starting over

1 files changed, 228 insertions, 228 deletions

diff --git a/demo/sgi/audio_stdwin/jukebox.py b/demo/sgi/audio_stdwin/jukebox.py
index 5267d73..855ed43 100755
--- a/demo/sgi/audio_stdwin/jukebox.py
+++ b/demo/sgi/audio_stdwin/jukebox.py
@@ -3,8 +3,8 @@
 # JUKEBOX: browse directories full of sampled sound files.
 #
 # One or more "list windows" display the files and subdirectories of
-# the arguments. Double-clicking on a subdirectory opens a new window
-# displaying its contents (and so on recursively). Double clicking
+# the arguments.  Double-clicking on a subdirectory opens a new window
+# displaying its contents (and so on recursively).  Double clicking
 # on a file plays it as a sound file (assuming it is one).
 #
 # Playing is asynchronous: the application keeps listening to events
@@ -16,7 +16,7 @@
 #
 # Sound files must currently be in Dik Winter's compressed Mac format.
 # Since decompression is costly, decompressed samples are saved in
-# /usr/tmp/@j* until the application is left. The files are read
+# /usr/tmp/@j* until the application is left.  The files are read
 # afresh each time, though.
 
 import audio
@@ -38,205 +38,205 @@ from Sliders import ComplexSlider
 
 # Pathnames
 
-HOME_BIN_SGI = '/ufs/guido/bin/sgi/' # Directory where macsound2sgi lives
-DEF_DB = '/ufs/dik/sounds/Mac/HCOM' # Default directory of sounds
+HOME_BIN_SGI = '/ufs/guido/bin/sgi/'	# Directory where macsound2sgi lives
+DEF_DB = '/ufs/dik/sounds/Mac/HCOM'	# Default directory of sounds
 
 
 # Global variables
 
-class struct(): pass # Class to define featureless structures
+class struct(): pass		# Class to define featureless structures
 
-G = struct() # Holds writable global variables
+G = struct()			# Holds writable global variables
 
 
 # Main program
 
 def main():
- G.synchronous = 0 # If set, use synchronous audio.write()
- G.debug = 0 # If set, print debug messages
- G.gain = 75 # Output gain
- G.rate = 3 # Sampling rate
- G.busy = 0 # Set while asynchronous playing is active
- G.windows = [] # List of open windows (except control)
- G.mode = 'mac' # Macintosh mode
- G.tempprefix = '/usr/tmp/@j' + `rand.rand()` + '-'
- #
- optlist, args = getopt.getopt(sys.argv[1:], 'dg:r:sSa')
- for optname, optarg in optlist:
- if optname = '-d':
- G.debug = 1
- elif optname = '-g':
- G.gain = string.atoi(optarg)
- if not (0 < G.gain < 256):
- raise optarg.error, '-g gain out of range'
- elif optname = '-r':
- G.rate = string.atoi(optarg)
- if not (1 <= G.rate <= 3):
- raise optarg.error, '-r rate out of range'
- elif optname = '-s':
- G.synchronous = 1
- elif optname = '-S':
- G.mode = 'sgi'
- elif optname = '-a':
- G.mode = 'sun'
- #
- if not args:
- args = [DEF_DB]
- #
- G.cw = opencontrolwindow()
- for dirname in args:
- G.windows.append(openlistwindow(dirname))
- #
- #
- savegain = audio.getoutgain()
- try:
- # Initialize stdaudio
- audio.setoutgain(0)
- audio.start_playing('')
- dummy = audio.wait_playing()
- audio.setoutgain(0)
- maineventloop()
- finally:
- audio.setoutgain(savegain)
- audio.done()
- clearcache()
+	G.synchronous = 0	# If set, use synchronous audio.write()
+	G.debug = 0		# If set, print debug messages
+	G.gain = 75		# Output gain
+	G.rate = 3		# Sampling rate
+	G.busy = 0		# Set while asynchronous playing is active
+	G.windows = []		# List of open windows (except control)
+	G.mode = 'mac'		# Macintosh mode
+	G.tempprefix = '/usr/tmp/@j' + `rand.rand()` + '-'
+	#
+	optlist, args = getopt.getopt(sys.argv[1:], 'dg:r:sSa')
+	for optname, optarg in optlist:
+		if   optname = '-d':
+			G.debug = 1
+		elif optname = '-g':
+			G.gain = string.atoi(optarg)
+			if not (0 < G.gain < 256):
+				raise optarg.error, '-g gain out of range'
+		elif optname = '-r':
+			G.rate = string.atoi(optarg)
+			if not (1 <= G.rate <= 3):
+				raise optarg.error, '-r rate out of range'
+		elif optname = '-s':
+			G.synchronous = 1
+		elif optname = '-S':
+			G.mode = 'sgi'
+		elif optname = '-a':
+			G.mode = 'sun'
+	#
+	if not args:
+		args = [DEF_DB]
+	#
+	G.cw = opencontrolwindow()
+	for dirname in args:
+		G.windows.append(openlistwindow(dirname))
+	#
+	#
+	savegain = audio.getoutgain()
+	try:
+		# Initialize stdaudio
+		audio.setoutgain(0)
+		audio.start_playing('')
+		dummy = audio.wait_playing()
+		audio.setoutgain(0)
+		maineventloop()
+	finally:
+		audio.setoutgain(savegain)
+		audio.done()
+		clearcache()
 
