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Diffstat (limited to 'media/libvpx/vp8/common/swapyv12buffer.c')
-rw-r--r--media/libvpx/vp8/common/swapyv12buffer.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/swapyv12buffer.c b/media/libvpx/vp8/common/swapyv12buffer.c
new file mode 100644
index 000000000..73656b3d7
--- /dev/null
+++ b/media/libvpx/vp8/common/swapyv12buffer.c
@@ -0,0 +1,34 @@
+/*
+ * 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 "swapyv12buffer.h"
+
+void vp8_swap_yv12_buffer(YV12_BUFFER_CONFIG *new_frame, YV12_BUFFER_CONFIG *last_frame)
+{
+ unsigned char *temp;
+
+ temp = last_frame->buffer_alloc;
+ last_frame->buffer_alloc = new_frame->buffer_alloc;
+ new_frame->buffer_alloc = temp;
+
+ temp = last_frame->y_buffer;
+ last_frame->y_buffer = new_frame->y_buffer;
+ new_frame->y_buffer = temp;
+
+ temp = last_frame->u_buffer;
+ last_frame->u_buffer = new_frame->u_buffer;
+ new_frame->u_buffer = temp;
+
+ temp = last_frame->v_buffer;
+ last_frame->v_buffer = new_frame->v_buffer;
+ new_frame->v_buffer = temp;
+
+}