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Add spa/utils/endian.h

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This provides access to GNU C library-style endian and byteswap functions.

Windows doesn't provide pre-processor defines for endianness, but
all current Windows architectures (X32, X64, ARM) are little-endian.
This commit is contained in:
David Coles 2024-06-25 16:32:13 -07:00 • committed by Wim Taymans
parent a97e8b6d1f
commit 5d7624001d
10 changed files with 35 additions and 30 deletions
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4
spa/include/spa/param/audio/layout.h
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@ -9,9 +9,7 @@
extern "C" {
#endif
#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
#include <endian.h>
#endif
#include <spa/utils/endian.h>
/**
* \addtogroup spa_param

4
spa/include/spa/param/audio/raw.h
View file

@ -11,9 +11,7 @@ extern "C" {
#include <stdint.h>
#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
#include <endian.h>
#endif
#include <spa/utils/endian.h>
/**
* \addtogroup spa_param

26
spa/include/spa/utils/endian.h Normal file
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@ -0,0 +1,26 @@
/* Spa */
/* SPDX-FileCopyrightText: Copyright © 2019 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef SPA_ENDIAN_H
#define SPA_ENDIAN_H
#if defined(__FreeBSD__) || defined(__MidnightBSD__)
#include <sys/endian.h>
#define bswap_16 bswap16
#define bswap_32 bswap32
#define bswap_64 bswap64
#elif defined(_MSC_VER) && defined(_WIN32)
#include <stdlib.h>
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#define __BYTE_ORDER __LITTLE_ENDIAN
#define bswap_16 _byteswap_ushort
#define bswap_32 _byteswap_ulong
#define bswap_64 _byteswap_uint64
#else
#include <endian.h>
#include <byteswap.h>
#endif
#endif /* SPA_ENDIAN_H */