A project bus could only go into one other bus, and a sound, an
instrument, a pattern or a song into exactly one bus. A shared reverb
needs a sound to go there in part and on dry at the same time. Instead
of a list of sends on every asset, the project gets one routing graph
like the routing of a song (#350), one level up.
- Menu -> Master routing opens a tab with one graph per project. It has
a node per sound, instrument, pattern, song and bus, named after its
asset, and one Master. Embedded assets have none, their song routes
them.
- The nodes follow the assets. Every edit settles the routing in the
same undo step (KeepRoutingCommand), so an undone delete brings the
links of its asset back. A new asset gets a node and a link to the
master. What went only into a deleted bus goes to the master.
- New nodes start in three columns: what plays, the buses, and the
master a row above, so no link into it runs behind a bus.
- Links are sends: -60 to +12 dB, and a Mode on links out of a bus or a
song. Out of a sound, an instrument or a pattern a link always takes
the sound after its volume and FX. Loops are refused.
- A node without a link is silent and says "Goes nowhere".
- The rows Bus and Into are gone. Play nodes with a picked bus still
overrule the routing.
- A click on a node shows its asset in the inspector, the Master shows
the master volume and sound FX. A double click opens the asset's tab.
- The graph lives in project.routing and is held to the assets when a
project is read, but nothing is added there. The editor adds the
nodes when it opens a project. An asset without a node plays on the
master, so old projects sound as before without a migration.
- In the mix an asset with one link at 0 dB goes straight into that bus.
A sound or instrument with more gets a bus of its own with the sends.
A pattern or song sends from the master of its playing, which is
where its Mode taps. Buses of the mix can have sends now too.
Found:
- The check "the scheduler plans a looped bar" in e2e 34 wobbles. It
failed in 2 of 5 runs here and in CI task 580 at 490fcba, before
this change. HEAD passed it 2 of 2. Not fixed here.
Tests:
- Unit master-routing (new, 10), sound-library (2 new), buses
rewritten onto the routing, 5 lists without the Bus row. 5 counter
checks red.
- e2e 34 (melektaus-atx): ALL PASSED, 93 checks (3 new, 2 rewritten).
Counter check with the Sound tab ignoring the routing: the routing
check red.
- Gate (melektaus-atx): CHECK EXIT 0, 273 files, 4225 tests.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>