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+/***********************************************************************
+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 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;
+
+} 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