diff -ur v1/snddiv.py v2/snddiv.py
--- v1/snddiv.py	2020-01-19 16:07:27.000000000 +0900
+++ v2/snddiv.py	2020-01-19 16:31:38.000000000 +0900
@@ -2,13 +2,18 @@
 
 import sys
 import os
+import time
 import yaml
+import select
+import threading
 
 import empty
 import cmd_ut
 import thr
 import dbg
 
+readable = lambda fd, tmout=3.0: select.select([fd], [], [], tmout)[0] == [fd]
+
 def data_new(name_mp3):
 
 	(name, mp3) = os.path.splitext(name_mp3)
@@ -84,10 +89,96 @@
 
 	return empty.new( locals() )
 
+def play_new(dat, opt, r_rate=1.0):
+	e = empty.new()
+	e.dat = dat
+	e.run = False
+	e.sec = 0
+	e.rbuf = ''
+	e.evt = threading.Event()
+
+	last_sec = opt.byte_to_sec( len(dat) )
+
+	def proc_new():
+		sudo_passwd = ''
+		cmd = 'play {} -'.format( opt.get_raw_opt(r_rate) )
+		if sudo_passwd:
+			cmd = 'sudo -S ' + cmd	
+		PIPE = cmd_ut.PIPE
+		proc = cmd_ut.proc_new(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)
+		if sudo_passwd:
+			proc.write_stdin_flush( sudo_passwd + '\n' )
+		return proc
+
+	def update():
+		s = e.rbuf
+		if not s.startswith('In:'):
+			return
+		lst = s.split()[1:2]
+		if not lst:
+			return
+		s = lst[0]
+		sec = 0
+		for v in map( float, s.split(':') ):
+			sec *= 60
+			sec += v
+		if sec >= last_sec:
+			e.run = False
+		e.sec = sec
+		e.evt.set()
+
+	def rfunc(f):
+		if not ( e.run and readable(f) ):
+			return
+		c = f.read(1)
+		if not c:
+			return
+		c = c.decode()
+		e.rbuf += c
+		if c in '\n\r':
+			update()
+			e.rbuf = ''
+
+	def wfunc(f):
+		try:
+			f.write(dat)
+		except:
+			pass
+		f.close()
+
+	proc = proc_new()
+	rth = thr.loop_new( rfunc, ( proc.get_stderr(), ) )
+	wth = thr.th_new( wfunc, ( proc.get_stdin(), ) )	
+
+	def start():
+		e.run = True
+		rth.start()
+		wth.start()
+
+	def stop():
+		e.run = False
+		proc.kill()
+		rth.stop()
+		wth.stop()
+		proc.wait()
+
+	return empty.to_attr( e, locals() )
+
 if __name__ == "__main__":
 	if not sys.argv[1:]:
 		dbg.err_exit( 'Usage: {} filename_mp3'.format( sys.argv[0] ) )
 
 	data = data_new( sys.argv[1] )
 	dbg.out( 'last_sec={}'.format( data.last_sec ) )
+
+	opt = data.opt
+	dat = data.get_dat_sec(10, False)
+	play = play_new(dat, opt)
+
+	while True:
+		dbg.out('snd> ', '')
+		s = sys.stdin.readline()
+		if not s:
+			break
+		exec(s)
 # EOF