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author | diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2010-05-09 14:45:29 +0000 |
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committer | diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2010-05-09 14:45:29 +0000 |
commit | 12f67b8372d8f7146a2983f24727ea6306aa70c0 (patch) | |
tree | 105e0b1ada4c20ad88fc08e4ccb39830369f36aa /liba52/imdct.c | |
parent | 3921b7170673525a45bbfbc0abc93b401e29f794 (diff) | |
download | mpv-12f67b8372d8f7146a2983f24727ea6306aa70c0.tar.bz2 mpv-12f67b8372d8f7146a2983f24727ea6306aa70c0.tar.xz |
Remove internal liba52 copy.
Nowadays FFmpeg is faster than liba52 and external liba52 is well supported.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31147 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'liba52/imdct.c')
-rw-r--r-- | liba52/imdct.c | 1304 |
1 files changed, 0 insertions, 1304 deletions
diff --git a/liba52/imdct.c b/liba52/imdct.c deleted file mode 100644 index 8220cbfb7b..0000000000 --- a/liba52/imdct.c +++ /dev/null @@ -1,1304 +0,0 @@ -/* - * imdct.c - * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org> - * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca> - * - * The ifft algorithms in this file have been largely inspired by Dan - * Bernstein's work, djbfft, available at http://cr.yp.to/djbfft.html - * - * This file is part of a52dec, a free ATSC A-52 stream decoder. - * See http://liba52.sourceforge.net/ for updates. - * - * Modified for use with MPlayer, changes contained in liba52_changes.diff. - * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ - * $Id$ - * - * a52dec is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * a52dec 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * SSE optimizations from Michael Niedermayer (michaelni@gmx.at) - * 3DNOW optimizations from Nick Kurshev <nickols_k@mail.ru> - * michael did port them from libac3 (untested, perhaps totally broken) - * AltiVec optimizations from Romain Dolbeau (romain@dolbeau.org) - */ - -#include "config.h" - -#include <math.h> -#include <stdio.h> -#ifdef LIBA52_DJBFFT -#include <fftc4.h> -#endif -#ifndef M_PI -#define M_PI 3.1415926535897932384626433832795029 -#endif -#include <inttypes.h> - -#include "a52.h" -#include "a52_internal.h" -#include "mm_accel.h" -#include "mangle.h" - -void (*a52_imdct_512) (sample_t * data, sample_t * delay, sample_t bias); - -#if CONFIG_RUNTIME_CPUDETECT -#undef HAVE_AMD3DNOWEXT -#define HAVE_AMD3DNOWEXT 0 -#endif - -typedef struct complex_s { - sample_t real; - sample_t imag; -} complex_t; - -static const int pm128[128] attribute_used __attribute__((aligned(16))) = -{ - 0, 16, 32, 48, 64, 80, 96, 112, 8, 40, 72, 104, 24, 56, 88, 120, - 4, 20, 36, 52, 68, 84, 100, 116, 12, 28, 44, 60, 76, 92, 108, 124, - 2, 18, 34, 50, 66, 82, 98, 114, 10, 42, 74, 106, 26, 58, 90, 122, - 6, 22, 38, 54, 70, 86, 102, 118, 14, 46, 78, 110, 30, 62, 94, 126, - 1, 17, 33, 49, 65, 81, 97, 113, 9, 41, 73, 105, 25, 57, 89, 121, - 5, 21, 37, 53, 69, 85, 101, 117, 13, 29, 45, 61, 77, 93, 109, 125, - 3, 19, 35, 51, 67, 83, 99, 115, 11, 43, 75, 107, 27, 59, 91, 123, - 7, 23, 39, 55, 71, 87, 103, 119, 15, 31, 47, 63, 79, 95, 111, 127 -}; - -static uint8_t attribute_used bit_reverse_512[] = { - 0x00, 0x40, 0x20, 0x60, 0x10, 0x50, 0x30, 0x70, - 0x08, 0x48, 0x28, 0x68, 0x18, 0x58, 0x38, 0x78, - 0x04, 0x44, 0x24, 0x64, 0x14, 0x54, 0x34, 0x74, - 0x0c, 0x4c, 0x2c, 0x6c, 0x1c, 0x5c, 0x3c, 0x7c, - 0x02, 0x42, 0x22, 0x62, 0x12, 0x52, 0x32, 0x72, - 0x0a, 0x4a, 0x2a, 0x6a, 0x1a, 0x5a, 0x3a, 0x7a, - 0x06, 0x46, 0x26, 0x66, 0x16, 0x56, 0x36, 0x76, - 0x0e, 0x4e, 0x2e, 0x6e, 0x1e, 0x5e, 0x3e, 0x7e, - 0x01, 0x41, 0x21, 0x61, 0x11, 0x51, 0x31, 0x71, - 0x09, 0x49, 0x29, 0x69, 0x19, 0x59, 0x39, 0x79, - 0x05, 0x45, 0x25, 0x65, 0x15, 0x55, 0x35, 0x75, - 0x0d, 0x4d, 0x2d, 0x6d, 0x1d, 0x5d, 0x3d, 0x7d, - 0x03, 0x43, 0x23, 0x63, 0x13, 0x53, 0x33, 0x73, - 