summaryrefslogtreecommitdiff
path: root/vp9/common/vp9_recon.c
diff options
context:
space:
mode:
Diffstat (limited to 'vp9/common/vp9_recon.c')
-rw-r--r--vp9/common/vp9_recon.c197
1 files changed, 197 insertions, 0 deletions
diff --git a/vp9/common/vp9_recon.c b/vp9/common/vp9_recon.c
new file mode 100644
index 000000000..9c9029f2a
--- /dev/null
+++ b/vp9/common/vp9_recon.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2010 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 "vpx_ports/config.h"
+#include "vp9_rtcd.h"
+#include "vp9_blockd.h"
+
+void vp9_recon_b_c
+(
+ unsigned char *pred_ptr,
+ short *diff_ptr,
+ unsigned char *dst_ptr,
+ int stride
+) {
+ int r, c;
+
+ for (r = 0; r < 4; r++) {
+ for (c = 0; c < 4; c++) {
+ int a = diff_ptr[c] + pred_ptr[c];
+
+ if (a < 0)
+ a = 0;
+
+ if (a > 255)
+ a = 255;
+
+ dst_ptr[c] = (unsigned char) a;
+ }
+
+ dst_ptr += stride;
+ diff_ptr += 16;
+ pred_ptr += 16;
+ }
+}
+
+void vp9_recon_uv_b_c
+(
+ unsigned char *pred_ptr,
+ short *diff_ptr,
+ unsigned char *dst_ptr,
+ int stride
+) {
+ int r, c;
+
+ for (r = 0; r < 4; r++) {
+ for (c = 0; c < 4; c++) {
+ int a = diff_ptr[c] + pred_ptr[c];
+
+ if (a < 0)
+ a = 0;
+
+ if (a > 255)
+ a = 255;
+
+ dst_ptr[c] = (unsigned char) a;
+ }
+
+ dst_ptr += stride;
+ diff_ptr += 8;
+ pred_ptr += 8;
+ }
+}
+void vp9_recon4b_c
+(
+ unsigned char *pred_ptr,
+ short *diff_ptr,
+ unsigned char *dst_ptr,
+ int stride
+) {
+ int r, c;
+
+ for (r = 0; r < 4; r++) {
+ for (c = 0; c < 16; c++) {
+ int a = diff_ptr[c] + pred_ptr[c];
+
+ if (a < 0)
+ a = 0;
+
+ if (a > 255)
+ a = 255;
+
+ dst_ptr[c] = (unsigned char) a;
+ }
+
+ dst_ptr += stride;
+ diff_ptr += 16;
+ pred_ptr += 16;
+ }
+}
+
+void vp9_recon2b_c
+(
+ unsigned char *pred_ptr,
+ short *diff_ptr,
+ unsigned char *dst_ptr,
+ int stride
+) {
+ int r, c;
+
+ for (r = 0; r < 4; r++) {
+ for (c = 0; c < 8; c++) {
+ int a = diff_ptr[c] + pred_ptr[c];
+
+ if (a < 0)
+ a = 0;
+
+ if (a > 255)
+ a = 255;
+
+ dst_ptr[c] = (unsigned char) a;
+ }
+
+ dst_ptr += stride;
+ diff_ptr += 8;
+ pred_ptr += 8;
+ }
+}
+
+#if CONFIG_SUPERBLOCKS
+void vp9_recon_mby_s_c(MACROBLOCKD *xd, uint8_t *dst) {
+ int x, y;
+ BLOCKD *b = &xd->block[0];
+ int stride = b->dst_stride;
+ short *diff = b->diff;
+
+ for (y = 0; y < 16; y++) {
+ for (x = 0; x < 16; x++) {
+ int a = dst[x] + diff[x];
+ if (a < 0)
+ a = 0;
+ else if (a > 255)
+ a = 255;
+ dst[x] = a;
+ }
+ dst += stride;
+ diff += 16;
+ }
+}
+
+void vp9_recon_mbuv_s_c(MACROBLOCKD *xd, uint8_t *udst, uint8_t *vdst) {
+ int x, y, i;
+ uint8_t *dst = udst;
+
+ for (i = 0; i < 2; i++, dst = vdst) {
+ BLOCKD *b = &xd->block[16 + 4 * i];
+ int stride = b->dst_stride;
+ short *diff = b->diff;
+
+ for (y = 0; y < 8; y++) {
+ for (x = 0; x < 8; x++) {
+ int a = dst[x] + diff[x];
+ if (a < 0)
+ a = 0;
+ else if (a > 255)
+ a = 255;
+ dst[x] = a;
+ }
+ dst += stride;
+ diff += 8;
+ }
+ }
+}
+#endif
+
+void vp9_recon_mby_c(MACROBLOCKD *xd) {
+ int i;
+
+ for (i = 0; i < 16; i += 4) {
+ BLOCKD *b = &xd->block[i];
+
+ vp9_recon4b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ }
+}
+
+void vp9_recon_mb_c(MACROBLOCKD *xd) {
+ int i;
+
+ for (i = 0; i < 16; i += 4) {
+ BLOCKD *b = &xd->block[i];
+
+ vp9_recon4b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ }
+
+ for (i = 16; i < 24; i += 2) {
+ BLOCKD *b = &xd->block[i];
+
+ vp9_recon2b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
+ }
+}