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-rw-r--r--OpenAL32/sample_cvt.c103
1 files changed, 22 insertions, 81 deletions
diff --git a/OpenAL32/sample_cvt.c b/OpenAL32/sample_cvt.c
index 8f67548b..0bbfb86c 100644
--- a/OpenAL32/sample_cvt.c
+++ b/OpenAL32/sample_cvt.c
@@ -502,10 +502,8 @@ static void EncodeMSADPCMBlock(ALmsadpcm *dst, const ALshort *src, ALint *sample
#define DECL_TEMPLATE(T) \
static inline T Conv_##T##_##T(T val) { return val; }
-DECL_TEMPLATE(ALbyte);
DECL_TEMPLATE(ALubyte);
DECL_TEMPLATE(ALshort);
-DECL_TEMPLATE(ALushort);
DECL_TEMPLATE(ALalaw);
DECL_TEMPLATE(ALmulaw);
@@ -523,62 +521,33 @@ static inline ALdouble Conv_ALdouble_ALdouble(ALdouble val)
#undef DECL_TEMPLATE
-/* Define alternate-sign functions. */
-#define DECL_TEMPLATE(T1, T2, O) \
-static inline T1 Conv_##T1##_##T2(T2 val) { return (T1)val - O; } \
-static inline T2 Conv_##T2##_##T1(T1 val) { return (T2)val + O; }
-
-DECL_TEMPLATE(ALbyte, ALubyte, 128);
-DECL_TEMPLATE(ALshort, ALushort, 32768);
-
-#undef DECL_TEMPLATE
-
/* Define int-type to int-type functions */
-#define DECL_TEMPLATE(T, T1, T2, SH) \
-static inline T Conv_##T##_##T1(T1 val){ return val >> SH; } \
-static inline T Conv_##T##_##T2(T2 val){ return Conv_##T1##_##T2(val) >> SH; }\
-static inline T1 Conv_##T1##_##T(T val){ return val << SH; } \
-static inline T2 Conv_##T2##_##T(T val){ return Conv_##T2##_##T1(val << SH); }
-
-DECL_TEMPLATE(ALbyte, ALshort, ALushort, 8)
-DECL_TEMPLATE(ALubyte, ALushort, ALshort, 8)
-
-#undef DECL_TEMPLATE
+static inline ALubyte Conv_ALubyte_ALshort(ALshort val) { return (val>>8) + 128; }
+static inline ALshort Conv_ALshort_ALubyte(ALubyte val) { return (val-128) << 8; }
/* Define int-type to fp functions */
-#define DECL_TEMPLATE(T, ST, UT, OP) \
-static inline T Conv_##T##_##ST(ST val) { return (T)val * OP; } \
-static inline T Conv_##T##_##UT(UT val) { return (T)Conv_##ST##_##UT(val) * OP; }
-
-#define DECL_TEMPLATE2(T1, T2, OP) \
-DECL_TEMPLATE(T1, AL##T2, ALu##T2, OP)
-
-DECL_TEMPLATE2(ALfloat, byte, (1.0f/128.0f))
-DECL_TEMPLATE2(ALdouble, byte, (1.0/128.0))
-DECL_TEMPLATE2(ALfloat, short, (1.0f/32768.0f))
-DECL_TEMPLATE2(ALdouble, short, (1.0/32768.0))
-
-#undef DECL_TEMPLATE2
-#undef DECL_TEMPLATE
+static inline ALfloat Conv_ALfloat_ALubyte(ALubyte val) { return (val-128) * (1.0f/128.0f); }
+static inline ALdouble Conv_ALdouble_ALubyte(ALubyte val) { return (val-128) * (1.0/128.0); }
+static inline ALfloat Conv_ALfloat_ALshort(ALshort val) { return val * (1.0f/32768.0f); }
+static inline ALdouble Conv_ALdouble_ALshort(ALshort val) { return val * (1.0/32768.0); }
/* Define fp to int-type functions */
-#define DECL_TEMPLATE(FT, T, smin, smax) \
-static inline AL##T Conv_AL##T##_##FT(FT val) \
-{ \
- val *= (FT)smax + 1; \
- if(val >= (FT)smax) return smax; \
- if(val <= (FT)smin) return smin; \
- return (AL##T)val; \
-} \
-static inline ALu##T Conv_ALu##T##_##FT(FT val) \
-{ return Conv_ALu##T##_AL##T(Conv_AL##T##_##FT(val)); }
-
-DECL_TEMPLATE(ALfloat, byte, -128, 127)
-DECL_TEMPLATE(ALdouble, byte, -128, 127)
-DECL_TEMPLATE(ALfloat, short, -32768, 32767)
-DECL_TEMPLATE(ALdouble, short, -32768, 32767)
-
-#undef DECL_TEMPLATE
+static inline ALubyte Conv_ALubyte_ALfloat(ALfloat val)
+{
+ val *= 128.0f;
+ if(val >= 127.0f) return 255;
+ if(val <= -128.0f) return 0;
+ return (ALbyte)val + 128;
+}
+static inline ALubyte Conv_ALubyte_ALdouble(ALdouble val) { return Conv_ALubyte_ALfloat(val); }
+static inline ALshort Conv_ALshort_ALfloat(ALfloat val)
+{
+ val *= 32768.0f;
+ if(val >= 32767.0f) return 32767;
+ if(val <= -32768.0f) return -32768;
+ return (ALshort)val;
+}
+static inline ALshort Conv_ALshort_ALdouble(ALdouble val) { return Conv_ALshort_ALfloat(val); }
/* Define muLaw and aLaw functions (goes through short functions). */
#define DECL_TEMPLATE(T) \
