From c2587c76f1b416cdbecb979e54941933246bf856 Mon Sep 17 00:00:00 2001 From: Skip Montanaro Date: Tue, 16 Feb 2021 20:14:16 -0600 Subject: starting over --- demo/sgi/audio_stdwin/README | 20 +- demo/sgi/audio_stdwin/jukebox.py | 456 +++++++++++++++++++-------------------- demo/sgi/audio_stdwin/rec.py | 414 +++++++++++++++++------------------ demo/sgi/audio_stdwin/vumeter.py | 34 +-- 4 files changed, 462 insertions(+), 462 deletions(-) (limited to 'demo/sgi/audio_stdwin') diff --git a/demo/sgi/audio_stdwin/README b/demo/sgi/audio_stdwin/README index 3074715..24a710a 100644 --- a/demo/sgi/audio_stdwin/README +++ b/demo/sgi/audio_stdwin/README @@ -1,16 +1,16 @@ Three programs that provide a user interface based upon STDWIN to the -audio device of the SGI 4D/25. These scripts also demonstrate the power +audio device of the SGI 4D/25. These scripts also demonstrate the power of a set of window interface classes implemented in Python that simplify the construction of all sorts of buttons, etc. -jukebox Browses a directory full of sound samples and lets you - play selected ones. (Probably not fully functional, it - requires a conversion program.) +jukebox Browses a directory full of sound samples and lets you + play selected ones. (Probably not fully functional, it + requires a conversion program.) -rec A tape recorder that lets you record a sound sample, - play it back, and save it to a file. Various options to - set sampling rate, volume etc. When idle it doubles - as a VU meter. +rec A tape recorder that lets you record a sound sample, + play it back, and save it to a file. Various options to + set sampling rate, volume etc. When idle it doubles + as a VU meter. -vumeter A VU meter that displays a history of the volume of - sound recently sampled from the microphone. +vumeter A VU meter that displays a history of the volume of + sound recently sampled from the microphone. 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() diff --git a/demo/sgi/audio_stdwin/rec.py b/demo/sgi/audio_stdwin/rec.py index 3ab3aea..a48716a 100755 --- a/demo/sgi/audio_stdwin/rec.py +++ b/demo/sgi/audio_stdwin/rec.py @@ -16,14 +16,14 @@ from WindowParent import WindowParent from HVSplit import HSplit, VSplit class TimeOutToggleButton() = ToggleButton(): - def define(self, parent): - self = ToggleButton.define(self, parent) - self.parent.need_timer(self) - self.timer_hook = 0 - return self - def timer(self): - if self.timer_hook: - self.timer_hook(self) + def define(self, parent): + self = ToggleButton.define(self, parent) + self.parent.need_timer(self) + self.timer_hook = 0 + return self + def timer(self): + if self.timer_hook: + self.timer_hook(self) K = 1024 BUFSIZE = 30*8*K @@ -34,238 +34,238 @@ class Struct(): pass G = Struct() def main(): - # - # Set default state - # - G.gain = 60 - G.rate = 3 - G.nomuting = 0 - G.savefile = '@rec' - # - # Set default values - # - G.data = '' - G.playing = 0 - G.recording = 0 - G.sogram = 0 - # - # Parse options - # - optlist, args = getopt.getopt(sys.argv[1:], 'mdg:r:') - # - for optname, optarg in optlist: - if 0: # (So all cases start with elif) - pass - elif 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 = '-m': - G.nomuting = (not G.nomuting) - elif optname = '-r': - G.rate = string.atoi(optarg) - if not (1 <= G.rate <= 3): - raise optarg.error, '-r rate out of range' - # - if args: - G.savefile = args[0] - # - # Initialize