| /*********************************************************************** |
| Copyright (c) 2006-2011, Skype Limited. All rights reserved. |
| Redistribution and use in source and binary forms, with or without |
| modification, 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 Internet Society, IETF or IETF Trust, nor the |
| names of specific contributors, may be used to endorse or promote |
| products derived from this software without specific prior written |
| permission. |
| 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 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 actually code in-band Forward Error Correction (FEC) in the current packet; 0/1 */ |
| opus_int LBRR_coded; |
| |
| /* 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; |
| |
| /* I: Make frames as independent as possible (but still use LPC) */ |
| opus_int reducedDependency; |
| |
| /* 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; |
| |
| /* O: SILK Signal type */ |
| opus_int signalType; |
| |
| /* O: SILK offset (dithering) */ |
| opus_int offset; |
| } 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 |
