diff options
| author | Chris Robinson <[email protected]> | 2014-03-05 16:17:47 -0800 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2014-03-05 16:38:02 -0800 |
| commit | 143f786d1ae7415c0389d4b1cb04fbbd8472b14f (patch) | |
| tree | c75d6a29373dce843c639723e77363dbe1c52812 | |
| parent | bf4ddfef6d01b2edb6a99e4691cc95f414890f2c (diff) | |
Move the sample conversion routines to a separate file
| -rw-r--r-- | CMakeLists.txt | 1 | ||||
| -rw-r--r-- | OpenAL32/Include/sample_cvt.h | 9 | ||||
| -rw-r--r-- | OpenAL32/alBuffer.c | 1264 | ||||
| -rw-r--r-- | OpenAL32/sample_cvt.c | 1266 |
4 files changed, 1279 insertions, 1261 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 9752bf7f..125b0713 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -515,6 +515,7 @@ SET(OPENAL_OBJS OpenAL32/alAuxEffectSlot.c OpenAL32/alSource.c OpenAL32/alState.c OpenAL32/alThunk.c + OpenAL32/sample_cvt.c ) SET(ALC_OBJS Alc/ALc.c Alc/ALu.c 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; + } +} |