0x0b, 0x4b, 0x2b, 0x6b, 0x1b, 0x5b, 0x3b, 0x7b, - 0x07, 0x47, 0x27, 0x67, 0x17, 0x57, 0x37, 0x77, - 0x0f, 0x4f, 0x2f, 0x6f, 0x1f, 0x5f, 0x3f, 0x7f}; - -static uint8_t fftorder[] = { - 0,128, 64,192, 32,160,224, 96, 16,144, 80,208,240,112, 48,176, - 8,136, 72,200, 40,168,232,104,248,120, 56,184, 24,152,216, 88, - 4,132, 68,196, 36,164,228,100, 20,148, 84,212,244,116, 52,180, - 252,124, 60,188, 28,156,220, 92, 12,140, 76,204,236,108, 44,172, - 2,130, 66,194, 34,162,226, 98, 18,146, 82,210,242,114, 50,178, - 10,138, 74,202, 42,170,234,106,250,122, 58,186, 26,154,218, 90, - 254,126, 62,190, 30,158,222, 94, 14,142, 78,206,238,110, 46,174, - 6,134, 70,198, 38,166,230,102,246,118, 54,182, 22,150,214, 86 -}; - -static complex_t __attribute__((aligned(16))) buf[128]; - -/* Twiddle factor LUT */ -static complex_t __attribute__((aligned(16))) w_1[1]; -static complex_t __attribute__((aligned(16))) w_2[2]; -static complex_t __attribute__((aligned(16))) w_4[4]; -static complex_t __attribute__((aligned(16))) w_8[8]; -static complex_t __attribute__((aligned(16))) w_16[16]; -static complex_t __attribute__((aligned(16))) w_32[32]; -static complex_t __attribute__((aligned(16))) w_64[64]; -static complex_t __attribute__((aligned(16))) * w[7] = {w_1, w_2, w_4, w_8, w_16, w_32, w_64}; - -/* Twiddle factors for IMDCT */ -static sample_t __attribute__((aligned(16))) xcos1[128]; -static sample_t __attribute__((aligned(16))) xsin1[128]; - -#if ARCH_X86 || ARCH_X86_64 -// NOTE: SSE needs 16byte alignment or it will segfault -// -static float __attribute__((aligned(16))) sseSinCos1c[256]; -static float __attribute__((aligned(16))) sseSinCos1d[256]; -static float attribute_used __attribute__((aligned(16))) ps111_1[4]={1,1,1,-1}; -//static float __attribute__((aligned(16))) sseW0[4]; -static float __attribute__((aligned(16))) sseW1[8]; -static float __attribute__((aligned(16))) sseW2[16]; -static float __attribute__((aligned(16))) sseW3[32]; -static float __attribute__((aligned(16))) sseW4[64]; -static float __attribute__((aligned(16))) sseW5[128]; -static float __attribute__((aligned(16))) sseW6[256]; -static float __attribute__((aligned(16))) *sseW[7]= - {NULL /*sseW0*/,sseW1,sseW2,sseW3,sseW4,sseW5,sseW6}; -static float __attribute__((aligned(16))) sseWindow[512]; -#endif - -/* Root values for IFFT */ -static sample_t roots16[3]; -static sample_t roots32[7]; -static sample_t roots64[15]; -static sample_t roots128[31]; - -/* Twiddle factors for IMDCT */ -static complex_t pre1[128]; -static complex_t post1[64]; -static complex_t pre2[64]; -static complex_t post2[32]; - -static sample_t a52_imdct_window[256]; - -static void (* ifft128) (complex_t * buf); -static void (* ifft64) (complex_t * buf); - -static inline void ifft2 (complex_t * buf) -{ - double r, i; - - r = buf[0].real; - i = buf[0].imag; - buf[0].real += buf[1].real; - buf[0].imag += buf[1].imag; - buf[1].real = r - buf[1].real; - buf[1].imag = i - buf[1].imag; -} - -static inline void ifft4 (complex_t * buf) -{ - double tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8; - - tmp1 = buf[0].real + buf[1].real; - tmp2 = buf[3].real + buf[2].real; - tmp3 = buf[0].imag + buf[1].imag; - tmp4 = buf[2].imag + buf[3].imag; - tmp5 = buf[0].real - buf[1].real; - tmp6 = buf[0].imag - buf[1].imag; - tmp7 = buf[2].imag - buf[3].imag; - tmp8 = buf[3].real - buf[2].real; - - buf[0].real = tmp1 + tmp2; - buf[0].imag = tmp3 + tmp4; - buf[2].real = tmp1 - tmp2; - buf[2].imag = tmp3 - tmp4; - buf[1].real = tmp5 + tmp7; - buf[1].imag = tmp6 + tmp8; - buf[3].real = tmp5 - tmp7; - buf[3].imag = tmp6 - tmp8; -} - -/* the basic split-radix ifft butterfly */ - -#define BUTTERFLY(a0,a1,a2,a3,wr,wi) do { \ - tmp5 = a2.real * wr + a2.imag * wi; \ - tmp6 = a2.imag * wr - a2.real * wi; \ - tmp7 = a3.real * wr - a3.imag * wi; \ - tmp8 = a3.imag * wr + a3.real * wi; \ - tmp1 = tmp5 + tmp7; \ - tmp2 = tmp6 + tmp8; \ - tmp3 = tmp6 - tmp8; \ - tmp4 = tmp7 - tmp5; \ - a2.real = a0.real - tmp1; \ - a2.imag = a0.imag - tmp2; \ - a3.real = a1.real - tmp3; \ - a3.imag = a1.imag - tmp4; \ - a0.real += tmp1; \ - a0.imag += tmp2; \ - a1.real += tmp3; \ - a1.imag += tmp4; \ -} while (0) - -/* split-radix ifft butterfly, specialized for wr=1 wi=0 */ - -#define BUTTERFLY_ZERO(a0,a1,a2,a3) do { \ - tmp1 = a2.real + a3.real; \ - tmp2 = a2.imag + a3.imag; \ - tmp3 = a2.imag - a3.imag; \ - tmp4 = a3.real - a2.real; \ - a2.real = a0.real - tmp1; \ - a2.imag = a0.imag - tmp2; \ - a3.real = a1.real - tmp3; \ - a3.imag = a1.imag - tmp4; \ - a0.real += tmp1; \ - a0.imag += tmp2; \ - a1.real += tmp3; \ - a1.imag += tmp4; \ -} while (0) - -/* split-radix ifft butterfly, specialized for wr=wi */ - -#define BUTTERFLY_HALF(a0,a1,a2,a3,w) do { \ - tmp5 = (a2.real + a2.imag) * w; \ - tmp6 = (a2.imag - a2.real) * w; \ - tmp7 = (a3.real - a3.imag) * w; \ - tmp8 = (a3.imag + a3.real) * w; \ - tmp1 = tmp5 + tmp7; \ - tmp2 = tmp6 + tmp8; \ - tmp3 = tmp6 - tmp8; \ - tmp4 = tmp7 - tmp5; \ - a2.real = a0.real - tmp1; \ - a2.imag = a0.imag - tmp2; \ - a3.real = a1.real - tmp3; \ - a3.imag = a1.imag - tmp4; \ - a0.real += tmp1; \ - a0.imag += tmp2; \ - a1.real += tmp3; \ - a1.imag += tmp4; \ -} while (0) - -static inline void ifft8 (complex_t * buf) -{ - double tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8; - - ifft4 (buf); - ifft2 (buf + 4); - ifft2 (buf + 6); - BUTTERFLY_ZERO (buf[0], buf[2], buf[4], buf[6]); - BUTTERFLY_HALF (buf[1], buf[3], buf[5], buf[7], roots16[1]); -} - -static void ifft_pass (complex_t * buf, sample_t * weight, int n) -{ - complex_t * buf1; - complex_t * buf2; - complex_t * buf3; - double tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8; - int i; - - buf++; - buf1 = buf + n; - buf2 = buf + 2 * n; - buf3 = buf + 3 * n; - - BUTTERFLY_ZERO (buf[-1], buf1[-1], buf2[-1], buf3[-1]); - - i = n - 1; - - do { - BUTTERFLY (buf[0], buf1[0], buf2[0], buf3[0], weight[n], weight[2*i]); - buf++; - buf1++; - buf2++; - buf3++; - weight++; - } while (--i); -} - -static void ifft16 (complex_t * buf) -{ - ifft8 (buf); - ifft4 (buf + 8); - ifft4 (buf + 12); - ifft_pass (buf, roots16 - 4, 4); -} - -static void ifft32 (complex_t * buf) -{ - ifft16 (buf); - ifft8 (buf + 16); - ifft8 (buf + 24); - ifft_pass (buf, roots32 - 8, 8); -} - -static void ifft64_c (complex_t * buf) -{ - ifft32 (buf); - ifft16 (buf + 32); - ifft16 (buf + 48); - ifft_pass (buf, roots64 - 16, 16); -} - -static void ifft128_c (complex_t * buf) -{ - ifft32 (buf); - ifft16 (buf + 32); - ifft16 (buf + 48); - ifft_pass (buf, roots64 - 16, 16); - - ifft32 (buf + 64); - ifft32 (buf + 96); - ifft_pass (buf, roots128 - 32, 32); -} - -void imdct_do_512 (sample_t * data, sample_t * delay, sample_t bias) -{ - int i, k; - sample_t t_r, t_i, a_r, a_i, b_r, b_i, w_1, w_2; - const sample_t * window = a52_imdct_window; - complex_t buf[128]; - - for (i = 0; i < 128; i++) { - k = fftorder[i]; - t_r = pre1[i].real; - t_i = pre1[i].imag; - - buf[i].real = t_i * data[255-k] + t_r * data[k]; - buf[i].imag = t_r * data[255-k] - t_i * data[k]; - } - - ifft128 (buf); - - /* Post IFFT complex multiply plus IFFT complex conjugate*/ - /* Window and convert to real valued signal */ - for (i = 0; i < 64; i++) { - /* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */ - t_r = post1[i].real; - t_i = post1[i].imag; - - a_r = t_r * buf[i].real + t_i * buf[i].imag; - a_i = t_i * buf[i].real - t_r * buf[i].imag; - b_r = t_i * buf[127-i].real + t_r * buf[127-i].imag; - b_i = t_r * buf[127-i].real - t_i * buf[127-i].imag; - - w_1 = window[2*i]; - w_2 = window[255-2*i]; - data[2*i] = delay[2*i] * w_2 - a_r * w_1 + bias; - data[255-2*i] = delay[2*i] * w_1 + a_r * w_2 + bias; - delay[2*i] = a_i; - - w_1 = window[2*i+1]; - w_2 = window[254-2*i]; - data[2*i+1] = delay[2*i+1] * w_2 + b_r * w_1 + bias; - data[254-2*i] = delay[2*i+1] * w_1 - b_r * w_2 + bias; - delay[2*i+1] = b_i; - } -} - -#if HAVE_ALTIVEC - -#ifdef HAVE_ALTIVEC_H -#include <altivec.h> -#endif - -// 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 - -#define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d} -#define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d} - -#define FOUROF(a) {a,a,a,a} - -// 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. - - -void -imdct_do_512_altivec(sample_t data[],sample_t delay[], sample_t bias) -{ - int i; - int k; - int p,q; - int m; - long two_m; - long two_m_plus_one; - - sample_t tmp_b_i; - sample_t tmp_b_r; - sample_t tmp_a_i; - sample_t tmp_a_r; - - sample_t *data_ptr; - sample_t *delay_ptr; - sample_t *window_ptr; - - /* 512 IMDCT with source and dest data in 'data' */ - - /* Pre IFFT complex multiply plus IFFT cmplx conjugate & reordering*/ - for( i=0; i < 128; i++) { - /* z[i] = (X[256-2*i-1] + j * X[2*i]) * (xcos1[i] + j * xsin1[i]) ; */ - int j= bit_reverse_512[i]; - buf[i].real = (data[256-2*j-1] * xcos1[j]) - (data[2*j] * xsin1[j]); - buf[i].imag = -1.0 * ((data[2*j] * xcos1[j]) + (data[256-2*j-1] * xsin1[j])); - } - - /* 1. iteration */ - for(i = 0; i < 128; i += 2) { -#if 0 - tmp_a_r = buf[i].real; - tmp_a_i = buf[i].imag; - tmp_b_r = buf[i+1].real; - tmp_b_i = buf[i+1].imag; - buf[i].real = tmp_a_r + tmp_b_r; - buf[i].imag = tmp_a_i + tmp_b_i; - buf[i+1].real = tmp_a_r - tmp_b_r; - buf[i+1].imag = tmp_a_i - tmp_b_i; -#else - vector float temp, bufv; - - bufv = vec_ld(i << 3, (float*)buf); - temp = vec_perm(bufv, bufv, vcprm(2,3,0,1)); - bufv = vec_madd(bufv, vcii(p,p,n,n), temp); - vec_st(bufv, i << 3, (float*)buf); -#endif - } - - /* 2. iteration */ - // Note w[1]={{1,0}, {0,-1}} - for(i = 0; i < 128; i += 4) { -#if 0 - tmp_a_r = buf[i].real; - tmp_a_i = buf[i].imag; - tmp_b_r = buf[i+2].real; - tmp_b_i = buf[i+2].imag; - buf[i].real = tmp_a_r + tmp_b_r; - buf[i].imag = tmp_a_i + tmp_b_i; - buf[i+2].real = tmp_a_r - tmp_b_r; - buf[i+2].imag = tmp_a_i - tmp_b_i; - tmp_a_r = buf[i+1].real; - tmp_a_i = buf[i+1].imag; - /* WARNING: im <-> re here ! */ - tmp_b_r = buf[i+3].imag; - tmp_b_i = buf[i+3].real; - buf[i+1].real = tmp_a_r + tmp_b_r; - buf[i+1].imag = tmp_a_i - tmp_b_i; - buf[i+3].real = tmp_a_r - tmp_b_r; - buf[i+3].imag = tmp_a_i + tmp_b_i; -#else - vector float buf01, buf23, temp1, temp2; - - buf01 = vec_ld((i + 0) << 3, (float*)buf); - buf23 = vec_ld((i + 2) << 3, (float*)buf); - buf23 = vec_perm(buf23,buf23,vcprm(0,1,3,2)); - - temp1 = vec_madd(buf23, vcii(p,p,p,n), buf01); - temp2 = vec_madd(buf23, vcii(n,n,n,p), buf01); - - vec_st(temp1, (i + 0) << 3, (float*)buf); - vec_st(temp2, (i + 2) << 3, (float*)buf); -#endif - } - - /* 3. iteration */ - for(i = 0; i < 128; i += 8) { -#if 0 - tmp_a_r = buf[i].real; - tmp_a_i = buf[i].imag; - tmp_b_r = buf[i+4].real; - tmp_b_i = buf[i+4].imag; - buf[i].real = tmp_a_r + tmp_b_r; - buf[i].imag = tmp_a_i + tmp_b_i; - buf[i+4].real = tmp_a_r - tmp_b_r; - buf[i+4].imag = tmp_a_i - tmp_b_i; - tmp_a_r = buf[1+i].real; - tmp_a_i = buf[1+i].imag; - tmp_b_r = (buf[i+5].real + buf[i+5].imag) * w[2][1].real; - tmp_b_i = (buf[i+5].imag - buf[i+5].real) * w[2][1].real; - buf[1+i].real = tmp_a_r + tmp_b_r; - buf[1+i].imag = tmp_a_i + tmp_b_i; - buf[i+5].real = tmp_a_r - tmp_b_r; - buf[i+5].imag = tmp_a_i - tmp_b_i; - tmp_a_r = buf[i+2].real; - tmp_a_i = buf[i+2].imag; - /* WARNING re <-> im & sign */ - tmp_b_r = buf[i+6].imag; - tmp_b_i = - buf[i+6].real; - buf[i+2].real = tmp_a_r + tmp_b_r; - buf[i+2].imag = tmp_a_i + tmp_b_i; - buf[i+6].real = tmp_a_r - tmp_b_r; - buf[i+6].imag = tmp_a_i - tmp_b_i; - tmp_a_r = buf[i+3].real; - tmp_a_i = buf[i+3].imag; - tmp_b_r = (buf[i+7].real - buf[i+7].imag) * w[2][3].imag; - tmp_b_i = (buf[i+7].imag + buf[i+7].real) * w[2][3].imag; - buf[i+3].real = tmp_a_r + tmp_b_r; - buf[i+3].imag = tmp_a_i + tmp_b_i; - buf[i+7].real = tmp_a_r - tmp_b_r; - buf[i+7].imag = tmp_a_i - tmp_b_i; -#else - vector float buf01, buf23, buf45, buf67; - - buf01 = vec_ld((i + 0) << 3, (float*)buf); - buf23 = vec_ld((i + 2) << 3, (float*)buf); - - tmp_b_r = (buf[i+5].real + buf[i+5].imag) * w[2][1].real; - tmp_b_i = (buf[i+5].imag - buf[i+5].real) * w[2][1].real; - buf[i+5].real = tmp_b_r; - buf[i+5].imag = tmp_b_i; - tmp_b_r = (buf[i+7].real - buf[i+7].imag) * w[2][3].imag; - tmp_b_i = (buf[i+7].imag + buf[i+7].real) * w[2][3].imag; - buf[i+7].real = tmp_b_r; - buf[i+7].imag = tmp_b_i; - - buf23 = vec_ld((i + 2) << 3, (float*)buf); - buf45 = vec_ld((i + 4) << 3, (float*)buf); - buf67 = vec_ld((i + 6) << 3, (float*)buf); - buf67 = vec_perm(buf67, buf67, vcprm(1,0,2,3)); - - vec_st(vec_add(buf01, buf45), (i + 0) << 3, (float*)buf); - vec_st(vec_madd(buf67, vcii(p,n,p,p), buf23), (i + 2) << 3, (float*)buf); - vec_st(vec_sub(buf01, buf45), (i + 4) << 3, (float*)buf); - vec_st(vec_nmsub(buf67, vcii(p,n,p,p), buf23), (i + 6) << 3, (float*)buf); -#endif - } - - /* 4-7. iterations */ - for (m=3; m < 7; m++) { - two_m = (1 << m); - - two_m_plus_one = two_m<<1; - - for(i = 0; i < 128; i += two_m_plus_one) { - for(k = 0; k < two_m; k+=2) { -#if 0 - int p = k + i; - int q = p + two_m; - tmp_a_r = buf[p].real; - tmp_a_i = buf[p].imag; - tmp_b_r = - buf[q].real * w[m][k].real - - buf[q].imag * w[m][k].imag; - tmp_b_i = - buf[q].imag * w[m][k].real + - buf[q].real * w[m][k].imag; - buf[p].real = tmp_a_r + tmp_b_r; - buf[p].imag = tmp_a_i + tmp_b_i; - buf[q].real = tmp_a_r - tmp_b_r; - buf[q].imag = tmp_a_i - tmp_b_i; - - tmp_a_r = buf[(p + 1)].real; - tmp_a_i = buf[(p + 1)].imag; - tmp_b_r = - buf[(q + 1)].real * w[m][(k + 1)].real - - buf[(q + 1)].imag * w[m][(k + 1)].imag; - tmp_b_i = - buf[(q + 1)].imag * w[m][(k + 1)].real + - buf[(q + 1)].real * w[m][(k + 1)].imag; - buf[(p + 1)].real = tmp_a_r + tmp_b_r; - buf[(p + 1)].imag = tmp_a_i + tmp_b_i; - buf[(q + 1)].real = tmp_a_r - tmp_b_r; - buf[(q + 1)].imag = tmp_a_i - tmp_b_i; -#else - int p = k + i; - int q = p + two_m; - vector float vecp, vecq, vecw, temp1, temp2, temp3, temp4; - const vector float vczero = (const vector float)FOUROF(0.); - // first compute buf[q] and buf[q+1] - vecq = vec_ld(q << 3, (float*)buf); - vecw = vec_ld(0, (float*)&(w[m][k])); - temp1 = vec_madd(vecq, vecw, vczero); - temp2 = vec_perm(vecq, vecq, vcprm(1,0,3,2)); - temp2 = vec_madd(temp2, vecw, vczero); - temp3 = vec_perm(temp1, temp2, vcprm(0,s0,2,s2)); - temp4 = vec_perm(temp1, temp2, vcprm(1,s1,3,s3)); - vecq = vec_madd(temp4, vcii(n,p,n,p), temp3); - // then butterfly with buf[p] and buf[p+1] - vecp = vec_ld(p << 3, (float*)buf); - - temp1 = vec_add(vecp, vecq); - temp2 = vec_sub(vecp, vecq); - - vec_st(temp1, p << 3, (float*)buf); - vec_st(temp2, q << 3, (float*)buf); -#endif - } - } - } - - /* Post IFFT complex multiply plus IFFT complex conjugate*/ - for( i=0; i < 128; i+=4) { - /* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */ -#if 0 - tmp_a_r = buf[(i + 0)].real; - tmp_a_i = -1.0 * buf[(i + 0)].imag; - buf[(i + 0)].real = - (tmp_a_r * xcos1[(i + 0)]) - (tmp_a_i * xsin1[(i + 0)]); - buf[(i + 0)].imag = - (tmp_a_r * xsin1[(i + 0)]) + (tmp_a_i * xcos1[(i + 0)]); - - tmp_a_r = buf[(i + 1)].real; - tmp_a_i = -1.0 * buf[(i + 1)].imag; - buf[(i + 1)].real = - (tmp_a_r * xcos1[(i + 1)]) - (tmp_a_i * xsin1[(i + 1)]); - buf[(i + 1)].imag = - (tmp_a_r * xsin1[(i + 1)]) + (tmp_a_i * xcos1[(i + 1)]); - - tmp_a_r = buf[(i + 2)].real; - tmp_a_i = -1.0 * buf[(i + 2)].imag; - buf[(i + 2)].real = - (tmp_a_r * xcos1[(i + 2)]) - (tmp_a_i * xsin1[(i + 2)]); - buf[(i + 2)].imag = - (tmp_a_r * xsin1[(i + 2)]) + (tmp_a_i * xcos1[(i + 2)]); - - tmp_a_r = buf[(i + 3)].real; - tmp_a_i = -1.0 * buf[(i + 3)].imag; - buf[(i + 3)].real = - (tmp_a_r * xcos1[(i + 3)]) - (tmp_a_i * xsin1[(i + 3)]); - buf[(i + 3)].imag = - (tmp_a_r * xsin1[(i + 3)]) + (tmp_a_i * xcos1[(i + 3)]); -#else - vector float bufv_0, bufv_2, cosv, sinv, temp1, temp2; - vector