[FFmpeg-devel] [PATCH 11/14] libavcodec: Implementation of AAC_fixed_decoder (PS-module) [2/4]
Nedeljko Babic
nedeljko.babic at imgtec.com
Fri Aug 1 15:53:17 CEST 2014
From: Jovan Zelincevic <jovan.zelincevic at imgtec.com>
Add fixed point implementation of functions for generating tables.
Signed-off-by: Nedeljko Babic <nedeljko.babic at imgtec.com>
---
libavcodec/aacps_fixed_tablegen.c | 94 +++++++++
libavcodec/aacps_fixed_tablegen.h | 429 ++++++++++++++++++++++++++++++++++++++
2 files changed, 523 insertions(+)
create mode 100644 libavcodec/aacps_fixed_tablegen.c
create mode 100644 libavcodec/aacps_fixed_tablegen.h
diff --git a/libavcodec/aacps_fixed_tablegen.c b/libavcodec/aacps_fixed_tablegen.c
new file mode 100644
index 0000000..b2fda6e
--- /dev/null
+++ b/libavcodec/aacps_fixed_tablegen.c
@@ -0,0 +1,94 @@
+/*
+ * Generate a header file for hardcoded Parametric Stereo tables
+ *
+ * Copyright (c) 2010 Alex Converse <alex.converse at gmail.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdlib.h>
+#define CONFIG_HARDCODED_TABLES 0
+
+#include "aacps_fixed_tablegen.h"
+#include "tableprint.h"
+
+void write_int32_t_3d_array (const void *p, int b, int c, int d)
+{
+ int i;
+ const int32_t *f = p;
+ for (i = 0; i < b; i++) {
+ printf("{\n");
+ write_uint32_t_2d_array(f, c, d);
+ printf("},\n");
+ f += c * d;
+ }
+}
+
+void write_int32_t_4d_array (const void *p, int a, int b, int c, int d)
+{
+ int i;
+ const int32_t *f = p;
+ for (i = 0; i < a; i++) {
+ printf("{\n");
+ write_int32_t_3d_array(f, b, c, d);
+ printf("},\n");
+ f += b * c * d;
+ }
+}
+
+int main(void)
+{
+ ps_tableinit();
+
+ write_fileheader();
+
+ printf("static const int32_t pd_re_smooth[8*8*8] = {\n");
+ write_int32_t_array(pd_re_smooth, 8*8*8);
+ printf("};\n");
+ printf("static const int32_t pd_im_smooth[8*8*8] = {\n");
+ write_int32_t_array(pd_im_smooth, 8*8*8);
+ printf("};\n");
+
+ printf("static const int32_t HA[46][8][4] = {\n");
+ write_int32_t_3d_array(HA, 46, 8, 4);
+ printf("};\n");
+ printf("static const int32_t HB[46][8][4] = {\n");
+ write_int32_t_3d_array(HB, 46, 8, 4);
+ printf("};\n");
+
+ printf("static const DECLARE_ALIGNED(16, int32_t, f20_0_8)[8][8][2] = {\n");
+ write_int32_t_3d_array(f20_0_8, 8, 8, 2);
+ printf("};\n");
+ printf("static const DECLARE_ALIGNED(16, int32_t, f34_0_12)[12][8][2] = {\n");
+ write_int32_t_3d_array(f34_0_12, 12, 8, 2);
+ printf("};\n");
+ printf("static const DECLARE_ALIGNED(16, int32_t, f34_1_8)[8][8][2] = {\n");
+ write_int32_t_3d_array(f34_1_8, 8, 8, 2);
+ printf("};\n");
+ printf("static const DECLARE_ALIGNED(16, int32_t, f34_2_4)[4][8][2] = {\n");
+ write_int32_t_3d_array(f34_2_4, 4, 8, 2);
+ printf("};\n");
+
+ printf("static const DECLARE_ALIGNED(16, int32_t, Q_fract_allpass)[2][50][3][2] = {\n");
+ write_int32_t_4d_array(Q_fract_allpass, 2, 50, 3, 2);
+ printf("};\n");
+ printf("static const DECLARE_ALIGNED(16, int32_t, phi_fract)[2][50][2] = {\n");
+ write_int32_t_3d_array(phi_fract, 2, 50, 2);
+ printf("};\n");
+
+ return 0;
+}
diff --git a/libavcodec/aacps_fixed_tablegen.h b/libavcodec/aacps_fixed_tablegen.h
new file mode 100644
index 0000000..ffb0007
--- /dev/null
+++ b/libavcodec/aacps_fixed_tablegen.h
@@ -0,0 +1,429 @@
+/*
