refactor: split auto_pan process and audiosuite frame limit into helpers

Reduces cognitive complexity flagged by SonarCloud (rust:S3776). Behaviour is unchanged:
per-sample order is envelope update, envelope trigger, LFO phase, modulator, width/manual/position
smoothing, output write.

Cargo.lock

@@ -4,18 +4,18 @@ version = 4
 
 [[package]]
 name = "accesskit"
-version = "0.25.1"
+version = "0.25.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad442f58ee04714aaa0ba0a2768c1ea1935b29507bb22ddece8cbbc76db02932"
+checksum = "4e883d1d28c5fd5568c79ed2d2bd48d9f2fd3945c8974ed0f53690ceddb051be"
 dependencies = [
  "uuid",
 ]
 
 [[package]]
 name = "accesskit_atspi_common"
-version = "0.21.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52c182f9c282ac9c5638d876d551d15e5f7d397ec263349a0c6a2b61595dd5e4"
+checksum = "24f5baf62e34a4a6c30e3d697e4782f821a7337049c44c3b40576a27dfbb580d"
 dependencies = [
  "accesskit",
  "accesskit_consumer",
@@ -27,9 +27,9 @@ dependencies = [
 
 [[package]]
 name = "accesskit_consumer"
-version = "0.39.1"
+version = "0.39.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a45e2bb300bea6d5f33a82c3e051c3ddc6f41c209750f68a0acbe991a284344"
+checksum = "f3da8f27636015191b2264ee1df681503170a632cafd832fdc1edfdd4e3a2fd3"
 dependencies = [
  "accesskit",
  "hashbrown 0.17.1",
@@ -37,9 +37,9 @@ dependencies = [
 
 [[package]]
 name = "accesskit_ios"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28e539d64b27fd4c14de8f78ada8f7c944c092f52f7e49fb63316507a57f6937"
+checksum = "a5280724673bbfa8b30a838c013500b719392989be3b97c5a9964062c252c232"
 dependencies = [
  "accesskit",
  "accesskit_consumer",
@@ -51,9 +51,9 @@ dependencies = [
 
 [[package]]
 name = "accesskit_macos"
-version = "0.27.1"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5701624bf6a11efb6d4c8e922bf44126ed96250e5faa9a7a0468c979635839a4"
+checksum = "123828ceeec755b05255e3976cb0852993202de98a0626c97dd8d34246991f84"
 dependencies = [
  "accesskit",
  "accesskit_consumer",
@@ -65,9 +65,9 @@ dependencies = [
 
 [[package]]
 name = "accesskit_unix"
-version = "0.24.0"
+version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "202f24df034a7476d07b7f74284de84f6d62aabd858dbe7ee9cad3b7ad6f8f9d"
+checksum = "30d5192871228c54f1b0fb4a85cef000e11a3804f25d2165f14afa0daa67f3f6"
 dependencies = [
  "accesskit",
  "accesskit_atspi_common",
@@ -83,9 +83,9 @@ dependencies = [
 
 [[package]]
 name = "accesskit_windows"
-version = "0.35.1"
+version = "0.35.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce63f35d6bdcf59f26b76b3379063f738e6412cef46999cc772d46aa3de35adb"
+checksum = "498668b90da9995302a0055aaecad4756932333da2ddef6baee1c00844c430fc"
 dependencies = [
  "accesskit",
  "accesskit_consumer",
@@ -97,9 +97,9 @@ dependencies = [
 
 [[package]]
 name = "accesskit_winit"
-version = "0.34.1"
+version = "0.34.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee96dd150375c05912d8a473f98c2fb155fb3234fac88292d396548a2460fa77"
+checksum = "cd4ab4437b520ff03088fbe48676a11e7d44a929535e64b31432c1073e48dbcc"
 dependencies = [
  "accesskit",
  "accesskit_ios",
@@ -208,9 +208,9 @@ checksum = "330a5ed07fa54e4702c9d6c4174f74427fc0ef6e214bbd677ae50a5099946470"
 
 [[package]]
 name = "arboard"
-version = "3.6.1"
+version = "3.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0348a1c054491f4bfe6ab86a7b6ab1e44e45d899005de92f58b3df180b36ddaf"
+checksum = "aeb9553e62312c8756a5979254fc6d7da8bbeb5986a1e17037fab932f7037917"
 dependencies = [
  "clipboard-win",
  "image",
@@ -222,7 +222,7 @@ dependencies = [
  "objc2-foundation 0.3.2",
  "parking_lot",
  "percent-encoding",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
  "wl-clipboard-rs",
  "x11rb",
 ]
@@ -354,7 +354,7 @@ checksum = "4f8abc12baad266b1c8cec146854c195b5864b4221d4b2ca7296a7ae82d9e451"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -389,7 +389,7 @@ checksum = "82f6aeea286b8eb4dd3431a1be1b59d290ace00f5bfd8e2a159bc2a05e2c1667"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -574,7 +574,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -600,7 +600,7 @@ checksum = "6a1f896587b6f2c069c73d2f0913e2d590c3990285cd2f0b6aa02b786b4c679c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -667,9 +667,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.6.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f74872d07caf508b30a21f6836e7d7016a2eaf7d9ff4f48deaa58cd8a0407630"
+checksum = "86e055fa6e3e40ad6187ba25b6855eeb635d5271f8e0f0e1e9a5826b8d75bea0"
 dependencies = [
  "find-msvc-tools",
  "jobserver",
@@ -746,9 +746,9 @@ checksum = "a76abbdb2907f6fd97fb6bc0b7be96b77d328f2dd9669d1075cc03369ed22154"
 
