478 lines
19 KiB
C++
478 lines
19 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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#include "sfizz/Defaults.h"
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#include "sfizz/Region.h"
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#include "sfizz/RegionStateful.h"
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#include "sfizz/MidiState.h"
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#include "sfizz/SfzHelpers.h"
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#include "catch2/catch.hpp"
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#include <chrono>
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#include <thread>
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using namespace Catch::literals;
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using namespace sfz::literals;
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using namespace sfz;
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constexpr int numRandomTests { 64 };
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TEST_CASE("[Region] Crossfade in on key")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_lokey", "1" });
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region.parseOpcode({ "xfin_hikey", "3" });
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REQUIRE(noteGain(region, 2, 127_norm, midiState, curveSet) == 0.70711_a);
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REQUIRE(noteGain(region, 1, 127_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 3, 127_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade in on key - 2")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_lokey", "1" });
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region.parseOpcode({ "xfin_hikey", "5" });
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REQUIRE(noteGain(region, 1, 127_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 2, 127_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 3, 127_norm, midiState, curveSet) == 0.70711_a);
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REQUIRE(noteGain(region, 4, 127_norm, midiState, curveSet) == 0.86603_a);
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REQUIRE(noteGain(region, 5, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 6, 127_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade in on key - gain")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_lokey", "1" });
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region.parseOpcode({ "xfin_hikey", "5" });
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region.parseOpcode({ "xf_keycurve", "gain" });
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REQUIRE(noteGain(region, 1, 127_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 2, 127_norm, midiState, curveSet) == 0.25_a);
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REQUIRE(noteGain(region, 3, 127_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 4, 127_norm, midiState, curveSet) == 0.75_a);
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REQUIRE(noteGain(region, 5, 127_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade out on key")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfout_lokey", "51" });
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region.parseOpcode({ "xfout_hikey", "55" });
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REQUIRE(noteGain(region, 50, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 51, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 52, 127_norm, midiState, curveSet) == 0.86603_a);
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REQUIRE(noteGain(region, 53, 127_norm, midiState, curveSet) == 0.70711_a);
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REQUIRE(noteGain(region, 54, 127_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 55, 127_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 56, 127_norm, midiState, curveSet) == 0.0_a);
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}
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TEST_CASE("[Region] Crossfade out on key - gain")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfout_lokey", "51" });
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region.parseOpcode({ "xfout_hikey", "55" });
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region.parseOpcode({ "xf_keycurve", "gain" });
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REQUIRE(noteGain(region, 50, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 51, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 52, 127_norm, midiState, curveSet) == 0.75_a);
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REQUIRE(noteGain(region, 53, 127_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 54, 127_norm, midiState, curveSet) == 0.25_a);
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REQUIRE(noteGain(region, 55, 127_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 56, 127_norm, midiState, curveSet) == 0.0_a);
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}
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TEST_CASE("[Region] Crossfade in on velocity")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_lovel", "20" });
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region.parseOpcode({ "xfin_hivel", "24" });
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region.parseOpcode({ "amp_veltrack", "0" });
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REQUIRE(noteGain(region, 1, 19_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 1, 20_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 2, 21_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 3, 22_norm, midiState, curveSet) == 0.70711_a);
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REQUIRE(noteGain(region, 4, 23_norm, midiState, curveSet) == 0.86603_a);
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REQUIRE(noteGain(region, 5, 24_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 6, 25_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade in on vel - gain")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_lovel", "20" });
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region.parseOpcode({ "xfin_hivel", "24" });
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region.parseOpcode({ "xf_velcurve", "gain" });
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region.parseOpcode({ "amp_veltrack", "0" });
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REQUIRE(noteGain(region, 1, 19_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 1, 20_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 2, 21_norm, midiState, curveSet) == 0.25_a);