+ * Header file for hardcoded Parametric Stereo tables
+ *
+ * Copyright (c) 2010 Alex Converse <alex.converse at gmail.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AACPS_TABLEGEN_FIXED_H
+#define AACPS_TABLEGEN_FIXED_H
+
+#include <math.h>
+#include <stdint.h>
+
+#if CONFIG_HARDCODED_TABLES
+#define ps_tableinit()
+#define TABLE_CONST const
+#include "libavcodec/aacps_fixed_tables.h"
+#else
+#include "libavutil/common.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/mem.h"
+
+#include "float_emu.h"
+#include "float_emu_tab.c"
+#define NR_ALLPASS_BANDS20 30
+#define NR_ALLPASS_BANDS34 50
+#define PS_AP_LINKS 3
+#define TABLE_CONST
+#define Q30(x) (int)((x)*1073741824.0 + 0.5)
+#define Q31(x) (int)((x)*2147483648.0 + 0.5)
+static int pd_re_smooth[8*8*8];
+static int pd_im_smooth[8*8*8];
+static int HA[46][8][4];
+static int HB[46][8][4];
+static DECLARE_ALIGNED(16, int, f20_0_8) [ 8][8][2];
+static DECLARE_ALIGNED(16, int, f34_0_12)[12][8][2];
+static DECLARE_ALIGNED(16, int, f34_1_8) [ 8][8][2];
+static DECLARE_ALIGNED(16, int, f34_2_4) [ 4][8][2];
+static DECLARE_ALIGNED(16, int, Q_fract_allpass)[2][50][3][2];
+static DECLARE_ALIGNED(16, int, phi_fract)[2][50][2];
+
+static const int g0_Q8[] = {
+ Q31(0.00746082949812f), Q31(0.02270420949825f), Q31(0.04546865930473f), Q31(0.07266113929591f),
+ Q31(0.09885108575264f), Q31(0.11793710567217f), Q31(0.125f)
+};
+
+static const int g0_Q12[] = {
+ Q31(0.04081179924692f), Q31(0.03812810994926f), Q31(0.05144908135699f), Q31(0.06399831151592f),
+ Q31(0.07428313801106f), Q31(0.08100347892914f), Q31(0.08333333333333f)
+};
+
+static const int g1_Q8[] = {
+ Q31(0.01565675600122f), Q31(0.03752716391991f), Q31(0.05417891378782f), Q31(0.08417044116767f),
+ Q31(0.10307344158036f), Q31(0.12222452249753f), Q31(0.125f)
+};
+
+static const int g2_Q4[] = {
+ Q31(-0.05908211155639f), Q31(-0.04871498374946f), Q31(0.0f), Q31(0.07778723915851f),
+ Q31( 0.16486303567403f), Q31( 0.23279856662996f), Q31(0.25f)
+};
+
+static const int sintbl_4[4] = { 0, 1073741824, 0, -1073741824 };
+static const int costbl_4[4] = { 1073741824, 0, -1073741824, 0 };
+static const int sintbl_8[8] = { 0, 759250125, 1073741824, 759250125,
+ 0, -759250125, -1073741824, -759250125 };
+static const int costbl_8[8] = { 1073741824, 759250125, 0, -759250125,
+ -1073741824, -759250125, 0, 759250125 };
+static const int sintbl_12[12] = { 0, 536870912, 929887697, 1073741824,
+ 929887697, 536870912, 0, -536870912,
+ -929887697, -1073741824, -929887697, -536870912 };
+static const int costbl_12[12] = { 1073741824, 929887697, 536870912, 0,
+ -536870912, -929887697, -1073741824, -929887697,
+ -536870912, 0, 536870912, 929887697 };
+
+static void make_filters_from_proto(int (*filter)[8][2], const int *proto, int bands)
+{
+
+ const int *sinptr, *cosptr;
+ int s, c, sinhalf, coshalf;
+ int q, n;
+ long long accu;
+
+ if (bands == 4) {
+ sinptr = sintbl_4;
+ cosptr = costbl_4;
+ sinhalf = 759250125;
+ coshalf = 759250125;
+ } else if (bands == 8) {
+ sinptr = sintbl_8;
+ cosptr = costbl_8;
+ sinhalf = 410903207;
+ coshalf = 992008094;
+ } else {
+ sinptr = sintbl_12;
+ cosptr = costbl_12;
+ sinhalf = 277904834;
+ coshalf = 1037154959;
+ }
+
+ for (q = 0; q < bands; q++) {
