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-rw-r--r--noncore/multimedia/opieplayer2/bswap.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/noncore/multimedia/opieplayer2/bswap.h b/noncore/multimedia/opieplayer2/bswap.h
new file mode 100644
index 0000000..fc159fb
--- a/dev/null
+++ b/noncore/multimedia/opieplayer2/bswap.h
@@ -0,0 +1,181 @@
+#ifndef __BSWAP_H__
+#define __BSWAP_H__
+
+#ifdef HAVE_BYTESWAP_H
+#include <byteswap.h>
+#else
+#include <inttypes.h>
+
+
+#ifdef ARCH_X86
+inline static unsigned short ByteSwap16(unsigned short x)
+{
+ __asm("xchgb %b0,%h0" :
+ "=q" (x) :
+ "0" (x));
+ return x;
+}
+#define bswap_16(x) ByteSwap16(x)
+
+inline static unsigned int ByteSwap32(unsigned int x)
+{
+#if __CPU__ > 386
+ __asm("bswap %0":
+ "=r" (x) :
+#else
+ __asm("xchgb %b0,%h0\n"
+ " rorl $16,%0\n"
+ " xchgb %b0,%h0":
+ "=q" (x) :
+#endif
+ "0" (x));
+ return x;
+}
+#define bswap_32(x) ByteSwap32(x)
+
+inline static unsigned long long int ByteSwap64(unsigned long long int x)
+{
+ register union { __extension__ unsigned long long int __ll;
+ unsigned long int __l[2]; } __x;
+ asm("xchgl %0,%1":
+ "=r"(__x.__l[0]),"=r"(__x.__l[1]):
+ "0"(bswap_32((unsigned long)x)),"1"(bswap_32((unsigned long)(x>>32))));
+ return __x.__ll;
+}
+#define bswap_64(x) ByteSwap64(x)
+
+#else
+
+#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
+
+#define bswap_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+
+#ifdef __GNUC__
+/* code from bits/byteswap.h (C) 1997, 1998 Free Software Foundation, Inc. */
+#define bswap_64(x) \
+ (__extension__ \
+ ({ union { __extension__ unsigned long long int __ll; \
+ unsigned long int __l[2]; } __w, __r; \
+ __w.__ll = (x); \
+ __r.__l[0] = bswap_32 (__w.__l[1]); \
+ __r.__l[1] = bswap_32 (__w.__l[0]); \
+ __r.__ll; }))
+#else
+#define bswap_64(x) \
+ ((((x) & 0xff00000000000000LL) >> 56) | \
+ (((x) & 0x00ff000000000000LL) >> 40) | \
+ (((x) & 0x0000ff0000000000LL) >> 24) | \
+ (((x) & 0x000000ff00000000LL) >> 8) | \
+ (((x) & 0x00000000ff000000LL) << 8) | \
+ (((x) & 0x0000000000ff0000LL) << 24) | \
+ (((x) & 0x000000000000ff00LL) << 40) | \
+ (((x) & 0x00000000000000ffLL) << 56))
+#endif /* !__GNUC__ */
+
+#endif /* !ARCH_X86 */
+
+#endif /* !HAVE_BYTESWAP_H */
+
+/* be2me ... BigEndian to MachineEndian */
+/* le2me ... LittleEndian to MachineEndian */
+
+#ifdef WORDS_BIGENDIAN
+#define be2me_16(x) (x)
+#define be2me_32(x) (x)
+#define be2me_64(x) (x)
+#define le2me_16(x) bswap_16(x)
+#define le2me_32(x) bswap_32(x)
+#define le2me_64(x) bswap_64(x)
+#else
+#define be2me_16(x) bswap_16(x)
+#define be2me_32(x) bswap_32(x)
+#define be2me_64(x) bswap_64(x)
