Move the sample conversion routines to a separate file

3 files changed, 1278 insertions, 1261 deletions

diff --git a/OpenAL32/Include/sample_cvt.h b/OpenAL32/Include/sample_cvt.h
new file mode 100644
index 00000000..12bb1fa6
--- /dev/null
+++ b/OpenAL32/Include/sample_cvt.h
@@ -0,0 +1,9 @@
+#ifndef SAMPLE_CVT_H
+#define SAMPLE_CVT_H
+
+#include "AL/al.h"
+#include "alBuffer.h"
+
+void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src, enum UserFmtType srcType, ALsizei numchans, ALsizei len, ALsizei align);
+
+#endif /* SAMPLE_CVT_H */
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c
index 7230fe29..100a60c5 100644
--- a/OpenAL32/alBuffer.c
+++ b/OpenAL32/alBuffer.c
@@ -24,9 +24,6 @@
 #include <stdio.h>
 #include <assert.h>
 #include <limits.h>
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
 #ifdef HAVE_MALLOC_H
 #include <malloc.h>
 #endif
@@ -36,6 +33,7 @@
 #include "alError.h"
 #include "alBuffer.h"
 #include "alThunk.h"
+#include "sample_cvt.h"
 
 
 extern inline struct ALbuffer *LookupBuffer(ALCdevice *device, ALuint id);
@@ -44,7 +42,6 @@ extern inline ALuint FrameSizeFromUserFmt(enum UserFmtChannels chans, enum UserF
 extern inline ALuint FrameSizeFromFmt(enum FmtChannels chans, enum FmtType type);
 
 static ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels chans, enum UserFmtType type, const ALvoid *data, ALsizei align, ALboolean storesrc);
-static void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src, enum UserFmtType srcType, ALsizei numchans, ALsizei len, ALsizei align);
 static ALboolean IsValidType(ALenum type);
 static ALboolean IsValidChannels(ALenum channels);
 static ALboolean DecomposeUserFormat(ALenum format, enum UserFmtChannels *chans, enum UserFmtType *type);
@@ -52,165 +49,6 @@ static ALboolean DecomposeFormat(ALenum format, enum FmtChannels *chans, enum Fm
 static ALboolean SanitizeAlignment(enum UserFmtType type, ALsizei *align);
 
 
-/*
- * Global Variables
- */
-
-/* IMA ADPCM Stepsize table */
-static const int IMAStep_size[89] = {
-       7,    8,    9,   10,   11,   12,   13,   14,   16,   17,   19,
-      21,   23,   25,   28,   31,   34,   37,   41,   45,   50,   55,
-      60,   66,   73,   80,   88,   97,  107,  118,  130,  143,  157,
-     173,  190,  209,  230,  253,  279,  307,  337,  371,  408,  449,
-     494,  544,  598,  658,  724,  796,  876,  963, 1060, 1166, 1282,
-    1411, 1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024, 3327, 3660,
-    4026, 4428, 4871, 5358, 5894, 6484, 7132, 7845, 8630, 9493,10442,
-   11487,12635,13899,15289,16818,18500,20350,22358,24633,27086,29794,
-   32767
-};
-
-/* IMA4 ADPCM Codeword decode table */
-static const int IMA4Codeword[16] = {
-    1, 3, 5, 7, 9, 11, 13, 15,
-   -1,-3,-5,-7,-9,-11,-13,-15,
-};
-
-/* IMA4 ADPCM Step index adjust decode table */
-static const int IMA4Index_adjust[16] = {
-   -1,-1,-1,-1, 2, 4, 6, 8,
-   -1,-1,-1,-1, 2, 4, 6, 8
-};
-
-
-/* MSADPCM Adaption table */
-static const int MSADPCMAdaption[16] = {
-    230, 230, 230, 230, 307, 409, 512, 614,
-    768, 614, 512, 409, 307, 230, 230, 230
-};
-
-/* MSADPCM Adaption Coefficient tables */
-static const int MSADPCMAdaptionCoeff[7][2] = {
-    { 256,    0 },
-    { 512, -256 },
-    {   0,    0 },
-    { 192,   64 },
-    { 240,    0 },
-    { 460, -208 },
-    { 392, -232 }
-};
-
-
-/* A quick'n'dirty lookup table to decode a muLaw-encoded byte sample into a
- * signed 16-bit sample */
-static const ALshort muLawDecompressionTable[256] = {
-    -32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
-    -23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
-    -15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412,
-    -11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316,
-     -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
-     -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
-     -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
-     -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
-     -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
-     -1372, -1308, -1244, -1180, -1116, -1052,  -988,  -924,
-      -876,  -844,  -812,  -780,  -748,  -716,  -684,  -652,
-      -620,  -588,  -556,  -524,  -492,  -460,  -428,  -396,
-      -372,  -356,  -340,  -324,  -308,  -292,  -276,  -260,
-      -244,  -228,  -212,  -196,  -180,  -164,  -148,  -132,
-      -120,  -112,  -104,   -96,   -88,   -80,   -72,   -64,
-       -56,   -48,   -40,   -32,   -24,   -16,    -8,     0,
-     32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
-     23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
-     15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
-     11900, 11388, 10876, 10364,  9852,  9340,  8828,  8316,
-      7932,  7676,  7420,  7164,  6908,  6652,  6396,  6140,
-      5884,  5628,  5372,  5116,  4860,  4604,  4348,  4092,
-      3900,  3772,  3644,  3516,  3388,  3260,  3132,  3004,
-      2876,  2748,  2620,  2492,  2364,  2236,  2108,  1980,
-      1884,  1820,  1756,  1692,  1628,  1564,  1500,  1436,
-      1372,  1308,  1244,  1180,  1116,  1052,   988,   924,
-       876,   844,   812,   780,   748,   716,   684,   652,
-       620,   588,   556,   524,   492,   460,   428,   396,
-       372,   356,   340,   324,   308,   292,   276,   260,
-       244,   228,   212,   196,   180,   164,   148,   132,
-       120,   112,   104,    96,    88,    80,    72,    64,
-        56,    48,    40,    32,    24,    16,     8,     0
-};
-
-/* Values used when encoding a muLaw sample */
-static const int muLawBias = 0x84;
-static const int muLawClip = 32635;
-static const char muLawCompressTable[256] = {
-     0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,
-     4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
-     5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-     5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-};
-
-
-/* A quick'n'dirty lookup table to decode an aLaw-encoded byte sample into a
- * signed 16-bit sample */
-static const ALshort aLawDecompressionTable[256] = {
-     -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
-     -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
-     -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
-     -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
-    -22016,-20992,-24064,-23040,-17920,-16896,-19968,-18944,
-    -30208,-29184,-32256,-31232,-26112,-25088,-28160,-27136,
-    -11008,-10496,-12032,-11520, -8960, -8448, -9984, -9472,
-    -15104,-14592,-16128,-15616,-13056,-12544,-14080,-13568,
-      -344,  -328,  -376,  -360,  -280,  -264,  -312,  -296,
-      -472,  -456,  -504,  -488,  -408,  -392,  -440,  -424,
-       -88,   -72,  -120,  -104,   -24,    -8,   -56,   -40,
-      -216,  -200,  -248,  -232,  -152,  -136,  -184,  -168,
-     -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
-     -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
-      -688,  -656,  -752,  -720,  -560,  -528,  -624,  -592,
-      -944,  -912, -1008,  -976,  -816,  -784,  -880,  -848,
-      5504,  5248,  6016,  5760,  4480,  4224,  4992,  4736,
-      7552,  7296,  8064,  7808,  6528,  6272,  7040,  6784,
-      2752,  2624,  3008,  2880,  2240,  2112,  2496,  2368,
-      3776,  3648,  4032,  3904,  3264,  3136,  3520,  3392,
-     22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
-     30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
-     11008, 10496, 12032, 11520,  8960,  8448,  9984,  9472,
-     15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
-       344,   328,   376,   360,   280,   264,   312,   296,
-       472,   456,   504,   488,   408,   392,   440,   424,
-        88,    72,   120,   104,    24,     8,    56,    40,
-       216,   200,   248,   232,   152,   136,   184,   168,
-      1376,  1312,  1504,  1440,  1120,  1056,  1248,  1184,
-      1888,  1824,  2016,  1952,  1632,  1568,  1760,  1696,
-       688,   656,   752,   720,   560,   528,   624,   592,
-       944,   912,  1008,   976,   816,   784,   880,   848
-};
-
-/* Values used when encoding an aLaw sample */
-static const int aLawClip = 32635;
-static const char aLawCompressTable[128] = {
-    1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,
-    5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-};
-
-
 AL_API ALvoid AL_APIENTRY alGenBuffers(ALsizei n, ALuint *buffers)
 {
     ALCdevice *device;
@@ -1113,1102 +951,6 @@ done:
 }
 
 
-typedef ALubyte ALmulaw;
-typedef ALubyte ALalaw;
-typedef ALubyte ALima4;
-typedef ALubyte ALmsadpcm;
-typedef struct {
-    ALbyte b[3];
-} ALbyte3;
-extern ALbyte ALbyte3_size_is_not_3[(sizeof(ALbyte3)==sizeof(ALbyte[3]))?1:-1];
-typedef struct {
-    ALubyte b[3];
-} ALubyte3;
-extern ALbyte ALubyte3_size_is_not_3[(sizeof(ALubyte3)==sizeof(ALubyte[3]))?1:-1];
-
-static inline ALshort DecodeMuLaw(ALmulaw val)
-{ return muLawDecompressionTable[val]; }
-
-static ALmulaw EncodeMuLaw(ALshort val)
-{
-    ALint mant, exp, sign;
-
-    sign = (val>>8) & 0x80;
-    if(sign)
-    {
-        /* -32768 doesn't properly negate on a short; it results in itself.
