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root / CollidoscopeApp / include / Messages.h @ 3:7fb593d53361
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| 1 | 0:02467299402e | f | #pragma once
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| 2 | |||
| 3 | 3:7fb593d53361 | f | /**
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| 4 | * Enumeration of all the possible commands exchanged between audio thread and graphic thread.
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| 5 | *
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| 6 | */
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| 7 | 0:02467299402e | f | enum class Command {
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| 8 | // message carrying info about one chunk of recorder audio.
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| 9 | WAVE_CHUNK, |
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| 10 | // message sent when a new recording starts. The gui resets the wave upon receiving it.
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| 11 | WAVE_START, |
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| 12 | |||
| 13 | TRIGGER_UPDATE, |
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| 14 | TRIGGER_END, |
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| 15 | |||
| 16 | NOTE_ON, |
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| 17 | NOTE_OFF, |
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| 18 | |||
| 19 | LOOP_ON, |
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| 20 | LOOP_OFF |
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| 21 | }; |
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| 22 | |||
| 23 | 3:7fb593d53361 | f | /** Message sent from the audio thread to the graphic wave when a new wave is recorded.
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| 24 | *
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| 25 | * The graphic thread set the chunks of the wave to reflect the level of the recorded audio.
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| 26 | * The algorithm takes the maximum and minimum value of a group of samples and this becomes the top and bottom of the samples.
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| 27 | * It contains the inde
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| 28 | * the cursor position when the grains are reset.
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| 29 | */
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| 30 | 0:02467299402e | f | struct RecordWaveMsg
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| 31 | {
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| 32 | 3:7fb593d53361 | f | Command cmd; // WAVE_CHUNK or WAVE_START
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| 33 | 0:02467299402e | f | std::size_t index; |
| 34 | float arg1;
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| 35 | float arg2;
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| 36 | }; |
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| 37 | |||
| 38 | 3:7fb593d53361 | f | /**
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| 39 | * Utility function to create a new RecordWaveMsg.
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| 40 | */
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| 41 | 0:02467299402e | f | inline RecordWaveMsg makeRecordWaveMsg( Command cmd, std::size_t index, float arg1, float arg2 ) |
| 42 | {
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| 43 | RecordWaveMsg msg; |
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| 44 | msg.cmd = cmd; |
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| 45 | msg.index = index; |
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| 46 | msg.arg1 = arg1; |
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| 47 | msg.arg2 = arg2; |
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| 48 | |||
| 49 | return msg;
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| 50 | } |
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| 51 | |||
| 52 | 3:7fb593d53361 | f | /**
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| 53 | * Message sent from the audio thread to the graphic thread when a new grain is triggered in the granular synthesizer.
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| 54 | * This creates a new cursor that travels from the beginning to the end of the selection to graphically represent the evolution of the grain in time.
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| 55 | *
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| 56 | */
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| 57 | 0:02467299402e | f | struct CursorTriggerMsg
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| 58 | {
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| 59 | 3:7fb593d53361 | f | Command cmd; // TRIGGER_UPDATE or TRIGGER_END
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| 60 | 0:02467299402e | f | int synthID;
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| 61 | }; |
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| 62 | |||
| 63 | 3:7fb593d53361 | f | /**
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| 64 | * Utility function to create a new CursorTriggerMsg.
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| 65 | */
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| 66 | 0:02467299402e | f | inline CursorTriggerMsg makeCursorTriggerMsg( Command cmd, std::uint8_t synthID )
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| 67 | {
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| 68 | CursorTriggerMsg msg; |
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| 69 | |||
| 70 | msg.cmd = cmd; |
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| 71 | msg.synthID = synthID; |
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| 72 | |||
| 73 | return msg;
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| 74 | } |
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| 75 | |||
| 76 | 3:7fb593d53361 | f | /**
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| 77 | * Message sent from the graphic (main) thread to the audio thread to start a new voice of the granular synthesizer.
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| 78 | */
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| 79 | 0:02467299402e | f | struct NoteMsg
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| 80 | {
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| 81 | 3:7fb593d53361 | f | Command cmd; // NOTE_ON/OFF ot LOOP_ON/OFF
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| 82 | 0:02467299402e | f | int midiNote;
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| 83 | double rate;
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| 84 | }; |
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| 85 | |||
| 86 | 3:7fb593d53361 | f | /**
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| 87 | * Utility function to create a new NoteMsg.
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| 88 | */
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| 89 | 0:02467299402e | f | inline NoteMsg makeNoteMsg( Command cmd, int midiNote, double rate ) |
| 90 | {
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| 91 | NoteMsg msg; |
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| 92 | |||
| 93 | msg.cmd = cmd; |
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| 94 | msg.midiNote = midiNote; |
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| 95 | msg.rate = rate; |
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| 96 | |||
| 97 | return msg;
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| 98 | 3:7fb593d53361 | f | } |