the sound package - # - audio.setoutgain(G.nomuting * G.gain) # Silence the speaker - audio.setrate(G.rate) - # - # Create the WindowParent and VSplit - # - G.window = WindowParent().create('Recorder', (0, 0)) - w = G.vsplit = VSplit().create(G.window) - # - # VU-meter - # - G.vubtn = VUMeter().define(w) - # - # Radiobuttons for rates - # - r1btn = RadioButton().definetext(w, '32 K/sec') - r1btn.on_hook = rate_hook - r1btn.rate = 1 - # - r2btn = RadioButton().definetext(w, '16 K/sec') - r2btn.on_hook = rate_hook - r2btn.rate = 2 - # - r3btn = RadioButton().definetext(w, '8 K/sec') - r3btn.on_hook = rate_hook - r3btn.rate = 3 - # - radios = [r1btn, r2btn, r3btn] - r1btn.group = r2btn.group = r3btn.group = radios - for r in radios: - if r.rate = G.rate: r.select(1) - # - # Other controls - # - G.recbtn = TimeOutToggleButton().definetext(w, 'Record') - G.recbtn.on_hook = record_on_hook - G.recbtn.timer_hook = record_timer_hook - G.recbtn.off_hook = record_off_hook - # - G.mutebtn = CheckButton().definetext(w, 'Mute') - G.mutebtn.select(not G.nomuting) - G.mutebtn.hook = mute_hook - # - G.playbtn = TimeOutToggleButton().definetext(w, 'Playback') - G.playbtn.on_hook = play_on_hook - G.playbtn.timer_hook = play_timer_hook - G.playbtn.off_hook = play_off_hook - # - G.gainbtn = ComplexSlider().define(w) - G.gainbtn.settexts(' Volume: ', ' ') - G.gainbtn.setminvalmax(0, G.gain, 255) - G.gainbtn.sethook(gain_hook) - # - G.sizebtn = Label().definetext(w, `len(G.data)` + ' bytes') - # - #G.showbtn = PushButton().definetext(w, 'Sound-o-gram...') - #G.showbtn.hook = show_hook - # - G.savebtn = PushButton().definetext(w, 'Save...') - G.savebtn.hook = save_hook - # - G.quitbtn = PushButton().definetext(w, 'Quit') - G.quitbtn.hook = quit_hook - G.playbtn.enable(0) - G.savebtn.enable(0) - #G.showbtn.enable(0) - start_vu() - G.window.realize() - # - # Event loop - # - while 1: - e = stdwin.getevent() - G.window.dispatch(e) + # + # Set default state + # + G.gain = 60 + G.rate = 3 + G.nomuting = 0 + G.savefile = '@rec' + # + # Set default values + # + G.data = '' + G.playing = 0 + G.recording = 0 + G.sogram = 0 + # + # Parse options + # + optlist, args = getopt.getopt(sys.argv[1:], 'mdg:r:') + # + for optname, optarg in optlist: + if 0: # (So all cases start with elif) + pass + elif 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 = '-m': + G.nomuting = (not G.nomuting) + elif optname = '-r': + G.rate = string.atoi(optarg) + if not (1 <= G.rate <= 3): + raise optarg.error, '-r rate out of range' + # + if args: + G.savefile = args[0] + # + # Initialize the sound package + # + audio.setoutgain(G.nomuting * G.gain) # Silence the speaker + audio.setrate(G.rate) + # + # Create the WindowParent and VSplit + # + G.window = WindowParent().create('Recorder', (0, 0)) + w = G.vsplit = VSplit().create(G.window) + # + # VU-meter + # + G.vubtn = VUMeter().define(w) + # + # Radiobuttons for rates + # + r1btn = RadioButton().definetext(w, '32 K/sec') + r1btn.on_hook = rate_hook + r1btn.rate = 1 + # + r2btn = RadioButton().definetext(w, '16 K/sec') + r2btn.on_hook = rate_hook + r2btn.rate = 2 + # + r3btn = RadioButton().definetext(w, '8 K/sec') + r3btn.on_hook = rate_hook + r3btn.rate = 3 + # + radios = [r1btn, r2btn, r3btn] + r1btn.group = r2btn.group = r3btn.group = radios + for r in radios: + if r.rate = G.rate: r.select(1) + # + # Other controls + # + G.recbtn = TimeOutToggleButton().definetext(w, 