+ for (n = 0; n < 7; n++) {
+ int theta = (q*(n-6) + (n>>1) - 3) % bands;
+
+ if (theta < 0)
+ theta += bands;
+ s = sinptr[theta];
+ c = cosptr[theta];
+
+ if (n & 1) {
+ accu = (long long)c * coshalf;
+ accu -= (long long)s * sinhalf;
+ theta = (int)((accu + 0x20000000) >> 30);
+
+ accu = (long long)s * coshalf;
+ accu += (long long)c * sinhalf;
+ s = (int)((accu + 0x20000000) >> 30);
+ c = theta;
+ }
+ accu = (long long)proto[n] * c;
+ filter[q][n][0] = (int)((accu + 0x20000000) >> 30);
+
+ accu = (long long)proto[n] * s;
+ filter[q][n][1] = -(int)((accu + 0x20000000) >> 30);
+ }
+ }
+}
+
+static void ps_tableinit(void)
+{
+ static const int ipdopd_sin[] = { Q30(0), Q30(M_SQRT1_2), Q30(1), Q30( M_SQRT1_2), Q30( 0), Q30(-M_SQRT1_2), Q30(-1), Q30(-M_SQRT1_2) };
+ static const int ipdopd_cos[] = { Q30(1), Q30(M_SQRT1_2), Q30(0), Q30(-M_SQRT1_2), Q30(-1), Q30(-M_SQRT1_2), Q30( 0), Q30( M_SQRT1_2) };
+ int pd0, pd1, pd2;
+ int idx;
+
+ static const int alpha_tab[] =
+ {
+ Q30(1.5146213770f/M_PI), Q30(1.5181334019f/M_PI), Q30(1.5234849453f/M_PI), Q30(1.5369486809f/M_PI), Q30(1.5500687361f/M_PI), Q30(1.5679757595f/M_PI),
+ Q30(1.4455626011f/M_PI), Q30(1.4531552792f/M_PI), Q30(1.4648091793f/M_PI), Q30(1.4945238829f/M_PI), Q30(1.5239057541f/M_PI), Q30(1.5644006729f/M_PI),
+ Q30(1.3738563061f/M_PI), Q30(1.3851221800f/M_PI), Q30(1.4026404619f/M_PI), Q30(1.4484288692f/M_PI), Q30(1.4949874878f/M_PI), Q30(1.5604078770f/M_PI),
+ Q30(1.2645189762f/M_PI), Q30(1.2796478271f/M_PI), Q30(1.3038636446f/M_PI), Q30(1.3710125685f/M_PI), Q30(1.4443849325f/M_PI), Q30(1.5532352924f/M_PI),
+ Q30(1.1507037878f/M_PI), Q30(1.1669205427f/M_PI), Q30(1.1938756704f/M_PI), Q30(1.2754167318f/M_PI), Q30(1.3761177063f/M_PI), Q30(1.5429240465f/M_PI),
+ Q30(1.0079245567f/M_PI), Q30(1.0208238363f/M_PI), Q30(1.0433073044f/M_PI), Q30(1.1208510399f/M_PI), Q30(1.2424604893f/M_PI), Q30(1.5185726881f/M_PI),
+ Q30(0.8995233774f/M_PI), Q30(0.9069069624f/M_PI), Q30(0.9201194048f/M_PI), Q30(0.9698365927f/M_PI), Q30(1.0671583414f/M_PI), Q30(1.4647934437f/M_PI),
+ Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI),
+ Q30(0.6712729335f/M_PI), Q30(0.6638893485f/M_PI), Q30(0.6506769061f/M_PI), Q30(0.6009597182f/M_PI), Q30(0.5036380291f/M_PI), Q30(0.1060028747f/M_PI),
+ Q30(0.5628717542f/M_PI), Q30(0.5499725342f/M_PI), Q30(0.5274890065f/M_PI), Q30(0.4499453008f/M_PI), Q30(0.3283358216f/M_PI), Q30(0.0522236861f/M_PI),
+ Q30(0.4200925827f/M_PI), Q30(0.4038758278f/M_PI), Q30(0.3769206405f/M_PI), Q30(0.2953795493f/M_PI), Q30(0.1946786791f/M_PI), Q30(0.0278722942f/M_PI),
+ Q30(0.3062773645f/M_PI), Q30(0.2911485136f/M_PI), Q30(0.2669326365f/M_PI), Q30(0.1997837722f/M_PI), Q30(0.1264114529f/M_PI), Q30(0.0175609849f/M_PI),
+ Q30(0.1969399750f/M_PI), Q30(0.1856741160f/M_PI), Q30(0.1681558639f/M_PI), Q30(0.1223674342f/M_PI), Q30(0.0758088827f/M_PI), Q30(0.0103884479f/M_PI),
+ Q30(0.1252337098f/M_PI), Q30(0.1176410317f/M_PI), Q30(0.1059871912f/M_PI), Q30(0.0762724727f/M_PI), Q30(0.0468905345f/M_PI), Q30(0.0063956482f/M_PI),
+ Q30(0.0561749674f/M_PI), Q30(0.0526629239f/M_PI), Q30(0.0473113805f/M_PI), Q30(0.0338476151f/M_PI), Q30(0.0207276177f/M_PI), Q30(0.0028205961f/M_PI),
