# SAMPLEPLAY - Audio Sample Player Utilities for Children (2011)
# Art Hunkins (www.arthunkins.com)
#
# Sampleplay is licensed under the Creative Commons Attribution-Share
# Alike 3.0 Unported License. To view a copy of this license, visit
# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
# Creative Commons, 171 Second Street, Suite 300, San Francisco,
# California, 94105, USA.
#
# It is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# version 4:
# documentation change
import csndsugui
from sugar.activity import activity
from sugar.graphics.objectchooser import ObjectChooser
from sugar import mime
import gtk
import os
class SamplePlay(activity.Activity):
def __init__(self, handle):
activity.Activity.__init__(self, handle)
red = (0xDDDD, 0, 0)
brown = (0x6600, 0, 0)
green = (0, 0x5500, 0)
self.paths = ["0"]*26
self.jobjects = [None]*26
self.buts = [None]*26
win = csndsugui.CsoundGUI(self)
width = gtk.gdk.screen_width()
height = gtk.gdk.screen_height()
if os.path.exists("/etc/olpc-release") or os.path.exists("/sys/power/olpc-pm"):
adjust = 78
else:
adjust = 57
screen = win.box()
screen.set_size_request(width, height - adjust)
scrolled = gtk.ScrolledWindow()
scrolled.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
screen.pack_start(scrolled)
all = gtk.VBox()
all.show()
scrolled.add_with_viewport(all)
scrolled.show()
win.text("SAMPLEPLAY - Audio Sample Player \
Utilities for Children (2011)\n\
\t\t\t Art Hunkins (www.arthunkins.com)", all)
win.text("\
SamplePlay and SamplePlayASC play up to 25 mono/stereo samples and \
0 - 1 audio loops at the same time;\n\
wav and ogg vorbis formats only (no ogg vorbis on Sugar 0.84).\n\
User samples must be placed in Journal (Record activity \
does this). No user files on Sugar 0.82 (original XO-1).\n\
The default samples are those from the author's \
OISEAUX ORDINAIRES. You are urged to create your own!\t ", all, brown)
win.text("SamplePlay requires a MIDI controller, \
one key/button/pad per active sample (optionally velocity-sensitive); \t\n also \
(optionally) an additional key/button/pad and/or 1-3 MIDI knobs/sliders. \
All samples/MIDI notes are consecutive.", all, green)
win.text("\
MIDI: plug in controller after boot & before selecting version. \
Zero controls before start; reset pan & pitch \
to .5 after.", all, green)
win.text("SamplePlayASC doesn't involve MIDI; \
control is via one or more ASCII keyboards.\n\
ASCII keys used: (sample amplitude) 1-0(10); (pitch change, both + and -) \
SHIFTED 1-0(10);\n\
(pan position, left/right) Z to / [all the above take effect with next keypress]; \
(samples 1-12 trigger) Q to ];\n\
(samples 13-23) A to '; (sample 24) the - key, and \
(sample 25) the = key. The ` key starts/stops background loop. ", all, brown)
nbox = win.box(False, all)
self.b2box = win.box(False, all)
self.b3box = win.box(False, all)
but1 = win.cbbutton(nbox, self.version1, " 1 SamplePlay ")
but1.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x7700, 0))
but1.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x7700, 0))
but2 = win.cbbutton(nbox, self.version2, " 2 SamplePlayASC ")
but2.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x7700, 0))
but2.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x7700, 0))
win.text(" MIDI DEVICE REQUIRED for SamplePlay", nbox, green)
try:
from jarabe import config
version = [int(i) for i in config.version.split('.')][:2]
except ImportError:
version = [0, 82]
if version >= [0, 84]:
win.text(" Optionally, before choosing version, \
select your own audio sample(s) and/or loop from Journal \n\
Deselect by closing Journal. Create soundfiles with Record activity \
or Audacity (see ReadMe.txt).", self.b2box, brown)
win.text(" Load Loop\n & Samples", self.b2box, brown)
self.buts[0] = win.cbbutton(self.b2box, self.choose0, "Loop")
self.buts[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x6600, 0, 0))
win.text("", self.b3box, brown)
for i in range(1, 26):
self.buts[i] = win.cbbutton(self.b3box, self.choose, "%2d" %i)
self.buts[i].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x6600, 0, 0))
bbox = win.box(False, all)
self.bb = bbox
self.w = win
self.r = red
self.g = green
self.br = brown
self.ver = 0
self.kp = []
def choose0(self, widget):
chooser = ObjectChooser(parent=self, what_filter=mime.GENERIC_TYPE_AUDIO)
result = chooser.run()
if result == gtk.RESPONSE_ACCEPT:
self.jobjects[0] = chooser.get_selected_object()
self.paths[0] = str(self.jobjects[0].get_file_path())
self.buts[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x8800, 0))
self.buts[0].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x8800, 0))
else:
self.paths[0] = "0"
self.jobjects[0] = None
self.buts[0].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x6600, 0, 0))
self.buts[0].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0x6600, 0, 0))
def choose(self, widget):
chooser = ObjectChooser(parent=self, what_filter=mime.GENERIC_TYPE_AUDIO)
result = chooser.run()
index = self.b3box.child_get_property(widget, "position")
if result == gtk.RESPONSE_ACCEPT:
self.jobjects[index] = chooser.get_selected_object()
self.paths[index] = str(self.jobjects[index].get_file_path())
self.buts[index].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x8800, 0))
self.buts[index].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x8800, 0))
else:
self.paths[index] = "0"
self.jobjects[index] = None
self.buts[index].modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0x6600, 0, 0))
self.buts[index].modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0x6600, 0, 0))
def send_data(self):
for i in range(26):
self.w.set_filechannel("file%d" % i, self.paths[i])
def onKeyPress(self, widget, event):
if self.p:
keyval = event.keyval
if keyval in self.kp:
return True
self.kp.append(keyval)
self.w.set_channel("ascii", keyval)
return True
def onKeyRelease(self, widget, event):
self.kp.remove(event.keyval)
self.w.set_channel("ascii", 0)
return True
def playcsd(self, widget):
if self.p == False:
self.p = True
self.w.play()
self.but.child.set_label("STOP !")
self.but.child.set_use_markup(True)
self.but.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0xFFFF, 0, 0))
self.but.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0xFFFF, 0, 0))
if self.ver > 1:
self.connect("key-press-event", self.onKeyPress)
self.connect("key-release-event", self.onKeyRelease)
else:
self.p = False
self.w.recompile()
self.w.channels_reinit()
self.send_data()
self.but.child.set_label("START !")
self.but.child.set_use_markup(True)
self.but.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x7700, 0))
self.but.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x7700, 0))
def version1(self, widget):
if self.ver != 0:
self.box1.destroy()
self.box2.destroy()
else:
self.b2box.destroy()
self.b3box.destroy()
self.ver = 1
self.box1 = self.w.box(True, self.bb)
self.w.text("", self.box1)
self.box2 = self.w.box(True, self.bb)
self.f = self.w.framebox(" 1 - Sampleplay ", False, self.box2, self.r)
self.b1 = self.w.box(True, self.f)
self.b2 = self.w.box(True, self.f)
self.b3 = self.w.box(True, self.f)
self.b4 = self.w.box(True, self.f)
self.b5 = self.w.box(True, self.f)
self.b6 = self.w.box(True, self.f)
self.w.reset()
self.w.csd("SamplePlay.csd")
self.w.spin(1, 1, 16, 1, 1, self.b1, 0, "Chan", "Channel #")
self.w.spin(2, 0, 2, 1, 1, self.b1, 0, "Backgnd", "Background Loop\n\
[0=none 1=note\n 2=controller]")
self.w.spin(10, 0, 30, 1, 1, self.b1, 0, "Bgmax", "Loop Lev [10=norm]")
self.w.spin(7, 0, 127, 1, 1, self.b2, 0, "Stctrl", "Loop Controller #")
self.w.spin(84, 0, 127, 1, 1, self.b2, 0, "Stnote", " Loop Note\n\
(start/stop)")
self.w.spin(5, 1, 30, 1, 1, self.b2, 0, "Stfade", "Start/Stop Secs")
self.w.spin(25, 0, 25, 1, 1, self.b3, 0, "Samps", "# of Samples")
self.w.spin(2, 0, 3, 1, 1, self.b3, 0, "Sampamp", "Sample Level Ctrl\n\
[0=none 1=rand\n2=note vel 3=ctrl]")
self.w.spin(10, 0, 30, 1, 1, self.b3, 0, "Sampmax", "Overall Samp Lev\n\
[10=norm]")
self.w.spin(21, 0, 127, 1, 1, self.b4, 0, "Smpctrl", "Samp Lev Ctrl #")
self.w.spin(60, 0, 103, 1, 1, self.b4, 0, "MIDI1", "1st MIDI Note #")
self.w.spin(1, 0, 2, 1, 1, self.b4, 0, "Replace", " Replace Samps?\n\
[0=overlap\n1=replace samp\n 2=sustain\n keypress]")
self.w.spin(0, 0, 3, 1, 1, self.b5, 0, "Smpfreq", "Samp Pitch Change\n\
[0=none 1=rand\n 2=note vel 3=ctrl]")
self.w.spin(22, 0, 127, 1, 1, self.b5, 0, "Frqctrl", "Pitch Controller #")
self.w.spin(1, 0, 3, 1, 1, self.b5, 0, "Panpos", " Pan Pos Control\n\
[0=none 1=rand\n2=note vel 3=ctrl]")
self.w.spin(23, 0, 127, 1, 1, self.b6, 0, "Panctrl", "Pan Position Ctrl #")
self.w.button(self.b6, "Filter", "Low-cut Filter?")
