \
+ uint32_t *sad_array) { \
+ int i; \
+ for (i = 0; i < k; ++i) \
+ sad_array[i] = vpx_sad##m##x##n##_c(src, src_stride, &ref_array[i], ref_stride); \
+}
+
+// This appears to be equivalent to the above when k == 4 and refs is const
+#define sadMxNx4D(m, n) \
+void vpx_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
+ const uint8_t *const ref_array[], int ref_stride, \
+ uint32_t *sad_array) { \
+ int i; \
+ for (i = 0; i < 4; ++i) \
+ sad_array[i] = vpx_sad##m##x##n##_c(src, src_stride, ref_array[i], ref_stride); \
+}
+
+// 64x64
+sadMxN(64, 64)
+sadMxNxK(64, 64, 3)
+sadMxNxK(64, 64, 8)
+sadMxNx4D(64, 64)
+
+// 64x32
+sadMxN(64, 32)
+sadMxNx4D(64, 32)
+
+// 32x64
+sadMxN(32, 64)
+sadMxNx4D(32, 64)
+
+// 32x32
+sadMxN(32, 32)
+sadMxNxK(32, 32, 3)
+sadMxNxK(32, 32, 8)
+sadMxNx4D(32, 32)
+
+// 32x16
+sadMxN(32, 16)
+sadMxNx4D(32, 16)
+
+// 16x32
+sadMxN(16, 32)
+sadMxNx4D(16, 32)
+
+// 16x16
+sadMxN(16, 16)
+sadMxNxK(16, 16, 3)
+sadMxNxK(16, 16, 8)
+sadMxNx4D(16, 16)
+
+// 16x8
+sadMxN(16, 8)
+sadMxNxK(16, 8, 3)
+sadMxNxK(16, 8, 8)
+sadMxNx4D(16, 8)
+
+// 8x16
+sadMxN(8, 16)
+sadMxNxK(8, 16, 3)
+sadMxNxK(8, 16, 8)
+sadMxNx4D(8, 16)
+
+// 8x8
+sadMxN(8, 8)
+sadMxNxK(8, 8, 3)
+sadMxNxK(8, 8, 8)
+sadMxNx4D(8, 8)
+
+// 8x4
+sadMxN(8, 4)
+sadMxNxK(8, 4, 8)
+sadMxNx4D(8, 4)
+
+// 4x8
+sadMxN(4, 8)
+sadMxNxK(4, 8, 8)
+sadMxNx4D(4, 8)
+
+// 4x4
+sadMxN(4, 4)
+sadMxNxK(4, 4, 3)
+sadMxNxK(4, 4, 8)
+sadMxNx4D(4, 4)
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE unsigned int highbd_sad(const uint8_t *a8, int a_stride,
+ const uint8_t *b8, int b_stride,
+ int width, int height) {
+ int y, x;
+ unsigned int sad = 0;
+ const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
+ const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++)
+ sad += abs(a[x] - b[x]);
+
+ a += a_stride;
+ b += b_stride;
+ }
+ return sad;
+}
+
+static INLINE unsigned int highbd_sadb(const uint8_t *a8, int a_stride,
+ const uint16_t *b, int b_stride,
+ int width, int height) {
+ int y, x;
+ unsigned int sad = 0;
+ const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++)
+ sad += abs(a[x] - b[x]);
+
+ a += a_stride;
+ b += b_stride;
+ }
+ return sad;
+}
+
+#define highbd_sadMxN(m, n) \
+unsigned int vpx_highbd_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
+ const uint8_t *ref, int ref_stride) { \
+ return highbd_sad(src, src_stride, ref, ref_stride, m, n); \
+} \
+unsigned int vpx_highbd_sad##m##x##n##_avg_c(const uint8_t *src, \
+ int src_stride, \
+ const uint8_t *ref, \
+ int ref_stride, \
+ const uint8_t *second_pred) { \
+ uint16_t comp_pred[m * n]; \
+ highbd_avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
+ return highbd_sadb(src, src_stride, comp_pred, m, m, n); \
+}
+
+#define highbd_sadMxNxK(m, n, k) \
+void vpx_highbd_sad##m##x##n##x##k##_c(const uint8_t *src, int src_stride, \
+ const uint8_t *ref_array, int ref_stride, \
+ uint32_t *sad_array) { \
+ int i; \
+ for (i = 0; i < k; ++i) { \
+ sad_array[i] = vpx_highbd_sad##m##x##n##_c(src, src_stride, &ref_array[i], \
+ ref_stride); \
+ } \
+}
+
+#define highbd_sadMxNx4D(m, n) \
+void vpx_highbd_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
+ const uint8_t *const ref_array[], \
+ int ref_stride, uint32_t *sad_array) { \
+ int i; \
+ for (i = 0; i < 4; ++i) { \
+ sad_array[i] = vpx_highbd_sad##m##x##n##_c(src, src_stride, ref_array[i], \
+ ref_stride); \
+ } \
+}
+
+// 64x64
+highbd_sadMxN(64, 64)
+highbd_sadMxNxK(64, 64, 3)
+highbd_sadMxNxK(64, 64, 8)
+highbd_sadMxNx4D(64, 64)
+
+// 64x32
+highbd_sadMxN(64, 32)
+highbd_sadMxNx4D(64, 32)
+
+// 32x64
+highbd_sadMxN(32, 64)
+highbd_sadMxNx4D(32, 64)
+
+// 32x32
+highbd_sadMxN(32, 32)
+highbd_sadMxNxK(32, 32, 3)
+highbd_sadMxNxK(32, 32, 8)
+highbd_sadMxNx4D(32, 32)
+
+// 32x16
+highbd_sadMxN(32, 16)
+highbd_sadMxNx4D(32, 16)
+
+// 16x32
+highbd_sadMxN(16, 32)
+highbd_sadMxNx4D(16, 32)
+
+// 16x16
+highbd_sadMxN(16, 16)
+highbd_sadMxNxK(16, 16, 3)
+highbd_sadMxNxK(16, 16, 8)
+highbd_sadMxNx4D(16, 16)
+
+// 16x8
+highbd_sadMxN(16, 8)
+highbd_sadMxNxK(16, 8, 3)
+highbd_sadMxNxK(16, 8, 8)
+highbd_sadMxNx4D(16, 8)
+
+// 8x16
+highbd_sadMxN(8, 16)
+highbd_sadMxNxK(8, 16, 3)
+highbd_sadMxNxK(8, 16, 8)
+highbd_sadMxNx4D(8, 16)
+
+// 8x8
+highbd_sadMxN(8, 8)
+highbd_sadMxNxK(8, 8, 3)
+highbd_sadMxNxK(8, 8, 8)
+highbd_sadMxNx4D(8, 8)
+
+// 8x4
+highbd_sadMxN(8, 4)
+highbd_sadMxNxK(8, 4, 8)
+highbd_sadMxNx4D(8, 4)
+
+// 4x8
+highbd_sadMxN(4, 8)
+highbd_sadMxNxK(4, 8, 8)
+highbd_sadMxNx4D(4, 8)
+
+// 4x4
+highbd_sadMxN(4, 4)
+highbd_sadMxNxK(4, 4, 3)
+highbd_sadMxNxK(4, 4, 8)
+highbd_sadMxNx4D(4, 4)
+
+#endif // CONFIG_VP9_HIGHBITDEPTH