ref: 215938139eaaf8a4e9050692d5474e1c479779d4
dir: /silk/control.h/
/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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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
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documentation and/or other materials provided with the distribution.
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this software without specific prior written permission.
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BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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***********************************************************************/
#ifndef SILK_CONTROL_H
#define SILK_CONTROL_H
#include "typedef.h"
#ifdef __cplusplus
extern "C"
{
#endif
/* Decoder API flags */
#define FLAG_DECODE_NORMAL 0
#define FLAG_PACKET_LOST 1
#define FLAG_DECODE_LBRR 2
/***********************************************/
/* Structure for controlling encoder operation */
/***********************************************/
typedef struct {
/* I: Number of channels; 1/2 */
opus_int32 nChannelsAPI;
/* I: Number of channels; 1/2 */
opus_int32 nChannelsInternal;
/* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
opus_int32 API_sampleRate;
/* I: Maximum internal sampling rate in Hertz; 8000/12000/16000 */
opus_int32 maxInternalSampleRate;
/* I: Minimum internal sampling rate in Hertz; 8000/12000/16000 */
opus_int32 minInternalSampleRate;
/* I: Soft request for internal sampling rate in Hertz; 8000/12000/16000 */
opus_int32 desiredInternalSampleRate;
/* I: Number of samples per packet in milliseconds; 10/20/40/60 */
opus_int payloadSize_ms;
/* I: Bitrate during active speech in bits/second; internally limited */
opus_int32 bitRate;
/* I: Uplink packet loss in percent (0-100) */
opus_int packetLossPercentage;
/* I: Complexity mode; 0 is lowest, 10 is highest complexity */
opus_int complexity;
/* I: Flag to enable in-band Forward Error Correction (FEC); 0/1 */
opus_int useInBandFEC;
/* I: Flag to enable discontinuous transmission (DTX); 0/1 */
opus_int useDTX;
/* I: Flag to use constant bitrate */
opus_int useCBR;
/* I: Maximum number of bits allowed for the frame */
opus_int maxBits;
/* I: Causes a smooth downmix to mono */
opus_int toMono;
/* I: Opus encoder is allowing us to switch bandwidth */
opus_int opusCanSwitch;
/* O: Internal sampling rate used, in Hertz; 8000/12000/16000 */
opus_int32 internalSampleRate;
/* O: Flag that bandwidth switching is allowed (because low voice activity) */
opus_int allowBandwidthSwitch;
/* O: Flag that SILK runs in WB mode without variable LP filter (use for switching between WB/SWB/FB) */
opus_int inWBmodeWithoutVariableLP;
/* O: Stereo width */
opus_int stereoWidth_Q14;
/* O: Tells the Opus encoder we're ready to switch */
opus_int switchReady;
} silk_EncControlStruct;
/**************************************************************************/
/* Structure for controlling decoder operation and reading decoder status */
/**************************************************************************/
typedef struct {
/* I: Number of channels; 1/2 */
opus_int32 nChannelsAPI;
/* I: Number of channels; 1/2 */
opus_int32 nChannelsInternal;
/* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
opus_int32 API_sampleRate;
/* I: Internal sampling rate used, in Hertz; 8000/12000/16000 */
opus_int32 internalSampleRate;
/* I: Number of samples per packet in milliseconds; 10/20/40/60 */
opus_int payloadSize_ms;
/* O: Pitch lag of previous frame (0 if unvoiced), measured in samples at 48 kHz */
opus_int prevPitchLag;
} silk_DecControlStruct;
#ifdef __cplusplus
}
#endif
#endif