Move talk/media to webrtc/media

webrtc/media/base/cpuid.h

+/*
+ *  Copyright 2011 The WebRTC 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.
+ */
+
+#ifndef WEBRTC_MEDIA_BASE_CPUID_H_
+#define WEBRTC_MEDIA_BASE_CPUID_H_
+
+#include "webrtc/base/constructormagic.h"
+
+namespace cricket {
+
+class CpuInfo {
+ public:
+  // The following flags must match libyuv/cpu_id.h values.
+  // Internal flag to indicate cpuid requires initialization.
+  static const int kCpuInit = 0x1;
+
+  // These flags are only valid on ARM processors.
+  static const int kCpuHasARM = 0x2;
+  static const int kCpuHasNEON = 0x4;
+  // 0x8 reserved for future ARM flag.
+
+  // These flags are only valid on x86 processors.
+  static const int kCpuHasX86 = 0x10;
+  static const int kCpuHasSSE2 = 0x20;
+  static const int kCpuHasSSSE3 = 0x40;
+  static const int kCpuHasSSE41 = 0x80;
+  static const int kCpuHasSSE42 = 0x100;
+  static const int kCpuHasAVX = 0x200;
+  static const int kCpuHasAVX2 = 0x400;
+  static const int kCpuHasERMS = 0x800;
+
+  // These flags are only valid on MIPS processors.
+  static const int kCpuHasMIPS = 0x1000;
+  static const int kCpuHasMIPS_DSP = 0x2000;
+  static const int kCpuHasMIPS_DSPR2 = 0x4000;
+
+  // Detect CPU has SSE2 etc.
+  static bool TestCpuFlag(int flag);
+
+  // For testing, allow CPU flags to be disabled.
+  static void MaskCpuFlagsForTest(int enable_flags);
+
+ private:
+  RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CpuInfo);
+};
+
+// Detect an Intel Core I5 or better such as 4th generation Macbook Air.
+bool IsCoreIOrBetter();
+
+}  // namespace cricket
+
+#endif  // WEBRTC_MEDIA_BASE_CPUID_H_