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Update dr_wav.

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This commit is contained in:
David Reid
2020-01-12 08:28:28 +10:00
parent fc3771c443
commit 77990ddf95
1 changed files with 15 additions and 10 deletions
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extras/dr_wav.h
+15 -10
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@@ -1,6 +1,6 @@
/*
WAV audio loader and writer. Choice of public domain or MIT-0. See license statements at the end of this file.
dr_wav - v0.11.2 - 2019-12-02
dr_wav - v0.11.3 - 2020-01-12
David Reid - mackron@gmail.com
*/
@@ -3440,6 +3440,7 @@ drwav_uint64 drwav_read_pcm_frames_s16__ima(drwav* pWav, drwav_uint64 framesToRe
drwav_uint32 iByte;
drwav_uint8 nibbles[4];
if (pWav->onRead(pWav->pUserData, &nibbles, 4) != 4) {
pWav->ima.cachedFrameCount = 0;
return totalFramesRead;
}
pWav->ima.bytesRemainingInBlock -= 4;
@@ -4173,7 +4174,11 @@ void drwav_u8_to_f32(float* pOut, const drwav_uint8* pIn, size_t sampleCount)
}
#else
for (i = 0; i < sampleCount; ++i) {
*pOut++ = (pIn[i] / 255.0f) * 2 - 1;
float x = pIn[i];
x = x * 0.00784313725490196078f; /* 0..255 to 0..2 */
x = x - 1; /* 0..2 to -1..1 */
*pOut++ = x;
}
#endif
}
@@ -4187,7 +4192,7 @@ void drwav_s16_to_f32(float* pOut, const drwav_int16* pIn, size_t sampleCount)
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = pIn[i] / 32768.0f;
*pOut++ = pIn[i] * 0.000030517578125f;
}
}
@@ -4200,12 +4205,8 @@ void drwav_s24_to_f32(float* pOut, const drwav_uint8* pIn, size_t sampleCount)
}
for (i = 0; i < sampleCount; ++i) {
unsigned int s0 = pIn[i*3 + 0];
unsigned int s1 = pIn[i*3 + 1];
unsigned int s2 = pIn[i*3 + 2];
int sample32 = (int)((s0 << 8) | (s1 << 16) | (s2 << 24));
*pOut++ = (float)(sample32 / 2147483648.0);
double x = (double)(((drwav_int32)(((drwav_uint32)(pIn[i*3+0]) << 8) | ((drwav_uint32)(pIn[i*3+1]) << 16) | ((drwav_uint32)(pIn[i*3+2])) << 24)) >> 8);
*pOut++ = (float)(x * 0.00000011920928955078125);
}
}
@@ -5051,6 +5052,10 @@ void drwav_free(void* p, const drwav_allocation_callbacks* pAllocationCallbacks)
/*
REVISION HISTORY
================
v0.11.3 - 2020-01-12
- Minor changes to some f32 format conversion routines.
- Minor bug fix for ADPCM conversion when end of file is reached.
v0.11.2 - 2019-12-02
- Fix a possible crash when using custom memory allocators without a custom realloc() implementation.
- Fix an integer overflow bug.
@@ -5339,7 +5344,7 @@ For more information, please refer to <http://unlicense.org/>
===============================================================================
ALTERNATIVE 2 - MIT No Attribution
===============================================================================
Copyright 2018 David Reid
Copyright 2020 David Reid
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in