Index: talk/media/base/cpuid.cc |
diff --git a/talk/media/base/cpuid.cc b/talk/media/base/cpuid.cc |
deleted file mode 100644 |
index daaf94e12f4e787d2ffce9a53cc2699a3f91c4c3..0000000000000000000000000000000000000000 |
--- a/talk/media/base/cpuid.cc |
+++ /dev/null |
@@ -1,80 +0,0 @@ |
-/* |
- * libjingle |
- * Copyright 2011 Google Inc. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are met: |
- * |
- * 1. Redistributions of source code must retain the above copyright notice, |
- * this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright notice, |
- * this list of conditions and the following disclaimer in the documentation |
- * and/or other materials provided with the distribution. |
- * 3. The name of the author may not be used to endorse or promote products |
- * derived from this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#include "talk/media/base/cpuid.h" |
- |
-#include "libyuv/cpu_id.h" |
- |
-namespace cricket { |
- |
-bool CpuInfo::TestCpuFlag(int flag) { |
- return libyuv::TestCpuFlag(flag) ? true : false; |
-} |
- |
-void CpuInfo::MaskCpuFlagsForTest(int enable_flags) { |
- libyuv::MaskCpuFlags(enable_flags); |
-} |
- |
-// Detect an Intel Core I5 or better such as 4th generation Macbook Air. |
-bool IsCoreIOrBetter() { |
-#if defined(__i386__) || defined(__x86_64__) || \ |
- defined(_M_IX86) || defined(_M_X64) |
- uint32_t cpu_info[4]; |
- libyuv::CpuId(0, 0, &cpu_info[0]); // Function 0: Vendor ID |
- if (cpu_info[1] == 0x756e6547 && cpu_info[3] == 0x49656e69 && |
- cpu_info[2] == 0x6c65746e) { // GenuineIntel |
- // Detect CPU Family and Model |
- // 3:0 - Stepping |
- // 7:4 - Model |
- // 11:8 - Family |
- // 13:12 - Processor Type |
- // 19:16 - Extended Model |
- // 27:20 - Extended Family |
- libyuv::CpuId(1, 0, &cpu_info[0]); // Function 1: Family and Model |
- int family = ((cpu_info[0] >> 8) & 0x0f) | ((cpu_info[0] >> 16) & 0xff0); |
- int model = ((cpu_info[0] >> 4) & 0x0f) | ((cpu_info[0] >> 12) & 0xf0); |
- // CpuFamily | CpuModel | Name |
- // 6 | 14 | Yonah -- Core |
- // 6 | 15 | Merom -- Core 2 |
- // 6 | 23 | Penryn -- Core 2 (most common) |
- // 6 | 26 | Nehalem -- Core i* |
- // 6 | 28 | Atom |
- // 6 | 30 | Lynnfield -- Core i* |
- // 6 | 37 | Westmere -- Core i* |
- const int kAtom = 28; |
- const int kCore2 = 23; |
- if (family < 6 || family == 15 || |
- (family == 6 && (model == kAtom || model <= kCore2))) { |
- return false; |
- } |
- return true; |
- } |
-#endif |
- return false; |
-} |
- |
-} // namespace cricket |