585 lines
14 KiB
C
585 lines
14 KiB
C
/*
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synth_real.c: The functions for synthesizing real (float) samples, at the end of decoding.
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copyright 1995-2008 by the mpg123 project - free software under the terms of the LGPL 2.1
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see COPYING and AUTHORS files in distribution or http://mpg123.org
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initially written by Michael Hipp, heavily dissected and rearranged by Thomas Orgis
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*/
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#include "mpg123lib_intern.h"
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#include "../common/sample.h"
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#include "../common/debug.h"
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#ifdef REAL_IS_FIXED
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#error "Do not build this file with fixed point math!"
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#else
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/*
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Part 3: All synth functions that produce float output.
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What we need is just a special WRITE_SAMPLE. For the generic and i386 functions, that is.
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The optimized synths would need to be changed internally to support float output.
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*/
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#define SAMPLE_T real
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#define WRITE_SAMPLE(samples,sum,clip) WRITE_REAL_SAMPLE(samples,sum,clip)
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/* Part 3a: All straight 1to1 decoding functions */
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#define BLOCK 0x40 /* One decoding block is 64 samples. */
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#define SYNTH_NAME INT123_synth_1to1_real
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#include "synth.h"
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#undef SYNTH_NAME
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/* Mono-related synths; they wrap over _some_ INT123_synth_1to1_real (could be generic, could be i386). */
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#define SYNTH_NAME fr->synths.plain[r_1to1][f_real]
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#define MONO_NAME INT123_synth_1to1_real_mono
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#define MONO2STEREO_NAME INT123_synth_1to1_real_m2s
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#include "synth_mono.h"
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#undef SYNTH_NAME
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#undef MONO_NAME
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#undef MONO2STEREO_NAME
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#ifdef OPT_X86
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#define NO_AUTOINCREMENT
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#define SYNTH_NAME INT123_synth_1to1_real_i386
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#include "synth.h"
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#undef SYNTH_NAME
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/* i386 uses the normal mono functions. */
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#undef NO_AUTOINCREMENT
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#endif
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#undef BLOCK
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/* At least one optimized real decoder... */
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#ifdef OPT_X86_64
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/* Assembler routines. */
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int INT123_synth_1to1_real_x86_64_asm(real *window, real *b0, real *samples, int bo1);
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int INT123_synth_1to1_real_s_x86_64_asm(real *window, real *b0l, real *b0r, real *samples, int bo1);
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void INT123_dct64_real_x86_64(real *out0, real *out1, real *samples);
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/* Hull for C mpg123 API */
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int INT123_synth_1to1_real_x86_64(real *bandPtr,int channel, mpg123_handle *fr, int final)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0, **buf;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings) INT123_do_equalizer(bandPtr,channel,fr->equalizer);
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#endif
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if(!channel)
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{
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fr->bo--;
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fr->bo &= 0xf;
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buf = fr->real_buffs[0];
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}
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else
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{
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samples++;
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buf = fr->real_buffs[1];
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}
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if(fr->bo & 0x1)
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{
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b0 = buf[0];
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bo1 = fr->bo;
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INT123_dct64_real_x86_64(buf[1]+((fr->bo+1)&0xf),buf[0]+fr->bo,bandPtr);
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}
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else
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{
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b0 = buf[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_x86_64(buf[0]+fr->bo,buf[1]+fr->bo+1,bandPtr);
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}
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INT123_synth_1to1_real_x86_64_asm(fr->decwin, b0, samples, bo1);
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if(final) fr->buffer.fill += 256;
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return 0;
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}
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int INT123_synth_1to1_real_stereo_x86_64(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0l, *b0r, **bufl, **bufr;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings)
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{
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INT123_do_equalizer(bandPtr_l,0,fr->equalizer);
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INT123_do_equalizer(bandPtr_r,1,fr->equalizer);
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}
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#endif
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fr->bo--;
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fr->bo &= 0xf;
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bufl = fr->real_buffs[0];
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bufr = fr->real_buffs[1];
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if(fr->bo & 0x1)
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{
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b0l = bufl[0];
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b0r = bufr[0];