 [[package]]
 name = "clipboard-win"
-version = "5.4.1"
+version = "5.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bde03770d3df201d4fb868f2c9c59e66a3e4e2bd06692a0fe701e7103c7e84d4"
+checksum = "052af7878466feccda12ba7a6a67d019d712f296809559b47c12c8cc196d3a9a"
 dependencies = [
  "error-code",
 ]
@@ -791,9 +791,9 @@ checksum = "5ce183b975b8fc736a20919c4002717255fbd867df575c792aeefa9a56a73ad0"
 
 [[package]]
 name = "combine"
-version = "4.6.8"
+version = "4.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfc320937d09e6de266b31b9afb480f197d7a861be86be7cb2ea7e5d1bfffc5e"
+checksum = "4356eba6976435498d05a311ee9fc486da3bc81c200d3f0d7dd9703b41913f92"
 dependencies = [
  "bytes",
  "memchr",
@@ -984,9 +984,9 @@ dependencies = [
 
 [[package]]
 name = "crc32fast"
-version = "1.5.2"
+version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01a7799fd6b852db0e61728dde9a204c423b44d689dbd432522543614b490e78"
+checksum = "0ba106e844045ddc02c20768ac4b0b7cb45f2cc2ecbd833ac9f5dacb183c2055"
 dependencies = [
  "cfg-if",
 ]
@@ -1108,7 +1108,7 @@ checksum = "c6232dd377dcc64799954cbd3a9bb882e9cdc1308ccd87b1c098f1fb2eaf82a8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -1362,9 +1362,9 @@ source = "git+https://github.com/storytold/egui.git?rev=6d518fc799681571963842f9
 
 [[package]]
 name = "equivalent"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+checksum = "00d174d5400e5e8fd687ad1049e2f578285fa914201b1af7e8b112a4546bd826"
 
 [[package]]
 name = "errno"
@@ -1373,7 +1373,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1456,9 +1456,9 @@ dependencies = [
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aedcfb3409746eddb02b9e19ebda1c3394f759a152e48ee875a0844d1b955484"
+checksum = "1c66915cc5391097de7a2b0b972e8505aa33c0df401fd3a6811dbdb32881ba48"
 
 [[package]]
 name = "fixedbitset"
@@ -1497,9 +1497,9 @@ checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
 
 [[package]]
 name = "font-types"
-version = "0.12.6"
+version = "0.12.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c92d9081c7ab3bd83ef1eecdfad090f3d966e3ce74106779664114cfe1a6274"
+checksum = "835ae9d781464a79026cde387f9cbc650c9a4909d7cf7e658b127e3c35d2f35d"
 dependencies = [
  "bytemuck",
 ]
@@ -1522,7 +1522,7 @@ checksum = "ea5190182e6915eb873ddbc16e23b711b6eb1f9c00a0d0a3a91b5f6228475225"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -1582,7 +1582,7 @@ checksum = "9fb9654ba8355388abeb8dcb4fc62f511300867002afc858860463bdd9fe0c44"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -1663,9 +1663,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "300e883d756b2e4ec94e02791f39b04b522276138852cfc41d9fb7e904106099"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "r-efi 6.0.0",
  "rand_core",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1885,9 +1887,9 @@ checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
 
 [[package]]
 name = "icu_collections"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa68d21081c4a05d5a901a1c62add574c77048b6a1c67be3b50ce0b60d4ca513"
+checksum = "fe090a42a0d3140fed8c63263ed1fecc02422cb2f4bfe55cd8de2de1b8e105dd"
 dependencies = [
  "displaydoc",
  "potential_utf",
@@ -1899,9 +1901,9 @@ dependencies = [
 
 [[package]]
 name = "icu_locale_core"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d56e28588da92eee5c3201a6eff33fabdd49b62269c8938d4ff050ce4d900deb"
+checksum = "25d29b57c17c6528d0dc4c2141cfa2d08200465acb537a3909c8b9b8a4a984c0"
 dependencies = [
  "displaydoc",
  "litemap",
@@ -1912,9 +1914,9 @@ dependencies = [
 