@@ -592,10 +561,8 @@ static inline ALalaw Conv_ALalaw_##T(T val) \
static inline T Conv_##T##_ALalaw(ALalaw val) \
{ return Conv_##T##_ALshort(DecodeALaw(val)); }
-DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
@@ -619,19 +586,15 @@ static void Convert_##T1##_##T2(T1 *dst, const T2 *src, ALsizei numchans, \
}
#define DECL_TEMPLATE2(T) \
-DECL_TEMPLATE(T, ALbyte) \
DECL_TEMPLATE(T, ALubyte) \
DECL_TEMPLATE(T, ALshort) \
-DECL_TEMPLATE(T, ALushort) \
DECL_TEMPLATE(T, ALfloat) \
DECL_TEMPLATE(T, ALdouble) \
DECL_TEMPLATE(T, ALmulaw) \
DECL_TEMPLATE(T, ALalaw)
-DECL_TEMPLATE2(ALbyte)
DECL_TEMPLATE2(ALubyte)
DECL_TEMPLATE2(ALshort)
-DECL_TEMPLATE2(ALushort)
DECL_TEMPLATE2(ALfloat)
DECL_TEMPLATE2(ALdouble)
DECL_TEMPLATE2(ALmulaw)
@@ -662,7 +625,6 @@ static void Convert_##T##_ALima4(T *dst, const ALima4 *src, ALsizei numchans, \
} \
}
-DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALsizei numchans,
ALsizei len, ALsizei align)
@@ -678,7 +640,6 @@ static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALsizei numc
dst += align*numchans;
}
}
-DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
@@ -709,7 +670,6 @@ static void Convert_ALima4_##T(ALima4 *dst, const T *src, ALsizei numchans, \
} \
}
-DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
static void Convert_ALima4_ALshort(ALima4 *dst, const ALshort *src,
ALsizei numchans, ALsizei len, ALsizei align)
@@ -727,7 +687,6 @@ static void Convert_ALima4_ALshort(ALima4 *dst, const ALshort *src,
dst += byte_align;
}
}
-DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
@@ -759,7 +718,6 @@ static void Convert_##T##_ALmsadpcm(T *dst, const ALmsadpcm *src, \
} \
}
-DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src,
ALsizei numchans, ALsizei len,
@@ -776,7 +734,6 @@ static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src,
dst += align*numchans;
}
}
-DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
@@ -807,7 +764,6 @@ static void Convert_ALmsadpcm_##T(ALmsadpcm *dst, const T *src, \
} \
}
-DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
static void Convert_ALmsadpcm_ALshort(ALmsadpcm *dst, const ALshort *src,
ALsizei numchans, ALsizei len, ALsizei align)
@@ -824,7 +780,6 @@ static void Convert_ALmsadpcm_ALshort(ALmsadpcm *dst, const ALshort *src,
dst += byte_align;
}
}
-DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
@@ -869,18 +824,12 @@ static void Convert_##T(T *dst, const ALvoid *src, enum UserFmtType srcType, \
{ \
switch(srcType) \
{ \
- case UserFmtByte: \
- Convert_##T##_ALbyte(dst, src, numchans, len, align); \
- break; \
case UserFmtUByte: \
Convert_##T##_ALubyte(dst, src, numchans, len, align); \
break; \
case UserFmtShort: \
Convert_##T##_ALshort(dst, src, numchans, len, align); \
break; \
- case UserFmtUShort: \
- Convert_##T##_ALushort(dst, src, numchans, len, align); \
- break; \
case UserFmtFloat: \
Convert_##T##_ALfloat(dst, src, numchans, len, align); \
break; \
@@ -902,10 +851,8 @@ static void Convert_##T(T *dst, const ALvoid *src, enum UserFmtType srcType, \
} \
}
-DECL_TEMPLATE(ALbyte)
DECL_TEMPLATE(ALubyte)
DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
DECL_TEMPLATE(ALfloat)
DECL_TEMPLATE(ALdouble)
DECL_TEMPLATE(ALmulaw)
@@ -921,18 +868,12 @@ void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src,
{
switch(dstType)
{
- case UserFmtByte:
- Convert_ALbyte(dst, src, srcType, numchans, len, align);
- break;
case UserFmtUByte:
Convert_ALubyte(dst, src, srcType, numchans, len, align);
break;
case UserFmtShort:
Convert_ALshort(dst, src, srcType, numchans, len, align);
break;
- case UserFmtUShort:
- Convert_ALushort(dst, src, srcType, numchans, len, align);
- break;
case UserFmtFloat:
Convert_ALfloat(dst, src, srcType, numchans, len, align);
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 18:13:26 +0000