[obsidian] vault backup: 2025-10-09 19:33:16

content/.smart-env/multi/BEAM_VM_md.ajson

@@ -0,0 +1,2 @@
+
+"smart_sources:BEAM VM.md": {"path":"BEAM VM.md","last_embed":{"hash":null},"embeddings":{},"last_read":{"hash":"1ez38xj","at":1759895635941},"class_name":"SmartSource","last_import":{"mtime":1759895607843,"size":37,"at":1759895635942,"hash":"1ez38xj"},"blocks":{"#---frontmatter---":[1,3],"#stub":[4,5]},"outlinks":[],"metadata":{"date":"2025-10-08 12:53","tags":["#stub"]},"task_lines":[]},

content/Pytakt.md

@@ -0,0 +1,10 @@
+---
+date: 2025-10-09 18:20
+---
+#programming-language  #music #computermusic 
+
+[[Takt]]をベースにPythonライブラリとして再実装されたもの。
+
+[GitHub - snisim/pytakt: A Python library for music description, generation, and processing with realtime MIDI I/O](https://github.com/snisim/pytakt)
+
+[Full article: Pytakt: a Python library for symbolic music description, generation, and real-time processing](https://www.tandfonline.com/doi/full/10.1080/09298215.2025.2540434#d1e130)

content/Takt.md

@@ -11,3 +11,8 @@ date: 2025-08-20 16:13
 [高機能な音楽プログラミング言語Takt - 丸井綜研](https://marui.hatenablog.com/entry/2014/09/14/150337)
 
 [Takt download \| SourceForge.net](https://sourceforge.net/projects/takt/)
+
+
+最近Pythonで作り直したのがあるらしい。
+
+[[Pytakt]]

content/mimiumでMIDIインプットを実装.md

@@ -184,3 +184,26 @@ fn alloc_midi_voice_4(channel){
 
 [[Computation Expression]]使ってIOの値を`let!`でバインドしていく、とかの方がわかりやすいかも
 
+
+---
+
+
+シンプルに、MIDIにコールバックを渡せるだけなら、どうやって作る？
+
+```rust
+
+fn __midi_note_callback(cb:{pitch:float,vel:float}->void ){
+
+}
+
+fn poly_midi_allocator()->()->[{pitch:float,vel:float}]{
+ let channels = array_new({pitch=0,vel=0},4)
+ let busymap = [0,0,0,0]
+ __midi_note_callback(|pitch,vel| {
+   
+ })
+ channels//セルをupvalueとして返す
+}
+
+
+```