 [[package]]
 name = "icu_normalizer"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12f9cf5f235641ed274641dd81c3f28d870e276763d0797aeeab72317b1c646f"
+checksum = "404a3b8c486f205c87fe7f23ab6894d84a4ad76d6e4671ae1981ba7def87c599"
 dependencies = [
  "icu_collections",
  "icu_normalizer_data",
@@ -1926,15 +1928,15 @@ dependencies = [
 
 [[package]]
 name = "icu_normalizer_data"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1563da1ed3e0b3bf3d74c9b85917ac9c56464d2f57242270c09c9e752f8021a0"
+checksum = "20f0088bfb7441f7a37fa0c9e20cb1e9cba1cac6b9ce8cd2a6dc44294f8e8cbc"
 
 [[package]]
 name = "icu_properties"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e7ca276ad3145661a65914e6daf131ca5120cd3dcee8f8f3214b8875184a148"
+checksum = "2ea83d991c56158f7cf898bf86436c1dfe7c07ee82fe88951f2695c9f37a379f"
 dependencies = [
  "displaydoc",
  "icu_collections",
@@ -1947,15 +1949,15 @@ dependencies = [
 
 [[package]]
 name = "icu_properties_data"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e590f038c1464a96894fd6d10127e90a8be4509f56ff7ecef851b15cee0b7caa"
+checksum = "b98f29af82d02b163fe50161388350e743bb3107cc8e8c2f7314cb505faddfcf"
 
 [[package]]
 name = "icu_provider"
-version = "2.3.1"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d27bbb9d3abbefac45d55f647c9de1d44aafcd1186eb91879afef17c396c3e73"
+checksum = "413099315636c588ee8f011190b329b971a09a8fae9d157e01dcae8379468514"
 dependencies = [
  "displaydoc",
  "icu_locale_core",
@@ -2192,9 +2194,9 @@ checksum = "20870f649af7073d53e38067b2a84312175d56ea15217e1b15bc83506ec50afb"
 
 [[package]]
 name = "libc"
-version = "0.2.190"
+version = "0.2.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce5d3ddc6d3fa000eb1536d85e147bfe31aacaba692ed6a876f95cb7c855be78"
+checksum = "65cd87c9a6d60536580b316ad985726104730a5151c99845f2490428ef91240a"
 
 [[package]]
 name = "libloading"
@@ -2231,7 +2233,7 @@ dependencies = [
  "bitflags 2.13.2",
  "libc",
  "plain",
- "redox_syscall 0.9.4",
+ "redox_syscall 0.9.5",
 ]
 
 [[package]]
@@ -2260,9 +2262,9 @@ checksum = "47d9d19d1d6efa0109d2f65ff4c85cddd50bd572e5a00127ab10987290bcefae"
 
 [[package]]
 name = "litrs"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11d3d7f243d5c5a8b9bb5d6dd2b1602c0cb0b9db1621bafc7ed66e35ff9fe092"
+checksum = "4744e383959f0db86ede514b809b1c53251889093803c05267acc7d4e7030d70"
 
 [[package]]
 name = "lock_api"
@@ -2293,9 +2295,9 @@ checksum = "cf8baf1c55e62ffcace7a9f06f4bd9cd3f0c4beb022d3b367256b91b87513d98"
 
 [[package]]
 name = "memmap2"
-version = "0.9.11"
+version = "0.9.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1219ed1b7f229ee7104d281dd01d6802fe28bb6e95d292942c4daacdeb798c0"
+checksum = "6b0ca1155a9ecc25aa12e8313a119f32edf0255fea2f44839c4ac0a12b2ac157"
 dependencies = [
  "libc",
 ]
@@ -2360,7 +2362,7 @@ dependencies = [
  "objc2-foundation 0.3.2",
  "png",
  "thiserror 2.0.21",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2906,9 +2908,9 @@ checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
 [[package]]
 name = "open"
-version = "5.4.4"
+version = "5.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa576c76302b7b808eecc68061e67336c47833ef9d22caa74dda10fa9675eebc"
+checksum = "8d8c8b8e725ad26404d6896eb2f064294a0a7b4f1d9120210d85544684c4ca95"
 dependencies = [
  "is-wsl",
  "libc",
@@ -2932,9 +2934,9 @@ dependencies = [
 
 [[package]]
 name = "ordered-float"
-version = "5.5.0"
+version = "5.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c7c9e0d9b23589f26070720bac724174bfec1083e82f7854cdd0267518343c0"
+checksum = "7f59006ce1e204c30956638535b74d317bca99477b9356dfaec54c37f6f600ab"
 dependencies = [
  "num-traits",
 ]
@@ -2956,7 +2958,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d8fae84b431384b68627d0f9b3b1245fcf9f46f6c0e3dc902e9dce64edd1967"
 dependencies = [
  "libc",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3427,9 +3429,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "737970939a87c6fa31e7acad13307bccbb017a073b695b6089a2c484f929e20e"
+checksum = "580c875845b41ecb1564ad1ae4703044cef774145e3d7a94dc2b3fa7c97868fd"
 dependencies = [
  "bitflags 2.13.2",
 ]
@@ -3574,7 +3576,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.12.1",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3631,7 +3633,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3771,7 +3773,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -3795,14 +3797,14 @@ checksum = "8d3b1629de253c70a0508c3899572da79ca359fdab27c7920ff00406df418906"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
 name = "serde_spanned"
-version = "1.1.1"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6662b5879511e06e8999a8a235d848113e942c9124f211511b16466ee2995f26"
+checksum = "4e7523beb55eece201a2356bee0bbca0d1ab466c14c07703b2e0ee6d42cb0c2c"
 dependencies = [
  "serde_core",
 ]
@@ -3895,9 +3897,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.16.2"
+version = "1.16.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9395f0f0eee849a9b707b2f06bb92a6a422090e2123bb2ef8e87a0e61892a8e"
+checksum = "d0d5d4b1981b8bbbb7aed204cae5726d683d5d6ac7e74ec54122ea28f315e7c8"
 
 [[package]]
 name = "smithay-client-toolkit"
@@ -4465,9 +4467,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.6"
+version = "3.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
+checksum = "d78c8dee4c7bf0e14673097256fed6142ce9d3b85a408189d07482442145823b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4482,7 +4484,7 @@ checksum = "901704edd0dfe137f1987838ee4f259e4e063c31371bdb423f7ae38ec6f77f02"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -4505,7 +4507,7 @@ dependencies = [
  "getrandom 0.4.3",
  "once_cell",
  "rustix 1.1.5",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -4554,7 +4556,7 @@ checksum = "fe5197923287db20a58125f0bc85c062f7f2c892de97b18c356f9efb14b28524"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -4603,9 +4605,9 @@ dependencies = [
 
 [[package]]
 name = "tinystr"
-version = "0.8.4"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1e27c91459209c2986af3dcf603a5a74a4368754ce37414f59acc971167f643"
+checksum = "abc840c238154d58f9e86b2792261edfde565a17696e1cda1a449de27979801a"
 dependencies = [
  "displaydoc",
  "zerovec",
@@ -4613,18 +4615,18 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "1.53.2"
+version = "1.54.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e95f91fcc7a621e8b030f6aa23c71fe9838ae2fb4d8118b75602a328f5144044"
+checksum = "b52fd3255258d26fac7264ab5a76b53c13367136dc011d3d6ad4f8ed070396a3"
 dependencies = [
  "pin-project-lite",
 ]
 
 [[package]]
 name = "toml"
-version = "1.1.6+spec-1.1.0"
+version = "1.1.8+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "920602543f0911ab71da12c50d59701da54c196d1a2bf5cb4b75667f137a406a"
+checksum = "20489e00e4d8741d6be680764cc12e270655e375a20d1011e844a9c3379e678d"
 dependencies = [
  "indexmap",
  "serde_core",
@@ -4637,18 +4639,18 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "1.1.1+spec-1.1.0"
+version = "1.1.2+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3165f65f62e28e0115a00b2ebdd37eb6f3b641855f9d636d3cd4103767159ad7"
+checksum = "2b86d767906c6c42421dcba507eb9d203e779497710a47782a224bb871653053"
 dependencies = [
  "serde_core",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.25.15+spec-1.1.0"
+version = "0.25.17+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1340ea94a5856333492c9064b02c778b191dd2c853778d9609debdcdfea3a614"
+checksum = "e3641d5bbb5349a79e1020a242d251efbc546ad8048d133958323ce9c40a9c9c"
 dependencies = [
  "indexmap",
  "toml_datetime",
@@ -4658,18 +4660,18 @@ dependencies = [
 
 [[package]]
 name = "toml_parser"
-version = "1.1.3+spec-1.1.0"
+version = "1.1.5+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d38ac1cf9b95face32296c0a3ede1fdc270627c9d9c02a7274dd6d960dc4d56"
+checksum = "baa693a8032d7e1cada7d0041e96126df243179ff061456783ac7f12bda4744c"
 dependencies = [
  "winnow",
 ]
 
 [[package]]
 name = "toml_writer"
-version = "1.1.2+spec-1.1.0"
+version = "1.1.3+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d56353a2a665ad0f41a421187180aab746c8c325620617ad883a99a1cbe66d2"
+checksum = "06bdbd8cfc056b8d2e2e85f29b56a3bdbecb527cef81eb39e3e7b98af4652770"
 
 [[package]]
 name = "tracing"
@@ -4735,9 +4737,9 @@ dependencies = [
 
 [[package]]
 name = "typed-path"
-version = "0.12.3"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e28f89b80c87b8fb0cf04ab448d5dd0dd0ade2f8891bae878de66a75a28600e"
+checksum = "9ce898823d8cd0f028662d2f349694b1af0a5cc9be83f1d213a00d3147445e1e"
 
