From 42bd5b46f09556e04994981e83d8da397912a303 Mon Sep 17 00:00:00 2001
From: Jens Arnold <amiconn@rockbox.org>
Date: Thu, 12 Jul 2007 22:12:25 +0000
Subject: WMA codec: Coldfire is capable of unaligned memory accesses, so lets
 make use of it. ~1.5% speedup.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13865 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs/libwma/Makefile        |  2 +-
 apps/codecs/libwma/bitstream.h     |  2 +-
 apps/codecs/libwma/bswap.h         | 25 +++++++++++++++++++++++--
 apps/codecs/libwma/ffmpeg_config.h | 11 +++++++++--
 4 files changed, 34 insertions(+), 6 deletions(-)

(limited to 'apps/codecs/libwma')

diff --git a/apps/codecs/libwma/Makefile b/apps/codecs/libwma/Makefile
index 0d7f966737..91ea49b1fb 100644
--- a/apps/codecs/libwma/Makefile
+++ b/apps/codecs/libwma/Makefile
@@ -14,7 +14,7 @@ ifdef APPEXTRA
    INCLUDES += $(patsubst %,-I$(APPSDIR)/%,$(subst :, ,$(APPEXTRA)))
 endif
 
-WMAOPTS = -O2
+WMAOPTS = -O2 -DROCKBOX
 CFLAGS = $(INCLUDES) $(GCCOPTS) $(TARGET_INC) $(WMAOPTS) $(TARGET) \
 $(EXTRA_DEFINES) -DMEM=${MEMORYSIZE} $(PROFILE_OPTS) -DCODEC=1
 
diff --git a/apps/codecs/libwma/bitstream.h b/apps/codecs/libwma/bitstream.h
index c02845e09b..77ccff695e 100644
--- a/apps/codecs/libwma/bitstream.h
+++ b/apps/codecs/libwma/bitstream.h
@@ -203,7 +203,7 @@ typedef struct RL_VLC_ELEM {
 #endif
 
 /* used to avoid missaligned exceptions on some archs (alpha, ...) */
-#if defined(ARCH_X86)
+#if defined(ARCH_X86) || defined(CPU_COLDFIRE)
 #    define unaligned16(a) (*(const uint16_t*)(a))
 #    define unaligned32(a) (*(const uint32_t*)(a))
 #    define unaligned64(a) (*(const uint64_t*)(a))
diff --git a/apps/codecs/libwma/bswap.h b/apps/codecs/libwma/bswap.h
index 460f7abd40..33377cfcba 100644
--- a/apps/codecs/libwma/bswap.h
+++ b/apps/codecs/libwma/bswap.h
@@ -10,7 +10,28 @@
 #include <byteswap.h>
 #else
 
-#ifdef ARCH_X86
+#ifdef ROCKBOX
+#include "codecs.h"
+
+/* rockbox' optimised inline functions */
+#define bswap_16(x) swap16(x)
+#define bswap_32(x) swap32(x)
+
+static inline uint64_t ByteSwap64(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;
+}
+#define bswap_64(x) ByteSwap64(x)
+
+#elif defined(ARCH_X86)
 static inline unsigned short ByteSwap16(unsigned short x)
 {
   __asm("xchgb %b0,%h0"	:
@@ -83,7 +104,7 @@ static inline uint64_t ByteSwap64(uint64_t x)
 #else
 
 #define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
-			
+
 
 // code from bits/byteswap.h (C) 1997, 1998 Free Software Foundation, Inc.
 #define bswap_32(x) \
diff --git a/apps/codecs/libwma/ffmpeg_config.h b/apps/codecs/libwma/ffmpeg_config.h
index 40815cb54b..12b0666e42 100644
--- a/apps/codecs/libwma/ffmpeg_config.h
+++ b/apps/codecs/libwma/ffmpeg_config.h
@@ -1,7 +1,14 @@
 /* Automatically generated by configure - do not modify */
-#ifndef _CONFIG_H
-#define _CONFIG_H
+#ifndef _FFMPEG_CONFIG_H
+#define _FFMPEG_CONFIG_H
+#include "codecs.h"
 
+#ifdef CPU_ARM
 #define CONFIG_ALIGN 1
+#endif
+
+#ifdef ROCKBOX_BIG_ENDIAN
+#define WORDS_BIGENDIAN
+#endif
 
 #endif
-- 
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