michael@0: /***********************************************************************
michael@0: Copyright (c) 2006-2011, Skype Limited. All rights reserved.
michael@0: Redistribution and use in source and binary forms, with or without
michael@0: modification, are permitted provided that the following conditions
michael@0: are met:
michael@0: - Redistributions of source code must retain the above copyright notice,
michael@0: this list of conditions and the following disclaimer.
michael@0: - Redistributions in binary form must reproduce the above copyright
michael@0: notice, this list of conditions and the following disclaimer in the
michael@0: documentation and/or other materials provided with the distribution.
michael@0: - Neither the name of Internet Society, IETF or IETF Trust, nor the
michael@0: names of specific contributors, may be used to endorse or promote
michael@0: products derived from this software without specific prior written
michael@0: permission.
michael@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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michael@0: POSSIBILITY OF SUCH DAMAGE.
michael@0: ***********************************************************************/
michael@0: 
michael@0: #ifndef SILK_RESAMPLER_STRUCTS_H
michael@0: #define SILK_RESAMPLER_STRUCTS_H
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: extern "C" {
michael@0: #endif
michael@0: 
michael@0: #define SILK_RESAMPLER_MAX_FIR_ORDER                 36
michael@0: #define SILK_RESAMPLER_MAX_IIR_ORDER                 6
michael@0: 
michael@0: typedef struct _silk_resampler_state_struct{
michael@0:     opus_int32       sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */
michael@0:     union{
michael@0:         opus_int32   i32[ SILK_RESAMPLER_MAX_FIR_ORDER ];
michael@0:         opus_int16   i16[ SILK_RESAMPLER_MAX_FIR_ORDER ];
michael@0:     }                sFIR;
michael@0:     opus_int16       delayBuf[ 48 ];
michael@0:     opus_int         resampler_function;
michael@0:     opus_int         batchSize;
michael@0:     opus_int32       invRatio_Q16;
michael@0:     opus_int         FIR_Order;
michael@0:     opus_int         FIR_Fracs;
michael@0:     opus_int         Fs_in_kHz;
michael@0:     opus_int         Fs_out_kHz;
michael@0:     opus_int         inputDelay;
michael@0:     const opus_int16 *Coefs;
michael@0: } silk_resampler_state_struct;
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: }
michael@0: #endif
michael@0: #endif /* SILK_RESAMPLER_STRUCTS_H */
michael@0: