1 files changed, 72 insertions, 0 deletions
diff --git a/vp8/common/idct_blk.c b/vp8/common/idct_blk.c
new file mode 100644
index 000000000..ebe1774f5
--- /dev/null
+++ b/vp8/common/idct_blk.c
@@ -0,0 +1,72 @@
+/*
+ *  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_config.h"
+#include "vp8_rtcd.h"
+#include "vpx_mem/vpx_mem.h"
+
+void vp8_dequant_idct_add_y_block_c(short *q, short *dq, unsigned char *dst,
+                                    int stride, char *eobs) {
+  int i, j;
+
+  for (i = 0; i < 4; ++i) {
+    for (j = 0; j < 4; ++j) {
+      if (*eobs++ > 1) {
+        vp8_dequant_idct_add_c(q, dq, dst, stride);
+      } else {
+        vp8_dc_only_idct_add_c(q[0] * dq[0], dst, stride, dst, stride);
+        memset(q, 0, 2 * sizeof(q[0]));
+      }
+
+      q += 16;
+      dst += 4;
+    }
+
+    dst += 4 * stride - 16;
+  }
+}
+
+void vp8_dequant_idct_add_uv_block_c(short *q, short *dq, unsigned char *dst_u,
+                                     unsigned char *dst_v, int stride,
+                                     char *eobs) {
+  int i, j;
+
+  for (i = 0; i < 2; ++i) {
+    for (j = 0; j < 2; ++j) {
+      if (*eobs++ > 1) {
+        vp8_dequant_idct_add_c(q, dq, dst_u, stride);
+      } else {
+        vp8_dc_only_idct_add_c(q[0] * dq[0], dst_u, stride, dst_u, stride);
+        memset(q, 0, 2 * sizeof(q[0]));
+      }
+
+      q += 16;
+      dst_u += 4;
+    }
+
+    dst_u += 4 * stride - 8;
+  }
+
+  for (i = 0; i < 2; ++i) {
+    for (j = 0; j < 2; ++j) {
+      if (*eobs++ > 1) {
+        vp8_dequant_idct_add_c(q, dq, dst_v, stride);
+      } else {
+        vp8_dc_only_idct_add_c(q[0] * dq[0], dst_v, stride, dst_v, stride);
+        memset(q, 0, 2 * sizeof(q[0]));
+      }
+
+      q += 16;
+      dst_v += 4;
+    }
+
+    dst_v += 4 * stride - 8;
+  }
+}