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bo1 = fr->bo;
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INT123_dct64_real_x86_64(bufl[1]+((fr->bo+1)&0xf),bufl[0]+fr->bo,bandPtr_l);
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INT123_dct64_real_x86_64(bufr[1]+((fr->bo+1)&0xf),bufr[0]+fr->bo,bandPtr_r);
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}
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else
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{
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b0l = bufl[1];
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b0r = bufr[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_x86_64(bufl[0]+fr->bo,bufl[1]+fr->bo+1,bandPtr_l);
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INT123_dct64_real_x86_64(bufr[0]+fr->bo,bufr[1]+fr->bo+1,bandPtr_r);
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}
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INT123_synth_1to1_real_s_x86_64_asm(fr->decwin, b0l, b0r, samples, bo1);
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fr->buffer.fill += 256;
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return 0;
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}
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#endif
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#ifdef OPT_AVX
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/* Assembler routines. */
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#ifndef OPT_X86_64
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int INT123_synth_1to1_real_x86_64_asm(real *window, real *b0, real *samples, int bo1);
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#endif
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int INT123_synth_1to1_real_s_avx_asm(real *window, real *b0l, real *b0r, real *samples, int bo1);
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void INT123_dct64_real_avx(real *out0, real *out1, real *samples);
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/* Hull for C mpg123 API */
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int INT123_synth_1to1_real_avx(real *bandPtr,int channel, mpg123_handle *fr, int final)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0, **buf;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings) INT123_do_equalizer(bandPtr,channel,fr->equalizer);
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#endif
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if(!channel)
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{
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fr->bo--;
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fr->bo &= 0xf;
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buf = fr->real_buffs[0];
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}
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else
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{
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samples++;
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buf = fr->real_buffs[1];
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}
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if(fr->bo & 0x1)
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{
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b0 = buf[0];
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bo1 = fr->bo;
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INT123_dct64_real_avx(buf[1]+((fr->bo+1)&0xf),buf[0]+fr->bo,bandPtr);
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}
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else
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{
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b0 = buf[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_avx(buf[0]+fr->bo,buf[1]+fr->bo+1,bandPtr);
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}
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INT123_synth_1to1_real_x86_64_asm(fr->decwin, b0, samples, bo1);
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if(final) fr->buffer.fill += 256;
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return 0;
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}
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int INT123_synth_1to1_fltst_avx(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0l, *b0r, **bufl, **bufr;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings)
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{
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INT123_do_equalizer(bandPtr_l,0,fr->equalizer);
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INT123_do_equalizer(bandPtr_r,1,fr->equalizer);
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}
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#endif
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fr->bo--;
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fr->bo &= 0xf;
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bufl = fr->real_buffs[0];
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bufr = fr->real_buffs[1];
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if(fr->bo & 0x1)
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{
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b0l = bufl[0];
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b0r = bufr[0];
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bo1 = fr->bo;
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INT123_dct64_real_avx(bufl[1]+((fr->bo+1)&0xf),bufl[0]+fr->bo,bandPtr_l);
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INT123_dct64_real_avx(bufr[1]+((fr->bo+1)&0xf),bufr[0]+fr->bo,bandPtr_r);
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}
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else
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{
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b0l = bufl[1];
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b0r = bufr[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_avx(bufl[0]+fr->bo,bufl[1]+fr->bo+1,bandPtr_l);
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INT123_dct64_real_avx(bufr[0]+fr->bo,bufr[1]+fr->bo+1,bandPtr_r);
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}
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INT123_synth_1to1_real_s_avx_asm(fr->decwin, b0l, b0r, samples, bo1);
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fr->buffer.fill += 256;
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return 0;
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}
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#endif
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#if defined(OPT_SSE) || defined(OPT_SSE_VINTAGE)
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/* Assembler routines. */
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int INT123_synth_1to1_real_sse_asm(real *window, real *b0, real *samples, int bo1);
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int INT123_synth_1to1_real_s_sse_asm(real *window, real *b0l, real *b0r, real *samples, int bo1);
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void INT123_dct64_real_sse(real *out0, real *out1, real *samples);
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/* Hull for C mpg123 API */
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int INT123_synth_1to1_real_sse(real *bandPtr,int channel, mpg123_handle *fr, int final)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0, **buf;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings) INT123_do_equalizer(bandPtr,channel,fr->equalizer);
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#endif
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if(!channel)
