/*
	BASSMIDI 2.4 Java class
	Copyright (c) 2006-2018 Un4seen Developments Ltd.

	See the BASSMIDI.CHM file for more detailed documentation
*/

package com.un4seen.bass;

import java.util.Arrays;
import java.util.List;

import com.sun.jna.Callback;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.Structure;

import anywheresoftware.b4a.BA;

//import com.un4seen.bass.BASS.Asset;

public class BASSMIDI
{
	// Additional error codes returned by BASS_ErrorGetCode
	public static final int BASS_ERROR_MIDI_INCLUDE=7000;

	// Additional BASS_SetConfig options
	public static final int BASS_CONFIG_MIDI_COMPACT=0x10400;
	public static final int BASS_CONFIG_MIDI_VOICES=0x10401;
	public static final int BASS_CONFIG_MIDI_AUTOFONT=0x10402;

	// Additional BASS_SetConfigPtr options
	public static final int BASS_CONFIG_MIDI_DEFFONT=0x10403;

	// Additional sync types
	public static final int BASS_SYNC_MIDI_MARK=0x10000;
	public static final int BASS_SYNC_MIDI_EVENT=0x10004;
	public static final int BASS_SYNC_MIDI_TICK=0x10005;

	// Additional BASS_MIDI_StreamCreateFile/etc flags
	public static final int BASS_MIDI_NOSYSRESET=0x800;
	public static final int BASS_MIDI_DECAYEND=0x1000;
	public static final int BASS_MIDI_NOFX=0x2000;
	public static final int BASS_MIDI_DECAYSEEK=0x4000;
	public static final int BASS_MIDI_NOCROP=0x8000;
	public static final int BASS_MIDI_NOTEOFF1=0x10000;
	public static final int BASS_MIDI_SINCINTER=0x800000;

	// BASS_MIDI_FontInit flags
	public static final int BASS_MIDI_FONT_MMAP=0x20000;
	public static final int BASS_MIDI_FONT_XGDRUMS=0x40000;
	public static final int BASS_MIDI_FONT_NOFX=0x80000;
	public static final int BASS_MIDI_FONT_LINATTMOD=0x100000;

	@BA.ShortName("BASS_MIDI_FONT")
//	@Structure.FieldOrder({"font","preset","bank"})
	public static class BASS_MIDI_FONT extends Structure {
		public int font;		// soundfont
		public int preset;		// preset number (-1=all)
		public int bank;
		
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"font","preset","bank"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}

	@BA.ShortName("BASS_MIDI_FONTEX")
//	@Structure.FieldOrder({"font","spreset","sbank","dpreset","dbank","dbanklsb"})
	public static class BASS_MIDI_FONTEX extends Structure{
		public int font;		// soundfont
		public int spreset;		// source preset number
		public int sbank;		// source bank number
		public int dpreset;		// destination preset/program number
		public int dbank;		// destination bank number
		public int dbanklsb;	// destination bank number LSB
		
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"font","spreset","sbank","dpreset","dbank","dbanklsb"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}

	// BASS_MIDI_StreamSet/GetFonts flag
	public static final int BASS_MIDI_FONT_EX=0x1000000; // BASS_MIDI_FONTEX (auto-detected)

	@BA.ShortName("BASS_MIDI_FONTINFO")
//	@Structure.FieldOrder({"name","copyright","comment","presets","samsize","samload","samtype"})
	public static class BASS_MIDI_FONTINFO extends Structure{
		public String name;
		public String copyright;
		public String comment;
		public int presets;		// number of presets/instruments
		public int samsize;		// total size (in bytes) of the sample data
		public int samload;		// amount of sample data currently loaded
		public int samtype;		// sample format (CTYPE) if packed
		
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"name","copyright","comment","presets","samsize","samload","samtype"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}

	@BA.ShortName("BASS_MIDI_MARK")
//	@Structure.FieldOrder({"track","pos","text"})
	public static class BASS_MIDI_MARK extends Structure{
		public int track;		// track containing marker
		public int pos;			// marker position
		public String text;		// marker text
		
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"track","pos","text"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}

	@BA.ShortName("BASS_MIDI_MARKB")
//	@Structure.FieldOrder({"track","pos","text"})
	public static class BASS_MIDI_MARKB extends Structure{
		public int track;		// track containing marker
		public int pos;			// marker position
		public byte[] text;		// marker text
		
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"track","pos","text"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}


