libvpx: Pull from upstream

source/libvpx/vpx/vpx_codec.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.
  */
 
@@ skipping 185 matching lines @@
    * may reference the 'name' member to get a printable description of the
    * algorithm.
    */
   typedef struct vpx_codec_ctx {
     const char              *name;        /**< Printable interface name */
     vpx_codec_iface_t       *iface;       /**< Interface pointers */
     vpx_codec_err_t          err;         /**< Last returned error */
     const char              *err_detail;  /**< Detailed info, if available */
     vpx_codec_flags_t        init_flags;  /**< Flags passed at init time */
     union {
-      struct vpx_codec_dec_cfg  *dec;   /**< Decoder Configuration Pointer */
-      struct vpx_codec_enc_cfg  *enc;   /**< Encoder Configuration Pointer */
-      void                      *raw;
+      /**< Decoder Configuration Pointer */
+      const struct vpx_codec_dec_cfg *dec;
+      /**< Encoder Configuration Pointer */
+      const struct vpx_codec_enc_cfg *enc;
+      const void                     *raw;
     }                        config;      /**< Configuration pointer aliasing union */
     vpx_codec_priv_t        *priv;        /**< Algorithm private storage */
   } vpx_codec_ctx_t;
 
   /*!\brief Bit depth for codec
    * *
    * This enumeration determines the bit depth of the codec.
    */
   typedef enum vpx_bit_depth {
-    VPX_BITS_8,   /**< 8 bits  */
-    VPX_BITS_10,  /**< 10 bits */
-    VPX_BITS_12   /**< 12 bits */
+    VPX_BITS_8  =  8,  /**<  8 bits */
+    VPX_BITS_10 = 10,  /**< 10 bits */
+    VPX_BITS_12 = 12,  /**< 12 bits */
   } vpx_bit_depth_t;
 
   /*
    * Library Version Number Interface
    *
    * For example, see the following sample return values:
    *     vpx_codec_version()           (1<<16 | 2<<8 | 3)
    *     vpx_codec_version_str()       "v1.2.3-rc1-16-gec6a1ba"
    *     vpx_codec_version_extra_str() "rc1-16-gec6a1ba"
    */
@@ skipping 237 matching lines @@
 
 
 #endif
 
   /*!@} - end defgroup codec*/
 #ifdef __cplusplus
 }
 #endif
 #endif  // VPX_VPX_CODEC_H_