libvpx: Add VP9 decoder.

source/libvpx/vp9/common/vp9_ppflags.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_PPFLAGS_H_
+#define VP9_COMMON_VP9_PPFLAGS_H_
+enum {
+  VP9D_NOFILTERING            = 0,
+  VP9D_DEBLOCK                = 1 << 0,
+  VP9D_DEMACROBLOCK           = 1 << 1,
+  VP9D_ADDNOISE               = 1 << 2,
+  VP9D_DEBUG_TXT_FRAME_INFO   = 1 << 3,
+  VP9D_DEBUG_TXT_MBLK_MODES   = 1 << 4,
+  VP9D_DEBUG_TXT_DC_DIFF      = 1 << 5,
+  VP9D_DEBUG_TXT_RATE_INFO    = 1 << 6,
+  VP9D_DEBUG_DRAW_MV          = 1 << 7,
+  VP9D_DEBUG_CLR_BLK_MODES    = 1 << 8,
+  VP9D_DEBUG_CLR_FRM_REF_BLKS = 1 << 9
+};
+
+typedef struct {
+  int post_proc_flag;
+  int deblocking_level;
+  int noise_level;
+  int display_ref_frame_flag;
+  int display_mb_modes_flag;
+  int display_b_modes_flag;
+  int display_mv_flag;
+} vp9_ppflags_t;
+
+#endif