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Drop the the mdct files from libwmapro since they are no longer needed.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27705 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mohamed Tarek 2010-08-05 06:02:26 +00:00
parent 054a85fdca
commit 12ecbf82fc
5 changed files with 0 additions and 3461 deletions
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1
apps/codecs/libwmapro/SOURCES
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@ -1,4 +1,3 @@
wmaprodec.c
wma.c
mdct_tables.c
../lib/ffmpeg_bitstream.c

3391
apps/codecs/libwmapro/mdct_tables.c
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10
apps/codecs/libwmapro/mdct_tables.h
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@ -1,10 +0,0 @@
#ifndef _MDCT_TABLES_H_
#define _MDCT_TABLES_H_
#include <inttypes.h>
extern const int32_t *sine_windows[6];
/* rockbox: not used
extern const int32_t sincos_lookup_wmap[8064];
*/
#endif /* _MDCT_TABLES_H_ */

51
apps/codecs/libwmapro/wmapro_mdct.c
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@ -1,51 +0,0 @@
#include <inttypes.h>
#include "wmapro_mdct.h"
#include "mdct_tables.h" /* for sincos_lookup_wmap */
#include "../lib/mdct_lookup.h" /* for revtab */
#include "../lib/fft.h" /* for FFT data structures */
#include "codeclib.h"
#include "codeclib_misc.h" /* for XNPROD31 */
#include "wmapro_math.h"
void imdct_half(unsigned int nbits, int32_t *output, const int32_t *input){
int k, n8, n4, n2, n, j;
const int32_t *in1, *in2;
FFTComplex *z = (FFTComplex *)output;
n = 1 << nbits;
n2 = n >> 1;
n4 = n >> 2;
n8 = n >> 3;
const int32_t *T = sincos_lookup_wmap + ((n2) - (1<<7));
/* pre rotation */
const int revtab_shift = (14- nbits);
in1 = input;
in2 = input + n2 - 1;
for(k = 0; k < n4; k++) {
j=revtab[k]>>revtab_shift;
XNPROD31(*in2<<2, *in1<<2, T[1]<<14, T[0]<<14, &z[j].re, &z[j].im );
in1 += 2;
in2 -= 2;
T += 2;
}
ff_fft_calc_c(nbits-2, z);
/* post rotation + reordering */
T = sincos_lookup_wmap + ((n2) - (1<<7)) + n4;
const int32_t *V = T;
for(k = 0; k < n8; k++) {
int32_t r0, i0, r1, i1;
XNPROD31(z[n8-k-1].im, z[n8-k-1].re, T[0]<<8, T[1]<<8, &r0, &i1 );
XNPROD31(z[n8+k ].im, z[n8+k ].re, V[0]<<8, V[1]<<8, &r1, &i0 );
z[n8-k-1].re = r0;
z[n8-k-1].im = i0;
z[n8+k ].re = r1;
z[n8+k ].im = i1;
T-=2;
V+=2;
}
}

8
apps/codecs/libwmapro/wmapro_mdct.h
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@ -1,8 +0,0 @@
#ifndef _WMAPRO_MDCT_H_
#define _WMAPRO_MDCT_H_
#include <inttypes.h>
void imdct_half(unsigned int nbits, int32_t *output, const int32_t *input);
#endif