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REQUIRE(noteGain(region, 3, 22_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 4, 23_norm, midiState, curveSet) == 0.75_a);
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REQUIRE(noteGain(region, 5, 24_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 5, 25_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade out on vel")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfout_lovel", "51" });
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region.parseOpcode({ "xfout_hivel", "55" });
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region.parseOpcode({ "amp_veltrack", "0" });
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REQUIRE(noteGain(region, 5, 50_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 5, 51_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 5, 52_norm, midiState, curveSet) == 0.86603_a);
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REQUIRE(noteGain(region, 5, 53_norm, midiState, curveSet) == 0.70711_a);
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REQUIRE(noteGain(region, 5, 54_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 5, 55_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 5, 56_norm, midiState, curveSet) == 0.0_a);
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}
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TEST_CASE("[Region] Crossfade out on vel - gain")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfout_lovel", "51" });
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region.parseOpcode({ "xfout_hivel", "55" });
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region.parseOpcode({ "xf_velcurve", "gain" });
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region.parseOpcode({ "amp_veltrack", "0" });
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REQUIRE(noteGain(region, 56, 50_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 56, 51_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 56, 52_norm, midiState, curveSet) == 0.75_a);
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REQUIRE(noteGain(region, 56, 53_norm, midiState, curveSet) == 0.5_a);
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REQUIRE(noteGain(region, 56, 54_norm, midiState, curveSet) == 0.25_a);
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REQUIRE(noteGain(region, 56, 55_norm, midiState, curveSet) == 0.0_a);
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REQUIRE(noteGain(region, 56, 56_norm, midiState, curveSet) == 0.0_a);
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}
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TEST_CASE("[Region] Crossfade in on CC")
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{
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MidiState midiState;
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Region region { 0 };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_locc24", "20" });
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region.parseOpcode({ "xfin_hicc24", "24" });
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region.parseOpcode({ "amp_veltrack", "0" });
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midiState.ccEvent(0, 24, 19_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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midiState.ccEvent(0, 24, 20_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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midiState.ccEvent(0, 24, 21_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.5_a);
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midiState.ccEvent(0, 24, 22_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.70711_a);
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midiState.ccEvent(0, 24, 23_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.86603_a);
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midiState.ccEvent(0, 24, 24_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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midiState.ccEvent(0, 24, 25_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade in on CC - gain")
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{
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MidiState midiState;
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Region region { 0 };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfin_locc24", "20" });
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region.parseOpcode({ "xfin_hicc24", "24" });
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region.parseOpcode({ "amp_veltrack", "0" });
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region.parseOpcode({ "xf_cccurve", "gain" });
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midiState.ccEvent(0, 24, 19_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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midiState.ccEvent(0, 24, 20_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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midiState.ccEvent(0, 24, 21_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.25_a);
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midiState.ccEvent(0, 24, 22_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.5_a);
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midiState.ccEvent(0, 24, 23_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.75_a);
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midiState.ccEvent(0, 24, 24_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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midiState.ccEvent(0, 24, 25_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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}
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TEST_CASE("[Region] Crossfade out on CC")
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{
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MidiState midiState;
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Region region { 0 };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfout_locc24", "20" });
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region.parseOpcode({ "xfout_hicc24", "24" });
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region.parseOpcode({ "amp_veltrack", "0" });
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midiState.ccEvent(0, 24, 19_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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midiState.ccEvent(0, 24, 20_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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midiState.ccEvent(0, 24, 21_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.86603_a);
