add libvpx 89cc6825 (matching current chrome canary) from repo https://chromium.googlesource.com/webm/libvpx

libs/libvpx/test/i420_video_source.h

@@ -0,0 +1,36 @@
+/*
+ *  Copyright (c) 2012 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 TEST_I420_VIDEO_SOURCE_H_
+#define TEST_I420_VIDEO_SOURCE_H_
+#include <cstdio>
+#include <cstdlib>
+#include <string>
+
+#include "test/yuv_video_source.h"
+
+namespace libvpx_test {
+
+// This class extends VideoSource to allow parsing of raw yv12
+// so that we can do actual file encodes.
+class I420VideoSource : public YUVVideoSource {
+ public:
+  I420VideoSource(const std::string &file_name,
+                  unsigned int width, unsigned int height,
+                  int rate_numerator, int rate_denominator,
+                  unsigned int start, int limit)
+      : YUVVideoSource(file_name, VPX_IMG_FMT_I420,
+                       width, height,
+                       rate_numerator, rate_denominator,
+                       start, limit) {}
+};
+
+}  // namespace libvpx_test
+
+#endif  // TEST_I420_VIDEO_SOURCE_H_