	/*

    Copyright (C) 2000-2001 Stefan Westerfeld
                            stefan@space.twc.de
                       2001 Matthias Kretz
                            kretz@kde.org

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
  
    This library 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.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.

    */

/*
 * DISCLAIMER: The interfaces in artsmodules.idl (and the derived .cc/.h files)
 *             DO NOT GUARANTEE BINARY COMPATIBILITY YET.
 *
 * They are intended for developers. You shouldn't expect that applications in
 * binary form will be fully compatibile with further releases of these
 * interfaces.
 */

#include <artsflow.idl>
#include <artsmidi.idl>
#include <artsgui.idl>

module Arts {

// EXPERIMENTAL ENVIRONMENT CODE:

module Environment {
	interface Context {
		void addEntry(string name, object obj);
		string lookupEntry(object obj);
		void removeEntry(object obj);
	};

	interface Item;

	interface Container {
		attribute string dataDirectory;
		attribute Context context;
		readonly attribute sequence<Item> items;

		sequence<string> saveToList();
   		void loadFromList(sequence<string> strlist);

		void addItem(Item item);
		Item createItem(string name);
		void removeItem(Item item);
	};

	interface Item {
		/**
		 * true if item resides inside a container
		 */
		readonly attribute boolean active;

		/**
		 * the container the item lives in
		 */
		readonly attribute Container parent;

		/**
		 * called by the container to insert/remove item from/to the
		 * environment
		 */
		void setContainer(Container container);

		/**
		 * called by the container to save the item
		 */
		sequence<string> saveToList();

		/**
		 * called by the container to restore the item
		 */
   		void loadFromList(sequence<string> strlist);
	};

	interface InstrumentItem : Item {
		readonly attribute Arts::MidiPort port;
		attribute string filename;
		attribute string busname;
	};

	interface InstrumentItemGuiFactory : Arts::GuiFactory {
	};

	interface StereoEffectItem : Item {
		attribute Arts::SynthModule effect;
		attribute Arts::StereoEffectStack stack;
	};

	interface MixerChannel : Arts::StereoEffect {
		attribute string name;
	};

	interface MixerItem : Item {
		readonly attribute sequence<MixerChannel> channels;
		attribute long channelCount;
		attribute string name;
		attribute string type;
	};
};

interface Synth_STD_EQUALIZER;

interface SimpleMixerChannel : Environment::MixerChannel {
	readonly attribute Synth_STD_EQUALIZER equalizerLeft, equalizerRight;
	readonly attribute StereoEffectStack insertEffects;
	attribute float gainLeft, gainRight;
	attribute float pan;
	attribute float volumeLeft, volumeRight;
};

interface MonoSimpleMixerChannel : Environment::MixerChannel {
	readonly attribute Synth_STD_EQUALIZER equalizer;
	readonly attribute StereoEffectStack insertEffects;
	attribute float gain;
	attribute float pan;
	attribute float volume;
};

interface Synth_AUX_BUS : SynthModule {
	attribute float level;
	attribute long channel;
	in audio stream invalue;
};

interface MonoComplexMixerChannel : Environment::MixerChannel {
	readonly attribute Synth_STD_EQUALIZER equalizer;
	readonly attribute StereoEffectStack insertEffects;
	readonly attribute sequence<Synth_AUX_BUS> aux;
	attribute float gain, volume, pan;
	attribute boolean mute, pfl;
};

// creates: Environment::MixerItem, SimpleMixerChannel
interface MixerGuiFactory : GuiFactory {
};

// creates: MonoSimpleMixerChannel
interface MonoSimpleMixerChannelGuiFactory : GuiFactory {
};

// creates: SimpleMixerChannel
interface SimpleMixerChannelGuiFactory : GuiFactory {
};

interface MixerItemGui {
	/*writeonly*/ attribute boolean active;
	/*writeonly*/ attribute long channelCount;
	/*writeonly*/ attribute string type;

	// builds a MixerItemGui for a specific MixerItem (call this exactly once)
	Widget initialize(Environment::MixerItem item);
};

