public DrumMachineDemoViewModel(DrumPattern pattern) { this.pattern = pattern; this.tempo = 100; PlayCommand = new DelegateCommand(Play); StopCommand = new DelegateCommand(Stop); }
public void Pattern_Sequencer_Should_Return_No_Mixer_Inputs_For_An_Empty_Pattern() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); var sequencer = new PatternSequencer(pattern, new TestKit()); var mixerInputs = sequencer.GetNextMixerInputs(100); Assert.AreEqual(0, mixerInputs.Count()); }
public DrumPatternSampleProvider(DrumPattern pattern) { var kit = new DrumKit(); this.sequencer = new PatternSequencer(pattern, kit); this.waveFormat = kit.WaveFormat; mixer = new MixingSampleProvider(waveFormat); }
public void Pattern_Sequencer_Should_Not_Return_Mixer_Inputs_For_Steps_That_Are_Outside_The_Requested_Range() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 2] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(2); Assert.AreEqual(0, mixerInputs.Count()); }
public void Pattern_Sequencer_Should_Return_A_Non_Delayed_Mixer_Input_For_A_Beat_At_Position_Zero() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 0] = 127; var sequencer = new PatternSequencer(pattern, new TestKit()); var mixerInputs = sequencer.GetNextMixerInputs(100); Assert.AreEqual(1, mixerInputs.Count()); Assert.AreEqual(0, mixerInputs.First().DelayBy); }
public void Pattern_Sequencer_Should_Loop_Around_After_Reaching_The_End_Of_The_Pattern() { var pattern = new DrumPattern(new[] { "Bass Drum" }, 16); pattern[0, 2] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(32); // twice through Assert.AreEqual(2, mixerInputs.Count()); }
public void Pattern_Sequencer_Should_Return_Mixer_Inputs_for_Beats_On_Any_Note() { var pattern = new DrumPattern(new string[] { "Bass Drum", "Snare Drum" }, 16); pattern[1, 5] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(16); // tempo is half, so only half the beats should get read Assert.AreEqual(1, mixerInputs.Count); }
public void Pattern_Sequencer_Should_Return_A_Non_Delayed_Mixer_Input_For_A_Beat_At_Position_Zero() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 0] = 127; var sequencer = new PatternSequencer(pattern, new TestKit()); var mixerInputs = sequencer.GetNextMixerInputs(100); Assert.AreEqual(1, mixerInputs.Count()); Assert.AreEqual(0, mixerInputs.First().DelayBy); }
public void Pattern_Sequencer_Should_Not_Return_Mixer_Inputs_For_Steps_That_Are_Outside_The_Requested_Range() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 2] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(2); Assert.AreEqual(0, mixerInputs.Count()); }
public DrumMachineDemoViewModel(DrumPattern pattern) { this.pattern = pattern; this.tempo = 100; PlayCommand = new RelayCommand( () => this.Play(), () => true); StopCommand = new RelayCommand( () => this.Stop(), () => true); }
public void Pattern_Sequencer_Should_Set_DelayBy_On_Mixer_Inputs_That_Are_Not_At_The_Start() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 1] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(2); Assert.AreEqual(1, mixerInputs.Count()); Assert.AreEqual(1, mixerInputs.First().DelayBy); }
public void Pattern_Sequencer_Should_Set_DelayBy_On_Mixer_Inputs_That_Are_Not_At_The_Start() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 1] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(2); Assert.AreEqual(1, mixerInputs.Count()); Assert.AreEqual(1, mixerInputs.First().DelayBy); }
public void Pattern_Sequencer_Should_Carry_On_From_Where_It_Left_Off_On_Second_Call() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 1] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // first read gets nothing var mixerInputs = sequencer.GetNextMixerInputs(1); Assert.AreEqual(0, mixerInputs.Count(), "First read"); // second read gets something mixerInputs = sequencer.GetNextMixerInputs(1); Assert.AreEqual(1, mixerInputs.Count(), "Second Read"); }
public DrumPatternEditor() { InitializeComponent(); var notes = new string[] { "Kick", "Snare", "Closed Hats", "Open Hats" }; this.pattern = new DrumPattern(notes, 16); // auto-setup with a simple example beat this.pattern[0, 0] = this.pattern[0, 8] = 127; this.pattern[1, 4] = this.pattern[1, 12] = 127; for (int n = 0; n < pattern.Steps; n++) { this.pattern[2, n] = 127; } DrawNoteNames(); DrawPattern(namesColumnWidth); DrawGridLines(namesColumnWidth); }
