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

source/libvpx/vpx/src/vpx_encoder.c

 /*
  *  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.
  */
 
 
 /*!\file
  * \brief Provides the high level interface to wrap encoder algorithms.
  *
  */
 #include <limits.h>
 #include <string.h>
 #include "vpx/internal/vpx_codec_internal.h"
+#include "vpx_config.h"
 
 #define SAVE_STATUS(ctx,var) (ctx?(ctx->err = var):var)
 
 vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t      *ctx,
                                        vpx_codec_iface_t    *iface,
                                        vpx_codec_enc_cfg_t  *cfg,
                                        vpx_codec_flags_t     flags,
                                        int                   ver)
 {
     vpx_codec_err_t res;
 
     if (ver != VPX_ENCODER_ABI_VERSION)
         res = VPX_CODEC_ABI_MISMATCH;
     else if (!ctx || !iface || !cfg)
         res = VPX_CODEC_INVALID_PARAM;
     else if (iface->abi_version != VPX_CODEC_INTERNAL_ABI_VERSION)
         res = VPX_CODEC_ABI_MISMATCH;
     else if (!(iface->caps & VPX_CODEC_CAP_ENCODER))
         res = VPX_CODEC_INCAPABLE;
     else if ((flags & VPX_CODEC_USE_XMA) && !(iface->caps & VPX_CODEC_CAP_XMA))
         res = VPX_CODEC_INCAPABLE;
     else if ((flags & VPX_CODEC_USE_PSNR)
              && !(iface->caps & VPX_CODEC_CAP_PSNR))
         res = VPX_CODEC_INCAPABLE;
+    else if ((flags & VPX_CODEC_USE_OUTPUT_PARTITION)
+             && !(iface->caps & VPX_CODEC_CAP_OUTPUT_PARTITION))
+        res = VPX_CODEC_INCAPABLE;
     else
     {
         ctx->iface = iface;
         ctx->name = iface->name;
         ctx->priv = NULL;
         ctx->init_flags = flags;
         ctx->config.enc = cfg;
         res = ctx->iface->init(ctx);
 
         if (res)
@@ skipping 250 matching lines @@
 
     pkt = (const void *) * iter;
 
     if ((size_t)(pkt - list->pkts) < list->cnt)
         *iter = pkt + 1;
     else
         pkt = NULL;
 
     return pkt;
 }