41 JUCE_CONSTEXPR
static uint16 swap (uint16 value) noexcept;
44 JUCE_CONSTEXPR
static int16 swap (int16 value) noexcept;
47 static uint32 swap (uint32 value) noexcept;
50 static int32 swap (int32 value) noexcept;
53 static uint64 swap (uint64 value) noexcept;
56 static int64 swap (int64 value) noexcept;
59 static float swap (
float value) noexcept;
62 static double swap (
double value) noexcept;
66 template <
typename Type>
69 #if JUCE_LITTLE_ENDIAN
77 template <
typename Type>
80 #if JUCE_LITTLE_ENDIAN
89 JUCE_CONSTEXPR
static uint32 littleEndianInt (
const void* bytes) noexcept;
92 JUCE_CONSTEXPR
static uint64 littleEndianInt64 (
const void* bytes) noexcept;
95 JUCE_CONSTEXPR
static uint16 littleEndianShort (
const void* bytes) noexcept;
98 JUCE_CONSTEXPR
static int littleEndian24Bit (
const void* bytes) noexcept;
101 static void littleEndian24BitToChars (int32 value,
void* destBytes) noexcept;
105 JUCE_CONSTEXPR
static uint32 bigEndianInt (
const void* bytes) noexcept;
108 JUCE_CONSTEXPR
static uint64 bigEndianInt64 (
const void* bytes) noexcept;
111 JUCE_CONSTEXPR
static uint16 bigEndianShort (
const void* bytes) noexcept;
114 JUCE_CONSTEXPR
static int bigEndian24Bit (
const void* bytes) noexcept;
117 static void bigEndian24BitToChars (int32 value,
void* destBytes) noexcept;
121 JUCE_CONSTEXPR
static uint16 makeInt (uint8 leastSig, uint8 mostSig) noexcept;
124 JUCE_CONSTEXPR
static uint32 makeInt (uint8 leastSig, uint8 byte1, uint8 byte2, uint8 mostSig) noexcept;
127 JUCE_CONSTEXPR
static uint64 makeInt (uint8 leastSig, uint8 byte1, uint8 byte2, uint8 byte3,
128 uint8 byte4, uint8 byte5, uint8 byte6, uint8 mostSig) noexcept;
134 #if JUCE_LITTLE_ENDIAN
147 JUCE_CONSTEXPR
inline uint16
ByteOrder::swap (uint16 v) noexcept {
return static_cast<uint16
> ((v << 8) | (v >> 8)); }
148 JUCE_CONSTEXPR
inline int16
ByteOrder::swap (int16 v) noexcept {
return static_cast<int16
> (swap (
static_cast<uint16
> (v))); }
149 inline int32
ByteOrder::swap (int32 v) noexcept {
return static_cast<int32
> (swap (
static_cast<uint32
> (v))); }
150 inline int64
ByteOrder::swap (int64 v) noexcept {
return static_cast<int64
> (swap (
static_cast<uint64
> (v))); }
151 inline float ByteOrder::swap (
float v) noexcept {
union { uint32 asUInt;
float asFloat; } n; n.asFloat = v; n.asUInt = swap (n.asUInt);
return n.asFloat; }
152 inline double ByteOrder::swap (
double v) noexcept {
union { uint64 asUInt;
double asFloat; } n; n.asFloat = v; n.asUInt = swap (n.asUInt);
return n.asFloat; }
154 #if JUCE_MSVC && ! defined (__INTEL_COMPILER)
155 #pragma intrinsic (_byteswap_ulong)
160 #if JUCE_MAC || JUCE_IOS
161 return OSSwapInt32 (n);
162 #elif (JUCE_GCC || JUCE_CLANG) && JUCE_INTEL && ! JUCE_NO_INLINE_ASM
163 asm(
"bswap %%eax" :
"=a"(n) :
"a"(n));
166 return _byteswap_ulong (n);
170 return (n << 24) | (n >> 24) | ((n & 0xff00) << 8) | ((n & 0xff0000) >> 8);
176 #if JUCE_MAC || JUCE_IOS
177 return OSSwapInt64 (value);
179 return _byteswap_uint64 (value);
181 return (((uint64) swap ((uint32) value)) << 32) | swap ((uint32) (value >> 32));
187 return static_cast<uint16
> (
static_cast<uint16
> (b0) | (
static_cast<uint16
> (b1) << 8));
192 return static_cast<uint32
> (b0) | (
static_cast<uint32
> (b1) << 8)
193 | (
static_cast<uint32
> (b2) << 16) | (
static_cast<uint32
> (b3) << 24);
