diff --git a/LICENSE b/LICENSE deleted file mode 100644 index 9bde66c..0000000 --- a/LICENSE +++ /dev/null @@ -1,20 +0,0 @@ -Copyright 2019 Luna Mendes -Copyright 2007-2016 David Robillard - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/src/image.zig b/src/image.zig index 06bc739..221d3cb 100644 --- a/src/image.zig +++ b/src/image.zig @@ -195,7 +195,7 @@ pub const Image = struct { var idx = c.lilv_port_get_index(ctx.plugin, port); std.debug.warn( - "\tset sym={}, idx={} to val={}\n", + "sym={}, idx={} to val={}\n", param.sym, idx, param.value, @@ -223,10 +223,10 @@ pub const Image = struct { const file_end = try getEndPos(self.curpath); const seek_pos = position.seekPos(file_end); - std.debug.warn("\tstart {} end {}\n", seek_pos.start, seek_pos.end); + std.debug.warn("start {} end {}\n", seek_pos.start, seek_pos.end); - // make sure we start from 0 - _ = c.sf_seek(self.sndfile, 0, c.SEEK_SET); + var seeked = c.sf_seek(self.sndfile, 0, c.SEEK_SET); + std.debug.warn("in: seek {}\n", seeked); var i: usize = 0; diff --git a/src/main.zig b/src/main.zig index bdbf8a6..2b2fcf6 100644 --- a/src/main.zig +++ b/src/main.zig @@ -1,7 +1,282 @@ +// Copyright 2007-2016 David Robillard +// Copyright 2019 Luna Mendes +// +// the main script is a fork/port of lv2apply, licensed under the ISC license. +// +// Permission to use, copy, modify, and/or distribute this software for any +// purpose with or without fee is hereby granted, provided that the above +// copyright notice and this permission notice appear in all copies. +// +// THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + const std = @import("std"); const langs = @import("lang.zig"); const runners = @import("runner.zig"); +const c = @cImport({ + @cInclude("assert.h"); + @cInclude("math.h"); + @cInclude("stdarg.h"); + @cInclude("stdio.h"); + @cInclude("stdlib.h"); + @cInclude("string.h"); + + @cInclude("sndfile.h"); + + @cInclude("lilv/lilv.h"); + @cInclude("lv2/core/lv2.h"); + + @cDefine("LILV_VERSION", "0.24.4"); +}); + +const LV2_CORE_URI = "http://lv2plug.in/ns/lv2core"; + +fn Lv2Core(ns: []const u8) ![]const u8 { + var allocator = std.heap.direct_allocator; + + return try std.cstr.addNullByte( + allocator, + try std.fmt.allocPrint(allocator, "{}{}", LV2_CORE_URI, ns), + ); +} + +fn makeCStr(data: []const u8) ![]u8 { + var allocator = std.heap.direct_allocator; + return std.cstr.addNullByte(allocator, data); +} + +/// Control port value set from the command line +const Param = struct { + /// Port symbol + sym: []const u8, + + /// Control value + value: f32, +}; + +const ParamList = std.ArrayList(Param); + +const PortType = enum { + Control, + Audio, +}; + +/// Runtime port information. +const Port = struct { + lilv_port: ?*const c.LilvPort, + ptype: PortType, + index: u32, + value: f32, + is_input: bool, + optional: bool, +}; + +/// Application state +const LV2Apply = struct { + allocator: *std.mem.Allocator, + + world: ?*c.LilvWorld = null, + plugin: ?*const c.LilvPlugin = null, + instance: ?*c.LilvInstance = null, + + in_path: ?[]u8 = undefined, + out_path: ?[]u8 = undefined, + + in_file: ?*c.SNDFILE = null, + out_file: ?*c.SNDFILE = null, + + n_params: u32, + + params: ParamList, + + n_audio_in: u32, + n_audio_out: u32, + + ports: []*Port = undefined, + + pub fn deinit(self: *LV2Apply) void { + sclose(self.in_path, self.in_file); + sclose(self.out_path, self.out_file); + + if (self.instance) |instance| { + c.lilv_instance_free(self.instance); + } + if (self.world) |world| { + c.lilv_world_free(self.world); + } + + self.allocator.free(self.ports); + self.params.deinit(); + } + + pub fn makeCStr(self: *LV2Apply, data: []const u8) ![]u8 { + return std.cstr.addNullByte(self.allocator, data); + } + + pub fn createPorts(self: *LV2Apply) !i32 { + var world = self.world; + const n_ports: u32 = c.lilv_plugin_get_num_ports(self.plugin); + + self.ports = try self.allocator.realloc(self.ports, n_ports); + + for (self.ports) |port_ptr, idx| { + var port = try self.allocator.create(Port); + port.