 def maineventloop():
- mouse_events = WE_MOUSE_DOWN, WE_MOUSE_MOVE, WE_MOUSE_UP
- while G.windows:
- type, w, detail = event = stdwin.getevent()
- if w = G.cw.win:
- if type = WE_CLOSE:
- return
- G.cw.dispatch(event)
- else:
- if type = WE_DRAW:
- w.drawproc(w, detail)
- elif type in mouse_events:
- w.mouse(w, type, detail)
- elif type = WE_CLOSE:
- w.close(w)
- del w, event
- else:
- if G.debug: print type, w, detail
+	mouse_events = WE_MOUSE_DOWN, WE_MOUSE_MOVE, WE_MOUSE_UP
+	while G.windows:
+		type, w, detail = event = stdwin.getevent()
+		if w = G.cw.win:
+			if type = WE_CLOSE:
+				return
+			G.cw.dispatch(event)
+		else:
+			if type = WE_DRAW:
+				w.drawproc(w, detail)
+			elif type in mouse_events:
+				w.mouse(w, type, detail)
+			elif type = WE_CLOSE:
+				w.close(w)
+				del w, event
+			else:
+				if G.debug: print type, w, detail
 
 # Control window -- to set gain and cancel play operations in progress
 
 def opencontrolwindow():
- cw = WindowParent().create('Jukebox', (0, 0))
- v = VSplit().create(cw)
- #
- gain = ComplexSlider().define(v)
- gain.setminvalmax(0, G.gain, 255)
- gain.settexts(' ', ' ')
- gain.sethook(gain_setval_hook)
- #
- stop = PushButton().definetext(v, 'Stop')
- stop.hook = stop_hook
- #
- cw.realize()
- return cw
+	cw = WindowParent().create('Jukebox', (0, 0))
+	v = VSplit().create(cw)
+	#
+	gain = ComplexSlider().define(v)
+	gain.setminvalmax(0, G.gain, 255)
+	gain.settexts('  ', '  ')
+	gain.sethook(gain_setval_hook)
+	#
+	stop = PushButton().definetext(v, 'Stop')
+	stop.hook = stop_hook
+	#
+	cw.realize()
+	return cw
 
 def gain_setval_hook(self):
- G.gain = self.val
- if G.busy: audio.setoutgain(G.gain)
+	G.gain = self.val
+	if G.busy: audio.setoutgain(G.gain)
 
 def stop_hook(self):
- if G.busy:
- audio.setoutgain(0)
- dummy = audio.stop_playing()
- G.busy = 0
+	if G.busy:
+		audio.setoutgain(0)
+		dummy = audio.stop_playing()
+		G.busy = 0
 
