diff options
Diffstat (limited to 'OpenAL32/sample_cvt.c')
-rw-r--r-- | OpenAL32/sample_cvt.c | 633 |
1 files changed, 6 insertions, 627 deletions
diff --git a/OpenAL32/sample_cvt.c b/OpenAL32/sample_cvt.c index 0bbfb86c..ff7c8776 100644 --- a/OpenAL32/sample_cvt.c +++ b/OpenAL32/sample_cvt.c @@ -3,25 +3,11 @@ #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" -#ifdef HAVE_C99_VLA -#define DECL_VLA(T, _name, _size) T _name[(_size)] -#else -#define DECL_VLA(T, _name, _size) T *_name = alloca((_size) * sizeof(T)) -#endif - - /* IMA ADPCM Stepsize table */ static const int IMAStep_size[89] = { 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 19, @@ -103,28 +89,6 @@ const ALshort muLawDecompressionTable[256] = { 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 */ @@ -163,80 +127,8 @@ const ALshort aLawDecompressionTable[256] = { 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; - -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) +static void DecodeIMA4Block(ALshort *dst, const ALubyte *src, ALint numchans, ALsizei align) { ALint sample[MAX_INPUT_CHANNELS], index[MAX_INPUT_CHANNELS]; ALuint code[MAX_INPUT_CHANNELS]; @@ -285,73 +177,7 @@ static void DecodeIMA4Block(ALshort *dst, const ALima4 *src, ALint numchans, ALs } } -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) +static void DecodeMSADPCMBlock(ALshort *dst, const ALubyte *src, ALint numchans, ALsizei align) { ALubyte blockpred[MAX_INPUT_CHANNELS]; ALint delta[MAX_INPUT_CHANNELS]; @@ -417,217 +243,9 @@ static void DecodeMSADPCMBlock(ALshort *dst, const ALmsadpcm *src, ALint numchan } } -/* 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++; - } - } - } -} - - -/* Define same-type pass-through sample conversion functions (excludes ADPCM, - * which are block-based). */ -#define DECL_TEMPLATE(T) \ -static inline T Conv_##T##_##T(T val) { return val; } - -DECL_TEMPLATE(ALubyte); -DECL_TEMPLATE(ALshort); -DECL_TEMPLATE(ALalaw); -DECL_TEMPLATE(ALmulaw); - -/* Slightly special handling for floats and doubles (converts NaN to 0, and - * allows float<->double pass-through). - */ -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 ALdouble Conv_ALdouble_ALfloat(ALfloat val) -{ return (val==val) ? (ALdouble)val : 0.0; } -static inline ALdouble Conv_ALdouble_ALdouble(ALdouble val) -{ return (val==val) ? val : 0.0; } - -#undef DECL_TEMPLATE - -/* Define int-type to int-type functions */ -static inline ALubyte Conv_ALubyte_ALshort(ALshort val) { return (val>>8) + 128; } -static inline ALshort Conv_ALshort_ALubyte(ALubyte val) { return (val-128) << 8; } - -/* Define int-type to fp functions */ -static inline ALfloat Conv_ALfloat_ALubyte(ALubyte val) { return (val-128) * (1.0f/128.0f); } -static inline ALdouble Conv_ALdouble_ALubyte(ALubyte val) { return (val-128) * (1.0/128.0); } -static inline ALfloat Conv_ALfloat_ALshort(ALshort val) { return val * (1.0f/32768.0f); } -static inline ALdouble Conv_ALdouble_ALshort(ALshort val) { return val * (1.0/32768.0); } - -/* Define fp to int-type functions */ -static inline ALubyte Conv_ALubyte_ALfloat(ALfloat val) -{ - val *= 128.0f; - if(val >= 127.0f) return 255; - if(val <= -128.0f) return 0; - return (ALbyte)val + 128; -} -static inline ALubyte Conv_ALubyte_ALdouble(ALdouble val) { return Conv_ALubyte_ALfloat(val); } -static inline ALshort Conv_ALshort_ALfloat(ALfloat val) -{ - val *= 32768.0f; - if(val >= 32767.0f) return 32767; - if(val <= -32768.0f) return -32768; - return (ALshort)val; -} -static inline ALshort Conv_ALshort_ALdouble(ALdouble val) { return Conv_ALshort_ALfloat(val); } - -/* Define muLaw and aLaw functions (goes through short functions). */ -#define DECL_TEMPLATE(T) \ -static inline ALmulaw Conv_ALmulaw_##T(T val) \ -{ return EncodeMuLaw(Conv_ALshort_##T(val)); } \ -static inline T Conv_##T##_ALmulaw(ALmulaw val) \ -{ return Conv_##T##_ALshort(DecodeMuLaw(val)); } \ - \ -static inline ALalaw Conv_ALalaw_##T(T val) \ -{ return EncodeALaw(Conv_ALshort_##T(val)); } \ -static inline T Conv_##T##_ALalaw(ALalaw val) \ -{ return Conv_##T##_ALshort(DecodeALaw(val)); } - -DECL_TEMPLATE(ALubyte) -DECL_TEMPLATE(ALshort) -DECL_TEMPLATE(ALfloat) -DECL_TEMPLATE(ALdouble) - -#undef DECL_TEMPLATE - -/* Define muLaw <-> aLaw functions. */ -static inline ALalaw Conv_ALalaw_ALmulaw(ALmulaw val) -{ return EncodeALaw(DecodeMuLaw(val)); } -static inline ALmulaw Conv_ALmulaw_ALalaw(ALalaw val) -{ return EncodeMuLaw(DecodeALaw(val)); } - - -#define DECL_TEMPLATE(T1, T2) \ -static void Convert_##T1##_##T2(T1 *dst, const T2 *src, ALsizei numchans, \ - ALsizei len, ALsizei UNUSED(align)) \ -{ \ - ALsizei i; \ - len *= numchans; \ - for(i = 0;i < len;i++) \ - *(dst++) = Conv_##T1##_##T2(*(src++)); \ -} - -#define DECL_TEMPLATE2(T) \ -DECL_TEMPLATE(T, ALubyte) \ -DECL_TEMPLATE(T, ALshort) \ -DECL_TEMPLATE(T, ALfloat) \ -DECL_TEMPLATE(T, ALdouble) \ -DECL_TEMPLATE(T, ALmulaw) \ -DECL_TEMPLATE(T, ALalaw) - -DECL_TEMPLATE2(ALubyte) -DECL_TEMPLATE2(ALshort) -DECL_TEMPLATE2(ALfloat) -DECL_TEMPLATE2(ALdouble) -DECL_TEMPLATE2(ALmulaw) -DECL_TEMPLATE2(ALalaw) - -#undef DECL_TEMPLATE2 -#undef DECL_TEMPLATE - -#define DECL_TEMPLATE(T) \ -static void Convert_##T##_ALima4(T *dst, const ALima4 *src, ALsizei numchans, \ - ALsizei len, ALsizei align) \ -{ \ - ALsizei byte_align = ((align-1)/2 + 4) * numchans; \ - DECL_VLA(ALshort, tmp, align*numchans); \ - ALsizei i, j, k; \ - \ - assert(align > 0 && (len%align) == 0); \ - 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(ALubyte) -static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALsizei numchans, - ALsizei len, ALsizei align) +void Convert_ALshort_ALima4(ALshort *dst, const ALubyte *src, ALsizei numchans, ALsizei len, + ALsizei align) { ALsizei byte_align = ((align-1)/2 + 4) * numchans; ALsizei i; @@ -640,88 +258,9 @@ static void Convert_ALshort_ALima4(ALshort *dst, const ALima4 *src, ALsizei numc dst += align*numchans; } } -DECL_TEMPLATE(ALfloat) -DECL_TEMPLATE(ALdouble) -DECL_TEMPLATE(ALmulaw) -DECL_TEMPLATE(ALalaw) - -#undef DECL_TEMPLATE - -#define DECL_TEMPLATE(T) \ -static void Convert_ALima4_##T(ALima4 *dst, const T *src, ALsizei numchans, \ - ALsizei len, ALsizei 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; \ - DECL_VLA(ALshort, tmp, align*numchans); \ - ALsizei i, j, k; \ - \ - assert(align > 0 && (len%align) == 0); \ - 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(ALubyte) -static void Convert_ALima4_ALshort(ALima4 *dst, const ALshort *src, - ALsizei numchans, ALsizei len, ALsizei 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; - ALsizei i; - - assert(align > 0 && (len%align) == 0); - for(i = 0;i < len;i += align) - { - EncodeIMA4Block(dst, src, sample, index, numchans, align); - src += align*numchans; - dst += byte_align; - } -} -DECL_TEMPLATE(ALfloat) -DECL_TEMPLATE(ALdouble) -DECL_TEMPLATE(ALmulaw) -DECL_TEMPLATE(ALalaw) - -#undef