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Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/pitch_est_defines.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/pitch_est_defines.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/pitch_est_defines.h b/lib/rbcodec/codecs/libopus/silk/pitch_est_defines.h new file mode 100644 index 0000000000..0b6770eb91 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/pitch_est_defines.h | |||
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1 | /*********************************************************************** | ||
2 | Copyright (c) 2006-2011, Skype Limited. All rights reserved. | ||
3 | Redistribution and use in source and binary forms, with or without | ||
4 | modification, are permitted provided that the following conditions | ||
5 | are met: | ||
6 | - Redistributions of source code must retain the above copyright notice, | ||
7 | this list of conditions and the following disclaimer. | ||
8 | - Redistributions in binary form must reproduce the above copyright | ||
9 | notice, this list of conditions and the following disclaimer in the | ||
10 | documentation and/or other materials provided with the distribution. | ||
11 | - Neither the name of Internet Society, IETF or IETF Trust, nor the | ||
12 | names of specific contributors, may be used to endorse or promote | ||
13 | products derived from this software without specific prior written | ||
14 | permission. | ||
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” | ||
16 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
17 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
18 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
19 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
20 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
21 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
22 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
23 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
24 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
25 | POSSIBILITY OF SUCH DAMAGE. | ||
26 | ***********************************************************************/ | ||
27 | |||
28 | #ifndef SILK_PE_DEFINES_H | ||
29 | #define SILK_PE_DEFINES_H | ||
30 | |||
31 | #include "SigProc_FIX.h" | ||
32 | |||
33 | /********************************************************/ | ||
34 | /* Definitions for pitch estimator */ | ||
35 | /********************************************************/ | ||
36 | |||
37 | #define PE_MAX_FS_KHZ 16 /* Maximum sampling frequency used */ | ||
38 | |||
39 | #define PE_MAX_NB_SUBFR 4 | ||
40 | #define PE_SUBFR_LENGTH_MS 5 /* 5 ms */ | ||
41 | |||
42 | #define PE_LTP_MEM_LENGTH_MS ( 4 * PE_SUBFR_LENGTH_MS ) | ||
43 | |||
44 | #define PE_MAX_FRAME_LENGTH_MS ( PE_LTP_MEM_LENGTH_MS + PE_MAX_NB_SUBFR * PE_SUBFR_LENGTH_MS ) | ||
45 | #define PE_MAX_FRAME_LENGTH ( PE_MAX_FRAME_LENGTH_MS * PE_MAX_FS_KHZ ) | ||
46 | #define PE_MAX_FRAME_LENGTH_ST_1 ( PE_MAX_FRAME_LENGTH >> 2 ) | ||
47 | #define PE_MAX_FRAME_LENGTH_ST_2 ( PE_MAX_FRAME_LENGTH >> 1 ) | ||
48 | |||
49 | #define PE_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */ | ||
50 | #define PE_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */ | ||
51 | #define PE_MAX_LAG ( PE_MAX_LAG_MS * PE_MAX_FS_KHZ ) | ||
52 | #define PE_MIN_LAG ( PE_MIN_LAG_MS * PE_MAX_FS_KHZ ) | ||
53 | |||
54 | #define PE_D_SRCH_LENGTH 24 | ||
55 | |||
56 | #define PE_NB_STAGE3_LAGS 5 | ||
57 | |||
58 | #define PE_NB_CBKS_STAGE2 3 | ||
59 | #define PE_NB_CBKS_STAGE2_EXT 11 | ||
60 | |||
61 | #define PE_NB_CBKS_STAGE3_MAX 34 | ||
62 | #define PE_NB_CBKS_STAGE3_MID 24 | ||
63 | #define PE_NB_CBKS_STAGE3_MIN 16 | ||
64 | |||
65 | #define PE_NB_CBKS_STAGE3_10MS 12 | ||
66 | #define PE_NB_CBKS_STAGE2_10MS 3 | ||
67 | |||
68 | #define PE_SHORTLAG_BIAS 0.2f /* for logarithmic weighting */ | ||
69 | #define PE_PREVLAG_BIAS 0.2f /* for logarithmic weighting */ | ||
70 | #define PE_FLATCONTOUR_BIAS 0.05f | ||
71 | |||
72 | #define SILK_PE_MIN_COMPLEX 0 | ||
73 | #define SILK_PE_MID_COMPLEX 1 | ||
74 | #define SILK_PE_MAX_COMPLEX 2 | ||
75 | |||
76 | /* Tables for 20 ms frames */ | ||
77 | extern const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ]; | ||
78 | extern const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ]; | ||
79 | extern const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ]; | ||
80 | extern const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ]; | ||
81 | |||
82 | /* Tables for 10 ms frames */ | ||
83 | extern const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ 3 ]; | ||
84 | extern const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 12 ]; | ||
85 | extern const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ]; | ||
86 | |||
87 | #endif | ||
88 | |||