libvpx: Pull from upstream

source/libvpx/vpx/vpx_encoder.h

Index: source/libvpx/vpx/vpx_encoder.h
===================================================================
--- source/libvpx/vpx/vpx_encoder.h	(revision 292072)
+++ source/libvpx/vpx/vpx_encoder.h	(working copy)
@@ -163,6 +163,7 @@
     VPX_CODEC_PSNR_PKT,        /**< PSNR statistics for this frame */
 #if CONFIG_SPATIAL_SVC
     VPX_CODEC_SPATIAL_SVC_LAYER_SIZES, /**< Sizes for each layer in this frame*/
+    VPX_CODEC_SPATIAL_SVC_LAYER_PSNR, /**< PSNR for each layer in this frame*/
 #endif
     VPX_CODEC_CUSTOM_PKT = 256 /**< Algorithm extensions  */
   };
@@ -202,6 +203,7 @@
       vpx_fixed_buf_t raw;     /**< data for arbitrary packets */
 #if CONFIG_SPATIAL_SVC
       size_t layer_sizes[VPX_SS_MAX_LAYERS];
+      struct vpx_psnr_pkt layer_psnr[VPX_SS_MAX_LAYERS];
 #endif
 
       /* This packet size is fixed to allow codecs to extend this
@@ -709,7 +711,19 @@
     unsigned int           ts_layer_id[VPX_TS_MAX_PERIODICITY];
   } vpx_codec_enc_cfg_t; /**< alias for struct vpx_codec_enc_cfg */
 
+  /*!\brief  vp9 svc extra configure parameters
+   *
+   * This defines max/min quantizers and scale factors for each layer
+   *
+   */
+  typedef struct vpx_svc_parameters {
+    int max_quantizers[VPX_SS_MAX_LAYERS];
+    int min_quantizers[VPX_SS_MAX_LAYERS];
+    int scaling_factor_num[VPX_SS_MAX_LAYERS];
+    int scaling_factor_den[VPX_SS_MAX_LAYERS];
+  } vpx_svc_extra_cfg_t;
 
+
   /*!\brief Initialize an encoder instance
    *
    * Initializes a encoder context using the given interface. Applications