summaryrefslogtreecommitdiffstats
path: root/media/libvpx/vp8/common/reconintra4x4.h
diff options
context:
space:
mode:
Diffstat (limited to 'media/libvpx/vp8/common/reconintra4x4.h')
-rw-r--r--media/libvpx/vp8/common/reconintra4x4.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/reconintra4x4.h b/media/libvpx/vp8/common/reconintra4x4.h
new file mode 100644
index 000000000..ed59c9edd
--- /dev/null
+++ b/media/libvpx/vp8/common/reconintra4x4.h
@@ -0,0 +1,40 @@
+/*
+ * 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.
+ */
+
+
+#ifndef VP8_COMMON_RECONINTRA4X4_H_
+#define VP8_COMMON_RECONINTRA4X4_H_
+#include "vp8/common/blockd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static void intra_prediction_down_copy(MACROBLOCKD *xd,
+ unsigned char *above_right_src)
+{
+ int dst_stride = xd->dst.y_stride;
+ unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;
+
+ unsigned int *src_ptr = (unsigned int *)above_right_src;
+ unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride);
+ unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride);
+ unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride);
+
+ *dst_ptr0 = *src_ptr;
+ *dst_ptr1 = *src_ptr;
+ *dst_ptr2 = *src_ptr;
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP8_COMMON_RECONINTRA4X4_H_