STEAMVoice Speex

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/***********************************************************************
Copyright (c) 2006-2012, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef SKP_SILK_SDK_API_H
#define SKP_SILK_SDK_API_H
#include "SKP_Silk_control.h"
#include "SKP_Silk_typedef.h"
#include "SKP_Silk_errors.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define SILK_MAX_FRAMES_PER_PACKET 5
/* Struct for TOC (Table of Contents) */
typedef struct {
SKP_int framesInPacket; /* Number of 20 ms frames in packet */
SKP_int fs_kHz; /* Sampling frequency in packet */
SKP_int inbandLBRR; /* Does packet contain LBRR information */
SKP_int corrupt; /* Packet is corrupt */
SKP_int vadFlags[ SILK_MAX_FRAMES_PER_PACKET ]; /* VAD flag for each frame in packet */
SKP_int sigtypeFlags[ SILK_MAX_FRAMES_PER_PACKET ]; /* Signal type for each frame in packet */
} SKP_Silk_TOC_struct;
/****************************************/
/* Encoder functions */
/****************************************/
/***********************************************/
/* Get size in bytes of the Silk encoder state */
/***********************************************/
SKP_int SKP_Silk_SDK_Get_Encoder_Size(
SKP_int32 *encSizeBytes /* O: Number of bytes in SILK encoder state */
);
/*************************/
/* Init or reset encoder */
/*************************/
SKP_int SKP_Silk_SDK_InitEncoder(
void *encState, /* I/O: State */
SKP_SILK_SDK_EncControlStruct *encStatus /* O: Encoder Status */
);
/***************************************/
/* Read control structure from encoder */
/***************************************/
SKP_int SKP_Silk_SDK_QueryEncoder(
const void *encState, /* I: State */
SKP_SILK_SDK_EncControlStruct *encStatus /* O: Encoder Status */
);
/**************************/
/* Encode frame with Silk */
/**************************/
SKP_int SKP_Silk_SDK_Encode(
void *encState, /* I/O: State */
const SKP_SILK_SDK_EncControlStruct *encControl, /* I: Control status */
const SKP_int16 *samplesIn, /* I: Speech sample input vector */
SKP_int nSamplesIn, /* I: Number of samples in input vector */
SKP_uint8 *outData, /* O: Encoded output vector */
SKP_int16 *nBytesOut /* I/O: Number of bytes in outData (input: Max bytes) */
);
/****************************************/
/* Decoder functions */
/****************************************/
/***********************************************/
/* Get size in bytes of the Silk decoder state */
/***********************************************/
SKP_int SKP_Silk_SDK_Get_Decoder_Size(
SKP_int32 *decSizeBytes /* O: Number of bytes in SILK decoder state */
);
/*************************/
/* Init or Reset decoder */
/*************************/
SKP_int SKP_Silk_SDK_InitDecoder(
void *decState /* I/O: State */
);
/******************/
/* Decode a frame */
/******************/
SKP_int SKP_Silk_SDK_Decode(
void* decState, /* I/O: State */
SKP_SILK_SDK_DecControlStruct* decControl, /* I/O: Control Structure */
SKP_int lostFlag, /* I: 0: no loss, 1 loss */
const SKP_uint8 *inData, /* I: Encoded input vector */
const SKP_int nBytesIn, /* I: Number of input bytes */
SKP_int16 *samplesOut, /* O: Decoded output speech vector */
SKP_int16 *nSamplesOut /* I/O: Number of samples (vector/decoded) */
);
/***************************************************************/
/* Find Low Bit Rate Redundancy (LBRR) information in a packet */
/***************************************************************/
void SKP_Silk_SDK_search_for_LBRR(
const SKP_uint8 *inData, /* I: Encoded input vector */
const SKP_int nBytesIn, /* I: Number of input Bytes */
SKP_int lost_offset, /* I: Offset from lost packet */
SKP_uint8 *LBRRData, /* O: LBRR payload */
SKP_int16 *nLBRRBytes /* O: Number of LBRR Bytes */
);
/**************************************/
/* Get table of contents for a packet */
/**************************************/
void SKP_Silk_SDK_get_TOC(
const SKP_uint8 *inData, /* I: Encoded input vector */
const SKP_int nBytesIn, /* I: Number of input bytes */
SKP_Silk_TOC_struct *Silk_TOC /* O: Table of contents */
);
/**************************/
/* Get the version number */
/**************************/
/* Return a pointer to string specifying the version */
const char *SKP_Silk_SDK_get_version();
#ifdef __cplusplus
}
#endif
#endif

