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path: root/extern/audaspace/src/respec/ConverterFunctions.cpp
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Diffstat (limited to 'extern/audaspace/src/respec/ConverterFunctions.cpp')
-rw-r--r--extern/audaspace/src/respec/ConverterFunctions.cpp464
1 files changed, 464 insertions, 0 deletions
diff --git a/extern/audaspace/src/respec/ConverterFunctions.cpp b/extern/audaspace/src/respec/ConverterFunctions.cpp
new file mode 100644
index 00000000000..d3df4a9ecbb
--- /dev/null
+++ b/extern/audaspace/src/respec/ConverterFunctions.cpp
@@ -0,0 +1,464 @@
+/*******************************************************************************
+ * Copyright 2009-2016 Jörg Müller
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ******************************************************************************/
+
+#include "respec/ConverterFunctions.h"
+
+#include <stdint.h>
+
+#define U8_0 0x80
+#define S16_MAX ((int16_t)0x7FFF)
+#define S16_MIN ((int16_t)0x8000)
+#define S16_FLT 32767.0f
+#define S32_MAX ((int32_t)0x7FFFFFFF)
+#define S32_MIN ((int32_t)0x80000000)
+#define S32_FLT 2147483647.0f
+#define FLT_MAX 1.0f
+#define FLT_MIN -1.0f
+
+AUD_NAMESPACE_BEGIN
+
+void convert_u8_s16(data_t* target, data_t* source, int length)
+{
+ int16_t* t = (int16_t*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = (((int16_t)source[i]) - U8_0) << 8;
+}
+
+void convert_u8_s24_be(data_t* target, data_t* source, int length)
+{
+ for(int i = length - 1; i >= 0; i--)
+ {
+ target[i*3] = source[i] - U8_0;
+ target[i*3+1] = 0;
+ target[i*3+2] = 0;
+ }
+}
+
+void convert_u8_s24_le(data_t* target, data_t* source, int length)
+{
+ for(int i = length - 1; i >= 0; i--)
+ {
+ target[i*3+2] = source[i] - U8_0;
+ target[i*3+1] = 0;
+ target[i*3] = 0;
+ }
+}
+
+void convert_u8_s32(data_t* target, data_t* source, int length)
+{
+ int32_t* t = (int32_t*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = (((int32_t)source[i]) - U8_0) << 24;
+}
+
+void convert_u8_float(data_t* target, data_t* source, int length)
+{
+ float* t = (float*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = (((int32_t)source[i]) - U8_0) / ((float)U8_0);
+}
+
+void convert_u8_double(data_t* target, data_t* source, int length)
+{
+ double* t = (double*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = (((int32_t)source[i]) - U8_0) / ((double)U8_0);
+}
+
+void convert_s16_u8(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ for(int i = 0; i < length; i++)
+ target[i] = (unsigned char)((s[i] >> 8) + U8_0);
+}
+
+void convert_s16_s24_be(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ int16_t t;
+ for(int i = length - 1; i >= 0; i--)
+ {
+ t = s[i];
+ target[i*3] = t >> 8 & 0xFF;
+ target[i*3+1] = t & 0xFF;
+ target[i*3+2] = 0;
+ }
+}
+
+void convert_s16_s24_le(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ int16_t t;
+ for(int i = length - 1; i >= 0; i--)
+ {
+ t = s[i];
+ target[i*3+2] = t >> 8 & 0xFF;
+ target[i*3+1] = t & 0xFF;
+ target[i*3] = 0;
+ }
+}
+
+void convert_s16_s32(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ int32_t* t = (int32_t*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = ((int32_t)s[i]) << 16;
+}
+
+void convert_s16_float(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ float* t = (float*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = s[i] / S16_FLT;
+}
+
+void convert_s16_double(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ double* t = (double*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = s[i] / S16_FLT;
+}
+