 [[package]]
 name = "typenum"
@@ -4753,7 +4755,7 @@ checksum = "f2f6fb2847f6742cd76af783a2a2c49e9375d0a111c7bef6f71cd9e738c72d6e"
 dependencies = [
  "memoffset",
  "tempfile",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -4776,9 +4778,9 @@ checksum = "0b993bddc193ae5bd0d623b49ec06ac3e9312875fdae725a975c51db1cc1677f"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.26"
+version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d245f478577f809a851594d02313b640fb437e0bb33866753cff937863096954"
+checksum = "a2c754d6c33795a1c324727428e5a7dedb5b06195f9890bdbcba760d3e246563"
 
 [[package]]
 name = "unicode-properties"
@@ -4859,9 +4861,9 @@ checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
 
 [[package]]
 name = "uuid"
-version = "1.27.0"
+version = "1.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97277d36b9c3ace13e58fa6e753f8b0bbbf302a18dd193240d70f9e29681059a"
+checksum = "4a0e2d11620c50695fe12bbbfde96b3477fe606e7284c22d505c12ce51214514"
 dependencies = [
  "js-sys",
  "serde_core",
@@ -4997,7 +4999,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
  "wasm-bindgen-shared",
 ]
 
@@ -5167,9 +5169,9 @@ dependencies = [
 
 [[package]]
 name = "webbrowser"
-version = "1.2.4"
+version = "1.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62c35be770821a214dbc362fc26908c853e776c0004294d0b10b8a6bad582f94"
+checksum = "d2c8ddfbbf66e501434657400268cefe51b95140a0266236415cda7627732df7"
 dependencies = [
  "jni",
  "log",
@@ -5385,7 +5387,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -5495,7 +5497,7 @@ version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets 0.52.6",
+ "windows-targets",
 ]
 
 [[package]]
@@ -5504,16 +5506,7 @@ version = "0.59.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
 dependencies = [
- "windows-targets 0.52.6",
+ "windows-targets",
-]
-
-[[package]]
-name = "windows-sys"
-version = "0.60.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
-dependencies = [
- "windows-targets 0.53.5",
 ]
 
 [[package]]
@@ -5531,31 +5524,14 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
- "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_gnullvm",
- "windows_aarch64_msvc 0.52.6",
+ "windows_aarch64_msvc",
- "windows_i686_gnu 0.52.6",
+ "windows_i686_gnu",
- "windows_i686_gnullvm 0.52.6",
+ "windows_i686_gnullvm",
- "windows_i686_msvc 0.52.6",
+ "windows_i686_msvc",
- "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnu",
- "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_gnullvm",
- "windows_x86_64_msvc 0.52.6",
+ "windows_x86_64_msvc",
-]
-
-[[package]]
-name = "windows-targets"
-version = "0.53.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4945f9f551b88e0d65f3db0bc25c33b8acea4d9e41163edf90dcd0b19f9069f3"
-dependencies = [
- "windows-link",
- "windows_aarch64_gnullvm 0.53.1",
- "windows_aarch64_msvc 0.53.1",
- "windows_i686_gnu 0.53.1",
- "windows_i686_gnullvm 0.53.1",
- "windows_i686_msvc 0.53.1",
- "windows_x86_64_gnu 0.53.1",
- "windows_x86_64_gnullvm 0.53.1",
- "windows_x86_64_msvc 0.53.1",
 ]
 
 [[package]]
@@ -5573,96 +5549,48 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
-
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
-
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
 
-[[package]]
-name = "windows_i686_gnu"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "960e6da069d81e09becb0ca57a65220ddff016ff2d6af6a223cf372a506593a3"
-
 [[package]]
 name = "windows_i686_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
-[[package]]
-name = "windows_i686_gnullvm"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
-
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
-[[package]]
-name = "windows_i686_msvc"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
-
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
-
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
-
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.53.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
-
 [[package]]
 name = "winit"
 version = "0.30.13"
@@ -5850,9 +5778,9 @@ dependencies = [
 
 [[package]]
 name = "yoke"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "709fe23a0424b6a435d82152b1bd3fdfb0833487d5fa90d05d42762a9891fef5"
+checksum = "417ef3fcf6c300b7dbd25c85531a746931c02ad536f3cf4786ed1e88223340b3"
 dependencies = [
  "stable_deref_trait",
  "yoke-derive",
@@ -5867,7 +5795,7 @@ checksum = "ec8ebde2db3681e8c9980cc27822030e68752690ddfa9473e739aeb4dbde6d71"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
  "synstructure",
 ]
 
@@ -5939,7 +5867,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
  "zbus_names",
  "zvariant",
  "zvariant_utils",
@@ -5947,9 +5875,9 @@ dependencies = [
 