+ Q30(1.5676341057f/M_PI), Q30(1.5678333044f/M_PI), Q30(1.5681363344f/M_PI), Q30(1.5688960552f/M_PI), Q30(1.5696337223f/M_PI), Q30(1.5706381798f/M_PI),
+ Q30(1.5651730299f/M_PI), Q30(1.5655272007f/M_PI), Q30(1.5660660267f/M_PI), Q30(1.5674170256f/M_PI), Q30(1.5687289238f/M_PI), Q30(1.5705151558f/M_PI),
+ Q30(1.5607966185f/M_PI), Q30(1.5614265203f/M_PI), Q30(1.5623844862f/M_PI), Q30(1.5647867918f/M_PI), Q30(1.5671195984f/M_PI), Q30(1.5702962875f/M_PI),
+ Q30(1.5530153513f/M_PI), Q30(1.5541347265f/M_PI), Q30(1.5558375120f/M_PI), Q30(1.5601085424f/M_PI), Q30(1.5642569065f/M_PI), Q30(1.5699069500f/M_PI),
+ Q30(1.5391840935f/M_PI), Q30(1.5411708355f/M_PI), Q30(1.5441943407f/M_PI), Q30(1.5517836809f/M_PI), Q30(1.5591609478f/M_PI), Q30(1.5692136288f/M_PI),
+ Q30(1.5146213770f/M_PI), Q30(1.5181334019f/M_PI), Q30(1.5234849453f/M_PI), Q30(1.5369486809f/M_PI), Q30(1.5500687361f/M_PI), Q30(1.5679757595f/M_PI),
+ Q30(1.4915299416f/M_PI), Q30(1.4964480400f/M_PI), Q30(1.5039558411f/M_PI), Q30(1.5229074955f/M_PI), Q30(1.5414420366f/M_PI), Q30(1.5667995214f/M_PI),
+ Q30(1.4590617418f/M_PI), Q30(1.4658898115f/M_PI), Q30(1.4763505459f/M_PI), Q30(1.5029321909f/M_PI), Q30(1.5291173458f/M_PI), Q30(1.5651149750f/M_PI),
+ Q30(1.4136143923f/M_PI), Q30(1.4229322672f/M_PI), Q30(1.4373078346f/M_PI), Q30(1.4743183851f/M_PI), Q30(1.5113102198f/M_PI), Q30(1.5626684427f/M_PI),
+ Q30(1.3505556583f/M_PI), Q30(1.3628427982f/M_PI), Q30(1.3820509911f/M_PI), Q30(1.4327841997f/M_PI), Q30(1.4850014448f/M_PI), Q30(1.5590143204f/M_PI),
+ Q30(1.2645189762f/M_PI), Q30(1.2796478271f/M_PI), Q30(1.3038636446f/M_PI), Q30(1.3710125685f/M_PI), Q30(1.4443849325f/M_PI), Q30(1.5532352924f/M_PI),
+ Q30(1.1919227839f/M_PI), Q30(1.2081253529f/M_PI), Q30(1.2346779108f/M_PI), Q30(1.3123005629f/M_PI), Q30(1.4034168720f/M_PI), Q30(1.5471596718f/M_PI),
+ Q30(1.1061993837f/M_PI), Q30(1.1219338179f/M_PI), Q30(1.1484941244f/M_PI), Q30(1.2320860624f/M_PI), Q30(1.3421301842f/M_PI), Q30(1.5373806953f/M_PI),
+ Q30(1.0079245567f/M_PI), Q30(1.0208238363f/M_PI), Q30(1.0433073044f/M_PI), Q30(1.1208510399f/M_PI), Q30(1.2424604893f/M_PI), Q30(1.5185726881f/M_PI),
+ Q30(0.8995233774f/M_PI), Q30(0.9069069624f/M_PI), Q30(0.9201194048f/M_PI), Q30(0.9698365927f/M_PI), Q30(1.0671583414f/M_PI), Q30(1.4647934437f/M_PI),
+ Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI),
+ Q30(0.6712729335f/M_PI), Q30(0.6638893485f/M_PI), Q30(0.6506769061f/M_PI), Q30(0.6009597182f/M_PI), Q30(0.5036380291f/M_PI), Q30(0.1060028747f/M_PI),
+ Q30(0.5628717542f/M_PI), Q30(0.5499725342f/M_PI), Q30(0.5274890065f/M_PI), Q30(0.4499453008f/M_PI), Q30(0.3283358216f/M_PI), Q30(0.0522236861f/M_PI),
+ Q30(0.4645969570f/M_PI), Q30(0.4488625824f/M_PI), Q30(0.4223022461f/M_PI), Q30(0.3387103081f/M_PI), Q30(0.2286661267f/M_PI), Q30(0.0334156826f/M_PI),
+ Q30(0.3788735867f/M_PI), Q30(0.3626709878f/M_PI), Q30(0.3361184299f/M_PI), Q30(0.2584958076f/M_PI), Q30(0.1673794836f/M_PI), Q30(0.0236366931f/M_PI),
+ Q30(0.3062773645f/M_PI), Q30(0.2911485136f/M_PI), Q30(0.2669326365f/M_PI), Q30(0.1997837722f/M_PI), Q30(0.1264114529f/M_PI), Q30(0.0175609849f/M_PI),
+ Q30(0.2202406377f/M_PI), Q30(0.2079535723f/M_PI), Q30(0.1887452900f/M_PI), Q30(0.1380121708f/M_PI), Q30(0.0857949182f/M_PI), Q30(0.0117820343f/M_PI),
