572 lines
23 KiB
C++
572 lines
23 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/Synth.h"
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#include "sfizz/SfzHelpers.h"
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#include "TestHelpers.h"
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#include <absl/algorithm/container.h>
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#include "catch2/catch.hpp"
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// Need these for the introspection of Synth
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#include "sfizz/PolyphonyGroup.h"
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#include "sfizz/RegionSet.h"
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using namespace Catch::literals;
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using namespace sfz::literals;
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TEST_CASE("[Polyphony] Polyphony in hierarchy")
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{
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sfz::Synth synth;
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> key=61 sample=*sine polyphony=2
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<group> polyphony=2
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<region> key=62 sample=*sine
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<master> polyphony=3
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<region> key=63 sample=*sine
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<region> key=63 sample=*sine
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<region> key=63 sample=*sine
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<group> polyphony=4
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<region> key=64 sample=*sine polyphony=5
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<region> key=64 sample=*sine
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<region> key=64 sample=*sine
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<region> key=64 sample=*sine
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)");
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REQUIRE( synth.getRegionView(0)->polyphony == 2 );
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REQUIRE( synth.getRegionSetView(0)->getPolyphonyLimit() == 2 );
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REQUIRE( synth.getRegionView(1)->polyphony == 2 );
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REQUIRE( synth.getRegionSetView(1)->getPolyphonyLimit() == 3 );
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REQUIRE( synth.getRegionSetView(1)->getRegions()[0]->polyphony == 3 );
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REQUIRE( synth.getRegionSetView(2)->getPolyphonyLimit() == 4 );
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REQUIRE( synth.getRegionSetView(2)->getRegions()[0]->polyphony == 5 );
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REQUIRE( synth.getRegionSetView(2)->getRegions()[1]->polyphony == 4 );
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}
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TEST_CASE("[Polyphony] Polyphony groups")
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{
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sfz::Synth synth;
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<group> polyphony=2
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<region> key=62 sample=*sine
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<group> group=1 polyphony=3
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<region> key=63 sample=*sine
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<region> key=63 sample=*sine group=2 polyphony=4
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<region> key=63 sample=*sine group=4 polyphony=5
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<group> group=4
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<region> key=62 sample=*sine
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)");
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REQUIRE( synth.getNumPolyphonyGroups() == 4 );
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REQUIRE( synth.getNumRegions() == 5 );
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REQUIRE( synth.getRegionView(0)->group == 0 );
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REQUIRE( synth.getRegionView(1)->group == 1 );
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REQUIRE( synth.getRegionView(2)->group == 2 );
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REQUIRE( synth.getRegionView(3)->group == 4 );
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REQUIRE( synth.getRegionView(3)->polyphony == 5 );
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REQUIRE( synth.getRegionView(4)->group == 4 );
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REQUIRE( synth.getPolyphonyGroupView(1)->getPolyphonyLimit() == 3 );
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REQUIRE( synth.getPolyphonyGroupView(2)->getPolyphonyLimit() == 4 );
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REQUIRE( !synth.getPolyphonyGroupView(3) );
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REQUIRE( synth.getPolyphonyGroupView(4)->getPolyphonyLimit() == 5 );
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}
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TEST_CASE("[Polyphony] group polyphony limits")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<group> group=1 polyphony=2
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<region> sample=*sine key=65
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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}
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TEST_CASE("[Polyphony] Hierarchy polyphony limits")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<group> polyphony=2
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<region> sample=*sine key=65
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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}
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TEST_CASE("[Polyphony] Hierarchy polyphony limits (group)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<group> polyphony=2
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<region> sample=*sine key=65
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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}
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TEST_CASE("[Polyphony] Hierarchy polyphony limits (master)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<master> polyphony=2
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<group> polyphony=5
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<region> sample=*sine key=65
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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}
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TEST_CASE("[Polyphony] Hierarchy polyphony limits (limit in another master)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<master> polyphony=2
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<region> sample=*saw key=65
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<master>
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<group> polyphony=5
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<region> sample=*sine key=66
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.noteOn(3, 66, 64);
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synth.noteOn(4, 66, 64);
