#ifndef fooendianmacroshfoo #define fooendianmacroshfoo /*** This file is part of PulseAudio. Copyright 2004-2006 Lennart Poettering Copyright 2006 Pierre Ossman for Cendio AB PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ #include #ifndef PACKAGE #error "Please include config.h before including this file!" #endif #ifdef HAVE_BYTESWAP_H #include #endif #ifdef HAVE_BYTESWAP_H #define PA_INT16_SWAP(x) ((int16_t) bswap_16((uint16_t) x)) #define PA_UINT16_SWAP(x) ((uint16_t) bswap_16((uint16_t) x)) #define PA_INT32_SWAP(x) ((int32_t) bswap_32((uint32_t) x)) #define PA_UINT32_SWAP(x) ((uint32_t) bswap_32((uint32_t) x)) #else #define PA_INT16_SWAP(x) ( (int16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) ) #define PA_UINT16_SWAP(x) ( (uint16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) ) #define PA_INT32_SWAP(x) ( (int32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) ) #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) { union { float f; uint32_t u; } t; t.f = x; t.u = PA_UINT32_SWAP(t.u); return t.f; } #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)) #define PA_INT16_TO_LE(x) PA_INT16_SWAP(x) #define PA_INT16_TO_BE(x) ((int16_t)(x)) #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) #define PA_INT16_TO_LE(x) ((int16_t)(x)) #define PA_INT16_TO_BE(x) PA_INT16_SWAP(x) #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