sfizz/tests/SynthT.cpp
2020-02-19 14:04:59 +01:00

210 lines
7.1 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// This code is part of the sfizz library and is licensed under a BSD 2-clause
// license. You should have receive a LICENSE.md file along with the code.
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
#include "sfizz/Synth.h"
#include "catch2/catch.hpp"
using namespace Catch::literals;
constexpr int blockSize { 256 };
TEST_CASE("[Synth] Play and check active voices")
{
sfz::Synth synth;
synth.setSamplesPerBlock(256);
sfz::AudioBuffer<float> buffer { 2, blockSize };
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/groups_avl.sfz");
synth.noteOn(0, 36, 24);
synth.noteOn(0, 36, 89);
REQUIRE(synth.getNumActiveVoices() == 2);
// Render for a while
for (int i = 0; i < 200; ++i)
synth.renderBlock(buffer);
REQUIRE(synth.getNumActiveVoices() == 0);
}
TEST_CASE("[Synth] Change the number of voice while playing")
{
sfz::Synth synth;
synth.setSamplesPerBlock(256);
sfz::AudioBuffer<float> buffer { 2, blockSize };
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/groups_avl.sfz");
synth.noteOn(0, 36, 24);
synth.noteOn(0, 36, 89);
synth.renderBlock(buffer);
REQUIRE(synth.getNumActiveVoices() == 2);
synth.setNumVoices(8);
REQUIRE(synth.getNumActiveVoices() == 0);
REQUIRE(synth.getNumVoices() == 8);
}
TEST_CASE("[Synth] Check that the sample per block and sample rate are actually propagated to all voices even on recreation")
{
sfz::Synth synth;
synth.setSamplesPerBlock(256);
synth.setSampleRate(96000);
for (int i = 0; i < synth.getNumVoices(); ++i)
{
REQUIRE( synth.getVoiceView(i)->getSamplesPerBlock() == 256 );
REQUIRE( synth.getVoiceView(i)->getSampleRate() == 96000.0f );
}
synth.setNumVoices(8);
for (int i = 0; i < synth.getNumVoices(); ++i)
{
REQUIRE( synth.getVoiceView(i)->getSamplesPerBlock() == 256 );
REQUIRE( synth.getVoiceView(i)->getSampleRate() == 96000.0f );
}
synth.setSamplesPerBlock(128);
synth.setSampleRate(48000);
for (int i = 0; i < synth.getNumVoices(); ++i)
{
REQUIRE( synth.getVoiceView(i)->getSamplesPerBlock() == 128 );
REQUIRE( synth.getVoiceView(i)->getSampleRate() == 48000.0f );
}
synth.setNumVoices(64);
for (int i = 0; i < synth.getNumVoices(); ++i)
{
REQUIRE( synth.getVoiceView(i)->getSamplesPerBlock() == 128 );
REQUIRE( synth.getVoiceView(i)->getSampleRate() == 48000.0f );
}
}
TEST_CASE("[Synth] Check that we can change the size of the preload before and after loading")
{
sfz::Synth synth;
synth.setPreloadSize(512);
sfz::AudioBuffer<float> buffer { 2, blockSize };
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/groups_avl.sfz");
synth.setPreloadSize(1024);
synth.noteOn(0, 36, 24);
synth.noteOn(0, 36, 89);
synth.renderBlock(buffer);
synth.setPreloadSize(2048);
synth.renderBlock(buffer);
}
TEST_CASE("[Synth] Check that we can change the oversampling factor before and after loading")
{
sfz::Synth synth;
synth.setOversamplingFactor(sfz::Oversampling::x2);
sfz::AudioBuffer<float> buffer { 2, blockSize };
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/groups_avl.sfz");
synth.setOversamplingFactor(sfz::Oversampling::x4);
synth.noteOn(0, 36, 24);
synth.noteOn(0, 36, 89);
synth.renderBlock(buffer);
synth.setOversamplingFactor(sfz::Oversampling::x2);
synth.renderBlock(buffer);
}
TEST_CASE("[Synth] All notes offs/all sounds off")
