add chorus command
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@ -62,6 +62,8 @@ Parameters:
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## `mbeq split index band_1 band_2 band_3 band_4 band_5 band_6 band_7 band_8 band_9 band_10 band_11 band_12 band_13 band_14 band_15`
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## `mbeq split index band_1 band_2 band_3 band_4 band_5 band_6 band_7 band_8 band_9 band_10 band_11 band_12 band_13 band_14 band_15`
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Multiband EQ from the SWH plugins.
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In respective order, the band arugments represent the:
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In respective order, the band arugments represent the:
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50Hz, 100Hz, 156Hz, 220Hz, 311Hz, 440Hz, 622Hz, 880Hz 1250Hz, 1750Hz, 2500Hz,
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50Hz, 100Hz, 156Hz, 220Hz, 311Hz, 440Hz, 622Hz, 880Hz 1250Hz, 1750Hz, 2500Hz,
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3500Hz, 5000Hz, 10000Hz and 20000Hz frequencies.
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3500Hz, 5000Hz, 10000Hz and 20000Hz frequencies.
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@ -69,6 +71,18 @@ In respective order, the band arugments represent the:
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All of them represent the band's gain in dB. The range is -70 to +30dB,
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All of them represent the band's gain in dB. The range is -70 to +30dB,
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default is 0.
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default is 0.
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## `chorus split index voices delay_base voice_spread detune law_freq attendb`
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Multivoice Chrorus from the SWH plugins.
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Parameters:
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- `voices`: Number of voices (int), 1..8, default 1
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- `delay_base`: Delay base (ms), 10..40, default 10
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- `voice_spread`: Voice separation (ms), 0-2, default 0.5
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- `detune`: Detune (%), 0..5, default 1
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- `law_freq`: LFO frequency (Hz), 2..30, default 9
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- `attendb`: Output attenuation (dB), -20..0, default 0
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## TODO `echo split index delay`
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## TODO `echo split index delay`
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Run an echo filter on the given loaded file.
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Run an echo filter on the given loaded file.
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@ -0,0 +1,3 @@
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load :0;
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chorus 3 1 3 10 0.5 1 9 0;
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quicksave;
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15
src/lang.zig
15
src/lang.zig
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@ -18,6 +18,7 @@ pub const CommandType = enum {
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Eq,
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Eq,
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Phaser,
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Phaser,
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Mbeq,
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Mbeq,
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Chorus,
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};
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};
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pub const Command = struct {
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pub const Command = struct {
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@ -82,6 +83,19 @@ pub const Command = struct {
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return arr.toSliceConst();
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return arr.toSliceConst();
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}
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}
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pub fn appendParam(
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self: *const Command,
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params: *plugin.ParamList,
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symbol: []const u8,
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idx: usize,
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) !void {
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var val = try self.floatArgAt(idx);
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try params.append(plugin.Param{
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.sym = symbol,
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.value = val,
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});
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}
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};
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};
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pub const CommandList = std.ArrayList(*Command);
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pub const CommandList = std.ArrayList(*Command);
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@ -111,6 +125,7 @@ pub const Lang = struct {
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_ = try self.keywords.put("eq", .Eq);
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_ = try self.keywords.put("eq", .Eq);
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_ = try self.keywords.put("mbeq", .Mbeq);
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_ = try self.keywords.put("mbeq", .Mbeq);
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_ = try self.keywords.put("phaser", .Phaser);
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_ = try self.keywords.put("phaser", .Phaser);
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_ = try self.keywords.put("chorus", .Chorus);
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}
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}
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pub fn parse(self: *Lang, data: []const u8) !CommandList {
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pub fn parse(self: *Lang, data: []const u8) !CommandList {
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@ -248,7 +248,19 @@ pub const Runner = struct {
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try image.runPlugin("http://plugin.org.uk/swh-plugins/mbeq", position, params);
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try image.runPlugin("http://plugin.org.uk/swh-plugins/mbeq", position, params);
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}
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}
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fn chorusCmd(
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self: *Runner,
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pos: plugin.Position,
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params: plugin.ParamList,
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) !void {
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var image = try self.getImage();
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try image.runPlugin("http://plugin.org.uk/swh-plugins/multivoiceChorus", pos, params);
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}
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fn runCommand(self: *Runner, cmd: *lang.Command) !void {
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fn runCommand(self: *Runner, cmd: *lang.Command) !void {
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var params = plugin.ParamList.init(self.allocator);
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defer params.deinit();
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return switch (cmd.command) {
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return switch (cmd.command) {
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.Noop => {},
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.Noop => {},
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.Load => blk: {
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.Load => blk: {
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@ -301,8 +313,21 @@ pub const Runner = struct {
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try self.mbeqCmd(pos, bands);
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try self.mbeqCmd(pos, bands);
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},
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},
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.Chorus => blk: {
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const pos = try cmd.consumePosition();
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try cmd.appendParam(¶ms, "voices", 2);
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try cmd.appendParam(¶ms, "delay_base", 3);
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try cmd.appendParam(¶ms, "voice_spread", 4);
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try cmd.appendParam(¶ms, "detune", 5);
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try cmd.appendParam(¶ms, "law_freq", 6);
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try cmd.appendParam(¶ms, "attendb", 7);
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try self.chorusCmd(pos, params);
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},
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else => blk: {
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else => blk: {
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std.debug.warn("Unknown command: {}\n", cmd.command);
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std.debug.warn("Unsupported command: {}\n", cmd.command);
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break :blk RunError.UnknownCommand;
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break :blk RunError.UnknownCommand;
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},
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},
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};
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};
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