 [[package]]
 name = "zbus_names"
-version = "4.3.4"
+version = "4.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8bf88b4a3ff53e883001e0e0115b297a9d53c31b9c1edd2bfdd853e3428624e"
+checksum = "812a12be4ead7a59e18ea8f047d08add0066b73bc62fc1467066a2472ae088dd"
 dependencies = [
  "serde",
  "winnow",
@@ -5979,18 +5907,18 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.60"
+version = "0.8.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6400fc4bb7426f6faac3fb07566122bb18622e3022bd2c36426a92ed489b1dbe"
+checksum = "e5fe1f8f1b06191a00962174c61aa5005e0bb391a6d80d07e24d115c01a92ed8"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.60"
+version = "0.8.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99c27cc7525bad4df59a45e073c45b2c2aa820efb588234cc23a547ec69a34db"
+checksum = "863ad3ac83293fb4d740aedbfdc9240dd8d1a50c1099acd76ce80ce7c7230c7f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -6014,7 +5942,7 @@ checksum = "f75b4683f6c7f45248d4d64056a24298c6281e0993356d7d1b4a1a962ef10d4a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
  "synstructure",
 ]
 
@@ -6037,9 +5965,9 @@ dependencies = [
 
 [[package]]
 name = "zerovec"
-version = "0.11.8"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0464e17806c1d976d5cba29399c7f08e516e279e2ba493f63123b5fca67dd8"
+checksum = "f58a2799cfe9a1670c7ea8edbd52ef8edb93cb37a7f83bf31ba9e35d9dae6a40"
 dependencies = [
  "yoke",
  "zerofrom",
@@ -6048,27 +5976,29 @@ dependencies = [
 
 [[package]]
 name = "zerovec-derive"
-version = "0.11.6"
+version = "0.11.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34df6fc39dbd26ddc9c10e6a2984476e13acce22e64e4487636ef494369225da"
+checksum = "c3743ddbf47738d929cd1ae2e199d40d0162979dfe31aef8ae646d2bf00bf97a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
 ]
 
 [[package]]
 name = "zip"
-version = "9.0.5"
+version = "9.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e04976da629d3b04204ba8105b396a193af8ad2583b2c79bfb3ab8af580a11e"
+checksum = "518b847fd864440c379748ad684c449f293af68978a485a4ff16f7c901c1f7c4"
 dependencies = [
  "crc32fast",
  "flate2",
+ "getrandom 0.4.3",
  "indexmap",
  "memchr",
  "nix",
  "typed-path",
+ "windows-sys 0.61.2",
  "zopfli",
 ]
 
@@ -6113,9 +6043,9 @@ dependencies = [
 
 [[package]]
 name = "zvariant"
-version = "5.15.0"
+version = "5.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1d34c27cc6cdd1f458427519dd6b8612f7b7e3f7b9a0b2355d041dda9869147"
+checksum = "80bf6d6cd6a4b601acb64cfb8284cdc643fcfa75ef26ae3c46ec8aa4e8a1fbb7"
 dependencies = [
  "endi",
  "enumflags2",
@@ -6128,14 +6058,14 @@ dependencies = [
 
 [[package]]
 name = "zvariant_derive"
-version = "5.15.0"
+version = "5.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "864155e69b4352db0c7f374917bf45d1e0c8d17659c8b3dbf9795f3673f8c497"
+checksum = "ef2672456ba1cb54b5eaec136e63135b3c7495fb938e53b28a62e633496d486d"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 3.0.6",
+ "syn 3.0.9",
  "zvariant_utils",
 ]
 
@@ -6148,7 +6078,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde",
- "syn 3.0.6",
+ "syn 3.0.9",
  "winnow",
 ]
 

crates/clap-host/tests/editor_main_thread.rs

@@ -15,6 +15,11 @@ fn block(p: &mut Box<dyn Plugin>) -> Vec<Vec<f32>> {
 }
 
 fn main() {
+    // nextest lists custom-harness tests with `--list`; each binary here is one test.
+    if std::env::args().any(|a| a == "--list") {
+        println!("editor_main_thread: test");
+        return;
+    }
     common::fixture_dir();
     let mut p = soundcraft_clap_host::create(GAIN).expect("fixture");
     p.prepare(48_000.0, 64, 2);

