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/**
* Copyright © 2017-2025 Wellington Wallace
*
* This file is part of Easy Effects.
*
* Easy Effects 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 3 of the License, or
* (at your option) any later version.
*
* Easy Effects 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.
*
* You should have received a copy of the GNU General Public License
* along with Easy Effects. If not, see <https://www.gnu.org/licenses/>.
*/
#include "resampler.hpp"
#include <speex/speex_resampler.h>
#include <format>
#include "util.hpp"
Resampler::Resampler(const int& input_rate, const int& output_rate)
: resample_ratio(static_cast<double>(output_rate) / static_cast<double>(input_rate)) {
int err = 0;
state = speex_resampler_init(1, input_rate, output_rate,
SPEEX_RESAMPLER_QUALITY_DESKTOP, // quality: 0–10
&err);
if (!state || err != RESAMPLER_ERR_SUCCESS) {
util::warning(std::format("error while initializing speex resampler: {}", speex_resampler_strerror(err)));
}
}
Resampler::~Resampler() {
if (state) {
speex_resampler_destroy(state);
}
}
void Resampler::set_quality(const int& value) {
speex_resampler_set_quality(state, value);
}
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