+ Q30(0.1571819335f/M_PI), Q30(0.1478640437f/M_PI), Q30(0.1334884763f/M_PI), Q30(0.0964778885f/M_PI), Q30(0.0594860613f/M_PI), Q30(0.0081279324f/M_PI),
+ Q30(0.1117345318f/M_PI), Q30(0.1049065739f/M_PI), Q30(0.0944457650f/M_PI), Q30(0.0678641573f/M_PI), Q30(0.0416790098f/M_PI), Q30(0.0056813755f/M_PI),
+ Q30(0.0792663917f/M_PI), Q30(0.0743482932f/M_PI), Q30(0.0668405443f/M_PI), Q30(0.0478888862f/M_PI), Q30(0.0293543357f/M_PI), Q30(0.0039967746f/M_PI),
+ Q30(0.0561749674f/M_PI), Q30(0.0526629239f/M_PI), Q30(0.0473113805f/M_PI), Q30(0.0338476151f/M_PI), Q30(0.0207276177f/M_PI), Q30(0.0028205961f/M_PI),
+ Q30(0.0316122435f/M_PI), Q30(0.0296254847f/M_PI), Q30(0.0266019460f/M_PI), Q30(0.0190126132f/M_PI), Q30(0.0116353342f/M_PI), Q30(0.0015827164f/M_PI),
+ Q30(0.0177809205f/M_PI), Q30(0.0166615788f/M_PI), Q30(0.0149587989f/M_PI), Q30(0.0106877899f/M_PI), Q30(0.0065393616f/M_PI), Q30(0.0008894200f/M_PI),
+ Q30(0.0099996664f/M_PI), Q30(0.0093698399f/M_PI), Q30(0.0084118480f/M_PI), Q30(0.0060095116f/M_PI), Q30(0.0036767013f/M_PI), Q30(0.0005000498f/M_PI),
+ Q30(0.0056233541f/M_PI), Q30(0.0052691097f/M_PI), Q30(0.0047303112f/M_PI), Q30(0.0033792770f/M_PI), Q30(0.0020674451f/M_PI), Q30(0.0002811795f/M_PI),
+ Q30(0.0031622672f/M_PI), Q30(0.0029630491f/M_PI), Q30(0.0026600463f/M_PI), Q30(0.0019002859f/M_PI), Q30(0.0011625893f/M_PI), Q30(0.0001581155f/M_PI)
+ };
+
+ static const int gamma_tab[] =
+ {
+ Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0433459543f/M_PI), Q30(0.0672172382f/M_PI), Q30(0.0997167900f/M_PI), Q30(0.1162951663f/M_PI), Q30(0.1250736862f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0672341362f/M_PI), Q30(0.1045235619f/M_PI), Q30(0.1558904350f/M_PI), Q30(0.1824723780f/M_PI), Q30(0.1966800541f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1315985769f/M_PI), Q30(0.2072522491f/M_PI), Q30(0.3188187480f/M_PI), Q30(0.3825501204f/M_PI), Q30(0.4193951190f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1784276664f/M_PI), Q30(0.2856673002f/M_PI), Q30(0.4630723596f/M_PI), Q30(0.5971632004f/M_PI), Q30(0.7603877187f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1315985769f/M_PI), Q30(0.2072522491f/M_PI), Q30(0.3188187480f/M_PI), Q30(0.3825501204f/M_PI), Q30(0.4193951190f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0672341362f/M_PI), Q30(0.1045235619f/M_PI), Q30(0.1558904350f/M_PI), Q30(0.1824723780f/M_PI), Q30(0.1966800541f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0433459543f/M_PI), Q30(0.0672172382f/M_PI), Q30(0.0997167900f/M_PI), Q30(0.1162951663f/M_PI), Q30(0.1250736862f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0011053939f/M_PI), Q30(0.0017089852f/M_PI), Q30(0.0025254129f/M_PI), Q30(0.0029398468f/M_PI), Q30(0.0031597170f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0019607407f/M_PI), Q30(0.0030395309f/M_PI), Q30(0.0044951206f/M_PI), Q30(0.0052305623f/M_PI), Q30(0.0056152637f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0034913034f/M_PI), Q30(0.0054070661f/M_PI), Q30(0.0079917293f/M_PI), Q30(0.0092999367f/M_PI), Q30(0.0099875759f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0062100487f/M_PI), Q30(0.0096135242f/M_PI), Q30(0.0142110568f/M_PI), Q30(0.0165348612f/M_PI), Q30(0.0177587029f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