public void DelayBy_Values_Are_Relative_To_Current_Position_On_Subsequent_Calls() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 6] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // first read gets nothing var mixerInputs = sequencer.GetNextMixerInputs(3); Assert.AreEqual(0, mixerInputs.Count(), "First read"); // second read gets something mixerInputs = sequencer.GetNextMixerInputs(4); Assert.AreEqual(1, mixerInputs.Count(), "Second Read"); Assert.AreEqual(3, mixerInputs.First().DelayBy, "DelayBy"); }
public DrumPatternEditor() { InitializeComponent(); var notes = new string[] { "Kick", "Snare", "Closed Hats", "Open Hats" }; this.pattern = new DrumPattern(notes, 16); // auto-setup with a simple example beat this.pattern[0, 0] = this.pattern[0, 8] = 127; this.pattern[1, 4] = this.pattern[1, 12] = 127; for (int n = 0; n < pattern.Steps; n++) { this.pattern[2, n] = 127; } DrawNoteNames(); DrawPattern(namesColumnWidth); DrawGridLines(namesColumnWidth); }
public void DelayBy_Values_Should_Be_Correct_On_Wraparound() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 0] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // read 12 of the 16 steps var mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(1, mixerInputs.Count, "First read"); // read 12 more - will wrap around mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(1, mixerInputs.Count, "Second Read"); Assert.AreEqual(4, mixerInputs[0].DelayBy, "Inputs[0].DelayBy"); }
public void When_Tempo_Is_Halved_DelayBy_Is_Doubled() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); for (int n = 0; n < pattern.Steps; n++) { pattern[0, n] = 127; } var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); sequencer.Tempo = 60; // half tempo var mixerInputs = sequencer.GetNextMixerInputs(16); // tempo is half, so only half the beats should get read Assert.AreEqual(2, mixerInputs[1].DelayBy, "First beat DelayBy"); }
public void Tempo_Can_Be_Changed() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); for (int n = 0; n < pattern.Steps; n++) { pattern[0, n] = 127; } var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); sequencer.Tempo = 60; // half tempo var mixerInputs = sequencer.GetNextMixerInputs(16); // tempo is half, so only half the beats should get read Assert.AreEqual(8, mixerInputs.Count, "First read"); }
public void Multiple_DelayBy_Values_Are_All_Relative_To_Current_Position_Before_Calling_GetNextMixerInputs() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 6] = 127; pattern[0, 7] = 127; pattern[0, 8] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // first read gets nothing var mixerInputs = sequencer.GetNextMixerInputs(3); Assert.AreEqual(0, mixerInputs.Count, "First read"); // second read gets something mixerInputs = sequencer.GetNextMixerInputs(10); Assert.AreEqual(3, mixerInputs.Count, "Second Read"); Assert.AreEqual(3, mixerInputs[0].DelayBy, "Inputs[0].DelayBy"); Assert.AreEqual(4, mixerInputs[1].DelayBy, "Inputs[1].DelayBy"); Assert.AreEqual(5, mixerInputs[2].DelayBy, "Inputs[2].DelayBy"); }
public void DelayBy_Values_Should_Be_Correct_On_Subsequent_Read_After_Wraparound() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 0] = 127; pattern[0, 10] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // read 12 of the 16 steps (ends at pos 12) var mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(2, mixerInputs.Count, "First read"); // read 12 more - will wrap around (ends at pos 8) mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(1, mixerInputs.Count, "Second Read"); Assert.AreEqual(4, mixerInputs[0].DelayBy, "Inputs[0].DelayBy"); // read 12 more - (start from pos 8, ends at pos 4) mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(2, mixerInputs[0].DelayBy, "3rd Read Inputs[0].DelayBy"); Assert.AreEqual(8, mixerInputs[1].DelayBy, "3rd Read Inputs[1].DelayBy"); }
public void Multiple_DelayBy_Values_Are_All_Relative_To_Current_Position_Before_Calling_GetNextMixerInputs() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 6] = 127; pattern[0, 7] = 127; pattern[0, 8] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // first read gets nothing var mixerInputs = sequencer.GetNextMixerInputs(3); Assert.AreEqual(0, mixerInputs.Count, "First read"); // second read gets something mixerInputs = sequencer.GetNextMixerInputs(10); Assert.AreEqual(3, mixerInputs.Count, "Second Read"); Assert.AreEqual(3, mixerInputs[0].DelayBy, "Inputs[0].DelayBy"); Assert.AreEqual(4, mixerInputs[1].DelayBy, "Inputs[1].DelayBy"); Assert.AreEqual(5, mixerInputs[2].DelayBy, "Inputs[2].DelayBy"); }
