/* * Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of * its 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 AUDIO_REVERB_RESAMPLE_H #define AUDIO_REVERB_RESAMPLE_H #include #ifdef __cplusplus extern "C" { #endif typedef struct _resample_info { uint16_t NumChannels; uint16_t BitsPerSample; uint32_t in_SampleRate; uint32_t out_SampleRate; void *out_buffer; uint32_t out_buffer_size; uint32_t out_frame_count; uint32_t out_frame_indeed; uint32_t mPhaseIncrement; uint32_t mPhaseFraction; uint16_t mInputIndex; int16_t mX0L; int16_t mX0R; } resample_info; extern void resample_init(resample_info *info); extern void resample(resample_info *info, int16_t *in_buffer, uint32_t buffer_length); extern void resample_release(resample_info *info); #ifdef __cplusplus } #endif #endif