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

source/libvpx/vp8/common/generic/systemdependent.c

Index: source/libvpx/vp8/common/generic/systemdependent.c
===================================================================
--- source/libvpx/vp8/common/generic/systemdependent.c	(revision 96967)
+++ source/libvpx/vp8/common/generic/systemdependent.c	(working copy)
@@ -17,9 +17,54 @@
 #include "vp8/common/idct.h"
 #include "vp8/common/onyxc_int.h"
 
+#if CONFIG_MULTITHREAD
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#elif defined(_WIN32)
+#include <windows.h>
+typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
+#endif
+#endif
+
 extern void vp8_arch_x86_common_init(VP8_COMMON *ctx);
 extern void vp8_arch_arm_common_init(VP8_COMMON *ctx);
 
+#if CONFIG_MULTITHREAD
+static int get_cpu_count()
+{
+    int core_count = 16;
+
+#if HAVE_UNISTD_H
+#if defined(_SC_NPROCESSORS_ONLN)
+    core_count = sysconf(_SC_NPROCESSORS_ONLN);
+#elif defined(_SC_NPROC_ONLN)
+    core_count = sysconf(_SC_NPROC_ONLN);
+#endif
+#elif defined(_WIN32)
+    {
+        PGNSI pGNSI;
+        SYSTEM_INFO sysinfo;
+
+        /* Call GetNativeSystemInfo if supported or
+         * GetSystemInfo otherwise. */
+
+        pGNSI = (PGNSI) GetProcAddress(
+                GetModuleHandle(TEXT("kernel32.dll")), "GetNativeSystemInfo");
+        if (pGNSI != NULL)
+            pGNSI(&sysinfo);
+        else
+            GetSystemInfo(&sysinfo);
+
+        core_count = sysinfo.dwNumberOfProcessors;
+    }
+#else
+    /* other platforms */
+#endif
+
+    return core_count > 0 ? core_count : 1;
+}
+#endif
+
 void vp8_machine_specific_config(VP8_COMMON *ctx)
 {
 #if CONFIG_RUNTIME_CPU_DETECT
@@ -43,6 +88,12 @@
         vp8_build_intra_predictors_mby;
     rtcd->recon.build_intra_predictors_mby_s =
         vp8_build_intra_predictors_mby_s;
+    rtcd->recon.build_intra_predictors_mbuv =
+        vp8_build_intra_predictors_mbuv;
+    rtcd->recon.build_intra_predictors_mbuv_s =
+        vp8_build_intra_predictors_mbuv_s;
+    rtcd->recon.intra4x4_predict =
+        vp8_intra4x4_predict;
 
     rtcd->subpix.sixtap16x16   = vp8_sixtap_predict16x16_c;
     rtcd->subpix.sixtap8x8     = vp8_sixtap_predict8x8_c;
@@ -57,12 +108,12 @@
     rtcd->loopfilter.normal_b_v  = vp8_loop_filter_bv_c;
     rtcd->loopfilter.normal_mb_h = vp8_loop_filter_mbh_c;
     rtcd->loopfilter.normal_b_h  = vp8_loop_filter_bh_c;
-    rtcd->loopfilter.simple_mb_v = vp8_loop_filter_mbvs_c;
+    rtcd->loopfilter.simple_mb_v = vp8_loop_filter_simple_vertical_edge_c;
     rtcd->loopfilter.simple_b_v  = vp8_loop_filter_bvs_c;
-    rtcd->loopfilter.simple_mb_h = vp8_loop_filter_mbhs_c;
+    rtcd->loopfilter.simple_mb_h = vp8_loop_filter_simple_horizontal_edge_c;
     rtcd->loopfilter.simple_b_h  = vp8_loop_filter_bhs_c;
 
-#if CONFIG_POSTPROC || (CONFIG_VP8_ENCODER && CONFIG_PSNR)
+#if CONFIG_POSTPROC || (CONFIG_VP8_ENCODER && CONFIG_INTERNAL_STATS)
     rtcd->postproc.down             = vp8_mbpost_proc_down_c;
     rtcd->postproc.across           = vp8_mbpost_proc_across_ip_c;
     rtcd->postproc.downacross       = vp8_post_proc_down_and_across_c;
@@ -82,4 +133,7 @@
     vp8_arch_arm_common_init(ctx);
 #endif
 
+#if CONFIG_MULTITHREAD
+    ctx->processor_core_count = get_cpu_count();
+#endif /* CONFIG_MULTITHREAD */
 }