0110366223f/M_PI), Q30(0.0170863140f/M_PI), Q30(0.0252620988f/M_PI), Q30(0.0293955617f/M_PI), Q30(0.0315726399f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0275881495f/M_PI), Q30(0.0427365713f/M_PI), Q30(0.0632618815f/M_PI), Q30(0.0736731067f/M_PI), Q30(0.0791663304f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0387469754f/M_PI), Q30(0.0600636788f/M_PI), Q30(0.0890387669f/M_PI), Q30(0.1037906483f/M_PI), Q30(0.1115923747f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0541138873f/M_PI), Q30(0.0839984417f/M_PI), Q30(0.1248718798f/M_PI), Q30(0.1458375156f/M_PI), Q30(0.1569785923f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0747506917f/M_PI), Q30(0.1163287833f/M_PI), Q30(0.1738867164f/M_PI), Q30(0.2038587779f/M_PI), Q30(0.2199459076f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1212290376f/M_PI), Q30(0.1903949380f/M_PI), Q30(0.2907958031f/M_PI), Q30(0.3466993868f/M_PI), Q30(0.3782821596f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1418247074f/M_PI), Q30(0.2240308374f/M_PI), Q30(0.3474813402f/M_PI), Q30(0.4202919006f/M_PI), Q30(0.4637607038f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1784276664f/M_PI), Q30(0.2856673002f/M_PI), Q30(0.4630723596f/M_PI), Q30(0.5971632004f/M_PI), Q30(0.7603877187f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1418247074f/M_PI), Q30(0.2240308374f/M_PI), Q30(0.3474813402f/M_PI), Q30(0.4202919006f/M_PI), Q30(0.4637607038f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1212290376f/M_PI), Q30(0.1903949380f/M_PI), Q30(0.2907958031f/M_PI), Q30(0.3466993868f/M_PI), Q30(0.3782821596f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0747506917f/M_PI), Q30(0.1163287833f/M_PI), Q30(0.1738867164f/M_PI), Q30(0.2038587779f/M_PI), Q30(0.2199459076f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0541138873f/M_PI), Q30(0.0839984417f/M_PI), Q30(0.1248718798f/M_PI), Q30(0.1458375156f/M_PI), Q30(0.1569785923f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0387469754f/M_PI), Q30(0.0600636788f/M_PI), Q30(0.0890387669f/M_PI), Q30(0.1037906483f/M_PI), Q30(0.1115923747f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0275881495f/M_PI), Q30(0.0427365713f/M_PI), Q30(0.0632618815f/M_PI), Q30(0.0736731067f/M_PI), Q30(0.0791663304f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0110366223f/M_PI), Q30(0.0170863140f/M_PI), Q30(0.0252620988f/M_PI), Q30(0.0293955617f/M_PI), Q30(0.0315726399f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0062100487f/M_PI), Q30(0.0096135242f/M_PI), Q30(0.0142110568f/M_PI), Q30(0.0165348612f/M_PI), Q30(0.0177587029f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0034913034f/M_PI), Q30(0.0054070661f/M_PI), Q30(0.0079917293f/M_PI), Q30(0.0092999367f/M_PI), Q30(0.0099875759f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0019607407f/M_PI), Q30(0.0030395309f/M_PI), Q30(0.0044951206f/M_PI), Q30(0.0052305623f/M_PI), Q30(0.0056152637f/M_PI),
+ Q30(0.0000000000f/M_PI), Q30(0.0011053939f/M_PI), Q30(0.0017089852f/M_PI), Q30(0.0025254129f/M_PI), Q30(0.0029398468f/M_PI), Q30(0.0031597170f/M_PI)
+ };
+
+ static const int iid_par_dequant_c1[] = {
+ //iid_par_dequant_default
+ Q30(1.41198278375959f), Q30(1.40313815268360f), Q30(1.38687670404960f), Q30(1.34839972492648f),