	// Marker types
	public static final int BASS_MIDI_MARK_MARKER=0;	// marker
	public static final int BASS_MIDI_MARK_CUE=1;		// cue point
	public static final int BASS_MIDI_MARK_LYRIC=2;		// lyric
	public static final int BASS_MIDI_MARK_TEXT=3;		// text
	public static final int BASS_MIDI_MARK_TIMESIG=4;	// time signature
	public static final int BASS_MIDI_MARK_KEYSIG=5;	// key signature
	public static final int BASS_MIDI_MARK_COPY=6;		// copyright notice
	public static final int BASS_MIDI_MARK_TRACK=7;		// track name
	public static final int BASS_MIDI_MARK_INST=8;		// instrument name
	public static final int BASS_MIDI_MARK_TRACKSTART=9; // track start (SMF2)
	public static final int BASS_MIDI_MARK_TICK=0x10000; // flag: get position in ticks (otherwise bytes)

	// MIDI events
	public static final int MIDI_EVENT_NOTE=1;
	public static final int MIDI_EVENT_PROGRAM=2;
	public static final int MIDI_EVENT_CHANPRES=3;
	public static final int MIDI_EVENT_PITCH=4;
	public static final int MIDI_EVENT_PITCHRANGE=5;
	public static final int MIDI_EVENT_DRUMS=6;
	public static final int MIDI_EVENT_FINETUNE=7;
	public static final int MIDI_EVENT_COARSETUNE=8;
	public static final int MIDI_EVENT_MASTERVOL=9;
	public static final int MIDI_EVENT_BANK=10;
	public static final int MIDI_EVENT_MODULATION=11;
	public static final int MIDI_EVENT_VOLUME=12;
	public static final int MIDI_EVENT_PAN=13;
	public static final int MIDI_EVENT_EXPRESSION=14;
	public static final int MIDI_EVENT_SUSTAIN=15;
	public static final int MIDI_EVENT_SOUNDOFF=16;
	public static final int MIDI_EVENT_RESET=17;
	public static final int MIDI_EVENT_NOTESOFF=18;
	public static final int MIDI_EVENT_PORTAMENTO=19;
	public static final int MIDI_EVENT_PORTATIME=20;
	public static final int MIDI_EVENT_PORTANOTE=21;
	public static final int MIDI_EVENT_MODE=22;
	public static final int MIDI_EVENT_REVERB=23;
	public static final int MIDI_EVENT_CHORUS=24;
	public static final int MIDI_EVENT_CUTOFF=25;
	public static final int MIDI_EVENT_RESONANCE=26;
	public static final int MIDI_EVENT_RELEASE=27;
	public static final int MIDI_EVENT_ATTACK=28;
	public static final int MIDI_EVENT_DECAY=29;
	public static final int MIDI_EVENT_REVERB_MACRO=30;
	public static final int MIDI_EVENT_CHORUS_MACRO=31;
	public static final int MIDI_EVENT_REVERB_TIME=32;
	public static final int MIDI_EVENT_REVERB_DELAY=33;
	public static final int MIDI_EVENT_REVERB_LOCUTOFF=34;
	public static final int MIDI_EVENT_REVERB_HICUTOFF=35;
	public static final int MIDI_EVENT_REVERB_LEVEL=36;
	public static final int MIDI_EVENT_CHORUS_DELAY=37;
	public static final int MIDI_EVENT_CHORUS_DEPTH=38;
	public static final int MIDI_EVENT_CHORUS_RATE=39;
	public static final int MIDI_EVENT_CHORUS_FEEDBACK=40;
	public static final int MIDI_EVENT_CHORUS_LEVEL=41;
	public static final int MIDI_EVENT_CHORUS_REVERB=42;
	public static final int MIDI_EVENT_USERFX=43;
	public static final int MIDI_EVENT_USERFX_LEVEL=44;
	public static final int MIDI_EVENT_USERFX_REVERB=45;
	public static final int MIDI_EVENT_USERFX_CHORUS=46;
	public static final int MIDI_EVENT_DRUM_FINETUNE=50;
	public static final int MIDI_EVENT_DRUM_COARSETUNE=51;
	public static final int MIDI_EVENT_DRUM_PAN=52;
	public static final int MIDI_EVENT_DRUM_REVERB=53;
	public static final int MIDI_EVENT_DRUM_CHORUS=54;
	public static final int MIDI_EVENT_DRUM_CUTOFF=55;
	public static final int MIDI_EVENT_DRUM_RESONANCE=56;
	public static final int MIDI_EVENT_DRUM_LEVEL=57;
	public static final int MIDI_EVENT_DRUM_USERFX=58;
	public static final int MIDI_EVENT_SOFT=60;
	public static final int MIDI_EVENT_SYSTEM=61;
	public static final int MIDI_EVENT_TEMPO=62;
	public static final int MIDI_EVENT_SCALETUNING=63;
	public static final int MIDI_EVENT_CONTROL=64;
	public static final int MIDI_EVENT_CHANPRES_VIBRATO=65;
	public static final int MIDI_EVENT_CHANPRES_PITCH=66;
	public static final int MIDI_EVENT_CHANPRES_FILTER=67;
	public static final int MIDI_EVENT_CHANPRES_VOLUME=68;
	public static final int MIDI_EVENT_MOD_VIBRATO=69;
	public static final int MIDI_EVENT_MODRANGE=69;
	public static final int MIDI_EVENT_BANK_LSB=70;
	public static final int MIDI_EVENT_KEYPRES=71;
	public static final int MIDI_EVENT_KEYPRES_VIBRATO=72;
	public static final int MIDI_EVENT_KEYPRES_PITCH=73;
	public static final int MIDI_EVENT_KEYPRES_FILTER=74;
	public static final int MIDI_EVENT_KEYPRES_VOLUME=75;
	public static final int MIDI_EVENT_SOSTENUTO=76;
	public static final int MIDI_EVENT_MOD_PITCH=77;
	public static final int MIDI_EVENT_MOD_FILTER=78;
	public static final int MIDI_EVENT_MOD_VOLUME=79;
	public static final int MIDI_EVENT_MIXLEVEL=0x10000;
	public static final int MIDI_EVENT_TRANSPOSE=0x10001;
	public static final int MIDI_EVENT_SYSTEMEX=0x10002;
	public static final int MIDI_EVENT_SPEED=0x10004;

