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Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/fixed/structs_FIX.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/fixed/structs_FIX.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/fixed/structs_FIX.h b/lib/rbcodec/codecs/libopus/silk/fixed/structs_FIX.h new file mode 100644 index 0000000000..2774a97b24 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/fixed/structs_FIX.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_FIX_H | ||
29 | #define SILK_STRUCTS_FIX_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 | opus_int32 HarmBoost_smth_Q16; | ||
46 | opus_int32 HarmShapeGain_smth_Q16; | ||
47 | opus_int32 Tilt_smth_Q16; | ||
48 | } silk_shape_state_FIX; | ||
49 | |||
50 | /********************************/ | ||
51 | /* Encoder state FIX */ | ||
52 | /********************************/ | ||
53 | typedef struct { | ||
54 | silk_encoder_state sCmn; /* Common struct, shared with floating-point code */ | ||
55 | silk_shape_state_FIX sShape; /* Shape state */ | ||
56 | |||
57 | /* Buffer for find pitch and noise shape analysis */ | ||
58 | silk_DWORD_ALIGN opus_int16 x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];/* Buffer for find pitch and noise shape analysis */ | ||
59 | opus_int LTPCorr_Q15; /* Normalized correlation from pitch lag estimator */ | ||
60 | opus_int32 resNrgSmth; | ||
61 | } silk_encoder_state_FIX; | ||
62 | |||
63 | /************************/ | ||
64 | /* Encoder control FIX */ | ||
65 | /************************/ | ||
66 | typedef struct { | ||
67 | /* Prediction and coding parameters */ | ||
68 | opus_int32 Gains_Q16[ MAX_NB_SUBFR ]; | ||
69 | silk_DWORD_ALIGN opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ]; | ||
70 | opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ]; | ||
71 | opus_int LTP_scale_Q14; | ||
72 | opus_int pitchL[ MAX_NB_SUBFR ]; | ||
73 | |||
74 | /* Noise shaping parameters */ | ||
75 | /* Testing */ | ||
76 | silk_DWORD_ALIGN opus_int16 AR_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ]; | ||
77 | opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ]; /* Packs two int16 coefficients per int32 value */ | ||
78 | opus_int Tilt_Q14[ MAX_NB_SUBFR ]; | ||
79 | opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ]; | ||
80 | opus_int Lambda_Q10; | ||
81 | opus_int input_quality_Q14; | ||
82 | opus_int coding_quality_Q14; | ||
83 | |||
84 | /* measures */ | ||
85 | opus_int32 predGain_Q16; | ||
86 | opus_int LTPredCodGain_Q7; | ||
87 | opus_int32 ResNrg[ MAX_NB_SUBFR ]; /* Residual energy per subframe */ | ||
88 | opus_int ResNrgQ[ MAX_NB_SUBFR ]; /* Q domain for the residual energy > 0 */ | ||
89 | |||
90 | /* Parameters for CBR mode */ | ||
91 | opus_int32 GainsUnq_Q16[ MAX_NB_SUBFR ]; | ||
92 | opus_int8 lastGainIndexPrev; | ||
93 | } silk_encoder_control_FIX; | ||
94 | |||
95 | /************************/ | ||
96 | /* Encoder Super Struct */ | ||
97 | /************************/ | ||
98 | typedef struct { | ||
99 | silk_encoder_state_FIX state_Fxx[ ENCODER_NUM_CHANNELS ]; | ||
100 | stereo_enc_state sStereo; | ||
101 | opus_int32 nBitsUsedLBRR; | ||
102 | opus_int32 nBitsExceeded; | ||
103 | opus_int nChannelsAPI; | ||
104 | opus_int nChannelsInternal; | ||
105 | opus_int nPrevChannelsInternal; | ||
106 | opus_int timeSinceSwitchAllowed_ms; | ||
107 | opus_int allowBandwidthSwitch; | ||
108 | opus_int prev_decode_only_middle; | ||
109 | } silk_encoder; | ||
110 | |||
111 | |||
112 | #ifdef __cplusplus | ||
113 | } | ||
114 | #endif | ||
115 | |||
116 | #endif | ||