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-rw-r--r--addons/mp3/decode_i386.c153
1 files changed, 0 insertions, 153 deletions
diff --git a/addons/mp3/decode_i386.c b/addons/mp3/decode_i386.c
deleted file mode 100644
index 83e054422..000000000
--- a/addons/mp3/decode_i386.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Mpeg Layer-1,2,3 audio decoder
- * ------------------------------
- * copyright (c) 1995,1996,1997 by Michael Hipp, All rights reserved.
- * See also 'README'
- *
- * slighlty optimized for machines without autoincrement/decrement.
- * The performance is highly compiler dependend. Maybe
- * the decode.c version for 'normal' processor may be faster
- * even for Intel processors.
- */
-
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-
-
-#include "mpglib.h"
-
-
-
- /* old WRITE_SAMPLE */
-#define WRITE_SAMPLE(samples,sum,clip) \
- if( (sum) > 32767.0) { *(samples) = 0x7fff; (clip)++; } \
- else if( (sum) < -32768.0) { *(samples) = -0x8000; (clip)++; } \
- else { *(samples) = sum; }
-
-int synth_1to1_mono(struct mpstr *mp,real *bandPtr,unsigned char *samples,int *pnt)
-{
- short samples_tmp[64];
- short *tmp1 = samples_tmp;
- int i,ret;
- int pnt1 = 0;
-
- ret = synth_1to1(mp,bandPtr,0,(unsigned char *) samples_tmp,&pnt1);
- samples += *pnt;
-
- for(i=0;i<32;i++) {
- *( (short *) samples) = *tmp1;
- samples += 2;
- tmp1 += 2;
- }
- *pnt += 64;
-
- return ret;
-}
-
-
-int synth_1to1(struct mpstr *mp, real *bandPtr,int channel,unsigned char *out,int *pnt)
-{
- static const int step = 2;
- int bo;
- short *samples = (short *) (out + *pnt);
-
- real *b0,(*buf)[0x110];
- int clip = 0;
- int bo1;
-
- bo = mp->synth_bo;
-
- if(!channel) {
- bo--;
- bo &= 0xf;
- buf = mp->synth_buffs[0];
- }
- else {
- samples++;
- buf = mp->synth_buffs[1];
- }
-
- if(bo & 0x1) {
- b0 = buf[0];
- bo1 = bo;
- dct64(buf[1]+((bo+1)&0xf),buf[0]+bo,bandPtr);
- }
- else {
- b0 = buf[1];
- bo1 = bo+1;
- dct64(buf[0]+bo,buf[1]+bo+1,bandPtr);
- }
-
- mp->synth_bo = bo;
-
- {
- register int j;
- real *window = decwin + 16 - bo1;
-
- for (j=16;j;j--,b0+=0x10,window+=0x20,samples+=step)
- {
- real sum;
- sum = window[0x0] * b0[0x0];
- sum -= window[0x1] * b0[0x1];
- sum += window[0x2] * b0[0x2];
- sum -= window[0x3] * b0[0x3];
- sum += window[0x4] * b0[0x4];
- sum -= window[0x5] * b0[0x5];
- sum += window[0x6] * b0[0x6];
- sum -= window[0x7] * b0[0x7];
- sum += window[0x8] * b0[0x8];
- sum -= window[0x9] * b0[0x9];
- sum += window[0xA] * b0[0xA];
- sum -= window[0xB] * b0[0xB];
- sum += window[0xC] * b0[0xC];
- sum -= window[0xD] * b0[0xD];
- sum += window[0xE] * b0[0xE];
- sum -= window[0xF] * b0[0xF];
-
- WRITE_SAMPLE(samples,sum,clip);
- }
-
- {
- real sum;
- sum = window[0x0] * b0[0x0];
- sum += window[0x2] * b0[0x2];
- sum += window[0x4] * b0[0x4];
- sum += window[0x6] * b0[0x6];
- sum += window[0x8] * b0[0x8];
- sum += window[0xA] * b0[0xA];
- sum += window[0xC] * b0[0xC];
- sum += window[0xE] * b0[0xE];
- WRITE_SAMPLE(samples,sum,clip);
- b0-=0x10,window-=0x20,samples+=step;
- }
- window += bo1<<1;
-
- for (j=15;j;j--,b0-=0x10,window-=0x20,samples+=step)
- {
- real sum;
- sum = -window[-0x1] * b0[0x0];
- sum -= window[-0x2] * b0[0x1];
- sum -= window[-0x3] * b0[0x2];
- sum -= window[-0x4] * b0[0x3];
- sum -= window[-0x5] * b0[0x4];
- sum -= window[-0x6] * b0[0x5];
- sum -= window[-0x7] * b0[0x6];
- sum -= window[-0x8] * b0[0x7];
- sum -= window[-0x9] * b0[0x8];
- sum -= window[-0xA] * b0[0x9];
- sum -= window[-0xB] * b0[0xA];
- sum -= window[-0xC] * b0[0xB];
- sum -= window[-0xD] * b0[0xC];
- sum -= window[-0xE] * b0[0xD];
- sum -= window[-0xF] * b0[0xE];
- sum -= window[-0x0] * b0[0xF];
-
- WRITE_SAMPLE(samples,sum,clip);
- }
- }
- *pnt += 128;
-
- return clip;
-}
-