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Issue 12388030: Update Opus to 1.0.2. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/opus
Patch Set: Created 7 years, 9 months ago
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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.
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35 35
36 #include "typedef.h" 36 #include "typedef.h"
37 #include "resampler_structs.h" 37 #include "resampler_structs.h"
38 38
39 #define RESAMPLER_DOWN_ORDER_FIR0 18 39 #define RESAMPLER_DOWN_ORDER_FIR0 18
40 #define RESAMPLER_DOWN_ORDER_FIR1 24 40 #define RESAMPLER_DOWN_ORDER_FIR1 24
41 #define RESAMPLER_DOWN_ORDER_FIR2 36 41 #define RESAMPLER_DOWN_ORDER_FIR2 36
42 #define RESAMPLER_ORDER_FIR_12 8 42 #define RESAMPLER_ORDER_FIR_12 8
43 43
44 /* Tables for 2x downsampler */ 44 /* Tables for 2x downsampler */
45 extern const opus_int16 silk_resampler_down2_0; 45 static const opus_int16 silk_resampler_down2_0 = 9872;
46 extern const opus_int16 silk_resampler_down2_1; 46 static const opus_int16 silk_resampler_down2_1 = 39809 - 65536;
47 47
48 /* Tables for 2x upsampler, high quality */ 48 /* Tables for 2x upsampler, high quality */
49 extern const opus_int16 silk_resampler_up2_hq_0[ 3 ]; 49 static const opus_int16 silk_resampler_up2_hq_0[ 3 ] = { 1746, 14986, 39083 - 65 536 };
50 extern const opus_int16 silk_resampler_up2_hq_1[ 3 ]; 50 static const opus_int16 silk_resampler_up2_hq_1[ 3 ] = { 6854, 25769, 55542 - 65 536 };
51 51
52 /* Tables with IIR and FIR coefficients for fractional downsamplers */ 52 /* Tables with IIR and FIR coefficients for fractional downsamplers */
53 extern const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_F IR0 / 2 ]; 53 extern const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_F IR0 / 2 ];
54 extern const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DOWN_ORDER_F IR0 / 2 ]; 54 extern const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DOWN_ORDER_F IR0 / 2 ];
55 extern const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR1 / 2 ]; 55 extern const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR1 / 2 ];
56 extern const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR2 / 2 ]; 56 extern const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR2 / 2 ];
57 extern const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR2 / 2 ]; 57 extern const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR2 / 2 ];
58 extern const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR2 / 2 ]; 58 extern const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_ORDER_F IR2 / 2 ];
59 extern const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ]; 59 extern const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ];
60 60
61 /* Table with interplation fractions of 1/24, 3/24, ..., 23/24 */ 61 /* Table with interplation fractions of 1/24, 3/24, ..., 23/24 */
62 extern const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_ORDER_FIR_12 / 2 ]; 62 extern const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_ORDER_FIR_12 / 2 ];
63 63
64 #ifdef __cplusplus 64 #ifdef __cplusplus
65 } 65 }
66 #endif 66 #endif
67 67
68 #endif /* SILK_FIX_RESAMPLER_ROM_H */ 68 #endif /* SILK_FIX_RESAMPLER_ROM_H */
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