add many experimental plugins

README.md

@@ -20,6 +20,7 @@ glitch art "framework", ???????? language??? something?
     will likely be there by default)
  - the SWH plugins ( https://github.com/swh/lv2 )
  - the Invada Studio plugins ( https://launchpad.net/invada-studio/ )
+ - abGate plugin
 
 ```bash
 # build and install

doc/README.md

@@ -181,9 +181,67 @@ just be different.
 
 ## `gate split index switch threshold attack hold decay gaterange` 
 
+**TODO:** find good parameters
+
  - switch (bool): 0..1, default 0
  - threshold (dB): -70..12, default -70
  - attack (ms): 0.1..500, default 30
  - hold (ms): 5..3000, default 500
  - decay (ms): 5..4000, default 1000
  - gaterange (dB): -90..-20, default -90
+
+## `detune split index detune mix output latency`
+
+> A low-quality stereo pitch shifter for the sort of chorus and detune effects found on multi-effects hardware.
+
+ - detune (cents, left channel is lowered in pitch, right channel is raised): 0..1, default 0.2
+ - mix (wet/dry mix): 0..1, default 0.9
+ - output (level trim): 0..1, default 0.5
+ - latency (trade-off between latency and low-freq response): 0..1, default 0.5
+
+other presets:
+ - stereo detune: 0.2 0.9 0.5 0.5
+ - out of tune: 0.8 0.7 0.5 0.5
+
+
+## `overdrive split index drive muffle output`
+
+> Possible uses include adding body to drum loops, fuzz guitar, and that 'standing outside a nightclub' sound. This plug does not simulate valve distortion, and any attempt to process organ sounds through it will be extremely unrewarding!
+
+ - drive (amount of distortion): 0..1, default 0
+ - muffle (gentle low-pass filter): 0..1, default 0
+ - output (level trim): 0..1, default 0.5
+
+## `degrade split index headroom quant rate post_filt non_lin output`
+
+> Sample quality reduction
+
+**NOTE:** finding the right parameters is HARD for this plugin.
+
+ - headroom (peak clipping threshold): 0..1, default 0.8
+ - quant (bit depth, typically 8 or below for "telephone" quality): 0..1, default 0.5
+ - rate (sample rate): 0..1, default 0.65
+ - post_filt (low-pass filter to muffle the distortion): 0..1, default 0.9
+ - non_lin (additional harmonic distortion "thickening"): 0..1, default 0.58
+ - output: 0..1, default 0.5
+
+## `repsycho split index tune fine decay thresh hold mix quality`
+
+**NOTE:** HARD to find good parameters
+
+ - tune (coarse tune, semitones): 0..1, default 1
+ - fine (fine tune, cents): 0..1, default 1
+ - decay (adjust envelope of each trunk, a fast decay can be useful while setting up): 0..1, default 0.5
+ - thresh (trigger level to divide the input into chunks): 0..1, default 0.6
+ - hold (minimum chunk length): 0..1, default 0.45
+ - mix (mix original signal with output): 0..1, default 1
+ - quality (quality, bool. the high=1 setting uses smoother pitch-shifting and allows stereo): 0..1, default 0
+
+## `talkbox split index wet dry carrier quality`
+
+> High resolution vocoder
+
+ - wet: 0..1, default 0.5
+ - dry: 0..1, default 0
+ - carrier: 0..1, default 0
+ - quality: 0..1, default 1

examples/degrade.scri

@@ -0,0 +1,5 @@
+load :0;
+degrade 5 1 0.8 0.5 0.65 0.9 0.58 0.5;
+degrade 5 2 0.1 1 0.65 0.5 0.5 0.4;
+degrade 5 3 0.1 1 0.65 0.9 0.58 0.5;
+quicksave;

examples/detune.scri

@@ -0,0 +1,3 @@
+load :0;
+detune 3 1 0.2 0.9 0.5 0.5;
+quicksave;

examples/gate.scri

@@ -1,5 +1,3 @@
 load :0;
-gate 5 1 0 1 100 500 1000 -50;
-gate 5 2 1 1 100 500 1000 -50;
-gate 5 3 1 1 150 1000 1000 -50;
+gate 3 1 0 -70 30 500 1000 -90;
 quicksave;

examples/overdrive.scri

@@ -0,0 +1,5 @@
+load :0;
+overdrive 5 1 0.5 0 0.4;
+overdrive 5 2 0.6 0.2 0.3;
+overdrive 5 3 0.7 0.3 0.2;
+quicksave;

examples/repsycho.scri

@@ -0,0 +1,8 @@
+load :0;
+repsycho 8 1 1 1 0.5 0.6 0.45 1 0;
+repsycho 8 2 1 1 1 0.6 0.45 1 0;
+repsycho 8 3 1 1 0.5 0.8 0.45 1 0;
+repsycho 8 4 1 1 0.5 0.6 0.1 1 0;
+repsycho 8 5 1 1 0.5 0.6 0.45 0.5 0;
+repsycho 8 6 1 1 0.5 0.6 0.45 1 1;
+quicksave;

examples/talkbox.scri

@@ -0,0 +1,3 @@
+load :0;
+talkbox 3 1 0.5 0 0 1;
+quicksave;

src/lang.zig

@@ -27,6 +27,11 @@ pub const CommandType = enum {
     Vinyl,
     RevDelay,
     Gate,
+    Detune,
+    Overdrive,
+    Degrade,
+    RePsycho,
+    TalkBox,
 
     Noise,
     WildNoise,
@@ -186,12 +191,17 @@ pub const Lang = struct {
         _ = try self.keywords.put("vinyl", .Vinyl);
