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| author | Jack Humbert <jack.humb@gmail.com> | 2016-12-21 01:38:22 +0100 |
|---|---|---|
| committer | Jack Humbert <jack.humb@gmail.com> | 2016-12-21 01:38:22 +0100 |
| commit | 438a5d685bb7b726ff59109ce4229eca6303cd8e (patch) | |
| tree | 3e3feecf370efe3dfd373bafa3db7ea347fa3449 /quantum/audio | |
| parent | 53ea854462c0b3b2c3c58a36b714ac02f773c74f (diff) | |
| download | qmk_firmware-438a5d685bb7b726ff59109ce4229eca6303cd8e.tar.gz qmk_firmware-438a5d685bb7b726ff59109ce4229eca6303cd8e.tar.xz | |
limit voices by default, add some drums
Diffstat (limited to 'quantum/audio')
| -rw-r--r-- | quantum/audio/voices.c | 105 | ||||
| -rw-r--r-- | quantum/audio/voices.h | 2 |
2 files changed, 82 insertions, 25 deletions
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 06ff275ba..4e3028977 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -33,6 +33,8 @@ float voice_envelope(float frequency) { polyphony_rate = 0; break; + #ifdef AUDIO_VOICES + case something: glissando = false; polyphony_rate = 0; @@ -58,36 +60,87 @@ float voice_envelope(float frequency) { case drums: glissando = false; polyphony_rate = 0; - note_timbre = 0; + // switch (compensated_index) { + // case 0 ... 10: + // note_timbre = 0.5; + // break; + // case 11 ... 20: + // note_timbre = 0.5 * (21 - compensated_index) / 10; + // break; + // default: + // note_timbre = 0; + // break; + // } + // frequency = (rand() % (int)(frequency * 1.2 - frequency)) + (frequency * 0.8); + + if (frequency < 80.0) { + + } else if (frequency < 160.0) { + + // Bass drum: 60 - 100 Hz + frequency = (rand() % (int)(40)) + 60; + switch (envelope_index) { + case 0 ... 10: + note_timbre = 0.5; + break; + case 11 ... 20: + note_timbre = 0.5 * (21 - envelope_index) / 10; + break; + default: + note_timbre = 0; + break; + } + + } else if (frequency < 320.0) { + + + // Snare drum: 1 - 2 KHz + frequency = (rand() % (int)(1000)) + 1000; + switch (envelope_index) { + case 0 ... 5: + note_timbre = 0.5; + break; + case 6 ... 20: + note_timbre = 0.5 * (21 - envelope_index) / 15; + break; + default: + note_timbre = 0; + break; + } + + } else if (frequency < 640.0) { + + // Closed Hi-hat: 3 - 5 KHz + frequency = (rand() % (int)(2000)) + 3000; switch (envelope_index) { - case 0 ... 20: + case 0 ... 15: note_timbre = 0.5; + break; + case 16 ... 20: + note_timbre = 0.5 * (21 - envelope_index) / 5; + break; default: - frequency = (rand() % (int)(frequency * 1.2 - frequency)) + (frequency * 0.8); + note_timbre = 0; break; } - // if (frequency < 80.0) { - // switch (envelope_index % 4) { - // case 0: - // frequency = 348.0; - // case 1: - // frequency = 53.0; - // case 2: - // frequency = 128.0; - // case 3: - // frequency = 934.0; - // default: - // break; - // } - // } else if (frequency < 160.0) { - - // } else if (frequency < 320.0) { - - // } else if (frequency < 640.0) { - - // } else if (frequency < 1280.0) { - - // } + + } else if (frequency < 1280.0) { + + // Open Hi-hat: 3 - 5 KHz + frequency = (rand() % (int)(2000)) + 3000; + switch (envelope_index) { + case 0 ... 35: + note_timbre = 0.5; + break; + case 36 ... 50: + note_timbre = 0.5 * (51 - envelope_index) / 15; + break; + default: + note_timbre = 0; + break; + } + + } break; case butts_fader: glissando = true; @@ -217,6 +270,8 @@ float voice_envelope(float frequency) { // note_timbre = 0.25; // break; + #endif + default: break; } diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h index 72f139e9c..52f7e006d 100644 --- a/quantum/audio/voices.h +++ b/quantum/audio/voices.h @@ -11,6 +11,7 @@ float voice_envelope(float frequency); typedef enum { default_voice, + #ifdef AUDIO_VOICES something, drums, butts_fader, @@ -23,6 +24,7 @@ typedef enum { // duty_fourth_down, // duty_third_down, // duty_fifth_third_down, + #endif number_of_voices // important that this is last } voice_type; |