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https://github.com/qTox/qTox.git
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15917d1a01
It compiles with modified OpenAL (unchanged logic otherwise), but effectiveness needs testing (like uTox)
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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Copyright (C) 2014 by Project Tox <https://tox.im>
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This file is part of qTox, a Qt-based graphical interface for Tox.
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This program is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the COPYING file for more details.
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*/
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#ifdef QTOX_FILTER_AUDIO
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#include "audiofilterer.h"
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extern "C"{
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#include <filter_audio.h>
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}
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void AudioFilterer::startFilter(unsigned int fs)
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{
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closeFilter();
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filter = new_filter_audio(fs);
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}
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void AudioFilterer::closeFilter()
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{
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if (filter)
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kill_filter_audio(filter);
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filter = nullptr;
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}
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bool AudioFilterer::filterAudio(int16_t* data, int framesize)
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{
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return filter && 0 == filter_audio(filter, (int16_t*) data, framesize);
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}
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/* Enable/disable filters. 1 to enable, 0 to disable. */
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bool AudioFilterer::enableDisableFilters(int echo, int noise, int gain)
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{
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return filter && 0 == enable_disable_filters(filter, echo, noise, gain);
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}
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/* Give the audio output from your software to this function so it knows what echo to cancel from the frame */
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bool AudioFilterer::passAudioOutput(const int16_t *data, int samples)
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{
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return filter && 0 == pass_audio_output(filter, data, samples);
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}
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/* Tell the echo canceller how much time in ms it takes for audio to be played and recorded back after. */
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bool AudioFilterer::setEchoDelayMs(int16_t msInSndCardBuf)
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{
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return filter && 0 == set_echo_delay_ms(filter, msInSndCardBuf);
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}
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AudioFilterer::~AudioFilterer()
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{
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closeFilter();
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}
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#endif // QTOX_FILTER_AUDIO
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