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synth.noteOn(5, 66, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 6);
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REQUIRE( numPlayingVoices(synth) == 5); // One is releasing
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}
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TEST_CASE("[Polyphony] Hierarchy polyphony limits (global)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<global> polyphony=2
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<group> polyphony=5
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<region> sample=*sine key=65
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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}
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TEST_CASE("[Polyphony] Polyphony in master")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<master> polyphony=2
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<group> group=2
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<region> sample=*sine key=65
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<group> group=3
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<region> sample=*sine key=63
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<master> // Empty master resets the polyphony
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<region> sample=*sine key=61
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)");
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synth.noteOn(0, 65, 64);
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synth.noteOn(1, 65, 64);
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synth.noteOn(2, 65, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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synth.allSoundOff();
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 0);
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synth.noteOn(0, 63, 64);
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synth.noteOn(1, 63, 64);
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synth.noteOn(2, 63, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 2 ); // One is releasing
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synth.allSoundOff();
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 0);
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synth.noteOn(0, 61, 64);
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synth.noteOn(1, 61, 64);
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synth.noteOn(2, 61, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 );
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REQUIRE( numPlayingVoices(synth) == 3 );
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}
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TEST_CASE("[Polyphony] Self-masking")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> sample=*sine key=64 note_polyphony=2
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)");
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synth.noteOn(0, 64, 63);
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synth.noteOn(1, 64, 62);
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synth.noteOn(2, 64, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 ); // One of these is releasing
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REQUIRE( numPlayingVoices(synth) == 2 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 62_norm);
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REQUIRE( synth.getVoiceView(1)->offedOrFree()); // The lowest velocity voice is the masking candidate
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REQUIRE( synth.getVoiceView(2)->getTriggerEvent().value == 64_norm);
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REQUIRE(!synth.getVoiceView(2)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Not self-masking")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> sample=*sine key=66 note_polyphony=2 note_selfmask=off
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)");
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synth.noteOn(0, 66, 63 );
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synth.noteOn(1, 66, 62 );
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synth.noteOn(2, 66, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 ); // One of these is releasing
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REQUIRE( numPlayingVoices(synth) == 2 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE( synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 62_norm);
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REQUIRE(!synth.getVoiceView(1)->offedOrFree());
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REQUIRE( synth.getVoiceView(2)->getTriggerEvent().value == 64_norm);
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REQUIRE(!synth.getVoiceView(2)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Self-masking with the exact same velocity")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path(), R"(
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<region> sample=*sine key=64 note_polyphony=2
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)");
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synth.noteOn(0, 64, 64);
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synth.noteOn(1, 64, 63 );
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synth.noteOn(2, 64, 63 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 3 ); // One of these is releasing
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REQUIRE( numPlayingVoices(synth) == 2 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 64_norm);
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REQUIRE(!synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 63_norm);
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REQUIRE( synth.getVoiceView(1)->offedOrFree()); // The first one is the masking candidate since they have the same velocity
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REQUIRE( synth.getVoiceView(2)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(2)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Self-masking only works from low to high")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> sample=*sine key=64 note_polyphony=1
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)");
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synth.noteOn(0, 64, 63 );
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synth.noteOn(1, 64, 62 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 2 ); // Both notes are playing
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REQUIRE( numPlayingVoices(synth) == 2 ); // id
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 62_norm);
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REQUIRE(!synth.getVoiceView(1)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony checks works across regions in the same polyphony group (default)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> sample=*saw key=64 note_polyphony=1
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<region> sample=*sine key=64 note_polyphony=1
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)");
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synth.noteOn(0, 64, 62 );
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synth.noteOn(1, 64, 63 );
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synth.renderBlock(buffer);
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REQUIRE( numPlayingVoices(synth) == 1 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 62_norm);
