shithub: zuke

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mkplist: use audio/moddec (if available) to read duration

--- a/mkplist.c

+++ b/mkplist.c

@@ -133,6 +133,44 @@

 	.aux = nil,

 };

+static uvlong

+modduration(char *path)

+{

+	static int moddec = -1;

+	int f, pid, p[2], n;

+	char t[1024], *s;

+

+	if(moddec < 0)

+		moddec = close(open("/bin/audio/moddec", OEXEC)) == 0;

+	if(!moddec)

+		return 0;

+

+	pipe(p);

+	if((pid = rfork(RFPROC|RFFDG|RFNOTEG|RFCENVG|RFNOWAIT)) == 0){

+		dup(f = open(path, OREAD), 0); close(f);

+		close(1);

+		dup(p[1], 2); close(p[1]);

+		close(p[0]);

+		execl("/bin/audio/moddec", "moddec", nil);

+		sysfatal("execl: %r");

+	}

+	close(p[1]);

+

+	n = pid > 0 ? readn(p[0], t, sizeof(t)-1) : -1;

+	close(p[0]);

+	if(n > 0){

+		t[n] = 0;

+		for(s = t; s != nil; s = strchr(s+1, '\n')){

+			if(*s == '\n')

+				s++;

+			if(strncmp(s, "duration: ", 10) == 0)

+				return strtod(s+10, nil)*1000.0;

+		}

+	}

+

+	return 0;

+}

+

 static void

 scanfile(char *path)

 {

@@ -156,8 +194,12 @@

 		return;

 	}

-	if(ctx.duration == 0)

-		fprint(2, "%s: no duration\n", path);

+	if(ctx.duration == 0){

+		if(ctx.format == Fit || ctx.format == Fxm)

+			ctx.duration = modduration(path);

+		if(ctx.duration == 0)

+			fprint(2, "%s: no duration\n", path);

+	}

 	if(curr->title == nil){

 		if((s = utfrrune(path, '/')) == nil)

 			s = path;