* = Port{ + .lilv_port = null, + .ptype = .Control, + .index = f32(0), + .value = f32(0), + .is_input = false, + .optional = false, + }; + + self.ports[idx] = port; + } + + var values: []f32 = try self.allocator.alloc(f32, n_ports); + defer self.allocator.free(values); + + c.lilv_plugin_get_port_ranges_float(self.plugin, null, null, values.ptr); + + // bad solution, but it really do be like that + const LV2_CORE__InputPort = try Lv2Core("#InputPort"); + const LV2_CORE__OutputPort = try Lv2Core("#OutputPort"); + const LV2_CORE__AudioPort = try Lv2Core("#AudioPort"); + const LV2_CORE__ControlPort = try Lv2Core("#ControlPort"); + const LV2_CORE__connectionOptional = try Lv2Core("#connectionOptional"); + + var lv2_InputPort = c.lilv_new_uri(world, LV2_CORE__InputPort.ptr); + defer std.heap.c_allocator.destroy(lv2_InputPort); + + var lv2_OutputPort = c.lilv_new_uri(world, LV2_CORE__OutputPort.ptr); + defer std.heap.c_allocator.destroy(lv2_OutputPort); + + var lv2_AudioPort = c.lilv_new_uri(world, LV2_CORE__AudioPort.ptr); + defer std.heap.c_allocator.destroy(lv2_AudioPort); + + var lv2_ControlPort = c.lilv_new_uri(world, LV2_CORE__ControlPort.ptr); + defer std.heap.c_allocator.destroy(lv2_ControlPort); + + var lv2_connectionOptional = c.lilv_new_uri(world, LV2_CORE__connectionOptional.ptr); + defer std.heap.c_allocator.destroy(lv2_connectionOptional); + + var i: u32 = 0; + while (i < n_ports) : (i += 1) { + var port: *Port = self.ports[i]; + + const lport = c.lilv_plugin_get_port_by_index(self.plugin, i).?; + + port.lilv_port = lport; + port.index = i; + + if (std.math.isNan(values[i])) { + port.value = f32(0); + } else { + port.value = values[i]; + } + + port.optional = c.lilv_port_has_property(self.plugin, lport, lv2_connectionOptional); + + if (c.lilv_port_is_a(self.plugin, lport, lv2_InputPort)) { + port.is_input = true; + } else if (!c.lilv_port_is_a(self.plugin, lport, lv2_OutputPort) and !port.optional) { + std.debug.warn("Port {} is neither input or output\n", i); + return error.UnassignedIOPort; + } + + // check if port is an audio or control port + if (c.lilv_port_is_a(self.plugin, lport, lv2_ControlPort)) { + port.ptype = .Control; + } else if (c.lilv_port_is_a(self.plugin, lport, lv2_AudioPort)) { + port.ptype = .Audio; + + if (port.is_input) { + self.n_audio_in += 1; + } else { + self.n_audio_out += 1; + } + } else if (!port.optional) { + std.debug.warn("Port {} has unsupported type\n", i); + return error.UnsupportedPortType; + } + } + + return 0; + } +}; + +fn sopen(path_opt: ?[]const u8, mode: i32, fmt: *c.SF_INFO) ?*c.SNDFILE { + if (path_opt == null) return null; + + var path = path_opt.?; + var file = c.sf_open(path.ptr, mode, fmt); + const st: i32 = c.sf_error(file); + + if (st != 0) { + std.debug.warn("Failed to open {} ({})\n", path, c.sf_error_number(st)); + return null; + } + + return file; +} + +fn sclose(path_opt: ?[]const u8, file_opt: ?*c.SNDFILE) void { + if (path_opt == null) return; + if (file_opt == null) return; + var path = path_opt.?; + var file = file_opt.?; + + var st: i32 = c.sf_close(file); + if (st != 0) { + std.debug.warn( + "Failed to close {} ({})\n", + path, + c.sf_error_number(st), + ); + } +} + +///Read a single frame from a file into an interleaved buffer. +///If more channels are required than are available in the file, the remaining +///channels are distributed in a round-robin fashion (LRLRL). +fn sread(file_opt: ?