| /* |
| * drivers/amlogic/amlkaraoke/aml_audio_resampler.h |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| */ |
| |
| #ifndef __AUDIO_RESAMPLER_H__ |
| #define __AUDIO_RESAMPLER_H__ |
| |
| struct resample_para { |
| unsigned int fraction_step; |
| unsigned int sample_fraction; |
| short lastsample_left; |
| short lastsample_right; |
| unsigned int input_sr; |
| unsigned int output_sr; |
| unsigned int channels; |
| }; |
| |
| int resampler_init(struct resample_para *resample); |
| int resample_process( |
| struct resample_para *resample, |
| unsigned int in_frame, |
| short *input, short *output); |
| |
| #endif |
