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/***********************************************************************
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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_RESAMPLER_STRUCTS_H
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#define SILK_RESAMPLER_STRUCTS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SILK_RESAMPLER_MAX_FIR_ORDER 36
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#define SILK_RESAMPLER_MAX_IIR_ORDER 6
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typedef struct _silk_resampler_state_struct{
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opus_int32 sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */
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union{
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opus_int32 i32[ SILK_RESAMPLER_MAX_FIR_ORDER ];
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opus_int16 i16[ SILK_RESAMPLER_MAX_FIR_ORDER ];
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} sFIR;
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opus_int16 delayBuf[ 48 ];
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opus_int resampler_function;
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opus_int batchSize;
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opus_int32 invRatio_Q16;
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opus_int FIR_Order;
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opus_int FIR_Fracs;
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opus_int Fs_in_kHz;
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opus_int Fs_out_kHz;
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opus_int inputDelay;
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const opus_int16 *Coefs;
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} silk_resampler_state_struct;
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#ifdef __cplusplus
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}
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#endif
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#endif /* SILK_RESAMPLER_STRUCTS_H */
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