Smart Remote 3 nRF52 v1.2
control.h
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27 
28 #ifndef SILK_CONTROL_H
29 #define SILK_CONTROL_H
30 
31 #include "typedef.h"
32 
33 #ifdef __cplusplus
34 extern "C"
35 {
36 #endif
37 
38 /* Decoder API flags */
39 #define FLAG_DECODE_NORMAL 0
40 #define FLAG_PACKET_LOST 1
41 #define FLAG_DECODE_LBRR 2
42 
43 /***********************************************/
44 /* Structure for controlling encoder operation */
45 /***********************************************/
46 typedef struct {
47  /* I: Number of channels; 1/2 */
48  opus_int32 nChannelsAPI;
49 
50  /* I: Number of channels; 1/2 */
51  opus_int32 nChannelsInternal;
52 
53  /* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
54  opus_int32 API_sampleRate;
55 
56  /* I: Maximum internal sampling rate in Hertz; 8000/12000/16000 */
57  opus_int32 maxInternalSampleRate;
58 
59  /* I: Minimum internal sampling rate in Hertz; 8000/12000/16000 */
60  opus_int32 minInternalSampleRate;
61 
62  /* I: Soft request for internal sampling rate in Hertz; 8000/12000/16000 */
63  opus_int32 desiredInternalSampleRate;
64 
65  /* I: Number of samples per packet in milliseconds; 10/20/40/60 */
66  opus_int payloadSize_ms;
67 
68  /* I: Bitrate during active speech in bits/second; internally limited */
69  opus_int32 bitRate;
70 
71  /* I: Uplink packet loss in percent (0-100) */
72  opus_int packetLossPercentage;
73 
74  /* I: Complexity mode; 0 is lowest, 10 is highest complexity */
75  opus_int complexity;
76 
77  /* I: Flag to enable in-band Forward Error Correction (FEC); 0/1 */
78  opus_int useInBandFEC;
79 
80  /* I: Flag to actually code in-band Forward Error Correction (FEC) in the current packet; 0/1 */
81  opus_int LBRR_coded;
82 
83  /* I: Flag to enable discontinuous transmission (DTX); 0/1 */
84  opus_int useDTX;
85 
86  /* I: Flag to use constant bitrate */
87  opus_int useCBR;
88 
89  /* I: Maximum number of bits allowed for the frame */
90  opus_int maxBits;
91 
92  /* I: Causes a smooth downmix to mono */
93  opus_int toMono;
94 
95  /* I: Opus encoder is allowing us to switch bandwidth */
96  opus_int opusCanSwitch;
97 
98  /* I: Make frames as independent as possible (but still use LPC) */
99  opus_int reducedDependency;
100 
101  /* O: Internal sampling rate used, in Hertz; 8000/12000/16000 */
102  opus_int32 internalSampleRate;
103 
104  /* O: Flag that bandwidth switching is allowed (because low voice activity) */
105  opus_int allowBandwidthSwitch;
106 
107  /* O: Flag that SILK runs in WB mode without variable LP filter (use for switching between WB/SWB/FB) */
108  opus_int inWBmodeWithoutVariableLP;
109 
110  /* O: Stereo width */
111  opus_int stereoWidth_Q14;
112 
113  /* O: Tells the Opus encoder we're ready to switch */
114  opus_int switchReady;
115 
116  /* O: SILK Signal type */
117  opus_int signalType;
118 
119  /* O: SILK offset (dithering) */
120  opus_int offset;
121 } silk_EncControlStruct;
122 
123 /**************************************************************************/
124 /* Structure for controlling decoder operation and reading decoder status */
125 /**************************************************************************/
126 typedef struct {
127  /* I: Number of channels; 1/2 */
128  opus_int32 nChannelsAPI;
129 
130  /* I: Number of channels; 1/2 */
131  opus_int32 nChannelsInternal;
132 
133  /* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
134  opus_int32 API_sampleRate;
135 
136  /* I: Internal sampling rate used, in Hertz; 8000/12000/16000 */
137  opus_int32 internalSampleRate;
138 
139  /* I: Number of samples per packet in milliseconds; 10/20/40/60 */
140  opus_int payloadSize_ms;
141 
142  /* O: Pitch lag of previous frame (0 if unvoiced), measured in samples at 48 kHz */
143  opus_int prevPitchLag;
144 } silk_DecControlStruct;
145 
146 #ifdef __cplusplus
147 }
148 #endif
149 
150 #endif
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