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AudioStream: Swap to shared soundtouch library

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Yay licensing requirements.
This commit is contained in:
Stenzek
2024-08-02 20:53:35 +10:00
parent aa400f12ae
commit 6d70d24bc4
13 changed files with 108 additions and 28 deletions
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43
src/util/audio_stream.cpp
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@ -13,7 +13,8 @@
#include "common/small_string.h"
#include "common/timer.h"
#include "SoundTouch.h"
#include "soundtouch/SoundTouch.h"
#include "soundtouch/SoundTouchDLL.h"
#ifndef __ANDROID__
#include "freesurround_decoder.h"
@ -505,9 +506,9 @@ void AudioStream::EmptyBuffer()
if (IsStretchEnabled())
{
m_soundtouch->clear();
soundtouch_clear(m_soundtouch);
if (m_parameters.stretch_mode == AudioStretchMode::TimeStretch)
m_soundtouch->setTempo(m_nominal_rate);
soundtouch_setTempo(m_soundtouch, m_nominal_rate);
}
m_wpos.store(m_rpos.load(std::memory_order_acquire), std::memory_order_release);
@ -517,9 +518,9 @@ void AudioStream::SetNominalRate(float tempo)
{
m_nominal_rate = tempo;
if (m_parameters.stretch_mode == AudioStretchMode::Resample)
m_soundtouch->setRate(tempo);
soundtouch_setRate(m_soundtouch, tempo);
else if (m_parameters.stretch_mode == AudioStretchMode::TimeStretch && m_stretch_inactive)
m_soundtouch->setTempo(tempo);
soundtouch_setTempo(m_soundtouch, tempo);
}
void AudioStream::SetStretchMode(AudioStretchMode mode)
@ -703,21 +704,21 @@ void AudioStream::StretchAllocate()
if (m_parameters.stretch_mode == AudioStretchMode::Off)
return;
m_soundtouch = std::make_unique<soundtouch::SoundTouch>();
m_soundtouch->setSampleRate(m_sample_rate);
m_soundtouch->setChannels(m_internal_channels);
m_soundtouch = soundtouch_createInstance();
soundtouch_setSampleRate(m_soundtouch, m_sample_rate);
soundtouch_setChannels(m_soundtouch, m_internal_channels);
m_soundtouch->setSetting(SETTING_USE_QUICKSEEK, m_parameters.stretch_use_quickseek);
m_soundtouch->setSetting(SETTING_USE_AA_FILTER, m_parameters.stretch_use_aa_filter);
soundtouch_setSetting(m_soundtouch, SETTING_USE_QUICKSEEK, m_parameters.stretch_use_quickseek);
soundtouch_setSetting(m_soundtouch, SETTING_USE_AA_FILTER, m_parameters.stretch_use_aa_filter);
m_soundtouch->setSetting(SETTING_SEQUENCE_MS, m_parameters.stretch_sequence_length_ms);
m_soundtouch->setSetting(SETTING_SEEKWINDOW_MS, m_parameters.stretch_seekwindow_ms);
m_soundtouch->setSetting(SETTING_OVERLAP_MS, m_parameters.stretch_overlap_ms);
soundtouch_setSetting(m_soundtouch, SETTING_SEQUENCE_MS, m_parameters.stretch_sequence_length_ms);
soundtouch_setSetting(m_soundtouch, SETTING_SEEKWINDOW_MS, m_parameters.stretch_seekwindow_ms);
soundtouch_setSetting(m_soundtouch, SETTING_OVERLAP_MS, m_parameters.stretch_overlap_ms);
if (m_parameters.stretch_mode == AudioStretchMode::Resample)
m_soundtouch->setRate(m_nominal_rate);
soundtouch_setRate(m_soundtouch, m_nominal_rate);
else
m_soundtouch->setTempo(m_nominal_rate);
soundtouch_setTempo(m_soundtouch, m_nominal_rate);
m_stretch_reset = STRETCH_RESET_THRESHOLD;
m_stretch_inactive = false;
@ -731,17 +732,21 @@ void AudioStream::StretchAllocate()
void AudioStream::StretchDestroy()
{
m_soundtouch.reset();
if (m_soundtouch)
{
soundtouch_destroyInstance(m_soundtouch);
m_soundtouch = nullptr;
}
}
void AudioStream::StretchWriteBlock(const float* block)
{
if (IsStretchEnabled())
{
m_soundtouch->putSamples(block, CHUNK_SIZE);
soundtouch_putSamples(m_soundtouch, block, CHUNK_SIZE);
u32 tempProgress;
while (tempProgress = m_soundtouch->receiveSamples(m_float_buffer.get(), CHUNK_SIZE), tempProgress != 0)
while (tempProgress = soundtouch_receiveSamples(m_soundtouch, m_float_buffer.get(), CHUNK_SIZE), tempProgress != 0)
{
FloatChunkToS16(m_staging_buffer.get(), m_float_buffer.get(), tempProgress * m_internal_channels);
InternalWriteFrames(m_staging_buffer.get(), tempProgress);
@ -865,7 +870,7 @@ void AudioStream::UpdateStretchTempo()
iterations++;
}
m_soundtouch->setTempo(tempo);
soundtouch_setTempo(m_soundtouch, tempo);
if (m_stretch_reset >= STRETCH_RESET_THRESHOLD)
m_stretch_reset = 0;