+void convert_s24_u8_be(data_t* target, data_t* source, int length)
+{
+ for(int i = 0; i < length; i++)
+ target[i] = source[i*3] ^ U8_0;
+}
+
+void convert_s24_u8_le(data_t* target, data_t* source, int length)
+{
+ for(int i = 0; i < length; i++)
+ target[i] = source[i*3+2] ^ U8_0;
+}
+
+void convert_s24_s16_be(data_t* target, data_t* source, int length)
+{
+ int16_t* t = (int16_t*) target;
+ for(int i = 0; i < length; i++)
+ t[i] = source[i*3] << 8 | source[i*3+1];
+}
+
+void convert_s24_s16_le(data_t* target, data_t* source, int length)
+{
+ int16_t* t = (int16_t*) target;
+ for(int i = 0; i < length; i++)
+ t[i] = source[i*3+2] << 8 | source[i*3+1];
+}
+
+void convert_s24_s24(data_t* target, data_t* source, int length)
+{
+ std::memcpy(target, source, length * 3);
+}
+
+void convert_s24_s32_be(data_t* target, data_t* source, int length)
+{
+ int32_t* t = (int32_t*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
+}
+
+void convert_s24_s32_le(data_t* target, data_t* source, int length)
+{
+ int32_t* t = (int32_t*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
+}
+
+void convert_s24_float_be(data_t* target, data_t* source, int length)
+{
+ float* t = (float*) target;
+ int32_t s;
+ for(int i = length - 1; i >= 0; i--)
+ {
+ s = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
+ t[i] = s / S32_FLT;
+ }
+}
+
+void convert_s24_float_le(data_t* target, data_t* source, int length)
+{
+ float* t = (float*) target;
+ int32_t s;
+ for(int i = length - 1; i >= 0; i--)
+ {
+ s = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
+ t[i] = s / S32_FLT;
+ }
+}
+
+void convert_s24_double_be(data_t* target, data_t* source, int length)
+{
+ double* t = (double*) target;
+ int32_t s;
+ for(int i = length - 1; i >= 0; i--)
+ {
+ s = source[i*3] << 24 | source[i*3+1] << 16 | source[i*3+2] << 8;
+ t[i] = s / S32_FLT;
+ }
+}
+
+void convert_s24_double_le(data_t* target, data_t* source, int length)
+{
+ double* t = (double*) target;
+ int32_t s;
+ for(int i = length - 1; i >= 0; i--)
+ {
+ s = source[i*3+2] << 24 | source[i*3+1] << 16 | source[i*3] << 8;
+ t[i] = s / S32_FLT;
+ }
+}
+
+void convert_s32_u8(data_t* target, data_t* source, int length)
+{
+ int16_t* s = (int16_t*) source;
+ for(int i = 0; i < length; i++)
+ target[i] = (unsigned char)((s[i] >> 24) + U8_0);
+}
+
+void convert_s32_s16(data_t* target, data_t* source, int length)
+{
+ int16_t* t = (int16_t*) target;
+ int32_t* s = (int32_t*) source;
+ for(int i = 0; i < length; i++)
+ t[i] = s[i] >> 16;
+}
+
+void convert_s32_s24_be(data_t* target, data_t* source, int length)
+{
+ int32_t* s = (int32_t*) source;
+ int32_t t;
+ for(int i = 0; i < length; i++)
+ {
+ t = s[i];
+ target[i*3] = t >> 24 & 0xFF;
+ target[i*3+1] = t >> 16 & 0xFF;
+ target[i*3+2] = t >> 8 & 0xFF;
+ }
+}
+
+void convert_s32_s24_le(data_t* target, data_t* source, int length)
+{
+ int32_t* s = (int32_t*) source;
+ int32_t t;
+ for(int i = 0; i < length; i++)
+ {
+ t = s[i];
+ target[i*3+2] = t >> 24 & 0xFF;
+ target[i*3+1] = t >> 16 & 0xFF;
+ target[i*3] = t >> 8 & 0xFF;
+ }
+}
+
+void convert_s32_float(data_t* target, data_t* source, int length)
+{
+ int32_t* s = (int32_t*) source;
+ float* t = (float*) target;
+ for(int i = 0; i < length; i++)
+ t[i] = s[i] / S32_FLT;
+}
+
+void convert_s32_double(data_t* target, data_t* source, int length)
+{
+ int32_t* s = (int32_t*) source;
+ double* t = (double*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = s[i] / S32_FLT;
+}
+
+void convert_float_u8(data_t* target, data_t* source, int length)
+{
+ float* s = (float*) source;
+ float t;
