Index: mppenc/branches/r2d/src/analy_filter.c =================================================================== --- mppenc/branches/r2d/src/analy_filter.c (revision 61) +++ (revision ) @@ -1,341 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include -#include "mppenc.h" - -#define FASTER - -/* C O N S T A N T S */ - -#undef _ -#define _(value) (float)(value##.##L / 0x200000) - -static float Ci_opt [512] = { - _( 0), _( 213), _( 2037), _( 6574), _(75038), _( 6574), _(2037), _(213), - _( -1), _( 218), _( 2000), _( 5959), _(74992), _( 7134), _(2063), _(208), - _( -1), _( 222), _( 1952), _( 5288), _(74856), _( 7640), _(2080), _(202), - _( -1), _( 225), _( 1893), _( 4561), _(74630), _( 8092), _(2087), _(196), - _( -1), _( 227), _( 1822), _( 3776), _(74313), _( 8492), _(2085), _(190), - _( -1), _( 228), _( 1739), _( 2935), _(73908), _( 8840), _(2075), _(183), - _( -1), _( 228), _( 1644), _( 2037), _(73415), _( 9139), _(2057), _(176), - _( -2), _( 227), _( 1535), _( 1082), _(72835), _( 9389), _(2032), _(169), - _( -2), _( 224), _( 1414), _( 70), _(72169), _( 9592), _(2001), _(161), - _( -2), _( 221), _( 1280), _( -998), _(71420), _( 9750), _(1962), _(154), - _( -2), _( 215), _( 1131), _( -2122), _(70590), _( 9863), _(1919), _(147), - _( -3), _( 208), _( 970), _( -3300), _(69679), _( 9935), _(1870), _(139), - _( -3), _( 200), _( 794), _( -4533), _(68692), _( 9966), _(1817), _(132), - _( -4), _( 189), _( 605), _( -5818), _(67629), _( 9959), _(1759), _(125), - _( -4), _( 177), _( 402), _( -7154), _(66494), _( 9916), _(1698), _(117), - _( -5), _( 163), _( 185), _( -8540), _(65290), _( 9838), _(1634), _(111), - _( -5), _( 146), _( -45), _( -9975), _(64019), _( 9727), _(1567), _(104), - _( -6), _( 127), _( -288), _(-11455), _(62684), _( 9585), _(1498), _( 97), - _( -7), _( 106), _( -545), _(-12980), _(61289), _( 9416), _(1428), _( 91), - _( -7), _( 83), _( -814), _(-14548), _(59838), _( 9219), _(1356), _( 85), - _( -8), _( 57), _(-1095), _(-16155), _(58333), _( 8998), _(1283), _( 79), - _( -9), _( 29), _(-1388), _(-17799), _(56778), _( 8755), _(1210), _( 73), - _( -10), _( -2), _(-1692), _(-19478), _(55178), _( 8491), _(1137), _( 68), - _( -11), _( -36), _(-2006), _(-21189), _(53534), _( 8209), _(1064), _( 63), - _( -13), _( -72), _(-2330), _(-22929), _(51853), _( 7910), _( 991), _( 58), - _( -14), _( -111), _(-2663), _(-24694), _(50137), _( 7597), _( 919), _( 53), - _( -16), _( -153), _(-3004), _(-26482), _(48390), _( 7271), _( 848), _( 49), - _( -17), _( -197), _(-3351), _(-28289), _(46617), _( 6935), _( 779), _( 45), - _( -19), _( -244), _(-3705), _(-30112), _(44821), _( 6589), _( 711), _( 41), - _( -21), _( -294), _(-4063), _(-31947), _(43006), _( 6237), _( 645), _( 38), - _( -24), _( -347), _(-4425), _(-33791), _(41176), _( 5879), _( 581), _( 35), - _( -26), _( -401), _(-4788), _(-35640), _(39336), _( 5517), _( 519), _( 31), - _( -29), _( -459), _(-5153), _(-37489), _(37489), _( 5153), _( 459), _( 29), - _( -31), _( -519), _(-5517), _(-39336), _(35640), _( 4788), _( 401), _( 26), - _( -35), _( -581), _(-5879), _(-41176), _(33791), _( 4425), _( 347), _( 24), - _( -38), _( -645), _(-6237), _(-43006), _(31947), _( 4063), _( 294), _( 21), - _( -41), _( -711), _(-6589), _(-44821), _(30112), _( 3705), _( 244), _( 19), - _( -45), _( -779), _(-6935), _(-46617), _(28289), _( 3351), _( 197), _( 17), - _( -49), _( -848), _(-7271), _(-48390), _(26482), _( 3004), _( 153), _( 16), - _( -53), _( -919), _(-7597), _(-50137), _(24694), _( 2663), _( 111), _( 14), - _( -58), _( -991), _(-7910), _(-51853), _(22929), _( 2330), _( 72), _( 13), - _( -63), _(-1064), _(-8209), _(-53534), _(21189), _( 2006), _( 36), _( 11), - _( -68), _(-1137), _(-8491), _(-55178), _(19478), _( 1692), _( 2), _( 10), - _( -73), _(-1210), _(-8755), _(-56778), _(17799), _( 1388), _( -29), _( 9), - _( -79), _(-1283), _(-8998), _(-58333), _(16155), _( 1095), _( -57), _( 8), - _( -85), _(-1356), _(-9219), _(-59838), _(14548), _( 814), _( -83), _( 7), - _( -91), _(-1428), _(-9416), _(-61289), _(12980), _( 545), _(-106), _( 7), - _( -97), _(-1498), _(-9585), _(-62684), _(11455), _( 288), _(-127), _( 6), - _(-104), _(-1567), _(-9727), _(-64019), _( 9975), _( 45), _(-146), _( 5), - _(-111), _(-1634), _(-9838), _(-65290), _( 8540), _( -185), _(-163), _( 5), - _(-117), _(-1698), _(-9916), _(-66494), _( 7154), _( -402), _(-177), _( 4), - _(-125), _(-1759), _(-9959), _(-67629), _( 5818), _( -605), _(-189), _( 4), - _(-132), _(-1817), _(-9966), _(-68692), _( 4533), _( -794), _(-200), _( 3), - _(-139), _(-1870), _(-9935), _(-69679), _( 3300), _( -970), _(-208), _( 3), - _(-147), _(-1919), _(-9863), _(-70590), _( 2122), _(-1131), _(-215), _( 2), - _(-154), _(-1962), _(-9750), _(-71420), _( 998), _(-1280), _(-221), _( 2), - _(-161), _(-2001), _(-9592), _(-72169), _( -70), _(-1414), _(-224), _( 2), - _(-169), _(-2032), _(-9389), _(-72835), _(-1082), _(-1535), _(-227), _( 2), - _(-176), _(-2057), _(-9139), _(-73415), _(-2037), _(-1644), _(-228), _( 1), - _(-183), _(-2075), _(-8840), _(-73908), _(-2935), _(-1739), _(-228), _( 1), - _(-190), _(-2085), _(-8492), _(-74313), _(-3776), _(-1822), _(-227), _( 1), - _(-196), _(-2087), _(-8092), _(-74630), _(-4561), _(-1893), _(-225), _( 1), - _(-202), _(-2080), _(-7640), _(-74856), _(-5288), _(-1952), _(-222), _( 1), - _(-208), _(-2063), _(-7134), _(-74992), _(-5959), _(-2000), _(-218), _( 1), -}; -#undef _ - - -static float M [1024]; - -void -Klemm ( void ) -{ - int i; - int k; - float S [512]; - - for ( i=0; i<32; i++ ) { - for ( k=0; k<32; k++ ) { - M [i*32 + k] = (float) cos ( ((2*i+1)*k & 127) * M_PI/64 ); - } - } - -#ifdef FASTER - for ( i = 0; i < 384; i++ ) - S[i] = Ci_opt[i]; - for ( i = 384; i < 392; i++ ) - S[i] = 0; - for ( i = 392; i < 512; i++ ) - S[i] = -Ci_opt[i]; - for ( i = 0; i < 512; i++ ) - Ci_opt[i] = S[i]; - for ( i = 0; i < 128; i++ ) - Ci_opt[i] = S[(i&7) + 120 - (i&120)]; - for ( i = 128; i < 384; i++ ) - Ci_opt[i] = S[i]; - for ( i = 384; i < 512; i++ ) - Ci_opt[i] = S[ 384 + (i&7) + 120 - (i&120)]; -#endif -} - - /* D E F I N E S */ -#define X_MEM 1152 - -/* V A R I A B L E S */ -float X_L [ X_MEM + 480 ]; -float X_R [ X_MEM + 480 ]; - - -/* F U N C T I O N S */ -// vectoring & partial calculation - -static void -Vectoring ( const float* x, float* y ) -{ -#ifdef FASTER - int i = 0; - const float* c1; - const float* c2; - const float* x1; - const float* x2; - -# define EXPR(c,x) (c[0]*x[0] + c[1]*x[64] + c[2]*x[128] + c[3]*x[192] + c[4]*x[256] + c[5]*x[320] + c[6]*x[384] + c[7]*x[448]) - - i++; - *y++ = EXPR ((Ci_opt+128),(x+31)); - - c1 = Ci_opt - 8; - c2 = Ci_opt + 128; - x1 = x + 16; - x2 = x + 31; - do { - x1--, x2--, i++; - c1 += 8, c2 += 8; - *y++ = EXPR (c1,x1) + EXPR (c2,x2); - } while ( i < 16 ); - - i++; - *y++ = EXPR ((Ci_opt+120),(x+0)) + EXPR ((Ci_opt+256),(x+32)); - - c1 = Ci_opt + 384 - 8; - c2 = Ci_opt + 256; - x1 = x + 47; - x2 = x + 32; - - do { - x1++, x2++, i++; - c1 += 8, c2 += 8; - *y++ = EXPR (c1,x1) + EXPR (c2,x2); - } while ( i < 32 ); -#else - int i; - const float* c = Ci_opt; - - for ( i = 0; i < 16; i++, c += 32, x += 4, y += 4 ) { - y[0] = c[ 0] * x[ 0] + c[ 1] * x[ 64] + c[ 2] * x[128] + c[ 3] * x[192] + c[ 4] * x[256] + c[ 5] * x[320] + c[ 6] * x[384] + c[ 7] * x[448]; - y[1] = c[ 8] * x[ 1] + c[ 9] * x[ 65] + c[10] * x[129] + c[11] * x[193] + c[12] * x[257] + c[13] * x[321] + c[14] * x[385] + c[15] * x[449]; - y[2] = c[16] * x[ 2] + c[17] * x[ 66] + c[18] * x[130] + c[19] * x[194] + c[20] * x[258] + c[21] * x[322] + c[22] * x[386] + c[23] * x[450]; - y[3] = c[24] * x[ 3] + c[25] * x[ 67] + c[26] * x[131] + c[27] * x[195] + c[28] * x[259] + c[29] * x[323] + c[30] * x[387] + c[31] * x[451]; - } -#endif -} - -// matrixing with Mi[32][32] = Mi[1024] - -static void -Matrixing ( const int MaxBand, const float* mi, const float* y, float* samples ) -{ - int i; -#ifdef FASTER - for ( i = 0; i <= MaxBand; i++, mi += 32, samples += 72 ) { // 144 = sizeof(SubbandFloatTyp)/sizeof(float) - samples[0] = y[ 0] + mi[ 1] * y[ 1] + mi[ 2] * y[ 2] + mi[ 3] * y[ 3] - + mi[ 4] * y[ 4] + mi[ 5] * y[ 5] + mi[ 6] * y[ 6] + mi[ 7] * y[ 7] - + mi[ 8] * y[ 8] + mi[ 9] * y[ 9] + mi[10] * y[10] + mi[11] * y[11] - + mi[12] * y[12] + mi[13] * y[13] + mi[14] * y[14] + mi[15] * y[15] - + mi[16] * y[16] + mi[17] * y[17] + mi[18] * y[18] + mi[19] * y[19] - + mi[20] * y[20] + mi[21] * y[21] + mi[22] * y[22] + mi[23] * y[23] - + mi[24] * y[24] + mi[25] * y[25] + mi[26] * y[26] + mi[27] * y[27] - + mi[28] * y[28] + mi[29] * y[29] + mi[30] * y[30] + mi[31] * y[31]; - } -#else - for ( i = 0; i <= MaxBand; i++, mi += 32, samples += 72 ) { // 144 = sizeof(SubbandFloatTyp)/sizeof(float) - samples[0] = y[16] + mi[ 1] * (y[15]+y[17]) - + mi[ 2] * (y[14]+y[18]) + mi[ 3] * (y[13]+y[19]) - + mi[ 4] * (y[12]+y[20]) + mi[ 5] * (y[11]+y[21]) - + mi[ 6] * (y[10]+y[22]) + mi[ 7] * (y[ 9]+y[23]) - + mi[ 8] * (y[ 8]+y[24]) + mi[ 9] * (y[ 7]+y[25]) - + mi[10] * (y[ 6]+y[26]) + mi[11] * (y[ 5]+y[27]) - + mi[12] * (y[ 4]+y[28]) + mi[13] * (y[ 3]+y[29]) - + mi[14] * (y[ 2]+y[30]) + mi[15] * (y[ 1]+y[31]) - + mi[16] * (y[ 0]+y[32]) - + mi[31] * (y[47]-y[49]) + mi[30] * (y[46]-y[50]) - + mi[29] * (y[45]-y[51]) + mi[28] * (y[44]-y[52]) - + mi[27] * (y[43]-y[53]) + mi[26] * (y[42]-y[54]) - + mi[25] * (y[41]-y[55]) + mi[24] * (y[40]-y[56]) - + mi[23] * (y[39]-y[57]) + mi[22] * (y[38]-y[58]) - + mi[21] * (y[37]-y[59]) + mi[20] * (y[36]-y[60]) - + mi[19] * (y[35]-y[61]) + mi[18] * (y[34]-y[62]) - + mi[17] * (y[33]-y[63]); - } -#endif -} - -// Analysis-Filterbank -void -Analyse_Filter ( const PCMDataTyp* in, SubbandFloatTyp* out, const int MaxBand ) -{ -#ifdef FASTER - float Y_L [32]; - float Y_R [32]; -#else - float Y_L [64]; - float Y_R [64]; -#endif - float* x; - const float* pcm; - int n; - int i; - - /************************* calculate L-signal ***************************/ - memcpy ( X_L + X_MEM, X_L, 480*sizeof(*X_L) ); - x = X_L + X_MEM; - pcm = in->L + 479; // 479 = CENTER + 31 - for ( n = 0; n < 36; n++, pcm += 64 ) { - x -= 32; // updating vector x -#ifdef FASTER - for ( i = 0; i < 16; i++ ) - x[i] = *pcm--; - for ( i = 31; i >= 16; i-- ) - x[i] = *pcm--; -#else - for ( i = 0; i < 32; i++ ) - x[i] = *pcm--; -#endif - Vectoring ( x, Y_L ); // vectoring & partial calculation - Matrixing ( MaxBand, M, Y_L, &out[0].L[n] ); // matrixing - } - - /************************* calculate R-signal ***************************/ - memcpy ( X_R + X_MEM, X_R, 480*sizeof(*X_R) ); - x = X_R + X_MEM; - pcm = in->R + 479; // 479 = CENTER + 31 - for ( n = 0; n < 36; n++, pcm += 64 ) { - x -= 32; // updating vector x -#ifdef FASTER - for ( i = 0; i < 16; i++ ) - x[i] = *pcm--; - for ( i = 31; i >= 16; i-- ) - x[i] = *pcm--; -#else - for ( i = 0; i < 32; i++ ) - x[i] = *pcm--; -#endif - Vectoring ( x, Y_R ); // vectoring & partial calculation - Matrixing ( MaxBand, M, Y_R, &out[0].R[n] ); // matrixing - } -} - -void -Analyse_Init ( float Left, float Right, SubbandFloatTyp* out, const int MaxBand ) -{ -#ifdef FASTER - float Y_L [32]; - float Y_R [32]; -#else - float Y_L [64]; - float Y_R [64]; -#endif - float* x; - int n; - int i; - - /************************* calculate L-signal ***************************/ - memcpy ( X_L + X_MEM, X_L, 480*sizeof(*X_L) ); - x = X_L + X_MEM; - - for ( n = 0; n < 36; n++ ) { - x -= 32; // updating vector x -#ifdef FASTER - for ( i = 0; i < 16; i++ ) - x[i] = Left; - for ( i = 31; i >= 16; i-- ) - x[i] = Left; -#else - for ( i = 0; i < 32; i++ ) - x[i] = Left; -#endif - Vectoring ( x, Y_L ); // vectoring & partial calculation - Matrixing ( MaxBand, M, Y_L, &out[0].L[n] ); // matrixing - } - - /************************* calculate R-signal ***************************/ - memcpy ( X_R + X_MEM, X_R, 480*sizeof(*X_R) ); - x = X_R + X_MEM; - for ( n = 0; n < 36; n++ ) { - x -= 32; // updating vector x -#ifdef FASTER - for ( i = 0; i < 16; i++ ) - x[i] = Right; - for ( i = 31; i >= 16; i-- ) - x[i] = Right; -#else - for ( i = 0; i < 32; i++ ) - x[i] = Right; -#endif - Vectoring ( x, Y_R ); // vectoring & partial calculation - Matrixing ( MaxBand, M, Y_R, &out[0].R[n] ); // matrixing - } -} - -/* end of analy_filter.c */ Index: mppenc/branches/r2d/src/bitstream.c =================================================================== --- mppenc/branches/r2d/src/bitstream.c (revision 61) +++ (revision ) @@ -1,188 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "mppenc.h" - - -Uint32_t Buffer [BUFFER_FULL]; // Buffer for bitstream-file -Uint32_t dword = 0; // 32-bit-Word for Bitstream-I/O -int filled = 32; // Position in the the 32-bit-word that's currently about to be filled -unsigned int Zaehler = 0; // Position pointer for the processed bitstream-word (32 bit) -UintMax_t BufferedBits = 0; // Counter for the number of written bits in the bitstream - - -/* - * Change_Endian32() changes the endianess of a 32-bit memory block in-place - * by swapping the byte order. This is a little bit tricky, but a well - * known method which is much much faster, especially on modern CPUs, than - * byte picking, because it avoids memory aliasing. Note that this method - * is poison for old 16-bit compilers! - */ - -#if ENDIAN == HAVE_BIG_ENDIAN - -static void -Change_Endian32 ( unsigned int* dst, size_t words32bit ) -{ - for ( ; words32bit--; dst++ ) { -# if INT_MAX >= 2147483647L - unsigned int tmp = *dst; - tmp = ((tmp << 0x10) & 0xFFFF0000) | ((tmp >> 0x10) & 0x0000FFFF); - tmp = ((tmp << 0x08) & 0xFF00FF00) | ((tmp >> 0x08) & 0x00FF00FF); - *dst = tmp; -# else - char tmp; - tmp = ((char*)dst)[0]; - ((char*)dst)[0] = ((char*)dst)[3]; - ((char*)dst)[3] = tmp; - tmp = ((char*)dst)[1]; - ((char*)dst)[1] = ((char*)dst)[2]; - ((char*)dst)[2] = tmp; -# endif - } - return; -} - -#endif /* ENDIAN == HAVE_BIG_ENDIAN */ - - -void -FlushBitstream ( FILE* fp, const Uint32_t* buffer, size_t words32bit ) -{ - size_t WrittenDwords = 0; - const Uint32_t* p = buffer; - size_t CC = words32bit; - -#if ENDIAN == HAVE_BIG_ENDIAN - Change_Endian32 ( (Uint32_t*)buffer, CC ); -#endif - - // Write Buffer - do { - WrittenDwords = fwrite ( p, sizeof(*buffer), words32bit, fp ); - if ( WrittenDwords == 0 ) { - stderr_printf ( "\b\n WARNING: Disk full?, retry after 10 sec ...\a" ); - sleep (10); - } - if ( WrittenDwords > 0 ) { - p += WrittenDwords; - words32bit -= WrittenDwords; - } - } while ( words32bit != 0 ); - -#if ENDIAN == HAVE_BIG_ENDIAN - Change_Endian32 ( (Uint32_t*)buffer, CC ); -#endif -} - - -void -UpdateHeader ( FILE* fp, Uint32_t Frames, Uint ValidSamples ) -{ - Uint8_t buff [4]; - - // Write framecount to header - if ( fseek ( fp, 4L, SEEK_SET ) < 0 ) - return; - - buff [0] = (Uint8_t)(Frames >> 0); - buff [1] = (Uint8_t)(Frames >> 8); - buff [2] = (Uint8_t)(Frames >> 16); - buff [3] = (Uint8_t)(Frames >> 24); - - fwrite ( buff, 1, 4, fp ); - - // Write ValidSamples to header - if ( fseek ( fp, 22L, SEEK_SET ) < 0 ) - return; - fread ( buff, 1, 2, fp ); - if ( ferror(fp) ) - return; - if ( fseek ( fp, 22L, SEEK_SET ) < 0 ) - return; - - ValidSamples <<= 4; - ValidSamples |= 0x800F & (((Uint) buff[1] << 8) | buff[0]); - buff [0] = (Uint8_t)(ValidSamples >> 0); - buff [1] = (Uint8_t)(ValidSamples >> 8); - - fwrite ( buff, 1, 2, fp ); - - - // Set filepointer to end of file (dirty method, should be old position!!) - fseek ( fp, 0L, SEEK_END ); -} - - -void -WriteBits ( const Uint32_t input, const unsigned int bits ) -{ - BufferedBits += bits; - filled -= bits; - - if ( filled > 0 ) { - dword |= input << filled; - } - else if ( filled < 0 ) { - Buffer [Zaehler++] = dword | ( input >> -filled ); - filled += 32; - dword = input << filled; - } - else { - Buffer [Zaehler++] = dword | input; - filled = 32; - dword = 0; - } -} - -// Bits in the original stream have to be 0, maximum X bits allowed to be set in input -// Actual bitstream must have already written ptr[0] and ptr[1] -void -WriteBitsAt ( const Uint32_t input, const unsigned int bits, BitstreamPos const pos ) -{ - Uint32_t* ptr = pos.ptr; - int filled = pos.bit - bits; - -// fprintf ( stderr, "%5u %2u %08lX %2u\n", input, bits, pos.ptr, pos.bit ); - - Buffer [Zaehler] = dword; - - if ( filled > 0 ) { - ptr [0] |= input << ( +filled); - } - else if ( filled < 0 ) { - ptr [0] |= input >> ( -filled); - ptr [1] |= input << (32+filled); - } - else { - ptr [0] |= input; - } - - dword = Buffer [Zaehler]; -} - - -void -GetBitstreamPos ( BitstreamPos* const pos ) -{ - pos -> ptr = Buffer + Zaehler; - pos -> bit = filled; -} - -/* end of bitstream.c */ Index: mppenc/branches/r2d/src/encode_sv7.c =================================================================== --- mppenc/branches/r2d/src/encode_sv7.c (revision 61) +++ (revision ) @@ -1,451 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "mppenc.h" - -/* - * SV1: DATE 13.12.1998 - * SV2: DATE 12.06.1999 - * SV3: DATE 19.10.1999 - * SV4: DATE 20.10.1999 - * SV5: DATE 18.06.2000 - * SV6: DATE 10.08.2000 - * SV7: DATE 23.08.2000 - * SV7.f: DATE 20.07.2002 - */ - -unsigned char MS_Flag [32]; // Flag to save if Subband was MS- or LR-coded -int SCF_Last_L [32]; -int SCF_Last_R [32]; // Last coded SCF value -static unsigned char DSCF_RLL_L [32]; -static unsigned char DSCF_RLL_R [32]; // Duration of the differential SCF-coding for RLL (run length limitation) -int Res_L [32]; -int Res_R [32]; // Quantization precision of the subbands -int SCF_Index_L [32] [3]; -int SCF_Index_R [32] [3]; // Scalefactor index for quantized subband values - - -// initialize SV7 -void -Init_SV7 ( void ) -{ - Init_Huffman_Encoder_SV7 (); -} - - -// writes SV7-header -void -WriteHeader_SV7 ( const unsigned int MaxBand, - const unsigned int Profile, - const unsigned int MS_on, - const Uint32_t TotalFrames, - const unsigned int SamplesRest, - const unsigned int StreamVersion, - const unsigned int SampleFreq ) -{ - WriteBits ( StreamVersion, 8 ); // StreamVersion - WriteBits ( 0x2B504D , 24 ); // Magic Number "MP+" - - WriteBits ( TotalFrames , 32 ); // # of frames - - WriteBits ( 0 , 1 ); // former IS-Flag (not supported anymore) - WriteBits ( MS_on , 1 ); // MS-Coding Flag - WriteBits ( MaxBand , 6 ); // Bandwidth - -#if 0 - if ( MPPENC_VERSION [3] & 1 ) - WriteBits ( 1 , 4 ); // 1: Experimental profile - else -#endif - - WriteBits ( Profile , 4 ); // 5...15: below Telephone...above BrainDead - WriteBits ( 0 , 2 ); // for future use - switch ( SampleFreq ) { - case 44100: WriteBits ( 0, 2 ); break; - case 48000: WriteBits ( 1, 2 ); break; - case 37800: WriteBits ( 2, 2 ); break; - case 32000: WriteBits ( 3, 2 ); break; - default : stderr_printf ( "Internal error\n"); - exit (1); - } - WriteBits ( 0 , 16 ); // maximum input sample value, currently filled by replaygain - - WriteBits ( 0 , 32 ); // title based gain controls, currently filled by replaygain - - WriteBits ( 0 , 32 ); // album based gain controls, currently filled by replaygain - - WriteBits ( 1 , 1 ); // true gapless: used? - WriteBits ( SamplesRest , 11 ); // true gapless: valid samples in last frame - WriteBits ( 1 , 1 ); // we now support fast seeking - WriteBits ( 0 , 19 ); - - WriteBits ( (MPPENC_VERSION[0]&15)*100 + (MPPENC_VERSION[2]&15)*10 + (MPPENC_VERSION[3]&15), - 8 ); // for future use -} - - -void -FinishBitstream ( void ) -{ - Buffer [Zaehler++] = dword; // Assigning the "last" word -} - - -#define ENCODE_SCF1( new, old, rll ) \ - d = new - old + 7; \ - if ( d <= 14u && rll < 32) { \ - WriteBits ( Table[d].Code, Table[d].Length ); \ - } \ - else { \ - if ( new < 0 ) new = 0, Overflows++; \ - WriteBits ( Table[15].Code, Table[15].Length ); \ - WriteBits ( (unsigned int)new, 6 ); \ - rll = 0; \ - } - -#define ENCODE_SCFn( new, old, rll ) \ - d = new - old + 7; \ - if ( d <= 14u ) { \ - WriteBits ( Table[d].Code, Table[d].Length ); \ - } \ - else { \ - if ( new < 0 ) new = 0, Overflows++; \ - WriteBits ( Table[15].Code, Table[15].Length ); \ - WriteBits ( (unsigned int)new, 6 ); \ - rll = 0; \ - } - - -static void -test ( const unsigned int* const Res, const int* q ) -{ -#if 0 - int i; - - switch ( *Res ) { - case 1: - for ( i = 0; i < 36; i ++ ) - if ( q[i] != 1 ) - return; - fprintf ( stderr, "Alles Nullsamples, aber Auflï¿œung = %u\n", *Res ); - *Res = 0; - break; - case 2: - for ( i = 0; i < 36; i ++ ) - if ( q[i] != 2 ) - return; - fprintf ( stderr, "Alles Nullsamples, aber Auflï¿œung = %u\n", *Res ); - *Res = 0; - break; - } -#endif -} - - -// formatting and writing SV7-bitstream for one frame -void -WriteBitstream_SV7 ( const int MaxBand, - const SubbandQuantTyp* Q ) -{ - int n; - int k; - unsigned int d; - unsigned int idx; - unsigned int book; - const Huffman_t* Table; - const Huffman_t* Table0; - const Huffman_t* Table1; - int sum; - const unsigned int* q; - unsigned char SCFI_L [32]; - unsigned char SCFI_R [32]; - - /************************************ Resolution *********************************/ - WriteBits ( (unsigned int)Res_L[0], 4 ); // subband 0 - WriteBits ( (unsigned int)Res_R[0], 4 ); - if ( MS_Channelmode > 0 && !(Res_L[0]==0 && Res_R[0]==0) ) - WriteBits ( MS_Flag[0] , 1 ); - - Table = HuffHdr; // subband 1...MaxBand - for ( n = 1; n <= MaxBand; n++ ) { - test ( Res_L+n, Q[n].L ); - - d = Res_L[n] - Res_L[n-1] + 5; - if ( d <= 8u ) { - WriteBits ( Table[d].Code, Table[d].Length ); - } - else { - WriteBits ( Table[9].Code, Table[9].Length ); - WriteBits ( Res_L[n] , 4 ); - } - - test ( Res_R+n, Q[n].R ); - d = Res_R[n] - Res_R[n-1] + 5; - if ( d <= 8u ) { - WriteBits ( Table[d].Code, Table[d].Length ); - } - else { - WriteBits ( Table[9].Code, Table[9].Length ); - WriteBits ( Res_R[n] , 4 ); - } - if ( MS_Channelmode > 0 && !(Res_L[n]==0 && Res_R[n]==0) ) - WriteBits ( MS_Flag[n], 1 ); - } - - /************************************ SCF encoding type ***********************************/ - Table = HuffSCFI; - for ( n = 0; n <= MaxBand; n++ ) { - if ( Res_L[n] ) { - SCFI_L[n] = 2 * (SCF_Index_L[n][0] == SCF_Index_L[n][1]) + (SCF_Index_L[n][1] == SCF_Index_L[n][2]); - WriteBits ( Table[SCFI_L[n]].Code, Table[SCFI_L[n]].Length ); - } - if ( Res_R[n] ) { - SCFI_R[n] = 2 * (SCF_Index_R[n][0] == SCF_Index_R[n][1]) + (SCF_Index_R[n][1] == SCF_Index_R[n][2]); - WriteBits ( Table[SCFI_R[n]].Code, Table[SCFI_R[n]].Length ); - } - } - - /************************************* SCF **********************************/ - Table = HuffDSCF; - for ( n = 0; n <= MaxBand; n++ ) { - - if ( Res_L[n] ) { - switch ( SCFI_L[n] ) { - default: - ENCODE_SCF1 ( SCF_Index_L[n][0], SCF_Last_L [n] , DSCF_RLL_L[n] ); - ENCODE_SCFn ( SCF_Index_L[n][1], SCF_Index_L[n][0], DSCF_RLL_L[n] ); - ENCODE_SCFn ( SCF_Index_L[n][2], SCF_Index_L[n][1], DSCF_RLL_L[n] ); - SCF_Last_L[n] = SCF_Index_L[n][2]; - break; - case 1: - ENCODE_SCF1 ( SCF_Index_L[n][0], SCF_Last_L [n] , DSCF_RLL_L[n] ); - ENCODE_SCFn ( SCF_Index_L[n][1], SCF_Index_L[n][0], DSCF_RLL_L[n] ); - SCF_Last_L[n] = SCF_Index_L[n][1]; - break; - case 2: - ENCODE_SCF1 ( SCF_Index_L[n][0], SCF_Last_L[n] , DSCF_RLL_L[n] ); - ENCODE_SCFn ( SCF_Index_L[n][2], SCF_Index_L[n][0], DSCF_RLL_L[n] ); - SCF_Last_L[n] = SCF_Index_L[n][2]; - break; - case 3: - ENCODE_SCF1 ( SCF_Index_L[n][0], SCF_Last_L[n] , DSCF_RLL_L[n] ); - SCF_Last_L[n] = SCF_Index_L[n][0]; - break; - } - } - if (DSCF_RLL_L[n] <= 32) - DSCF_RLL_L[n]++; // Increased counters for SCF that haven't been initialized again - - if ( Res_R[n] ) { - switch ( SCFI_R[n] ) { - default: - ENCODE_SCF1 ( SCF_Index_R[n][0], SCF_Last_R[n] , DSCF_RLL_R[n] ); - ENCODE_SCFn ( SCF_Index_R[n][1], SCF_Index_R[n][0], DSCF_RLL_R[n] ); - ENCODE_SCFn ( SCF_Index_R[n][2], SCF_Index_R[n][1], DSCF_RLL_R[n] ); - SCF_Last_R[n] = SCF_Index_R[n][2]; - break; - case 1: - ENCODE_SCF1 ( SCF_Index_R[n][0], SCF_Last_R[n] , DSCF_RLL_R[n] ); - ENCODE_SCFn ( SCF_Index_R[n][1], SCF_Index_R[n][0], DSCF_RLL_R[n] ); - SCF_Last_R[n] = SCF_Index_R[n][1]; - break; - case 2: - ENCODE_SCF1 ( SCF_Index_R[n][0], SCF_Last_R[n] , DSCF_RLL_R[n] ); - ENCODE_SCFn ( SCF_Index_R[n][2], SCF_Index_R[n][0], DSCF_RLL_R[n] ); - SCF_Last_R[n] = SCF_Index_R[n][2]; - break; - case 3: - ENCODE_SCF1 ( SCF_Index_R[n][0], SCF_Last_R[n] , DSCF_RLL_R[n] ); - SCF_Last_R[n] = SCF_Index_R[n][0]; - break; - } - } - if (DSCF_RLL_R[n] <= 32) - DSCF_RLL_R[n]++; // Increased counters for SCF that haven't been freshly initialized - } - - /*********************************** Samples *********************************/ - for ( n = 0; n <= MaxBand; n++ ) { - - sum = 0; - q = Q[n].L; - - switch ( Res_L[n] ) { - case -1: - case 0: - break; - case 1: - Table0 = HuffQ [0][1]; - Table1 = HuffQ [1][1]; - for ( k = 0; k < 36; k += 3 ) { - idx = q[k+0] + 3*q[k+1] + 9*q[k+2]; - sum += Table0 [idx].Length; - sum -= Table1 [idx].Length; - } - book = sum >= 0; - WriteBits ( book, 1 ); - Table = HuffQ [book][1]; - for ( k = 0; k < 36; k += 3 ) { - idx = q[k+0] + 3*q[k+1] + 9*q[k+2]; - WriteBits ( Table[idx].Code, Table[idx].Length ); - } - break; - case 2: - Table0 = HuffQ [0][2]; - Table1 = HuffQ [1][2]; - for ( k = 0; k < 36; k += 2 ) { - idx = q[k+0] + 5*q[k+1]; - sum += Table0 [idx].Length; - sum -= Table1 [idx].Length; - } - book = sum >= 0; - WriteBits ( book, 1 ); - Table = HuffQ [book][2]; - for ( k = 0; k < 36; k += 2 ) { - idx = q[k+0] + 5*q[k+1]; - WriteBits ( Table[idx].Code, Table[idx].Length ); - } - break; - case 3: - case 4: - case 5: - case 6: - case 7: - Table0 = HuffQ [0][Res_L[n]]; - Table1 = HuffQ [1][Res_L[n]]; - for ( k = 0; k < 36; k++ ) { - sum += Table0 [q[k]].Length; - sum -= Table1 [q[k]].Length; - } - book = sum >= 0; - WriteBits ( book, 1 ); - Table = HuffQ [book][Res_L[n]]; - for ( k = 0; k < 36; k++ ) { - idx = q[k]; - WriteBits ( Table[idx].Code, Table[idx].Length ); - } - break; - default: - for ( k = 0; k < 36; k++ ) - WriteBits ( q[k], Res_L[n]-1 ); - break; - } - - sum = 0; - q = Q[n].R; - - switch ( Res_R[n] ) { - case -1: - case 0: - break; - case 1: - Table0 = HuffQ [0][1]; - Table1 = HuffQ [1][1]; - for ( k = 0; k < 36; k += 3 ) { - idx = q[k+0] + 3*q[k+1] + 9*q[k+2]; - sum += Table0 [idx].Length; - sum -= Table1 [idx].Length; - } - book = sum >= 0; - WriteBits ( book, 1 ); - Table = HuffQ [book][1]; - for ( k = 0; k < 36; k += 3 ) { - idx = q[k+0] + 3*q[k+1] + 9*q[k+2]; - WriteBits ( Table[idx].Code, Table[idx].Length ); - } - break; - case 2: - Table0 = HuffQ [0][2]; - Table1 = HuffQ [1][2]; - for ( k = 0; k < 36; k += 2 ) { - idx = q[k+0] + 5*q[k+1]; - sum += Table0 [idx].Length; - sum -= Table1 [idx].Length; - } - book = sum >= 0; - WriteBits ( book, 1 ); - Table = HuffQ [book][2]; - for ( k = 0; k < 36; k += 2 ) { - idx = q[k+0] + 5*q[k+1]; - WriteBits ( Table[idx].Code, Table[idx].Length ); - } - break; - case 3: - case 4: - case 5: - case 6: - case 7: - Table0 = HuffQ [0][Res_R[n]]; - Table1 = HuffQ [1][Res_R[n]]; - for ( k = 0; k < 36; k++ ) { - sum += Table0 [q[k]].Length; - sum -= Table1 [q[k]].Length; - } - book = sum >= 0; - WriteBits ( book, 1 ); - Table = HuffQ [book][Res_R[n]]; - for ( k = 0; k < 36; k++ ) { - idx = q[k]; - WriteBits ( Table[idx].Code, Table[idx].Length ); - } - break; - default: - for ( k = 0; k < 36; k++ ) - WriteBits ( q[k], Res_R[n] - 1 ); - break; - } - - } - return; -} - -#undef ENCODE_SCF1 -#undef ENCODE_SCFn - - -#if 0 -void -Dump ( const unsigned int* q, const int Res ) -{ - switch ( Res ) { - case 1: - for ( k = 0; k < 36; k++, q++ ) - printf ("%2d%c", *q-1, k==35?'\n':' '); - break; - case 2: - for ( k = 0; k < 36; k++, q++ ) - printf ("%2d%c", *q-2, k==35?'\n':' '); - break; - case 3: case 4: case 5: case 6: case 7: - if ( Res == 5 ) - for ( k = 0; k < 36; k++, q++ ) - printf ("%2d%c", *q-7, k==35?'\n':' '); - break; - case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15: case 16: case 17: - printf ("%2u: ", Res-1 ); - for ( k = 0; k < 36; k++, q++ ) { - printf ("%6d", *q - (1 << (Res-2)) ); - } - printf ("\n"); - break; - } -} -#endif - -/* end of encode_sv7.c */ Index: mppenc/branches/r2d/src/huffsv7.c =================================================================== --- mppenc/branches/r2d/src/huffsv7.c (revision 61) +++ (revision ) @@ -1,444 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "mppdec.h" - -Huffman_t HuffHdr [10]; // 9 bit -Huffman_t HuffSCFI [ 4]; // 3 bit -Huffman_t HuffDSCF [16]; // 6 bit -Huffman_t HuffQ1 [2] [ 3*3*3]; // 6+ 9 bit -Huffman_t HuffQ2 [2] [ 5*5]; // 7+10 bit -Huffman_t HuffQ3 [2] [ 7]; // 4+ 5 bit -Huffman_t HuffQ4 [2] [ 9]; // 4+ 5 bit -Huffman_t HuffQ5 [2] [15]; // 6+ 8 bit -Huffman_t HuffQ6 [2] [31]; // 7+13 bit -Huffman_t HuffQ7 [2] [63]; // 8+14 bit - // 4608 Bytes -Uint8_t LUT1_0 [1<< 6]; -Uint8_t LUT1_1 [1<< 9]; // 576 Bytes -Uint8_t LUT2_0 [1<< 7]; -Uint8_t LUT2_1 [1<<10]; // 1152 Bytes -Uint8_t LUT3_0 [1<< 4]; -Uint8_t LUT3_1 [1<< 5]; // 48 Bytes -Uint8_t LUT4_0 [1<< 4]; -Uint8_t LUT4_1 [1<< 5]; // 48 Bytes -Uint8_t LUT5_0 [1<< 6]; -Uint8_t LUT5_1 [1<< 8]; // 320 Bytes -Uint8_t LUT6_0 [1<< 7]; -Uint8_t LUT6_1 [1<< 7]; // 256 Bytes -Uint8_t LUT7_0 [1<< 8]; -Uint8_t LUT7_1 [1<< 8]; // 512 Bytes -Uint8_t LUTDSCF [1<< 6]; // 64 Bytes = 2976 Bytes - -const Huffman_t* HuffQ [2] [8] = { - { NULL, HuffQ1[0], HuffQ2[0], HuffQ3[0], HuffQ4[0], HuffQ5[0], HuffQ6[0], HuffQ7[0] }, - { NULL, HuffQ1[1], HuffQ2[1], HuffQ3[1], HuffQ4[1], HuffQ5[1], HuffQ6[1], HuffQ7[1] } -}; - -#ifdef