Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(11)

Side by Side Diff: silk/resampler_rom.c

Issue 882843002: Update to opus-HEAD-66611f1. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/opus.git@master
Patch Set: Add the contents of Makefile.mips back. Created 5 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « silk/quant_LTP_gains.c ('k') | silk/shell_coder.c » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 /*********************************************************************** 1 /***********************************************************************
2 Copyright (c) 2006-2011, Skype Limited. All rights reserved. 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
3 Redistribution and use in source and binary forms, with or without 3 Redistribution and use in source and binary forms, with or without
4 modification, are permitted provided that the following conditions 4 modification, are permitted provided that the following conditions
5 are met: 5 are met:
6 - Redistributions of source code must retain the above copyright notice, 6 - Redistributions of source code must retain the above copyright notice,
7 this list of conditions and the following disclaimer. 7 this list of conditions and the following disclaimer.
8 - Redistributions in binary form must reproduce the above copyright 8 - Redistributions in binary form must reproduce the above copyright
9 notice, this list of conditions and the following disclaimer in the 9 notice, this list of conditions and the following disclaimer in the
10 documentation and/or other materials provided with the distribution. 10 documentation and/or other materials provided with the distribution.
(...skipping 23 matching lines...) Expand all
34 34
35 #include "resampler_private.h" 35 #include "resampler_private.h"
36 36
37 /* Matlab code for the notch filter coefficients: */ 37 /* Matlab code for the notch filter coefficients: */
38 /* B = [1, 0.147, 1]; A = [1, 0.107, 0.89]; G = 0.93; freqz(G * B, A, 2^14, 16e 3); axis([0, 8000, -10, 1]) */ 38 /* B = [1, 0.147, 1]; A = [1, 0.107, 0.89]; G = 0.93; freqz(G * B, A, 2^14, 16e 3); axis([0, 8000, -10, 1]) */
39 /* fprintf('\t%6d, %6d, %6d, %6d\n', round(B(2)*2^16), round(-A(2)*2^16), round( (1-A(3))*2^16), round(G*2^15)) */ 39 /* fprintf('\t%6d, %6d, %6d, %6d\n', round(B(2)*2^16), round(-A(2)*2^16), round( (1-A(3))*2^16), round(G*2^15)) */
40 /* const opus_int16 silk_resampler_up2_hq_notch[ 4 ] = { 9634, -7012, 7209, 30474 }; */ 40 /* const opus_int16 silk_resampler_up2_hq_notch[ 4 ] = { 9634, -7012, 7209, 30474 }; */
41 41
42 /* Tables with IIR and FIR coefficients for fractional downsamplers (123 Words) */ 42 /* Tables with IIR and FIR coefficients for fractional downsamplers (123 Words) */
43 silk_DWORD_ALIGN const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DO WN_ORDER_FIR0 / 2 ] = { 43 silk_DWORD_ALIGN const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DO WN_ORDER_FIR0 / 2 ] = {
44 » -20694, -13867, 44 -20694, -13867,
45 » -49, 64, 17, -157, 353, -496, 163, 11047, 22205, 45 -49, 64, 17, -157, 353, -496, 163, 11047, 22205,
46 » -39, 6, 91, -170, 186, 23, -896, 6336, 19928, 46 -39, 6, 91, -170, 186, 23, -896, 6336, 19928,
47 » -19, -36, 102, -89, -24, 328, -951, 2568, 15909, 47 -19, -36, 102, -89, -24, 328, -951, 2568, 15909,
48 }; 48 };
49 49
50 silk_DWORD_ALIGN const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DO WN_ORDER_FIR0 / 2 ] = { 50 silk_DWORD_ALIGN const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DO WN_ORDER_FIR0 / 2 ] = {