// EXPERIMENTAL MIDI
interface ObjectCache {
	void put(object obj, string name);
	object get(string name);
};

interface MidiReleaseHelper : SynthModule {
	attribute SynthModule voice;
	attribute string name;
	attribute ObjectCache cache;

	boolean terminate();
	in audio stream done;
};
// END EXPERIMENTAL MIDI

/**
 * this interface currently has probably a problem - usually, if you are
 * using such a module, you would expect that you can specify the filename
 * with it - BUT, if you allow this, then any instrument definition file
 * (.arts) and similar might overwrite every file the user can access, which
 * might not be what you want, so I currently save it to a file in
 * /tmp/mcop-<username>/<filename>.wav (which might be unlucky since the user
 * might not have too much space there)
 */

interface Synth_CAPTURE_WAV : SynthModule {
	attribute string filename;
	default in audio stream left, right;
};

interface Synth_COMPRESSOR : SynthModule {
	attribute float attack, release, threshold, ratio, output;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_NIL : SynthModule {
};

interface Synth_DEBUG : SynthModule {
	attribute string comment;
	in audio stream invalue;
};

interface Synth_DATA : SynthModule {
	attribute float value;
	out audio stream outvalue;
};

interface Synth_ATAN_SATURATE : SynthModule {
	attribute float inscale;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_BRICKWALL_LIMITER : SynthModule {
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_AUTOPANNER : SynthModule {
	in audio stream invalue, inlfo;
	out audio stream outvalue1, outvalue2;
};

interface Synth_DELAY : SynthModule {
	attribute float maxdelay;
	in audio stream invalue, time;
	out audio stream outvalue;
};

interface Synth_CDELAY : SynthModule {
	attribute float time;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_FM_SOURCE : SynthModule {
	in audio stream frequency, modulator, modlevel;
	out audio stream pos;
};

interface Synth_TREMOLO : SynthModule {
	in audio stream invalue, inlfo;
	out audio stream outvalue;
};

interface Synth_FX_CFLANGER : SynthModule {
	attribute float mintime, maxtime;
	in audio stream invalue, lfo;
	out audio stream outvalue;
};

interface Synth_NOISE : SynthModule {
	out audio stream outvalue;
};

interface Synth_WAVE_TRI : SynthModule {
	in audio stream pos;
	out audio stream outvalue;
};

interface Synth_WAVE_SQUARE : SynthModule {
	in audio stream pos;
	out audio stream outvalue;
};

interface Synth_WAVE_PULSE : SynthModule {
	attribute float dutycycle;
	in audio stream pos;
	out audio stream outvalue;
};

interface Synth_WAVE_SOFTSAW : SynthModule {
	in audio stream pos;
	out audio stream outvalue;
};

interface Synth_ENVELOPE_ADSR : SynthModule {
	in audio stream active,invalue,attack,decay,sustain,release;
	out audio stream outvalue,done;
};

interface Synth_SHELVE_CUTOFF : SynthModule {
	in audio stream invalue,frequency;
	out audio stream outvalue;
};

interface Synth_XFADE : SynthModule {
	in audio stream invalue1,invalue2,percentage;
	out audio stream outvalue;
};

interface Synth_MIDI_TEST : SynthModule, MidiPort {
	attribute string filename;
	attribute string busname;
};

interface Synth_MIDI_DEBUG : SynthModule, MidiPort {
};

interface Synth_FREEVERB : StereoEffect {
	attribute float roomsize, damp, wet, dry, width, mode;
};

interface FreeverbGuiFactory : GuiFactory {
};

interface Synth_STD_EQUALIZER : SynthModule {
	attribute float low, mid, high, frequency, q;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_RC : SynthModule {
	attribute float b, f;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_MOOG_VCF : SynthModule {
	attribute float frequency, resonance;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_PSCALE : SynthModule {
	attribute float top;
	in audio stream invalue, pos;
	out audio stream outvalue;
};

interface Synth_SEQUENCE : SynthModule {
	attribute float speed;
	attribute string seq;
	out audio stream frequency, pos;
};

interface Synth_PITCH_SHIFT : SynthModule {
	attribute float speed, frequency;
	in audio stream invalue;
	out audio stream outvalue;
};

interface Synth_STEREO_PITCH_SHIFT : StereoEffect {
	attribute float speed, frequency;
};

interface Effect_WAVECAPTURE : StereoEffect {
	attribute string filename;
};

interface Synth_STEREO_FIR_EQUALIZER : StereoEffect {
	attribute sequence<GraphPoint> frequencies;
	attribute long taps;
};

interface StereoFirEqualizerGuiFactory : GuiFactory {
};

interface Synth_PLAY_PAT : SynthModule {
	attribute string filename;
	in audio stream frequency;
	out audio stream outvalue;
};

/*----------------------------------------------------------------------------
 * everything below this line is obsolete, but provided to help with porting
 * old structures
 */
interface Interface_MIDI_NOTE : SynthModule {
	out audio stream frequency,velocity,pressed;
};

interface Synth_STRUCT_KILL : SynthModule {
	in audio stream ready;
};

};