 
 # List windows -- to display list of files and subdirectories
 
 def openlistwindow(dirname):
- list = posix.listdir(dirname)
- list.sort()
- i = 0
- while i < len(list):
- if list[i] = '.' or list[i] = '..':
- del list[i]
- else:
- i = i+1
- for i in range(len(list)):
- name = list[i]
- if path.isdir(path.cat(dirname, name)):
- list[i] = list[i] + '/'
- width = maxwidth(list)
- width = width + stdwin.textwidth(' ') # XXX X11 stdwin bug workaround
- height = len(list) * stdwin.lineheight()
- stdwin.setdefwinsize(width, min(height, 500))
- w = stdwin.open(dirname)
- stdwin.setdefwinsize(0, 0)
- w.setdocsize(width, height)
- w.drawproc = drawlistwindow
- w.mouse = mouselistwindow
- w.close = closelistwindow
- w.dirname = dirname
- w.list = list
- w.selected = -1
- return w
+	list = posix.listdir(dirname)
+	list.sort()
+	i = 0
+	while i < len(list):
+		if list[i] = '.' or list[i] = '..':
+			del list[i]
+		else:
+			i = i+1
+	for i in range(len(list)):
+		name = list[i]
+		if path.isdir(path.cat(dirname, name)):
+			list[i] = list[i] + '/'
+	width = maxwidth(list)
+	width = width + stdwin.textwidth(' ')	# XXX X11 stdwin bug workaround
+	height = len(list) * stdwin.lineheight()
+	stdwin.setdefwinsize(width, min(height, 500))
+	w = stdwin.open(dirname)
+	stdwin.setdefwinsize(0, 0)
+	w.setdocsize(width, height)
+	w.drawproc = drawlistwindow
+	w.mouse = mouselistwindow
+	w.close = closelistwindow
+	w.dirname = dirname
+	w.list = list
+	w.selected = -1
+	return w
 
 def maxwidth(list):
- width = 1
- for name in list:
- w = stdwin.textwidth(name)
- if w > width: width = w
- return width
+	width = 1
+	for name in list:
+		w = stdwin.textwidth(name)
+		if w > width: width = w
+	return width
 
 def drawlistwindow(w, area):
- d = w.begindrawing()
- d.erase((0, 0), (1000, 10000))
- lh = d.lineheight()
- h, v = 0, 0
- for name in w.list:
- d.text((h, v), name)
- v = v + lh
- showselection(w, d)
+	d = w.begindrawing()
+	d.erase((0, 0), (1000, 10000))
+	lh = d.lineheight()
+	h, v = 0, 0
+	for name in w.list:
+		d.text((h, v), name)
+		v = v + lh
+	showselection(w, d)
 
 def hideselection(w, d):
- if w.selected >= 0:
- invertselection(w, d)
+	if w.selected >= 0:
+		invertselection(w, d)
 
 def showselection(w, d):
- if w.selected >= 0:
- invertselection(w, d)
+	if w.selected >= 0:
+		invertselection(w, d)
 
 def invertselection(w, d):
- lh = d.lineheight()
- h1, v1 = p1 = 0, w.selected*lh
- h2, v2 = p2 = 1000, v1 + lh
- d.invert(p1, p2)
+	lh = d.lineheight()
+	h1, v1 = p1 = 0, w.selected*lh
+	h2, v2 = p2 = 1000, v1 + lh
+	d.invert(p1, p2)
 
 def mouselistwindow(w, type, detail):
- (h, v), clicks, button = detail[:3]
- d = w.begindrawing()
- lh = d.lineheight()
- if 0 <= v < lh*len(w.list):
- i = v / lh
- else:
- i = -1
- if w.selected <> i:
- hideselection(w, d)
- w.selected = i
- showselection(w, d)
- if type = WE_MOUSE_DOWN and clicks >= 2 and i >= 0:
- name = path.cat(w.dirname, w.list[i])
- if name[-1:] = '/':
- if clicks = 2:
- G.windows.append(openlistwindow(name[:-1]))
- else:
- playfile(name)
+	(h, v), clicks, button = detail[:3]
+	d = w.begindrawing()
+	lh = d.lineheight()
+	if 0 <= v < lh*len(w.list):
+		i = v / lh
+	else:
+		i = -1
+	if w.selected <> i:
+		hideselection(w, d)
+		w.selected = i
+		showselection(w, d)
+	if type = WE_MOUSE_DOWN and clicks >= 2 and i >= 0:
+		name = path.cat(w.dirname, w.list[i])
+		if name[-1:] = '/':
+			if clicks = 2:
+				G.windows.append(openlistwindow(name[:-1]))
+		else:
+			playfile(name)
 
 def closelistwindow(w):
- remove(G.windows, w)
+	remove(G.windows, w)
 
 def remove(list, item):
- for i in range(len(list)):
- if list[i] = item:
- del list[i]
- break
+	for i in range(len(list)):
+		if list[i] = item:
+			del list[i]
+			break
 
