90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
#include "SpeexDSP.h"
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#include "Timer.h"
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#include <speex/speex_echo.h>
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#include <speex/speex_preprocess.h>
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#include <QLoggingCategory>
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namespace SpeexWebRTCTest {
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namespace {
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Q_LOGGING_CATEGORY(Speex, "speex")
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int on = 1;
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int off = 0;
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} // namespace
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SpeexDSP::SpeexDSP(const QAudioFormat& mainFormat, const QAudioFormat& auxFormat)
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: AudioEffect(mainFormat, auxFormat)
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{
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preprocess_ = speex_preprocess_state_init(getFrameSize(), getMainFormat().sampleRate());
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echo_ = speex_echo_state_init_mc(getFrameSize(), getFrameSize() * 10,
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getMainFormat().channelCount(), getAuxFormat().channelCount());
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_VAD, &on);
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_DENOISE, &off);
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_AGC, &off);
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std::int32_t sampleRate = getMainFormat().sampleRate();
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speex_echo_ctl(echo_, SPEEX_ECHO_SET_SAMPLING_RATE, &sampleRate);
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}
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SpeexDSP::~SpeexDSP()
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{
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speex_preprocess_state_destroy(preprocess_);
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speex_echo_state_destroy(echo_);
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}
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void SpeexDSP::processFrame(QAudioBuffer& mainBuffer, const QAudioBuffer& auxBuffer)
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{
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TIMER(qDebug(Speex))
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qDebug(Speex).noquote() << QString(
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"got %1 near-end samples (%2ms) and %3 far-end samples (%4ms)")
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.arg(mainBuffer.frameCount())
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.arg(mainBuffer.duration() / 1000)
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.arg(auxBuffer.frameCount())
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.arg(auxBuffer.duration() / 1000);
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Q_ASSERT(mainBuffer.frameCount() == auxBuffer.frameCount());
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bool voiceActive = (speex_preprocess_run(preprocess_, mainBuffer.data<spx_int16_t>()) == 1);
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setVoiceActive(voiceActive);
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if (aecEnabled)
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speex_echo_cancellation(echo_, mainBuffer.data<spx_int16_t>(),
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auxBuffer.data<spx_int16_t>(), mainBuffer.data<spx_int16_t>());
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}
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void SpeexDSP::setParameter(const QString& param, QVariant value)
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{
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if (param == "noise_reduction_enabled")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_DENOISE, value.data());
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else if (param == "noise_reduction_max_attenuation")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, value.data());
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else if (param == "echo_cancellation_enabled")
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aecEnabled = value.toBool();
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else if (param == "echo_cancellation_max_attenuation")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_ECHO_SUPPRESS, value.data());
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else if (param == "gain_control_enabled")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_AGC, value.data());
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else if (param == "gain_control_level")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_AGC_TARGET, value.data());
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else if (param == "gain_control_max_gain")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_AGC_MAX_GAIN, value.data());
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else if (param == "gain_control_max_increment")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_AGC_INCREMENT, value.data());
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else if (param == "gain_control_max_decrement")
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speex_preprocess_ctl(preprocess_, SPEEX_PREPROCESS_SET_AGC_DECREMENT, value.data());
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else
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throw std::invalid_argument("Invalid param");
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}
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unsigned int SpeexDSP::requiredFrameSizeMs() const
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{
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return 25;
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}
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} // namespace SpeexWebRTCTest
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