*c.SNDFILE, file_chans: c_int, buf: []f32) bool { + var file = file_opt.?; + + const n_read: c.sf_count_t = c.sf_readf_float(file, buf.ptr, 1); + const buf_chans = @intCast(c_int, buf.len); + + var i = file_chans - 1; + while (i < buf_chans) : (i += 1) { + //buf[@intCast(usize, i)] = buf[i % file_chans]; + buf[@intCast(usize, i)] = buf[@intCast(usize, @mod(i, file_chans))]; + } + + return n_read == 1; +} + +fn print_version() !void { + const stdout_file = try std.io.getStdOut(); + try stdout_file.write("lv2apply (lilv) 0.24.4\n"); + try stdout_file.write("Copyright 2007-2016 David Robillard \n"); + try stdout_file.write("Copyright 2019 Luna Mendes \n"); +} + +fn print_usage() !void { + const stdout_file = try std.io.getStdOut(); + try stdout_file.write("Usage: lv2apply [OPTION]... PLUGIN_URI\n"); + try stdout_file.write("\t-i IN_FILE Input file\n"); + try stdout_file.write("\t-o OUT_FILE Output file\n"); + try stdout_file.write("\t-c SYM VAL Control value\n"); + try stdout_file.write("\t--help print help\n"); + try stdout_file.write("\t--version display version\n"); +} + pub fn main() !void { var arena = std.heap.ArenaAllocator.init(std.heap.c_allocator); defer arena.deinit(); @@ -21,18 +296,219 @@ pub fn main() !void { // args[1] is the path to scri file const scri_path = try (args_it.next(allocator) orelse @panic("expected scri path")); + std.debug.warn("path: '{}'\n", scri_path); + var file = try std.fs.File.openRead(scri_path); defer file.close(); // sadly, we read it all into memory. such is life const total_bytes = try file.getEndPos(); - var data = try allocator.alloc(u8, total_bytes); - defer allocator.free(data); _ = try file.read(data); var cmds = try lang.parse(data); - defer cmds.deinit(); - try runner.runCommands(cmds, true); } + +pub fn oldMain() !void { + var arena = std.heap.ArenaAllocator.init(std.heap.c_allocator); + const allocator = &arena.allocator; + + var in_path: ?[]u8 = null; + var out_path: ?[]u8 = null; + + var self = LV2Apply{ + .allocator = allocator, + .n_params = 0, + .params = ParamList.init(allocator), + .n_audio_in = 0, + .n_audio_out = 0, + .ports = try allocator.alloc(*Port, 0), + }; + + defer self.deinit(); + + var args_it = std.process.args(); + _ = args_it.skip(); + + var plugin_uri_opt: ?[]u8 = null; + + while (args_it.next(allocator)) |arg_err| { + var arg = try arg_err; + if (std.mem.eql(u8, arg, "--version")) { + try print_version(); + return; + } else if (std.mem.eql(u8, arg, "--help")) { + try print_usage(); + return; + } else if (std.mem.eql(u8, arg, "-i")) { + in_path = try args_it.next(allocator).?; + } else if (std.mem.eql(u8, arg, "-o")) { + out_path = try args_it.next(allocator).?; + } else if (std.mem.eql(u8, arg, "-c")) { + var param_name = try args_it.next(allocator).?; + var value_arg = try args_it.next(allocator).?; + + var param_value = try std.fmt.parseFloat(f32, value_arg); + try self.params.append(Param{ .sym = param_name, .value = param_value }); + } else if (arg[0] == '-') { + try print_usage(); + return; + } else { + plugin_uri_opt = arg; + } + } + + if (in_path == null or out_path == null or plugin_uri_opt == null) { + try print_usage(); + return; + } + + self.in_path = try self.makeCStr(in_path.?); + self.out_path = try self.makeCStr(out_path.?); + var plugin_uri = try self.makeCStr(plugin_uri_opt.?); + + self.world = c.lilv_world_new().?; + var uri: *c.LilvNode = c.lilv_new_uri(self.world, plugin_uri.ptr) orelse blk: { + std.debug.warn("Invalid plugin URI <{}>\n", plugin_uri); + return; + }; + + c.lilv_world_load_all(self.world); + const