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REQUIRE( synth.getVoiceView(0)->offedOrFree()); // got killed
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 62_norm);
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REQUIRE( synth.getVoiceView(1)->offedOrFree()); // got killed
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REQUIRE( synth.getVoiceView(2)->getTriggerEvent().value == 63_norm);
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REQUIRE( synth.getVoiceView(2)->offedOrFree()); // got killed
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REQUIRE( synth.getVoiceView(3)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(3)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony checks works across regions in the same polyphony group (default, with keyswitches)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<global> sw_lokey=36 sw_hikey=37 sw_default=36
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<region> sw_last=36 key=48 note_polyphony=1 sample=*saw
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<region> sw_last=37 key=48 transpose=12 note_polyphony=1 sample=*tri
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)");
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synth.noteOn(0, 48, 63 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 1);
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synth.cc(1, 64, 127);
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synth.noteOn(2, 37, 127);
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synth.noteOff(3, 37, 0);
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synth.noteOn(4, 48, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 2 );
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REQUIRE( numPlayingVoices(synth) == 1 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE( synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 64_norm);
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REQUIRE(!synth.getVoiceView(1)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony do not operate across polyphony groups")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> group=1 sample=*saw key=64 note_polyphony=1
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<region> group=2 sample=*sine key=64 note_polyphony=1
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)");
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synth.noteOn(0, 64, 62 );
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synth.noteOn(1, 64, 63 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 4); // Both notes are playing
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REQUIRE(numPlayingVoices(synth) == 2 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 62_norm);
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REQUIRE( synth.getVoiceView(0)->offedOrFree()); // got killed
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 62_norm);
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REQUIRE( synth.getVoiceView(1)->offedOrFree()); // got killed
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REQUIRE( synth.getVoiceView(2)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(2)->offedOrFree());
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REQUIRE( synth.getVoiceView(3)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(3)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony do not operate across polyphony groups (with keyswitches)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<global> sw_lokey=36 sw_hikey=37 sw_default=36
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<region> group=1 sw_last=36 key=48 note_polyphony=1 sample=*saw
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<region> group=2 sw_last=37 key=48 transpose=12 note_polyphony=1 sample=*tri
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)");
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synth.noteOn(0, 48, 63 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 1);
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synth.cc(1, 64, 127);
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synth.noteOn(2, 37, 127);
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synth.noteOff(3, 37, 0);
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synth.noteOn(4, 48, 64);
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 2 );
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REQUIRE(numPlayingVoices(synth) == 2 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 64_norm);
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REQUIRE(!synth.getVoiceView(1)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony operates on release voices")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> key=48 note_polyphony=1 sample=*saw trigger=release_key ampeg_attack=1 ampeg_decay=1
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)");
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synth.noteOn(0, 48, 63 );
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synth.noteOff(10, 48, 0 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 1);
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synth.noteOn(20, 48, 65 );
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synth.noteOff(30, 48, 10 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 2 );
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REQUIRE(numPlayingVoices(synth) == 1 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE( synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 65_norm);
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REQUIRE(!synth.getVoiceView(1)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony operates on release voices (masking works from low to high but takes into account the replaced velocity)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> key=48 note_polyphony=1 sample=*saw trigger=release_key ampeg_attack=1 ampeg_decay=1
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)");
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synth.noteOn(0, 48, 63 );
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synth.noteOff(10, 48, 0 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 1);
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REQUIRE( numPlayingVoices(synth) == 1 );
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synth.noteOn(20, 48, 61 );
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synth.noteOff(30, 48, 10 );
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synth.renderBlock(buffer);
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REQUIRE( synth.getNumActiveVoices() == 2 );
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REQUIRE( numPlayingVoices(synth) == 2 );
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REQUIRE( synth.getVoiceView(0)->getTriggerEvent().value == 63_norm);
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REQUIRE(!synth.getVoiceView(0)->offedOrFree());
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REQUIRE( synth.getVoiceView(1)->getTriggerEvent().value == 61_norm);
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REQUIRE(!synth.getVoiceView(1)->offedOrFree());
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}
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TEST_CASE("[Polyphony] Note polyphony operates on release voices and sustain pedal")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
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<region> key=48 sample=*sine
