diff options
Diffstat (limited to 'src/libfaad/cfft.h')
| -rw-r--r-- | src/libfaad/cfft.h | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/src/libfaad/cfft.h b/src/libfaad/cfft.h index 4b2d9f544..74c42a91a 100644 --- a/src/libfaad/cfft.h +++ b/src/libfaad/cfft.h @@ -1,6 +1,6 @@ /* -** FAAD - Freeware Advanced Audio Decoder -** Copyright (C) 2002 M. Bakker +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by @@ -16,7 +16,13 @@ ** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** -** $Id: cfft.h,v 1.4 2003/04/12 14:58:46 miguelfreitas Exp $ +** Any non-GPL usage of this software or parts of this software is strictly +** forbidden. +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. +** +** $Id: cfft.h,v 1.5 2003/12/30 02:00:10 miguelfreitas Exp $ **/ #ifndef __CFFT_H__ @@ -26,6 +32,14 @@ extern "C" { #endif +typedef struct +{ + uint16_t n; + uint16_t ifac[15]; + complex_t *work; + complex_t *tab; +} cfft_info; + void cfftf(cfft_info *cfft, complex_t *c); void cfftb(cfft_info *cfft, complex_t *c); @@ -33,7 +47,29 @@ cfft_info *cffti(uint16_t n); void cfftu(cfft_info *cfft); -/* static declarations moved to avoid compiler warnings [MF] */ +#ifdef USE_SSE +void cfftb_sse(cfft_info *cfft, complex_t *c); +static void passf2pos_sse(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa); +static void passf4pos_sse(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3); +#endif +static void passf2pos(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa); +static void passf2neg(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa); +static void passf3(const uint16_t ido, const uint16_t l1, const complex_t *cc, + complex_t *ch, const complex_t *wa1, const complex_t *wa2, const int8_t isign); +static void passf4pos(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3); +static void passf4neg(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3); +static void passf5(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch, + const complex_t *wa1, const complex_t *wa2, const complex_t *wa3, + const complex_t *wa4, const int8_t isign); +INLINE void cfftf1(uint16_t n, complex_t *c, complex_t *ch, + const uint16_t *ifac, const complex_t *wa, const int8_t isign); +static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac); #ifdef __cplusplus |