1 files changed, 96 insertions, 0 deletions
diff --git a/libvpx/vp8/common/arm/neon/idct_blk_neon.c b/libvpx/vp8/common/arm/neon/idct_blk_neon.c
new file mode 100644
index 0000000..ee7f223
--- /dev/null
+++ b/libvpx/vp8/common/arm/neon/idct_blk_neon.c
@@ -0,0 +1,96 @@
+/*
+ *  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 "vpx_rtcd.h"
+
+/* place these declarations here because we don't want to maintain them
+ * outside of this scope
+ */
+void idct_dequant_full_2x_neon(short *q, short *dq,
+                               unsigned char *dst, int stride);
+void idct_dequant_0_2x_neon(short *q, short dq,
+                            unsigned char *dst, int stride);
+
+
+void vp8_dequant_idct_add_y_block_neon(short *q, short *dq,
+                                       unsigned char *dst,
+                                       int stride, char *eobs)
+{
+    int i;
+
+    for (i = 0; i < 4; i++)
+    {
+        if (((short *)(eobs))[0])
+        {
+            if (((short *)eobs)[0] & 0xfefe)
+                idct_dequant_full_2x_neon (q, dq, dst, stride);
+            else
+                idct_dequant_0_2x_neon (q, dq[0], dst, stride);
+        }
+
+        if (((short *)(eobs))[1])
+        {
+            if (((short *)eobs)[1] & 0xfefe)
+                idct_dequant_full_2x_neon (q+32, dq, dst+8, stride);
+            else
+                idct_dequant_0_2x_neon (q+32, dq[0], dst+8, stride);
+        }
+        q    += 64;
+        dst  += 4*stride;
+        eobs += 4;
+    }
+}
+
+void vp8_dequant_idct_add_uv_block_neon(short *q, short *dq,
+                                        unsigned char *dstu,
+                                        unsigned char *dstv,
+                                        int stride, char *eobs)
+{
+    if (((short *)(eobs))[0])
+    {
+        if (((short *)eobs)[0] & 0xfefe)
+            idct_dequant_full_2x_neon (q, dq, dstu, stride);
+        else
+            idct_dequant_0_2x_neon (q, dq[0], dstu, stride);
+    }
+
+    q    += 32;
+    dstu += 4*stride;
+
+    if (((short *)(eobs))[1])
+    {
+        if (((short *)eobs)[1] & 0xfefe)
+            idct_dequant_full_2x_neon (q, dq, dstu, stride);
+        else
+            idct_dequant_0_2x_neon (q, dq[0], dstu, stride);
+    }
+
+    q += 32;
+
+    if (((short *)(eobs))[2])
+    {
+        if (((short *)eobs)[2] & 0xfefe)
+            idct_dequant_full_2x_neon (q, dq, dstv, stride);
+        else
+            idct_dequant_0_2x_neon (q, dq[0], dstv, stride);
+    }
+
+    q    += 32;
+    dstv += 4*stride;
+
+    if (((short *)(eobs))[3])
+    {
+        if (((short *)eobs)[3] & 0xfefe)
+            idct_dequant_full_2x_neon (q, dq, dstv, stride);
+        else
+            idct_dequant_0_2x_neon (q, dq[0], dstv, stride);
+    }
+}