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silk/SKP_Silk_control.h Normal file
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/***********************************************************************
Copyright (c) 2006-2012, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef SKP_SILK_CONTROL_H
#define SKP_SILK_CONTROL_H
#include "SKP_Silk_typedef.h"
#ifdef __cplusplus
extern "C"
{
#endif
/***********************************************/
/* Structure for controlling encoder operation */
/***********************************************/
typedef struct {
/* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000 */
SKP_int32 API_sampleRate;
/* I: Maximum internal sampling rate in Hertz; 8000/12000/16000/24000 */
SKP_int32 maxInternalSampleRate;
/* I: Number of samples per packet; must be equivalent of 20, 40, 60, 80 or 100 ms */
SKP_int packetSize;
/* I: Bitrate during active speech in bits/second; internally limited */
SKP_int32 bitRate;
/* I: Uplink packet loss in percent (0-100) */
SKP_int packetLossPercentage;
/* I: Complexity mode; 0 is lowest; 1 is medium and 2 is highest complexity */
SKP_int complexity;
/* I: Flag to enable in-band Forward Error Correction (FEC); 0/1 */
SKP_int useInBandFEC;
/* I: Flag to enable discontinuous transmission (DTX); 0/1 */
SKP_int useDTX;
} SKP_SILK_SDK_EncControlStruct;
/**************************************************************************/
/* Structure for controlling decoder operation and reading decoder status */
/**************************************************************************/
typedef struct {
/* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000 */
SKP_int32 API_sampleRate;
/* O: Number of samples per frame */
SKP_int frameSize;
/* O: Frames per packet 1, 2, 3, 4, 5 */
SKP_int framesPerPacket;
/* O: Flag to indicate that the decoder has remaining payloads internally */
SKP_int moreInternalDecoderFrames;
/* O: Distance between main payload and redundant payload in packets */
SKP_int inBandFECOffset;
} SKP_SILK_SDK_DecControlStruct;
#ifdef __cplusplus
}
#endif
#endif

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silk/SKP_Silk_errors.h Normal file
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/***********************************************************************
Copyright (c) 2006-2012, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef SKP_SILK_ERRORS_H
#define SKP_SILK_ERRORS_H
#ifdef __cplusplus
extern "C"
{
#endif
/******************/
/* Error messages */
/******************/
#define SKP_SILK_NO_ERROR 0
/**************************/
/* Encoder error messages */
/**************************/
/* Input length is not a multiplum of 10 ms, or length is longer than the packet length */
#define SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES -1
/* Sampling frequency not 8000, 12000, 16000 or 24000 Hertz */
#define SKP_SILK_ENC_FS_NOT_SUPPORTED -2
/* Packet size not 20, 40, 60, 80 or 100 ms */
#define SKP_SILK_ENC_PACKET_SIZE_NOT_SUPPORTED -3
/* Allocated payload buffer too short */
#define SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT -4
/* Loss rate not between 0 and 100 percent */
#define SKP_SILK_ENC_INVALID_LOSS_RATE -5
/* Complexity setting not valid, use 0, 1 or 2 */
#define SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING -6
/* Inband FEC setting not valid, use 0 or 1 */
#define SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING -7
/* DTX setting not valid, use 0 or 1 */
#define SKP_SILK_ENC_INVALID_DTX_SETTING -8
/* Internal encoder error */
#define SKP_SILK_ENC_INTERNAL_ERROR -9
/**************************/
/* Decoder error messages */
/**************************/
/* Output sampling frequency lower than internal decoded sampling frequency */
#define SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY -10
/* Payload size exceeded the maximum allowed 1024 bytes */
#define SKP_SILK_DEC_PAYLOAD_TOO_LARGE -11
/* Payload has bit errors */
#define SKP_SILK_DEC_PAYLOAD_ERROR -12
#ifdef __cplusplus
}
#endif
#endif