-         * So clamp to -32767 */
-        val = maxi(val, -32767);
-        val = -val;
-    }
-
-    val = mini(val, muLawClip);
-    val += muLawBias;
-
-    exp = muLawCompressTable[(val>>7) & 0xff];
-    mant = (val >> (exp+3)) & 0x0f;
-
-    return ~(sign | (exp<<4) | mant);
-}
-
-static inline ALshort DecodeALaw(ALalaw val)
-{ return aLawDecompressionTable[val]; }
-
-static ALalaw EncodeALaw(ALshort val)
-{
-    ALint mant, exp, sign;
-
-    sign = ((~val) >> 8) & 0x80;
-    if(!sign)
-    {
-        val = maxi(val, -32767);
-        val = -val;
-    }
-    val = mini(val, aLawClip);
-
-    if(val >= 256)
-    {
-        exp = aLawCompressTable[(val>>8) & 0x7f];
-        mant = (val >> (exp+3)) & 0x0f;
-    }
-    else
-    {
-        exp = 0;
-        mant = val >> 4;
-    }
-
-    return ((exp<<4) | mant) ^ (sign^0x55);
-}
-
-static void DecodeIMA4Block(ALshort *dst, const ALima4 *src, ALint numchans, ALsizei align)
-{
-    ALint sample[MAX_INPUT_CHANNELS], index[MAX_INPUT_CHANNELS];
-    ALuint code[MAX_INPUT_CHANNELS];
-    ALsizei j,k,c;
-
-    for(c = 0;c < numchans;c++)
-    {
-        sample[c]  = *(src++);
-        sample[c] |= *(src++) << 8;
-        sample[c]  = (sample[c]^0x8000) - 32768;
-        index[c]  = *(src++);
-        index[c] |= *(src++) << 8;
-        index[c]  = (index[c]^0x8000) - 32768;
-
-        index[c] = clampi(index[c], 0, 88);
-
-        dst[c] = sample[c];
-    }
-
-    for(j = 1;j < align;j += 8)
-    {
-        for(c = 0;c < numchans;c++)
-        {
-            code[c]  = *(src++);
-            code[c] |= *(src++) << 8;
-            code[c] |= *(src++) << 16;
-            code[c] |= *(src++) << 24;
-        }
-
-        for(k = 0;k < 8;k++)
-        {
-            for(c = 0;c < numchans;c++)
-            {
-                int nibble = code[c]&0xf;
-                code[c] >>= 4;
-
-                sample[c] += IMA4Codeword[nibble] * IMAStep_size[index[c]] / 8;
-                sample[c] = clampi(sample[c], -32768, 32767);
-
-                index[c] += IMA4Index_adjust[nibble];
-                index[c] = clampi(index[c], 0, 88);
-
-                dst[(j+k)*numchans + c] = sample[c];
-            }
-        }
-    }
-}
-
-static void EncodeIMA4Block(ALima4 *dst, const ALshort *src, ALint *sample, ALint *index, ALint numchans, ALsizei align)
-{
-    ALsizei j,k,c;
-
-    for(c = 0;c < numchans;c++)
-    {
-        int diff = src[c] - sample[c];
-        int step = IMAStep_size[index[c]];
-        int nibble;
-
-        nibble = 0;
-        if(diff < 0)
-        {
-            nibble = 0x8;
-            diff = -diff;
-        }
-
-        diff = mini(step*2, diff);
-        nibble |= (diff*8/step - 1) / 2;
-
-        sample[c] += IMA4Codeword[nibble] * step / 8;
-        sample[c] = clampi(sample[c], -32768, 32767);
-
-        index[c] += IMA4Index_adjust[nibble];
-        index[c] = clampi(index[c], 0, 88);
-
-        *(dst++) = sample[c] & 0xff;
-        *(dst++) = (sample[c]>>8) & 0xff;
-        *(dst++) = index[c] & 0xff;
-        *(dst++) = (index[c]>>8) & 0xff;
-    }
-
-    for(j = 1;j < align;j += 8)
-    {
-        for(c = 0;c < numchans;c++)
-        {
-            for(k = 0;k < 8;k++)
-            {
-                int diff = src[(j+k)*numchans + c] - sample[c];
-                int step = IMAStep_size[index[c]];
-                int nibble;
-
-                nibble = 0;
-                if(diff < 0)
-                {
-                    nibble = 0x8;
-                    diff = -diff;
-                }
-
-                diff = mini(step*2, diff);
-                nibble |= (diff*8/step - 1) / 2;
-
-                sample[c] += IMA4Codeword[nibble] * step / 8;
-                sample[c] = clampi(sample[c], -32768, 32767);
-
-                index[c] += IMA4Index_adjust[nibble];
-                index[c] = clampi(index[c], 0, 88);
-
-                if(!(k&1)) *dst = nibble;
-                else *(dst++) |= nibble<<4;
-            }
-        }
-    }
-}
-
-
-static void DecodeMSADPCMBlock(ALshort *dst, const ALmsadpcm *src, ALint numchans, ALsizei align)
-{
-    ALubyte blockpred[MAX_INPUT_CHANNELS];
-    ALint delta[MAX_INPUT_CHANNELS];
-    ALshort samples[MAX_INPUT_CHANNELS][2];
-    ALint i, j;
-
-    for(i = 0;i < numchans;i++)
-    {
-        blockpred[i] = *(src++);
-        blockpred[i] = minu(blockpred[i], 6);
-    }
-    for(i = 0;i < numchans;i++)
-    {
-        delta[i]  = *(src++);
-        delta[i] |= *(src++) << 8;
-        delta[i]  = (delta[i]^0x8000) - 0x8000;
-    }
-    for(i = 0;i < numchans;i++)
-    {
-        samples[i][0]  = *(src++);
-        samples[i][0] |= *(src++) << 8;
-        samples[i][0]  = (samples[i][0]^0x8000) - 0x8000;
-    }
-    for(i = 0;i < numchans;i++)
-    {
-        samples[i][1]  = *(src++);
-        samples[i][1] |= *(src++) << 8;
-        samples[i][1]  = (samples[i][1]^0x8000) - 0x8000;
-    }
-
-    /* Second sample is written first. */
-    for(i = 0;i < numchans;i++)
-        *(dst++) = samples[i][1];
-    for(i = 0;i < numchans;i++)
-        *(dst++) = samples[i][0];
-
-    for(j = 2;j < align;j++)
-    {
-        for(i = 0;i < numchans;i++)
-        {
-            const ALint num = (j*numchans) + i;
-            ALint nibble, pred;
-
-            /* Read the nibble and sign-expand it. */
-            if(!(num&1))
-                nibble = (*src>>4)&0x0f;
-            else
-                nibble = (*(src++))&0x0f;
-            nibble = (nibble^0x08) - 0x08;
-
-            pred  = (samples[i][0]*MSADPCMAdaptionCoeff[blockpred[i]][0] +
-                     samples[i][1]*MSADPCMAdaptionCoeff[blockpred[i]][1]) / 256;
-            pred += nibble * delta[i];
-            pred  = clampi(pred, -32768, 32767);
-
-            samples[i][1] = samples[i][0];
-            samples[i][0] = pred;
-
-            delta[i] = (MSADPCMAdaption[nibble&0x0f] * delta[i]) / 256;
-            delta[i] = maxi(16, delta[i]);
-
-            *(dst++) = pred;
-        }
-    }
-}
-
-/* NOTE: This encoder is pretty dumb/simplistic. Some kind of pre-processing
- * that tries to find the optimal block predictors would be nice, at least. A
- * multi-pass method that can generate better deltas would be good, too. */
-static void EncodeMSADPCMBlock(ALmsadpcm *dst, const ALshort *src, ALint *sample, ALint numchans, ALsizei align)
-{
-    ALubyte blockpred[MAX_INPUT_CHANNELS];
-    ALint delta[MAX_INPUT_CHANNELS];
-    ALshort samples[MAX_INPUT_CHANNELS][2];
-    ALint i, j;
-
-    /* Block predictor */
-    for(i = 0;i < numchans;i++)
-    {
-        /* FIXME: Calculate something better. */
-        blockpred[i] = 0;
-        *(dst++) = blockpred[i];
-    }
-    /* Initial delta */
-    for(i = 0;i < numchans;i++)
-    {
-        delta[i] = 16;
-        *(dst++) = (delta[i]   ) & 0xff;
-        *(dst++) = (delta[i]>>8) & 0xff;
-    }
-    /* Initial sample 1 */
-    for(i = 0;i < numchans;i++)
-    {
-        samples[i][0] = src[1*numchans + i];
-        *(dst++) = (samples[i][0]   ) & 0xff;
-        *(dst++) = (samples[i][0]>>8) & 0xff;
-    }
-    /* Initial sample 2 */
-    for(i = 0;i < numchans;i++)
-    {
-        samples[i][1] = src[i];
-        *(dst++) = (samples[i][1]   ) & 0xff;
-        *(dst++) = (samples[i][1]>>8) & 0xff;
-    }
-
-    for(j = 2;j < align;j++)
-    {
-        for(i = 0;i < numchans;i++)
-        {
-            const ALint num = (j*numchans) + i;
-            ALint nibble = 0;
-            ALint bias;
-
-            sample[i] = (samples[i][0]*MSADPCMAdaptionCoeff[blockpred[i]][0] +
-                         samples[i][1]*MSADPCMAdaptionCoeff[blockpred[i]][1]) / 256;
-
-            nibble = src[num] - sample[i];
-            if(nibble >= 0)
-                bias = delta[i] / 2;
-            else
-                bias = -delta[i] / 2;
-
-            nibble = (nibble + bias) / delta[i];
-            nibble = clampi(nibble, -8, 7)&0x0f;
-
-            sample[i] += ((nibble^0x08)-0x08) * delta[i];
-            sample[i]  = clampi(sample[i], -32768, 32767);
-
-            samples[i][1] = samples[i][0];
-            samples[i][0] = sample[i];
-
-            delta[i] = (MSADPCMAdaption[nibble] * delta[i]) / 256;
-            delta[i] = maxi(16, delta[i]);
-
-            if(!(num&1))
-                *dst = nibble << 4;
-            else
-            {
-                *dst |= nibble;
-                dst++;
-            }
-        }
-    }
-}
-
-
-static inline ALint DecodeByte3(ALbyte3 val)
-{
-    if(IS_LITTLE_ENDIAN)
-        return (val.b[2]<<16) | (((ALubyte)val.b[1])<<8) | ((ALubyte)val.b[0]);
-    return (val.b[0]<<16) | (((ALubyte)val.b[1])<<8) | ((ALubyte)val.b[2]);
-}
-
-static inline ALbyte3 EncodeByte3(ALint val)
-{
-    if(IS_LITTLE_ENDIAN)
-    {
-        ALbyte3 ret = {{ val, val>>8, val>>16 }};
-        return ret;
-    }
-    else
-    {
-        ALbyte3 ret = {{ val>>16, val>>8, val }};
-        return ret;
-    }
-}
-
-static inline ALint DecodeUByte3(ALubyte3 val)
-{
-    if(IS_LITTLE_ENDIAN)
-        return (val.b[2]<<16) | (val.b[1]<<8) | (val.b[0]);
-    return (val.b[0]<<16) | (val.b[1]<<8) | val.b[2];
-}
-
-static inline ALubyte3 EncodeUByte3(ALint val)
-{
-    if(IS_LITTLE_ENDIAN)
-    {
-        ALubyte3 ret = {{ val, val>>8, val>>16 }};
-        return ret;
-    }
-    else
-    {
-        ALubyte3 ret = {{ val>>16, val>>8, val }};
-        return ret;
-    }
-}
-
-
-static inline ALbyte Conv_ALbyte_ALbyte(ALbyte val)
-{ return val; }
-static inline ALbyte Conv_ALbyte_ALubyte(ALubyte val)
-{ return val-128; }
-static inline ALbyte Conv_ALbyte_ALshort(ALshort val)
-{ return val>>8; }
-static inline ALbyte Conv_ALbyte_ALushort(ALushort val)
-{ return (val>>8)-128; }
-static inline ALbyte Conv_ALbyte_ALint(ALint val)
-{ return val>>24; }
-static inline ALbyte Conv_ALbyte_ALuint(ALuint val)
-{ return (val>>24)-128; }
-static inline ALbyte Conv_ALbyte_ALfloat(ALfloat val)
-{
-    if(val > 1.0f) return 127;
-    if(val < -1.0f) return -128;
-    return (ALint)(val * 127.0f);
-}
-static inline ALbyte Conv_ALbyte_ALdouble(ALdouble val)
-{
-    if(val > 1.0) return 127;
-    if(val < -1.0) return -128;
-    return (ALint)(val * 127.0);
-}
-static inline ALbyte Conv_ALbyte_ALmulaw(ALmulaw val)
-{ return Conv_ALbyte_ALshort(DecodeMuLaw(val)); }
-static inline ALbyte Conv_ALbyte_ALalaw(ALalaw val)
-{ return Conv_ALbyte_ALshort(DecodeALaw(val)); }
-static inline ALbyte Conv_ALbyte_ALbyte3(ALbyte3 val)
-{ return DecodeByte3(val)>>16; }
-static inline ALbyte Conv_ALbyte_ALubyte3(ALubyte3 val)
-{ return (DecodeUByte3(val)>>16)-128; }
-
-static inline ALubyte Conv_ALubyte_ALbyte(ALbyte val)
-{ return val+128; }
-static inline ALubyte Conv_ALubyte_ALubyte(ALubyte val)
-{ return val; }
-static inline ALubyte Conv_ALubyte_ALshort(ALshort val)
-{ return (val>>8)+128; }
-static inline ALubyte Conv_ALubyte_ALushort(ALushort val)
-{ return val>>8; }
-static inline ALubyte Conv_ALubyte_ALint(ALint val)
-{ return (val>>24)+128; }
-static inline ALubyte Conv_ALubyte_ALuint(ALuint val)
-{ return val>>24; }
-static inline ALubyte Conv_ALubyte_ALfloat(ALfloat val)
-{
-    if(val > 1.0f) return 255;
-    if(val < -1.0f) return 0;
-    return (ALint)(val * 127.0f) + 128;
-}
-static inline ALubyte Conv_ALubyte_ALdouble(ALdouble val)
-{
-    if(val > 1.0) return 255;