{
sfz::Synth synth;
synth.setNumVoices(8);
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/sound_off.sfz");
synth.noteOn(0, 60, 63);
synth.noteOn(0, 62, 63);
REQUIRE( synth.getNumActiveVoices() == 2 );
synth.cc(0, 120, 63);
REQUIRE( synth.getNumActiveVoices() == 0 );
synth.noteOn(0, 62, 63);
synth.noteOn(0, 60, 63);
REQUIRE( synth.getNumActiveVoices() == 2 );
synth.cc(0, 123, 63);
REQUIRE( synth.getNumActiveVoices() == 0 );
}
TEST_CASE("[Synth] Reset all controllers")
{
sfz::Synth synth;
synth.cc(0, 12, 64);
REQUIRE( synth.getMidiState().getCCValue(12) == 64 );
synth.cc(0, 121, 64);
REQUIRE( synth.getMidiState().getCCValue(12) == 0 );
}
TEST_CASE("[Synth] Releasing before the EG started smoothing (initial delay) kills the voice")
{
sfz::Synth synth;
synth.setSamplesPerBlock(1024);
synth.setNumVoices(1);
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/delay_release.sfz");
synth.noteOn(0, 60, 63);
REQUIRE( !synth.getVoiceView(0)->isFree() );
synth.noteOff(100, 60, 63);
REQUIRE( synth.getVoiceView(0)->isFree() );
synth.noteOn(200, 60, 63);
REQUIRE( !synth.getVoiceView(0)->isFree() );
synth.noteOff(1000, 60, 63);
REQUIRE( !synth.getVoiceView(0)->isFree() );
}
TEST_CASE("[Synth] Releasing after the initial and normal mode does not trigger a fast release")
{
sfz::Synth synth;
synth.setSamplesPerBlock(1024);
sfz::AudioBuffer<float> buffer(2, 1024);
synth.setNumVoices(1);
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/delay_release.sfz");
synth.noteOn(200, 60, 63);
REQUIRE( !synth.getVoiceView(0)->isFree() );
synth.renderBlock(buffer);
REQUIRE( !synth.getVoiceView(0)->isFree() );
synth.noteOff(0, 60, 63);
synth.renderBlock(buffer);
REQUIRE( !synth.getVoiceView(0)->isFree() );
}
TEST_CASE("[Synth] Trigger=release and an envelope properly kills the voice at the end of the envelope")
{
sfz::Synth synth;
synth.setSampleRate(48000);
synth.setSamplesPerBlock(480);
sfz::AudioBuffer<float> buffer(2, 480);
synth.setNumVoices(1);
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/envelope_trigger_release.sfz");
synth.noteOn(0, 60, 63);
synth.noteOff(0, 60, 63);
REQUIRE( !synth.getVoiceView(0)->isFree() );
synth.renderBlock(buffer); // Attack (0.02)
synth.renderBlock(buffer);
synth.renderBlock(buffer); // Decay (0.02)
synth.renderBlock(buffer);
synth.renderBlock(buffer); // Release (0.1)
REQUIRE( synth.getVoiceView(0)->canBeStolen() );
// Release is 0.1s
for (int i = 0; i < 10; ++i)
synth.renderBlock(buffer);
REQUIRE( synth.getVoiceView(0)->isFree() );
}
TEST_CASE("[Synth] Trigger=release_key and an envelope properly kills the voice at the end of the envelope")
{
sfz::Synth synth;
synth.setSampleRate(48000);
synth.setSamplesPerBlock(480);
sfz::AudioBuffer<float> buffer(2, 480);
synth.setNumVoices(1);
synth.loadSfzFile(fs::current_path() / "tests/TestFiles/envelope_trigger_release_key.sfz");
synth.noteOn(0, 60, 63);
synth.noteOff(0, 60, 63);
REQUIRE( !synth.getVoiceView(0)->isFree() );
synth.renderBlock(buffer); // Attack (0.02)
synth.renderBlock(buffer);
synth.renderBlock(buffer); // Decay (0.02)
synth.renderBlock(buffer);
synth.renderBlock(buffer); // Release (0.1)
REQUIRE( synth.getVoiceView(0)->canBeStolen() );
// Release is 0.1s
for (int i = 0; i < 10; ++i)
synth.renderBlock(buffer);
REQUIRE( synth.getVoiceView(0)->isFree() );
}