1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libopus/silk/resampler_structs.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,60 @@
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_RESAMPLER_STRUCTS_H
1.32 +#define SILK_RESAMPLER_STRUCTS_H
1.33 +
1.34 +#ifdef __cplusplus
1.35 +extern "C" {
1.36 +#endif
1.37 +
1.38 +#define SILK_RESAMPLER_MAX_FIR_ORDER 36
1.39 +#define SILK_RESAMPLER_MAX_IIR_ORDER 6
1.40 +
1.41 +typedef struct _silk_resampler_state_struct{
1.42 + opus_int32 sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */
1.43 + union{
1.44 + opus_int32 i32[ SILK_RESAMPLER_MAX_FIR_ORDER ];
1.45 + opus_int16 i16[ SILK_RESAMPLER_MAX_FIR_ORDER ];
1.46 + } sFIR;
1.47 + opus_int16 delayBuf[ 48 ];
1.48 + opus_int resampler_function;
1.49 + opus_int batchSize;
1.50 + opus_int32 invRatio_Q16;
1.51 + opus_int FIR_Order;
1.52 + opus_int FIR_Fracs;
1.53 + opus_int Fs_in_kHz;
1.54 + opus_int Fs_out_kHz;
1.55 + opus_int inputDelay;
1.56 + const opus_int16 *Coefs;
1.57 +} silk_resampler_state_struct;
1.58 +
1.59 +#ifdef __cplusplus
1.60 +}
1.61 +#endif
1.62 +#endif /* SILK_RESAMPLER_STRUCTS_H */
1.63 +