	public static final int MIDI_EVENT_END=0;
	public static final int MIDI_EVENT_END_TRACK=0x10003;

	public static final int MIDI_EVENT_NOTES=0x20000;
	public static final int MIDI_EVENT_VOICES=0x20001;

	public static final int MIDI_SYSTEM_DEFAULT=0;
	public static final int MIDI_SYSTEM_GM1=1;
	public static final int MIDI_SYSTEM_GM2=2;
	public static final int MIDI_SYSTEM_XG=3;
	public static final int MIDI_SYSTEM_GS=4;

	@BA.ShortName("BASS_MIDI_EVENT")
//	@Structure.FieldOrder({"event","param","chan","tick","pos"})
	public static class BASS_MIDI_EVENT extends Structure{
		public int event;		// MIDI_EVENT_xxx
		public int param;
		public int chan;
		public int tick;		// event position (ticks)
		public int pos;			// event position (bytes)
		
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"event","param","chan","tick","pos"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}

	// BASS_MIDI_StreamEvents modes
	public static final int BASS_MIDI_EVENTS_STRUCT=0; // BASS_MIDI_EVENT structures
	public static final int BASS_MIDI_EVENTS_RAW=0x10000; // raw MIDI event data
	public static final int BASS_MIDI_EVENTS_SYNC=0x1000000; // flag: trigger event syncs
	public static final int BASS_MIDI_EVENTS_NORSTATUS=0x2000000; // flag: no running status
	public static final int BASS_MIDI_EVENTS_CANCEL=0x4000000; // flag: cancel pending events
	public static final int BASS_MIDI_EVENTS_TIME=0x8000000; // flag: delta-time info is present
	public static final int BASS_MIDI_EVENTS_ABSTIME=0x10000000; // flag: absolute time info is present

	// BASS_MIDI_StreamGetChannel special channels
	public static final int BASS_MIDI_CHAN_CHORUS=-1;
	public static final int BASS_MIDI_CHAN_REVERB=-2;
	public static final int BASS_MIDI_CHAN_USERFX=-3;

	// BASS_CHANNELINFO type
	public static final int BASS_CTYPE_STREAM_MIDI=0x10d00;

	// Additional attributes
	public static final int BASS_ATTRIB_MIDI_PPQN=0x12000;
	public static final int BASS_ATTRIB_MIDI_CPU=0x12001;
	public static final int BASS_ATTRIB_MIDI_CHANS=0x12002;
	public static final int BASS_ATTRIB_MIDI_VOICES=0x12003;
	public static final int BASS_ATTRIB_MIDI_VOICES_ACTIVE=0x12004;
	public static final int BASS_ATTRIB_MIDI_STATE=0x12005;
	public static final int BASS_ATTRIB_MIDI_SRC=0x12006;
	public static final int BASS_ATTRIB_MIDI_KILL=0x12007;
	public static final int BASS_ATTRIB_MIDI_TRACK_VOL=0x12100; // + track #

	// Additional tag type
	public static final int BASS_TAG_MIDI_TRACK=0x11000;	// + track #, track text : array of null-terminated ANSI strings

	// BASS_ChannelGetLength/GetPosition/SetPosition mode
	public static final int BASS_POS_MIDI_TICK=2;		// tick position

	public interface MIDIFILTERPROC extends Callback
	{
		boolean MIDIFILTERPROC(int handle, int track, BASS_MIDI_EVENT event, boolean seeking, Pointer user);
		/* Event filtering callback function.
		handle : MIDI stream handle
		track  : Track containing the event
		event  : The event
		seeking: true = the event is being processed while seeking, false = it is being played
		user   : The 'user' parameter value given when calling BASS_MIDI_StreamSetFilter
		RETURN : true = process the event, false = drop the event */
	}