'Record') + G.recbtn.on_hook = record_on_hook + G.recbtn.timer_hook = record_timer_hook + G.recbtn.off_hook = record_off_hook + # + G.mutebtn = CheckButton().definetext(w, 'Mute') + G.mutebtn.select(not G.nomuting) + G.mutebtn.hook = mute_hook + # + G.playbtn = TimeOutToggleButton().definetext(w, 'Playback') + G.playbtn.on_hook = play_on_hook + G.playbtn.timer_hook = play_timer_hook + G.playbtn.off_hook = play_off_hook + # + G.gainbtn = ComplexSlider().define(w) + G.gainbtn.settexts(' Volume: ', ' ') + G.gainbtn.setminvalmax(0, G.gain, 255) + G.gainbtn.sethook(gain_hook) + # + G.sizebtn = Label().definetext(w, `len(G.data)` + ' bytes') + # + #G.showbtn = PushButton().definetext(w, 'Sound-o-gram...') + #G.showbtn.hook = show_hook + # + G.savebtn = PushButton().definetext(w, 'Save...') + G.savebtn.hook = save_hook + # + G.quitbtn = PushButton().definetext(w, 'Quit') + G.quitbtn.hook = quit_hook + G.playbtn.enable(0) + G.savebtn.enable(0) + #G.showbtn.enable(0) + start_vu() + G.window.realize() + # + # Event loop + # + while 1: + e = stdwin.getevent() + G.window.dispatch(e) # XXX Disabled... def show_hook(self): - savetext = self.text - self.settext('Be patient...') - close_sogram() - stdwin.setdefwinsize(400, 300) - win = stdwin.open('Sound-o-gram') - G.sogram = Soundogram().define(win, G.data) - win.buttons = [G.sogram] - self.settext(savetext) + savetext = self.text + self.settext('Be patient...') + close_sogram() + stdwin.setdefwinsize(400, 300) + win = stdwin.open('Sound-o-gram') + G.sogram = Soundogram().define(win, G.data) + win.buttons = [G.sogram] + self.settext(savetext) def close_sogram(): - if G.sogram: - # Break circular references - G.sogram.win.buttons[:] = [] - del G.sogram.win - G.sogram = 0 + if G.sogram: + # Break circular references + G.sogram.win.buttons[:] = [] + del G.sogram.win + G.sogram = 0 def mute_hook(self): - G.nomuting = (not self.selected) - audio.setoutgain(G.nomuting * G.gain) + G.nomuting = (not self.selected) + audio.setoutgain(G.nomuting * G.gain) def rate_hook(self): - G.rate = self.rate - audio.setrate(G.rate) + G.rate = self.rate + audio.setrate(G.rate) def record_on_hook(self): - stop_vu() - close_sogram() - audio.setrate(G.rate) - audio.setoutgain(G.nomuting * G.gain) - audio.start_recording(BUFSIZE) - G.recording = 1 - G.playbtn.enable(0) - G.window.settimer(10 * BUFSIZE / Rates[G.rate]) + stop_vu() + close_sogram() + audio.setrate(G.rate) + audio.setoutgain(G.nomuting * G.gain) + audio.start_recording(BUFSIZE) + G.recording = 1 + G.playbtn.enable(0) + G.window.settimer(10 * BUFSIZE / Rates[G.rate]) def record_timer_hook(self): - if G.recording: - if audio.poll_recording(): - self.hilite(0) - record_off_hook(self) - else: - self.parent.settimer(5) + if G.recording: + if audio.poll_recording(): + self.hilite(0) + record_off_hook(self) + else: + self.parent.settimer(5) def record_off_hook(self): - if not G.recording: - return - G.data = audio.stop_recording() - G.recording = 0 - G.sizebtn.settext(`len(G.data)` + ' bytes') - audio.setoutgain(G.nomuting * G.gain) - G.playbtn.enable((len(G.data) > 0)) - G.savebtn.enable((len(G.data) > 0)) - #G.showbtn.enable((len(G.data) > 0)) - G.window.settimer(0) - start_vu() + if not G.recording: + return + G.data = audio.stop_recording() + G.recording = 0 + G.sizebtn.settext(`len(G.data)` + ' bytes') + audio.setoutgain(G.nomuting * G.gain) + G.playbtn.enable((len(G.data) > 