-    if(val < -1.0) return 0;
-    return (ALint)(val * 127.0) + 128;
-}
-static inline ALubyte Conv_ALubyte_ALmulaw(ALmulaw val)
-{ return Conv_ALubyte_ALshort(DecodeMuLaw(val)); }
-static inline ALubyte Conv_ALubyte_ALalaw(ALalaw val)
-{ return Conv_ALubyte_ALshort(DecodeALaw(val)); }
-static inline ALubyte Conv_ALubyte_ALbyte3(ALbyte3 val)
-{ return (DecodeByte3(val)>>16)+128; }
-static inline ALubyte Conv_ALubyte_ALubyte3(ALubyte3 val)
-{ return DecodeUByte3(val)>>16; }
-
-static inline ALshort Conv_ALshort_ALbyte(ALbyte val)
-{ return val<<8; }
-static inline ALshort Conv_ALshort_ALubyte(ALubyte val)
-{ return (val-128)<<8; }
-static inline ALshort Conv_ALshort_ALshort(ALshort val)
-{ return val; }
-static inline ALshort Conv_ALshort_ALushort(ALushort val)
-{ return val-32768; }
-static inline ALshort Conv_ALshort_ALint(ALint val)
-{ return val>>16; }
-static inline ALshort Conv_ALshort_ALuint(ALuint val)
-{ return (val>>16)-32768; }
-static inline ALshort Conv_ALshort_ALfloat(ALfloat val)
-{
-    if(val > 1.0f) return 32767;
-    if(val < -1.0f) return -32768;
-    return (ALint)(val * 32767.0f);
-}
-static inline ALshort Conv_ALshort_ALdouble(ALdouble val)
-{
-    if(val > 1.0) return 32767;
-    if(val < -1.0) return -32768;
-    return (ALint)(val * 32767.0);
-}
-static inline ALshort Conv_ALshort_ALmulaw(ALmulaw val)
-{ return Conv_ALshort_ALshort(DecodeMuLaw(val)); }
-static inline ALshort Conv_ALshort_ALalaw(ALalaw val)
-{ return Conv_ALshort_ALshort(DecodeALaw(val)); }
-static inline ALshort Conv_ALshort_ALbyte3(ALbyte3 val)
-{ return DecodeByte3(val)>>8; }
-static inline ALshort Conv_ALshort_ALubyte3(ALubyte3 val)
-{ return (DecodeUByte3(val)>>8)-32768; }
-
-static inline ALushort Conv_ALushort_ALbyte(ALbyte val)
-{ return (val+128)<<8; }
-static inline ALushort Conv_ALushort_ALubyte(ALubyte val)
-{ return val<<8; }
-static inline ALushort Conv_ALushort_ALshort(ALshort val)
-{ return val+32768; }
-static inline ALushort Conv_ALushort_ALushort(ALushort val)
-{ return val; }
-static inline ALushort Conv_ALushort_ALint(ALint val)
-{ return (val>>16)+32768; }
-static inline ALushort Conv_ALushort_ALuint(ALuint val)
-{ return val>>16; }
-static inline ALushort Conv_ALushort_ALfloat(ALfloat val)
-{
-    if(val > 1.0f) return 65535;
-    if(val < -1.0f) return 0;
-    return (ALint)(val * 32767.0f) + 32768;
-}
-static inline ALushort Conv_ALushort_ALdouble(ALdouble val)
-{
-    if(val > 1.0) return 65535;
-    if(val < -1.0) return 0;
-    return (ALint)(val * 32767.0) + 32768;
-}
-static inline ALushort Conv_ALushort_ALmulaw(ALmulaw val)
-{ return Conv_ALushort_ALshort(DecodeMuLaw(val)); }
-static inline ALushort Conv_ALushort_ALalaw(ALalaw val)
-{ return Conv_ALushort_ALshort(DecodeALaw(val)); }
-static inline ALushort Conv_ALushort_ALbyte3(ALbyte3 val)
-{ return (DecodeByte3(val)>>8)+32768; }
-static inline ALushort Conv_ALushort_ALubyte3(ALubyte3 val)
-{ return DecodeUByte3(val)>>8; }
-
-static inline ALint Conv_ALint_ALbyte(ALbyte val)
-{ return val<<24; }
-static inline ALint Conv_ALint_ALubyte(ALubyte val)
-{ return (val-128)<<24; }
-static inline ALint Conv_ALint_ALshort(ALshort val)
-{ return val<<16; }
-static inline ALint Conv_ALint_ALushort(ALushort val)
-{ return (val-32768)<<16; }
-static inline ALint Conv_ALint_ALint(ALint val)
-{ return val; }
-static inline ALint Conv_ALint_ALuint(ALuint val)
-{ return val-2147483648u; }
-static inline ALint Conv_ALint_ALfloat(ALfloat val)
-{
-    if(val > 1.0f) return 2147483647;
-    if(val < -1.0f) return -2147483647-1;
-    return (ALint)(val*16777215.0f) << 7;
-}
-static inline ALint Conv_ALint_ALdouble(ALdouble val)
-{
-    if(val > 1.0) return 2147483647;
-    if(val < -1.0) return -2147483647-1;
-    return (ALint)(val * 2147483647.0);
-}
-static inline ALint Conv_ALint_ALmulaw(ALmulaw val)
-{ return Conv_ALint_ALshort(DecodeMuLaw(val)); }
-static inline ALint Conv_ALint_ALalaw(ALalaw val)
-{ return Conv_ALint_ALshort(DecodeALaw(val)); }
-static inline ALint Conv_ALint_ALbyte3(ALbyte3 val)
-{ return DecodeByte3(val)<<8; }
-static inline ALint Conv_ALint_ALubyte3(ALubyte3 val)
-{ return (DecodeUByte3(val)-8388608)<<8; }
-
-static inline ALuint Conv_ALuint_ALbyte(ALbyte val)
-{ return (val+128)<<24; }
-static inline ALuint Conv_ALuint_ALubyte(ALubyte val)
-{ return val<<24; }
-static inline ALuint Conv_ALuint_ALshort(ALshort val)
-{ return (val+32768)<<16; }
-static inline ALuint Conv_ALuint_ALushort(ALushort val)
-{ return val<<16; }
-static inline ALuint Conv_ALuint_ALint(ALint val)
-{ return val+2147483648u; }
-static inline ALuint Conv_ALuint_ALuint(ALuint val)
-{ return val; }
-static inline ALuint Conv_ALuint_ALfloat(ALfloat val)
-{
-    if(val > 1.0f) return 4294967295u;
-    if(val < -1.0f) return 0;
-    return ((ALint)(val*16777215.0f)<<7) + 2147483648u;
-}
-static inline ALuint Conv_ALuint_ALdouble(ALdouble val)
-{
-    if(val > 1.0) return 4294967295u;
-    if(val < -1.0) return 0;
-    return (ALint)(val * 2147483647.0) + 2147483648u;
-}
-static inline ALuint Conv_ALuint_ALmulaw(ALmulaw val)
-{ return Conv_ALuint_ALshort(DecodeMuLaw(val)); }
-static inline ALuint Conv_ALuint_ALalaw(ALalaw val)
-{ return Conv_ALuint_ALshort(DecodeALaw(val)); }
-static inline ALuint Conv_ALuint_ALbyte3(ALbyte3 val)
-{ return (DecodeByte3(val)+8388608)<<8; }
-static inline ALuint Conv_ALuint_ALubyte3(ALubyte3 val)
-{ return DecodeUByte3(val)<<8; }
-
-static inline ALfloat Conv_ALfloat_ALbyte(ALbyte val)
-{ return val * (1.0f/127.0f); }
-static inline ALfloat Conv_ALfloat_ALubyte(ALubyte val)
-{ return (val-128) * (1.0f/127.0f); }
-static inline ALfloat Conv_ALfloat_ALshort(ALshort val)
-{ return val * (1.0f/32767.0f); }
-static inline ALfloat Conv_ALfloat_ALushort(ALushort val)
-{ return (val-32768) * (1.0f/32767.0f); }
-static inline ALfloat Conv_ALfloat_ALint(ALint val)
-{ return (ALfloat)(val * (1.0/2147483647.0)); }
-static inline ALfloat Conv_ALfloat_ALuint(ALuint val)
-{ return (ALfloat)((ALint)(val-2147483648u) * (1.0/2147483647.0)); }
-static inline ALfloat Conv_ALfloat_ALfloat(ALfloat val)
-{ return (val==val) ? val : 0.0f; }
-static inline ALfloat Conv_ALfloat_ALdouble(ALdouble val)
-{ return (val==val) ? (ALfloat)val : 0.0f; }
-static inline ALfloat Conv_ALfloat_ALmulaw(ALmulaw val)
-{ return Conv_ALfloat_ALshort(DecodeMuLaw(val)); }
-static inline ALfloat Conv_ALfloat_ALalaw(ALalaw val)
-{ return Conv_ALfloat_ALshort(DecodeALaw(val)); }
-static inline ALfloat Conv_ALfloat_ALbyte3(ALbyte3 val)
-{ return (ALfloat)(DecodeByte3(val) * (1.0/8388607.0)); }
-static inline ALfloat Conv_ALfloat_ALubyte3(ALubyte3 val)
-{ return (ALfloat)((DecodeUByte3(val)-8388608) * (1.0/8388607.0)); }
-
-static inline ALdouble Conv_ALdouble_ALbyte(ALbyte val)
-{ return val * (1.0/127.0); }
-static inline ALdouble Conv_ALdouble_ALubyte(ALubyte val)
-{ return (val-128) * (1.0/127.0); }
-static inline ALdouble Conv_ALdouble_ALshort(ALshort val)
-{ return val * (1.0/32767.0); }
-static inline ALdouble Conv_ALdouble_ALushort(ALushort val)
-{ return (val-32768) * (1.0/32767.0); }
-static inline ALdouble Conv_ALdouble_ALint(ALint val)
-{ return val * (1.0/2147483647.0); }
-static inline ALdouble Conv_ALdouble_ALuint(ALuint val)
-{ return (ALint)(val-2147483648u) * (1.0/2147483647.0); }
-static inline ALdouble Conv_ALdouble_ALfloat(ALfloat val)
-{ return (val==val) ? val : 0.0f; }
-static inline ALdouble Conv_ALdouble_ALdouble(ALdouble val)
-{ return (val==val) ? val : 0.0; }
-static inline ALdouble Conv_ALdouble_ALmulaw(ALmulaw val)
-{ return Conv_ALdouble_ALshort(DecodeMuLaw(val)); }
-static inline ALdouble Conv_ALdouble_ALalaw(ALalaw val)
-{ return Conv_ALdouble_ALshort(DecodeALaw(val)); }
-static inline ALdouble Conv_ALdouble_ALbyte3(ALbyte3 val)
-{ return DecodeByte3(val) * (1.0/8388607.0); }
-static inline ALdouble Conv_ALdouble_ALubyte3(ALubyte3 val)
-{ return (DecodeUByte3(val)-8388608) * (1.0/8388607.0); }
-
-#define DECL_TEMPLATE(T)                                                      \
-static inline ALmulaw Conv_ALmulaw_##T(T val)                                 \
-{ return EncodeMuLaw(Conv_ALshort_##T(val)); }
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-static inline ALmulaw Conv_ALmulaw_ALmulaw(ALmulaw val)
-{ return val; }
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-#define DECL_TEMPLATE(T)                                                      \
-static inline ALalaw Conv_ALalaw_##T(T val)                                   \
-{ return EncodeALaw(Conv_ALshort_##T(val)); }
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-static inline ALalaw Conv_ALalaw_ALalaw(ALalaw val)
-{ return val; }
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-#define DECL_TEMPLATE(T)                                                      \
-static inline ALbyte3 Conv_ALbyte3_##T(T val)                                 \
-{ return EncodeByte3(Conv_ALint_##T(val)>>8); }
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-static inline ALbyte3 Conv_ALbyte3_ALbyte3(ALbyte3 val)
-{ return val; }
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-#define DECL_TEMPLATE(T)                                                      \
-static inline ALubyte3 Conv_ALubyte3_##T(T val)                               \
-{ return EncodeUByte3(Conv_ALuint_##T(val)>>8); }
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALbyte3)
-static inline ALubyte3 Conv_ALubyte3_ALubyte3(ALubyte3 val)
-{ return val; }
-
-#undef DECL_TEMPLATE
-
-
-#define DECL_TEMPLATE(T1, T2)                                                 \
-static void Convert_##T1##_##T2(T1 *dst, const T2 *src, ALuint numchans,      \
-                                ALuint len, ALsizei UNUSED(align))            \
-{                                                                             \
-    ALuint i, j;                                                              \
-    for(i = 0;i < len;i++)                                                    \
-    {                                                                         \
-        for(j = 0;j < numchans;j++)                                           \
-            *(dst++) = Conv_##T1##_##T2(*(src++));                            \
-    }                                                                         \
-}
-
-#define DECL_TEMPLATE2(T)  \
-DECL_TEMPLATE(T, ALbyte)   \
-DECL_TEMPLATE(T, ALubyte)  \
-DECL_TEMPLATE(T, ALshort)  \
-DECL_TEMPLATE(T, ALushort) \
-DECL_TEMPLATE(T, ALint)    \
-DECL_TEMPLATE(T, ALuint)   \
-DECL_TEMPLATE(T, ALfloat)  \
-DECL_TEMPLATE(T, ALdouble) \
-DECL_TEMPLATE(T, ALmulaw)  \
-DECL_TEMPLATE(T, ALalaw)   \
-DECL_TEMPLATE(T, ALbyte3)  \
-DECL_TEMPLATE(T, ALubyte3)
-
-DECL_TEMPLATE2(ALbyte)
-DECL_TEMPLATE2(ALubyte)
-DECL_TEMPLATE2(ALshort)
-DECL_TEMPLATE2(ALushort)
-DECL_TEMPLATE2(ALint)
-DECL_TEMPLATE2(ALuint)
-DECL_TEMPLATE2(ALfloat)
-DECL_TEMPLATE2(ALdouble)
-DECL_TEMPLATE2(ALmulaw)
-DECL_TEMPLATE2(ALalaw)
-DECL_TEMPLATE2(ALbyte3)
-DECL_TEMPLATE2(ALubyte3)
-
-#undef DECL_TEMPLATE2
-#undef DECL_TEMPLATE
-
-#define DECL_TEMPLATE(T)                                                      \
-static void Convert_##T##_ALima4(T *dst, const ALima4 *src, ALuint numchans,  \
-                                 ALuint len, ALuint align)                    \