+#define le2me_16(x) (x)
+#define le2me_32(x) (x)
+#define le2me_64(x) (x)
+#endif
+
+#define ABE_16(x) (be2me_16(*(uint16_t*)(x)))
+#define ABE_32(x) (be2me_32(*(uint32_t*)(x)))
+#define ABE_64(x) (be2me_64(*(uint64_t*)(x)))
+#define ALE_16(x) (le2me_16(*(uint16_t*)(x)))
+#define ALE_32(x) (le2me_32(*(uint32_t*)(x)))
+#define ALE_64(x) (le2me_64(*(uint64_t*)(x)))
+
+#ifdef ARCH_X86
+
+#define BE_16(x) ABE_16(x)
+#define BE_32(x) ABE_32(x)
+#define BE_64(x) ABE_64(x)
+#define LE_16(x) ALE_16(x)
+#define LE_32(x) ALE_32(x)
+#define LE_64(x) ALE_64(x)
+
+#else
+
+#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
+#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
+ (((uint8_t*)(x))[1] << 16) | \
+ (((uint8_t*)(x))[2] << 8) | \
+ ((uint8_t*)(x))[3])
+#define BE_64(x) ((uint64_t)(((uint8_t*)(x))[0] << 56) | \
+ (uint64_t)(((uint8_t*)(x))[1] << 48) | \
+ (uint64_t)(((uint8_t*)(x))[2] << 40) | \
+ (uint64_t)(((uint8_t*)(x))[3] << 32) | \
+ (uint64_t)(((uint8_t*)(x))[4] << 24) | \
+ (uint64_t)(((uint8_t*)(x))[5] << 16) | \
+ (uint64_t)(((uint8_t*)(x))[6] << 8) | \
+ (uint64_t)((uint8_t*)(x))[7])
+#define LE_16(x) ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
+#define LE_32(x) ((((uint8_t*)(x))[3] << 24) | \
+ (((uint8_t*)(x))[2] << 16) | \
+ (((uint8_t*)(x))[1] << 8) | \
+ ((uint8_t*)(x))[0])
+#define LE_64(x) ((uint64_t)(((uint8_t*)(x))[7] << 56) | \
+ (uint64_t)(((uint8_t*)(x))[6] << 48) | \
+ (uint64_t)(((uint8_t*)(x))[5] << 40) | \
+ (uint64_t)(((uint8_t*)(x))[4] << 32) | \
+ (uint64_t)(((uint8_t*)(x))[3] << 24) | \
+ (uint64_t)(((uint8_t*)(x))[2] << 16) | \
+ (uint64_t)(((uint8_t*)(x))[1] << 8) | \
+ (uint64_t)((uint8_t*)(x))[0])
+
+#endif /* !ARCH_X86 */
+
+#ifdef WORDS_BIGENDIAN
+#define ME_16(x) BE_16(x)
+#define ME_32(x) BE_32(x)
+#define ME_64(x) BE_64(x)
+#define AME_16(x) ABE_16(x)
+#define AME_32(x) ABE_32(x)
+#define AME_64(x) ABE_64(x)
+#else
+#define ME_16(x) LE_16(x)
+#define ME_32(x) LE_32(x)
+#define ME_64(x) LE_64(x)
+#define AME_16(x) ALE_16(x)
+#define AME_32(x) ALE_32(x)
+#define AME_64(x) ALE_64(x)
+#endif
+
+#define BE_FOURCC( ch0, ch1, ch2, ch3 ) \
+ ( (uint32_t)(unsigned char)(ch3) | \
+ ( (uint32_t)(unsigned char)(ch2) << 8 ) | \
+ ( (uint32_t)(unsigned char)(ch1) << 16 ) | \
+ ( (uint32_t)(unsigned char)(ch0) << 24 ) )
+
+#define LE_FOURCC( ch0, ch1, ch2, ch3 ) \
+ ( (uint32_t)(unsigned char)(ch0) | \
+ ( (uint32_t)(unsigned char)(ch1) << 8 ) | \
+ ( (uint32_t)(unsigned char)(ch2) << 16 ) | \
+ ( (uint32_t)(unsigned char)(ch3) << 24 ) )
+
+#ifdef WORDS_BIGENDIAN
+#define ME_FOURCC BE_FOURCC
+#else
+#define ME_FOURCC LE_FOURCC
+#endif
+
+#endif