+ Q30(1.29124937110028f), Q30(1.19603741667993f), Q30(1.10737240362323f), Q30(1),
+ Q30(0.87961716655242f), Q30(0.75464859232732f), Q30(0.57677990744575f), Q30(0.42640143271122f),
+ Q30(0.27671828230984f), Q30(0.17664462766713f), Q30(0.07940162697653f),
+ //iid_par_dequant_fine
+ Q30(1.41420649135832f), Q30(1.41419120222364f), Q30(1.41414285699784f), Q30(1.41399000859438f),
+ Q30(1.41350698548044f), Q30(1.41198278375959f), Q30(1.40977302262355f), Q30(1.40539479488545f),
+ Q30(1.39677960498402f), Q30(1.38005309967827f), Q30(1.34839972492648f), Q30(1.31392017367631f),
+ Q30(1.26431008149654f), Q30(1.19603741667993f), Q30(1.10737240362323f), Q30(1),
+ Q30(0.87961716655242f), Q30(0.75464859232732f), Q30(0.63365607219232f), Q30(0.52308104267543f),
+ Q30(0.42640143271122f), Q30(0.30895540465965f), Q30(0.22137464873077f), Q30(0.15768788954414f),
+ Q30(0.11198225164225f), Q30(0.07940162697653f), Q30(0.04469901562677f), Q30(0.02514469318284f),
+ Q30(0.01414142856998f), Q30(0.00795258154731f), Q30(0.00447211359449f),
+ };
+
+ static const int acos_icc_invq[] = {
+ Q31(0), Q31(0.178427635f/M_PI), Q31(0.28566733f/M_PI), Q31(0.46307236f/M_PI), Q31(0.59716315f/M_PI), Q31(0.78539816f/M_PI), Q31(1.10030855f/M_PI), Q31(1.57079633f/M_PI)
+ };
+ int iid, icc;
+
+ int k, m;
+ static const int8_t f_center_20[] = {
+ -3, -1, 1, 3, 5, 7, 10, 14, 18, 22,
+ };
+ static const int32_t f_center_34[] = {
+ Q31( 2/768.0),Q31( 6/768.0),Q31(10/768.0),Q31(14/768.0),Q31( 18/768.0),Q31( 22/768.0),Q31( 26/768.0),Q31(30/768.0),
+ Q31( 34/768.0),Q31(-10/768.0),Q31(-6/768.0),Q31(-2/768.0),Q31( 51/768.0),Q31( 57/768.0),Q31( 15/768.0),Q31(21/768.0),
+ Q31( 27/768.0),Q31( 33/768.0),Q31(39/768.0),Q31(45/768.0),Q31( 54/768.0),Q31( 66/768.0),Q31( 78/768.0),Q31(42/768.0),
+ Q31(102/768.0),Q31( 66/768.0),Q31(78/768.0),Q31(90/768.0),Q31(102/768.0),Q31(114/768.0),Q31(126/768.0),Q31(90/768.0)
+ };
+ static const int fractional_delay_links[] = { Q31(0.43f), Q31(0.75f), Q31(0.347f) };
+ const int fractional_delay_gain = Q31(0.39f);
+ long long accu;
+
+ for (pd0 = 0; pd0 < 8; pd0++) {
+ int pd0_re = (ipdopd_cos[pd0]+2)>>2;
+ int pd0_im = (ipdopd_sin[pd0]+2)>>2;
+ for (pd1 = 0; pd1 < 8; pd1++) {
+ int pd1_re = ipdopd_cos[pd1] >> 1;
+ int pd1_im = ipdopd_sin[pd1] >> 1;
+ for (pd2 = 0; pd2 < 8; pd2++) {
+ int shift, round;
+ int pd2_re = ipdopd_cos[pd2];
+ int pd2_im = ipdopd_sin[pd2];
+ int re_smooth = pd0_re + pd1_re + pd2_re;
+ int im_smooth = pd0_im + pd1_im + pd2_im;
+
+ aac_float_t pd_mag = int2float(((ipdopd_cos[(pd0-pd1)&7]+8)>>4) + ((ipdopd_cos[(pd0-pd2)&7]+4)>>3) +
+ ((ipdopd_cos[(pd1-pd2)&7]+2)>>2) + 0x15000000, 2);
+ pd_mag = float_div(FLOAT_1, float_sqrt(pd_mag));
+ shift = 30 - pd_mag.expo;
+ round = 1 << (shift-1);
+ accu = (long long)re_smooth * pd_mag.mant;
+ pd_re_smooth[pd0*64+pd1*8+pd2] = (int)((accu + round) >> shift);
+ accu = (long long)im_smooth * pd_mag.mant;
+ pd_im_smooth[pd0*64+pd1*8+pd2] = (int)((accu + round) >> shift);
+ }
+ }
+ }
+
+ idx = 0;
+ for (iid = 0; iid < 46; iid++) {
+ int c1, c2;
+
+ c1 = iid_par_dequant_c1[iid];
+ if (iid < 15)
+ c2 = iid_par_dequant_c1[14-iid];
+ else
+ c2 = iid_par_dequant_c1[60-iid];
+
+ for (icc = 0; icc < 8; icc++) {