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{
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fr->bo--;
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fr->bo &= 0xf;
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buf = fr->real_buffs[0];
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}
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else
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{
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samples++;
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buf = fr->real_buffs[1];
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}
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if(fr->bo & 0x1)
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{
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b0 = buf[0];
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bo1 = fr->bo;
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INT123_dct64_real_sse(buf[1]+((fr->bo+1)&0xf),buf[0]+fr->bo,bandPtr);
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}
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else
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{
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b0 = buf[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_sse(buf[0]+fr->bo,buf[1]+fr->bo+1,bandPtr);
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}
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INT123_synth_1to1_real_sse_asm(fr->decwin, b0, samples, bo1);
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if(final) fr->buffer.fill += 256;
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return 0;
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}
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int INT123_synth_1to1_real_stereo_sse(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0l, *b0r, **bufl, **bufr;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings)
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{
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INT123_do_equalizer(bandPtr_l,0,fr->equalizer);
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INT123_do_equalizer(bandPtr_r,1,fr->equalizer);
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}
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#endif
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fr->bo--;
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fr->bo &= 0xf;
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bufl = fr->real_buffs[0];
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bufr = fr->real_buffs[1];
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if(fr->bo & 0x1)
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{
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b0l = bufl[0];
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b0r = bufr[0];
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bo1 = fr->bo;
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INT123_dct64_real_sse(bufl[1]+((fr->bo+1)&0xf),bufl[0]+fr->bo,bandPtr_l);
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INT123_dct64_real_sse(bufr[1]+((fr->bo+1)&0xf),bufr[0]+fr->bo,bandPtr_r);
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}
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else
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{
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b0l = bufl[1];
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b0r = bufr[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_sse(bufl[0]+fr->bo,bufl[1]+fr->bo+1,bandPtr_l);
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INT123_dct64_real_sse(bufr[0]+fr->bo,bufr[1]+fr->bo+1,bandPtr_r);
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}
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INT123_synth_1to1_real_s_sse_asm(fr->decwin, b0l, b0r, samples, bo1);
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fr->buffer.fill += 256;
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return 0;
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}
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#endif
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#ifdef OPT_NEON
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/* Assembler routines. */
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int INT123_synth_1to1_real_neon_asm(real *window, real *b0, real *samples, int bo1);
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int INT123_synth_1to1_real_s_neon_asm(real *window, real *b0l, real *b0r, real *samples, int bo1);
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void INT123_dct64_real_neon(real *out0, real *out1, real *samples);
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/* Hull for C mpg123 API */
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int INT123_synth_1to1_real_neon(real *bandPtr,int channel, mpg123_handle *fr, int final)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0, **buf;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings) INT123_do_equalizer(bandPtr,channel,fr->equalizer);
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#endif
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if(!channel)
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{
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fr->bo--;
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fr->bo &= 0xf;
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buf = fr->real_buffs[0];
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}
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else
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{
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samples++;
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buf = fr->real_buffs[1];
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}
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if(fr->bo & 0x1)
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{
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b0 = buf[0];
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bo1 = fr->bo;
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INT123_dct64_real_neon(buf[1]+((fr->bo+1)&0xf),buf[0]+fr->bo,bandPtr);
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}
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else
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{
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b0 = buf[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_neon(buf[0]+fr->bo,buf[1]+fr->bo+1,bandPtr);
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}
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INT123_synth_1to1_real_neon_asm(fr->decwin, b0, samples, bo1);
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if(final) fr->buffer.fill += 256;
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return 0;
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}
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int INT123_synth_1to1_real_stereo_neon(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0l, *b0r, **bufl, **bufr;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings)
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{
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INT123_do_equalizer(bandPtr_l,0,fr->equalizer);
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INT123_do_equalizer(bandPtr_r,1,fr->equalizer);
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}
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#endif
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fr->bo--;
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fr->bo &= 0xf;
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bufl = fr->real_buffs[0];
