mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
5effc83479
FSF addresses used in PA sources are no longer valid and rpmlint generates numerous warnings during packaging because of this. This patch changes all FSF addresses to FSF web page according to the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html Done automatically by sed-ing through sources.
160 lines
4.8 KiB
C
160 lines
4.8 KiB
C
#ifndef fooendianmacroshfoo
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#define fooendianmacroshfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#ifndef PACKAGE
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#error "Please include config.h before including this file!"
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#endif
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#ifdef HAVE_BYTESWAP_H
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#include <byteswap.h>
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#endif
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#ifdef HAVE_BYTESWAP_H
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#define PA_INT16_SWAP(x) ((int16_t) bswap_16((uint16_t) x))
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#define PA_UINT16_SWAP(x) ((uint16_t) bswap_16((uint16_t) x))
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#define PA_INT32_SWAP(x) ((int32_t) bswap_32((uint32_t) x))
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#define PA_UINT32_SWAP(x) ((uint32_t) bswap_32((uint32_t) x))
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#else
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#define PA_INT16_SWAP(x) ( (int16_t) ( ((uint16_t) (x) >> 8) | ((uint16_t) (x) << 8) ) )
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#define PA_UINT16_SWAP(x) ( (uint16_t) ( ((uint16_t) (x) >> 8) | ((uint16_t) (x) << 8) ) )
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#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) ) )
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#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) ) )
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#endif
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static inline uint32_t PA_READ24BE(const uint8_t *p) {
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return
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((uint32_t) p[0] << 16) |
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((uint32_t) p[1] << 8) |
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((uint32_t) p[2]);
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}
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static inline uint32_t PA_READ24LE(const uint8_t *p) {
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return
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((uint32_t) p[2] << 16) |
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((uint32_t) p[1] << 8) |
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((uint32_t) p[0]);
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}
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static inline void PA_WRITE24BE(uint8_t *p, uint32_t u) {
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p[0] = (uint8_t) (u >> 16);
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p[1] = (uint8_t) (u >> 8);
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p[2] = (uint8_t) u;
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}
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static inline void PA_WRITE24LE(uint8_t *p, uint32_t u) {
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p[2] = (uint8_t) (u >> 16);
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p[1] = (uint8_t) (u >> 8);
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p[0] = (uint8_t) u;
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}
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static inline float PA_READ_FLOAT32RE(const void *p) {
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union {
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float f;
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uint32_t u;
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} t;
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t.u = PA_UINT32_SWAP(*(uint32_t *) p);
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return t.f;
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}
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static inline void PA_WRITE_FLOAT32RE(void *p, float x) {
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union {
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float f;
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uint32_t u;
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} t;
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t.f = x;
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*(uint32_t *) p = PA_UINT32_SWAP(t.u);
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}
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#define PA_MAYBE_INT16_SWAP(c,x) ((c) ? PA_INT16_SWAP(x) : (x))
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#define PA_MAYBE_UINT16_SWAP(c,x) ((c) ? PA_UINT16_SWAP(x) : (x))
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#define PA_MAYBE_INT32_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : (x))
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#define PA_MAYBE_UINT32_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : (x))
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#ifdef WORDS_BIGENDIAN
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#define PA_INT16_FROM_LE(x) PA_INT16_SWAP(x)
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#define PA_INT16_FROM_BE(x) ((int16_t)(x))
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#define PA_INT16_TO_LE(x) PA_INT16_SWAP(x)
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#define PA_INT16_TO_BE(x) ((int16_t)(x))
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#define PA_UINT16_FROM_LE(x) PA_UINT16_SWAP(x)
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#define PA_UINT16_FROM_BE(x) ((uint16_t)(x))
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#define PA_UINT16_TO_LE(x) PA_UINT16_SWAP(x)
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#define PA_UINT16_TO_BE(x) ((uint16_t)(x))
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#define PA_INT32_FROM_LE(x) PA_INT32_SWAP(x)
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#define PA_INT32_FROM_BE(x) ((int32_t)(x))
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#define PA_INT32_TO_LE(x) PA_INT32_SWAP(x)
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#define PA_INT32_TO_BE(x) ((int32_t)(x))
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#define PA_UINT32_FROM_LE(x) PA_UINT32_SWAP(x)
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#define PA_UINT32_FROM_BE(x) ((uint32_t)(x))
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#define PA_UINT32_TO_LE(x) PA_UINT32_SWAP(x)
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#define PA_UINT32_TO_BE(x) ((uint32_t)(x))
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#define PA_READ24NE(x) PA_READ24BE(x)
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#define PA_WRITE24NE(x,y) PA_WRITE24BE((x),(y))
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#define PA_READ24RE(x) PA_READ24LE(x)
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#define PA_WRITE24RE(x,y) PA_WRITE24LE((x),(y))
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#else
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#define PA_INT16_FROM_LE(x) ((int16_t)(x))
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#define PA_INT16_FROM_BE(x) PA_INT16_SWAP(x)
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#define PA_INT16_TO_LE(x) ((int16_t)(x))
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#define PA_INT16_TO_BE(x) PA_INT16_SWAP(x)
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#define PA_UINT16_FROM_LE(x) ((uint16_t)(x))
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#define PA_UINT16_FROM_BE(x) PA_UINT16_SWAP(x)
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#define PA_UINT16_TO_LE(x) ((uint16_t)(x))
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#define PA_UINT16_TO_BE(x) PA_UINT16_SWAP(x)
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#define PA_INT32_FROM_LE(x) ((int32_t)(x))
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#define PA_INT32_FROM_BE(x) PA_INT32_SWAP(x)
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#define PA_INT32_TO_LE(x) ((int32_t)(x))
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#define PA_INT32_TO_BE(x) PA_INT32_SWAP(x)
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#define PA_UINT32_FROM_LE(x) ((uint32_t)(x))
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#define PA_UINT32_FROM_BE(x) PA_UINT32_SWAP(x)
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#define PA_UINT32_TO_LE(x) ((uint32_t)(x))
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#define PA_UINT32_TO_BE(x) PA_UINT32_SWAP(x)
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#define PA_READ24NE(x) PA_READ24LE(x)
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#define PA_WRITE24NE(x,y) PA_WRITE24LE((x),(y))
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#define PA_READ24RE(x) PA_READ24BE(x)
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#define PA_WRITE24RE(x,y) PA_WRITE24BE((x),(y))
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#endif
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#endif
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