self.w.text("(for rumble/hum)", self.b6)
self.w.spin(400, 50, 2000, 10, 100, self.b6, 0, "Cutoff", "Filt Cut Freq (Hz)")
self.p = False
self.w.text("\nSelect options first ", self.b6, self.g)
self.send_data()
self.but = self.w.cbbutton(self.b6, self.playcsd, "START !")
self.but.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x7700, 0))
self.but.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x7700, 0))
def version2(self, widget):
if self.ver != 0:
self.box1.destroy()
self.box2.destroy()
else:
self.b2box.destroy()
self.b3box.destroy()
self.ver = 2
self.box1 = self.w.box(True, self.bb)
self.w.text("\t\t\t ", self.box1)
self.box2 = self.w.box(True, self.bb)
self.f = self.w.framebox(" 2 - SamplePlayASC ", False, self.box2, self.r)
self.b1 = self.w.box(True, self.f)
self.b2 = self.w.box(True, self.f)
self.b3 = self.w.box(True, self.f)
self.b4 = self.w.box(True, self.f)
self.w.reset()
self.w.csd("SamplePlayASC.csd")
self.w.text("", self.b1)
self.w.button(self.b1, "Backgnd", "Background Loop?")
self.w.text("(start/stop w/ ` key)", self.b1, self.g)
self.w.spin(10, 0, 30, 1, 1, self.b1, 0, "Bgmax", "Loop Lev [10=norm]")
self.w.spin(5, 1, 30, 1, 1, self.b1, 0, "Stfade", "Start/Stop Seconds")
self.w.spin(25, 0, 25, 1, 1, self.b2, 0, "Samps", "# of Samples")
self.w.spin(0, 0, 2, 1, 1, self.b2, 0, "Sampamp", "Sample Lev Ctrl\n\
[0=none 1=rand\n2=nums (0=10)]")
self.w.spin(10, 0, 30, 1, 1, self.b2, 0, "Sampmax", "Overall Samp Lev\n\
[10=norm]")
self.w.button(self.b3, "Replace", "Replace Samps?")
self.w.text("(0=overlap samps)", self.b3, self.g)
self.w.spin(0, 0, 2, 1, 1, self.b3, 0, "Smpfreq", "Samp Pitch Change\n\
[0=none 1=rand 2=\nSHFT nums (0=10)]")
self.w.spin(1, 0, 2, 1, 1, self.b3, 0, "Panpos", "Pan Position Control\n\
[0=none 1=rand\n 2=bottom keys]")
self.w.text("", self.b4)
self.w.button(self.b4, "Filter", "Low-cut Filter?")
self.w.text("(for rumble/hum)", self.b4)
self.w.spin(400, 50, 2000, 10, 100, self.b4, 0, "Cutoff", "Filt Cut Freq (Hz)")
self.p = False
self.w.text("\nSelect options first ", self.b4, self.g)
self.send_data()
self.but = self.w.cbbutton(self.b4, self.playcsd, "START !")
self.but.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color(0, 0x7700, 0))
self.but.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.Color(0, 0x7700, 0))