crates/dsp/src/plugins/auto_pan.rs

@@ -94,6 +94,29 @@ fn duration_bars(duration: usize) -> Option<i64> {
     }
 }
 
+/// Writes one frame: a constant-power pan for stereo and wider, plain gain for mono. Channels past
+/// the second only get the output gain.
+fn write_frame(io: &mut [Vec<f32>], n: usize, ch: usize, left: f32, right: f32, position: f32, out: f32) {
+    if ch >= 2 {
+        // Constant power: sin² + cos² = 1 across the field, and both gains are 1 at the center.
+        let theta = (position.clamp(-1.0, 1.0) + 1.0) * FRAC_PI_4;
+        let (l, r) = (theta.cos().max(0.0), theta.sin().max(0.0));
+        if let Some(x) = io.get_mut(0).and_then(|b| b.get_mut(n)) {
+            *x = left * l * SQRT_2 * out;
+        }
+        if let Some(x) = io.get_mut(1).and_then(|b| b.get_mut(n)) {
+            *x = right * r * SQRT_2 * out;
+        }
+        for c in 2..ch {
+            if let Some(x) = io.get_mut(c).and_then(|b| b.get_mut(n)) {
+                *x = if x.is_finite() { *x * out } else { 0.0 };
+            }
+        }
+    } else if let Some(x) = io.get_mut(0).and_then(|b| b.get_mut(n)) {
+        *x = left * out;
+    }
+}
+
 /// Moves the balance of the first two channels with a constant-power law: as the pan position
 /// moves right the left channel's gain falls and the right's rises, and each channel stays on its
 /// own side. The pan position is `manual · (1 - width) + modulator · width`, where the modulator is
@@ -230,6 +253,63 @@ impl AutoPan {
         let ratio = hz * dur * 60.0 / t.tempo;
         Some((into * ratio).rem_euclid(1.0))
     }
+
+    /// Advances the envelope follower by one sample. `level` is the louder channel's magnitude.
+    fn follow_envelope(&mut self, level: f32, attack: f32, release: f32) {
+        let k = if level > self.env { attack } else { release };
+        self.env = level + (self.env - level) * k;
+        if self.env < 1.0e-12 {
+            self.env = 0.0;
+        }
+    }
+
+    /// Arms the Envelope trigger on a rising threshold crossing and re-arms it after a Release of silence.
+    fn envelope_trigger(&mut self, threshold: f32, release_samples: u64) {
+        if self.armed && self.env >= threshold {
+            self.armed = false;
+            self.phase = 0.0;
+            self.holding = false;
+            self.below = 0;
+        } else if !self.armed {
+            if self.env < threshold {
+                self.below = self.below.saturating_add(1);
+                self.armed = self.below >= release_samples;
+            } else {
+                self.below = 0;
+            }
+        }
+    }
+
+    /// The LFO phase for sample `n` of the block. Advances the phase unless a held or Beat Clock position sets it.
+    fn lfo_phase(&mut self, n: usize, trigger: usize, hz: f64, inc: f64) -> f64 {
+        match (trigger == TRIGGER_BEAT_CLOCK).then(|| self.beat_clock_phase(n, hz)).flatten() {
+            Some(phase) => phase,
+            None if self.holding => self.phase,
+            None => {
+                let current = self.phase;
+                self.phase += inc;
+                if self.phase >= 1.0 {
+                    if matches!(trigger, TRIGGER_FREE | TRIGGER_BEAT_CLOCK) {
+                        self.phase -= 1.0;
+                    } else {
+                        self.phase = 1.0;
+                        self.holding = true;
+                    }
+                }
+                current
+            }
+        }
+    }
+
+    /// The modulator in -1..=1: the envelope level above the threshold, or the LFO shape.
+    fn modulator(&self, envelope_source: bool, threshold_db: f32, waveform: usize, lfo_phase: f64) -> f32 {
+        if envelope_source {
+            let above = (gain_to_db(self.env) - threshold_db) / -threshold_db;
+            2.0 * above.clamp(0.0, 1.0) - 1.0
+        } else {
+            wave_at(waveform, lfo_phase as f32)
+        }
+    }
 }
 
