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Unified Diff: talk/media/base/cpuid.cc

Issue 1587193006: Move talk/media to webrtc/media (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebased to b647aca12a884a13c1728118586245399b55fa3d (#11493) Created 4 years, 10 months ago
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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
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