DECL_TEMPLATE - - -#define DECL_TEMPLATE(T) \ -static void Convert_##T##_ALmsadpcm(T *dst, const ALmsadpcm *src, \ - ALsizei numchans, ALsizei len, \ - ALsizei align) \ -{ \ - ALsizei byte_align = ((align-2)/2 + 7) * numchans; \ - DECL_VLA(ALshort, tmp, align*numchans); \ - ALsizei i, j, k; \ - \ - assert(align > 1 && (len%align) == 0); \ - 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(ALubyte) -static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src, - ALsizei numchans, ALsizei len, - ALsizei align) +void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALubyte *src, ALsizei numchans, ALsizei len, + ALsizei align) { ALsizei byte_align = ((align-2)/2 + 7) * numchans; ALsizei i; @@ -734,163 +273,3 @@ static void Convert_ALshort_ALmsadpcm(ALshort *dst, const ALmsadpcm *src, dst += align*numchans; } } -DECL_TEMPLATE(ALfloat) -DECL_TEMPLATE(ALdouble) -DECL_TEMPLATE(ALmulaw) -DECL_TEMPLATE(ALalaw) - -#undef DECL_TEMPLATE - -#define DECL_TEMPLATE(T) \ -static void Convert_ALmsadpcm_##T(ALmsadpcm *dst, const T *src, \ - ALsizei numchans, ALsizei len, \ - ALsizei align) \ -{ \ - ALint sample[MAX_INPUT_CHANNELS] = {0,0,0,0,0,0,0,0}; \ - ALsizei byte_align = ((align-2)/2 + 7) * numchans; \ - DECL_VLA(ALshort, tmp, align*numchans); \ - ALsizei i, j, k; \ - \ - assert(align > 1 && (len%align) == 0); \ - 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(ALubyte) -static void Convert_ALmsadpcm_ALshort(ALmsadpcm *dst, const ALshort *src, - ALsizei numchans, ALsizei len, ALsizei align) -{ - ALint sample[MAX_INPUT_CHANNELS] = {0,0,0,0,0,0,0,0}; - ALsizei byte_align = ((align-2)/2 + 7) * numchans; - ALsizei i; - - assert(align > 1 && (len%align) == 0); - for(i = 0;i < len;i += align) - { - EncodeMSADPCMBlock(dst, src, sample, numchans, align); - src += align*numchans; - dst += byte_align; - } -} -DECL_TEMPLATE(ALfloat) -DECL_TEMPLATE(ALdouble) -DECL_TEMPLATE(ALmulaw) -DECL_TEMPLATE(ALalaw) - -#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), - ALsizei UNUSED(numchans), ALsizei UNUSED(len), - ALsizei UNUSED(align)) -{ - ERR("Unexpected IMA4-to-IMA4 conversion!\n"); -} - -static void Convert_ALmsadpcm_ALmsadpcm(ALmsadpcm* UNUSED(dst), const ALmsadpcm* UNUSED(src), - ALsizei UNUSED(numchans), ALsizei UNUSED(len), - ALsizei UNUSED(align)) -{ - ERR("Unexpected MSADPCM-to-MSADPCM conversion!\n"); -} - -static void Convert_ALmsadpcm_ALima4(ALmsadpcm* UNUSED(dst), const ALima4* UNUSED(src), - ALsizei UNUSED(numchans), ALsizei UNUSED(len), - ALsizei UNUSED(align)) -{ - ERR("Unexpected IMA4-to-MSADPCM conversion!\n"); -} - -static void Convert_ALima4_ALmsadpcm(ALima4* UNUSED(dst), const ALmsadpcm* UNUSED(src), - ALsizei UNUSED(numchans), ALsizei UNUSED(len), - ALsizei 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 UserFmtUByte: \ - Convert_##T##_ALubyte(dst, src, numchans, len, align); \ - break; \ - case UserFmtShort: \ - Convert_##T##_ALshort(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; \ - } \ -} - -DECL_TEMPLATE(ALubyte) -DECL_TEMPLATE(ALshort) -DECL_TEMPLATE(ALfloat) -DECL_TEMPLATE(ALdouble) -DECL_TEMPLATE(ALmulaw) -DECL_TEMPLATE(ALalaw) -DECL_TEMPLATE(ALima4) -DECL_TEMPLATE(ALmsadpcm) - -#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 UserFmtUByte: - Convert_ALubyte(dst, src, srcType, numchans, len, align); - break; - case UserFmtShort: - Convert_ALshort(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; - } -} |