-{                                                                             \
-    ALsizei byte_align = ((align-1)/2 + 4) * numchans;                        \
-    ALuint i, j, k;                                                           \
-    ALshort *tmp;                                                             \
-                                                                              \
-    tmp = alloca(align*numchans*sizeof(*tmp));                                \
-    for(i = 0;i < len;i += align)                                             \
-    {                                                                         \
-        DecodeIMA4Block(tmp, src, numchans, align);                           \
-        src += byte_align;                                                    \
-                                                                              \
-        for(j = 0;j < align;j++)                                              \
-        {                                                                     \
-            for(k = 0;k < numchans;k++)                                       \
-                *(dst++) = Conv_##T##_ALshort(tmp[j*numchans + k]);           \
-        }                                                                     \
-    }                                                                         \
-}
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALuint numchans,
-                                   ALuint len, ALuint align)
-{
-    ALsizei byte_align = ((align-1)/2 + 4) * numchans;
-    ALuint i;
-
-    for(i = 0;i < len;i += align)
-    {
-        DecodeIMA4Block(dst, src, numchans, align);
-        src += byte_align;
-        dst += align*numchans;
-    }
-}
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-#define DECL_TEMPLATE(T)                                                      \
-static void Convert_ALima4_##T(ALima4 *dst, const T *src, ALuint numchans,    \
-                               ALuint len, ALuint align)                      \
-{                                                                             \
-    ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0};                            \
-    ALint index[MaxChannels] = {0,0,0,0,0,0,0,0};                             \
-    ALsizei byte_align = ((align-1)/2 + 4) * numchans;                        \
-    ALuint i, j, k;                                                           \
-    ALshort *tmp;                                                             \
-                                                                              \
-    tmp = alloca(align*numchans*sizeof(*tmp));                                \
-    for(i = 0;i < len;i += align)                                             \
-    {                                                                         \
-        for(j = 0;j < align;j++)                                              \
-        {                                                                     \
-            for(k = 0;k < numchans;k++)                                       \
-                tmp[j*numchans + k] = Conv_ALshort_##T(*(src++));             \
-        }                                                                     \
-        EncodeIMA4Block(dst, tmp, sample, index, numchans, align);            \
-        dst += byte_align;                                                    \
-    }                                                                         \
-}
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-static void Convert_ALima4_ALshort(ALima4 *dst, const ALshort *src,
-                                   ALuint numchans, ALuint len, ALuint align)
-{
-    ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0};
-    ALint index[MaxChannels] = {0,0,0,0,0,0,0,0};
-    ALsizei byte_align = ((align-1)/2 + 4) * numchans;
-    ALuint i;
-
-    for(i = 0;i < len;i += align)
-    {
-        EncodeIMA4Block(dst, src, sample, index, numchans, align);
-        src += align*numchans;
-        dst += byte_align;
-    }
-}
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-
-#define DECL_TEMPLATE(T)                                                      \
-static void Convert_##T##_ALmsadpcm(T *dst, const ALmsadpcm *src,             \
-                                    ALuint numchans, ALuint len,              \
-                                    ALuint align)                             \
-{                                                                             \
-    ALsizei byte_align = ((align-2)/2 + 7) * numchans;                        \
-    ALuint i, j, k;                                                           \
-    ALshort *tmp;                                                             \
-                                                                              \
-    tmp = alloca(align*numchans*sizeof(*tmp));                                \
-    for(i = 0;i < len;i += align)                                             \
-    {                                                                         \
-        DecodeMSADPCMBlock(tmp, src, numchans, align);                        \
-        src += byte_align;                                                    \
-                                                                              \
-        for(j = 0;j < align;j++)                                              \
-        {                                                                     \
-            for(k = 0;k < numchans;k++)                                       \
-                *(dst++) = Conv_##T##_ALshort(tmp[j*numchans + k]);           \
-        }                                                                     \
-    }                                                                         \
-}
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src,
-                                      ALuint numchans, ALuint len,
-                                      ALuint align)
-{
-    ALsizei byte_align = ((align-2)/2 + 7) * numchans;
-    ALuint i;
-
-    for(i = 0;i < len;i += align)
-    {
-        DecodeMSADPCMBlock(dst, src, numchans, align);
-        src += byte_align;
-        dst += align*numchans;
-    }
-}
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-#define DECL_TEMPLATE(T)                                                      \
-static void Convert_ALmsadpcm_##T(ALmsadpcm *dst, const T *src,               \
-                                  ALuint numchans, ALuint len, ALuint align)  \
-{                                                                             \
-    ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0};                            \
-    ALsizei byte_align = ((align-2)/2 + 7) * numchans;                        \
-    ALuint i, j, k;                                                           \
-    ALshort *tmp;                                                             \
-                                                                              \
-    tmp = alloca(align*numchans*sizeof(*tmp));                                \
-    for(i = 0;i < len;i += align)                                             \
-    {                                                                         \
-        for(j = 0;j < align;j++)                                              \
-        {                                                                     \
-            for(k = 0;k < numchans;k++)                                       \
-                tmp[j*numchans + k] = Conv_ALshort_##T(*(src++));             \
-        }                                                                     \
-        EncodeMSADPCMBlock(dst, tmp, sample, numchans, align);                \
-        dst += byte_align;                                                    \
-    }                                                                         \
-}
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-static void Convert_ALmsadpcm_ALshort(ALmsadpcm *dst, const ALshort *src,
-                                      ALuint numchans, ALuint len, ALuint align)
-{
-    ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0};
-    ALsizei byte_align = ((align-2)/2 + 7) * numchans;
-    ALuint i;
-
-    for(i = 0;i < len;i += align)
-    {
-        EncodeMSADPCMBlock(dst, src, sample, numchans, align);
-        src += align*numchans;
-        dst += byte_align;
-    }
-}
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-/* NOTE: We don't store compressed samples internally, so these conversions
- * should never happen. */
-static void Convert_ALima4_ALima4(ALima4* UNUSED(dst), const ALima4* UNUSED(src),
-                                  ALuint UNUSED(numchans), ALuint UNUSED(len),
-                                  ALuint UNUSED(align))
-{
-    ERR("Unexpected IMA4-to-IMA4 conversion!\n");
-}
-
-static void Convert_ALmsadpcm_ALmsadpcm(ALmsadpcm* UNUSED(dst), const ALmsadpcm* UNUSED(src),
-                                        ALuint UNUSED(numchans), ALuint UNUSED(len),
-                                        ALuint UNUSED(align))
-{
-    ERR("Unexpected MSADPCM-to-MSADPCM conversion!\n");
-}
-
-static void Convert_ALmsadpcm_ALima4(ALmsadpcm* UNUSED(dst), const ALima4* UNUSED(src),
-                                     ALuint UNUSED(numchans), ALuint UNUSED(len),
-                                     ALuint UNUSED(align))
-{
-    ERR("Unexpected IMA4-to-MSADPCM conversion!\n");
-}
-
-static void Convert_ALima4_ALmsadpcm(ALima4* UNUSED(dst), const ALmsadpcm* UNUSED(src),
-                                     ALuint UNUSED(numchans), ALuint UNUSED(len),
-                                     ALuint UNUSED(align))
-{
-    ERR("Unexpected MSADPCM-to-IMA4 conversion!\n");
-}
-
-
-#define DECL_TEMPLATE(T)                                                      \
-static void Convert_##T(T *dst, const ALvoid *src, enum UserFmtType srcType,  \
-                        ALsizei numchans, ALsizei len, ALsizei align)         \
-{                                                                             \
-    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 UserFmtInt:                                                      \
-            Convert_##T##_ALint(dst, src, numchans, len, align);              \
-            break;                                                            \
-        case UserFmtUInt:                                                     \
-            Convert_##T##_ALuint(dst, src, numchans, len, align);             \
-            break;                                                            \
-        case UserFmtFloat:                                                    \
-            Convert_##T##_ALfloat(dst, src, numchans, len, align);            \
-            break;                                                            \
-        case UserFmtDouble:                                                   \
-            Convert_##T##_ALdouble(dst, src, numchans, len, align);           \
-            break;                                                            \
-        case UserFmtMulaw:                                                    \
