From 0861862b897ade9e62064f532f3b0a957ee7a0d8 Mon Sep 17 00:00:00 2001
From: wang-bin <wbsecg1@gmail.com>
Date: Tue, 29 Sep 2015 18:11:03 +0800
Subject: winrt: multithreading support

_beginthreadex is for desktop only. CreateThread is available for windows store apps on windows (and phone) 8.1 and later. http://msdn.microsoft.com/en-us/library/ms682453%28VS.85%29.aspx

Signed-off-by: Matt Oliver <protogonoi@gmail.com>
---
 libavutil/cpu.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'libavutil')

diff --git a/libavutil/cpu.c b/libavutil/cpu.c
index 780368d69e..c64baf9324 100644
--- a/libavutil/cpu.c
+++ b/libavutil/cpu.c
@@ -30,7 +30,7 @@
 #endif
 #include <sched.h>
 #endif
-#if HAVE_GETPROCESSAFFINITYMASK
+#if HAVE_GETPROCESSAFFINITYMASK || HAVE_WINRT
 #include <windows.h>
 #endif
 #if HAVE_SYSCTL
@@ -253,6 +253,9 @@ int av_cpu_count(void)
     static volatile int printed;
 
     int nb_cpus = 1;
+#if HAVE_WINRT
+    SYSTEM_INFO sysinfo;
+#endif
 #if HAVE_SCHED_GETAFFINITY && defined(CPU_COUNT)
     cpu_set_t cpuset;
 
@@ -274,6 +277,9 @@ int av_cpu_count(void)
     nb_cpus = sysconf(_SC_NPROC_ONLN);
 #elif HAVE_SYSCONF && defined(_SC_NPROCESSORS_ONLN)
     nb_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+#elif HAVE_WINRT
+    GetNativeSystemInfo(&sysinfo);
+    nb_cpus = sysinfo.dwNumberOfProcessors;
 #endif
 
     if (!printed) {
-- 
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