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Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/float/structs_FLP.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/float/structs_FLP.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/float/structs_FLP.h b/lib/rbcodec/codecs/libopus/silk/float/structs_FLP.h new file mode 100644 index 0000000000..3150b386e4 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/float/structs_FLP.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_STRUCTS_FLP_H | ||
29 | #define SILK_STRUCTS_FLP_H | ||
30 | |||
31 | #include "typedef.h" | ||
32 | #include "main.h" | ||
33 | #include "structs.h" | ||
34 | |||
35 | #ifdef __cplusplus | ||
36 | extern "C" | ||
37 | { | ||
38 | #endif | ||
39 | |||
40 | /********************************/ | ||
41 | /* Noise shaping analysis state */ | ||
42 | /********************************/ | ||
43 | typedef struct { | ||
44 | opus_int8 LastGainIndex; | ||
45 | silk_float HarmShapeGain_smth; | ||
46 | silk_float Tilt_smth; | ||
47 | } silk_shape_state_FLP; | ||
48 | |||
49 | /********************************/ | ||
50 | /* Encoder state FLP */ | ||
51 | /********************************/ | ||
52 | typedef struct { | ||
53 | silk_encoder_state sCmn; /* Common struct, shared with fixed-point code */ | ||
54 | silk_shape_state_FLP sShape; /* Noise shaping state */ | ||
55 | |||
56 | /* Buffer for find pitch and noise shape analysis */ | ||
57 | silk_float x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */ | ||
58 | silk_float LTPCorr; /* Normalized correlation from pitch lag estimator */ | ||
59 | } silk_encoder_state_FLP; | ||
60 | |||
61 | /************************/ | ||
62 | /* Encoder control FLP */ | ||
63 | /************************/ | ||
64 | typedef struct { | ||
65 | /* Prediction and coding parameters */ | ||
66 | silk_float Gains[ MAX_NB_SUBFR ]; | ||
67 | silk_float PredCoef[ 2 ][ MAX_LPC_ORDER ]; /* holds interpolated and final coefficients */ | ||
68 | silk_float LTPCoef[LTP_ORDER * MAX_NB_SUBFR]; | ||
69 | silk_float LTP_scale; | ||
70 | opus_int pitchL[ MAX_NB_SUBFR ]; | ||
71 | |||
72 | /* Noise shaping parameters */ | ||
73 | silk_float AR[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; | ||
74 | silk_float LF_MA_shp[ MAX_NB_SUBFR ]; | ||
75 | silk_float LF_AR_shp[ MAX_NB_SUBFR ]; | ||
76 | silk_float Tilt[ MAX_NB_SUBFR ]; | ||
77 | silk_float HarmShapeGain[ MAX_NB_SUBFR ]; | ||
78 | silk_float Lambda; | ||
79 | silk_float input_quality; | ||
80 | silk_float coding_quality; | ||
81 | |||
82 | /* Measures */ | ||
83 | silk_float predGain; | ||
84 | silk_float LTPredCodGain; | ||
85 | silk_float ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */ | ||
86 | |||
87 | /* Parameters for CBR mode */ | ||
88 | opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ]; | ||
89 | opus_int8 lastGainIndexPrev; | ||
90 | } silk_encoder_control_FLP; | ||
91 | |||
92 | /************************/ | ||
93 | /* Encoder Super Struct */ | ||
94 | /************************/ | ||
95 | typedef struct { | ||
96 | silk_encoder_state_FLP state_Fxx[ ENCODER_NUM_CHANNELS ]; | ||
97 | stereo_enc_state sStereo; | ||
98 | opus_int32 nBitsUsedLBRR; | ||
99 | opus_int32 nBitsExceeded; | ||
100 | opus_int nChannelsAPI; | ||
101 | opus_int nChannelsInternal; | ||
102 | opus_int nPrevChannelsInternal; | ||
103 | opus_int timeSinceSwitchAllowed_ms; | ||
104 | opus_int allowBandwidthSwitch; | ||
105 | opus_int prev_decode_only_middle; | ||
106 | } silk_encoder; | ||
107 | |||
108 | #ifdef __cplusplus | ||
109 | } | ||
110 | #endif | ||
111 | |||
112 | #endif | ||