USE_SV8 -Huffman_t HuffN3 [2] [ 7*7]; // 8+ 9 bit -Huffman_t HuffN8 [2][127]; //13+12 bit - -const Huffman_t* HuffN [2] [9] = { - { NULL, HuffQ1[0], HuffQ2[0], HuffN3[0], HuffQ4[0], HuffQ5[0], HuffQ6[0], HuffQ7[0], HuffN8[0] }, - { NULL, HuffQ1[1], HuffQ2[1], HuffN3[1], HuffQ4[1], HuffQ5[1], HuffQ6[1], HuffQ7[1], HuffN8[1] } -}; -#endif - -static const HuffSrc_t HuffSCFI_src [4] = { - { 2, 3 }, { 1, 1 }, { 3, 3 }, { 0, 2 } -}; - -static const HuffSrc_t HuffDSCF_src [16] = { - { 32, 6 }, { 4, 5 }, { 17, 5 }, { 30, 5 }, { 13, 4 }, { 0, 3 }, { 3, 3 }, { 9, 4 }, - { 5, 3 }, { 2, 3 }, { 14, 4 }, { 3, 4 }, { 31, 5 }, { 5, 5 }, { 33, 6 }, { 12, 4 } -}; - -static const HuffSrc_t HuffHdr_src [10] = { - { 92, 8 }, { 47, 7 }, { 10, 5 }, { 4, 4 }, { 0, 2 }, - { 1, 1 }, { 3, 3 }, { 22, 6 }, { 187, 9 }, { 186, 9 } -}; - -static const HuffSrc_t HuffQ1_src [2] [3*3*3] = { { - { 54, 6 }, { 9, 5 }, { 32, 6 }, { 5, 5 }, { 10, 4 }, { 7, 5 }, { 52, 6 }, { 0, 5 }, { 35, 6 }, - { 10, 5 }, { 6, 4 }, { 4, 5 }, { 11, 4 }, { 7, 3 }, { 12, 4 }, { 3, 5 }, { 7, 4 }, { 11, 5 }, - { 34, 6 }, { 1, 5 }, { 53, 6 }, { 6, 5 }, { 9, 4 }, { 2, 5 }, { 33, 6 }, { 8, 5 }, { 55, 6 } -}, { - { 103, 8 }, { 62, 7 }, { 225, 9 }, { 55, 7 }, { 3, 4 }, { 52, 7 }, { 101, 8 }, { 60, 7 }, { 227, 9 }, - { 24, 6 }, { 0, 4 }, { 61, 7 }, { 4, 4 }, { 1, 1 }, { 5, 4 }, { 63, 7 }, { 1, 4 }, { 59, 7 }, - { 226, 9 }, { 57, 7 }, { 100, 8 }, { 53, 7 }, { 2, 4 }, { 54, 7 }, { 224, 9 }, { 58, 7 }, { 102, 8 } -} }; - -static const HuffSrc_t HuffQ2_src [2] [5*5] = { { - { 89, 7 }, { 47, 6 }, { 15, 5 }, { 0, 5 }, { 91, 7 }, - { 4, 5 }, { 6, 4 }, { 13, 4 }, { 4, 4 }, { 5, 5 }, - { 20, 5 }, { 12, 4 }, { 4, 3 }, { 15, 4 }, { 14, 5 }, - { 3, 5 }, { 3, 4 }, { 14, 4 }, { 5, 4 }, { 1, 5 }, - { 90, 7 }, { 2, 5 }, { 21, 5 }, { 46, 6 }, { 88, 7 } -}, { - { 921, 10 }, { 113, 7 }, { 51, 6 }, { 231, 8 }, { 922, 10 }, - { 104, 7 }, { 30, 5 }, { 0, 3 }, { 29, 5 }, { 105, 7 }, - { 50, 6 }, { 1, 3 }, { 2, 2 }, { 3, 3 }, { 49, 6 }, - { 107, 7 }, { 27, 5 }, { 2, 3 }, { 31, 5 }, { 112, 7 }, - { 920, 10 }, { 106, 7 }, { 48, 6 }, { 114, 7 }, { 923, 10 } -} }; - -#ifdef USE_SV8 -static const HuffSrc_t HuffN3_src [2] [7*7] = { { - { 78, 7 }, { 20, 6 }, { 36, 6 }, { 51, 6 }, { 21, 6 }, { 101, 7 }, { 255, 8 }, - { 37, 6 }, { 0, 5 }, { 62, 6 }, { 7, 5 }, { 60, 6 }, { 49, 6 }, { 100, 7 }, - { 30, 6 }, { 53, 6 }, { 8, 5 }, { 14, 5 }, { 5, 5 }, { 54, 6 }, { 26, 6 }, - { 43, 6 }, { 1, 5 }, { 20, 5 }, { 14, 4 }, { 22, 5 }, { 9, 5 }, { 46, 6 }, - { 47, 6 }, { 61, 6 }, { 17, 5 }, { 16, 5 }, { 11, 5 }, { 4, 5 }, { 38, 6 }, - { 6, 6 }, { 52, 6 }, { 6, 5 }, { 12, 5 }, { 2, 5 }, { 55, 6 }, { 27, 6 }, - { 254, 8 }, { 126, 7 }, { 31, 6 }, { 48, 6 }, { 42, 6 }, { 7, 6 }, { 79, 7 } -}, { - { 65, 9 }, { 161, 8 }, { 109, 7 }, { 11, 6 }, { 116, 7 }, { 160, 8 }, { 71, 9 }, - { 34, 8 }, { 97, 7 }, { 56, 6 }, { 8, 5 }, { 55, 6 }, { 85, 7 }, { 166, 8 }, - { 84, 7 }, { 52, 6 }, { 3, 4 }, { 11, 4 }, { 5, 4 }, { 59, 6 }, { 86, 7 }, - { 10, 6 }, { 13, 5 }, { 9, 4 }, { 0, 3 }, { 8, 4 }, { 12, 5 }, { 9, 6 }, - { 98, 7 }, { 51, 6 }, { 31, 5 }, { 7, 4 }, { 30, 5 }, { 53, 6 }, { 99, 7 }, - { 162, 8 }, { 108, 7 }, { 50, 6 }, { 9, 5 }, { 57, 6 }, { 82, 7 }, { 163, 8 }, - { 64, 9 }, { 167, 8 }, { 87, 7 }, { 117, 7 }, { 96, 7 }, { 33, 8 }, { 70, 9 } -} }; -#endif - -static const HuffSrc_t HuffQ3_src [2] [ 7] = { { - { 12, 4 }, { 4, 3 }, { 0, 2 }, { 1, 2 }, { 7, 3 }, { 5, 3 }, { 13, 4 } -}, { - { 4, 5 }, { 3, 4 }, { 2, 2 }, { 3, 2 }, { 1, 2 }, { 0, 3 }, { 5, 5 } -} }; - -static const HuffSrc_t HuffQ4_src [2] [ 9] = { { - { 5, 4 }, { 0, 3 }, { 4, 3 }, { 6, 3 }, { 7, 3 }, { 5, 3 }, { 3, 3 }, { 1, 3 }, { 4, 4 } -}, { - { 9, 5 }, { 12, 4 }, { 3, 3 }, { 0, 2 }, { 2, 2 }, { 7, 3 }, { 13, 4 }, { 5, 4 }, { 8, 5 } -} }; - -static const HuffSrc_t HuffQ5_src [2] [15] = { { - { 57, 6 }, { 23, 5 }, { 8, 4 }, { 10, 4 }, { 13, 4 }, { 0, 3 }, { 2, 3 }, { 3, 3 }, - { 1, 3 }, { 15, 4 }, { 12, 4 }, { 9, 4 }, { 29, 5 }, { 22, 5 }, { 56, 6 } -}, { - { 229, 8 }, { 56, 6 }, { 7, 5 }, { 2, 4 }, { 0, 3 }, { 3, 3 }, { 5, 3 }, { 6, 3 }, - { 4, 3 }, { 2, 3 }, { 15, 4 }, { 29, 5 }, { 6, 5 }, { 115, 7 }, { 228, 8 }, -} }; - -static const HuffSrc_t HuffQ6_src [2] [31] = { { - { 65, 7 }, { 6, 6 }, { 44, 6 }, { 45, 6 }, { 59, 6 }, { 13, 5 }, { 17, 5 }, { 19, 5 }, - { 23, 5 }, { 21, 5 }, { 26, 5 }, { 30, 5 }, { 0, 4 }, { 2, 4 }, { 5, 4 }, { 7, 4 }, - { 3, 4 }, { 4, 4 }, { 31, 5 }, { 28, 5 }, { 25, 5 }, { 27, 5 }, { 24, 5 }, { 20, 5 }, - { 18, 5 }, { 12, 5 }, { 2, 5 }, { 58, 6 }, { 33, 6 }, { 7, 6 }, { 64, 7 }, -}, { - { 6472, 13 }, { 6474, 13 }, { 808, 10 }, { 405, 9 }, { 203, 8 }, { 102, 7 }, { 49, 6 }, { 9, 5 }, - { 15, 5 }, { 31, 5 }, { 2, 4 }, { 6, 4 }, { 8, 4 }, { 11, 4 }, { 13, 4 }, { 0, 3 }, - { 14, 4 }, { 10, 4 }, { 9, 4 }, { 5, 4 }, { 3, 4 }, { 30, 5 }, { 14, 5 }, { 8, 5 }, - { 48, 6 }, { 103, 7 }, { 201, 8 }, { 200, 8 }, { 1619, 11 }, { 6473, 13 }, { 6475, 13 }, -} }; - -static const HuffSrc_t HuffQ7_src [2] [63] = { { - { 103, 8 }, // 0.3338 01100111 - { 153, 8 }, // 0.3766 10011001 - { 181, 8 }, // 0.4715 10110101 - { 233, 8 }, // 0.5528 11101001 - { 64, 7 }, // 0.6677 1000000 - { 65, 7 }, // 0.7041 1000001 - { 77, 7 }, // 0.7733 1001101 - { 81, 7 }, // 0.8296 1010001 - { 91, 7 }, // 0.9295 1011011 - { 113, 7 }, // 1.0814 1110001 - { 112, 7 }, // 1.0807 1110000 - { 24, 6 }, // 1.2748 011000 - { 29, 6 }, // 1.3390 011101 - { 35, 6 }, // 1.4224 100011 - { 37, 6 }, // 1.5201 100101 - { 41, 6 }, // 1.6642 101001 - { 44, 6 }, // 1.7292 101100 - { 46, 6 }, // 1.8647 101110 - { 51, 6 }, // 2.0473 110011 - { 49, 6 }, // 2.0152 110001 - { 54, 6 }, // 2.1315 110110 - { 55, 6 }, // 2.1358 110111 - { 57, 6 }, // 2.1700 111001 - { 60, 6 }, // 2.2449 111100 - { 0, 5 }, // 2.3063 00000 - { 2, 5 }, // 2.3854 00010 - { 10, 5 }, // 2.5481 01010 - { 5, 5 }, // 2.4867 00101 - { 9, 5 }, // 2.5352 01001 - { 6, 5 }, // 2.5074 00110 - { 13, 5 }, // 2.5745 01101 - { 7, 5 }, // 2.5195 00111 - { 11, 5 }, // 2.5502 01011 - { 15, 5 }, // 2.6251 01111 - { 8, 5 }, // 2.5260 01000 - { 4, 5 }, // 2.4418 00100 - { 3, 5 }, // 2.3983 00011 - { 1, 5 }, // 2.3697 00001 - { 63, 6 }, // 2.3041 111111 - { 62, 6 }, // 2.2656 111110 - { 61, 6 }, // 2.2549 111101 - { 53, 6 }, // 2.1151 110101 - { 59, 6 }, // 2.2042 111011 - { 52, 6 }, // 2.0837 110100 - { 48, 6 }, // 1.9446 110000 - { 47, 6 }, // 1.9189 101111 - { 43, 6 }, // 1.7177 101011 - { 42, 6 }, // 1.7035 101010 - { 39, 6 }, // 1.5287 100111 - { 36, 6 }, // 1.4559 100100 - { 33, 6 }, // 1.4117 100001 - { 28, 6 }, // 1.2776 011100 - { 117, 7 }, // 1.1107 1110101 - { 101, 7 }, // 1.0636 1100101 - { 100, 7 }, // 0.9751 1100100 - { 80, 7 }, // 0.8132 1010000 - { 69, 7 }, // 0.7091 1000101 - { 68, 7 }, // 0.7084 1000100 - { 50, 7 }, // 0.6277 0110010 - { 232, 8 }, // 0.5386 11101000 - { 180, 8 }, // 0.4408 10110100 - { 152, 8 }, // 0.3759 10011000 - { 102, 8 }, // 0.3160 01100110 -}, { - { 14244, 14 }, // 0.0059 11011110100100 - { 14253, 14 }, // 0.0098 11011110101101 - { 14246, 14 }, // 0.0078 11011110100110 - { 14254, 14 }, // 0.0111 11011110101110 - { 3562, 12 }, // 0.0320 110111101010 - { 752, 10 }, // 0.0920 1011110000 - { 753, 10 }, // 0.1057 1011110001 - { 160, 9 }, // 0.1403 010100000 - { 162, 9 }, // 0.1579 010100010 - { 444, 9 }, // 0.2486 110111100 - { 122, 8 }, // 0.3772 01111010 - { 223, 8 }, // 0.5710 11011111 - { 60, 7 }, // 0.6858 0111100 - { 73, 7 }, // 0.8033 1001001 - { 110, 7 }, // 0.9827 1101110 - { 14, 6 }, // 1.2601 001110 - { 24, 6 }, // 1.3194 011000 - { 25, 6 }, // 1.3938 011001 - { 34, 6 }, // 1.5693 100010 - { 37, 6 }, // 1.7846 100101 - { 54, 6 }, // 2.0078 110110 - { 3, 5 }, // 2.2975 00011 - { 9, 5 }, // 2.5631 01001 - { 11, 5 }, // 2.7021 01011 - { 16, 5 }, // 3.1465 10000 - { 19, 5 }, // 3.4244 10011 - { 21, 5 }, // 3.5921 10101 - { 24, 5 }, // 3.7938 11000 - { 26, 5 }, // 3.9595 11010 - { 29, 5 }, // 4.1546 11101 - { 31, 5 }, // 4.2623 11111 - { 2, 4 }, // 4.5180 0010 - { 0, 4 }, // 4.3151 0000 - { 30, 5 }, // 4.2538 11110 - { 28, 5 }, // 4.1422 11100 - { 25, 5 }, // 3.9145 11001 - { 22, 5 }, // 3.6691 10110 - { 20, 5 }, // 3.4955 10100 - { 14, 5 }, // 2.9155 01110 - { 13, 5 }, // 2.7921 01101 - { 8, 5 }, // 2.5553 01000 - { 6, 5 }, // 2.3093 00110 - { 2, 5 }, // 2.1200 00010 - { 46, 6 }, // 1.8134 101110 - { 35, 6 }, // 1.5824 100011 - { 31, 6 }, // 1.4701 011111 - { 21, 6 }, // 1.3187 010101 - { 15, 6 }, // 1.2776 001111 - { 95, 7 }, // 0.9664 1011111 - { 72, 7 }, // 0.7922 1001000 - { 41, 7 }, // 0.6838 0101001 - { 189, 8 }, // 0.5024 10111101 - { 123, 8 }, // 0.3830 01111011 - { 377, 9 }, // 0.2232 101111001 - { 161, 9 }, // 0.1566 010100001 - { 891, 10 }, // 0.1383 1101111011 - { 327, 10 }, // 0.0900 0101000111 - { 326, 10 }, // 0.0790 0101000110 - { 3560, 12 }, // 0.0254 110111101000 - { 14255, 14 }, // 0.0117 11011110101111 - { 14247, 14 }, // 0.0085 11011110100111 - { 14252, 14 }, // 0.0085 11011110101100 - { 14245, 14 }, // 0.0065 11011110100101 -} }; - -#ifdef USE_SV8 -static const HuffSrc_t HuffN8_src [2] [127] = { { - { 2426, 13 }, { 4943, 13 }, { 787, 12 }, { 2470, 12 }, { 7270, 13 }, { 1764, 12 }, - { 3632, 12 }, { 3633, 12 }, { 2486, 12 }, { 395, 11 }, { 607, 11 }, { 1242, 11 }, - { 108, 10 }, { 300, 10 }, { 199, 10 }, { 440, 10 }, { 442, 10 }, { 616, 10 }, - { 909, 10 }, { 897, 10 }, { 178, 9 }, { 309, 9 }, { 311, 9 }, { 451, 9 }, - { 449, 9 }, { 26, 8 }, { 74, 8 }, { 94, 8 }, { 122, 8 }, { 136, 8 }, - { 12, 7 }, { 29, 7 }, { 28, 7 }, { 36, 7 }, { 39, 7 }, { 46, 7 }, - { 60, 7 }, { 69, 7 }, { 76, 7 }, { 92, 7 }, { 126, 7 }, { 11, 6 }, - { 15, 6 }, { 10, 6 }, { 16, 6 }, { 21, 6 }, { 25, 6 }, { 28, 6 }, - { 32, 6 }, { 31, 6 }, { 37, 6 }, { 47, 6 }, { 43, 6 }, { 35, 6 }, - { 