cannam@154: /*********************************************************************** cannam@154: Copyright (c) 2006-2011, Skype Limited. All rights reserved. cannam@154: Redistribution and use in source and binary forms, with or without cannam@154: modification, are permitted provided that the following conditions cannam@154: are met: cannam@154: - Redistributions of source code must retain the above copyright notice, cannam@154: this list of conditions and the following disclaimer. cannam@154: - Redistributions in binary form must reproduce the above copyright cannam@154: notice, this list of conditions and the following disclaimer in the cannam@154: documentation and/or other materials provided with the distribution. cannam@154: - Neither the name of Internet Society, IETF or IETF Trust, nor the cannam@154: names of specific contributors, may be used to endorse or promote cannam@154: products derived from this software without specific prior written cannam@154: permission. cannam@154: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" cannam@154: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE cannam@154: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE cannam@154: ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE cannam@154: LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR cannam@154: CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF cannam@154: SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS cannam@154: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN cannam@154: CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) cannam@154: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE cannam@154: POSSIBILITY OF SUCH DAMAGE. cannam@154: ***********************************************************************/ cannam@154: cannam@154: #ifndef SILK_RESAMPLER_STRUCTS_H cannam@154: #define SILK_RESAMPLER_STRUCTS_H cannam@154: cannam@154: #ifdef __cplusplus cannam@154: extern "C" { cannam@154: #endif cannam@154: cannam@154: #define SILK_RESAMPLER_MAX_FIR_ORDER 36 cannam@154: #define SILK_RESAMPLER_MAX_IIR_ORDER 6 cannam@154: cannam@154: typedef struct _silk_resampler_state_struct{ cannam@154: opus_int32 sIIR[ SILK_RESAMPLER_MAX_IIR_ORDER ]; /* this must be the first element of this struct */ cannam@154: union{ cannam@154: opus_int32 i32[ SILK_RESAMPLER_MAX_FIR_ORDER ]; cannam@154: opus_int16 i16[ SILK_RESAMPLER_MAX_FIR_ORDER ]; cannam@154: } sFIR; cannam@154: opus_int16 delayBuf[ 48 ]; cannam@154: opus_int resampler_function; cannam@154: opus_int batchSize; cannam@154: opus_int32 invRatio_Q16; cannam@154: opus_int FIR_Order; cannam@154: opus_int FIR_Fracs; cannam@154: opus_int Fs_in_kHz; cannam@154: opus_int Fs_out_kHz; cannam@154: opus_int inputDelay; cannam@154: const opus_int16 *Coefs; cannam@154: } silk_resampler_state_struct; cannam@154: cannam@154: #ifdef __cplusplus cannam@154: } cannam@154: #endif cannam@154: #endif /* SILK_RESAMPLER_STRUCTS_H */ cannam@154: