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Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/API.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/API.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/API.h b/lib/rbcodec/codecs/libopus/silk/API.h new file mode 100644 index 0000000000..4b8ca12ac6 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/API.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_API_H | ||
29 | #define SILK_API_H | ||
30 | |||
31 | #include "control.h" | ||
32 | #include "typedef.h" | ||
33 | #include "errors.h" | ||
34 | #include "entenc.h" | ||
35 | #include "entdec.h" | ||
36 | |||
37 | #ifdef __cplusplus | ||
38 | extern "C" | ||
39 | { | ||
40 | #endif | ||
41 | |||
42 | #define SILK_MAX_FRAMES_PER_PACKET 3 | ||
43 | |||
44 | /* Struct for TOC (Table of Contents) */ | ||
45 | typedef struct { | ||
46 | opus_int VADFlag; /* Voice activity for packet */ | ||
47 | opus_int VADFlags[ SILK_MAX_FRAMES_PER_PACKET ]; /* Voice activity for each frame in packet */ | ||
48 | opus_int inbandFECFlag; /* Flag indicating if packet contains in-band FEC */ | ||
49 | } silk_TOC_struct; | ||
50 | |||
51 | /****************************************/ | ||
52 | /* Encoder functions */ | ||
53 | /****************************************/ | ||
54 | |||
55 | /***********************************************/ | ||
56 | /* Get size in bytes of the Silk encoder state */ | ||
57 | /***********************************************/ | ||
58 | opus_int silk_Get_Encoder_Size( /* O Returns error code */ | ||
59 | opus_int *encSizeBytes /* O Number of bytes in SILK encoder state */ | ||
60 | ); | ||
61 | |||
62 | /*************************/ | ||
63 | /* Init or reset encoder */ | ||
64 | /*************************/ | ||
65 | opus_int silk_InitEncoder( /* O Returns error code */ | ||
66 | void *encState, /* I/O State */ | ||
67 | silk_EncControlStruct *encStatus /* O Encoder Status */ | ||
68 | ); | ||
69 | |||
70 | /**************************/ | ||
71 | /* Encode frame with Silk */ | ||
72 | /**************************/ | ||
73 | /* Note: if prefillFlag is set, the input must contain 10 ms of audio, irrespective of what */ | ||
74 | /* encControl->payloadSize_ms is set to */ | ||
75 | opus_int silk_Encode( /* O Returns error code */ | ||
76 | void *encState, /* I/O State */ | ||
77 | silk_EncControlStruct *encControl, /* I Control status */ | ||
78 | const opus_int16 *samplesIn, /* I Speech sample input vector */ | ||
79 | opus_int nSamplesIn, /* I Number of samples in input vector */ | ||
80 | ec_enc *psRangeEnc, /* I/O Compressor data structure */ | ||
81 | opus_int32 *nBytesOut, /* I/O Number of bytes in payload (input: Max bytes) */ | ||
82 | const opus_int prefillFlag /* I Flag to indicate prefilling buffers no coding */ | ||
83 | ); | ||
84 | |||
85 | /****************************************/ | ||
86 | /* Decoder functions */ | ||
87 | /****************************************/ | ||
88 | |||
89 | /***********************************************/ | ||
90 | /* Get size in bytes of the Silk decoder state */ | ||
91 | /***********************************************/ | ||
92 | opus_int silk_Get_Decoder_Size( /* O Returns error code */ | ||
93 | opus_int *decSizeBytes /* O Number of bytes in SILK decoder state */ | ||
94 | ); | ||
95 | |||
96 | /*************************/ | ||
97 | /* Init or Reset decoder */ | ||
98 | /*************************/ | ||
99 | opus_int silk_InitDecoder( /* O Returns error code */ | ||
100 | void *decState /* I/O State */ | ||
101 | ); | ||
102 | |||
103 | /******************/ | ||
104 | /* Decode a frame */ | ||
105 | /******************/ | ||
106 | opus_int silk_Decode( /* O Returns error code */ | ||
107 | void* decState, /* I/O State */ | ||
108 | silk_DecControlStruct* decControl, /* I/O Control Structure */ | ||
109 | opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ | ||
110 | opus_int newPacketFlag, /* I Indicates first decoder call for this packet */ | ||
111 | ec_dec *psRangeDec, /* I/O Compressor data structure */ | ||
112 | opus_int16 *samplesOut, /* O Decoded output speech vector */ | ||
113 | opus_int32 *nSamplesOut /* O Number of samples decoded */ | ||
114 | ); | ||
115 | |||
116 | #if 0 | ||
117 | /**************************************/ | ||
118 | /* Get table of contents for a packet */ | ||
119 | /**************************************/ | ||
120 | opus_int silk_get_TOC( | ||
121 | const opus_uint8 *payload, /* I Payload data */ | ||
122 | const opus_int nBytesIn, /* I Number of input bytes */ | ||
123 | const opus_int nFramesPerPayload, /* I Number of SILK frames per payload */ | ||
124 | silk_TOC_struct *Silk_TOC /* O Type of content */ | ||
125 | ); | ||
126 | #endif | ||
127 | |||
128 | #ifdef __cplusplus | ||
129 | } | ||
130 | #endif | ||
131 | |||
132 | #endif | ||