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midiState.ccEvent(0, 24, 22_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.70711_a);
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midiState.ccEvent(0, 24, 23_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.5_a);
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midiState.ccEvent(0, 24, 24_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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midiState.ccEvent(0, 24, 25_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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}
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TEST_CASE("[Region] Crossfade out on CC - gain")
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{
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MidiState midiState;
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Region region { 0 };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "xfout_locc24", "20" });
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region.parseOpcode({ "xfout_hicc24", "24" });
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region.parseOpcode({ "amp_veltrack", "0" });
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region.parseOpcode({ "xf_cccurve", "gain" });
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midiState.ccEvent(0, 24, 19_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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midiState.ccEvent(0, 24, 20_norm);
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REQUIRE(crossfadeGain(region, midiState) == 1.0_a);
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midiState.ccEvent(0, 24, 21_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.75_a);
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midiState.ccEvent(0, 24, 22_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.5_a);
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midiState.ccEvent(0, 24, 23_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.25_a);
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midiState.ccEvent(0, 24, 24_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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midiState.ccEvent(0, 24, 25_norm);
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REQUIRE(crossfadeGain(region, midiState) == 0.0_a);
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}
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TEST_CASE("[Region] Velocity bug for extreme values - veltrack at 0")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "amp_veltrack", "0" });
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REQUIRE(noteGain(region, 64, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 64, 0_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] Velocity bug for extreme values - positive veltrack")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "amp_veltrack", "100" });
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REQUIRE(noteGain(region, 64, 127_norm, midiState, curveSet) == 1.0_a);
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REQUIRE(noteGain(region, 64, 0_norm, midiState, curveSet) == Approx(0.0).margin(0.0001));
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}
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TEST_CASE("[Region] Velocity bug for extreme values - negative veltrack")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "amp_veltrack", "-100" });
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REQUIRE(noteGain(region, 64, 127_norm, midiState, curveSet) == Approx(0.0).margin(0.0001));
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REQUIRE(noteGain(region, 64, 0_norm, midiState, curveSet) == 1.0_a);
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}
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TEST_CASE("[Region] rt_decay")
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{
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MidiState midiState;
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midiState.setSampleRate(1000);
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Region region { 0 };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "trigger", "release" });
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region.parseOpcode({ "rt_decay", "10" });
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midiState.noteOnEvent(0, 64, 64_norm);
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midiState.advanceTime(100);
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REQUIRE( baseVolumedB(region, midiState, 64) == Approx(Default::volume - 1.0f).margin(0.1) );
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region.parseOpcode({ "rt_decay", "20" });
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midiState.noteOnEvent(0, 64, 64_norm);
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midiState.advanceTime(100);
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REQUIRE( baseVolumedB(region, midiState, 64) == Approx(Default::volume - 2.0f).margin(0.1) );
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region.parseOpcode({ "trigger", "attack" });
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midiState.noteOnEvent(0, 64, 64_norm);
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midiState.advanceTime(100);
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REQUIRE( baseVolumedB(region, midiState, 64) == Approx(Default::volume).margin(0.1) );
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}
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TEST_CASE("[Region] Base delay")
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{
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MidiState midiState;
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Region region { 0 };
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region.parseOpcode({ "sample", "*sine" });
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region.parseOpcode({ "delay", "10" });
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REQUIRE( regionDelay(region, midiState) == 10.0f );
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region.parseOpcode({ "delay_random", "10" });
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Random::randomGenerator.seed(42);
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for (int i = 0; i < numRandomTests; ++i)
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{
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auto delay = regionDelay(region, midiState);
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REQUIRE( (delay >= 10.0 && delay <= 20.0) );
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}
