diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 122 |
1 files changed, 0 insertions, 122 deletions
@@ -1,122 +0,0 @@ -Music sequencer and audio editor - - -Tech - -- kit - https://guattari.tech/git/kit -- stb - https://github.com/nothings/stb -- sokol - https://github.com/floooh/sokol -- nanovg - https://github.com/memononen/nanovg - https://github.com/inniyah/nanovg -- miniaudio - https://github.com/mackron/miniaudio - - -Algorithms - -- Rational bezier curves -- Biquad filter -- Cooley-Tukey FFT - - -Primary design - -Work in progress, not an actual final design. - - -Basic UI - -- Bus list -- Bus units -- Track editor -- Sheet editor - -+---------+ +-----------------------------------+ +-[ Bus A ]-------+ -[+]Bus A ^ | [ track 1 ====== ] ^ [+] Arpeggiator ^ -|---------| | | | [x] ** *** | -[+]Bus B | | [ track 2 ============== ] | | [ ] <--> ++ | -|---------| | | |-----------------| -[+]Master v | v [+] Synth | -[+]-------+ +<--------------------------------->+ | ^ ^ ^ [ ] | - | / \ / \ / [x] | -+----[ track 2 ]--------------------------------+ | V V [o] | -|F > ^ |-----------------| -|E > x x x x x | [+] Reverb | -|D > x x x x x | | <-----> [x] [u] | -|C > x x x x x x x v | v -+--|<------------------------------------------>+ [+]---------------+ - - -Modularity - -Music and audio features will be implemented as a separate library with no external dependencies. -UI and audio devices will be distinct modules which can be replaced. - - -Sheet data - - /---------------------\ - | | - | Note | - | | - | time : i64 | - | duration : i64 | - | frequency : f64 | - | amplitude : f64 | - | flavor : f64 | - | | - \---------------------/ - -Unlike MIDI, we will allow to set any floating-point value for the note frequency. -Time is defined as a sample index and therefore is relative to the sample rate. - - -Processing - -A unit is a processing entity. - - for each unit: - output[channel, time] = eval(inputs, channel, sample_rate, time) - -Unlike VST, time for a processing routine is one of explicit parameters. -The processing routine can access any samples of inputs. -This approach allows to evaluate samples non-sequentially, and even do some tricks like time-reverse effects. -Changing the sample rate is also quite simple. - - -Global matrix - - /---------------------------\ - | Matrix | - | | - | (connections data) | - | A.out[0] -> B.in[0] |-----------------+ - | B.out[0] -> Master.in[0] |----------------+| - | B.out[1] -> Master.in[1] | || - \---------------------------/ || - ^ | ^^ ||(in[0], in[1]) - | | || || - | | ||(out[0], out[1]) vv -/----------\ | | /----------\ /-----------\ -| Module A |---+ +-->| Module B | | Master | -| (sheet) | (out[0]) (in[0]) | (synth) | | (limiter) | -\----------/ \----------/ \-----------/ - -The global matrix manages the information about connections between units. -Each unit can communicate to others through the global matrix. -Each unit can have inputs and outputs for sheet and signal channels. - -To get data from a producing unit, the receiving unit will request the data from the global matrix using the input index. -The global matrix will resolve the producing unit by input index, and request data from it. -The evaluation startes from the master and gradually reaches all required units. - - -Global modifiers - -Special units can affect all regular units, filtered by some criteria. -This will allow to do some global changes, e.g. change the musical scale of the entire composition. - - -Customization - -In the matrix mode, any inputs and outputs can be connected. -A custom unit can be created with code editor and JIT-compilation. |