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143 lines
5.8 KiB
C
143 lines
5.8 KiB
C
/***********************************************************************
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Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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#ifndef SILK_CONTROL_H
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#define SILK_CONTROL_H
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#include "typedef.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Decoder API flags */
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#define FLAG_DECODE_NORMAL 0
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#define FLAG_PACKET_LOST 1
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#define FLAG_DECODE_LBRR 2
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/***********************************************/
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/* Structure for controlling encoder operation */
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/***********************************************/
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typedef struct {
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/* I: Number of channels; 1/2 */
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opus_int32 nChannelsAPI;
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/* I: Number of channels; 1/2 */
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opus_int32 nChannelsInternal;
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/* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
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opus_int32 API_sampleRate;
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/* I: Maximum internal sampling rate in Hertz; 8000/12000/16000 */
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opus_int32 maxInternalSampleRate;
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/* I: Minimum internal sampling rate in Hertz; 8000/12000/16000 */
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opus_int32 minInternalSampleRate;
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/* I: Soft request for internal sampling rate in Hertz; 8000/12000/16000 */
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opus_int32 desiredInternalSampleRate;
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/* I: Number of samples per packet in milliseconds; 10/20/40/60 */
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opus_int payloadSize_ms;
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/* I: Bitrate during active speech in bits/second; internally limited */
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opus_int32 bitRate;
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/* I: Uplink packet loss in percent (0-100) */
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opus_int packetLossPercentage;
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/* I: Complexity mode; 0 is lowest, 10 is highest complexity */
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opus_int complexity;
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/* I: Flag to enable in-band Forward Error Correction (FEC); 0/1 */
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opus_int useInBandFEC;
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/* I: Flag to enable discontinuous transmission (DTX); 0/1 */
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opus_int useDTX;
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/* I: Flag to use constant bitrate */
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opus_int useCBR;
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/* I: Maximum number of bits allowed for the frame */
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opus_int maxBits;
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/* I: Causes a smooth downmix to mono */
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opus_int toMono;
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/* I: Opus encoder is allowing us to switch bandwidth */
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opus_int opusCanSwitch;
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/* I: Make frames as independent as possible (but still use LPC) */
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opus_int reducedDependency;
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/* O: Internal sampling rate used, in Hertz; 8000/12000/16000 */
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opus_int32 internalSampleRate;
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/* O: Flag that bandwidth switching is allowed (because low voice activity) */
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opus_int allowBandwidthSwitch;
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/* O: Flag that SILK runs in WB mode without variable LP filter (use for switching between WB/SWB/FB) */
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opus_int inWBmodeWithoutVariableLP;
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/* O: Stereo width */
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opus_int stereoWidth_Q14;
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/* O: Tells the Opus encoder we're ready to switch */
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opus_int switchReady;
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} silk_EncControlStruct;
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/**************************************************************************/
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/* Structure for controlling decoder operation and reading decoder status */
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/**************************************************************************/
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typedef struct {
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/* I: Number of channels; 1/2 */
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opus_int32 nChannelsAPI;
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/* I: Number of channels; 1/2 */
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opus_int32 nChannelsInternal;
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/* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
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opus_int32 API_sampleRate;
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/* I: Internal sampling rate used, in Hertz; 8000/12000/16000 */
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opus_int32 internalSampleRate;
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/* I: Number of samples per packet in milliseconds; 10/20/40/60 */
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opus_int payloadSize_ms;
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/* O: Pitch lag of previous frame (0 if unvoiced), measured in samples at 48 kHz */
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opus_int prevPitchLag;
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} silk_DecControlStruct;
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#ifdef __cplusplus
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}
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#endif
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#endif
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