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}
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TEST_CASE("[Region] Offsets with CCs")
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{
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MidiState midiState;
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Region region { 0 };
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region.parseOpcode({ "offset_cc4", "255" });
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region.parseOpcode({ "offset", "10" });
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REQUIRE( sampleOffset(region, midiState) == 10 );
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midiState.ccEvent(0, 4, 127_norm);
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REQUIRE( sampleOffset(region, midiState) == 265 );
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midiState.ccEvent(0, 4, 100_norm);
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REQUIRE( sampleOffset(region, midiState) == 210 );
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midiState.ccEvent(0, 4, 10_norm);
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REQUIRE( sampleOffset(region, midiState) == 30 );
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midiState.ccEvent(0, 4, 0);
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REQUIRE( sampleOffset(region, midiState) == 10 );
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}
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TEST_CASE("[Region] Pitch variation with veltrack")
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{
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Region region { 0 };
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MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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|
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REQUIRE(basePitchVariation(region, 60.0, 0_norm, midiState, curveSet) == 1.0);
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REQUIRE(basePitchVariation(region, 60.0, 64_norm, midiState, curveSet) == 1.0);
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REQUIRE(basePitchVariation(region, 60.0, 127_norm, midiState, curveSet) == 1.0);
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region.parseOpcode({ "pitch_veltrack", "1200" });
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REQUIRE(basePitchVariation(region, 60.0, 0_norm, midiState, curveSet) == 1.0);
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REQUIRE(basePitchVariation(region, 60.0, 64_norm, midiState, curveSet) == Approx(centsFactor(600.0)).margin(0.01f));
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REQUIRE(basePitchVariation(region, 60.0, 127_norm, midiState, curveSet) == Approx(centsFactor(1200.0)).margin(0.01f));
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}
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|
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TEST_CASE("[Synth] velcurve")
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|
{
|
|
MidiState midiState;
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CurveSet curveSet { CurveSet::createPredefined() };
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|
|
|
struct VelocityData { float velocity, gain; bool exact; };
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static const VelocityData veldata[] = {
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{ 0_norm, 0.0, true },
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{ 32_norm, 0.5f, false },
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{ 64_norm, 1.0, true },
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{ 96_norm, 1.0, true },
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|
{ 127_norm, 1.0, true },
|
|
};
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|
|
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SECTION("Default veltrack")
|
|
{
|
|
sfz::Region region { 0 };
|
|
region.parseOpcode({ "sample", "*sine" });
|
|
region.parseOpcode({ "amp_velcurve_064", "1" });
|
|
region.velCurve = Curve::buildFromVelcurvePoints(
|
|
region.velocityPoints, Curve::Interpolator::Linear);
|
|
for (const VelocityData& vd : veldata) {
|
|
if (vd.exact) {
|
|
REQUIRE(velocityCurve(region, vd.velocity, midiState, curveSet) == vd.gain);
|
|
} else {
|
|
REQUIRE(velocityCurve(region, vd.velocity, midiState, curveSet) == Approx(vd.gain).margin(1e-2));
|
|
}
|
|
}
|
|
}
|
|
|
|
SECTION("Inverted veltrack")
|
|
{
|
|
sfz::Region region { 0 };
|
|
region.parseOpcode({ "sample", "*sine" });
|
|
region.parseOpcode({ "amp_velcurve_064", "1" });
|
|
region.parseOpcode({ "amp_veltrack", "-100" });
|
|
region.velCurve = Curve::buildFromVelcurvePoints(
|
|
region.velocityPoints, Curve::Interpolator::Linear);
|
|
for (const VelocityData& vd : veldata) {
|
|
if (vd.exact) {
|
|
REQUIRE(velocityCurve(region, vd.velocity, midiState, curveSet) == 1.0f - vd.gain);
|
|
} else {
|
|
REQUIRE(velocityCurve(region, vd.velocity, midiState, curveSet) == Approx( 1.0f - vd.gain).margin(1e-2));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_CASE("[Synth] veltrack")
|
|
{
|
|
struct VelocityData { float velocity, dBGain; };
|
|
struct VeltrackData { float veltrack; absl::Span<const VelocityData> veldata; };
|
|
|
|
MidiState midiState;
|
|
CurveSet curveSet { CurveSet::createPredefined() };
|
|
|
|
// measured on ARIA
|
|
const VelocityData veldata25[] = {
|
|
{ 127_norm, 0.0 },
|
|
{ 96_norm, -1 },
|
|
{ 64_norm, -1.8 },
|
|
{ 32_norm, -2.3 },
|
|
{ 1_norm, -2.5 },
|
|
};
|
|
const VelocityData veldata50[] = {
|
|
{ 127_norm, 0.0 },
|
|
{ 96_norm, -2.1 },
|
|
{ 64_norm, -4.1 },
|
|
{ 32_norm, -5.5 },
|
|
{ 1_norm, -6.0 },
|
|
};
|
|
const VelocityData veldata75[] = {
|
|
{ 127_norm, 0.0 },
|
|
{ 96_norm, -3.4 },
|
|
{ 64_norm, -7.2 },
|
|
{ 32_norm, -10.5 },
|
|
{ 1_norm, -12.0 },
|
|
};
|
|
const VelocityData veldata100[] = {
|
|
{ 127_norm, 0.0 },
|
|
{ 96_norm, -4.9 },
|
|
{ 64_norm, -12.0 },
|
|
{ 32_norm, -24.0 },
|
|
{ 1_norm, -84.1 },
|
|
};
|
|
|
|
const VeltrackData veltrackdata[] = {
|
|
{ 25, absl::MakeConstSpan(veldata25) },
|
|
{ 50, absl::MakeConstSpan(veldata50) },
|
|
{ 75, absl::MakeConstSpan(veldata75) },
|
|
{ 100, absl::MakeConstSpan(veldata100) },
|
|
};
|
|
|
|
for (const VeltrackData& vt : veltrackdata) {
|
|
sfz::Region region { 0 };
|
|
region.parseOpcode({ "sample", "*sine" });
|
|
region.parseOpcode({ "amp_veltrack", std::to_string(vt.veltrack) });
|
|
|
|
for (const VelocityData& vd : vt.veldata) {
|
|
float dBGain = 20.0f * std::log10(velocityCurve(region, vd.velocity, midiState, curveSet));
|
|
REQUIRE(dBGain == Approx(vd.dBGain).margin(0.1));
|
|
}
|
|
}
|
|
}
|