Initial commit

doomclassic/timidity/instrum.h

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+/*
+
+TiMidity -- Experimental MIDI to WAVE converter
+Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+instrum.h
+
+*/
+
+typedef struct {
+	 int32_t 
+		loop_start, loop_end, data_length,
+		sample_rate, low_freq, high_freq, root_freq;
+	 int32_t 
+		envelope_rate[6], envelope_offset[6];
+	float
+		volume;
+	sample_t *data;
+	 int32_t  
+		tremolo_sweep_increment, tremolo_phase_increment, 
+		vibrato_sweep_increment, vibrato_control_ratio;
+	uint8_t
+		tremolo_depth, vibrato_depth,
+		modes;
+	int8_t
+		panning, note_to_use;
+} Sample;
+
+/* Bits in modes: */
+#define MODES_16BIT	(1<<0)
+#define MODES_UNSIGNED	(1<<1)
+#define MODES_LOOPING	(1<<2)
+#define MODES_PINGPONG	(1<<3)
+#define MODES_REVERSE	(1<<4)
+#define MODES_SUSTAIN	(1<<5)
+#define MODES_ENVELOPE	(1<<6)
+
+typedef struct {
+	int samples;
+	Sample *sample;
+} Instrument;
+
+typedef struct {
+	char *name;
+	Instrument *instrument;
+	int note, amp, pan, strip_loop, strip_envelope, strip_tail;
+} ToneBankElement;
+
+/* A hack to delay instrument loading until after reading the
+entire MIDI file. */
+#define MAGIC_LOAD_INSTRUMENT ((Instrument *)(-1))
+
+typedef struct {
+	ToneBankElement tone[128];
+} ToneBank;
+
+extern ToneBank *tonebank[], *drumset[];
+
+extern Instrument *default_instrument;
+extern int default_program;
+extern int antialiasing_allowed;
+extern int fast_decay;
+extern int free_instruments_afterwards;
+
+#define SPECIAL_PROGRAM -1
+
+extern int load_missing_instruments(void);
+extern void free_instruments(void);
+extern int set_default_instrument(char *name);
+