-            Convert_##T##_ALmulaw(dst, src, numchans, len, align);            \
-            break;                                                            \
-        case UserFmtAlaw:                                                     \
-            Convert_##T##_ALalaw(dst, src, numchans, len, align);             \
-            break;                                                            \
-        case UserFmtIMA4:                                                     \
-            Convert_##T##_ALima4(dst, src, numchans, len, align);             \
-            break;                                                            \
-        case UserFmtMSADPCM:                                                  \
-            Convert_##T##_ALmsadpcm(dst, src, numchans, len, align);          \
-            break;                                                            \
-        case UserFmtByte3:                                                    \
-            Convert_##T##_ALbyte3(dst, src, numchans, len, align);            \
-            break;                                                            \
-        case UserFmtUByte3:                                                   \
-            Convert_##T##_ALubyte3(dst, src, numchans, len, align);           \
-            break;                                                            \
-    }                                                                         \
-}
-
-DECL_TEMPLATE(ALbyte)
-DECL_TEMPLATE(ALubyte)
-DECL_TEMPLATE(ALshort)
-DECL_TEMPLATE(ALushort)
-DECL_TEMPLATE(ALint)
-DECL_TEMPLATE(ALuint)
-DECL_TEMPLATE(ALfloat)
-DECL_TEMPLATE(ALdouble)
-DECL_TEMPLATE(ALmulaw)
-DECL_TEMPLATE(ALalaw)
-DECL_TEMPLATE(ALima4)
-DECL_TEMPLATE(ALmsadpcm)
-DECL_TEMPLATE(ALbyte3)
-DECL_TEMPLATE(ALubyte3)
-
-#undef DECL_TEMPLATE
-
-
-static void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src, enum UserFmtType srcType, ALsizei numchans, ALsizei len, ALsizei align)
-{
-    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 UserFmtInt:
-            Convert_ALint(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtUInt:
-            Convert_ALuint(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtFloat:
-            Convert_ALfloat(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtDouble:
-            Convert_ALdouble(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtMulaw:
-            Convert_ALmulaw(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtAlaw:
-            Convert_ALalaw(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtIMA4:
-            Convert_ALima4(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtMSADPCM:
-            Convert_ALmsadpcm(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtByte3:
-            Convert_ALbyte3(dst, src, srcType, numchans, len, align);
-            break;
-        case UserFmtUByte3:
-            Convert_ALubyte3(dst, src, srcType, numchans, len, align);
-            break;
-    }
-}
-
-
 /*
  * LoadData
  *
@@ -2311,8 +1053,8 @@ ALuint BytesFromUserFmt(enum UserFmtType type)
     case UserFmtUInt: return sizeof(ALuint);
     case UserFmtFloat: return sizeof(ALfloat);
     case UserFmtDouble: return sizeof(ALdouble);
-    case UserFmtByte3: return sizeof(ALbyte3);
-    case UserFmtUByte3: return sizeof(ALubyte3);
+    case UserFmtByte3: return sizeof(ALbyte[3]);
+    case UserFmtUByte3: return sizeof(ALubyte[3]);
     case UserFmtMulaw: return sizeof(ALubyte);
     case UserFmtAlaw: return sizeof(ALubyte);
     case UserFmtIMA4: break; /* not handled here */
diff --git a/OpenAL32/sample_cvt.c b/OpenAL32/sample_cvt.c
new file mode 100644
index 00000000..a4dfabca
--- /dev/null
+++ b/OpenAL32/sample_cvt.c
@@ -0,0 +1,1266 @@
+
+#include "config.h"
+
+#include "sample_cvt.h"
+
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#include "AL/al.h"
+#include "alu.h"
+#include "alBuffer.h"
+
+
+/* IMA ADPCM Stepsize table */
+static const int IMAStep_size[89] = {
+       7,    8,    9,   10,   11,   12,   13,   14,   16,   17,   19,
+      21,   23,   25,   28,   31,   34,   37,   41,   45,   50,   55,
+      60,   66,   73,   80,   88,   97,  107,  118,  130,  143,  157,
+     173,  190,  209,  230,  253,  279,  307,  337,  371,  408,  449,
+     494,  544,  598,  658,  724,  796,  876,  963, 1060, 1166, 1282,
+    1411, 1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024, 3327, 3660,
+    4026, 4428, 4871, 5358, 5894, 6484, 7132, 7845, 8630, 9493,10442,
+   11487,12635,13899,15289,16818,18500,20350,22358,24633,27086,29794,
+   32767
+};
+
+/* IMA4 ADPCM Codeword decode table */
+static const int IMA4Codeword[16] = {
+    1, 3, 5, 7, 9, 11, 13, 15,
+   -1,-3,-5,-7,-9,-11,-13,-15,
+};
+
+/* IMA4 ADPCM Step index adjust decode table */
+static const int IMA4Index_adjust[16] = {
+   -1,-1,-1,-1, 2, 4, 6, 8,
+   -1,-1,-1,-1, 2, 4, 6, 8
+};
+
+
+/* MSADPCM Adaption table */
+static const int MSADPCMAdaption[16] = {
+    230, 230, 230, 230, 307, 409, 512, 614,
+    768, 614, 512, 409, 307, 230, 230, 230
+};
+
+/* MSADPCM Adaption Coefficient tables */
+static const int MSADPCMAdaptionCoeff[7][2] = {
+    { 256,    0 },
+    { 512, -256 },
+    {   0,    0 },
+    { 192,   64 },
+    { 240,    0 },
+    { 460, -208 },
+    { 392, -232 }
+};
+
+
+/* A quick'n'dirty lookup table to decode a muLaw-encoded byte sample into a
+ * signed 16-bit sample */
+static const ALshort muLawDecompressionTable[256] = {
+    -32124,-31100,-30076,-29052,-28028,-27004,-25980,-24956,
+    -23932,-22908,-21884,-20860,-19836,-18812,-17788,-16764,
+    -15996,-15484,-14972,-14460,-13948,-13436,-12924,-12412,
+    -11900,-11388,-10876,-10364, -9852, -9340, -8828, -8316,
+     -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140,
+     -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092,
+     -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004,
+     -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980,
+     -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436,
+     -1372, -1308, -1244, -1180, -1116, -1052,  -988,  -924,
+      -876,  -844,  -812,  -780,  -748,  -716,  -684,  -652,
+      -620,  -588,  -556,  -524,  -492,  -460,  -428,  -396,
+      -372,  -356,  -340,  -324,  -308,  -292,  -276,  -260,
+      -244,  -228,  -212,  -196,  -180,  -164,  -148,  -132,
+      -120,  -112,  -104,   -96,   -88,   -80,   -72,   -64,
+       -56,   -48,   -40,   -32,   -24,   -16,    -8,     0,
+     32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956,
+     23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764,
+     15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412,
+     11900, 11388, 10876, 10364,  9852,  9340,  8828,  8316,
+      7932,  7676,  7420,  7164,  6908,  6652,  6396,  6140,
+      5884,  5628,  5372,  5116,  4860,  4604,  4348,  4092,
+      3900,  3772,  3644,  3516,  3388,  3260,  3132,  3004,
+      2876,  2748,  2620,  2492,  2364,  2236,  2108,  1980,
+      1884,  1820,  1756,  1692,  1628,  1564,  1500,  1436,
+      1372,  1308,  1244,  1180,  1116,  1052,   988,   924,
+       876,   844,   812,   780,   748,   716,   684,   652,
+       620,   588,   556,   524,   492,   460,   428,   396,
+       372,   356,   340,   324,   308,   292,   276,   260,
+       244,   228,   212,   196,   180,   164,   148,   132,
+       120,   112,   104,    96,    88,    80,    72,    64,
+        56,    48,    40,    32,    24,    16,     8,     0
+};
+
+/* Values used when encoding a muLaw sample */
+static const int muLawBias = 0x84;
+static const int muLawClip = 32635;
+static const char muLawCompressTable[256] = {
+     0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,
+     4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
+     5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
+     5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
+     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+     6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+     7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
+};
+
+
+/* A quick'n'dirty lookup table to decode an aLaw-encoded byte sample into a
+ * signed 16-bit sample */
+static const ALshort aLawDecompressionTable[256] = {
+     -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
+     -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
+     -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
+     -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
+    -22016,-20992,-24064,-23040,-17920,-16896,-19968,-18944,
+    -30208,-29184,-32256,-31232,-26112,-25088,-28160,-27136,
+    -11008,-10496,-12032,-11520, -8960, -8448, -9984, -9472,
+    -15104,-14592,-16128,-15616,-13056,-12544,-14080,-13568,
+      -344,  -328,  -376,  -360,  -280,  -264,  -312,  -296,
+      -472,  -456,  -504,  -488,  -408,  -392,  -440,  -424,
+       -88,   -72,  -120,  -104,   -24,    -8,   -56,   -40,
+      -216,  -200,  -248,  -232,  -152,  -136,  -184,  -168,
+     -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
+     -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
+      -688,  -656,  -752,  -720,  -560,  -528,  -624,  -592,
+      -944,  -912, -1008,  -976,  -816,  -784,  -880,  -848,
+      5504,  5248,  6016,  5760,  4480,  4224,  4992,  4736,
+      7552,  7296,  8064,  7808,  6528,  6272,  7040,  6784,
+      2752,  2624,  3008,  2880,  2240,  2112,  2496,  2368,
+      3776,  3648,  4032,  3904,  3264,  3136,  3520,  3392,
+     22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
+     30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
+     11008, 10496, 12032, 11520,  8960,  8448,  9984,  9472,
+     15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
+       344,   328,   376,   360,   280,   264,   312,   296,
+       472,   456,   504,   488,   408,   392,   440,   424,
+        88,    72,   120,   104,    24,     8,    56,    40,
+       216,   200,   248,   232,   152,   136,   184,   168,
+      1376,  1312,  1504,  1440,  1120,  1056,  1248,  1184,
+      1888,  1824,  2016,  1952,  1632,  1568,  1760,  1696,
+       688,   656,   752,   720,   560,   528,   624,   592,
+       944,   912,  1008,   976,   816,   784,   880,   848
+};
+
+/* Values used when encoding an aLaw sample */
+static const int aLawClip = 32635;
+static const char aLawCompressTable[128] = {
+    1,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,
+    5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
+    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
+    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
+    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
+};
+
+
+typedef ALubyte ALmulaw;
+typedef ALubyte ALalaw;
+typedef ALubyte ALima4;
+typedef ALubyte ALmsadpcm;
+typedef struct {
+    ALbyte b[3];
+} ALbyte3;
+extern ALbyte ALbyte3_size_is_not_3[(sizeof(ALbyte3)==sizeof(ALbyte[3]))?1:-1];
+typedef struct {
+    ALubyte b[3];
+} ALubyte3;
+extern ALbyte ALubyte3_size_is_not_3[(sizeof(ALubyte3)==sizeof(ALubyte[3]))?1:-1];
+
+static inline ALshort DecodeMuLaw(ALmulaw val)
+{ return muLawDecompressionTable[val]; }
+
+static ALmulaw EncodeMuLaw(ALshort val)
+{
+    ALint mant, exp, sign;
+
+    sign = (val>>8) & 0x80;
+    if(sign)
+    {
+        /* -32768 doesn't properly negate on a short; it results in itself.