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/***********************************************************************
Copyright (c) 2006-2012, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, (subject to the limitations in the disclaimer below)
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Skype Limited, nor the names of specific
contributors, may be used to endorse or promote products derived from
this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef _SKP_SILK_API_TYPDEF_H_
#define _SKP_SILK_API_TYPDEF_H_
#ifndef SKP_USE_DOUBLE_PRECISION_FLOATS
#define SKP_USE_DOUBLE_PRECISION_FLOATS 0
#endif
#include <float.h>
#if defined( __GNUC__ )
#include <stdint.h>
#endif
#define SKP_int int /* used for counters etc; at least 16 bits */
#ifdef __GNUC__
# define SKP_int64 int64_t
#else
# define SKP_int64 long long
#endif
#define SKP_int32 int
#define SKP_int16 short
#define SKP_int8 signed char
#define SKP_uint unsigned int /* used for counters etc; at least 16 bits */
#ifdef __GNUC__
# define SKP_uint64 uint64_t
#else
# define SKP_uint64 unsigned long long
#endif
#define SKP_uint32 unsigned int
#define SKP_uint16 unsigned short
#define SKP_uint8 unsigned char
#define SKP_int_ptr_size intptr_t
#if SKP_USE_DOUBLE_PRECISION_FLOATS
# define SKP_float double
# define SKP_float_MAX DBL_MAX
#else
# define SKP_float float
# define SKP_float_MAX FLT_MAX
#endif
#define SKP_INLINE static __inline
#ifdef _WIN32
# define SKP_STR_CASEINSENSITIVE_COMPARE(x, y) _stricmp(x, y)
#else
# define SKP_STR_CASEINSENSITIVE_COMPARE(x, y) strcasecmp(x, y)
#endif
#define SKP_int64_MAX ((SKP_int64)0x7FFFFFFFFFFFFFFFLL) /* 2^63 - 1 */
#define SKP_int64_MIN ((SKP_int64)0x8000000000000000LL) /* -2^63 */
#define SKP_int32_MAX 0x7FFFFFFF /* 2^31 - 1 = 2147483647*/
#define SKP_int32_MIN ((SKP_int32)0x80000000) /* -2^31 = -2147483648*/
#define SKP_int16_MAX 0x7FFF /* 2^15 - 1 = 32767*/
#define SKP_int16_MIN ((SKP_int16)0x8000) /* -2^15 = -32768*/
#define SKP_int8_MAX 0x7F /* 2^7 - 1 = 127*/
#define SKP_int8_MIN ((SKP_int8)0x80) /* -2^7 = -128*/
#define SKP_uint32_MAX 0xFFFFFFFF /* 2^32 - 1 = 4294967295 */
#define SKP_uint32_MIN 0x00000000
#define SKP_uint16_MAX 0xFFFF /* 2^16 - 1 = 65535 */
#define SKP_uint16_MIN 0x0000
#define SKP_uint8_MAX 0xFF /* 2^8 - 1 = 255 */
#define SKP_uint8_MIN 0x00
#define SKP_TRUE 1
#define SKP_FALSE 0
/* assertions */
#if (defined _WIN32 && !defined _WINCE && !defined(__GNUC__) && !defined(NO_ASSERTS))
# ifndef SKP_assert
# include <crtdbg.h> /* ASSERTE() */
# define SKP_assert(COND) _ASSERTE(COND)
# endif
#else
# define SKP_assert(COND)
#endif
#endif

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