51 » -14457, -14019, 51 -14457, -14019,
52 » 64, 128, -122, 36, 310, -768, 584, 9267, 17733, 52 64, 128, -122, 36, 310, -768, 584, 9267, 17733,
53 » 12, 128, 18, -142, 288, -117, -865, 4123, 14459, 53 12, 128, 18, -142, 288, -117, -865, 4123, 14459,
54 }; 54 };
55 55
56 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR1 / 2 ] = { 56 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR1 / 2 ] = {
57 » 616, -14323, 57 616, -14323,
58 » -10, 39, 58, -46, -84, 120, 184, -315, -541, 1284, 5380, 9024, 58 -10, 39, 58, -46, -84, 120, 184, -315, -541, 12 84, 5380, 9024,
59 }; 59 };
60 60
61 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR2 / 2 ] = { 61 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR2 / 2 ] = {
62 » 16102, -15162, 62 16102, -15162,
63 » -13, 0, 20, 26, 5, -31, -43, -4, 65, 90, 7, -157, -248, -44, 593, 1583, 2612, 3271, 63 -13, 0, 20, 26, 5, -31, -43, -4, 65, 90, 7, -157, -248, -44, 593, 1583, 2612, 3271,
64 }; 64 };
65 65
66 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR2 / 2 ] = { 66 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR2 / 2 ] = {
67 » 22500, -15099, 67 22500, -15099,
68 » 3, -14, -20, -15, 2, 25, 37, 25, -16, -71, -107, -79, 50, 292, 623, 982, 1288, 1464, 68 3, -14, -20, -15, 2, 25, 37, 25, -16, - 71, -107, -79, 50, 292, 623, 982, 1288, 1464,
69 }; 69 };
70 70
71 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR2 / 2 ] = { 71 silk_DWORD_ALIGN const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_O RDER_FIR2 / 2 ] = {
72 » 27540, -15257, 72 27540, -15257,
73 » 17, 12, 8, 1, -10, -22, -30, -32, -22, 3, 44, 100, 168, 243, 317, 381, 429, 455, 73 17, 12, 8, 1, -10, -22, -30, -32, -22, 3, 44, 100, 168, 243, 317, 381, 429, 455,
74 }; 74 };
75 75
76 silk_DWORD_ALIGN const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ] = { 76 silk_DWORD_ALIGN const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ] = {
77 -2797, -6507, 77 -2797, -6507,
78 4697, 10739, 78 4697, 10739,
79 1567, 8276, 79 1567, 8276,
80 }; 80 };
81 81
82 /* Table with interplation fractions of 1/24, 3/24, 5/24, ... , 23/24 : 23/24 (4 6 Words) */ 82 /* Table with interplation fractions of 1/24, 3/24, 5/24, ... , 23/24 : 23/24 (4 6 Words) */
83 silk_DWORD_ALIGN const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_OR DER_FIR_12 / 2 ] = { 83 silk_DWORD_ALIGN const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_OR DER_FIR_12 / 2 ] = {
84 » { 189, -600, 617, 30567 }, 84 { 189, -600, 617, 30567 },
85 » { 117, -159, -1070, 29704 }, 85 { 117, -159, -1070, 29704 },
86 » { 52, 221, -2392, 28276 }, 86 { 52, 221, -2392, 28276 },
87 » { -4, 529, -3350, 26341 }, 87 { -4, 529, -3350, 26341 },
88 » { -48, 758, -3956, 23973 }, 88 { -48, 758, -3956, 23973 },
89 » { -80, 905, -4235, 21254 }, 89 { -80, 905, -4235, 21254 },
90 » { -99, 972, -4222, 18278 }, 90 { -99, 972, -4222, 18278 },
91 » { -107, 967, -3957, 15143 }, 91 { -107, 967, -3957, 15143 },
92 » { -103, 896, -3487, 11950 }, 92 { -103, 896, -3487, 11950 },
93 » { -91, 773, -2865, 8798 }, 93 { -91, 773, -2865, 8798 },
94 » { -71, 611, -2143, 5784 }, 94 { -71, 611, -2143, 5784 },
95 » { -46, 425, -1375, 2996 }, 95 { -46, 425, -1375, 2996 },
96 }; 96 };
OLDNEW
« no previous file with comments | « silk/quant_LTP_gains.c ('k') | silk/shell_coder.c » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698