         _ = try self.keywords.put("revdelay", .RevDelay);
         _ = try self.keywords.put("gate", .Gate);
+        _ = try self.keywords.put("detune", .Detune);
+        _ = try self.keywords.put("overdrive", .Overdrive);
+        _ = try self.keywords.put("talkbox", .TalkBox);
 
         // custom implementations (not lv2)
         _ = try self.keywords.put("noise", .Noise);
         _ = try self.keywords.put("wildnoise", .WildNoise);
         _ = try self.keywords.put("write", .Write);
         _ = try self.keywords.put("embed", .Embed);
+        _ = try self.keywords.put("degrade", .Degrade);
+        _ = try self.keywords.put("repsycho", .RePsycho);
 
         // even more custom
         _ = try self.keywords.put("rotate", .Rotate);

src/printer.zig

@@ -21,6 +21,11 @@ pub fn printList(list: langs.CommandList, stream: var) !void {
             .Vinyl => "vinyl",
             .RevDelay => "revdelay",
             .Gate => "gate",
+            .Detune => "detune",
+            .Overdrive => "overdrive",
+            .Degrade => "Degrade",
+            .RePsycho => "repsycho",
+            .TalkBox => "talkbox",
 
             .Noise => "noise",
             .WildNoise => "wildnoise",

src/runner.zig

@@ -299,6 +299,31 @@ pub const Runner = struct {
         try image.runPlugin("http://hippie.lt/lv2/gate", pos, params);
     }
 
+    fn detuneCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://drobilla.net/plugins/mda/Detune", pos, params);
+    }
+
+    fn overdriveCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://drobilla.net/plugins/mda/Overdrive", pos, params);
+    }
+
+    fn degradeCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://drobilla.net/plugins/mda/Degrade", pos, params);
+    }
+
+    fn repsychoCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://drobilla.net/plugins/mda/RePsycho", pos, params);
+    }
+
+    fn talkboxCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://drobilla.net/plugins/mda/TalkBox", pos, params);
+    }
+
     fn runCommand(self: *Runner, cmd: *lang.Command) !void {
         var params = ParamList.init(self.allocator);
         defer params.deinit();
@@ -493,6 +518,54 @@ pub const Runner = struct {
                 try self.gateCmd(pos, params);
             },
 
+            .Detune => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "detune");
+                try cmd.appendParam(&params, "mix");
+                try cmd.appendParam(&params, "output");
+                try cmd.appendParam(&params, "latency");
+                try self.detuneCmd(pos, params);
+            },
+
+            .Overdrive => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "drive");
+                try cmd.appendParam(&params, "muffle");
+                try cmd.appendParam(&params, "output");
+                try self.overdriveCmd(pos, params);
+            },
+
+            .Degrade => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "headroom");
+                try cmd.appendParam(&params, "quant");
+                try cmd.appendParam(&params, "rate");
+                try cmd.appendParam(&params, "post_filt");
+                try cmd.appendParam(&params, "non_lin");
+                try cmd.appendParam(&params, "output");
+                try self.degradeCmd(pos, params);
+            },
+
+            .RePsycho => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "tune");
+                try cmd.appendParam(&params, "fine");
+                try cmd.appendParam(&params, "decay");
+                try cmd.appendParam(&params, "thresh");
+                try cmd.appendParam(&params, "hold");
+                try cmd.appendParam(&params, "mix");
+                try cmd.appendParam(&params, "quality");
+                try self.repsychoCmd(pos, params);
+            },
+
+            .TalkBox => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "wet");
+                try cmd.appendParam(&params, "dry");
+                try cmd.appendParam(&params, "carrier");
+                try cmd.appendParam(&params, "quality");
+                try self.talkboxCmd(pos, params);
+            },
             else => blk: {
                 std.debug.warn("Unsupported command: {}\n", .{cmd.command});
                 break :blk RunError.UnknownCommand;