1 files changed, 0 insertions, 167 deletions

diff --git a/apps/codecs/libwma/mdct.c b/apps/codecs/libwma/mdct.c
deleted file mode 100644
index a764f47eed..0000000000
--- a/apps/codecs/libwma/mdct.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * WMA compatible decoder
- * Copyright (c) 2002 The FFmpeg Project.
- *
- * 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 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 "wmafixed.h"
-#include "mdct.h"
-
-/*these are the sin and cos rotations used by the MDCT*/
-
-/*accessed too infrequently to give much speedup in IRAM*/
-
-fixed32 *tcosarray[5], *tsinarray[5];
-fixed32 tcos0[1024], tcos1[512], tcos2[256], tcos3[128], tcos4[64];
-fixed32 tsin0[1024], tsin1[512], tsin2[256], tsin3[128], tsin4[64];
-
-uint16_t revtab0[1024];
-
-/**
- * init MDCT or IMDCT computation.
- */
-int ff_mdct_init(MDCTContext *s, int nbits, int inverse)
-{
-    int n, n4, i;
-
-    memset(s, 0, sizeof(*s));
-    n = 1 << nbits;            //nbits ranges from 12 to 8 inclusive
-    s->nbits = nbits;
-    s->n = n;
-    n4 = n >> 2;
-    s->tcos = tcosarray[12-nbits];
-    s->tsin = tsinarray[12-nbits];
-    for(i=0;i<n4;i++)
-    {
-
-        fixed32 ip = itofix32(i) + 0x2000;
-        ip = ip >> nbits;
-
-       /*I can't remember why this works, but it seems to agree for ~24 bits, maybe more!*/
-        s->tsin[i] = - fsincos(ip<<16, &(s->tcos[i]));
-        s->tcos[i] *=-1;
-    }
-
-    (&s->fft)->nbits = nbits-2;
-
-    (&s->fft)->inverse = inverse;
-
-    return 0;
-
-}
-
-/**
- * Compute inverse MDCT of size N = 2^nbits
- * @param output N samples
- * @param input N/2 samples
- * @param tmp N/2 samples
- */
-void ff_imdct_calc(MDCTContext *s,
-                   fixed32 *output,
-                   fixed32 *input)
-{
-    int k, n8, n4, n2, n, j,scale;
-    const fixed32 *tcos = s->tcos;
-    const fixed32 *tsin = s->tsin;
-    const fixed32 *in1, *in2;
-    FFTComplex *z1 = (FFTComplex *)output;
-    FFTComplex *z2 = (FFTComplex *)input;
-    int revtabshift = 12 - s->nbits;
-
-    n = 1 << s->nbits;
-
-    n2 = n >> 1;
-    n4 = n >> 2;
-    n8 = n >> 3;
-
-
-    /* pre rotation */
-    in1 = input;
-    in2 = input + n2 - 1;
-
-    for(k = 0; k < n4; k++)
-    {
-        j=revtab0[k<<revtabshift];
-        CMUL(&z1[j].re, &z1[j].im, *in2, *in1, tcos[k], tsin[k]);
-        in1 += 2;
-        in2 -= 2;
-    }
-
-        scale = fft_calc_unscaled(&s->fft, z1);
-
-    /* post rotation + reordering */
-
-    for(k = 0; k < n4; k++)
-    {
-        CMUL(&z2[k].re, &z2[k].im, (z1[k].re), (z1[k].im), tcos[k], tsin[k]);
-    }
-
-    for(k = 0; k < n8; k++)
-    {
-        fixed32 r1,r2,r3,r4,r1n,r2n,r3n;
-
-        r1 = z2[n8 + k].im;
-        r1n = r1 * -1;
-        r2 = z2[n8-1-k].re;
-        r2n = r2 * -1;
-        r3 = z2[k+n8].re;
-        r3n = r3 * -1;
-        r4 = z2[n8-k-1].im;
-
-        output[2*k] = r1n;
-        output[n2-1-2*k] = r1;
-
-        output[2*k+1] = r2;
-        output[n2-1-2*k-1] = r2n;
-
-        output[n2 + 2*k]= r3n;
-        output[n-1- 2*k]= r3n;
-
-        output[n2 + 2*k+1]= r4;
-        output[n-2 - 2 * k] = r4;
-    }
-}
-
-/* init MDCT */
-
-int mdct_init_global(void)
-{
-    int i,j,m;
-
-    /* although seemingly degenerate, these cannot actually be merged together without
-       a substantial increase in error which is unjustified by the tiny memory savings*/
-
-    tcosarray[0] = tcos0; tcosarray[1] = tcos1; tcosarray[2] = tcos2; tcosarray[3] = tcos3;tcosarray[4] = tcos4;
-    tsinarray[0] = tsin0; tsinarray[1] = tsin1; tsinarray[2] = tsin2; tsinarray[3] = tsin3;tsinarray[4] = tsin4;
-
-    /* init the MDCT bit reverse table here rather then in fft_init */
-
-    for(i=0;i<1024;i++)           /*hard coded to a 2048 bit rotation*/
-    {                             /*smaller sizes can reuse the largest*/
-        m=0;
-        for(j=0;j<10;j++)
-        {
-            m |= ((i >> j) & 1) << (10-j-1);
-        }
-
-       revtab0[i]=m;
-    }
-
-    fft_init_global();
-
-    return 0;
-}
-