float temp0022, temp1133, tempCS01; - const vector float vczero = (const vector float)FOUROF(0.); - - bufv_0 = vec_ld((i + 0) << 3, (float*)buf); - bufv_2 = vec_ld((i + 2) << 3, (float*)buf); - - cosv = vec_ld(i << 2, xcos1); - sinv = vec_ld(i << 2, xsin1); - - temp0022 = vec_perm(bufv_0, bufv_0, vcprm(0,0,2,2)); - temp1133 = vec_perm(bufv_0, bufv_0, vcprm(1,1,3,3)); - tempCS01 = vec_perm(cosv, sinv, vcprm(0,s0,1,s1)); - temp1 = vec_madd(temp0022, tempCS01, vczero); - tempCS01 = vec_perm(cosv, sinv, vcprm(s0,0,s1,1)); - temp2 = vec_madd(temp1133, tempCS01, vczero); - bufv_0 = vec_madd(temp2, vcii(p,n,p,n), temp1); - - vec_st(bufv_0, (i + 0) << 3, (float*)buf); - - /* idem with bufv_2 and high-order cosv/sinv */ - - temp0022 = vec_perm(bufv_2, bufv_2, vcprm(0,0,2,2)); - temp1133 = vec_perm(bufv_2, bufv_2, vcprm(1,1,3,3)); - tempCS01 = vec_perm(cosv, sinv, vcprm(2,s2,3,s3)); - temp1 = vec_madd(temp0022, tempCS01, vczero); - tempCS01 = vec_perm(cosv, sinv, vcprm(s2,2,s3,3)); - temp2 = vec_madd(temp1133, tempCS01, vczero); - bufv_2 = vec_madd(temp2, vcii(p,n,p,n), temp1); - - vec_st(bufv_2, (i + 2) << 3, (float*)buf); - -#endif - } - - data_ptr = data; - delay_ptr = delay; - window_ptr = a52_imdct_window; - - /* Window and convert to real valued signal */ - for(i=0; i< 64; i++) { - *data_ptr++ = -buf[64+i].imag * *window_ptr++ + *delay_ptr++ + bias; - *data_ptr++ = buf[64-i-1].real * *window_ptr++ + *delay_ptr++ + bias; - } - - for(i=0; i< 64; i++) { - *data_ptr++ = -buf[i].real * *window_ptr++ + *delay_ptr++ + bias; - *data_ptr++ = buf[128-i-1].imag * *window_ptr++ + *delay_ptr++ + bias; - } - - /* The trailing edge of the window goes into the delay line */ - delay_ptr = delay; - - for(i=0; i< 64; i++) { - *delay_ptr++ = -buf[64+i].real * *--window_ptr; - *delay_ptr++ = buf[64-i-1].imag * *--window_ptr; - } - - for(i=0; i<64; i++) { - *delay_ptr++ = buf[i].imag * *--window_ptr; - *delay_ptr++ = -buf[128-i-1].real * *--window_ptr; - } -} -#endif - - -// Stuff below this line is borrowed from libac3 -#include "srfftp.h" -#if ARCH_X86 || ARCH_X86_64 -#undef HAVE_AMD3DNOW -#define HAVE_AMD3DNOW 1 -#include "srfftp_3dnow.h" - -const i_cmplx_t x_plus_minus_3dnow __attribute__ ((aligned (8))) = {{ 0x00000000UL, 0x80000000UL }}; -const i_cmplx_t x_minus_plus_3dnow __attribute__ ((aligned (8))) = {{ 0x80000000UL, 0x00000000UL }}; -const complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, 0.707106781188 }; - -#undef HAVE_AMD3DNOWEXT -#define HAVE_AMD3DNOWEXT 0 -#include "imdct_3dnow.h" -#undef HAVE_AMD3DNOWEXT -#define HAVE_AMD3DNOWEXT 1 -#include "imdct_3dnow.h" - -#if !ARCH_X86_64 || !defined(PIC) -void -imdct_do_512_sse(sample_t data[],sample_t delay[], sample_t bias) -{ -/* int i,k; - int p,q;*/ - int m; - long two_m; - long two_m_plus_one; - long two_m_plus_one_shl3; - complex_t *buf_offset; - -/* sample_t tmp_a_i; - sample_t tmp_a_r; - sample_t tmp_b_i; - sample_t tmp_b_r;*/ - - sample_t *data_ptr; - sample_t *delay_ptr; - sample_t *window_ptr; - - /* 512 IMDCT with source and dest data in 'data' */ - /* see the c version (dct_do_512()), its allmost identical, just in C */ - - /* Pre IFFT complex multiply plus IFFT cmplx conjugate */ - /* Bit reversed shuffling */ - __asm__ volatile( - "xor %%"REG_S", %%"REG_S" \n\t" - "lea "MANGLE(bit_reverse_512)", %%"REG_a"\n\t" - "mov $1008, %%"REG_D" \n\t" - "push %%"REG_BP" \n\t" //use ebp without telling gcc - ASMALIGN(4) - "1: \n\t" - "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // XXXI - "movhps 8(%0, %%"REG_D"), %%xmm0 \n\t" // RXXI - "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // XXXi - "movhps (%0, %%"REG_D"), %%xmm1 \n\t" // rXXi - "shufps $0x33, %%xmm1, %%xmm0 \n\t" // irIR - "movaps "MANGLE(sseSinCos1c)"(%%"REG_S"), %%xmm2\n\t" - "mulps %%xmm0, %%xmm2 \n\t" - "shufps $0xB1, %%xmm0, %%xmm0 \n\t" // riRI - "mulps "MANGLE(sseSinCos1d)"(%%"REG_S"), %%xmm0\n\t" - "subps %%xmm0, %%xmm2 \n\t" - "movzb (%%"REG_a"), %%"REG_d" \n\t" - "movzb 1(%%"REG_a"), %%"REG_BP" \n\t" - "movlps %%xmm2, (%1, %%"REG_d", 8) \n\t" - "movhps %%xmm2, (%1, %%"REG_BP", 8) \n\t" - "add $16, %%"REG_S" \n\t" - "add $2, %%"REG_a" \n\t" // avoid complex addressing for P4 crap - "sub $16, %%"REG_D" \n\t" - "jnc 1b \n\t" - "pop %%"REG_BP" \n\t"//no we didnt touch ebp *g* - :: "b" (data), "c" (buf) - : "%"REG_S, "%"REG_D, "%"REG_a, "%"REG_d - ); - - - /* FFT Merge */ -/* unoptimized variant - for (m=1; m < 7; m++) { - if(m) - two_m = (1 << m); - else - two_m = 1; - - two_m_plus_one = (1 << (m+1)); - - for(i = 0; i < 128; i += two_m_plus_one) { - for(k = 0; k < two_m; k++) { - p = k + i; - q = p + two_m; - tmp_a_r = buf[p].real; - tmp_a_i = buf[p].imag; - tmp_b_r = buf[q].real * w[m][k].real - buf[q].imag * w[m][k].imag; - tmp_b_i = buf[q].imag * w[m][k].real + buf[q].real * w[m][k].imag; - buf[p].real = tmp_a_r + tmp_b_r; - buf[p].imag = tmp_a_i + tmp_b_i; - buf[q].real = tmp_a_r - tmp_b_r; - buf[q].imag = tmp_a_i - tmp_b_i; - } - } - } -*/ - - /* 1. iteration */ - // Note w[0][0]={1,0} - __asm__ volatile( - "xorps %%xmm1, %%xmm1 \n\t" - "xorps %%xmm2, %%xmm2 \n\t" - "mov %0, %%"REG_S" \n\t" - ASMALIGN(4) - "1: \n\t" - "movlps (%%"REG_S"), %%xmm0\n\t" //buf[p] - "movlps 8(%%"REG_S"), %%xmm1\n\t" //buf[q] - "movhps (%%"REG_S"), %%xmm0\n\t" //buf[p] - "movhps 8(%%"REG_S"), %%xmm2\n\t" //buf[q] - "addps %%xmm1, %%xmm0 \n\t" - "subps %%xmm2, %%xmm0 \n\t" - "movaps %%xmm0, (%%"REG_S")\n\t" - "add $16, %%"REG_S" \n\t" - "cmp %1, %%"REG_S" \n\t" - " jb 1b \n\t" - :: "g" (buf), "r" (buf + 128) - : "%"REG_S - ); - - /* 2. iteration */ - // Note w[1]={{1,0}, {0,-1}} - __asm__ volatile( - "movaps "MANGLE(ps111_1)", %%xmm7\n\t" // 1,1,1,-1 - "mov %0, %%"REG_S" \n\t" - ASMALIGN(4) - "1: \n\t" - "movaps 16(%%"REG_S"), %%xmm2 \n\t" //r2,i2,r3,i3 - "shufps $0xB4, %%xmm2, %%xmm2 \n\t" //r2,i2,i3,r3 - "mulps %%xmm7, %%xmm2 \n\t" //r2,i2,i3,-r3 - "movaps (%%"REG_S"), %%xmm0 \n\t" //r0,i0,r1,i1 - "movaps (%%"REG_S"), %%xmm1 \n\t" //r0,i0,r1,i1 - "addps %%xmm2, %%xmm0 \n\t" - "subps %%xmm2, %%xmm1 \n\t" - "movaps %%xmm0, (%%"REG_S") \n\t" - "movaps %%xmm1, 16(%%"REG_S") \n\t" - "add $32, %%"REG_S" \n\t" - "cmp %1, %%"REG_S" \n\t" - " jb 1b \n\t" - :: "g" (buf), "r" (buf + 128) - : "%"REG_S - ); - - /* 3. iteration */ -/* - Note sseW2+0={1,1,sqrt(2),sqrt(2)) - Note sseW2+16={0,0,sqrt(2),-sqrt(2)) - Note sseW2+32={0,0,-sqrt(2),-sqrt(2)) - Note sseW2+48={1,-1,sqrt(2),-sqrt(2)) -*/ - __asm__ volatile( - "movaps 48+"MANGLE(sseW2)", %%xmm6\n\t" - "movaps 16+"MANGLE(sseW2)", %%xmm7\n\t" - "xorps %%xmm5, %%xmm5 \n\t" - "xorps %%xmm2, %%xmm2 \n\t" - "mov %0, %%"REG_S" \n\t" - ASMALIGN(4) - "1: \n\t" - "movaps 32(%%"REG_S"), %%xmm2 \n\t" //r4,i4,r5,i5 - "movaps 48(%%"REG_S"), %%xmm3 \n\t" //r6,i6,r7,i7 - "movaps "MANGLE(sseW2)", %%xmm4 \n\t" //r4,i4,r5,i5 - "movaps 32+"MANGLE(sseW2)", %%xmm5\n\t" //r6,i6,r7,i7 - "mulps %%xmm2, %%xmm4 \n\t" - "mulps %%xmm3, %%xmm5 \n\t" - "shufps $0xB1, %%xmm2, %%xmm2 \n\t" //i4,r4,i5,r5 - "shufps $0xB1, %%xmm3, %%xmm3 \n\t" //i6,r6,i7,r7 - "mulps %%xmm6, %%xmm3 \n\t" - "mulps %%xmm7, %%xmm2 \n\t" - "movaps (%%"REG_S"), %%xmm0 \n\t" //r0,i0,r1,i1 - "movaps 16(%%"REG_S"), %%xmm1 \n\t" //r2,i2,r3,i3 - "addps %%xmm4, %%xmm2 \n\t" - "addps %%xmm5, %%xmm3 \n\t" - "movaps %%xmm2, %%xmm4 \n\t" - "movaps %%xmm3, %%xmm5 \n\t" - "addps %%xmm0, %%xmm2 \n\t" - "addps %%xmm1, %%xmm3 \n\t" - "subps %%xmm4, %%xmm0 \n\t" - "subps %%xmm5, %%xmm1 \n\t" - "movaps %%xmm2, (%%"REG_S") \n\t" - "movaps %%xmm3, 16(%%"REG_S") \n\t" - "movaps %%xmm0, 32(%%"REG_S") \n\t" - "movaps %%xmm1, 48(%%"REG_S") \n\t" - "add $64, %%"REG_S" \n\t" - "cmp %1, %%"REG_S" \n\t" - " jb 1b \n\t" - :: "g" (buf), "r" (buf + 128) - : "%"REG_S - ); - - /* 4-7. iterations */ - for (m=3; m < 7; m++) { - two_m = (1 << m); - two_m_plus_one = two_m<<1; - two_m_plus_one_shl3 = (two_m_plus_one<<3); - buf_offset = buf+128; - __asm__ volatile( - "mov %0, %%"REG_S" \n\t" - ASMALIGN(4) - "1: \n\t" - "xor %%"REG_D", %%"REG_D" \n\t" // k - "lea (%%"REG_S", %3), %%"REG_d" \n\t" - "2: \n\t" - "movaps (%%"REG_d", %%"REG_D"), %%xmm1 \n\t" - "movaps (%4, %%"REG_D", 2), %%xmm2 \n\t" - "mulps %%xmm1, %%xmm2 \n\t" - "shufps $0xB1, %%xmm1, %%xmm1 \n\t" - "mulps 16(%4, %%"REG_D", 2), %%xmm1 \n\t" - "movaps (%%"REG_S", %%"REG_D"), %%xmm0 \n\t" - "addps %%xmm2, %%xmm1 \n\t" - "movaps %%xmm1, %%xmm2 \n\t" - "addps %%xmm0, %%xmm1 \n\t" - "subps %%xmm2, %%xmm0 \n\t" - "movaps %%xmm1, (%%"REG_S", %%"REG_D") \n\t" - "movaps %%xmm0, (%%"REG_d", %%"REG_D") \n\t" - "add $16, %%"REG_D" \n\t" - "cmp %3, %%"REG_D" \n\t" //FIXME (opt) count against 0 - "jb 2b \n\t" - "add %2, %%"REG_S" \n\t" - "cmp %1, %%"REG_S" \n\t" - " jb 1b \n\t" - :: "g" (buf), "m" (buf_offset), "m" (two_m_plus_one_shl3), "r" (two_m<<3), - "r" (sseW[m]) - : "%"REG_S, "%"REG_D, "%"REG_d - ); - } - - /* Post IFFT complex multiply plus IFFT complex conjugate*/ - __asm__ volatile( - "mov $-1024, %%"REG_S" \n\t" - ASMALIGN(4) - "1: \n\t" - "movaps (%0, %%"REG_S"), %%xmm0 \n\t" - "movaps (%0, %%"REG_S"), %%xmm1 \n\t" - "shufps $0xB1, %%xmm0, %%xmm0 \n\t" - "mulps 1024+"MANGLE(sseSinCos1c)"(%%"REG_S"), %%xmm1\n\t" - "mulps 1024+"MANGLE(sseSinCos1d)"(%%"REG_S"), %%xmm0\n\t" - "addps %%xmm1, %%xmm0 \n\t" - "movaps %%xmm0, (%0, %%"REG_S") \n\t" - "add $16, %%"REG_S" \n\t" - " jnz 1b \n\t" - :: "r" (buf+128) - : "%"REG_S - ); - - - data_ptr = data; - delay_ptr = delay; - window_ptr = a52_imdct_window; - - /* Window and convert to real valued signal */ - __asm__ volatile( - "xor %%"REG_D", %%"REG_D" \n\t" // 0 - "xor %%"REG_S", %%"REG_S" \n\t" // 0 - "movss %3, %%xmm2 \n\t" // bias - "shufps $0x00, %%xmm2, %%xmm2 \n\t" // bias, bias, ... - ASMALIGN(4) - "1: \n\t" - "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? A ? - "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? C ? - "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // ? D C ? - "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // ? B A ? - "shufps $0x99, %%xmm1, %%xmm0 \n\t" // D C B A - "mulps "MANGLE(sseWindow)"(%%"REG_S"), %%xmm0\n\t" - "addps (%2, %%"REG_S"), %%xmm0 \n\t" - "addps %%xmm2, %%xmm0 \n\t" - "movaps %%xmm0, (%1, %%"REG_S") \n\t" - "add $16, %%"REG_S" \n\t" - "sub $16, %%"REG_D" \n\t" - "cmp $512, %%"REG_S" \n\t" - " jb 1b \n\t" - :: "r" (buf+64), "r" (data_ptr), "r" (delay_ptr), "m" (bias) - : "%"REG_S, "%"REG_D - ); - data_ptr+=128; - delay_ptr+=128; -// window_ptr+=128; - - __asm__ volatile( - "mov $1024, %%"REG_D" \n\t" // 512 - "xor %%"REG_S", %%"REG_S" \n\t" // 0 - "movss %3, %%xmm2 \n\t" // bias - "shufps $0x00, %%xmm2, %%xmm2 \n\t" // bias, bias, ... - ASMALIGN(4) - "1: \n\t" - "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? ? A - "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? ? C - "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // D ? ? C - "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // B ? ? A - "shufps $0xCC, %%xmm1, %%xmm0 \n\t" // D C B A - "mulps 512+"MANGLE(sseWindow)"(%%"REG_S"), %%xmm0\n\t" - "addps (%2, %%"REG_S"), %%xmm0 \n\t" - "addps %%xmm2, %%xmm0 \n\t" - "movaps %%xmm0, (%1, %%"REG_S") \n\t" - "add $16, %%"REG_S" \n\t" - "sub $16, %%"REG_D" \n\t" - "cmp $512, %%"REG_S" \n\t" - " jb 1b \n\t" - :: "r" (buf), "r" (data_ptr), "r" (delay_ptr), "m" (bias) - : "%"REG_S, "%"REG_D - ); - data_ptr+=128; -// window_ptr+=128; - - /* The trailing edge of the window goes into the delay line */ - delay_ptr = delay; - - __asm__ volatile( - "xor %%"REG_D", %%"REG_D" \n\t" // 0 - "xor %%"REG_S", %%"REG_S" \n\t" // 0 - ASMALIGN(4) - "1: \n\t" - "movlps (%0, %%"REG_S"), %%xmm0 \n\t" // ? ? ? A - "movlps 8(%0, %%"REG_S"), %%xmm1 \n\t" // ? ? ? C - "movhps -16(%0, %%"REG_D"), %%xmm1 \n\t" // D ? ? C - "movhps -8(%0, %%"REG_D"), %%xmm0 \n\t" // B ? ? A - "shufps $0xCC, %%xmm1 |