libvpx: Add VP9 decoder.

source/libvpx/vp9/common/vp9_postproc.h

+/*
+ *  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 VP9_COMMON_VP9_POSTPROC_H_
+#define VP9_COMMON_VP9_POSTPROC_H_
+
+#include "vpx_ports/mem.h"
+struct postproc_state {
+  int           last_q;
+  int           last_noise;
+  char          noise[3072];
+  DECLARE_ALIGNED(16, char, blackclamp[16]);
+  DECLARE_ALIGNED(16, char, whiteclamp[16]);
+  DECLARE_ALIGNED(16, char, bothclamp[16]);
+};
+#include "vp9/common/vp9_onyxc_int.h"
+#include "vp9/common/vp9_ppflags.h"
+int vp9_post_proc_frame(struct VP9Common *oci, YV12_BUFFER_CONFIG *dest,
+                        vp9_ppflags_t *flags);
+
+
+void vp9_de_noise(YV12_BUFFER_CONFIG         *source,
+                  YV12_BUFFER_CONFIG         *post,
+                  int                         q,
+                  int                         low_var_thresh,
+                  int                         flag);
+
+void vp9_deblock(YV12_BUFFER_CONFIG         *source,
+                 YV12_BUFFER_CONFIG         *post,
+                 int                         q,
+                 int                         low_var_thresh,
+                 int                         flag);
+#endif