143 lines
4.7 KiB
C
143 lines
4.7 KiB
C
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// This file contains platform-specific typedefs and defines.
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#ifndef WEBRTC_TYPEDEFS_H_
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#define WEBRTC_TYPEDEFS_H_
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// Reserved words definitions
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// TODO(andrew): Look at removing these.
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#define WEBRTC_EXTERN extern
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#define G_CONST const
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#define WEBRTC_INLINE extern __inline
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// Define WebRTC preprocessor identifiers based on the current build platform.
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// TODO(andrew): Clean these up. We can probably remove everything in this
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// block.
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// - TARGET_MAC_INTEL and TARGET_MAC aren't used anywhere.
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// - In the few places where TARGET_PC is used, it should be replaced by
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// something more specific.
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// - Do we really support PowerPC? Probably not. Remove WEBRTC_MAC_INTEL
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// from build/common.gypi as well.
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#if defined(WIN32)
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// Windows & Windows Mobile.
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#if !defined(WEBRTC_TARGET_PC)
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#define WEBRTC_TARGET_PC
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#endif
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#elif defined(__APPLE__)
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// Mac OS X.
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#if defined(__LITTLE_ENDIAN__ )
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#if !defined(WEBRTC_TARGET_MAC_INTEL)
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#define WEBRTC_TARGET_MAC_INTEL
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#endif
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#else
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#if !defined(WEBRTC_TARGET_MAC)
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#define WEBRTC_TARGET_MAC
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#endif
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#endif
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#else
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// Linux etc.
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#if !defined(WEBRTC_TARGET_PC)
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#define WEBRTC_TARGET_PC
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#endif
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#endif
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// Derived from Chromium's build/build_config.h
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// Processor architecture detection. For more info on what's defined, see:
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// http://msdn.microsoft.com/en-us/library/b0084kay.aspx
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// http://www.agner.org/optimize/calling_conventions.pdf
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// or with gcc, run: "echo | gcc -E -dM -"
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// TODO(andrew): replace WEBRTC_LITTLE_ENDIAN with WEBRTC_ARCH_LITTLE_ENDIAN?
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#if defined(_M_X64) || defined(__x86_64__)
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#define WEBRTC_ARCH_X86_FAMILY
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#define WEBRTC_ARCH_X86_64
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#define WEBRTC_ARCH_64_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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#elif defined(_M_IX86) || defined(__i386__)
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#define WEBRTC_ARCH_X86_FAMILY
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#define WEBRTC_ARCH_X86
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#define WEBRTC_ARCH_32_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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#elif defined(__ARMEL__)
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// TODO(andrew): We'd prefer to control platform defines here, but this is
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// currently provided by the Android makefiles. Commented to avoid duplicate
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// definition warnings.
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//#define WEBRTC_ARCH_ARM
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// TODO(andrew): Chromium uses the following two defines. Should we switch?
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//#define WEBRTC_ARCH_ARM_FAMILY
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//#define WEBRTC_ARCH_ARMEL
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#define WEBRTC_ARCH_32_BITS
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#define WEBRTC_ARCH_LITTLE_ENDIAN
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#else
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#error Please add support for your architecture in typedefs.h
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#endif
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#if defined(__SSE2__) || defined(_MSC_VER)
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#define WEBRTC_USE_SSE2
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#endif
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#if defined(WEBRTC_TARGET_PC)
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#if !defined(_MSC_VER)
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#include <stdint.h>
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#else
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// Define C99 equivalent types.
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// Since MSVC doesn't include these headers, we have to write our own
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// version to provide a compatibility layer between MSVC and the WebRTC
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// headers.
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typedef signed char int8_t;
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typedef signed short int16_t;
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typedef signed int int32_t;
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typedef signed long long int64_t;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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typedef unsigned long long uint64_t;
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#endif
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#if defined(WIN32)
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typedef __int64 WebRtc_Word64;
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typedef unsigned __int64 WebRtc_UWord64;
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#else
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typedef int64_t WebRtc_Word64;
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typedef uint64_t WebRtc_UWord64;
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#endif
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typedef int32_t WebRtc_Word32;
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typedef uint32_t WebRtc_UWord32;
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typedef int16_t WebRtc_Word16;
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typedef uint16_t WebRtc_UWord16;
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typedef char WebRtc_Word8;
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typedef uint8_t WebRtc_UWord8;
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// Define endian for the platform
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#define WEBRTC_LITTLE_ENDIAN
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#elif defined(WEBRTC_TARGET_MAC_INTEL)
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#include <stdint.h>
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typedef int64_t WebRtc_Word64;
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typedef uint64_t WebRtc_UWord64;
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typedef int32_t WebRtc_Word32;
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typedef uint32_t WebRtc_UWord32;
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typedef int16_t WebRtc_Word16;
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typedef char WebRtc_Word8;
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typedef uint16_t WebRtc_UWord16;
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typedef uint8_t WebRtc_UWord8;
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// Define endian for the platform
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#define WEBRTC_LITTLE_ENDIAN
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#else
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#error "No platform defined for WebRTC type definitions (typedefs.h)"
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#endif
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#endif // WEBRTC_TYPEDEFS_H_
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