0)) + G.savebtn.enable((len(G.data) > 0)) + #G.showbtn.enable((len(G.data) > 0)) + G.window.settimer(0) + start_vu() def play_on_hook(self): - stop_vu() - audio.setrate(G.rate) - audio.setoutgain(G.gain) - audio.start_playing(G.data) - G.playing = 1 - G.recbtn.enable(0) - G.window.settimer(max(10 * len(G.data) / Rates[G.rate], 1)) + stop_vu() + audio.setrate(G.rate) + audio.setoutgain(G.gain) + audio.start_playing(G.data) + G.playing = 1 + G.recbtn.enable(0) + G.window.settimer(max(10 * len(G.data) / Rates[G.rate], 1)) def play_timer_hook(self): - if G.playing: - if audio.poll_playing(): - self.hilite(0) - play_off_hook(self) - else: - self.parent.settimer(5) + if G.playing: + if audio.poll_playing(): + self.hilite(0) + play_off_hook(self) + else: + self.parent.settimer(5) def play_off_hook(self): - if not G.playing: - return - x = audio.stop_playing() - G.playing = 0 - audio.setoutgain(G.nomuting * G.gain) - G.recbtn.enable(1) - G.window.settimer(0) - start_vu() + if not G.playing: + return + x = audio.stop_playing() + G.playing = 0 + audio.setoutgain(G.nomuting * G.gain) + G.recbtn.enable(1) + G.window.settimer(0) + start_vu() def gain_hook(self): - G.gain = self.val - if G.playing or G.nomuting: audio.setoutgain(G.gain) + G.gain = self.val + if G.playing or G.nomuting: audio.setoutgain(G.gain) def save_hook(self): - if not G.data: - stdwin.fleep() - else: - prompt = 'Store sampled data on file: ' - try: - G.savefile = stdwin.askfile(prompt, G.savefile, 1) - except KeyboardInterrupt: - return - try: - fp = open(G.savefile, 'w') - fp.write(Magics[G.rate] + G.data) - except: - stdwin.message('Cannot create ' + file) + if not G.data: + stdwin.fleep() + else: + prompt = 'Store sampled data on file: ' + try: + G.savefile = stdwin.askfile(prompt, G.savefile, 1) + except KeyboardInterrupt: + return + try: + fp = open(G.savefile, 'w') + fp.write(Magics[G.rate] + G.data) + except: + stdwin.message('Cannot create ' + file) def stop_vu(): - G.vubtn.stop() + G.vubtn.stop() def start_vu(): - G.vubtn.start() + G.vubtn.start() Exit = 'exit' # exception def quit_hook(self): - raise Exit, 0 + raise Exit, 0 try: - try: - main() - finally: - audio.setoutgain(0) + try: + main() + finally: + audio.setoutgain(0) except Exit, sts: - sys.exit(sts) + sys.exit(sts) diff --git a/demo/sgi/audio_stdwin/vumeter.py b/demo/sgi/audio_stdwin/vumeter.py index 1685ba2..86b9484 100755 --- a/demo/sgi/audio_stdwin/vumeter.py +++ b/demo/sgi/audio_stdwin/vumeter.py @@ -12,24 +12,24 @@ BUFSIZE = NBUFS*48 SCALE=128 class MyVUMeter() = VUMeter(): - def init_reactivity(self): - self.parent.need_mouse(self) - def mouse_down(self, detail): - if self.enabled: - self.stop() - else: - self.start() - def mouse_move(self, detail): pass - def mouse_up(self, detail): pass + def init_reactivity(self): + self.parent.need_mouse(self) + def mouse_down(self, detail): + if self.enabled: + self.stop() + else: + self.start() + def mouse_move(self, detail): pass + def mouse_up(self, detail): pass def main(): - audio.setrate(3) - audio.setoutgain(0) - w = WindowParent().create('VU Meter', (200, 100)) - v = MyVUMeter().define(w) - v.start() - w.realize() - while 1: - w.dispatch(stdwin.getevent()) + audio.setrate(3) + audio.setoutgain(0) + w = WindowParent().create('VU Meter', (200, 100)) + v = MyVUMeter().define(w) + v.start() + w.realize() + while 1: + w.dispatch(stdwin.getevent()) main() -- cgit v1.2.3