 
 # Playing tools
@@ -244,78 +244,78 @@ def remove(list, item):
 cache = {}
 
 def clearcache():
- for x in cache.keys():
- try:
- sts = posix.system('rm -f ' + cache[x])
- if sts:
- print cmd
- print 'Exit status', sts
- except:
- print cmd
- print 'Exception?!'
- del cache[x]
+	for x in cache.keys():
+		try:
+			sts = posix.system('rm -f ' + cache[x])
+			if sts:
+				print cmd
+				print 'Exit status', sts
+		except:
+			print cmd
+			print 'Exception?!'
+		del cache[x]
 
 def playfile(name):
- if G.mode <> 'mac':
- tempname = name
- elif cache.has_key(name):
- tempname = cache[name]
- else:
- tempname = G.tempprefix + `rand.rand()`
- cmd = HOME_BIN_SGI + 'macsound2sgi'
- cmd = cmd + ' ' + commands.mkarg(name)
- cmd = cmd + ' >' + tempname
- if G.debug: print cmd
- sts = posix.system(cmd)
- if sts:
- print cmd
- print 'Exit status', sts
- stdwin.fleep()
- return
- cache[name] = tempname
- fp = open(tempname, 'r')
- try:
- hdr = sunaudio.gethdr(fp)
- except sunaudio.error, msg:
- hdr = ()
- if hdr:
- data_size = hdr[0]
- data = fp.read(data_size)
- # XXX this doesn't work yet, need to convert from uLAW!!!
- del fp
- else:
- del fp
- data = readfile(tempname)
- if G.debug: print len(data), 'bytes read from', tempname
- if G.busy:
- G.busy = 0
- dummy = audio.stop_playing()
- #
- # Completely reset the audio device
- audio.setrate(G.rate)
- audio.setduration(0)
- audio.setoutgain(G.gain)
- #
- if G.synchronous:
- audio.write(data)
- audio.setoutgain(0)
- else:
- try:
- audio.start_playing(data)
- G.busy = 1
- except:
- stdwin.fleep()
- del data
+	if G.mode <> 'mac':
+		tempname = name
+	elif cache.has_key(name):
+		tempname = cache[name]
+	else:
+		tempname = G.tempprefix + `rand.rand()`
+		cmd = HOME_BIN_SGI + 'macsound2sgi'
+		cmd = cmd + ' ' + commands.mkarg(name)
+		cmd = cmd + ' >' + tempname
+		if G.debug: print cmd
+		sts = posix.system(cmd)
+		if sts:
+			print cmd
+			print 'Exit status', sts
+			stdwin.fleep()
+			return
+		cache[name] = tempname
+	fp = open(tempname, 'r')
+	try:
+		hdr = sunaudio.gethdr(fp)
+	except sunaudio.error, msg:
+		hdr = ()
+	if hdr:
+		data_size = hdr[0]
+		data = fp.read(data_size)
+		# XXX this doesn't work yet, need to convert from uLAW!!!
+		del fp
+	else:
+		del fp
+		data = readfile(tempname)
+	if G.debug: print len(data), 'bytes read from', tempname
+	if G.busy:
+		G.busy = 0
+		dummy = audio.stop_playing()
+	#
+	# Completely reset the audio device
+	audio.setrate(G.rate)
+	audio.setduration(0)
+	audio.setoutgain(G.gain)
+	#
+	if G.synchronous:
+		audio.write(data)
+		audio.setoutgain(0)
+	else:
+		try:
+			audio.start_playing(data)
+			G.busy = 1
+		except:
+			stdwin.fleep()
+	del data
 
 def readfile(filename):
- return readfp(open(filename, 'r'))
+	return readfp(open(filename, 'r'))
 
 def readfp(fp):
- data = ''
- while 1:
- buf = fp.read(102400) # Reads most samples in one fell swoop
- if not buf:
- return data
- data = data + buf
+	data = ''
+	while 1:
+		buf = fp.read(102400) # Reads most samples in one fell swoop
+		if not buf:
+			return data
+		data = data + buf
 
 main()