annotate src/opus-1.3/silk/API.h @ 169:223a55898ab9 tip default

Add null config files
author Chris Cannam <cannam@all-day-breakfast.com>
date Mon, 02 Mar 2020 14:03:47 +0000
parents 4664ac0c1032
children
rev   line source
cannam@154 1 /***********************************************************************
cannam@154 2 Copyright (c) 2006-2011, Skype Limited. All rights reserved.
cannam@154 3 Redistribution and use in source and binary forms, with or without
cannam@154 4 modification, are permitted provided that the following conditions
cannam@154 5 are met:
cannam@154 6 - Redistributions of source code must retain the above copyright notice,
cannam@154 7 this list of conditions and the following disclaimer.
cannam@154 8 - Redistributions in binary form must reproduce the above copyright
cannam@154 9 notice, this list of conditions and the following disclaimer in the
cannam@154 10 documentation and/or other materials provided with the distribution.
cannam@154 11 - Neither the name of Internet Society, IETF or IETF Trust, nor the
cannam@154 12 names of specific contributors, may be used to endorse or promote
cannam@154 13 products derived from this software without specific prior written
cannam@154 14 permission.
cannam@154 15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
cannam@154 16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
cannam@154 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
cannam@154 18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
cannam@154 19 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
cannam@154 20 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
cannam@154 21 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
cannam@154 22 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
cannam@154 23 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
cannam@154 24 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
cannam@154 25 POSSIBILITY OF SUCH DAMAGE.
cannam@154 26 ***********************************************************************/
cannam@154 27
cannam@154 28 #ifndef SILK_API_H
cannam@154 29 #define SILK_API_H
cannam@154 30
cannam@154 31 #include "control.h"
cannam@154 32 #include "typedef.h"
cannam@154 33 #include "errors.h"
cannam@154 34 #include "entenc.h"
cannam@154 35 #include "entdec.h"
cannam@154 36
cannam@154 37 #ifdef __cplusplus
cannam@154 38 extern "C"
cannam@154 39 {
cannam@154 40 #endif
cannam@154 41
cannam@154 42 #define SILK_MAX_FRAMES_PER_PACKET 3
cannam@154 43
cannam@154 44 /* Struct for TOC (Table of Contents) */
cannam@154 45 typedef struct {
cannam@154 46 opus_int VADFlag; /* Voice activity for packet */
cannam@154 47 opus_int VADFlags[ SILK_MAX_FRAMES_PER_PACKET ]; /* Voice activity for each frame in packet */
cannam@154 48 opus_int inbandFECFlag; /* Flag indicating if packet contains in-band FEC */
cannam@154 49 } silk_TOC_struct;
cannam@154 50
cannam@154 51 /****************************************/
cannam@154 52 /* Encoder functions */
cannam@154 53 /****************************************/
cannam@154 54
cannam@154 55 /***********************************************/
cannam@154 56 /* Get size in bytes of the Silk encoder state */
cannam@154 57 /***********************************************/
cannam@154 58 opus_int silk_Get_Encoder_Size( /* O Returns error code */
cannam@154 59 opus_int *encSizeBytes /* O Number of bytes in SILK encoder state */
cannam@154 60 );
cannam@154 61
cannam@154 62 /*************************/
cannam@154 63 /* Init or reset encoder */
cannam@154 64 /*************************/
cannam@154 65 opus_int silk_InitEncoder( /* O Returns error code */
cannam@154 66 void *encState, /* I/O State */
cannam@154 67 int arch, /* I Run-time architecture */
cannam@154 68 silk_EncControlStruct *encStatus /* O Encoder Status */
cannam@154 69 );
cannam@154 70
cannam@154 71 /**************************/
cannam@154 72 /* Encode frame with Silk */
cannam@154 73 /**************************/
cannam@154 74 /* Note: if prefillFlag is set, the input must contain 10 ms of audio, irrespective of what */
cannam@154 75 /* encControl->payloadSize_ms is set to */
cannam@154 76 opus_int silk_Encode( /* O Returns error code */
cannam@154 77 void *encState, /* I/O State */
cannam@154 78 silk_EncControlStruct *encControl, /* I Control status */
cannam@154 79 const opus_int16 *samplesIn, /* I Speech sample input vector */
cannam@154 80 opus_int nSamplesIn, /* I Number of samples in input vector */
cannam@154 81 ec_enc *psRangeEnc, /* I/O Compressor data structure */
cannam@154 82 opus_int32 *nBytesOut, /* I/O Number of bytes in payload (input: Max bytes) */
cannam@154 83 const opus_int prefillFlag, /* I Flag to indicate prefilling buffers no coding */
cannam@154 84 int activity /* I Decision of Opus voice activity detector */
cannam@154 85 );
cannam@154 86
cannam@154 87 /****************************************/
cannam@154 88 /* Decoder functions */
cannam@154 89 /****************************************/
cannam@154 90
cannam@154 91 /***********************************************/
cannam@154 92 /* Get size in bytes of the Silk decoder state */
cannam@154 93 /***********************************************/
cannam@154 94 opus_int silk_Get_Decoder_Size( /* O Returns error code */
cannam@154 95 opus_int *decSizeBytes /* O Number of bytes in SILK decoder state */
cannam@154 96 );
cannam@154 97
cannam@154 98 /*************************/
cannam@154 99 /* Init or Reset decoder */
cannam@154 100 /*************************/
cannam@154 101 opus_int silk_InitDecoder( /* O Returns error code */
cannam@154 102 void *decState /* I/O State */
cannam@154 103 );
cannam@154 104
cannam@154 105 /******************/
cannam@154 106 /* Decode a frame */
cannam@154 107 /******************/
cannam@154 108 opus_int silk_Decode( /* O Returns error code */
cannam@154 109 void* decState, /* I/O State */
cannam@154 110 silk_DecControlStruct* decControl, /* I/O Control Structure */
cannam@154 111 opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */
cannam@154 112 opus_int newPacketFlag, /* I Indicates first decoder call for this packet */
cannam@154 113 ec_dec *psRangeDec, /* I/O Compressor data structure */
cannam@154 114 opus_int16 *samplesOut, /* O Decoded output speech vector */
cannam@154 115 opus_int32 *nSamplesOut, /* O Number of samples decoded */
cannam@154 116 int arch /* I Run-time architecture */
cannam@154 117 );
cannam@154 118
cannam@154 119 #if 0
cannam@154 120 /**************************************/
cannam@154 121 /* Get table of contents for a packet */
cannam@154 122 /**************************************/
cannam@154 123 opus_int silk_get_TOC(
cannam@154 124 const opus_uint8 *payload, /* I Payload data */
cannam@154 125 const opus_int nBytesIn, /* I Number of input bytes */
cannam@154 126 const opus_int nFramesPerPayload, /* I Number of SILK frames per payload */
cannam@154 127 silk_TOC_struct *Silk_TOC /* O Type of content */
cannam@154 128 );
cannam@154 129 #endif
cannam@154 130
cannam@154 131 #ifdef __cplusplus
cannam@154 132 }
cannam@154 133 #endif
cannam@154 134
cannam@154 135 #endif