libavutil: Utility code from libavcodec moved to a separate library.

Originally committed as revision 4489 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 155 deletions

diff --git a/libavcodec/bswap.h b/libavcodec/bswap.h
deleted file mode 100644
index 50fd571787..0000000000
--- a/libavcodec/bswap.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/**
- * @file bswap.h
- * byte swap.
- */
-
-#ifndef __BSWAP_H__
-#define __BSWAP_H__
-
-#ifdef HAVE_BYTESWAP_H
-#include <byteswap.h>
-#else
-
-#ifdef ARCH_X86_64
-#  define LEGACY_REGS "=Q"
-#else
-#  define LEGACY_REGS "=q"
-#endif
-
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
-static always_inline uint16_t bswap_16(uint16_t x)
-{
-  __asm("rorw $8, %0"	:
-        LEGACY_REGS (x)	:
-        "0" (x));
-    return x;
-}
-
-static always_inline uint32_t bswap_32(uint32_t x)
-{
-#if __CPU__ > 386
- __asm("bswap	%0":
-      "=r" (x)     :
-#else
- __asm("xchgb	%b0,%h0\n"
-      "	rorl	$16,%0\n"
-      "	xchgb	%b0,%h0":
-      LEGACY_REGS (x)		:
-#endif
-      "0" (x));
-  return x;
-}
-
-static inline uint64_t bswap_64(uint64_t x)
-{
-#ifdef ARCH_X86_64
-  __asm("bswap	%0":
-        "=r" (x)     :
-        "0" (x));
-  return x;
-#else
-    union { 
-        uint64_t ll;
-        struct {
-           uint32_t l,h;
-        } l;
-    } r;
-    r.l.l = bswap_32 (x);
-    r.l.h = bswap_32 (x>>32);
-    return r.ll;
-#endif
-}
-
-#elif defined(ARCH_SH4)
-
-static always_inline uint16_t bswap_16(uint16_t x) {
-	__asm__("swap.b %0,%0":"=r"(x):"0"(x));
-	return x;
-}
-
-static always_inline uint32_t bswap_32(uint32_t x) {
-	__asm__(
-	"swap.b %0,%0\n"
-	"swap.w %0,%0\n"
-	"swap.b %0,%0\n"
-	:"=r"(x):"0"(x));
-	return x;
-}
-
-static inline uint64_t bswap_64(uint64_t x)
-{
-    union { 
-        uint64_t ll;
-        struct {
-           uint32_t l,h;
-        } l;
-    } r;
-    r.l.l = bswap_32 (x);
-    r.l.h = bswap_32 (x>>32);
-    return r.ll;
-}
-#else
-
-static always_inline uint16_t bswap_16(uint16_t x){
-    return (x>>8) | (x<<8);
-}
-
-#ifdef ARCH_ARM
-static always_inline uint32_t bswap_32(uint32_t x){
-    uint32_t t;
-    __asm__ (
-      "eor %1, %0, %0, ror #16 \n\t"
-      "bic %1, %1, #0xFF0000   \n\t"
-      "mov %0, %0, ror #8      \n\t"
-      "eor %0, %0, %1, lsr #8  \n\t"
-      : "+r"(x), "+r"(t));
-    return x;
-}
-#else
-static always_inline uint32_t bswap_32(uint32_t x){
-    x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
-    return (x>>16) | (x<<16);
-}
-#endif
-
-static inline uint64_t bswap_64(uint64_t x)
-{
-#if 0
-    x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL);
-    x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL);
-    return (x>>32) | (x<<32);
-#else
-    union { 
-        uint64_t ll;
-        uint32_t l[2]; 
-    } w, r;
-    w.ll = x;
-    r.l[0] = bswap_32 (w.l[1]);
-    r.l[1] = bswap_32 (w.l[0]);
-    return r.ll;
-#endif
-}
-#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
-
-#endif /* __BSWAP_H__ */