45, 6 }, { 48, 6 }, { 52, 6 }, { 53, 6 }, { 54, 6 }, { 62, 6 }, - { 59, 6 }, { 0, 5 }, { 61, 6 }, { 51, 6 }, { 2, 5 }, { 1, 5 }, - { 60, 6 }, { 57, 6 }, { 58, 6 }, { 55, 6 }, { 50, 6 }, { 49, 6 }, - { 42, 6 }, { 40, 6 }, { 44, 6 }, { 41, 6 }, { 39, 6 }, { 33, 6 }, - { 29, 6 }, { 26, 6 }, { 24, 6 }, { 20, 6 }, { 17, 6 }, { 13, 6 }, - { 8, 6 }, { 9, 6 }, { 127, 7 }, { 93, 7 }, { 73, 7 }, { 72, 7 }, - { 54, 7 }, { 38, 7 }, { 45, 7 }, { 14, 7 }, { 25, 7 }, { 15, 7 }, - { 226, 8 }, { 137, 8 }, { 111, 8 }, { 95, 8 }, { 88, 8 }, { 48, 8 }, - { 455, 9 }, { 450, 9 }, { 246, 9 }, { 247, 9 }, { 179, 9 }, { 55, 9 }, - { 896, 10 }, { 620, 10 }, { 443, 10 }, { 302, 10 }, { 301, 10 }, { 198, 10 }, - { 109, 10 }, { 1234, 11 }, { 883, 11 }, { 392, 11 }, { 394, 11 }, { 3634, 12 }, - { 2487, 12 }, { 786, 12 }, { 1765, 12 }, { 1212, 12 }, { 7271, 13 }, { 2427, 13 }, - { 4942, 13 } -}, { - { 3728, 12 }, { 4005, 12 }, { 264, 11 }, { 4004, 12 }, { 4044, 12 }, { 4045, 12 }, - { 4046, 12 }, { 1424, 11 }, { 449, 11 }, { 448, 11 }, { 139, 10 }, { 231, 10 }, - { 133, 10 }, { 719, 10 }, { 641, 10 }, { 676, 10 }, { 225, 10 }, { 677, 10 }, - { 620, 10 }, { 72, 9 }, { 23, 9 }, { 67, 9 }, { 75, 9 }, { 113, 9 }, - { 311, 9 }, { 68, 9 }, { 316, 9 }, { 467, 9 }, { 10, 8 }, { 468, 9 }, - { 35, 8 }, { 27, 8 }, { 358, 9 }, { 32, 8 }, { 26, 8 }, { 501, 9 }, - { 44, 8 }, { 45, 8 }, { 142, 8 }, { 173, 8 }, { 161, 8 }, { 188, 8 }, - { 189, 8 }, { 190, 8 }, { 191, 8 }, { 254, 8 }, { 251, 8 }, { 255, 8 }, - { 19, 7 }, { 26, 7 }, { 70, 7 }, { 76, 7 }, { 87, 7 }, { 85, 7 }, - { 124, 7 }, { 7, 6 }, { 15, 6 }, { 41, 6 }, { 46, 6 }, { 2, 5 }, - { 16, 5 }, { 28, 5 }, { 12, 4 }, { 1, 2 }, { 13, 4 }, { 30, 5 }, - { 18, 5 }, { 0, 5 }, { 45, 6 }, { 34, 6 }, { 12, 6 }, { 3, 6 }, - { 118, 7 }, { 88, 7 }, { 81, 7 }, { 29, 7 }, { 78, 7 }, { 23, 7 }, - { 27, 7 }, { 253, 8 }, { 12, 7 }, { 232, 8 }, { 235, 8 }, { 159, 8 }, - { 238, 8 }, { 172, 8 }, { 168, 8 }, { 143, 8 }, { 154, 8 }, { 40, 8 }, - { 8, 8 }, { 478, 9 }, { 9, 8 }, { 479, 9 }, { 469, 9 }, { 42, 8 }, - { 43, 8 }, { 504, 9 }, { 357, 9 }, { 321, 9 }, { 339, 9 }, { 317, 9 }, - { 114, 9 }, { 82, 9 }, { 83, 9 }, { 73, 9 }, { 74, 9 }, { 1000, 10 }, - { 933, 10 }, { 621, 10 }, { 718, 10 }, { 2003, 11 }, { 713, 10 }, { 2020, 11 }, - { 230, 10 }, { 1865, 11 }, { 44, 10 }, { 138, 10 }, { 1280, 11 }, { 2021, 11 }, - { 3729, 12 }, { 4047, 12 }, { 90, 11 }, { 265, 11 }, { 1281, 11 }, { 1425, 11 }, - { 91, 11 } -} }; -#endif - -#define MAKE(d,s) Make_HuffTable ( (d), (s), sizeof(s)/sizeof(*(s)) ) -#define SORT(x,o) Resort_HuffTable ( (x), sizeof(x)/sizeof(*(x)), -(Int)(o) ) -#define LOOKUP(x,q) Make_LookupTable ( (q), sizeof(q), (x), sizeof(x)/sizeof(*(x)) ) - - -void -Init_Huffman_Encoder_SV7 ( void ) -{ - // Splitting of the 36 Samples - MAKE ( HuffSCFI, HuffSCFI_src ); - - // Differential Scalefactors - MAKE ( HuffDSCF, HuffDSCF_src ); - - // resolution, differential quantizer indizes - MAKE ( HuffHdr, HuffHdr_src ); - - // 3-step quantizer, 3 bundled samples - MAKE ( HuffQ1[0], HuffQ1_src[0] ); // less shaped, book 0 - MAKE ( HuffQ1[1], HuffQ1_src[1] ); // more shaped, book 1 - - // 5-step quantizer, 2 bundled samples - MAKE ( HuffQ2[0], HuffQ2_src[0] ); // less shaped, book 0 - MAKE ( HuffQ2[1], HuffQ2_src[1] ); // more shaped, book 1 - - // 7-step quantizer, single samples - MAKE ( HuffQ3[0], HuffQ3_src[0] ); // less shaped, book 0 - MAKE ( HuffQ3[1], HuffQ3_src[1] ); // more shaped, book 1 - -#ifdef USE_SV8 - // 7-step quantizer, 2 bundled samples - MAKE ( HuffN3[0], HuffN3_src[0] ); // less shaped, book 0 - MAKE ( HuffN3[1], HuffN3_src[1] ); // more shaped, book 1 -#endif - - // 9-step quantizer, single samples - MAKE ( HuffQ4[0], HuffQ4_src[0] ); // less shaped, book 0 - MAKE ( HuffQ4[1], HuffQ4_src[1] ); // more shaped, book 1 - - // 15-step quantizer, single samples - MAKE ( HuffQ5[0], HuffQ5_src[0] ); // less shaped, book 0 - MAKE ( HuffQ5[1], HuffQ5_src[1] ); // more shaped, book 1 - - // 31-step quantizer, single samples - MAKE ( HuffQ6[0], HuffQ6_src[0] ); // less shaped, book 0 - MAKE ( HuffQ6[1], HuffQ6_src[1] ); // more shaped, book 1 - - // 63-step quantizer, single samples - MAKE ( HuffQ7[0], HuffQ7_src[0] ); // less shaped, book 0 - MAKE ( HuffQ7[1], HuffQ7_src[1] ); // more shaped, book 1 - -#ifdef USE_SV8 - // 127-step quantizer, single samples - MAKE ( HuffN8[0], HuffN8_src[0] ); // book 0 - MAKE ( HuffN8[1], HuffN8_src[1] ); // book 1 -#endif -} - -#ifndef MPP_ENCODER - -void -Init_Huffman_Decoder_SV7 ( void ) -{ - Init_Huffman_Encoder_SV7 (); - - SORT ( HuffHdr , 5 ); - SORT ( HuffSCFI , 0 ); - SORT ( HuffDSCF , 7 ); - SORT ( HuffQ1[0], 0 ); - SORT ( HuffQ1[1], 0 ); - SORT ( HuffQ2[0], 0 ); - SORT ( HuffQ2[1], 0 ); -#ifdef USE_SV8 - SORT ( HuffN3[0], 0 ); - SORT ( HuffN3[1], 0 ); -#endif - SORT ( HuffQ3[0], Dc[3] ); - SORT ( HuffQ3[1], Dc[3] ); - SORT ( HuffQ4[0], Dc[4] ); - SORT ( HuffQ4[1], Dc[4] ); - SORT ( HuffQ5[0], Dc[5] ); - SORT ( HuffQ5[1], Dc[5] ); - SORT ( HuffQ6[0], Dc[6] ); - SORT ( HuffQ6[1], Dc[6] ); - SORT ( HuffQ7[0], Dc[7] ); - SORT ( HuffQ7[1], Dc[7] ); -#ifdef USE_SV8 - SORT ( HuffN8[0], Dc[8] ); - SORT ( HuffN8[1], Dc[8] ); -#endif - - LOOKUP ( HuffQ1[0], LUT1_0 ); - LOOKUP ( HuffQ1[1], LUT1_1 ); - LOOKUP ( HuffQ2[0], LUT2_0 ); - LOOKUP ( HuffQ2[1], LUT2_1 ); - LOOKUP ( HuffQ3[0], LUT3_0 ); - LOOKUP ( HuffQ3[1], LUT3_1 ); - LOOKUP ( HuffQ4[0], LUT4_0 ); - LOOKUP ( HuffQ4[1], LUT4_1 ); - LOOKUP ( HuffQ5[0], LUT5_0 ); - LOOKUP ( HuffQ5[1], LUT5_1 ); - LOOKUP ( HuffQ6[0], LUT6_0 ); - LOOKUP ( HuffQ6[1], LUT6_1 ); - LOOKUP ( HuffQ7[0], LUT7_0 ); - LOOKUP ( HuffQ7[1], LUT7_1 ); - LOOKUP ( HuffDSCF , LUTDSCF ); -} - -#endif - -/* end of huffsv7.c */ Index: mppenc/branches/r2d/src/minimax.h =================================================================== --- mppenc/branches/r2d/src/minimax.h (revision 61) +++ (revision ) @@ -1,64 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef MPP_MINIMAX_H -#define MPP_MINIMAX_H - -#if defined __GNUC__ && defined __cplusplus - -# define maxi(A,B) ( (A) >? (B) ) -# define mini(A,B) ( (A) ? (B) ) -# define mind(A,B) ( (A) ? (B) ) -# define minf(A,B) ( (A) (B) ? (A) : (B) ) -# define mini(A,B) ( (A) < (B) ? (A) : (B) ) -# define maxd(A,B) ( (A) > (B) ? (A) : (B) ) -# define mind(A,B) ( (A) < (B) ? (A) : (B) ) -# define maxf(A,B) ( (A) > (B) ? (A) : (B) ) -# define minf(A,B) ( (A) < (B) ? (A) : (B) ) - -# define absi(A) abs (A) -# define absf(A) fabsf (A) -# define absd(A) fabs (A) - -#else - -# define maxi(A,B) ( (A) > (B) ? (A) : (B) ) -# define mini(A,B) ( (A) < (B) ? (A) : (B) ) -# define maxd(A,B) ( (A) > (B) ? (A) : (B) ) -# define mind(A,B) ( (A) < (B) ? (A) : (B) ) -# define maxf(A,B) ( (A) > (B) ? (A) : (B) ) -# define minf(A,B) ( (A) < (B) ? (A) : (B) ) - -# define absi(A) ( (A) >= 0 ? (A) : -(A) ) -# define absf(A) ( (A) >= 0.f ? (A) : -(A) ) -# define absd(A) ( (A) >= 0. ? (A) : -(A) ) - -#endif /* GNUC && C++ */ - -#endif /* MPP_MINIMAX_H */ Index: mppenc/branches/r2d/src/mppdec.h =================================================================== --- mppenc/branches/r2d/src/mppdec.h (revision 61) +++ mppenc/branches/r2d/src/mppdec.h (revision 64) @@ -420,12 +420,4 @@ # define PCLOSE(fp) pclose(fp) #endif - -#if defined _WIN32 -# define STRUCT_STAT struct _stat -# define STAT_CMD(f,s) _stat (f, s) -#else -# define STRUCT_STAT struct stat -# define STAT_CMD(f,s) stat (f, s) -#endif /* WIN32 */ #ifndef S_ISDIR @@ -883,30 +875,4 @@ typedef CPair_t CPairArray [32]; typedef Float SCFTriple [3]; -typedef struct { -#ifndef MPP_ENCODER - Uint32_t Code; // >=32 bit -# ifdef USE_HUFF_PACK - Schar Value; // >= 7 bit - Uchar Length; // >= 4 bit -# else - Int Value; - Uint Length; -# endif -#else -# ifdef USE_HUFF_PACK - Uint8_t Length; // >= 4 bit - Uint8_t ___; - Uint16_t Code; // >= 14 bit -# else - Uint Code; - Uint Length; -# endif -#endif -} Huffman_t ; - -typedef struct { - Uint Code : 16; // >= 14 bit - Uint Length : 8; // >= 4 bit -} HuffSrc_t ; typedef struct { Index: mppenc/branches/r2d/src/mppenc.c =================================================================== --- mppenc/branches/r2d/src/mppenc.c (revision 61) +++ mppenc/branches/r2d/src/mppenc.c (revision 64) @@ -51,5 +51,4 @@ unsigned int NoUnicode = 1; // console is unicode or not (tag translation) UintMax_t SamplesInWAVE = 0; // number of samples per channel in the WAV file -unsigned int Overflows = 0; // number of internal (filterbank) clippings float MaxOverFlow = 0.f; // maximum overflow float ScalingFactorl = 1.f; // Scaling the input signal Index: mppenc/branches/r2d/src/mppenc.h =================================================================== --- mppenc/branches/r2d/src/mppenc.h (revision 61) +++ mppenc/branches/r2d/src/mppenc.h (revision 64) @@ -36,17 +36,8 @@ #define X_MEM 1152 -// bitstream.c -#define BUFFER_ALMOST_FULL 8192 -#define BUFFER_FULL (BUFFER_ALMOST_FULL + 4352) // 34490 bit/frame 1320.3 kbps - // quant.h #define SCFfac 0.832980664785f // = SCF[n-1]/SCF[n] // wave_in.h - -typedef struct { - unsigned int L [36]; - unsigned int R [36]; -} SubbandQuantTyp; typedef struct { @@ -81,11 +72,4 @@ void Init_ANS ( void ); void NS_Analyse ( const int, const unsigned char* MS, const SMRTyp, const int* Transient ); - - -// bitstream.c -typedef struct { - Uint32_t* ptr; - unsigned int bit; -} BitstreamPos; @@ -199,9 +183,5 @@ -// huffsv7.c -extern Huffman_t HuffHdr [10]; // contains tables for SV7-header -extern Huffman_t HuffSCFI [ 4]; // contains tables for SV7-scalefactor select -extern Huffman_t HuffDSCF [16]; // contains tables for SV7-scalefactor coding -extern const Huffman_t* HuffQ [2] [8]; // points to tables for SV7-sample coding + void Huffman_SV7_Encoder ( void ); Index: mppenc/branches/r2d/src/quant.c =================================================================== --- mppenc/branches/r2d/src/quant.c (revision 61) +++ (revision ) @@ -1,319 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "mppenc.h" - -/* V A R I A B L E S */ -float __SCF [128 + 6]; // tabulated scalefactors -float __invSCF [128 + 6]; // inverted scalefactors - - -// Quantization-coefficients: step/65536 bzw. (2*D[Res]+1)/65536 -static const float __A [1 + 18] = { - 0.0000762939453125f, - 0.0000000000000000f, 0.0000457763671875f, 0.0000762939453125f, 0.0001068115234375f, - 0.0001373291015625f, 0.0002288818359375f, 0.0004730224609375f, 0.0009613037109375f, - 0.0019378662109375f, 0.0038909912109375f, 0.0077972412109375f, 0.0156097412109375f, - 0.0312347412109375f, 0.0624847412109375f, 0.1249847412109375f, 0.2499847412109375f, - 0.4999847412109375f -}; - - -// Requantization-coefficients: 65536/step bzw. 1/A[Res] -static const float __C [1 + 18] = { - 13107.200000000001f, - 65535.000000000000f, 21845.333333333332f, 13107.200000000001f, 9362.285714285713f, - 7281.777777777777f, 4369.066666666666f, 2114.064516129032f, 1040.253968253968f, - 516.031496062992f, 257.003921568627f, 128.250489236790f, 64.062561094819f, - 32.015632633121f, 16.003907203907f, 8.000976681723f, 4.000244155527f, - 2.000061037018f, 1.000015259022f -}; - - -// Requantization-Offset: 2*D+1 = steps of quantizer -static const int __D [1 + 18] = { - 2, - 0, 1, 2, 3, 4, 7, 15, 31, 63, - 127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767 -}; - -#define A (__A + 1) -#define C (__C + 1) -#define D (__D + 1) - -// Generation of the scalefactors and their inverses -void -Init_Skalenfaktoren ( void ) -{ - int n; - - for ( n = -6; n < 128; n++ ) { - SCF[n] = (float) ( pow(10.,-0.1*(n-1)/1.26) ); - invSCF[n] = (float) ( pow(10., 0.1*(n-1)/1.26) ); - } -} - -#pragma warning ( disable : 4305 ) - -static float NoiseInjectionCompensation1D [18] = { -#if 1 - 1.f, - 0.884621, - 0.935711, - 0.970829, - 0.987941, - 0.994315, - 0.997826, - 0.999744, - 1., 1., 1., 1., 1., 1., 1., 1., 1., 1. -#else - 1., - 0.907073, // -1...+1 - 0.946334, // -2...+2 - 0.974793, // -3...+3 - 0.987647, // -4...+4 - 0.994330, // -7...+7 - 0.997846, // -15...+15 - 1., // -31...+31 - 1., - 1., - 1., - 1., - 1., - 1., - 1., - 1., - 1., - 1., -#endif -} ; - -#if 0 -static float NoiseInjectionCompensation2D [18] [32] = { - { 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, }, - { 0.931595, 0.891390, 0.852494, 0.872420, 0.904053, 0.933716, 0.958976, 0.977719, 0.993979, 1.009011, 1.020961, 1.029564, 1.026582, 1.026753, 1.035573, 1.053251, 1.073429, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, 1.096344, }, - { 0.878264, 0.882351, 0.904261, 0.930843, 0.949243, 0.966741, 0.980500, 0.988182, 0.993361, 0.997112, 0.998918, 0.999501, 1.003179, 1.007445, 1.008678, 0.995890, 0.991015, 0.988019, 0.985479, 0.987646, 1.003605, 1.029301, 1.040511, 1.061531, 1.083302, 1.083302, 1.083302, 1.083302, 1.083302, 1.083302, 1.083302, 1.083302, }, - { 0.866977, 0.943500, 0.941561, 0.953049, 0.967274, 0.980476, 0.988678, 0.993240, 0.996376, 0.998513, 0.999545, 0.999775, 1.000898, 1.003954, 1.006308, 1.004932, 1.002867, 1.002922, 1.003624, 1.005487, 1.003919, 1.008022, 0.987693, 1.000358, 1.017461, 1.039166, 1.056053, 1.068191, 1.068191, 1.068191, 1.068191, 1.068191, }, - { 0.880390, 0.976713, 0.976180, 0.976596, 0.982011, 0.988786, 0.993619, 0.996641, 0.998824, 1.000297, 1.001195, 1.001718, 1.002395, 1.003503, 1.005617, 1.005072, 1.002409, 1.003703, 1.003412, 1.003318, 1.005290, 1.007112, 1.014370, 1.010040, 1.000780, 1.005700, 1.020505, 1.030123, 1.030123, 1.030123, 1.030123, 1.030123, }, - { 0.916894, 0.987164, 0.988734, 0.992318, 0.995268, 0.996932, 0.998141, 0.999072, 0.999674, 1.000104, 1.000292, 1.000386, 1.000399, 1.000222, 1.000671, 1.002127, 1.000137, 1.000046, 0.999644, 0.999156, 1.000568, 1.000098, 0.993764, 0.993954, 0.998971, 1.002835, 1.002972, 0.995376, 1.001643, 1.001643, 1.001643, 1.001643, }, - { 0.982771, 0.995034, 0.997118, 0.998294, 0.998652, 0.999016, 0.999382, 0.999598, 0.999746, 0.999851, 0.999837, 0.999881, 0.999847, 1.000154, 0.999885, 1.000222, 0.999963, 1.000934, 0.999804, 0.999927, 1.000379, 0.997574, 0.997943, 0.998748, 0.998151, 0.997458, 1.000319, 1.001091, 0.998461, 0.996151, 1.005969, 1.005969, }, - { 0.997150, 0.999903, 0.999424, 0.999537, 0.999661, 0.999753, 0.999851, 0.999903, 0.999928, 0.999963, 0.999969, 0.999941, 0.999974, 0.999967, 0.999996, 0.999975, 0.999966, 0.999704, 0.999946, 0.999894, 0.999905, 1.000840, 1.000716, 1.000799, 1.000406, 0.999912, 1.000153, 0.999789, 1.000495, 1.000495, 1.001167, 1.001347, }, - { 0.995524, 0.999983, 1.000044, 0.999965, 0.999970, 0.999974, 0.999986, 0.999995, 0.999996, 1.000011, 0.999997, 1.000010, 1.000010, 1.000026, 1.000006, 1.000148, 1.000048, 0.999999, 1.000161, 1.000193, 0.999797, 1.000145, 0.999974, 1.000039, 0.999731, 0.999985, 1.000563, 1.000256, 1.000637, 1.000050, 1.002013, 1.001053, }, - { 0.994796, 0.999833, 1.000003, 1.000012, 0.999986, 0.999991, 0.999991, 1.000000, 1.000004, 0.999999, 1.000005, 1.000004, 1.000008, 0.999996, 1.000027, 1.000097, 0.999951, 0.999938, 0.999989, 1.000001, 1.000048, 0.999935, 1.000068, 1.000134, 0.999961, 1.000198, 0.999956, 0.999957, 0.999844, 1.000087, 0.999708, 1.000198, }, - { 0.996046, 0.999902, 1.000019, 1.000017, 0.999983, 0.999997, 1.000002, 0.999993, 0.999999, 1.000003, 1.000001, 1.000015, 1.000004, 1.000006, 0.999987, 0.999993, 0.999992, 1.000029, 1.000064, 0.999997, 1.000044, 1.000044, 0.999919, 0.999875, 1.000011, 0.999897, 0.999905, 0.999996, 0.999934, 0.999968, 1.000008, 0.999902, }, - { 0.998703, 0.999963, 1.000021, 1.000006, 1.000008, 1.000000, 1.000003, 0.999994, 0.999990, 0.999990, 1.000003, 1.000009, 1.000001, 0.999999, 1.000001, 1.000009, 0.999999, 0.999988, 1.000003, 0.999971, 1.000005, 1.000042, 0.999924, 0.999995, 0.999998, 0.999988, 0.999961, 0.999942, 1.000046, 1.000061, 1.000112, 1.000052, }, - { 0.999872, 1.000001, 1.000004, 0.999998, 0.999999, 0.999998, 0.999992, 0.999990, 0.999991, 1.000000, 1.000000, 1.000000, 1.000002, 0.999996, 1.000004, 1.000011, 0.999963, 1.000016, 1.000050, 0.999996, 0.999998, 1.000006, 0.999990, 0.999948, 0.999974, 1.000060, 1.000014, 0.999987, 0.999986, 0.999917, 0.999973, 1.000035, }, - { 1.000366, 1.000006, 0.999996, 0.999995, 0.999998, 0.999996, 0.999991, 1.000001, 0.999990, 0.999996, 1.000010, 0.999999, 1.000002, 1.000000, 0.999996, 0.999990, 1.000014, 0.999978, 1.000011, 0.999983, 0.999988, 0.999971, 0.999997, 0.999989, 0.999986, 0.999958, 1.000005, 0.999992, 0.999975, 0.999975, 0.999975, 0.999975, }, - { 0.999736, 0.999995, 1.000002, 1.000004, 0.999999, 1.000000, 1.000003, 1.000000, 1.000007, 0.999992, 0.999997, 0.999998, 0.999998, 0.999997, 1.000007, 1.000012, 1.000004, 0.999995, 0.999996, 1.000009, 1.000003, 1.000008, 1.000001, 1.000003, 1.000011, 1.000019, 0.999991, 0.999970, 0.999970, 0.999970, 0.999970, 0.999965, }, - { 0.999970, 1.000000, 1.000000, 1.000000, 1.000001, 1.000000, 1.000000, 0.999999, 1.000001, 1.000000, 0.999999, 0.999999, 0.999999, 1.000007, 1.000005, 1.000002, 0.999999, 0.999999, 1.000000, 0.999997, 0.999999, 1.000001, 1.000001, 0.999988, 0.999988, 0.999984, 0.999995, 0.999986, 0.999986, 0.999986, 0.999986, 0.999986, }, - { 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, }, - { 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, }, -}; -#endif - -#pragma warning ( default : 4305 ) - - -void -NoiseInjectionComp ( void ) -{ - int i; - - for ( i = 0; i < sizeof(NoiseInjectionCompensation1D)/sizeof(*NoiseInjectionCompensation1D); i++ ) - NoiseInjectionCompensation1D [i] = 1.f; -#if 0 - for ( i = 0; i < sizeof(NoiseInjectionCompensation2D)/sizeof(**NoiseInjectionCompensation2D); i++ ) - NoiseInjectionCompensation2D [0][i] = 1.f; -#endif -} - - -// Quantizes a subband and calculates iSNR -float -ISNR_Schaetzer ( const float* input, const float SNRcomp, const int res ) -{ - int k; - float fac = A [res]; - float invfac = C [res]; - float Signal = 1.e-30f; - float Fehler = 1.e-30f; - float tmp ; - float tmp2; - float tmp3; - - // Summation of the absolute power and the quadratic error - for ( k = 0; k < 36; k++ ) { - tmp2 = input[k] * NoiseInjectionCompensation1D [res]; - // q = ftol(in), correct rounding - tmp = tmp2 * fac + 0xFF8000; - tmp3 = (*(int*) & tmp - 0x4B7F8000) * invfac; - tmp = tmp3 - tmp2; - - Fehler += tmp * tmp; - Signal += tmp2 * tmp2; - } - - // Utilization of SNRcomp only if SNR > 1 !!! - return Signal > Fehler ? Fehler / (SNRcomp * Signal) : Fehler / Signal; -} - - -float -ISNR_Schaetzer_Trans ( const float* input, const float SNRcomp, const int res ) -{ - int k; - float fac = A [res]; - float invfac = C [res]; - float Signal; - float Fehler; - float ret ; - float tmp ; - float tmp2; - float tmp3; - - // Summation of the absolute power and the quadratic error - k = 0; - Signal = Fehler = 1.e-30f; - for ( ; k < 12; k++ ) { - tmp2 = input[k] * NoiseInjectionCompensation1D [res]; - // q = ftol(in), correct rounding - tmp = tmp2 * fac + 0xFF8000; - tmp3 = (*(int*) & tmp - 0x4B7F8000) * invfac; - tmp = tmp3 - tmp2; - - Fehler += tmp * tmp; - Signal += tmp2 * tmp2; - } - tmp = Signal > Fehler ? Fehler / (SNRcomp * Signal) : Fehler / Signal; - ret = tmp; - Signal = Fehler = 1.e-30f; - for ( ; k < 24; k++ ) { - tmp2 = input[k] * NoiseInjectionCompensation1D [res]; - // q = ftol(in), correct rounding - tmp = tmp2 * fac + 0xFF8000; - tmp3 = (*(int*) & tmp - 0x4B7F8000) * invfac; - tmp = tmp3 - tmp2; - - Fehler += tmp * tmp; - Signal += tmp2 * tmp2; - } - tmp = Signal > Fehler ? Fehler / (SNRcomp * Signal) : Fehler / Signal; - if ( tmp > ret ) ret = tmp; - //ret += tmp; - Signal = Fehler = 1.e-30f; - for ( ; k < 36; k++ ) { - tmp2 = input[k] * NoiseInjectionCompensation1D [res]; - // q = ftol(in), correct rounding - tmp = tmp2 * fac + 0xFF8000; - tmp3 = (*(int*) & tmp - 0x4B7F8000) * invfac; - tmp = tmp3 - tmp2; - - Fehler += tmp * tmp; - Signal += tmp2 * tmp2; - } - tmp = Signal > Fehler ? Fehler / (SNRcomp * Signal) : Fehler / Signal; - if ( tmp > ret ) ret = tmp; - //ret += tmp; - //ret *= 0.33333333333f; - - return ret; -} - - -// Linear quantizer for a subband -void -QuantizeSubband ( unsigned int* qu_output, const float* input, const int res, float* errors ) -{ - int n; - int offset = D [res]; - float mult = A [res] * NoiseInjectionCompensation1D [res]; - float invmult = C [res]; - float tmp; - int quant; - float signal; - - for ( n = 0; n < 36 - MAX_NS_ORDER; n++, input++, qu_output++ ) { - // q = ftol(in), correct rounding - tmp = *input * mult + 0xFF8000; - quant = (unsigned int)(*(int*) & tmp - 0x4B7F8000 + offset); - - // limitation to 0...2D - if ((unsigned int)quant > (unsigned int)2*offset ) { - quant = mini ( quant, 2*offset ); - quant = maxi ( quant, 0 ); - } - *qu_output = quant; - } - - for ( ; n < 36; n++, input++, qu_output++ ) { - // q = ftol(in), correct rounding - signal = *input * mult; - tmp = signal + 0xFF8000; - quant = (unsigned int)(*(int*) & tmp - 0x4B7F8000 + offset); - - // calculate the current error and save it for error refeeding - errors [n + 6] = invmult * (quant - offset) - signal * NoiseInjectionCompensation1D [res]; - - // limitation to 0...2D - if ((unsigned int)quant > (unsigned int)2*offset ) { - quant = mini ( quant, 2*offset ); - quant = maxi ( quant, 0 ); - } - *qu_output = quant; - } -} - - -// NoiseShaper for a subband -void -QuantizeSubbandWithNoiseShaping ( unsigned int* qu_output, const float* input, const int res, float* errors, const float* FIR ) -{ -#define E(x) *((int*)errors+(x)) - - float signal; - float tmp; - float mult = A [res]; - float invmult = C [res]; - int offset = D [res]; - int n; - int quant; - - E(0) = E(1) = E(2) = E(3) = E(4) = E(5) = 0; // arghh, it produces pops on each frame boundary! - - for ( n = 0; n < 36; n++, input++, qu_output++ ) { - signal = *input * NoiseInjectionCompensation1D [res] - (FIR[5]*errors[n+0] + FIR[4]*errors[n+1] + FIR[3]*errors[n+2] + FIR[2]*errors[n+3] + FIR[1]*errors[n+4] + FIR[0]*errors[n+5]); - - // quant = ftol(signal), correct rounding - tmp = signal * mult + 0xFF8000; - quant = *(int*) & tmp - 0x4B7F8000; - - // calculate the current error and save it for error refeeding - errors [n + 6] = invmult * quant - signal * NoiseInjectionCompensation1D [res]; - - // limitation to +/-D - quant = minf ( quant, +offset ); - quant = maxf ( quant, -offset ); - - *qu_output = (unsigned int)(quant + offset); - } -} - -/* end of quant.c */ - -// pfk@schnecke.offl.uni-jena.de@EMAIL, Andree.Buschmann@web.de@EMAIL, BuschmannA@becker.de@EMAIL, miyaguch@eskimo.com@EMAIL, r3mix@irc.openprojects.net@EMAIL, dibrom@users.sourceforge.net@EMAIL, m.p.bakker-10@student.utwente.nl@EMAIL, djmrob@essex.ac.uk@EMAIL, dim@psytel-research.co.yu@EMAIL, lerch@zplane.de@EMAIL, takehiro@users.sourceforge.net@EMAIL, aleidinger@users.sourceforge.net@EMAIL, Robert.Hegemann@gmx.de@EMAIL, bouvigne@mp3-tech.org@EMAIL, monty@xiph.org@EMAIL, Pumpkinz99@aol.com@EMAIL, spase@outerspase.net@EMAIL, mt@wildpuppy.com@EMAIL, juha.laaksonheimo@tut.fi@EMAIL, speek@myrealbox.com@EMAIL, w.speek@12move.nl@EMAIL, martin@spueler.de@EMAIL, nicolaus.berglmeir@t-online.de@EMAIL, thomas.a.juerges@ruhr-uni-bochum.de@EMAIL, HelH@mpex.net@EMAIL, garf@roadum.demon.co.uk@EMAIL, gcp@sjeng.org@EMAIL, mike@naivesoftware.com@EMAIL, case@mobiili.net@EMAIL, steve.lhomme@free.fr@EMAIL, walter@binity.com@EMAIL Index: mppenc/branches/r2d/src/tools.c =================================================================== --- mppenc/branches/r2d/src/tools.c (revision 61) +++ (revision ) @@ -1,586 +1,0 @@ -/* - * Musepack audio compression - * Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * A list of different mixed tools - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * Read_LittleEndians() - * Portable file handling - * Requantize_MidSideStereo(), Requantize_IntensityStereo() - * Requantisation of quantized samples for synthesis filter - * Resort_HuffTable(), Make_HuffTable(), Make_LookupTable() - * Generating and sorting Huffman tables, making fast lookup tables - */ - -#include -#include -#include "mppdec.h" - - -#if defined HAVE_INCOMPLETE_READ && FILEIO != 1 - -size_t -complete_read ( int fd, void* dest, size_t bytes ) -{ - size_t bytesread = 0; - size_t ret; - - while ( bytes > 0 ) { -#if defined _WIN32 && defined USE_HTTP && !defined MPP_ENCODER - ret = fd & 0x4000 ? recv ( fd & 0x3FFF, dest, bytes, 0) : read ( fd, dest, bytes ); -#else - ret = read ( fd, dest, bytes ); -#endif - if ( ret == 0 || ret == (size_t)-1 ) - break; - dest = (void*)(((char*)dest) + ret); - bytes -= ret; - bytesread += ret; - } - return bytesread; -} - -#endif - - -int -isdir ( const char* Name ) -{ -#if FILEIO == 1 - return 1; -#else - STRUCT_STAT st; - - if ( STAT_CMD ( Name, &st ) != 0 ) - return 0; - return S_ISDIR ( st.st_mode ); -#endif -} - - -/* - * Change_Endian32() changes the endianess of a 32-bit memory block in-place - * by swapping the byte order. This is a little bit tricky, but a well - * known method which is much much faster than byte picking, especially on modern CPUs, - * because it avoids memory aliasing. Note that this method - * is poison for old 16-bit compilers! - */ - -#if ENDIAN == HAVE_BIG_ENDIAN - -static void -Change_Endian32 ( Uint32_t* dst, size_t words32bit ) -{ - - for ( ; words32bit--; dst++ ) { -# if INT_MAX >= 2147483647L - Uint32_t tmp = *dst; - tmp = ((tmp << 0x10) & 0xFFFF0000) | ((tmp >> 0x10) & 0x0000FFFF); - tmp = ((tmp << 0x08) & 0xFF00FF00) | ((tmp >> 0x08) & 0x00FF00FF); - *dst = tmp; -# else - Uint8_t tmp; - tmp = ((Uint8_t*)dst)[0]; - ((Uint8_t*)dst)[0] = ((Uint8_t*)dst)[3]; - ((Uint8_t*)dst)[3] = tmp; - tmp = ((Uint8_t*)dst)[1]; - ((Uint8_t*)dst)[1] = ((Uint8_t*)dst)[2]; - ((Uint8_t*)dst)[2] = tmp; -# endif - } - return; -} - -#endif /* ENDIAN == HAVE_BIG_ENDIAN */ - - -/* - * Read_LittleEndians() reads little endian 32-bit ints from the stream - * 'fp'. Quantities are selected in 32-bit items. On big endian machines - * the byte order is changed in-place after reading the data, so all is - * okay. - */ - -size_t -Read_LittleEndians ( FILE_T fp, Uint32_t* dst, size_t words32bit ) -{ - size_t wordsread; - wordsread = READ ( fp, dst, words32bit * sizeof(*dst) ) / sizeof(*dst); - -#if ENDIAN == HAVE_BIG_ENDIAN - Change_Endian32 ( dst, wordsread ); -#endif - - return wordsread; -} - -#ifndef MPP_ENCODER - -/* - * This is the main requantisation routine which does the following things: - * - * - rescaling the quantized values (int) to their original value (float) - * - recalculating both stereo channels for MS stereo - * - * See also: Requantize_IntensityStereo() - * - * For performance reasons all cases are programmed separately and the code - * is unrolled. - * - * Input is: - * - Stop_Band: - * the last band using MS or LR stereo - * - used_MS[Band]: - * MS or LR stereo flag for every band (0...Stop_Band), Value is 1 - * for MS and 0 for LR stereo. - * - Res[Band].{L,R}: - * Quantisation resolution for every band (0...Stop_Band) and - * channels (L, R). Value is 0...17. - * - SCF_Index[3][Band].{L,R}: - * Scale factor for every band (0...Stop_Band), subframe (0...2) - * and channel (L, R). - * - Q[Band].{L,R}[36] - * 36 subband samples for every band (0...Stop_Band) and channel (L, R). - * - SCF[64], Cc[18], Dc[18]: - * Lookup tables for Scale factor and Quantisation resolution. - * - * Output is: - * - Y_L: Left channel subband signals - * - Y_R: Right channel subband signals - * - * These signals are used for the synthesis filter in the synth*.[ch] - * files to generate the PCM output signal. - */ - -static const float ISMatrix [32] [2] = { - { 1.00000000f, 0.00000000f }, - { 0.98078528f, 0.19509032f }, - { 0.92387953f, 0.38268343f }, - { 0.83146961f, 0.55557023f }, - { 0.70710678f, 0.70710678f }, - { 0.55557023f, 0.83146961f }, - { 0.38268343f, 0.92387953f }, - { 0.19509032f, 0.98078528f }, - { 0.00000000f, 1.00000000f }, - { -0.19509032f, 0.98078528f }, - { -0.38268343f, 0.92387953f }, - { -0.55557023f, 0.83146961f }, - { -0.70710678f, 0.70710678f }, - { -0.83146961f, 0.55557023f }, - { -0.92387953f, 0.38268343f }, - { -0.98078528f, 0.19509032f }, - { -1.00000000f, 0.00000000f }, - { -0.98078528f, -0.19509032f }, - { -0.92387953f, -0.38268343f }, - { -0.83146961f, -0.55557023f }, - { -0.70710678f, -0.70710678f }, - { -0.55557023f, -0.83146961f }, - { -0.38268343f, -0.92387953f }, - { -0.19509032f, -0.98078528f }, - { -0.00000000f, -1.00000000f }, - { 0.19509032f, -0.98078528f }, - { 0.38268343f, -0.92387953f }, - { 0.55557023f, -0.83146961f }, - { 0.70710678f, -0.70710678f }, - { 0.83146961f, -0.55557023f }, - { 0.92387953f, -0.38268343f }, - { 0.98078528f, -0.19509032f }, -}; - - -void -Requantize_MidSideStereo ( Int Stop_Band, const Bool_t* used_MS ) -{ - Int Band; // 0...Stop_Band - Uint k; // 0...35 - Float ML; - Float MR; - Float mid; - Float side; - - for ( Band = 0; Band <= Stop_Band; Band++ ) { - - if ( used_MS[Band] ) // MidSide coded: left channel contains Mid signal, right channel Side signal - if ( Res[Band].R < -1 ) { - k = 0; - ML = SCF[SCF_Index[0][Band].L] * Cc[Res[Band].L]; - do { - mid = Q[Band].L[k] * ML; - Y_L[k][Band] = mid * ISMatrix [used_MS[Band]][0]; - Y_R[k][Band] = mid * ISMatrix [used_MS[Band]][1]; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].L] * Cc[Res[Band].L]; - do { - mid = Q[Band].L[k] * ML; - Y_L[k][Band] = mid * ISMatrix [used_MS[Band]][0]; - Y_R[k][Band] = mid * ISMatrix [used_MS[Band]][1]; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].L] * Cc[Res[Band].L]; - do { - mid = Q[Band].L[k] * ML; - Y_L[k][Band] = mid * ISMatrix [used_MS[Band]][0]; - Y_R[k][Band] = mid * ISMatrix [used_MS[Band]][1]; - } while (++k < 36); - } - else if ( Res[Band].L < -1 ) { - k = 0; - ML = SCF[SCF_Index[0][Band].R] * Cc[Res[Band].R]; - do { - mid = Q[Band].R[k] * ML; - Y_R[k][Band] = mid * ISMatrix [used_MS[Band]][0]; - Y_L[k][Band] = mid * ISMatrix [used_MS[Band]][1]; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].R] * Cc[Res[Band].R]; - do { - mid = Q[Band].R[k] * ML; - Y_R[k][Band] = mid * ISMatrix [used_MS[Band]][0]; - Y_L[k][Band] = mid * ISMatrix [used_MS[Band]][1]; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].R] * Cc[Res[Band].R]; - do { - mid = Q[Band].R[k] * ML; - Y_R[k][Band] = mid * ISMatrix [used_MS[Band]][0]; - Y_L[k][Band] = mid * ISMatrix [used_MS[Band]][1]; - } while (++k < 36); - } - else if ( Res[Band].L ) - if ( Res[Band].R ) { // M!