public void DelayBy_Values_Should_Be_Correct_On_Wraparound() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 0] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // read 12 of the 16 steps var mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(1, mixerInputs.Count, "First read"); // read 12 more - will wrap around mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(1, mixerInputs.Count, "Second Read"); Assert.AreEqual(4, mixerInputs[0].DelayBy, "Inputs[0].DelayBy"); }
public PatternSequencer(DrumPattern drumPattern, DrumKit kit) { this.drumKit = kit; this.drumPattern = drumPattern; this.Tempo = 120; }
public void DelayBy_Values_Should_Be_Correct_On_Subsequent_Read_After_Wraparound() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 0] = 127; pattern[0, 10] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // read 12 of the 16 steps (ends at pos 12) var mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(2, mixerInputs.Count, "First read"); // read 12 more - will wrap around (ends at pos 8) mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(1, mixerInputs.Count, "Second Read"); Assert.AreEqual(4, mixerInputs[0].DelayBy, "Inputs[0].DelayBy"); // read 12 more - (start from pos 8, ends at pos 4) mixerInputs = sequencer.GetNextMixerInputs(12); Assert.AreEqual(2, mixerInputs[0].DelayBy, "3rd Read Inputs[0].DelayBy"); Assert.AreEqual(8, mixerInputs[1].DelayBy, "3rd Read Inputs[1].DelayBy"); }
public void Tempo_Can_Be_Changed() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); for (int n = 0; n < pattern.Steps; n++) pattern[0, n] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); sequencer.Tempo = 60; // half tempo var mixerInputs = sequencer.GetNextMixerInputs(16); // tempo is half, so only half the beats should get read Assert.AreEqual(8, mixerInputs.Count, "First read"); }
public void When_Tempo_Is_Halved_DelayBy_Is_Doubled() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); for (int n = 0; n < pattern.Steps; n++) pattern[0, n] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); sequencer.Tempo = 60; // half tempo var mixerInputs = sequencer.GetNextMixerInputs(16); // tempo is half, so only half the beats should get read Assert.AreEqual(2, mixerInputs[1].DelayBy, "First beat DelayBy"); }
public void Pattern_Sequencer_Should_Return_Mixer_Inputs_for_Beats_On_Any_Note() { var pattern = new DrumPattern(new string[] { "Bass Drum", "Snare Drum" }, 16); pattern[1, 5] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(16); // tempo is half, so only half the beats should get read Assert.AreEqual(1, mixerInputs.Count); }
public void Pattern_Sequencer_Should_Loop_Around_After_Reaching_The_End_Of_The_Pattern() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 2] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); var mixerInputs = sequencer.GetNextMixerInputs(32); // twice through Assert.AreEqual(2, mixerInputs.Count()); }
public void DelayBy_Values_Are_Relative_To_Current_Position_On_Subsequent_Calls() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 6] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // first read gets nothing var mixerInputs = sequencer.GetNextMixerInputs(3); Assert.AreEqual(0, mixerInputs.Count(), "First read"); // second read gets something mixerInputs = sequencer.GetNextMixerInputs(4); Assert.AreEqual(1, mixerInputs.Count(), "Second Read"); Assert.AreEqual(3, mixerInputs.First().DelayBy, "DelayBy"); }
public PatternSequencer(DrumPattern drumPattern, DrumKit kit) { drumKit = kit; this.drumPattern = drumPattern; Tempo = 120; }
public void Pattern_Sequencer_Should_Carry_On_From_Where_It_Left_Off_On_Second_Call() { var pattern = new DrumPattern(new string[] { "Bass Drum" }, 16); pattern[0, 1] = 127; var sequencer = new PatternSequencer(pattern, new TestKit(CalculateSampleRateForTempo(120))); // first read gets nothing var mixerInputs = sequencer.GetNextMixerInputs(1); Assert.AreEqual(0, mixerInputs.Count(), "First read"); // second read gets something mixerInputs = sequencer.GetNextMixerInputs(1); Assert.AreEqual(1, mixerInputs.Count(), "Second Read"); }