1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libopus/silk/control.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,142 @@
1.4 +/***********************************************************************
1.5 +Copyright (c) 2006-2011, Skype Limited. All rights reserved.
1.6 +Redistribution and use in source and binary forms, with or without
1.7 +modification, are permitted provided that the following conditions
1.8 +are met:
1.9 +- Redistributions of source code must retain the above copyright notice,
1.10 +this list of conditions and the following disclaimer.
1.11 +- Redistributions in binary form must reproduce the above copyright
1.12 +notice, this list of conditions and the following disclaimer in the
1.13 +documentation and/or other materials provided with the distribution.
1.14 +- Neither the name of Internet Society, IETF or IETF Trust, nor the
1.15 +names of specific contributors, may be used to endorse or promote
1.16 +products derived from this software without specific prior written
1.17 +permission.
1.18 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.19 +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.22 +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.23 +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.24 +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.25 +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.26 +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.27 +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 +POSSIBILITY OF SUCH DAMAGE.
1.29 +***********************************************************************/
1.30 +
1.31 +#ifndef SILK_CONTROL_H
1.32 +#define SILK_CONTROL_H
1.33 +
1.34 +#include "typedef.h"
1.35 +
1.36 +#ifdef __cplusplus
1.37 +extern "C"
1.38 +{
1.39 +#endif
1.40 +
1.41 +/* Decoder API flags */
1.42 +#define FLAG_DECODE_NORMAL 0
1.43 +#define FLAG_PACKET_LOST 1
1.44 +#define FLAG_DECODE_LBRR 2
1.45 +
1.46 +/***********************************************/
1.47 +/* Structure for controlling encoder operation */
1.48 +/***********************************************/
1.49 +typedef struct {
1.50 + /* I: Number of channels; 1/2 */
1.51 + opus_int32 nChannelsAPI;
1.52 +
1.53 + /* I: Number of channels; 1/2 */
1.54 + opus_int32 nChannelsInternal;
1.55 +
1.56 + /* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
1.57 + opus_int32 API_sampleRate;
1.58 +
1.59 + /* I: Maximum internal sampling rate in Hertz; 8000/12000/16000 */
1.60 + opus_int32 maxInternalSampleRate;
1.61 +
1.62 + /* I: Minimum internal sampling rate in Hertz; 8000/12000/16000 */
1.63 + opus_int32 minInternalSampleRate;
1.64 +
1.65 + /* I: Soft request for internal sampling rate in Hertz; 8000/12000/16000 */
1.66 + opus_int32 desiredInternalSampleRate;
1.67 +
1.68 + /* I: Number of samples per packet in milliseconds; 10/20/40/60 */
1.69 + opus_int payloadSize_ms;
1.70 +
1.71 + /* I: Bitrate during active speech in bits/second; internally limited */
1.72 + opus_int32 bitRate;
1.73 +
1.74 + /* I: Uplink packet loss in percent (0-100) */
1.75 + opus_int packetLossPercentage;
1.76 +
1.77 + /* I: Complexity mode; 0 is lowest, 10 is highest complexity */
1.78 + opus_int complexity;
1.79 +
1.80 + /* I: Flag to enable in-band Forward Error Correction (FEC); 0/1 */
1.81 + opus_int useInBandFEC;
1.82 +
1.83 + /* I: Flag to enable discontinuous transmission (DTX); 0/1 */
1.84 + opus_int useDTX;
1.85 +
1.86 + /* I: Flag to use constant bitrate */
1.87 + opus_int useCBR;
1.88 +
1.89 + /* I: Maximum number of bits allowed for the frame */
1.90 + opus_int maxBits;
1.91 +
1.92 + /* I: Causes a smooth downmix to mono */
1.93 + opus_int toMono;
1.94 +
1.95 + /* I: Opus encoder is allowing us to switch bandwidth */
1.96 + opus_int opusCanSwitch;
1.97 +
1.98 + /* I: Make frames as independent as possible (but still use LPC) */
1.99 + opus_int reducedDependency;
1.100 +
1.101 + /* O: Internal sampling rate used, in Hertz; 8000/12000/16000 */
1.102 + opus_int32 internalSampleRate;
1.103 +
1.104 + /* O: Flag that bandwidth switching is allowed (because low voice activity) */
1.105 + opus_int allowBandwidthSwitch;
1.106 +
1.107 + /* O: Flag that SILK runs in WB mode without variable LP filter (use for switching between WB/SWB/FB) */
1.108 + opus_int inWBmodeWithoutVariableLP;
1.109 +
1.110 + /* O: Stereo width */
1.111 + opus_int stereoWidth_Q14;
1.112 +
1.113 + /* O: Tells the Opus encoder we're ready to switch */
1.114 + opus_int switchReady;
1.115 +
1.116 +} silk_EncControlStruct;
1.117 +
1.118 +/**************************************************************************/
1.119 +/* Structure for controlling decoder operation and reading decoder status */
1.120 +/**************************************************************************/
1.121 +typedef struct {
1.122 + /* I: Number of channels; 1/2 */
1.123 + opus_int32 nChannelsAPI;
1.124 +
1.125 + /* I: Number of channels; 1/2 */
1.126 + opus_int32 nChannelsInternal;
1.127 +
1.128 + /* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
1.129 + opus_int32 API_sampleRate;
1.130 +
1.131 + /* I: Internal sampling rate used, in Hertz; 8000/12000/16000 */
1.132 + opus_int32 internalSampleRate;
1.133 +
1.134 + /* I: Number of samples per packet in milliseconds; 10/20/40/60 */
1.135 + opus_int payloadSize_ms;
1.136 +
1.137 + /* O: Pitch lag of previous frame (0 if unvoiced), measured in samples at 48 kHz */
1.138 + opus_int prevPitchLag;
1.139 +} silk_DecControlStruct;
1.140 +
1.141 +#ifdef __cplusplus
1.142 +}
1.143 +#endif
1.144 +
1.145 +#endif
