From: Carl Hetherington <cth@carlh.net>
Date: Tue, 23 Jul 2013 16:24:12 +0000 (+0100)
Subject: Merge Windows CPU code from master.
X-Git-Tag: v2.0.48~1337^2~149
X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=commitdiff_plain;h=38cedccdb55e35c8f6b835cfb7405ab2160889e0

Merge Windows CPU code from master.
---

diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 4e3739f57..5ecbedf6e 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -39,6 +39,7 @@ using std::pair;
 using std::list;
 using std::ifstream;
 using std::string;
+using std::wstring;
 using std::make_pair;
 using boost::shared_ptr;
 
@@ -53,12 +54,11 @@ dcpomatic_sleep (int s)
 #endif
 }
 
-/** @return A pair containing CPU model name and the number of processors */
-pair<string, int>
+/** @return A string of CPU information (model name etc.) */
+string
 cpu_info ()
 {
-	pair<string, int> info;
-	info.second = 0;
+	string info;
 	
 #ifdef DCPOMATIC_LINUX
 	ifstream f ("/proc/cpuinfo");
@@ -68,24 +68,48 @@ cpu_info ()
 		if (boost::algorithm::starts_with (l, "model name")) {
 			string::size_type const c = l.find (':');
 			if (c != string::npos) {
-				info.first = l.substr (c + 2);
+				info = l.substr (c + 2);
 			}
-		} else if (boost::algorithm::starts_with (l, "processor")) {
-			++info.second;
 		}
 	}
 #endif
 
 #ifdef DCPOMATIC_OSX
-	size_t N = sizeof (info.second);
-	sysctlbyname ("hw.ncpu", &info.second, &N, 0, 0);
 	char buffer[64];
-	N = sizeof (buffer);
+	size_t N = sizeof (buffer);
 	if (sysctlbyname ("machdep.cpu.brand_string", buffer, &N, 0, 0) == 0) {
-		info.first = buffer;
+		info = buffer;
 	}
 #endif		
 
+#ifdef DCPOMATIC_WINDOWS
+	HKEY key;
+	if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0", 0, KEY_READ, &key) != ERROR_SUCCESS) {
+		return info;
+	}
+
+	DWORD type;
+	DWORD data;
+	if (RegQueryValueEx (key, L"ProcessorNameString", 0, &type, 0, &data) != ERROR_SUCCESS) {
+		return info;
+	}
+
+	if (type != REG_SZ) {
+		return info;
+	}
+
+	wstring value (data / sizeof (wchar_t), L'\0');
+	if (RegQueryValueEx (key, L"ProcessorNameString", 0, 0, reinterpret_cast<LPBYTE> (&value[0]), &data) != ERROR_SUCCESS) {
+		RegCloseKey (key);
+		return info;
+	}
+
+	info = string (value.begin(), value.end());
+	
+	RegCloseKey (key);
+
+#endif	
+	
 	return info;
 }
 
diff --git a/src/lib/cross.h b/src/lib/cross.h
index a00fee679..58fa821c7 100644
--- a/src/lib/cross.h
+++ b/src/lib/cross.h
@@ -26,6 +26,6 @@
 class Log;
 
 void dcpomatic_sleep (int);
-extern std::pair<std::string, int> cpu_info ();
+extern std::string cpu_info ();
 extern void run_ffprobe (boost::filesystem::path, boost::filesystem::path, boost::shared_ptr<Log>);
 extern std::list<std::pair<std::string, std::string> > mount_info ();
diff --git a/src/lib/film.cc b/src/lib/film.cc
index b8a26501e..fc06bb058 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -242,8 +242,7 @@ Film::make_dcp ()
 #else
 	log()->log ("libdcp built in optimised mode.");
 #endif
-	pair<string, int> const c = cpu_info ();
-	log()->log (String::compose ("CPU: %1, %2 processors", c.first, c.second));
+	log()->log (String::compose ("CPU: %1, %2 processors", cpu_info(), boost::thread::hardware_concurrency ()));
 	list<pair<string, string> > const m = mount_info ();
 	for (list<pair<string, string> >::const_iterator i = m.begin(); i != m.end(); ++i) {
 		log()->log (String::compose ("Mount: %1 %2", i->first, i->second));