Update libvpx snapshot to v0.9.7-p1 (Cayuga).

source/libvpx/vpx/vp8cx.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.
  */
 
 
 /*!\defgroup vp8_encoder WebM VP8 Encoder
  * \ingroup vp8
  *
  * @{
  */
 #include "vp8.h"
 
 /*!\file
  * \brief Provides definitions for using the VP8 encoder algorithm within the
  *        vpx Codec Interface.
  */
 #ifndef VP8CX_H
 #define VP8CX_H
-#include "vpx/vpx_codec_impl_top.h"
+#include "vpx_codec_impl_top.h"
 
 /*!\name Algorithm interface for VP8
  *
  * This interface provides the capability to encode raw VP8 streams, as would
  * be found in AVI files.
  * @{
  */
 extern vpx_codec_iface_t  vpx_codec_vp8_cx_algo;
 extern vpx_codec_iface_t* vpx_codec_vp8_cx(void);
 /*!@} - end algorithm interface member group*/
@@ skipping 95 matching lines @@
     VP8E_SET_SCALEMODE         = 11, /**< control function to set encoder scaling mode */
     /*!\brief control function to set vp8 encoder cpuused
      *
      * Changes in this value influences, among others, the encoder's selection
      * of motion estimation methods. Values greater than 0 will increase encoder
      * speed at the expense of quality.
      * The full set of adjustments can be found in
      * onyx_if.c:vp8_set_speed_features().
      * \todo List highlights of the changes at various levels.
      *
-     * \note Valid range: -16..16 or {-16..-4, 4..16} w/CONFIG_REALTIME_ONLY
+     * \note Valid range: -16..16
      */
     VP8E_SET_CPUUSED           = 13,
     VP8E_SET_ENABLEAUTOALTREF,       /**< control function to enable vp8 to automatic set and use altref frame */
     VP8E_SET_NOISE_SENSITIVITY,      /**< control function to set noise sensitivity */
     VP8E_SET_SHARPNESS,              /**< control function to set sharpness */
     VP8E_SET_STATIC_THRESHOLD,       /**< control function to set the threshold for macroblocks treated static */
     VP8E_SET_TOKEN_PARTITIONS,       /**< control function to set the number of token partitions  */
     VP8E_GET_LAST_QUANTIZER,         /**< return the quantizer chosen by the
                                           encoder for the last frame using the internal
                                           scale */
     VP8E_GET_LAST_QUANTIZER_64,      /**< return the quantizer chosen by the
                                           encoder for the last frame, using the 0..63
                                           scale as used by the rc_*_quantizer config
                                           parameters */
     VP8E_SET_ARNR_MAXFRAMES,         /**< control function to set the max number of frames blurred creating arf*/
     VP8E_SET_ARNR_STRENGTH ,         /**< control function to set the filter strength for the arf */
     VP8E_SET_ARNR_TYPE     ,         /**< control function to set the type of filter to use for the arf*/
     VP8E_SET_TUNING,                 /**< control function to set visual tuning */
     /*!\brief control function to set constrained quality level
      *
      * \attention For this value to be used vpx_codec_enc_cfg_t::g_usage must be
      *            set to #VPX_CQ.
      * \note Valid range: 0..63
      */
     VP8E_SET_CQ_LEVEL,
+
+    /*!\brief Max data rate for Intra frames
+     *
+     * This value controls additional clamping on the maximum size of a
+     * keyframe. It is expressed as a percentage of the average
+     * per-frame bitrate, with the special (and default) value 0 meaning
+     * unlimited, or no additional clamping beyond the codec's built-in
+     * algorithm.
+     *
+     * For example, to allocate no more than 4.5 frames worth of bitrate
+     * to a keyframe, set this to 450.
+     *
+     */
+    VP8E_SET_MAX_INTRA_BITRATE_PCT,
 };
 
 /*!\brief vpx 1-D scaling mode
  *
  * This set of constants define 1-D vpx scaling modes
  */
 typedef enum vpx_scaling_mode_1d
 {
     VP8E_NORMAL      = 0,
     VP8E_FOURFIVE    = 1,
@@ skipping 111 matching lines @@
 
 VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_MAXFRAMES,     unsigned int)
 VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_STRENGTH ,     unsigned int)
 VPX_CTRL_USE_TYPE(VP8E_SET_ARNR_TYPE     ,     unsigned int)
 VPX_CTRL_USE_TYPE(VP8E_SET_TUNING,             vp8e_tuning)
 VPX_CTRL_USE_TYPE(VP8E_SET_CQ_LEVEL     ,      unsigned int)
 
 VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER,     int *)
 VPX_CTRL_USE_TYPE(VP8E_GET_LAST_QUANTIZER_64,  int *)
 
+VPX_CTRL_USE_TYPE(VP8E_SET_MAX_INTRA_BITRATE_PCT, unsigned int)
+
+
 /*! @} - end defgroup vp8_encoder */
-#include "vpx/vpx_codec_impl_bottom.h"
+#include "vpx_codec_impl_bottom.h"
 #endif