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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 #ifndef TALK_MEDIA_BASE_CPUID_H_ | |
| 29 #define TALK_MEDIA_BASE_CPUID_H_ | |
| 30 | |
| 31 #include "webrtc/base/constructormagic.h" | |
| 32 | |
| 33 namespace cricket { | |
| 34 | |
| 35 class CpuInfo { | |
| 36 public: | |
| 37 // The following flags must match libyuv/cpu_id.h values. | |
| 38 // Internal flag to indicate cpuid requires initialization. | |
| 39 static const int kCpuInit = 0x1; | |
| 40 | |
| 41 // These flags are only valid on ARM processors. | |
| 42 static const int kCpuHasARM = 0x2; | |
| 43 static const int kCpuHasNEON = 0x4; | |
| 44 // 0x8 reserved for future ARM flag. | |
| 45 | |
| 46 // These flags are only valid on x86 processors. | |
| 47 static const int kCpuHasX86 = 0x10; | |
| 48 static const int kCpuHasSSE2 = 0x20; | |
| 49 static const int kCpuHasSSSE3 = 0x40; | |
| 50 static const int kCpuHasSSE41 = 0x80; | |
| 51 static const int kCpuHasSSE42 = 0x100; | |
| 52 static const int kCpuHasAVX = 0x200; | |
| 53 static const int kCpuHasAVX2 = 0x400; | |
| 54 static const int kCpuHasERMS = 0x800; | |
| 55 | |
| 56 // These flags are only valid on MIPS processors. | |
| 57 static const int kCpuHasMIPS = 0x1000; | |
| 58 static const int kCpuHasMIPS_DSP = 0x2000; | |
| 59 static const int kCpuHasMIPS_DSPR2 = 0x4000; | |
| 60 | |
| 61 // Detect CPU has SSE2 etc. | |
| 62 static bool TestCpuFlag(int flag); | |
| 63 | |
| 64 // For testing, allow CPU flags to be disabled. | |
| 65 static void MaskCpuFlagsForTest(int enable_flags); | |
| 66 | |
| 67 private: | |
| 68 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CpuInfo); | |
| 69 }; | |
| 70 | |
| 71 // Detect an Intel Core I5 or better such as 4th generation Macbook Air. | |
| 72 bool IsCoreIOrBetter(); | |
| 73 | |
| 74 } // namespace cricket | |
| 75 | |
| 76 #endif // TALK_MEDIA_BASE_CPUID_H_ | |
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Chromium Code Reviews
Issue 1587193006:
Move talk/media to webrtc/media (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master