+         * So clamp to -32767 */
+        val = maxi(val, -32767);
+        val = -val;
+    }
+
+    val = mini(val, muLawClip);
+    val += muLawBias;
+
+    exp = muLawCompressTable[(val>>7) & 0xff];
+    mant = (val >> (exp+3)) & 0x0f;
+
+    return ~(sign | (exp<<4) | mant);
+}
+
+static inline ALshort DecodeALaw(ALalaw val)
+{ return aLawDecompressionTable[val]; }
+
+static ALalaw EncodeALaw(ALshort val)
+{
+    ALint mant, exp, sign;
+
+    sign = ((~val) >> 8) & 0x80;
+    if(!sign)
+    {
+        val = maxi(val, -32767);
+        val = -val;
+    }
+    val = mini(val, aLawClip);
+
+    if(val >= 256)
+    {
+        exp = aLawCompressTable[(val>>8) & 0x7f];
+        mant = (val >> (exp+3)) & 0x0f;
+    }
+    else
+    {
+        exp = 0;
+        mant = val >> 4;
+    }
+
+    return ((exp<<4) | mant) ^ (sign^0x55);
+}
+
+static void DecodeIMA4Block(ALshort *dst, const ALima4 *src, ALint numchans, ALsizei align)
+{
+    ALint sample[MAX_INPUT_CHANNELS], index[MAX_INPUT_CHANNELS];
+    ALuint code[MAX_INPUT_CHANNELS];
+    ALsizei j,k,c;
+
+    for(c = 0;c < numchans;c++)
+    {
+        sample[c]  = *(src++);
+        sample[c] |= *(src++) << 8;
+        sample[c]  = (sample[c]^0x8000) - 32768;
+        index[c]  = *(src++);
+        index[c] |= *(src++) << 8;
+        index[c]  = (index[c]^0x8000) - 32768;
+
+        index[c] = clampi(index[c], 0, 88);
+
+        dst[c] = sample[c];
+    }
+
+    for(j = 1;j < align;j += 8)
+    {
+        for(c = 0;c < numchans;c++)
+        {
+            code[c]  = *(src++);
+            code[c] |= *(src++) << 8;
+            code[c] |= *(src++) << 16;
+            code[c] |= *(src++) << 24;
+        }
+
+        for(k = 0;k < 8;k++)
+        {
+            for(c = 0;c < numchans;c++)
+            {
+                int nibble = code[c]&0xf;
+                code[c] >>= 4;
+
+                sample[c] += IMA4Codeword[nibble] * IMAStep_size[index[c]] / 8;
+                sample[c] = clampi(sample[c], -32768, 32767);
+
+                index[c] += IMA4Index_adjust[nibble];
+                index[c] = clampi(index[c], 0, 88);
+
+                dst[(j+k)*numchans + c] = sample[c];
+            }
+        }
+    }
+}
+
+static void EncodeIMA4Block(ALima4 *dst, const ALshort *src, ALint *sample, ALint *index, ALint numchans, ALsizei align)
+{
+    ALsizei j,k,c;
+
+    for(c = 0;c < numchans;c++)
+    {
+        int diff = src[c] - sample[c];
+        int step = IMAStep_size[index[c]];
+        int nibble;
+
+        nibble = 0;
+        if(diff < 0)
+        {
+            nibble = 0x8;
+            diff = -diff;
+        }
+
+        diff = mini(step*2, diff);
+        nibble |= (diff*8/step - 1) / 2;
+
+        sample[c] += IMA4Codeword[nibble] * step / 8;
+        sample[c] = clampi(sample[c], -32768, 32767);
+
+        index[c] += IMA4Index_adjust[nibble];
+        index[c] = clampi(index[c], 0, 88);
+
+        *(dst++) = sample[c] & 0xff;
+        *(dst++) = (sample[c]>>8) & 0xff;
+        *(dst++) = index[c] & 0xff;
+        *(dst++) = (index[c]>>8) & 0xff;
+    }
+
+    for(j = 1;j < align;j += 8)
+    {
+        for(c = 0;c < numchans;c++)
+        {
+            for(k = 0;k < 8;k++)
+            {
+                int diff = src[(j+k)*numchans + c] - sample[c];
+                int step = IMAStep_size[index[c]];
+                int nibble;
+
+                nibble = 0;
+                if(diff < 0)
+                {
+                    nibble = 0x8;
+                    diff = -diff;
+                }
+
+                diff = mini(step*2, diff);
+                nibble |= (diff*8/step - 1) / 2;
+
+                sample[c] += IMA4Codeword[nibble] * step / 8;
+                sample[c] = clampi(sample[c], -32768, 32767);
+
+                index[c] += IMA4Index_adjust[nibble];
+                index[c] = clampi(index[c], 0, 88);
+
+                if(!(k&1)) *dst = nibble;
+                else *(dst++) |= nibble<<4;
+            }
+        }
+    }
+}
+
+
+static void DecodeMSADPCMBlock(ALshort *dst, const ALmsadpcm *src, ALint numchans, ALsizei align)
+{
+    ALubyte blockpred[MAX_INPUT_CHANNELS];
+    ALint delta[MAX_INPUT_CHANNELS];
+    ALshort samples[MAX_INPUT_CHANNELS][2];
+    ALint i, j;
+
+    for(i = 0;i < numchans;i++)
+    {
+        blockpred[i] = *(src++);
+        blockpred[i] = minu(blockpred[i], 6);
+    }
+    for(i = 0;i < numchans;i++)
+    {
+        delta[i]  = *(src++);
+        delta[i] |= *(src++) << 8;
+        delta[i]  = (delta[i]^0x8000) - 0x8000;
+    }
+    for(i = 0;i < numchans;i++)
+    {
+        samples[i][0]  = *(src++);
+        samples[i][0] |= *(src++) << 8;
+        samples[i][0]  = (samples[i][0]^0x8000) - 0x8000;
+    }
+    for(i = 0;i < numchans;i++)
+    {
+        samples[i][1]  = *(src++);
+        samples[i][1] |= *(src++) << 8;
+        samples[i][1]  = (samples[i][1]^0x8000) - 0x8000;
+    }
+
+    /* Second sample is written first. */
+    for(i = 0;i < numchans;i++)
+        *(dst++) = samples[i][1];
+    for(i = 0;i < numchans;i++)
+        *(dst++) = samples[i][0];
+
+    for(j = 2;j < align;j++)
+    {
+        for(i = 0;i < numchans;i++)
+        {
+            const ALint num = (j*numchans) + i;
+            ALint nibble, pred;
+
+            /* Read the nibble and sign-expand it. */
+            if(!(num&1))
+                nibble = (*src>>4)&0x0f;
+            else
+                nibble = (*(src++))&0x0f;
+            nibble = (nibble^0x08) - 0x08;
+
+            pred  = (samples[i][0]*MSADPCMAdaptionCoeff[blockpred[i]][0] +
+                     samples[i][1]*MSADPCMAdaptionCoeff[blockpred[i]][1]) / 256;
+            pred += nibble * delta[i];
+            pred  = clampi(pred, -32768, 32767);
+
+            samples[i][1] = samples[i][0];
+            samples[i][0] = pred;
+
+            delta[i] = (MSADPCMAdaption[nibble&0x0f] * delta[i]) / 256;
+            delta[i] = maxi(16, delta[i]);
+
+            *(dst++) = pred;
+        }
+    }
+}
+
+/* NOTE: This encoder is pretty dumb/simplistic. Some kind of pre-processing
+ * that tries to find the optimal block predictors would be nice, at least. A
+ * multi-pass method that can generate better deltas would be good, too. */
+static void EncodeMSADPCMBlock(ALmsadpcm *dst, const ALshort *src, ALint *sample, ALint numchans, ALsizei align)
+{
+    ALubyte blockpred[MAX_INPUT_CHANNELS];
+    ALint delta[MAX_INPUT_CHANNELS];
+    ALshort samples[MAX_INPUT_CHANNELS][2];
+    ALint i, j;
+
+    /* Block predictor */
+    for(i = 0;i < numchans;i++)
+    {
+        /* FIXME: Calculate something better. */
+        blockpred[i] = 0;
+        *(dst++) = blockpred[i];
+    }
+    /* Initial delta */
+    for(i = 0;i < numchans;i++)
+    {
+        delta[i] = 16;
+        *(dst++) = (delta[i]   ) & 0xff;
+        *(dst++) = (delta[i]>>8) & 0xff;
+    }
+    /* Initial sample 1 */
+    for(i = 0;i < numchans;i++)
+    {
+        samples[i][0] = src[1*numchans + i];
+        *(dst++) = (samples[i][0]   ) & 0xff;
+        *(dst++) = (samples[i][0]>>8) & 0xff;
+    }
+    /* Initial sample 2 */
+    for(i = 0;i < numchans;i++)
+    {
+        samples[i][1] = src[i];
+        *(dst++) = (samples[i][1]   ) & 0xff;
+        *(dst++) = (samples[i][1]>>8) & 0xff;
+    }
+
+    for(j = 2;j < align;j++)
+    {
+        for(i = 0;i < numchans;i++)
+        {
+            const ALint num = (j*numchans) + i;
+            ALint nibble = 0;
+            ALint bias;
+
+            sample[i] = (samples[i][0]*MSADPCMAdaptionCoeff[blockpred[i]][0] +
+                         samples[i][1]*MSADPCMAdaptionCoeff[blockpred[i]][1]) / 256;
+
+            nibble = src[num] - sample[i];
+            if(nibble >= 0)
+                bias = delta[i] / 2;
+            else
+                bias = -delta[i] / 2;
+
+            nibble = (nibble + bias) / delta[i];
+            nibble = clampi(nibble, -8, 7)&0x0f;
+
+            sample[i] += ((nibble^0x08)-0x08) * delta[i];
+            sample[i]  = clampi(sample[i], -32768, 32767);
+
+            samples[i][1] = samples[i][0];
+            samples[i][0] = sample[i];
+
+            delta[i] = (MSADPCMAdaption[nibble] * delta[i]) / 256;
+            delta[i] = maxi(16, delta[i]);
+
+            if(!(num&1))
+                *dst = nibble << 4;
+            else
+            {
+                *dst |= nibble;
+                dst++;
+            }
+        }
+    }
+}
+
+
+static inline ALint DecodeByte3(ALbyte3 val)
+{
+    if(IS_LITTLE_ENDIAN)
+        return (val.b[2]<<16) | (((ALubyte)val.b[1])<<8) | ((ALubyte)val.b[0]);
+    return (val.b[0]<<16) | (((ALubyte)val.b[1])<<8) | ((ALubyte)val.b[2]);
+}
+
+static inline ALbyte3 EncodeByte3(ALint val)
+{
+    if(IS_LITTLE_ENDIAN)
+    {
+        ALbyte3 ret = {{ val, val>>8, val>>16 }};
+        return ret;
+    }
+    else
+    {
+        ALbyte3 ret = {{ val>>16, val>>8, val }};
+        return ret;
+    }
+}
+
+static inline ALint DecodeUByte3(ALubyte3 val)
+{
+    if(IS_LITTLE_ENDIAN)
+        return (val.b[2]<<16) | (val.b[1]<<8) | (val.b[0]);
+    return (val.b[0]<<16) | (val.b[1]<<8) | val.b[2];
+}
+
+static inline ALubyte3 EncodeUByte3(ALint val)
+{
+    if(IS_LITTLE_ENDIAN)
+    {
+        ALubyte3 ret = {{ val, val>>8, val>>16 }};
+        return ret;
+    }
+    else
+    {
+        ALubyte3 ret = {{ val>>16, val>>8, val }};
+        return ret;
+    }
+}
+
+
+static inline ALbyte Conv_ALbyte_ALbyte(ALbyte val)
+{ return val; }
+static inline ALbyte Conv_ALbyte_ALubyte(ALubyte val)
+{ return val-128; }
+static inline ALbyte Conv_ALbyte_ALshort(ALshort val)
+{ return val>>8; }
+static inline ALbyte Conv_ALbyte_ALushort(ALushort val)
+{ return (val>>8)-128; }
+static inline ALbyte Conv_ALbyte_ALint(ALint val)
+{ return val>>24; }
+static inline ALbyte Conv_ALbyte_ALuint(ALuint val)
+{ return (val>>24)-128; }
+static inline ALbyte Conv_ALbyte_ALfloat(ALfloat val)
+{
+    if(val > 1.0f) return 127;
+    if(val < -1.0f) return -128;
+    return (ALint)(val * 127.0f);
+}
+static inline ALbyte Conv_ALbyte_ALdouble(ALdouble val)
+{
+    if(val > 1.0) return 127;
+    if(val < -1.0) return -128;
+    return (ALint)(val * 127.0);
+}
+static inline ALbyte Conv_ALbyte_ALmulaw(ALmulaw val)
+{ return Conv_ALbyte_ALshort(DecodeMuLaw(val)); }
+static inline ALbyte Conv_ALbyte_ALalaw(ALalaw val)
+{ return Conv_ALbyte_ALshort(DecodeALaw(val)); }
+static inline ALbyte Conv_ALbyte_ALbyte3(ALbyte3 val)
+{ return DecodeByte3(val)>>16; }
+static inline ALbyte Conv_ALbyte_ALubyte3(ALubyte3 val)
+{ return (DecodeUByte3(val)>>16)-128; }
+
+static inline ALubyte Conv_ALubyte_ALbyte(ALbyte val)
+{ return val+128; }
+static inline ALubyte Conv_ALubyte_ALubyte(ALubyte val)
+{ return val; }
+static inline ALubyte Conv_ALubyte_ALshort(ALshort val)
+{ return (val>>8)+128; }
+static inline ALubyte Conv_ALubyte_ALushort(ALushort val)
+{ return val>>8; }
+static inline ALubyte Conv_ALubyte_ALint(ALint val)
+{ return (val>>24)+128; }
+static inline ALubyte Conv_ALubyte_ALuint(ALuint val)
+{ return val>>24; }
+static inline ALubyte Conv_ALubyte_ALfloat(ALfloat val)
+{
+    if(val > 1.0f) return 255;
+    if(val < -1.0f) return 0;
+    return (ALint)(val * 127.0f) + 128;
+}
+static inline ALubyte Conv_ALubyte_ALdouble(ALdouble val)
+{
+    if(val > 1.0) return 255;
+    if(val < -1.0) return 0;
+    return (ALint)(val * 127.0) + 128;
+}
+static inline ALubyte Conv_ALubyte_ALmulaw(ALmulaw val)
+{ return Conv_ALubyte_ALshort(DecodeMuLaw(val)); }
+static inline ALubyte Conv_ALubyte_ALalaw(ALalaw val)
+{ return Conv_ALubyte_ALshort(DecodeALaw(val)); }
+static inline ALubyte Conv_ALubyte_ALbyte3(ALbyte3 val)
+{ return (DecodeByte3(val)>>16)+128; }
+static inline ALubyte Conv_ALubyte_ALubyte3(ALubyte3 val)
+{ return DecodeUByte3(val)>>16; }
+
+static inline ALshort Conv_ALshort_ALbyte(ALbyte val)
+{ return val<<8; }
+static inline ALshort Conv_ALshort_ALubyte(ALubyte val)
+{ return (val-128)<<8; }
+static inline ALshort Conv_ALshort_ALshort(ALshort val)
+{ return val; }
+static inline ALshort Conv_ALshort_ALushort(ALushort val)
+{ return val-32768; }
+static inline ALshort Conv_ALshort_ALint(ALint val)
+{ return val>>16; }
+static inline ALshort Conv_ALshort_ALuint(ALuint val)
+{ return (val>>16)-32768; }
+static inline ALshort Conv_ALshort_ALfloat(ALfloat val)
+{
+    if(val > 1.0f) return 32767;
