Playing Sound of Symbian Study Notes 20

Hey, I tried playing the sound program again today and finally succeeded.

Player. h
# Ifndef
Player_h _
# Define player_h _

# Include
<Mdaaudiosampleplayer. h>
# Include
<MDA/common/audio. h>
# Include
<MMF/common/mmfutilities. h>
# Include <e32base. h>

Class
Cfirstfuckcontainer;
Class cplayer: Public daaudioplayercallback, public
Cbase
{
Enum tmystate
{
Einitialising,

Eplaying,
Eprepared
};

Public:

Void createplayerl (const tdesc & afilename );
Void
Playsound ();
Void stopsound ();
Void pausesound ();

~ Cplayer ();

Void mapcinitcomplete (tint aerror, const
Ttimeintervalmicroseconds & aduration );
Void mapcplaycomplete (tint
Aerror );
Void setcontainer (ccoecontrol * acontainer );

Cplayer ();


PRIVATE:
Cmdaaudioplayerutility *
IPlayer;
Tmystate istate;
Cfirstfuckcontainer * icontainer;

};

# Endif/* player_h _*/

Player. cpp

# Include
<Coecntrl. h>
# Include <eiklabel. h>
# Include
<Aknutils. h>
# Include "Player. H"
# Include
"Firstfuckcontainer. H"

Cplayer: cplayer ()
{

}

Cplayer ::~ Cplayer ()
{
If (iPlayer)
{

Delete iPlayer;
IPlayer = NULL;
}

}
Void cplayer: setcontainer (ccoecontrol * acontainer)
{

Icontainer = static_cast <cfirstfuckcontainer *> (acontainer );

}

Void cplayer: createplayerl (const tdesc & afilename)

{
Tfilename filename (afilename );
User: leaveiferror (
Completewithapppath (filename ));
IPlayer =
Cmdaaudioplayerutility: newfileplayerl (filename, * This );
Istate =
Einitialising;
}

Void cplayer: pausesound ()
{
If
(Istate = eplaying)
{
If (iPlayer-> pause () =
Kerrnone)
{
Istate = eprepared;

Ceiklabel * label =
Static_cast <ceiklabel *> (icontainer-> componentcontrol (0); // This label is only used to display prompts.

Label-> settextl (_ L ("player is paused "));

Label-> setextenttowholescreen ();

Label-> drawdeferred ();
}
}
}

Void
Cplayer: playsound ()
{
If (istate = eprepared)

{
IPlayer-> setvolume (iPlayer-> maxvolume ());

IPlayer-> play ();
Istate = eplaying;
Ceiklabel
* Ilabel;
Ilabel = static_cast <ceiklabel *> (
Icontainer-> componentcontrol (0 ));
Ilabel-> settextl (_ L ("player
Is playing "));
Ilabel-> setextenttowholescreen ();

Ilabel-> drawdeferred ();
}
}

Void
Cplayer: stopsound ()
{
If (istate = eplaying)
{

IPlayer-> stop ();
Istate = eprepared;
Ceiklabel *
Label =
Static_cast <ceiklabel *> (icontainer-> componentcontrol (0 ));

Label-> settextl (_ L ("player is stoped "));

Label-> setextenttowholescreen ();
Label-> drawdeferred ();


}
}

Void cplayer: mapcinitcomplete (tint aerror,
Const ttimeintervalmicroseconds & aduration)
{// Load the sound file here
If (aerror =
Kerrnone)
{
Istate = eprepared;

Ceiklabel * label =
Static_cast <ceiklabel *> (icontainer-> componentcontrol (0 ));

Label-> settextl (_ L ("player is ready "));

Label-> setextenttowholescreen ();

Label-> drawdeferred ();
// Playsound ();

}
}

Void cplayer: mapcplaycomplete (tint aerror)
{

If (aerror = kerrnone)
{
Istate = eprepared;

Ceiklabel * label =
Static_cast <ceiklabel *> (icontainer-> componentcontrol (0 ));

Label-> settextl (_ L ("player is finished "));

Label-> setextenttowholescreen ();

Label-> drawdeferred ();
}
}