+ /*if (PS_BASELINE || ps->icc_mode < 3)*/{
+ int alpha, beta;
+ int ca, sa, cb, sb;
+
+ alpha = acos_icc_invq[icc];
+ accu = (long long)alpha * 1518500250;
+ beta = (int)((accu + 0x40000000) >> 31);
+ accu = (long long)beta * (c1 - c2);
+ alpha >>= 1;
+ beta = (int)((accu + 0x40000000) >> 31);
+ aac_fixed_sincos(beta + alpha, &sa, &ca);
+ aac_fixed_sincos(beta - alpha, &sb, &cb);
+
+ accu = (long long)c2 * ca;
+ HA[iid][icc][0] = (int)((accu + 0x20000000) >> 30);
+ accu = (long long)c1 * cb;
+ HA[iid][icc][1] = (int)((accu + 0x20000000) >> 30);
+ accu = (long long)c2 * sa;
+ HA[iid][icc][2] = (int)((accu + 0x20000000) >> 30);
+ accu = (long long)c1 * sb;
+ HA[iid][icc][3] = (int)((accu + 0x20000000) >> 30);
+ } /* else */ {
+ int alpha_int, gamma_int;
+ int alpha_c_int, alpha_s_int, gamma_c_int, gamma_s_int;
+
+ alpha_int = alpha_tab[idx];
+ gamma_int = gamma_tab[idx];
+
+ aac_fixed_sincos(alpha_int, &alpha_s_int, &alpha_c_int);
+ aac_fixed_sincos(gamma_int, &gamma_s_int, &gamma_c_int);
+
+ accu = (long long)alpha_c_int * 1518500250;
+ alpha_c_int = (int)((accu + 0x20000000) >> 30);
+ accu = (long long)alpha_s_int * 1518500250;
+ alpha_s_int = (int)((accu + 0x20000000) >> 30);
+
+ accu = (long long)alpha_c_int * gamma_c_int;
+ HB[iid][icc][0] = (int)((accu + 0x20000000) >> 30);
+ accu = (long long)alpha_s_int * gamma_c_int;
+ HB[iid][icc][1] = (int)((accu + 0x20000000) >> 30);
+ accu = (long long)alpha_s_int * gamma_s_int;
+ HB[iid][icc][2] = -(int)((accu + 0x20000000) >> 30);
+ accu = (long long)alpha_c_int * gamma_s_int;
+ HB[iid][icc][3] = (int)((accu + 0x20000000) >> 30);
+ }
+
+ if (icc < 5 || icc > 6)
+ idx++;
+ }
+ }
+
+ for (k = 0; k < NR_ALLPASS_BANDS20; k++) {
+ int theta, f_center;
+ int c, s;
+
+ if (k < FF_ARRAY_ELEMS(f_center_20))
+ f_center = f_center_20[k];
+ else
+ f_center = (k << 3) - 52;
+
+ for (m = 0; m < PS_AP_LINKS; m++) {
+ accu = (long long)fractional_delay_links[m] * f_center;
+ theta = (int)((accu + 8) >> 4);
+ aac_fixed_sincos(-theta, &s, &c);
+ Q_fract_allpass[0][k][m][0] = c;
+ Q_fract_allpass[0][k][m][1] = s;
+ }
+
+ accu = (long long)fractional_delay_gain * f_center;
+ theta = (int)((accu + 8) >> 4);
+ aac_fixed_sincos(-theta, &s, &c);
+ phi_fract[0][k][0] = c;
+ phi_fract[0][k][1] = s;
+ }
+
+ for (k = 0; k < NR_ALLPASS_BANDS34; k++) {
+ int theta, f_center;
+ int c, s;
+
+ if (k < FF_ARRAY_ELEMS(f_center_34))
+ f_center = f_center_34[k];
+ else
+ f_center = (k << 26) - (53 << 25);
+
+ for (m = 0; m < PS_AP_LINKS; m++) {
+ accu = (long long)fractional_delay_links[m] * f_center;
+ theta = (int)((accu + 0x10000000) >> 27);
+ aac_fixed_sincos(-theta, &s, &c);
+ Q_fract_allpass[1][k][m][0] = c;
+ Q_fract_allpass[1][k][m][1] = s;
+ }
+
+ accu = (long long)fractional_delay_gain * f_center;
+ theta = (int)((accu + 0x10000000) >> 27);
+ aac_fixed_sincos(-theta, &s, &c);
+ phi_fract[1][k][0] = c;
+ phi_fract[1][k][1] = s;
+ }
+
+ make_filters_from_proto(f20_0_8, g0_Q8, 8);
+ make_filters_from_proto(f34_0_12, g0_Q12, 12);
+ make_filters_from_proto(f34_1_8, g1_Q8, 8);
+ make_filters_from_proto(f34_2_4, g2_Q4, 4);
+}
+#endif /* CONFIG_HARDCODED_TABLES */
+
+#endif /* AACPS_FIXED_TABLEGEN_H */
--
1.8.2.1
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