	@BA.ShortName("BASS_MIDI_DEVICEINFO")
//	@Structure.FieldOrder({"name","id","flags"})
	public static class BASS_MIDI_DEVICEINFO extends Structure{
		public String name;	// description
		public int id;
		public int flags;
		@Override
		protected List<String> getFieldOrder() {
			return Arrays.asList(
					"name","id","flags"
					);
		}
		
		@BA.Hide public void autoWrite(){}
		@BA.Hide public void autoRead(){}
	}

	public static native int BASS_MIDI_StreamCreate(int channels, int flags, int freq);
	public static native int BASS_MIDI_StreamCreateFile(String file, long offset, long length, int flags, int freq);
	public static native int BASS_MIDI_StreamCreateURL(String url, int offset, int flags, BASS.DOWNLOADPROC proc, Pointer user, int freq);
	public static native int BASS_MIDI_StreamCreateFileUser(int system, int flags, BASS.BASS_FILEPROCS procs, Pointer user, int freq);
	public static native int BASS_MIDI_StreamCreateEvents(BASS_MIDI_EVENT[] events, int ppqn, int flags, int freq);
	public static native boolean BASS_MIDI_StreamGetMark(int handle, int type, int index, BASS_MIDI_MARK mark);
	public static native boolean BASS_MIDI_StreamGetMark(int handle, int type, int index, BASS_MIDI_MARKB mark);
	public static native int BASS_MIDI_StreamGetMarks(int handle, int track, int type, BASS_MIDI_MARK[] marks);
	public static native int BASS_MIDI_StreamGetMarks(int handle, int track, int type, BASS_MIDI_MARKB[] marks);
	public static native boolean BASS_MIDI_StreamSetFonts(int handle, BASS_MIDI_FONT[] fonts, int count);
	public static native boolean BASS_MIDI_StreamSetFonts(int handle, BASS_MIDI_FONTEX[] fonts, int count);
	public static native int BASS_MIDI_StreamGetFonts(int handle, BASS_MIDI_FONT[] fonts, int count);
	public static native int BASS_MIDI_StreamGetFonts(int handle, BASS_MIDI_FONTEX[] fonts, int count);
	public static native boolean BASS_MIDI_StreamLoadSamples(int handle);
	public static native boolean BASS_MIDI_StreamEvent(int handle, int chan, int event, int param);
	public static native int BASS_MIDI_StreamEvents(int handle, int mode, BASS_MIDI_EVENT[] events, int length);
	public static native int BASS_MIDI_StreamEvents(int handle, int mode, Pointer events, int length);
	public static native int BASS_MIDI_StreamGetEvent(int handle, int chan, int event);
	public static native int BASS_MIDI_StreamGetEvents(int handle, int track, int filter, BASS_MIDI_EVENT[] events);
	public static native int BASS_MIDI_StreamGetEventsEx(int handle, int track, int filter, BASS_MIDI_EVENT[] events, int start, int count);
	public static native boolean BASS_MIDI_StreamGetPreset(int handle, int chan, BASS_MIDI_FONT font);
	public static native int BASS_MIDI_StreamGetChannel(int handle, int chan);
	public static native boolean BASS_MIDI_StreamSetFilter(int handle, boolean seeking, MIDIFILTERPROC proc, Pointer user);

	public static native int BASS_MIDI_FontInit(String file, int flags);
	public static native int BASS_MIDI_FontInitUser(BASS.BASS_FILEPROCS procs, Pointer user, int flags);
	public static native boolean BASS_MIDI_FontFree(int handle);
	public static native boolean BASS_MIDI_FontGetInfo(int handle, BASS_MIDI_FONTINFO info);
	public static native boolean BASS_MIDI_FontGetPresets(int handle, int[] presets);
	public static native String BASS_MIDI_FontGetPreset(int handle, int preset, int bank);
	public static native boolean BASS_MIDI_FontLoad(int handle, int preset, int bank);
	public static native boolean BASS_MIDI_FontUnload(int handle, int preset, int bank);
	public static native boolean BASS_MIDI_FontCompact(int handle);
	public static native boolean BASS_MIDI_FontUnpack(int handle, String outfile, int flags);
	public static native boolean BASS_MIDI_FontSetVolume(int handle, float volume);
	public static native float BASS_MIDI_FontGetVolume(int handle);

	public static native int BASS_MIDI_ConvertEvents(Pointer data, int length, BASS_MIDI_EVENT[] events, int count, int flags);
	
	static {
		String path = BassLibrary.ExtractLibraryFromJar(BassLibrary.lib_bassmidi);
		if (path!=null && path.length()>0) Native.register(BASSMIDI.class, path);	}
	
}