libvpx: Pull from upstream

source/libvpx/vpx/vpx_encoder.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 VPX_VPX_ENCODER_H_
@@ skipping 809 matching lines @@
 
 
   /*!\brief Get a default configuration
    *
    * Initializes a encoder configuration structure with default values. Supports
    * the notion of "usages" so that an algorithm may offer different default
    * settings depending on the user's intended goal. This function \ref SHOULD
    * be called by all applications to initialize the configuration structure
    * before specializing the configuration with application specific values.
    *
-   * \param[in]    iface   Pointer to the algorithm interface to use.
-   * \param[out]   cfg     Configuration buffer to populate
-   * \param[in]    usage   End usage. Set to 0 or use codec specific values.
+   * \param[in]    iface     Pointer to the algorithm interface to use.
+   * \param[out]   cfg       Configuration buffer to populate.
+   * \param[in]    reserved  Must set to 0 for VP8 and VP9.
    *
    * \retval #VPX_CODEC_OK
    *     The configuration was populated.
    * \retval #VPX_CODEC_INCAPABLE
    *     Interface is not an encoder interface.
    * \retval #VPX_CODEC_INVALID_PARAM
    *     A parameter was NULL, or the usage value was not recognized.
    */
   vpx_codec_err_t  vpx_codec_enc_config_default(vpx_codec_iface_t    *iface,
                                                 vpx_codec_enc_cfg_t  *cfg,
-                                                unsigned int          usage);
+                                                unsigned int          reserved);
 
 
   /*!\brief Set or change configuration
    *
    * Reconfigures an encoder instance according to the given configuration.
    *
    * \param[in]    ctx     Pointer to this instance's context
    * \param[in]    cfg     Configuration buffer to use
    *
    * \retval #VPX_CODEC_OK
@@ skipping 160 matching lines @@
    */
   const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t   *ctx);
 
 
   /*!@} - end defgroup encoder*/
 #ifdef __cplusplus
 }
 #endif
 #endif  // VPX_VPX_ENCODER_H_