=0, S!=0 - k = 0; - ML = SCF[SCF_Index[0][Band].L] * Cc[Res[Band].L]; - MR = SCF[SCF_Index[0][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = (mid = Q[Band].L[k] * ML) - (side = Q[Band].R[k] * MR); - Y_L[k][Band] = mid + side; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].L] * Cc[Res[Band].L]; - MR = SCF[SCF_Index[1][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = (mid = Q[Band].L[k] * ML) - (side = Q[Band].R[k] * MR); - Y_L[k][Band] = mid + side; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].L] * Cc[Res[Band].L]; - MR = SCF[SCF_Index[2][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = (mid = Q[Band].L[k] * ML) - (side = Q[Band].R[k] * MR); - Y_L[k][Band] = mid + side; - } while (++k < 36); - } else { // M!=0, S=0 - k = 0; - ML = SCF[SCF_Index[0][Band].L] * Cc[Res[Band].L]; - do { - Y_R[k][Band] = - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].L] * Cc[Res[Band].L]; - do { - Y_R[k][Band] = - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].L] * Cc[Res[Band].L]; - do { - Y_R[k][Band] = - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 36); - } - else - if ( Res[Band].R ) { // M==0, S!=0 - k = 0; - ML = SCF[SCF_Index[0][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = - ( - Y_L[k][Band] = Q[Band].R[k] * ML ); - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = - ( - Y_L[k][Band] = Q[Band].R[k] * ML ); - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = - ( - Y_L[k][Band] = Q[Band].R[k] * ML ); - } while (++k < 36); - } else { // M==0, S==0 - for (k=0; k<36; k++) { - Y_R[k][Band] = - Y_L[k][Band] = 0.f; - } - } - - else // Left/Right coded: left channel contains left, right the right signal - - if ( Res[Band].L ) - if ( Res[Band].R ) { // L!=0, R!=0 - k = 0; - ML = SCF[SCF_Index[0][Band].L] * Cc[Res[Band].L]; - MR = SCF[SCF_Index[0][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = Q[Band].R[k] * MR; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].L] * Cc[Res[Band].L]; - MR = SCF[SCF_Index[1][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = Q[Band].R[k] * MR; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].L] * Cc[Res[Band].L]; - MR = SCF[SCF_Index[2][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = Q[Band].R[k] * MR; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 36); - } else { // L!=0, R==0 - k = 0; - ML = SCF[SCF_Index[0][Band].L] * Cc[Res[Band].L]; - do { - Y_R[k][Band] = 0.f; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].L] * Cc[Res[Band].L]; - do { - Y_R[k][Band] = 0.f; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].L] * Cc[Res[Band].L]; - do { - Y_R[k][Band] = 0.f; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 36); - } - else - if ( Res[Band].R ) { // L==0, R!=0 - k = 0; - MR = SCF[SCF_Index[0][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = Q[Band].R[k] * MR; - Y_L[k][Band] = 0.f; - } while (++k < 12); - MR = SCF[SCF_Index[1][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = Q[Band].R[k] * MR; - Y_L[k][Band] = 0.f; - } while (++k < 24); - MR = SCF[SCF_Index[2][Band].R] * Cc[Res[Band].R]; - do { - Y_R[k][Band] = Q[Band].R[k] * MR; - Y_L[k][Band] = 0.f; - } while (++k < 36); - } else { // L==0, R==0 - for (k=0; k<36; k++) { - Y_R[k][Band] = - Y_L[k][Band] = 0.f; - } - } - - } - return; -} - - -/* - * This is the main requantisation routine for Intensity Stereo. - * It does the same as Requantize_MidSideStereo() but for IS. - * - * Input is: - * - Stop_Band: - * the last band using MS or LR stereo - * - Res[Band].L: - * Quantisation resolution for every band (0...Stop_Band) and - * the left channel which is used for both channels. Value is 0...17. - * - SCF_Index[3][Band].{L,R}: - * Scale factor for every band (0...Stop_Band), subframe (0...2) - * and channel (L, R). - * - Q[Band].L[36] - * 36 subband samples for every band (0...Stop_Band), both channels use - * the of the left channel - * - SCF[64], Cc[18], Dc[18]: - * Lookup tables for Scale factor and Quantisation resolution. - * - * Output is: - * - Y_L: Left channel subband signals - * - Y_R: Right channel subband signals - * - * These signals are used for the synthesis filter in the synth*.[ch] - * files to generate the PCM output signal. - */ - -void -Requantize_IntensityStereo ( Int Start_Band, Int Stop_Band ) -{ - Int Band; // Start_Band...Stop_Band - Uint k; // 0...35 - Float ML; - Float MR; - - for ( Band = Start_Band; Band <= Stop_Band; Band++ ) { - - if ( Res[Band].L ) { - k = 0; - ML = SCF[SCF_Index[0][Band].L] * Cc[Res[Band].L] * SS05; - MR = SCF[SCF_Index[0][Band].R] * Cc[Res[Band].L] * SS05; - do { - Y_R[k][Band] = Q[Band].L[k] * MR; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 12); - ML = SCF[SCF_Index[1][Band].L] * Cc[Res[Band].L] * SS05; - MR = SCF[SCF_Index[1][Band].R] * Cc[Res[Band].L] * SS05; - do { - Y_R[k][Band] = Q[Band].L[k] * MR; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 24); - ML = SCF[SCF_Index[2][Band].L] * Cc[Res[Band].L] * SS05; - MR = SCF[SCF_Index[2][Band].R] * Cc[Res[Band].L] * SS05; - do { - Y_R[k][Band] = Q[Band].L[k] * MR; - Y_L[k][Band] = Q[Band].L[k] * ML; - } while (++k < 36); - } else { - for (k=0; k<36; k++) { - Y_R[k][Band] = - Y_L[k][Band] = 0.f; - } - } - - } - return; -} - - -/* - * Helper function for the qsort() in Resort_HuffTable() to sort a Huffman table - * by its codes. - */ - -static int Cdecl -cmp_fn ( const void* p1, const void* p2 ) -{ - if ( ((const Huffman_t*)p1) -> Code < ((const Huffman_t*)p2) -> Code ) return +1; - if ( ((const Huffman_t*)p1) -> Code > ((const Huffman_t*)p2) -> Code ) return -1; - return 0; -} - - -/* - * This functions sorts a Huffman table by its codes. It has also two other functions: - * - * - The table contains LSB aligned codes, these are first MSB aligned. - * - The value entry is filled by its position plus 'offset' (Note that - * Make_HuffTable() don't fill this item. Offset can be used to offset - * range for instance from 0...6 to -3...+3. - * - * Note that this function generates trash if you call it twice! - */ - -void -Resort_HuffTable ( Huffman_t* const Table, const size_t elements, Int offset ) -{ - size_t i; - - for ( i = 0; i < elements; i++ ) { - Table[i].Value = i + offset; - Table[i].Code <<= (32 - Table[i].Length); - } - - qsort ( Table, elements, sizeof(*Table), cmp_fn ); - return; -} - -#endif /* MPP_ENCODER */ - - -/* - * Fills out the items Code and Length (but not Value) of a Huffman table - * from a bit packed Huffman table 'src'. Table is not sorted, so this is - * the table which is suitable for an encoder. Be careful: To get a table - * usable for a decoder you must use Resort_HuffTable() after this - * function. It's a little bit dangerous to divide the functionality, maybe - * there is a more secure and handy solution to this problem. - */ - -void -Make_HuffTable ( Huffman_t* dst, const HuffSrc_t* src, size_t len ) -{ - size_t i; - - for ( i = 0; i < len; i++,src++,dst++ ) { - dst->Code = src->Code ; - dst->Length = src->Length; - } -} - - -/* - * Generates a Lookup table for quick Huffman decoding. This table must - * have a size of a power of 2. Input is the pre-sorted Huffman table, - * sorted by Resort_HuffTable() and its length, and the length of the - * lookup table. Output is the Lookup table. It can be used for table based - * decoding (Huffman_decode_fastest) which fully decodes by means of the - * LUT. This is only handy for small huffman codes up to 9...10 bit - * maximum length. For longer codes partial lookup is possible with - * Huffman_decode_faster() which first estimates possible codes by means - * of LUT and then searches the exact code like the tableless version - * Huffman_decode(). - */ - -void -Make_LookupTable ( Uint8_t* LUT, size_t LUT_len, const Huffman_t* const Table, const size_t elements ) -{ - size_t i; - size_t idx = elements; - Uint32_t dval = (Uint32_t)0x80000000L / LUT_len * 2; - Uint32_t val = dval - 1; - - for ( i = 0; i < LUT_len; i++, val += dval ) { - while ( idx > 0 && val >= Table[idx-1].Code ) - idx--; - *LUT++ = (Uint8_t)idx; - } - - return; -} - - -void -Init_FPU ( void ) -{ - Uint16_t cw; - -#if defined __i386__ && defined _FPU_GETCW && defined _FPU_SETCW - _FPU_GETCW ( cw ); - cw &= ~0x300; - _FPU_SETCW ( cw ); -#elif defined __i386__ && defined FPU_GETCW && defined FPU_SETCW - FPU_GETCW ( cw ); - cw &= ~0x300; - FPU_SETCW ( cw ); -#elif defined __MINGW32__ - __asm__ ("fnstcw %0" : "=m" (*&cw)); - cw &= ~0x300; - __asm__ ("fldcw %0" : : "m" (*&cw)); -#elif defined(_WIN32) && !defined(_WIN64) - _asm { fstcw cw }; - cw &= ~0x300; - _asm { fldcw cw }; -#else - ; -#endif -} - -/* end of tools.c */