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<region> key=48 note_polyphony=1 sample=*saw trigger=release ampeg_attack=1 ampeg_decay=1
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)");
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synth.cc(0, 64, 127);
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synth.noteOn(0, 48, 61 );
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synth.noteOff(1, 48, 0 );
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synth.noteOn(2, 48, 62 );
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synth.noteOff(3, 48, 0 );
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synth.noteOn(4, 48, 63 );
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synth.noteOff(5, 48, 0 );
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synth.renderBlock(buffer);
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std::vector<std::string> expectedSamples { "*sine", "*sine", "*sine" };
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REQUIRE( playingSamples(synth) == expectedSamples );
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synth.cc(20, 64, 0);
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synth.renderBlock(buffer);
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std::vector<std::string> expectedSamples2 { "*saw" };
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std::vector<float> expectedVelocities { 63_norm };
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REQUIRE( playingVelocities(synth) == expectedVelocities );
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REQUIRE( playingSamples(synth) == expectedSamples2 );
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}
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TEST_CASE("[Polyphony] Note polyphony operates on release voices and sustain pedal (masking)")
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{
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sfz::Synth synth;
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
|
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synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
|
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<region> key=48 sample=*sine
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|
<region> key=48 note_polyphony=1 sample=*saw trigger=release ampeg_attack=1 ampeg_decay=1
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)");
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synth.cc(0, 64, 127);
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synth.noteOn(0, 48, 63 );
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synth.noteOff(1, 48, 0 );
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synth.noteOn(2, 48, 62 );
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synth.noteOff(3, 48, 0 );
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synth.noteOn(4, 48, 61 );
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synth.noteOff(5, 48, 0 );
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synth.renderBlock(buffer);
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std::vector<std::string> expectedSamples { "*sine", "*sine", "*sine" };
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REQUIRE( playingSamples(synth) == expectedSamples );
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synth.cc(20, 64, 0);
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synth.renderBlock(buffer);
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std::vector<std::string> expectedSamples2 { "*saw", "*saw", "*saw" };
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std::vector<float> expectedVelocities { 63_norm, 62_norm, 61_norm };
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REQUIRE( playingSamples(synth) == expectedSamples2 );
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REQUIRE( playingVelocities(synth) == expectedVelocities );
|
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}
|
|
|
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TEST_CASE("[Polyphony] Bi-directional choking (with polyphony)")
|
|
{
|
|
sfz::Synth synth;
|
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sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
|
|
synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
|
|
<group> key=60 polyphony=1
|
|
<region> sample=kick.wav loop_mode=one_shot
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|
<region> sample=snare.wav trigger=release
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|
)");
|
|
synth.noteOn(0, 60, 63 );
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|
synth.renderBlock(buffer);
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REQUIRE( playingSamples(synth) == std::vector<std::string> { "kick.wav" } );
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|
synth.noteOff(10, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( playingSamples(synth) == std::vector<std::string> { "snare.wav" } );
|
|
synth.noteOn(20, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( playingSamples(synth) == std::vector<std::string> { "kick.wav" } );
|
|
}
|
|
|
|
TEST_CASE("[Polyphony] Bi-directional choking (with note_polyphony)")
|
|
{
|
|
sfz::Synth synth;
|
|
sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
|
|
synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
|
|
<group> key=60 note_polyphony=1
|
|
<region> sample=kick.wav loop_mode=one_shot
|
|
<region> sample=snare.wav trigger=release
|
|
)");
|
|
synth.noteOn(0, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( playingSamples(synth) == std::vector<std::string> { "kick.wav" } );
|
|
synth.noteOff(10, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( playingSamples(synth) == std::vector<std::string> { "snare.wav" } );
|
|
synth.noteOn(20, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( playingSamples(synth) == std::vector<std::string> { "kick.wav" } );
|
|
}
|
|
|
|
TEST_CASE("[Polyphony] Choke long release tails")
|
|
{
|
|
sfz::Synth synth;
|
|
sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
|
|
synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
|
|
<region> sample=*saw ampeg_attack=0.1 ampeg_release=10 polyphony=1
|
|
)");
|
|
int attackBlocks = static_cast<int>(0.1f / synth.getSamplesPerBlock() * 48000.0f) + 1;
|
|
synth.noteOn(0, 60, 63 );
|
|
for (int i = 0; i < attackBlocks; ++i)
|
|
synth.renderBlock(buffer);
|
|
synth.noteOff(10, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( numPlayingVoices(synth) == 0 ); // Released
|
|
REQUIRE( numActiveVoices(synth) == 1 );
|
|
synth.noteOn(0, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( numPlayingVoices(synth) == 1 ); // Not released, attack phase
|
|
REQUIRE( numActiveVoices(synth) == 1 );
|
|
}
|
|
|
|
TEST_CASE("[Polyphony] Choke long release tails with note_polyphony")
|
|
{
|
|
sfz::Synth synth;
|
|
sfz::AudioBuffer<float> buffer { 2, static_cast<unsigned>(synth.getSamplesPerBlock()) };
|
|
synth.loadSfzString(fs::current_path() / "tests/TestFiles/polyphony.sfz", R"(
|
|
<region> sample=*saw ampeg_attack=0.1 ampeg_release=10 note_polyphony=1
|
|
)");
|
|
int attackBlocks = static_cast<int>(0.1f / synth.getSamplesPerBlock() * 48000.0f) + 1;
|
|
synth.noteOn(0, 60, 63 );
|
|
for (int i = 0; i < attackBlocks; ++i)
|
|
synth.renderBlock(buffer);
|
|
synth.noteOff(10, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( numPlayingVoices(synth) == 0 ); // Released
|
|
REQUIRE( numActiveVoices(synth) == 1 );
|
|
synth.noteOn(0, 60, 63 );
|
|
synth.renderBlock(buffer);
|
|
REQUIRE( numPlayingVoices(synth) == 1 ); // Not released, attack phase
|
|
REQUIRE( numActiveVoices(synth) == 1 );
|
|
}
|