plugins: *const c.LilvPlugins = c.lilv_world_get_all_plugins(self.world); + + const plugin_opt = c.lilv_plugins_get_by_uri(plugins, uri); + c.lilv_node_free(uri); + + if (plugin_opt) |plugin| { + self.plugin = plugin; + } else { + std.debug.warn("Plugin <{}> not found\n", plugin_uri); + return; + } + + var in_fmt = c.SF_INFO{ + .frames = c_int(0), + .samplerate = c_int(44100), + .channels = c_int(1), + .format = c.SF_FORMAT_ULAW | c.SF_FORMAT_RAW | c.SF_ENDIAN_BIG, + .sections = c_int(0), + .seekable = c_int(0), + }; + + var in_file_opt = sopen(self.in_path, c.SFM_READ, &in_fmt); + if (in_file_opt) |in_file| { + self.in_file = in_file; + } else { + std.debug.warn("Failed to call sopen().\n"); + return; + } + + _ = try self.createPorts(); + + if (self.n_audio_in == 0 or + (in_fmt.channels != @intCast(c_int, self.n_audio_in) and in_fmt.channels != 1)) + { + std.debug.warn("unable to map {} inputs to {} ports\n", in_fmt.channels, self.n_audio_in); + } + + var it = self.params.iterator(); + + while (it.next()) |param| { + var param_sym = try self.makeCStr(param.sym); + var sym = c.lilv_new_string(self.world, param_sym.ptr); + const port = c.lilv_plugin_get_port_by_symbol(self.plugin, sym).?; + c.lilv_node_free(sym); + + var idx = c.lilv_port_get_index(self.plugin, port); + self.ports[idx].value = param.value; + } + + var out_fmt = c.SF_INFO{ + .frames = c_int(0), + .samplerate = c_int(44100), + //.channels = @intCast(c_int, self.n_audio_out), + .channels = c_int(1), + .format = c.SF_FORMAT_ULAW | c.SF_FORMAT_RAW, + .sections = c_int(0), + .seekable = c_int(0), + }; + + var out_file_opt = sopen(self.out_path, c.SFM_WRITE, &out_fmt); + if (out_file_opt) |out_file| { + self.out_file = out_file; + } else { + std.debug.warn("Failed to call sopen() for outfile.\n"); + return; + } + + const n_ports: u32 = c.lilv_plugin_get_num_ports(self.plugin); + + var in_buf = try self.allocator.alloc(f32, self.n_audio_in); + var out_buf = try self.allocator.alloc(f32, self.n_audio_out); + + var instance_opt = c.lilv_plugin_instantiate( + self.plugin, + @intToFloat(f64, in_fmt.samplerate), + null, + ); + + if (instance_opt) |instance| { + self.instance = instance; + } else { + std.debug.warn("failed to instantiate\n"); + return; + } + + var i: u32 = 0; + var o: u32 = 0; + + for (self.ports) |port, p_idx| { + var ptype = port.ptype; + var p = @intCast(u32, p_idx); + + if (ptype == .Control) { + lilv_instance_connect_port(self.instance, p, &port.value); + } else if (ptype == .Audio) { + if (port.is_input) { + lilv_instance_connect_port(self.instance, p, &in_buf[i]); + i += 1; + } else { + lilv_instance_connect_port(self.instance, p, &out_buf[o]); + o += 1; + } + } else { + lilv_instance_connect_port(self.instance, p, null); + } + } + + // Ports are now connected to buffers in interleaved format, so we can run + // a single frame at a time and avoid having to interleave buffers to + // read/write from/to sndfile. + lilv_instance_activate(self.instance); + + const START = 10 * 44100; + // for the first START frames, copy from in to out + + i = 0; + while (i < START) : (i += 1) { + _ = sread(self.in_file, in_fmt.channels, in_buf); + _ = c.sf_writef_float(self.out_file, in_buf.ptr, 1); + } + + // seek to START then run plugin over the rest + var seeked = c.sf_seek(self.in_file, START, c.SEEK_SET); + std.debug.warn("{} seeked frames\n", seeked); + + while (sread(self.in_file, in_fmt.channels, in_buf)) { + lilv_instance_run(self.instance, 1); + + if (c.sf_writef_float(self.out_file, out_buf.ptr, 1) != 1) { + std.debug.warn("failed to write to output file\n"); + return; + } + } + + lilv_instance_deactivate(self.instance); + return; +}