/example/ipy_dx/dsound/playsound.py

# -*- coding: utf-8 -*-

"""

Description: DirectSound ¼½©ñ wave 



Author: Chui-Wen Chiu <sisimi.pchome@gmail.com>

License: PYTHON SOFTWARE FOUNDATION LICENSE

"""



__author__ = "Chui-Wen Chiu"

__author_email__ = "cwchiu@hotmail.com"



import clr

# WinForm ¥²­n°Ñ¦Ò

clr.AddReference("System")

clr.AddReference("System.Drawing")

clr.AddReference("System.Windows.Forms")



# DirectX °Ñ¦Ò

clr.AddReferenceByName("Microsoft.DirectX, Version=1.0.2902.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" )

clr.AddReferenceByName("Microsoft.DirectX.DirectSound, Version=1.0.2902.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" )



from System import *

from System.IO import *

from System.Windows.Forms import *

from System.Drawing import *

from Microsoft.DirectX import *

from Microsoft.DirectX.DirectSound import *



class MyForm(Form):

    def __init__(self):

        self.PathSoundFile = ''

        self.ApplicationBuffer = None

        self.ApplicationDevice = None



        self.InitializeComponent()



    def _Form1_Load(self, sender, e):

        try:

            self.ApplicationDevice = Device()

            self.ApplicationDevice.SetCooperativeLevel(self, CooperativeLevel.Priority)

        except:

            MessageBox.Show("Unable to create sound device. Sample will now exit.")

            self.Close()



    def Dispose(self, disposing):              

        super(type(self), self).Dispose(disposing)    



    def InitializeComponent(self):

        self.btnSoundfile = Button();

        self.lblFilename = Label();

        self.cbLoopCheck = CheckBox();

        self.btnPlay = Button();

        self.btnStop = Button();

        self.btnCancel = Button();



        self.SuspendLayout()



        # 

        # btnSoundfile

        # 

        self.btnSoundfile.Location = Point(10, 11);

        self.btnSoundfile.Name = "btnSoundfile";

        self.btnSoundfile.Size = Size(69, 21);

        self.btnSoundfile.TabIndex = 0;

        self.btnSoundfile.Text = "Sound &file...";

        self.btnSoundfile.Click += self.btnSoundfile_Click

        # 

        # lblFilename

        # 

        self.lblFilename.BorderStyle = BorderStyle.Fixed3D;

        self.lblFilename.Location = Point(94, 11);

        self.lblFilename.Name = "lblFilename";

        self.lblFilename.Size = Size(345, 21);

        self.lblFilename.TabIndex = 1;

        self.lblFilename.Text = "No file loaded.";

        self.lblFilename.TextAlign = ContentAlignment.MiddleLeft;

        # 

        # cbLoopCheck

        # 

        self.cbLoopCheck.Enabled = False;

        self.cbLoopCheck.Location = Point(9, 44);

        self.cbLoopCheck.Name = "cbLoopCheck";

        self.cbLoopCheck.Size = Size(87, 16);

        self.cbLoopCheck.TabIndex = 2;

        self.cbLoopCheck.Text = "&Loop sound";

        # 

        # btnPlay

        # 

        self.btnPlay.Enabled = False;

        self.btnPlay.Location = Point(104, 48);

        self.btnPlay.Name = "btnPlay";

        self.btnPlay.TabIndex = 3;

        self.btnPlay.Text = "&Play";

        self.btnPlay.Click += self.btnPlay_Click

        # 

        # btnStop

        # 

        self.btnStop.Enabled = False;

        self.btnStop.Location = Point(176, 48);

        self.btnStop.Name = "btnStop";

        self.btnStop.TabIndex = 4;

        self.btnStop.Text = "&Stop";

        self.btnStop.Click += self.btnStop_Click

        # 

        # btnCancel

        # 

        self.btnCancel.Location = Point(364, 48);

        self.btnCancel.Name = "btnCancel";

        self.btnCancel.TabIndex = 5;

        self.btnCancel.Text = "E&xit";

        self.btnCancel.Click += self.btnCancel_Click



        # Form

        self.AcceptButton = self.btnSoundfile;

        self.ClientSize = Size(470, 77)

        self.Controls.AddRange( Array[Control] ([ self.btnSoundfile, self.lblFilename, self.cbLoopCheck, self.btnPlay, self.btnStop, self.btnCancel ]) );



        self.Name = 'MainForm'

        self.Text = 'PlaySound'

        self.Load += self._Form1_Load



        self.ResumeLayout(False)



    def btnSoundfile_Click(self, sender, e):

        ofd = OpenFileDialog()

        ofd.InitialDirectory = self.PathSoundFile

        ofd.Filter=  "Wave files(*.wav)|*.wav"



        # Stop the sound if it's already playing before you open the the dialog

        if (not self.ApplicationBuffer is None):

            self.ApplicationBuffer.Stop()



        if( DialogResult.Cancel == ofd.ShowDialog() ):

            return

           

        if(self.LoadSoundFile(ofd.FileName)):

            self.PathSoundFile = Path.GetDirectoryName(ofd.FileName)

            self.lblFilename.Text = Path.GetFileName(ofd.FileName)

            self.EnablePlayUI(True)

        else:

            self.lblFilename.Text = "Could not create sound buffer."

            self.EnablePlayUI(False);



    def LoadSoundFile(self, name):

        try:

            print name

            self.ApplicationBuffer = SecondaryBuffer(name, self.ApplicationDevice)

        except:

            return False;



        return True;



    def EnablePlayUI(self, enable):

        if (enable):

            self.cbLoopCheck.Enabled = True

            self.btnPlay.Enabled = True

            self.btnStop.Enabled = True

        else:

            self.cbLoopCheck.Enabled = False

            self.btnPlay.Enabled = False

            self.btnStop.Enabled = False



    def btnStop_Click(self, sender, e):

        if not None is self.ApplicationBuffer:

            self.ApplicationBuffer.Stop()



    def btnPlay_Click(self, sender, e):

        if not None is self.ApplicationBuffer:

            self.ApplicationBuffer.Play(0, BufferPlayFlags.Looping if self.cbLoopCheck.Checked else BufferPlayFlags.Default)



    def btnCancel_Click(self, sender, e):

        self.Close()



if __name__ == '__main__':

    Application.EnableVisualStyles()

    Application.SetCompatibleTextRenderingDefault(False)

    frm = MyForm()

    Application.Run(frm)