+    if(val < -1.0f) return -32768;
+    return (ALint)(val * 32767.0f);
+}
+static inline ALshort Conv_ALshort_ALdouble(ALdouble val)
+{
+    if(val > 1.0) return 32767;
+    if(val < -1.0) return -32768;
+    return (ALint)(val * 32767.0);
+}
+static inline ALshort Conv_ALshort_ALmulaw(ALmulaw val)
+{ return Conv_ALshort_ALshort(DecodeMuLaw(val)); }
+static inline ALshort Conv_ALshort_ALalaw(ALalaw val)
+{ return Conv_ALshort_ALshort(DecodeALaw(val)); }
+static inline ALshort Conv_ALshort_ALbyte3(ALbyte3 val)
+{ return DecodeByte3(val)>>8; }
+static inline ALshort Conv_ALshort_ALubyte3(ALubyte3 val)
+{ return (DecodeUByte3(val)>>8)-32768; }
+
+static inline ALushort Conv_ALushort_ALbyte(ALbyte val)
+{ return (val+128)<<8; }
+static inline ALushort Conv_ALushort_ALubyte(ALubyte val)
+{ return val<<8; }
+static inline ALushort Conv_ALushort_ALshort(ALshort val)
+{ return val+32768; }
+static inline ALushort Conv_ALushort_ALushort(ALushort val)
+{ return val; }
+static inline ALushort Conv_ALushort_ALint(ALint val)
+{ return (val>>16)+32768; }
+static inline ALushort Conv_ALushort_ALuint(ALuint val)
+{ return val>>16; }
+static inline ALushort Conv_ALushort_ALfloat(ALfloat val)
+{
+    if(val > 1.0f) return 65535;
+    if(val < -1.0f) return 0;
+    return (ALint)(val * 32767.0f) + 32768;
+}
+static inline ALushort Conv_ALushort_ALdouble(ALdouble val)
+{
+    if(val > 1.0) return 65535;
+    if(val < -1.0) return 0;
+    return (ALint)(val * 32767.0) + 32768;
+}
+static inline ALushort Conv_ALushort_ALmulaw(ALmulaw val)
+{ return Conv_ALushort_ALshort(DecodeMuLaw(val)); }
+static inline ALushort Conv_ALushort_ALalaw(ALalaw val)
+{ return Conv_ALushort_ALshort(DecodeALaw(val)); }
+static inline ALushort Conv_ALushort_ALbyte3(ALbyte3 val)
+{ return (DecodeByte3(val)>>8)+32768; }
+static inline ALushort Conv_ALushort_ALubyte3(ALubyte3 val)
+{ return DecodeUByte3(val)>>8; }
+
+static inline ALint Conv_ALint_ALbyte(ALbyte val)
+{ return val<<24; }
+static inline ALint Conv_ALint_ALubyte(ALubyte val)
+{ return (val-128)<<24; }
+static inline ALint Conv_ALint_ALshort(ALshort val)
+{ return val<<16; }
+static inline ALint Conv_ALint_ALushort(ALushort val)
+{ return (val-32768)<<16; }
+static inline ALint Conv_ALint_ALint(ALint val)
+{ return val; }
+static inline ALint Conv_ALint_ALuint(ALuint val)
+{ return val-2147483648u; }
+static inline ALint Conv_ALint_ALfloat(ALfloat val)
+{
+    if(val > 1.0f) return 2147483647;
+    if(val < -1.0f) return -2147483647-1;
+    return (ALint)(val*16777215.0f) << 7;
+}
+static inline ALint Conv_ALint_ALdouble(ALdouble val)
+{
+    if(val > 1.0) return 2147483647;
+    if(val < -1.0) return -2147483647-1;
+    return (ALint)(val * 2147483647.0);
+}
+static inline ALint Conv_ALint_ALmulaw(ALmulaw val)
+{ return Conv_ALint_ALshort(DecodeMuLaw(val)); }
+static inline ALint Conv_ALint_ALalaw(ALalaw val)
+{ return Conv_ALint_ALshort(DecodeALaw(val)); }
+static inline ALint Conv_ALint_ALbyte3(ALbyte3 val)
+{ return DecodeByte3(val)<<8; }
+static inline ALint Conv_ALint_ALubyte3(ALubyte3 val)
+{ return (DecodeUByte3(val)-8388608)<<8; }
+
+static inline ALuint Conv_ALuint_ALbyte(ALbyte val)
+{ return (val+128)<<24; }
+static inline ALuint Conv_ALuint_ALubyte(ALubyte val)
+{ return val<<24; }
+static inline ALuint Conv_ALuint_ALshort(ALshort val)
+{ return (val+32768)<<16; }
+static inline ALuint Conv_ALuint_ALushort(ALushort val)
+{ return val<<16; }
+static inline ALuint Conv_ALuint_ALint(ALint val)
+{ return val+2147483648u; }
+static inline ALuint Conv_ALuint_ALuint(ALuint val)
+{ return val; }
+static inline ALuint Conv_ALuint_ALfloat(ALfloat val)
+{
+    if(val > 1.0f) return 4294967295u;
+    if(val < -1.0f) return 0;
+    return ((ALint)(val*16777215.0f)<<7) + 2147483648u;
+}
+static inline ALuint Conv_ALuint_ALdouble(ALdouble val)
+{
+    if(val > 1.0) return 4294967295u;
+    if(val < -1.0) return 0;
+    return (ALint)(val * 2147483647.0) + 2147483648u;
+}
+static inline ALuint Conv_ALuint_ALmulaw(ALmulaw val)
+{ return Conv_ALuint_ALshort(DecodeMuLaw(val)); }
+static inline ALuint Conv_ALuint_ALalaw(ALalaw val)
+{ return Conv_ALuint_ALshort(DecodeALaw(val)); }
+static inline ALuint Conv_ALuint_ALbyte3(ALbyte3 val)
+{ return (DecodeByte3(val)+8388608)<<8; }
+static inline ALuint Conv_ALuint_ALubyte3(ALubyte3 val)
+{ return DecodeUByte3(val)<<8; }
+
+static inline ALfloat Conv_ALfloat_ALbyte(ALbyte val)
+{ return val * (1.0f/127.0f); }
+static inline ALfloat Conv_ALfloat_ALubyte(ALubyte val)
+{ return (val-128) * (1.0f/127.0f); }
+static inline ALfloat Conv_ALfloat_ALshort(ALshort val)
+{ return val * (1.0f/32767.0f); }
+static inline ALfloat Conv_ALfloat_ALushort(ALushort val)
+{ return (val-32768) * (1.0f/32767.0f); }
+static inline ALfloat Conv_ALfloat_ALint(ALint val)
+{ return (ALfloat)(val * (1.0/2147483647.0)); }
+static inline ALfloat Conv_ALfloat_ALuint(ALuint val)
+{ return (ALfloat)((ALint)(val-2147483648u) * (1.0/2147483647.0)); }
+static inline ALfloat Conv_ALfloat_ALfloat(ALfloat val)
+{ return (val==val) ? val : 0.0f; }
+static inline ALfloat Conv_ALfloat_ALdouble(ALdouble val)
+{ return (val==val) ? (ALfloat)val : 0.0f; }
+static inline ALfloat Conv_ALfloat_ALmulaw(ALmulaw val)
+{ return Conv_ALfloat_ALshort(DecodeMuLaw(val)); }
+static inline ALfloat Conv_ALfloat_ALalaw(ALalaw val)
+{ return Conv_ALfloat_ALshort(DecodeALaw(val)); }
+static inline ALfloat Conv_ALfloat_ALbyte3(ALbyte3 val)
+{ return (ALfloat)(DecodeByte3(val) * (1.0/8388607.0)); }
+static inline ALfloat Conv_ALfloat_ALubyte3(ALubyte3 val)
+{ return (ALfloat)((DecodeUByte3(val)-8388608) * (1.0/8388607.0)); }
+
+static inline ALdouble Conv_ALdouble_ALbyte(ALbyte val)
+{ return val * (1.0/127.0); }
+static inline ALdouble Conv_ALdouble_ALubyte(ALubyte val)
+{ return (val-128) * (1.0/127.0); }
+static inline ALdouble Conv_ALdouble_ALshort(ALshort val)
+{ return val * (1.0/32767.0); }
+static inline ALdouble Conv_ALdouble_ALushort(ALushort val)
+{ return (val-32768) * (1.0/32767.0); }
+static inline ALdouble Conv_ALdouble_ALint(ALint val)
+{ return val * (1.0/2147483647.0); }
+static inline ALdouble Conv_ALdouble_ALuint(ALuint val)
+{ return (ALint)(val-2147483648u) * (1.0/2147483647.0); }
+static inline ALdouble Conv_ALdouble_ALfloat(ALfloat val)
+{ return (val==val) ? val : 0.0f; }
+static inline ALdouble Conv_ALdouble_ALdouble(ALdouble val)
+{ return (val==val) ? val : 0.0; }
+static inline ALdouble Conv_ALdouble_ALmulaw(ALmulaw val)
+{ return Conv_ALdouble_ALshort(DecodeMuLaw(val)); }
+static inline ALdouble Conv_ALdouble_ALalaw(ALalaw val)
+{ return Conv_ALdouble_ALshort(DecodeALaw(val)); }
+static inline ALdouble Conv_ALdouble_ALbyte3(ALbyte3 val)
+{ return DecodeByte3(val) * (1.0/8388607.0); }
+static inline ALdouble Conv_ALdouble_ALubyte3(ALubyte3 val)
+{ return (DecodeUByte3(val)-8388608) * (1.0/8388607.0); }
+
+#define DECL_TEMPLATE(T)                                                      \
+static inline ALmulaw Conv_ALmulaw_##T(T val)                                 \
+{ return EncodeMuLaw(Conv_ALshort_##T(val)); }
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+DECL_TEMPLATE(ALshort)
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+static inline ALmulaw Conv_ALmulaw_ALmulaw(ALmulaw val)
+{ return val; }
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(T)                                                      \
+static inline ALalaw Conv_ALalaw_##T(T val)                                   \
+{ return EncodeALaw(Conv_ALshort_##T(val)); }
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+DECL_TEMPLATE(ALshort)
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+static inline ALalaw Conv_ALalaw_ALalaw(ALalaw val)
+{ return val; }
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(T)                                                      \
+static inline ALbyte3 Conv_ALbyte3_##T(T val)                                 \
+{ return EncodeByte3(Conv_ALint_##T(val)>>8); }
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+DECL_TEMPLATE(ALshort)
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+static inline ALbyte3 Conv_ALbyte3_ALbyte3(ALbyte3 val)
+{ return val; }
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(T)                                                      \
+static inline ALubyte3 Conv_ALubyte3_##T(T val)                               \
+{ return EncodeUByte3(Conv_ALuint_##T(val)>>8); }
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+DECL_TEMPLATE(ALshort)
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALbyte3)
+static inline ALubyte3 Conv_ALubyte3_ALubyte3(ALubyte3 val)
+{ return val; }
+
+#undef DECL_TEMPLATE
+
+
+#define DECL_TEMPLATE(T1, T2)                                                 \
+static void Convert_##T1##_##T2(T1 *dst, const T2 *src, ALuint numchans,      \
+                                ALuint len, ALsizei UNUSED(align))            \
+{                                                                             \
+    ALuint i, j;                                                              \
+    for(i = 0;i < len;i++)                                                    \
+    {                                                                         \
+        for(j = 0;j < numchans;j++)                                           \
+            *(dst++) = Conv_##T1##_##T2(*(src++));                            \
+    }                                                                         \
+}
+
+#define DECL_TEMPLATE2(T)  \
+DECL_TEMPLATE(T, ALbyte)   \
+DECL_TEMPLATE(T, ALubyte)  \
+DECL_TEMPLATE(T, ALshort)  \
+DECL_TEMPLATE(T, ALushort) \
+DECL_TEMPLATE(T, ALint)    \
+DECL_TEMPLATE(T, ALuint)   \
+DECL_TEMPLATE(T, ALfloat)  \
+DECL_TEMPLATE(T, ALdouble) \
+DECL_TEMPLATE(T, ALmulaw)  \
+DECL_TEMPLATE(T, ALalaw)   \
+DECL_TEMPLATE(T, ALbyte3)  \
+DECL_TEMPLATE(T, ALubyte3)
+
+DECL_TEMPLATE2(ALbyte)
+DECL_TEMPLATE2(ALubyte)
+DECL_TEMPLATE2(ALshort)
+DECL_TEMPLATE2(ALushort)
+DECL_TEMPLATE2(ALint)
+DECL_TEMPLATE2(ALuint)
+DECL_TEMPLATE2(ALfloat)
+DECL_TEMPLATE2(ALdouble)
+DECL_TEMPLATE2(ALmulaw)
+DECL_TEMPLATE2(ALalaw)
+DECL_TEMPLATE2(ALbyte3)
+DECL_TEMPLATE2(ALubyte3)
+
+#undef DECL_TEMPLATE2
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(T)                                                      \
+static void Convert_##T##_ALima4(T *dst, const ALima4 *src, ALuint numchans,  \
+                                 ALuint len, ALuint align)                    \
+{                                                                             \
+    ALsizei byte_align = ((align-1)/2 + 4) * numchans;                        \
+    ALuint i, j, k;                                                           \
+    ALshort *tmp;                                                             \
+                                                                              \
+    tmp = alloca(align*numchans*sizeof(*tmp));                                \
+    for(i = 0;i < len;i += align)                                             \
+    {                                                                         \
+        DecodeIMA4Block(tmp, src, numchans, align);                           \
+        src += byte_align;                                                    \
+                                                                              \
+        for(j = 0;j < align;j++)                                              \
+        {                                                                     \
+            for(k = 0;k < numchans;k++)                                       \
+                *(dst++) = Conv_##T##_ALshort(tmp[j*numchans + k]);           \
+        }                                                                     \
+    }                                                                         \
+}
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALuint numchans,
+                                   ALuint len, ALuint align)
+{
+    ALsizei byte_align = ((align-1)/2 + 4) * numchans;
+    ALuint i;
+
+    for(i = 0;i < len;i += align)
+    {
+        DecodeIMA4Block(dst, src, numchans, align);
+        src += byte_align;
+        dst += align*numchans;
+    }
+}
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(T)                                                      \
