mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-18 13:35:13 +00:00
73e4ff9de9
- whitespace consistency 2->4 [dsputil_init_ppc] - reorder struct initialization with dsputil_init_altivec [dsputil_init_ppc] - use casts instead of temp variables [vorbis_inverse_coupling_altivec] Originally committed as revision 5918 to svn://svn.ffmpeg.org/ffmpeg/trunk
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2002 Brian Foley
|
|
* Copyright (c) 2002 Dieter Shirley
|
|
* Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _DSPUTIL_ALTIVEC_
|
|
#define _DSPUTIL_ALTIVEC_
|
|
|
|
#include "dsputil_ppc.h"
|
|
|
|
#ifdef HAVE_ALTIVEC
|
|
|
|
extern int has_altivec(void);
|
|
|
|
// used to build registers permutation vectors (vcprm)
|
|
// the 's' are for words in the _s_econd vector
|
|
#define WORD_0 0x00,0x01,0x02,0x03
|
|
#define WORD_1 0x04,0x05,0x06,0x07
|
|
#define WORD_2 0x08,0x09,0x0a,0x0b
|
|
#define WORD_3 0x0c,0x0d,0x0e,0x0f
|
|
#define WORD_s0 0x10,0x11,0x12,0x13
|
|
#define WORD_s1 0x14,0x15,0x16,0x17
|
|
#define WORD_s2 0x18,0x19,0x1a,0x1b
|
|
#define WORD_s3 0x1c,0x1d,0x1e,0x1f
|
|
|
|
#ifdef CONFIG_DARWIN
|
|
#define vcprm(a,b,c,d) (const vector unsigned char)(WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d)
|
|
#else
|
|
#define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
|
|
#endif
|
|
|
|
// vcprmle is used to keep the same index as in the SSE version.
|
|
// it's the same as vcprm, with the index inversed
|
|
// ('le' is Little Endian)
|
|
#define vcprmle(a,b,c,d) vcprm(d,c,b,a)
|
|
|
|
// used to build inverse/identity vectors (vcii)
|
|
// n is _n_egative, p is _p_ositive
|
|
#define FLOAT_n -1.
|
|
#define FLOAT_p 1.
|
|
|
|
|
|
#ifdef CONFIG_DARWIN
|
|
#define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d)
|
|
#else
|
|
#define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
|
|
#endif
|
|
|
|
#else /* HAVE_ALTIVEC */
|
|
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
|
|
#error "I can't use ALTIVEC_USE_REFERENCE_C_CODE if I don't use HAVE_ALTIVEC"
|
|
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
|
|
#endif /* HAVE_ALTIVEC */
|
|
|
|
#endif /* _DSPUTIL_ALTIVEC_ */
|