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bufr = fr->real_buffs[1];
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if(fr->bo & 0x1)
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{
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b0l = bufl[0];
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b0r = bufr[0];
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bo1 = fr->bo;
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INT123_dct64_real_neon(bufl[1]+((fr->bo+1)&0xf),bufl[0]+fr->bo,bandPtr_l);
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INT123_dct64_real_neon(bufr[1]+((fr->bo+1)&0xf),bufr[0]+fr->bo,bandPtr_r);
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}
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else
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{
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b0l = bufl[1];
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b0r = bufr[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_neon(bufl[0]+fr->bo,bufl[1]+fr->bo+1,bandPtr_l);
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INT123_dct64_real_neon(bufr[0]+fr->bo,bufr[1]+fr->bo+1,bandPtr_r);
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}
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INT123_synth_1to1_real_s_neon_asm(fr->decwin, b0l, b0r, samples, bo1);
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fr->buffer.fill += 256;
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return 0;
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}
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#endif
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#ifdef OPT_NEON64
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/* Assembler routines. */
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int INT123_synth_1to1_real_neon64_asm(real *window, real *b0, real *samples, int bo1);
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int INT123_synth_1to1_real_s_neon64_asm(real *window, real *b0l, real *b0r, real *samples, int bo1);
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void INT123_dct64_real_neon64(real *out0, real *out1, real *samples);
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/* Hull for C mpg123 API */
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int INT123_synth_1to1_real_neon64(real *bandPtr,int channel, mpg123_handle *fr, int final)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0, **buf;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings) INT123_do_equalizer(bandPtr,channel,fr->equalizer);
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#endif
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if(!channel)
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{
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fr->bo--;
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fr->bo &= 0xf;
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buf = fr->real_buffs[0];
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}
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else
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{
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samples++;
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buf = fr->real_buffs[1];
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}
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if(fr->bo & 0x1)
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{
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b0 = buf[0];
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bo1 = fr->bo;
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INT123_dct64_real_neon64(buf[1]+((fr->bo+1)&0xf),buf[0]+fr->bo,bandPtr);
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}
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else
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{
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b0 = buf[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_neon64(buf[0]+fr->bo,buf[1]+fr->bo+1,bandPtr);
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}
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INT123_synth_1to1_real_neon64_asm(fr->decwin, b0, samples, bo1);
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if(final) fr->buffer.fill += 256;
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return 0;
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}
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int INT123_synth_1to1_fltst_neon64(real *bandPtr_l, real *bandPtr_r, mpg123_handle *fr)
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{
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real *samples = (real *) (fr->buffer.data+fr->buffer.fill);
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real *b0l, *b0r, **bufl, **bufr;
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int bo1;
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#ifndef NO_EQUALIZER
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if(fr->have_eq_settings)
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{
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INT123_do_equalizer(bandPtr_l,0,fr->equalizer);
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INT123_do_equalizer(bandPtr_r,1,fr->equalizer);
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}
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#endif
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fr->bo--;
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fr->bo &= 0xf;
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bufl = fr->real_buffs[0];
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bufr = fr->real_buffs[1];
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|
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if(fr->bo & 0x1)
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{
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b0l = bufl[0];
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b0r = bufr[0];
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bo1 = fr->bo;
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INT123_dct64_real_neon64(bufl[1]+((fr->bo+1)&0xf),bufl[0]+fr->bo,bandPtr_l);
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INT123_dct64_real_neon64(bufr[1]+((fr->bo+1)&0xf),bufr[0]+fr->bo,bandPtr_r);
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}
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else
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{
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b0l = bufl[1];
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b0r = bufr[1];
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bo1 = fr->bo+1;
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INT123_dct64_real_neon64(bufl[0]+fr->bo,bufl[1]+fr->bo+1,bandPtr_l);
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INT123_dct64_real_neon64(bufr[0]+fr->bo,bufr[1]+fr->bo+1,bandPtr_r);
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}
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|
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INT123_synth_1to1_real_s_neon64_asm(fr->decwin, b0l, b0r, samples, bo1);
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|
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fr->buffer.fill += 256;
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|
|
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return 0;
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}
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#endif
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|
|
|
#ifndef NO_DOWNSAMPLE
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|
|
|
/*
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Part 3b: 2to1 synth. Only generic and i386.