196 JUCE_CONSTEXPR
inline uint64
ByteOrder::makeInt (uint8 b0, uint8 b1, uint8 b2, uint8 b3, uint8 b4, uint8 b5, uint8 b6, uint8 b7) noexcept
198 return static_cast<uint64
> (b0) | (
static_cast<uint64
> (b1) << 8) | (
static_cast<uint64
> (b2) << 16) | (
static_cast<uint64
> (b3) << 24)
199 | (
static_cast<uint64
> (b4) << 32) | (
static_cast<uint64
> (b5) << 40) | (
static_cast<uint64
> (b6) << 48) | (
static_cast<uint64
> (b7) << 56);
202 JUCE_CONSTEXPR
inline uint16
ByteOrder::littleEndianShort (
const void* bytes) noexcept {
return makeInt (
static_cast<const uint8*
> (bytes)[0],
static_cast<const uint8*
> (bytes)[1]); }
203 JUCE_CONSTEXPR
inline uint32
ByteOrder::littleEndianInt (
const void* bytes) noexcept {
return makeInt (
static_cast<const uint8*
> (bytes)[0],
static_cast<const uint8*
> (bytes)[1],
204 static_cast<const uint8*
> (bytes)[2],
static_cast<const uint8*
> (bytes)[3]); }
205 JUCE_CONSTEXPR
inline uint64
ByteOrder::littleEndianInt64 (
const void* bytes) noexcept {
return makeInt (
static_cast<const uint8*
> (bytes)[0],
static_cast<const uint8*
> (bytes)[1],
206 static_cast<const uint8*
> (bytes)[2],
static_cast<const uint8*
> (bytes)[3],
207 static_cast<const uint8*
> (bytes)[4],
static_cast<const uint8*
> (bytes)[5],
208 static_cast<const uint8*
> (bytes)[6],
static_cast<const uint8*
> (bytes)[7]); }
210 JUCE_CONSTEXPR
inline uint16
ByteOrder::bigEndianShort (
const void* bytes) noexcept {
return makeInt (
static_cast<const uint8*
> (bytes)[1],
static_cast<const uint8*
> (bytes)[0]); }
211 JUCE_CONSTEXPR
inline uint32
ByteOrder::bigEndianInt (
const void* bytes) noexcept {
return makeInt (
static_cast<const uint8*
> (bytes)[3],
static_cast<const uint8*
> (bytes)[2],
212 static_cast<const uint8*
> (bytes)[1],
static_cast<const uint8*
> (bytes)[0]); }
213 JUCE_CONSTEXPR
inline uint64
ByteOrder::bigEndianInt64 (
const void* bytes) noexcept {
return makeInt (
static_cast<const uint8*
> (bytes)[7],
static_cast<const uint8*
> (bytes)[6],
214 static_cast<const uint8*
> (bytes)[5],
static_cast<const uint8*
> (bytes)[4],
215 static_cast<const uint8*
> (bytes)[3],
static_cast<const uint8*
> (bytes)[2],
216 static_cast<const uint8*
> (bytes)[1],
static_cast<const uint8*
> (bytes)[0]); }
218 JUCE_CONSTEXPR
inline int32
ByteOrder::littleEndian24Bit (
const void* bytes) noexcept {
return (int32) ((((uint32)
static_cast<const int8*
> (bytes)[2]) << 16) | (((uint32)
static_cast<const uint8*
> (bytes)[1]) << 8) | ((uint32)
static_cast<const uint8*
> (bytes)[0])); }
219 JUCE_CONSTEXPR
inline int32
ByteOrder::bigEndian24Bit (
const void* bytes) noexcept {
return (int32) ((((uint32)
static_cast<const int8*
> (bytes)[0]) << 16) | (((uint32)
static_cast<const uint8*
> (bytes)[1]) << 8) | ((uint32)
static_cast<const uint8*
> (bytes)[2])); }
221 inline void ByteOrder::littleEndian24BitToChars (int32 value,
void* destBytes) noexcept {
static_cast<uint8*
> (destBytes)[0] = (uint8) value;
static_cast<uint8*
> (destBytes)[1] = (uint8) (value >> 8);
static_cast<uint8*
> (destBytes)[2] = (uint8) (value >> 16); }
222 inline void ByteOrder::bigEndian24BitToChars (int32 value,
void* destBytes) noexcept {
static_cast<uint8*
> (destBytes)[0] = (uint8) (value >> 16);
static_cast<uint8*
> (destBytes)[1] = (uint8) (value >> 8);
static_cast<uint8*
> (destBytes)[2] = (uint8) value; }