+ for(int i = 0; i < length; i++)
+ {
+ t = s[i] + FLT_MAX;
+ if(t <= 0.0f)
+ target[i] = 0;
+ else if(t >= 2.0f)
+ target[i] = 255;
+ else
+ target[i] = (unsigned char)(t*127);
+ }
+}
+
+void convert_float_s16(data_t* target, data_t* source, int length)
+{
+ int16_t* t = (int16_t*) target;
+ float* s = (float*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t[i] = S16_MIN;
+ else if(s[i] >= FLT_MAX)
+ t[i] = S16_MAX;
+ else
+ t[i] = (int16_t)(s[i] * S16_MAX);
+ }
+}
+
+void convert_float_s24_be(data_t* target, data_t* source, int length)
+{
+ int32_t t;
+ float* s = (float*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t = S32_MIN;
+ else if(s[i] >= FLT_MAX)
+ t = S32_MAX;
+ else
+ t = (int32_t)(s[i]*S32_MAX);
+ target[i*3] = t >> 24 & 0xFF;
+ target[i*3+1] = t >> 16 & 0xFF;
+ target[i*3+2] = t >> 8 & 0xFF;
+ }
+}
+
+void convert_float_s24_le(data_t* target, data_t* source, int length)
+{
+ int32_t t;
+ float* s = (float*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t = S32_MIN;
+ else if(s[i] >= FLT_MAX)
+ t = S32_MAX;
+ else
+ t = (int32_t)(s[i]*S32_MAX);
+ target[i*3+2] = t >> 24 & 0xFF;
+ target[i*3+1] = t >> 16 & 0xFF;
+ target[i*3] = t >> 8 & 0xFF;
+ }
+}
+
+void convert_float_s32(data_t* target, data_t* source, int length)
+{
+ int32_t* t = (int32_t*) target;
+ float* s = (float*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t[i] = S32_MIN;
+ else if(s[i] >= FLT_MAX)
+ t[i] = S32_MAX;
+ else
+ t[i] = (int32_t)(s[i]*S32_MAX);
+ }
+}
+
+void convert_float_double(data_t* target, data_t* source, int length)
+{
+ float* s = (float*) source;
+ double* t = (double*) target;
+ for(int i = length - 1; i >= 0; i--)
+ t[i] = s[i];
+}
+
+void convert_double_u8(data_t* target, data_t* source, int length)
+{
+ double* s = (double*) source;
+ double t;
+ for(int i = 0; i < length; i++)
+ {
+ t = s[i] + FLT_MAX;
+ if(t <= 0.0)
+ target[i] = 0;
+ else if(t >= 2.0)
+ target[i] = 255;
+ else
+ target[i] = (unsigned char)(t*127);
+ }
+}
+
+void convert_double_s16(data_t* target, data_t* source, int length)
+{
+ int16_t* t = (int16_t*) target;
+ double* s = (double*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t[i] = S16_MIN;
+ else if(s[i] >= FLT_MAX)
+ t[i] = S16_MAX;
+ else
+ t[i] = (int16_t)(s[i]*S16_MAX);
+ }
+}
+
+void convert_double_s24_be(data_t* target, data_t* source, int length)
+{
+ int32_t t;
+ double* s = (double*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t = S32_MIN;
+ else if(s[i] >= FLT_MAX)
+ t = S32_MAX;
+ else
+ t = (int32_t)(s[i]*S32_MAX);
+ target[i*3] = t >> 24 & 0xFF;
+ target[i*3+1] = t >> 16 & 0xFF;
+ target[i*3+2] = t >> 8 & 0xFF;
+ }
+}
+
+void convert_double_s24_le(data_t* target, data_t* source, int length)
+{
+ int32_t t;
+ double* s = (double*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t = S32_MIN;
+ else if(s[i] >= FLT_MAX)
+ t = S32_MAX;
+ else
+ t = (int32_t)(s[i]*S32_MAX);
+ target[i*3+2] = t >> 24 & 0xFF;
+ target[i*3+1] = t >> 16 & 0xFF;
+ target[i*3] = t >> 8 & 0xFF;
+ }
+}
+
+void convert_double_s32(data_t* target, data_t* source, int length)
+{
+ int32_t* t = (int32_t*) target;
+ double* s = (double*) source;
+ for(int i = 0; i < length; i++)
+ {
+ if(s[i] <= FLT_MIN)
+ t[i] = S32_MIN;
+ else if(s[i] >= FLT_MAX)
+ t[i] = S32_MAX;
+ else
+ t[i] = (int32_t)(s[i]*S32_MAX);
+ }
+}
+
+void convert_double_float(data_t* target, data_t* source, int length)
+{
+ double* s = (double*) source;
+ float* t = (float*) target;
+ for(int i = 0; i < length; i++)
+ t[i] = s[i];
+}
+
+AUD_NAMESPACE_END
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