 impl Plugin for AutoPan {
@@ -283,50 +363,12 @@ impl Plugin for AutoPan {
             let left = sample(io, 0);
             let right = if ch >= 2 { sample(io, 1) } else { left };
             // The louder channel drives the follower, so anti-phase material still has a level.
-            let level = left.abs().max(right.abs());
+            self.follow_envelope(left.abs().max(right.abs()), attack, release);
-            let k = if level > self.env { attack } else { release };
-            self.env = level + (self.env - level) * k;
-            if self.env < 1.0e-12 {
-                self.env = 0.0;
-            }
             if trigger == TRIGGER_ENVELOPE {
-                if self.armed && self.env >= threshold {
+                self.envelope_trigger(threshold, release_samples);
-                    self.armed = false;
-                    self.phase = 0.0;
-                    self.holding = false;
-                    self.below = 0;
-                } else if !self.armed {
-                    if self.env < threshold {
-                        self.below = self.below.saturating_add(1);
-                        self.armed = self.below >= release_samples;
-                    } else {
-                        self.below = 0;
-                    }
-                }
             }
-            let lfo_phase = match (trigger == TRIGGER_BEAT_CLOCK).then(|| self.beat_clock_phase(n, hz)).flatten() {
+            let lfo_phase = self.lfo_phase(n, trigger, hz, inc);
-                Some(phase) => phase,
+            let modulator = self.modulator(envelope_source, threshold_db, waveform, lfo_phase);
-                None if self.holding => self.phase,
-                None => {
-                    let current = self.phase;
-                    self.phase += inc;
-                    if self.phase >= 1.0 {
-                        if matches!(trigger, TRIGGER_FREE | TRIGGER_BEAT_CLOCK) {
-                            self.phase -= 1.0;
-                        } else {
-                            self.phase = 1.0;
-                            self.holding = true;
-                        }
-                    }
-                    current
-                }
-            };
-            let modulator = if envelope_source {
-                let above = (gain_to_db(self.env) - threshold_db) / -threshold_db;
-                2.0 * above.clamp(0.0, 1.0) - 1.0
-            } else {
-                wave_at(waveform, lfo_phase as f32)
-            };
             let width = self.width.next();
             let manual = self.manual.next();
             self.position.set(manual * (1.0 - width) + sign * modulator * width);
@@ -336,24 +378,7 @@ impl Plugin for AutoPan {
             }
             let position = self.position.next();
             let out = self.output.next();
-            if ch >= 2 {
+            write_frame(io, n, ch, left, right, position, out);
-                // Constant power: sin² + cos² = 1 across the field, and both gains are 1 at the center.
-                let theta = (position.clamp(-1.0, 1.0) + 1.0) * FRAC_PI_4;
-                let (l, r) = (theta.cos().max(0.0), theta.sin().max(0.0));
-                if let Some(x) = io.get_mut(0).and_then(|b| b.get_mut(n)) {
-                    *x = left * l * SQRT_2 * out;
-                }
-                if let Some(x) = io.get_mut(1).and_then(|b| b.get_mut(n)) {
-                    *x = right * r * SQRT_2 * out;
-                }
-                for c in 2..ch {
-                    if let Some(x) = io.get_mut(c).and_then(|b| b.get_mut(n)) {
-                        *x = if x.is_finite() { *x * out } else { 0.0 };
-                    }
-                }
-            } else if let Some(x) = io.get_mut(0).and_then(|b| b.get_mut(n)) {
-                *x = left * out;
-            }
         }
         self.since_transport = self.since_transport.saturating_add(frames as u64);
     }

crates/engine/src/cmd/audiosuite.rs

@@ -20,6 +20,18 @@ pub fn specs() -> Vec<CommandSpec> {
     )]
 }
 
+/// The most frames a process can take in: these processes cut their output at MAX_OFFLINE_SAMPLES frames.
+fn frame_limit(name: &str, ratio: f64, semitones: f32, sr: f64, to: u32, selection: SpeedRampSelection) -> usize {
+    let longest = |grows: f64| (soundcraft_dsp::offline::MAX_OFFLINE_SAMPLES as f64 / grows) as usize;
+    match name {
+        "time_stretch" => longest(ratio),
+        "pitch_shift" => longest(2f64.powf(f64::from(semitones) / 12.0)),
+        "varispeed" => longest(f64::from(to) / sr),
+        "speed_ramp" => longest(if selection == SpeedRampSelection::Extend { 1.5 } else { 1.0 }),
+        _ => usize::MAX,
+    }
+}
+
 /// Process each target clip's audio and replace the clip with one backed by a new source.
 fn process(e: &mut Engine, p: &Value) -> Result<Value> {
     let name = str_param(p, "process").or_else(|| str_param(p, "plugin")).ok_or_else(|| bad("audiosuite.process", "`process` required"))?.to_string();
@@ -63,15 +75,7 @@ fn process(e: &mut Engine, p: &Value) -> Result<Value> {
     let change = if get("change", 0.0) >= 0.5 { SpeedRampChange::SpeedUp } else { SpeedRampChange::SlowDown };
     let selection = if get("selection", 0.0) >= 0.5 { SpeedRampSelection::Extend } else { SpeedRampSelection::FitTo };
     let fades = get("fades", 1.0) >= 0.5;
-    // These processes cut their output at MAX_OFFLINE_SAMPLES frames.
+    let most = frame_limit(&name, ratio, semitones, sr.as_f64(), to, selection);
-    let longest = |grows: f64| (soundcraft_dsp::offline::MAX_OFFLINE_SAMPLES as f64 / grows) as usize;
-    let most = match name.as_str() {
-        "time_stretch" => longest(ratio),
-        "pitch_shift" => longest(2f64.powf(f64::from(semitones) / 12.0)),
-        "varispeed" => longest(f64::from(to) / sr.as_f64()),
-        "speed_ramp" => longest(if selection == SpeedRampSelection::Extend { 1.5 } else { 1.0 }),
-        _ => usize::MAX,
-    };
     let mut done = 0;
     for id in ids {
         let Some((track, clip)) = e.session().find_clip(id).map(|(t, c)| (t, c.clone())) else { continue };