+static void Convert_ALima4_##T(ALima4 *dst, const T *src, ALuint numchans,    \
+                               ALuint len, ALuint align)                      \
+{                                                                             \
+    ALint sample[MAX_INPUT_CHANNELS] = {0,0,0,0,0,0,0,0};                     \
+    ALint index[MAX_INPUT_CHANNELS] = {0,0,0,0,0,0,0,0};                      \
+    ALsizei byte_align = ((align-1)/2 + 4) * numchans;                        \
+    ALuint i, j, k;                                                           \
+    ALshort *tmp;                                                             \
+                                                                              \
+    tmp = alloca(align*numchans*sizeof(*tmp));                                \
+    for(i = 0;i < len;i += align)                                             \
+    {                                                                         \
+        for(j = 0;j < align;j++)                                              \
+        {                                                                     \
+            for(k = 0;k < numchans;k++)                                       \
+                tmp[j*numchans + k] = Conv_ALshort_##T(*(src++));             \
+        }                                                                     \
+        EncodeIMA4Block(dst, tmp, sample, index, numchans, align);            \
+        dst += byte_align;                                                    \
+    }                                                                         \
+}
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+static void Convert_ALima4_ALshort(ALima4 *dst, const ALshort *src,
+                                   ALuint numchans, ALuint len, ALuint align)
+{
+    ALint sample[MAX_INPUT_CHANNELS] = {0,0,0,0,0,0,0,0};
+    ALint index[MAX_INPUT_CHANNELS] = {0,0,0,0,0,0,0,0};
+    ALsizei byte_align = ((align-1)/2 + 4) * numchans;
+    ALuint i;
+
+    for(i = 0;i < len;i += align)
+    {
+        EncodeIMA4Block(dst, src, sample, index, numchans, align);
+        src += align*numchans;
+        dst += byte_align;
+    }
+}
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+
+#define DECL_TEMPLATE(T)                                                      \
+static void Convert_##T##_ALmsadpcm(T *dst, const ALmsadpcm *src,             \
+                                    ALuint numchans, ALuint len,              \
+                                    ALuint align)                             \
+{                                                                             \
+    ALsizei byte_align = ((align-2)/2 + 7) * numchans;                        \
+    ALuint i, j, k;                                                           \
+    ALshort *tmp;                                                             \
+                                                                              \
+    tmp = alloca(align*numchans*sizeof(*tmp));                                \
+    for(i = 0;i < len;i += align)                                             \
+    {                                                                         \
+        DecodeMSADPCMBlock(tmp, src, numchans, align);                        \
+        src += byte_align;                                                    \
+                                                                              \
+        for(j = 0;j < align;j++)                                              \
+        {                                                                     \
+            for(k = 0;k < numchans;k++)                                       \
+                *(dst++) = Conv_##T##_ALshort(tmp[j*numchans + k]);           \
+        }                                                                     \
+    }                                                                         \
+}
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src,
+                                      ALuint numchans, ALuint len,
+                                      ALuint align)
+{
+    ALsizei byte_align = ((align-2)/2 + 7) * numchans;
+    ALuint i;
+
+    for(i = 0;i < len;i += align)
+    {
+        DecodeMSADPCMBlock(dst, src, numchans, align);
+        src += byte_align;
+        dst += align*numchans;
+    }
+}
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+#define DECL_TEMPLATE(T)                                                      \
+static void Convert_ALmsadpcm_##T(ALmsadpcm *dst, const T *src,               \
+                                  ALuint numchans, ALuint len, ALuint align)  \
+{                                                                             \
+    ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0};                            \
+    ALsizei byte_align = ((align-2)/2 + 7) * numchans;                        \
+    ALuint i, j, k;                                                           \
+    ALshort *tmp;                                                             \
+                                                                              \
+    tmp = alloca(align*numchans*sizeof(*tmp));                                \
+    for(i = 0;i < len;i += align)                                             \
+    {                                                                         \
+        for(j = 0;j < align;j++)                                              \
+        {                                                                     \
+            for(k = 0;k < numchans;k++)                                       \
+                tmp[j*numchans + k] = Conv_ALshort_##T(*(src++));             \
+        }                                                                     \
+        EncodeMSADPCMBlock(dst, tmp, sample, numchans, align);                \
+        dst += byte_align;                                                    \
+    }                                                                         \
+}
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+static void Convert_ALmsadpcm_ALshort(ALmsadpcm *dst, const ALshort *src,
+                                      ALuint numchans, ALuint len, ALuint align)
+{
+    ALint sample[MaxChannels] = {0,0,0,0,0,0,0,0};
+    ALsizei byte_align = ((align-2)/2 + 7) * numchans;
+    ALuint i;
+
+    for(i = 0;i < len;i += align)
+    {
+        EncodeMSADPCMBlock(dst, src, sample, numchans, align);
+        src += align*numchans;
+        dst += byte_align;
+    }
+}
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+/* NOTE: We don't store compressed samples internally, so these conversions
+ * should never happen. */
+static void Convert_ALima4_ALima4(ALima4* UNUSED(dst), const ALima4* UNUSED(src),
+                                  ALuint UNUSED(numchans), ALuint UNUSED(len),
+                                  ALuint UNUSED(align))
+{
+    ERR("Unexpected IMA4-to-IMA4 conversion!\n");
+}
+
+static void Convert_ALmsadpcm_ALmsadpcm(ALmsadpcm* UNUSED(dst), const ALmsadpcm* UNUSED(src),
+                                        ALuint UNUSED(numchans), ALuint UNUSED(len),
+                                        ALuint UNUSED(align))
+{
+    ERR("Unexpected MSADPCM-to-MSADPCM conversion!\n");
+}
+
+static void Convert_ALmsadpcm_ALima4(ALmsadpcm* UNUSED(dst), const ALima4* UNUSED(src),
+                                     ALuint UNUSED(numchans), ALuint UNUSED(len),
+                                     ALuint UNUSED(align))
+{
+    ERR("Unexpected IMA4-to-MSADPCM conversion!\n");
+}
+
+static void Convert_ALima4_ALmsadpcm(ALima4* UNUSED(dst), const ALmsadpcm* UNUSED(src),
+                                     ALuint UNUSED(numchans), ALuint UNUSED(len),
+                                     ALuint UNUSED(align))
+{
+    ERR("Unexpected MSADPCM-to-IMA4 conversion!\n");
+}
+
+
+#define DECL_TEMPLATE(T)                                                      \
+static void Convert_##T(T *dst, const ALvoid *src, enum UserFmtType srcType,  \
+                        ALsizei numchans, ALsizei len, ALsizei align)         \
+{                                                                             \
+    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 UserFmtInt:                                                      \
+            Convert_##T##_ALint(dst, src, numchans, len, align);              \
+            break;                                                            \
+        case UserFmtUInt:                                                     \
+            Convert_##T##_ALuint(dst, src, numchans, len, align);             \
+            break;                                                            \
+        case UserFmtFloat:                                                    \
+            Convert_##T##_ALfloat(dst, src, numchans, len, align);            \
+            break;                                                            \
+        case UserFmtDouble:                                                   \
+            Convert_##T##_ALdouble(dst, src, numchans, len, align);           \
+            break;                                                            \
+        case UserFmtMulaw:                                                    \
+            Convert_##T##_ALmulaw(dst, src, numchans, len, align);            \
+            break;                                                            \
+        case UserFmtAlaw:                                                     \
+            Convert_##T##_ALalaw(dst, src, numchans, len, align);             \
+            break;                                                            \
+        case UserFmtIMA4:                                                     \
+            Convert_##T##_ALima4(dst, src, numchans, len, align);             \
+            break;                                                            \
+        case UserFmtMSADPCM:                                                  \
+            Convert_##T##_ALmsadpcm(dst, src, numchans, len, align);          \
+            break;                                                            \
+        case UserFmtByte3:                                                    \
+            Convert_##T##_ALbyte3(dst, src, numchans, len, align);            \
+            break;                                                            \
+        case UserFmtUByte3:                                                   \
+            Convert_##T##_ALubyte3(dst, src, numchans, len, align);           \
+            break;                                                            \
+    }                                                                         \
+}
+
+DECL_TEMPLATE(ALbyte)
+DECL_TEMPLATE(ALubyte)
+DECL_TEMPLATE(ALshort)
+DECL_TEMPLATE(ALushort)
+DECL_TEMPLATE(ALint)
+DECL_TEMPLATE(ALuint)
+DECL_TEMPLATE(ALfloat)
+DECL_TEMPLATE(ALdouble)
+DECL_TEMPLATE(ALmulaw)
+DECL_TEMPLATE(ALalaw)
+DECL_TEMPLATE(ALima4)
+DECL_TEMPLATE(ALmsadpcm)
+DECL_TEMPLATE(ALbyte3)
+DECL_TEMPLATE(ALubyte3)
+
+#undef DECL_TEMPLATE
+
+
+void ConvertData(ALvoid *dst, enum UserFmtType dstType, const ALvoid *src, enum UserFmtType srcType, ALsizei numchans, ALsizei len, ALsizei align)
+{
+    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 UserFmtInt:
+            Convert_ALint(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtUInt:
+            Convert_ALuint(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtFloat:
+            Convert_ALfloat(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtDouble:
+            Convert_ALdouble(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtMulaw:
+            Convert_ALmulaw(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtAlaw:
+            Convert_ALalaw(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtIMA4:
+            Convert_ALima4(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtMSADPCM:
+            Convert_ALmsadpcm(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtByte3:
+            Convert_ALbyte3(dst, src, srcType, numchans, len, align);
+            break;
+        case UserFmtUByte3:
+            Convert_ALubyte3(dst, src, srcType, numchans, len, align);
+            break;
+    }
+}