stew

commit e1e23b060a8b2933eddb1a77d192a4467a06d324
parent de2c1409887cf7f1563c0d2bc4c89d6f0f968785
Author: Renev Pavel <an2qzavok@gmail.com>
Date:   Fri, 13 Jan 2023 12:02:28 +0000

wave: wfedit

Diffstat:
M
src/wave/mkfile
 | 
2
+-
A
src/wave/wfedit.c
 | 
110
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 111 insertions(+), 1 deletion(-)
diff --git a/src/wave/mkfile b/src/wave/mkfile
@@ -1,6 +1,6 @@
 </$objtype/mkfile
 
-TARG=draw loop fade piano sampler harm smoke inst
+TARG=draw loop fade piano sampler harm smoke inst wfedit
 BIN=/$objtype/bin
 HFILES=util.h wavetable.h prog.h
 OFILES=wavetable.$O prog.$O util.$O
diff --git a/src/wave/wfedit.c b/src/wave/wfedit.c
@@ -0,0 +1,110 @@
+/*
+ * Waveform Editor
+ */
+
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include <draw.h>
+#include <mouse.h>
+#include <cursor.h>
+#include <keyboard.h>
+
+#include "wavetable.h"
+
+enum {
+	BufMax = 8,
+	BufSize = sizeof(s16int) * WFSize,
+	CmdBufSize = 256,
+};
+
+typedef struct CmdCtl CmdCtl;
+typedef struct Command Command;
+
+struct CmdCtl {
+	Channel *c;
+};
+
+struct Command {
+	int in;
+	int out;
+	void (*op)(void *);
+	char **args;
+};
+
+void usage(void);
+void threadcmd(void *);
+int getinput(char *);
+int getoutput(char *);
+void* getop(char *);
+void bufcpy(int, int);
+
+s16int *buf[BufMax];
+
+void
+threadmain(int argc, char **argv)
+{
+	int i;
+	for (i = 0; i < BufMax; i++) buf[i] = sbrk(BufSize);
+	ARGBEGIN {
+	default:
+		usage();
+	} ARGEND;
+
+}
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s [file]\n", argv0);
+	threadexitsall("usage");
+}
+
+void
+threadcmd(void *v)
+{
+	int n;
+	Command cmd;
+	char cmdbuf[CmdBufSize], *args[64];
+	CmdCtl *rctl = v;
+	while (recv(v,cmdbuf) > 0) {
+		n = tokenize(cmdbuf, args, 64);
+		cmd = (Command) {
+			getinput(args[0]),
+			getoutput(args[n-1]),
+			getop(args[1]),
+			args + 2,
+		};
+		args[n - 1] = nil;
+		if ((cmd.in >= 0) && (cmd.out >= 0) && (cmd.op != nil)) {
+			bufcpy(cmd.in, 0);
+			cmd.op(args);
+			bufcpy(0, cmd.out);
+		} else {
+			// TODO: output error message here?
+		}
+	}
+}
+
+int
+getinput(char *)
+{
+	return 0;
+}
+
+int
+getoutput(char *)
+{
+	return 0;
+}
+
+void *
+getop(char *)
+{
+	return nil;
+}
+
+void
+bufcpy(int, int)
+{
+}