/*****************************************************************************
* osdep.h: h264 encoder
*****************************************************************************
- * Copyright (C) 2007 x264 project
+ * Copyright (C) 2007-2008 x264 project
+ *
+ * Authors: Loren Merritt <lorenm@u.washington.edu>
+ * Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*****************************************************************************/
#ifndef X264_OSDEP_H
#define fseek _fseeki64
#define ftell _ftelli64
#define isfinite _finite
+#define strtok_r strtok_s
#define _CRT_SECURE_NO_DEPRECATE
#define X264_VERSION "" // no configure script for msvc
#endif
-#ifdef SYS_OPENBSD
+#if (defined(SYS_OPENBSD) && !defined(isfinite)) || defined(SYS_SunOS)
#define isfinite finite
#endif
-#if defined(_MSC_VER) || defined(SYS_SunOS) || defined(SYS_MACOSX)
-#define sqrtf sqrt
-#endif
#ifdef _WIN32
#define rename(src,dst) (unlink(dst), rename(src,dst)) // POSIX says that rename() removes the destination, but win32 doesn't.
#ifndef strtok_r
#else
#define DECLARE_ALIGNED( var, n ) var __attribute__((aligned(n)))
#endif
-#define DECLARE_ALIGNED_16( var ) DECLARE_ALIGNED( var, 16 )
-#define DECLARE_ALIGNED_8( var ) DECLARE_ALIGNED( var, 8 )
-#define DECLARE_ALIGNED_4( var ) DECLARE_ALIGNED( var, 4 )
+#define ALIGNED_16( var ) DECLARE_ALIGNED( var, 16 )
+#define ALIGNED_8( var ) DECLARE_ALIGNED( var, 8 )
+#define ALIGNED_4( var ) DECLARE_ALIGNED( var, 4 )
+
+// current arm compilers only maintain 8-byte stack alignment
+// and cannot align stack variables to more than 8-bytes
+#ifdef ARCH_ARM
+#define ALIGNED_ARRAY_16( type, name, sub1, ... )\
+ ALIGNED_8( uint8_t name##_8 [sizeof(type sub1 __VA_ARGS__) + 8] );\
+ type (*name) __VA_ARGS__ = (void*)(name##_8 + ((intptr_t)name##_8 & 8))
+#else
+#define ALIGNED_ARRAY_16( type, name, sub1, ... )\
+ ALIGNED_16( type name sub1 __VA_ARGS__ )
+#endif
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
#define UNUSED __attribute__((unused))
#define ALWAYS_INLINE __attribute__((always_inline)) inline
#define NOINLINE __attribute__((noinline))
+#define x264_constant_p(x) __builtin_constant_p(x)
#else
#define UNUSED
#define ALWAYS_INLINE inline
#define NOINLINE
+#define x264_constant_p(x) 0
#endif
/* threads */
#if defined(SYS_BEOS)
#include <kernel/OS.h>
#define x264_pthread_t thread_id
-#define x264_pthread_create(t,u,f,d) { *(t)=spawn_thread(f,"",10,d); \
- resume_thread(*(t)); }
+static inline int x264_pthread_create( x264_pthread_t *t, void *a, void *(*f)(void *), void *d )
+{
+ *t = spawn_thread( f, "", 10, d );
+ if( *t < B_NO_ERROR )
+ return -1;
+ resume_thread( *t );
+ return 0;
+}
#define x264_pthread_join(t,s) { long tmp; \
- wait_for_thread(t,(s)?(long*)(s):&tmp); }
+ wait_for_thread(t,(s)?(long*)(*(s)):&tmp); }
#ifndef usleep
#define usleep(t) snooze(t)
#endif
#else
#define x264_pthread_t int
-#define x264_pthread_create(t,u,f,d)
+#define x264_pthread_create(t,u,f,d) 0
#define x264_pthread_join(t,s)
#endif //SYS_*
#define x264_pthread_cond_destroy pthread_cond_destroy
#define x264_pthread_cond_broadcast pthread_cond_broadcast