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*/
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|
#define BLOCK 0x20 /* One decoding block is 32 samples. */
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|
|
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#define SYNTH_NAME INT123_synth_2to1_real
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#include "synth.h"
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|
#undef SYNTH_NAME
|
|
|
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/* Mono-related synths; they wrap over _some_ INT123_synth_2to1_real (could be generic, could be i386). */
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|
#define SYNTH_NAME fr->synths.plain[r_2to1][f_real]
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#define MONO_NAME INT123_synth_2to1_real_mono
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|
#define MONO2STEREO_NAME INT123_synth_2to1_real_m2s
|
|
#include "synth_mono.h"
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|
#undef SYNTH_NAME
|
|
#undef MONO_NAME
|
|
#undef MONO2STEREO_NAME
|
|
|
|
#ifdef OPT_X86
|
|
#define NO_AUTOINCREMENT
|
|
#define SYNTH_NAME INT123_synth_2to1_real_i386
|
|
#include "synth.h"
|
|
#undef SYNTH_NAME
|
|
/* i386 uses the normal mono functions. */
|
|
#undef NO_AUTOINCREMENT
|
|
#endif
|
|
|
|
#undef BLOCK
|
|
|
|
/*
|
|
Part 3c: 4to1 synth. Only generic and i386.
|
|
*/
|
|
#define BLOCK 0x10 /* One decoding block is 16 samples. */
|
|
|
|
#define SYNTH_NAME INT123_synth_4to1_real
|
|
#include "synth.h"
|
|
#undef SYNTH_NAME
|
|
|
|
/* Mono-related synths; they wrap over _some_ INT123_synth_4to1_real (could be generic, could be i386). */
|
|
#define SYNTH_NAME fr->synths.plain[r_4to1][f_real]
|
|
#define MONO_NAME INT123_synth_4to1_real_mono
|
|
#define MONO2STEREO_NAME INT123_synth_4to1_real_m2s
|
|
#include "synth_mono.h"
|
|
#undef SYNTH_NAME
|
|
#undef MONO_NAME
|
|
#undef MONO2STEREO_NAME
|
|
|
|
#ifdef OPT_X86
|
|
#define NO_AUTOINCREMENT
|
|
#define SYNTH_NAME INT123_synth_4to1_real_i386
|
|
#include "synth.h"
|
|
#undef SYNTH_NAME
|
|
/* i386 uses the normal mono functions. */
|
|
#undef NO_AUTOINCREMENT
|
|
#endif
|
|
|
|
#undef BLOCK
|
|
|
|
#endif /* NO_DOWNSAMPLE */
|
|
|
|
#ifndef NO_NTOM
|
|
/*
|
|
Part 3d: ntom synth.
|
|
Same procedure as above... Just no extra play anymore, straight synth that may use an optimized INT123_dct64.
|
|
*/
|
|
|
|
/* These are all in one header, there's no flexibility to gain. */
|
|
#define SYNTH_NAME INT123_synth_ntom_real
|
|
#define MONO_NAME INT123_synth_ntom_real_mono
|
|
#define MONO2STEREO_NAME INT123_synth_ntom_real_m2s
|
|
#include "synth_ntom.h"
|
|
#undef SYNTH_NAME
|
|
#undef MONO_NAME
|
|
#undef MONO2STEREO_NAME
|
|
|
|
#endif
|
|
|
|
#undef SAMPLE_T
|
|
#undef WRITE_SAMPLE
|
|
|
|
#endif /* non-fixed type */
|