diff options
Diffstat (limited to 'src/pulsecore/endianmacros.h')
| -rw-r--r-- | src/pulsecore/endianmacros.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/pulsecore/endianmacros.h b/src/pulsecore/endianmacros.h index 8f7cfade..26336918 100644 --- a/src/pulsecore/endianmacros.h +++ b/src/pulsecore/endianmacros.h @@ -1,8 +1,6 @@ #ifndef fooendianmacroshfoo #define fooendianmacroshfoo -/* $Id$ */ - /*** This file is part of PulseAudio. @@ -47,12 +45,20 @@ #define PA_UINT32_SWAP(x) ( (uint32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) ) #endif +static inline float PA_FLOAT32_SWAP(float x) { + uint32_t i = *(uint32_t*) &x; + i = PA_UINT32_SWAP(i); + return *(float*) &i; +} + #define PA_MAYBE_INT16_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : x) #define PA_MAYBE_UINT16_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : x) #define PA_MAYBE_INT32_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : x) #define PA_MAYBE_UINT32_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : x) +#define PA_MAYBE_FLOAT32_SWAP(c,x) ((c) ? PA_FLOAT32_SWAP(x) : x) + #ifdef WORDS_BIGENDIAN #define PA_INT16_FROM_LE(x) PA_INT16_SWAP(x) #define PA_INT16_FROM_BE(x) ((int16_t)(x)) @@ -63,14 +69,23 @@ #define PA_UINT16_FROM_LE(x) PA_UINT16_SWAP(x) #define PA_UINT16_FROM_BE(x) ((uint16_t)(x)) + #define PA_UINT16_TO_LE(x) PA_UINT16_SWAP(x) + #define PA_UINT16_TO_BE(x) ((uint16_t)(x)) + #define PA_INT32_FROM_LE(x) PA_INT32_SWAP(x) #define PA_INT32_FROM_BE(x) ((int32_t)(x)) + #define PA_INT32_TO_LE(x) PA_INT32_SWAP(x) + #define PA_INT32_TO_BE(x) ((int32_t)(x)) + #define PA_UINT32_FROM_LE(x) PA_UINT32_SWAP(x) #define PA_UINT32_FROM_BE(x) ((uint32_t)(x)) #define PA_UINT32_TO_LE(x) PA_UINT32_SWAP(x) #define PA_UINT32_TO_BE(x) ((uint32_t)(x)) + + #define PA_FLOAT32_TO_LE(x) PA_FLOAT32_SWAP(x) + #define PA_FLOAT32_TO_BE(x) ((float) (x)) #else #define PA_INT16_FROM_LE(x) ((int16_t)(x)) #define PA_INT16_FROM_BE(x) PA_INT16_SWAP(x) @@ -81,14 +96,23 @@ #define PA_UINT16_FROM_LE(x) ((uint16_t)(x)) #define PA_UINT16_FROM_BE(x) PA_UINT16_SWAP(x) + #define PA_UINT16_TO_LE(x) ((uint16_t)(x)) + #define PA_UINT16_TO_BE(x) PA_UINT16_SWAP(x) + #define PA_INT32_FROM_LE(x) ((int32_t)(x)) #define PA_INT32_FROM_BE(x) PA_INT32_SWAP(x) + #define PA_INT32_TO_LE(x) ((int32_t)(x)) + #define PA_INT32_TO_BE(x) PA_INT32_SWAP(x) + #define PA_UINT32_FROM_LE(x) ((uint32_t)(x)) #define PA_UINT32_FROM_BE(x) PA_UINT32_SWAP(x) #define PA_UINT32_TO_LE(x) ((uint32_t)(x)) #define PA_UINT32_TO_BE(x) PA_UINT32_SWAP(x) + + #define PA_FLOAT32_TO_LE(x) ((float) (x)) + #define PA_FLOAT32_TO_BE(x) PA_FLOAT32_SWAP(x) #endif #endif |