diff options
Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/pitch_est_tables.c')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/pitch_est_tables.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/pitch_est_tables.c b/lib/rbcodec/codecs/libopus/silk/pitch_est_tables.c new file mode 100644 index 0000000000..e191686b0e --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/pitch_est_tables.c | |||
@@ -0,0 +1,99 @@ | |||
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 | #ifdef HAVE_CONFIG_H | ||
29 | #include "opus_config.h" | ||
30 | #endif | ||
31 | |||
32 | #include "typedef.h" | ||
33 | #include "pitch_est_defines.h" | ||
34 | |||
35 | const opus_int8 silk_CB_lags_stage2_10_ms[ PE_MAX_NB_SUBFR >> 1][ PE_NB_CBKS_STAGE2_10MS ] = | ||
36 | { | ||
37 | {0, 1, 0}, | ||
38 | {0, 0, 1} | ||
39 | }; | ||
40 | |||
41 | const opus_int8 silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ PE_NB_CBKS_STAGE3_10MS ] = | ||
42 | { | ||
43 | { 0, 0, 1,-1, 1,-1, 2,-2, 2,-2, 3,-3}, | ||
44 | { 0, 1, 0, 1,-1, 2,-1, 2,-2, 3,-2, 3} | ||
45 | }; | ||
46 | |||
47 | const opus_int8 silk_Lag_range_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ 2 ] = | ||
48 | { | ||
49 | {-3, 7}, | ||
50 | {-2, 7} | ||
51 | }; | ||
52 | |||
53 | const opus_int8 silk_CB_lags_stage2[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE2_EXT ] = | ||
54 | { | ||
55 | {0, 2,-1,-1,-1, 0, 0, 1, 1, 0, 1}, | ||
56 | {0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0}, | ||
57 | {0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0}, | ||
58 | {0,-1, 2, 1, 0, 1, 1, 0, 0,-1,-1} | ||
59 | }; | ||
60 | |||
61 | const opus_int8 silk_CB_lags_stage3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ] = | ||
62 | { | ||
63 | {0, 0, 1,-1, 0, 1,-1, 0,-1, 1,-2, 2,-2,-2, 2,-3, 2, 3,-3,-4, 3,-4, 4, 4,-5, 5,-6,-5, 6,-7, 6, 5, 8,-9}, | ||
64 | {0, 0, 1, 0, 0, 0, 0, 0, 0, 0,-1, 1, 0, 0, 1,-1, 0, 1,-1,-1, 1,-1, 2, 1,-1, 2,-2,-2, 2,-2, 2, 2, 3,-3}, | ||
65 | {0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1,-1, 1, 0, 0, 2, 1,-1, 2,-1,-1, 2,-1, 2, 2,-1, 3,-2,-2,-2, 3}, | ||
66 | {0, 1, 0, 0, 1, 0, 1,-1, 2,-1, 2,-1, 2, 3,-2, 3,-2,-2, 4, 4,-3, 5,-3,-4, 6,-4, 6, 5,-5, 8,-6,-5,-7, 9} | ||
67 | }; | ||
68 | |||
69 | const opus_int8 silk_Lag_range_stage3[ SILK_PE_MAX_COMPLEX + 1 ] [ PE_MAX_NB_SUBFR ][ 2 ] = | ||
70 | { | ||
71 | /* Lags to search for low number of stage3 cbks */ | ||
72 | { | ||
73 | {-5,8}, | ||
74 | {-1,6}, | ||
75 | {-1,6}, | ||
76 | {-4,10} | ||
77 | }, | ||
78 | /* Lags to search for middle number of stage3 cbks */ | ||
79 | { | ||
80 | {-6,10}, | ||
81 | {-2,6}, | ||
82 | {-1,6}, | ||
83 | {-5,10} | ||
84 | }, | ||
85 | /* Lags to search for max number of stage3 cbks */ | ||
86 | { | ||
87 | {-9,12}, | ||
88 | {-3,7}, | ||
89 | {-2,7}, | ||
90 | {-7,13} | ||
91 | } | ||
92 | }; | ||
93 | |||
94 | const opus_int8 silk_nb_cbk_searchs_stage3[ SILK_PE_MAX_COMPLEX + 1 ] = | ||
95 | { | ||
96 | PE_NB_CBKS_STAGE3_MIN, | ||
97 | PE_NB_CBKS_STAGE3_MID, | ||
98 | PE_NB_CBKS_STAGE3_MAX | ||
99 | }; | ||