diff options
Diffstat (limited to 'Demo/stdwin/jukebox.py')
| -rwxr-xr-x | Demo/stdwin/jukebox.py | 163 |
1 files changed, 119 insertions, 44 deletions
diff --git a/Demo/stdwin/jukebox.py b/Demo/stdwin/jukebox.py index fba5d71..61e7560 100755 --- a/Demo/stdwin/jukebox.py +++ b/Demo/stdwin/jukebox.py @@ -1,6 +1,6 @@ -#! /ufs/guido/bin/sgi/python +#! /usr/local/python -# XXX This file is being hacked -- some functionality has been taken out! +# XXX This only works on SGIs running IRIX 4.0 or higher # JUKEBOX: browse directories full of sampled sound files. # @@ -9,17 +9,17 @@ # 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 -# while the sample is playing, so you can change the volume (gain) -# during playing, cancel playing or start a new sample right away. +# Playing is asynchronous: the application keeps listening for events +# while the sample is playing, so you can cancel playing or start a +# new sample right away. Synchronous playing is available through the +# -s option. # -# The control window displays the current output gain and a primitive -# "stop button" to cancel the current play request. +# The control window displays a "stop button" that cancel the current +# play request. # -# 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 -# afresh each time, though. +# Most sound file formats recognized by SOX or SFPLAY are recognized. +# Since conversion is costly, converted files are cached in +# /usr/tmp/@j* until the user quits. import commands import getopt @@ -32,13 +32,11 @@ import sys import tempfile from WindowParent import WindowParent -from HVSplit import VSplit from Buttons import PushButton -from Sliders import ComplexSlider # Pathnames -DEF_DB = '/usr/local/sounds/aiff' # Default directory of sounds +DEF_DB = '/usr/local/sounds' # Default directory of sounds SOX = '/usr/local/sox' # Sound format conversion program SFPLAY = '/usr/sbin/sfplay' # Sound playing program @@ -47,7 +45,7 @@ SFPLAY = '/usr/sbin/sfplay' # Sound playing program class struct(): pass # Class to define featureless structures -G = struct() # Holds writable global variables +G = struct() # oHlds writable global variables # Main program @@ -67,7 +65,7 @@ def main(): sys.stdout = sys.stderr print msg print 'usage: jukebox [-d] [-s] [-t type] [-r rate]' - print ' -d debugging' + print ' -d debugging (-dd event debugging)' print ' -s synchronous playing' print ' -t type file type' print ' -r rate sampling rate' @@ -75,7 +73,7 @@ def main(): # for optname, optarg in optlist: if optname == '-d': - G.debug = 1 + G.debug = G.debug + 1 elif optname == '-r': G.rate = int(eval(optarg)) elif optname == '-s': @@ -97,6 +95,10 @@ def main(): clearcache() killchild() +# Entries in Rate menu: +rates = ['default', \ + '8000', '11025', '16000', '22050', '32000', '41000', '48000'] + def maineventloop(): mouse_events = WE_MOUSE_DOWN, WE_MOUSE_MOVE, WE_MOUSE_UP while G.windows: @@ -108,6 +110,16 @@ def maineventloop(): checkchild() if G.busy: G.cw.win.settimer(1) + elif type == WE_MENU: + menu, item = detail + if menu is G.ratemenu: + clearcache() + if item == 0: + G.rate = 0 + else: + G.rate = eval(rates[item]) + for i in range(len(rates)): + menu.check(i, (i == item)) else: G.cw.dispatch(event) else: @@ -119,7 +131,7 @@ def maineventloop(): w.close(w) del w, event else: - if G.debug: print type, w, detail + if G.debug > 1: print type, w, detail def checkchild(): if G.busy: @@ -142,14 +154,24 @@ def waitchild(options): def opencontrolwindow(): stdwin.setdefscrollbars(0, 0) cw = WindowParent().create('Jukebox', (0, 0)) - v = VSplit().create(cw) # - stop = PushButton().definetext(v, 'Stop') + stop = PushButton().definetext(cw, ' Stop ') stop.hook = stop_hook stop.enable(0) G.stop = stop # cw.realize() + # + G.ratemenu = cw.win.menucreate('Rate') + for r in rates: + G.ratemenu.additem(r) + if G.rate == 0: + G.ratemenu.check(0, 1) + else: + for i in len(range(rates)): + if rates[i] == `G.rate`: + G.ratemenu.check(i, 1) + # return cw def stop_hook(self): @@ -264,31 +286,51 @@ cache = {} def clearcache(): for x in cache.keys(): - try: - sts = os.system('rm -f ' + cache[x]) - if sts: - print cmd - print 'Exit status', sts - except: + cmd = 'rm -f ' + cache[x] + if G.debug: print cmd + sts = os.system(cmd) + if sts: print cmd - print 'Exception?!' + print 'Exit status', sts del cache[x] -def playfile(name): +validrates = (8000, 11025, 16000, 22050, 32000, 44100, 48000) + +def playfile(filename): killchild() - if G.mode in ('', 'au', 'aiff'): - tempname = name - elif cache.has_key(name): - tempname = cache[name] + import sndhdr + tuple = sndhdr.what(filename) + raw = 0 + if tuple: + mode, rate = tuple[:2] + if rate == 0: + rate = G.rate + if rate == 0: + rate = 8000 + else: + mode = G.mode + rate = G.rate + if G.debug: print 'mode =', mode, 'rate =', rate + if mode in ('au', 'aiff', 'wav', 'aifc', 'ul', 'ub', 'sb') and \ + rate in validrates: + tempname = filename + if mode in ('ul', 'ub', 'sb'): + raw = 1 + elif cache.has_key(filename): + tempname = cache[filename] else: tempname = G.tempprefix + `rand.rand()` + '.aiff' cmd = SOX - if G.mode <> '' and G.mode <> 'sox': - cmd = cmd + ' -t ' + G.mode - cmd = cmd + ' ' + commands.mkarg(name) + if G.debug: + cmd = cmd + ' -V' + if mode <> '': + cmd = cmd + ' -t ' + mode + cmd = cmd + ' ' + commands.mkarg(filename) cmd = cmd + ' -t aiff' - if G.rate: - cmd = cmd + ' -r ' + `G.rate` + if rate not in validrates: + rate = 32000 + if rate: + cmd = cmd + ' -r ' + `rate` cmd = cmd + ' ' + tempname if G.debug: print cmd sts = os.system(cmd) @@ -297,13 +339,11 @@ def playfile(name): print 'Exit status', sts stdwin.fleep() return - cache[name] = tempname - pid = os.fork() - if pid == 0: - # Child - os.exec(SFPLAY, [SFPLAY, '-r', tempname]) - # NOTREACHED - # Parent + cache[filename] = tempname + if raw: + pid = sfplayraw(tempname, tuple) + else: + pid = sfplay(tempname, []) if G.synchronous: sts = os.wait(pid, 0) else: @@ -311,4 +351,39 @@ def playfile(name): G.stop.enable(1) G.cw.win.settimer(1) +def sfplayraw(filename, tuple): + import sndhdr + args = ['-i'] + type, rate, channels, frames, bits = tuple + if type == 'ul': + args.append('mulaw') + elif type == 'ub': + args = args + ['integer', '8', 'unsigned'] + elif type == 'sb': + args = args + ['integer', '8', '2scomp'] + else: + print 'sfplayraw: warning: unknown type in', tuple + if channels > 1: + args = args + ['channels', `channels`] + if not rate: + rate = G.rate + if rate: + args = args + ['rate', `rate`] + args.append('end') + return sfplay(filename, args) + +def sfplay(filename, args): + if G.debug: + args = ['-p'] + args + args = [SFPLAY, '-r'] + args + [filename] + if G.debug: print 'sfplay:', args + pid = os.fork() + if pid == 0: + # Child + os.exec(SFPLAY, args) + # NOTREACHED + else: + # Parent + return pid + main() |