[FFmpeg-cvslog] r21335 - in trunk/libavutil: arm/intmath.h internal.h intmath.h x86/intmath.h
mru
subversion
Wed Jan 20 00:25:37 CET 2010
Author: mru
Date: Wed Jan 20 00:25:36 2010
New Revision: 21335
Log:
Move FASTDIV macro to intmath.h
Added:
trunk/libavutil/arm/intmath.h
trunk/libavutil/x86/intmath.h
Modified:
trunk/libavutil/internal.h
trunk/libavutil/intmath.h
Added: trunk/libavutil/arm/intmath.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavutil/arm/intmath.h Wed Jan 20 00:25:36 2010 (r21335)
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2010 Mans Rullgard <mans at mansr.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_ARM_INTMATH_H
+#define AVUTIL_ARM_INTMATH_H
+
+#include "config.h"
+#include "libavutil/common.h"
+
+#if HAVE_INLINE_ASM
+
+#if HAVE_ARMV6
+static inline av_const int FASTDIV(int a, int b)
+{
+ int r, t;
+ __asm__ volatile("cmp %3, #2 \n\t"
+ "ldr %1, [%4, %3, lsl #2] \n\t"
+ "lsrle %0, %2, #1 \n\t"
+ "smmulgt %0, %1, %2 \n\t"
+ : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse));
+ return r;
+}
+#else
+static inline av_const int FASTDIV(int a, int b)
+{
+ int r, t;
+ __asm__ volatile("umull %1, %0, %2, %3"
+ : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b]));
+ return r;
+}
+#endif
+
+#define FASTDIV FASTDIV
+
+#endif /* HAVE_INLINE_ASM */
+
+#endif /* AVUTIL_ARM_INTMATH_H */
Modified: trunk/libavutil/internal.h
==============================================================================
--- trunk/libavutil/internal.h Wed Jan 20 00:18:19 2010 (r21334)
+++ trunk/libavutil/internal.h Wed Jan 20 00:25:36 2010 (r21335)
@@ -120,44 +120,6 @@
/* math */
-extern const uint32_t ff_inverse[257];
-
-#if ARCH_X86
-# define FASTDIV(a,b) \
- ({\
- int ret, dmy;\
- __asm__ volatile(\
- "mull %3"\
- :"=d"(ret), "=a"(dmy)\
- :"1"(a), "g"(ff_inverse[b])\
- );\
- ret;\
- })
-#elif HAVE_ARMV6 && HAVE_INLINE_ASM
-static inline av_const int FASTDIV(int a, int b)
-{
- int r, t;
- __asm__ volatile("cmp %3, #2 \n\t"
- "ldr %1, [%4, %3, lsl #2] \n\t"
- "lsrle %0, %2, #1 \n\t"
- "smmulgt %0, %1, %2 \n\t"
- : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse));
- return r;
-}
-#elif ARCH_ARM && HAVE_INLINE_ASM
-static inline av_const int FASTDIV(int a, int b)
-{
- int r, t;
- __asm__ volatile("umull %1, %0, %2, %3"
- : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b]));
- return r;
-}
-#elif CONFIG_FASTDIV
-# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
-#else
-# define FASTDIV(a,b) ((a) / (b))
-#endif
-
extern const uint8_t ff_sqrt_tab[256];
static inline av_const unsigned int ff_sqrt(unsigned int a)
Modified: trunk/libavutil/intmath.h
==============================================================================
--- trunk/libavutil/intmath.h Wed Jan 20 00:18:19 2010 (r21334)
+++ trunk/libavutil/intmath.h Wed Jan 20 00:25:36 2010 (r21335)
@@ -24,6 +24,14 @@
#include "config.h"
#include "common.h"
+extern const uint32_t ff_inverse[257];
+
+#if ARCH_ARM
+# include "arm/intmath.h"
+#elif ARCH_X86
+# include "x86/intmath.h"
+#endif
+
#if HAVE_FAST_CLZ && AV_GCC_VERSION_AT_LEAST(3,4)
#ifndef av_log2
@@ -38,4 +46,14 @@
#endif /* AV_GCC_VERSION_AT_LEAST(3,4) */
+#ifndef FASTDIV
+
+#if CONFIG_FASTDIV
+# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
+#else
+# define FASTDIV(a,b) ((a) / (b))
+#endif
+
+#endif /* FASTDIV */
+
#endif /* AVUTIL_INTMATH_H */
Added: trunk/libavutil/x86/intmath.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ trunk/libavutil/x86/intmath.h Wed Jan 20 00:25:36 2010 (r21335)
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2010 Mans Rullgard <mans at mansr.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_X86_INTMATH_H
+#define AVUTIL_X86_INTMATH_H
+
+#include "libavutil/common.h"
+
+#define FASTDIV(a,b) \
+ ({\
+ int ret, dmy;\
+ __asm__ volatile(\
+ "mull %3"\
+ :"=d"(ret), "=a"(dmy)\
+ :"1"(a), "g"(ff_inverse[b])\
+ );\
+ ret;\
+ })
+
+#endif /* AVUTIL_X86_INTMATH_H */
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