#define x264_pthread_cond_wait pthread_cond_wait
+#define x264_pthread_attr_t pthread_attr_t
+#define x264_pthread_attr_init pthread_attr_init
+#define x264_pthread_attr_destroy pthread_attr_destroy
#else
#define x264_pthread_mutex_t int
-#define x264_pthread_mutex_init(m,f)
+#define x264_pthread_mutex_init(m,f) 0
#define x264_pthread_mutex_destroy(m)
#define x264_pthread_mutex_lock(m)
#define x264_pthread_mutex_unlock(m)
#define x264_pthread_cond_t int
-#define x264_pthread_cond_init(c,f)
+#define x264_pthread_cond_init(c,f) 0
#define x264_pthread_cond_destroy(c)
#define x264_pthread_cond_broadcast(c)
-#define x264_pthread_cond_wait(c,m) usleep(100)
+#define x264_pthread_cond_wait(c,m)
+#define x264_pthread_attr_t int
+#define x264_pthread_attr_init(a) 0
+#define x264_pthread_attr_destroy(a)
#endif
-/* FIXME: long isn't always the native register size (e.g. win64). */
-#define WORD_SIZE sizeof(long)
+#define WORD_SIZE sizeof(void*)
+
+#if !defined(_WIN64) && !defined(__LP64__)
+#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
+#define BROKEN_STACK_ALIGNMENT /* define it if stack is not mod16 */
+#endif
+#endif
+
+#ifdef WORDS_BIGENDIAN
+#define endian_fix(x) (x)
+#define endian_fix32(x) (x)
+#define endian_fix16(x) (x)
+#else
+#if defined(__GNUC__) && defined(HAVE_MMX)
+static ALWAYS_INLINE uint32_t endian_fix32( uint32_t x )
+{
+ asm("bswap %0":"+r"(x));
+ return x;
+}
+static ALWAYS_INLINE intptr_t endian_fix( intptr_t x )
+{
+ asm("bswap %0":"+r"(x));
+ return x;
+}
+#elif defined(__GNUC__) && defined(HAVE_ARMV6)
+static ALWAYS_INLINE intptr_t endian_fix( intptr_t x )
+{
+ asm("rev %0, %0":"+r"(x));
+ return x;
+}
+#define endian_fix32 endian_fix
+#else
+static ALWAYS_INLINE uint32_t endian_fix32( uint32_t x )
+{
+ return (x<<24) + ((x<<8)&0xff0000) + ((x>>8)&0xff00) + (x>>24);
+}
+static ALWAYS_INLINE intptr_t endian_fix( intptr_t x )
+{
+ if( WORD_SIZE == 8 )
+ return endian_fix32(x>>32) + ((uint64_t)endian_fix32(x)<<32);
+ else
+ return endian_fix32(x);
+}
+#endif
+static ALWAYS_INLINE uint16_t endian_fix16( uint16_t x )
+{
+ return (x<<8)|(x>>8);
+}
+#endif
+
+#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 3)
+#define x264_clz(x) __builtin_clz(x)
+#else
+static int ALWAYS_INLINE x264_clz( uint32_t x )
+{
+ static uint8_t lut[16] = {4,3,2,2,1,1,1,1,0,0,0,0,0,0,0,0};
+ int y, z = ((x - 0x10000) >> 27) & 16;
+ x >>= z^16;
+ z += y = ((x - 0x100) >> 28) & 8;
+ x >>= y^8;
+ z += y = ((x - 0x10) >> 29) & 4;
+ x >>= y^4;
+ return z + lut[x];
+}
+#endif
+
+#ifdef USE_REAL_PTHREAD
+#ifdef SYS_MINGW
+#define x264_lower_thread_priority(p)\
+{\
+ x264_pthread_t handle = pthread_self();\
+ struct sched_param sp;\
+ int policy = SCHED_OTHER;\
+ pthread_getschedparam( handle, &policy, &sp );\
+ sp.sched_priority -= p;\
+ pthread_setschedparam( handle, policy, &sp );\
+}
+#else
+#include <unistd.h>
+#define x264_lower_thread_priority(p) { UNUSED int nice_ret = nice(p); }
+#endif /* USE_REAL_PTHREAD */
+#else
+#define x264_lower_thread_priority(p)
+#endif
#endif /* X264_OSDEP_H */
projects / x264 / blobdiff