The Tor Browser / file comparison
comparison: media/libopus/silk/API.h
media/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 int arch, /* I Run-time architecture */ | |
| 68 silk_EncControlStruct *encStatus /* O Encoder Status */ | |
| 69 ); | |
| 70 | |
| 71 /**************************/ | |
| 72 /* Encode frame with Silk */ | |
| 73 /**************************/ | |
| 74 /* Note: if prefillFlag is set, the input must contain 10 ms of audio, irrespective of what */ | |
| 75 /* encControl->payloadSize_ms is set to */ | |
| 76 opus_int silk_Encode( /* O Returns error code */ | |
| 77 void *encState, /* I/O State */ | |
| 78 silk_EncControlStruct *encControl, /* I Control status */ | |
| 79 const opus_int16 *samplesIn, /* I Speech sample input vector */ | |
| 80 opus_int nSamplesIn, /* I Number of samples in input vector */ | |
| 81 ec_enc *psRangeEnc, /* I/O Compressor data structure */ | |
| 82 opus_int32 *nBytesOut, /* I/O Number of bytes in payload (input: Max bytes) */ | |
| 83 const opus_int prefillFlag /* I Flag to indicate prefilling buffers no coding */ | |
| 84 ); | |
| 85 | |
| 86 /****************************************/ | |
| 87 /* Decoder functions */ | |
| 88 /****************************************/ | |
| 89 | |
| 90 /***********************************************/ | |
| 91 /* Get size in bytes of the Silk decoder state */ | |
| 92 /***********************************************/ | |
| 93 opus_int silk_Get_Decoder_Size( /* O Returns error code */ | |
| 94 opus_int *decSizeBytes /* O Number of bytes in SILK decoder state */ | |
| 95 ); | |
| 96 | |
| 97 /*************************/ | |
| 98 /* Init or Reset decoder */ | |
| 99 /*************************/ | |
| 100 opus_int silk_InitDecoder( /* O Returns error code */ | |
| 101 void *decState /* I/O State */ | |
| 102 ); | |
| 103 | |
| 104 /******************/ | |
| 105 /* Decode a frame */ | |
| 106 /******************/ | |
| 107 opus_int silk_Decode( /* O Returns error code */ | |
| 108 void* decState, /* I/O State */ | |
| 109 silk_DecControlStruct* decControl, /* I/O Control Structure */ | |
| 110 opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ | |
| 111 opus_int newPacketFlag, /* I Indicates first decoder call for this packet */ | |
| 112 ec_dec *psRangeDec, /* I/O Compressor data structure */ | |
| 113 opus_int16 *samplesOut, /* O Decoded output speech vector */ | |
| 114 opus_int32 *nSamplesOut /* O Number of samples decoded */ | |
| 115 ); | |
| 116 | |
| 117 #if 0 | |
| 118 /**************************************/ | |
| 119 /* Get table of contents for a packet */ | |
| 120 /**************************************/ | |
| 121 opus_int silk_get_TOC( | |
| 122 const opus_uint8 *payload, /* I Payload data */ | |
| 123 const opus_int nBytesIn, /* I Number of input bytes */ | |
| 124 const opus_int nFramesPerPayload, /* I Number of SILK frames per payload */ | |
| 125 silk_TOC_struct *Silk_TOC /* O Type of content */ | |
| 126 ); | |
| 127 #endif | |
| 128 | |
| 129 #ifdef __cplusplus | |
| 130 } | |
| 131 #endif | |
| 132 | |
| 133 #endif |
