From b84f9590a0b2bb1b30ae6848cba7580ab56bb95d Mon Sep 17 00:00:00 2001
From: Steve Murphy <murf@digium.com>
Date: Tue, 21 Aug 2007 16:39:09 +0000
Subject: [PATCH] ugh. removing the diffs from ulaw.h and alaw.h for now;
 accidentally added them in 80166

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@80167 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 include/asterisk/alaw.h | 50 +----------------------------------------
 include/asterisk/ulaw.h | 50 -----------------------------------------
 2 files changed, 1 insertion(+), 99 deletions(-)

diff --git a/include/asterisk/alaw.h b/include/asterisk/alaw.h
index 5f6c9a3731..44b3bad86e 100644
--- a/include/asterisk/alaw.h
+++ b/include/asterisk/alaw.h
@@ -23,69 +23,21 @@
 #ifndef _ASTERISK_ALAW_H
 #define _ASTERISK_ALAW_H
 
-#define G711_FAST_AND_DIRTY 1
-/* #define G711_REDUCED_BRANCHING */
-
 /*! Init the ulaw conversion stuff */
 /*!
  * To init the ulaw to slinear conversion stuff, this needs to be run.
  */
 void ast_alaw_init(void);
 
-#define AST_ALAW_BIT_LOSS  4
-#define AST_ALAW_STEP      (1 << AST_ALAW_BIT_LOSS)
-#define AST_ALAW_TAB_SIZE  (32768 / AST_ALAW_STEP + 1)
-#define AST_ALAW_SIGN_BIT  0x80
-#define AST_ALAW_AMI_MASK  0x55
-
-
 /*! converts signed linear to mulaw */
 /*!
- */
-#ifdef G711_FAST_AND_DIRTY
+  */
 extern unsigned char __ast_lin2a[8192];
-#else
-extern unsigned char __ast_lin2a[AST_ALAW_TAB_SIZE];
-#endif
 
 /*! help */
 extern short __ast_alaw[256];
 
-#ifdef G711_FAST_AND_DIRTY
 #define AST_LIN2A(a) (__ast_lin2a[((unsigned short)(a)) >> 3])
-#else
-#define AST_LIN2A_LOOKUP(mag)							\
-	__ast_lin2a[(mag) >> AST_ALAW_BIT_LOSS]
-
-/*! convert signed linear sample to sign-magnitude pair for a-Law */
-static inline void ast_alaw_get_sign_mag(short sample, unsigned *sign, unsigned *mag)
-{
-	/* It may look illogical to retrive the sign this way in both cases,
-	 * but this helps gcc eliminate the branch below and produces
-	 * faster code */
-	*sign = ((unsigned short)sample >> 8) & AST_ALAW_SIGN_BIT;
-#if defined(G711_REDUCED_BRANCHING)
-	{
-		unsigned dual_mag = (-sample << 16) | (unsigned short)sample;
-		*mag = (dual_mag >> (*sign >> 3)) & 0xffffU;
-	}
-#else
-	if (sample < 0)
-		*mag = -sample;
-	else
-		*mag = sample;
-#endif /* G711_REDUCED_BRANCHING */
-	*sign ^= AST_ALAW_SIGN_BIT;
-}
-
-static inline unsigned char AST_LIN2A(short sample)
-{
-	unsigned mag, sign;
-	ast_alaw_get_sign_mag(sample, &sign, &mag);
-	return (sign | AST_LIN2A_LOOKUP(mag)) ^ AST_ALAW_AMI_MASK;
-}
-#endif
-
 #define AST_ALAW(a) (__ast_alaw[(int)(a)])
 
 #endif /* _ASTERISK_ALAW_H */
diff --git a/include/asterisk/ulaw.h b/include/asterisk/ulaw.h
index 2c7940f260..d9ab0d1787 100644
--- a/include/asterisk/ulaw.h
+++ b/include/asterisk/ulaw.h
@@ -23,71 +23,21 @@
 #ifndef _ASTERISK_ULAW_H
 #define _ASTERISK_ULAW_H
 
-#define G711_FAST_AND_DIRTY 1
-
-/* #define G711_REDUCED_BRANCHING */
-
 /*! Init the ulaw conversion stuff */
 /*!
  * To init the ulaw to slinear conversion stuff, this needs to be run.
  */
 void ast_ulaw_init(void);
 
-#define AST_ULAW_BIT_LOSS  3
-#define AST_ULAW_STEP      (1 << AST_ULAW_BIT_LOSS)
-#define AST_ULAW_TAB_SIZE  (32768 / AST_ULAW_STEP + 1)
-#define AST_ULAW_SIGN_BIT  0x80
-
 /*! converts signed linear to mulaw */
 /*!
   */
-#ifdef G711_FAST_AND_DIRTY
 extern unsigned char __ast_lin2mu[16384];
-#else
-extern unsigned char __ast_lin2mu[AST_ULAW_TAB_SIZE];
-#endif
 
 /*! help */
 extern short __ast_mulaw[256];
 
-#ifdef G711_FAST_AND_DIRTY
-
 #define AST_LIN2MU(a) (__ast_lin2mu[((unsigned short)(a)) >> 2])
-
-#else
-
-#define AST_LIN2MU_LOOKUP(mag)											\
-	__ast_lin2mu[((mag) + AST_ULAW_STEP / 2) >> AST_ULAW_BIT_LOSS]
-
-
-/*! convert signed linear sample to sign-magnitude pair for u-Law */
-static inline void ast_ulaw_get_sign_mag(short sample, unsigned *sign, unsigned *mag)
-{
-       /* It may look illogical to retrive the sign this way in both cases,
-        * but this helps gcc eliminate the branch below and produces
-        * faster code */
-       *sign = ((unsigned short)sample >> 8) & AST_ULAW_SIGN_BIT;
-#if defined(G711_REDUCED_BRANCHING)
-       {
-               unsigned dual_mag = (-sample << 16) | (unsigned short)sample;
-               *mag = (dual_mag >> (*sign >> 3)) & 0xffffU;
-       }
-#else
-       if (sample < 0)
-               *mag = -sample;
-       else
-               *mag = sample;
-#endif /* G711_REDUCED_BRANCHING */
-}
-
-static inline unsigned char AST_LIN2MU(short sample)
-{
-       unsigned mag, sign;
-       ast_ulaw_get_sign_mag(sample, &sign, &mag);
-       return ~(sign | AST_LIN2MU_LOOKUP(mag));
-}
-#endif
-
 #define AST_MULAW(a) (__ast_mulaw[(a)])
 
 #endif /* _ASTERISK_ULAW_H */