mirror of
https://github.com/ZDoom/raze-gles.git
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258 lines
6.7 KiB
C
258 lines
6.7 KiB
C
#ifndef LIBXMP_PLAYER_H
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#define LIBXMP_PLAYER_H
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#include "lfo.h"
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/* Quirk control */
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#define HAS_QUIRK(x) (m->quirk & (x))
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/* Channel flag control */
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#define SET(f) SET_FLAG(xc->flags,(f))
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#define RESET(f) RESET_FLAG(xc->flags,(f))
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#define TEST(f) TEST_FLAG(xc->flags,(f))
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/* Persistent effect flag control */
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#define SET_PER(f) SET_FLAG(xc->per_flags,(f))
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#define RESET_PER(f) RESET_FLAG(xc->per_flags,(f))
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#define TEST_PER(f) TEST_FLAG(xc->per_flags,(f))
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/* Note flag control */
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#define SET_NOTE(f) SET_FLAG(xc->note_flags,(f))
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#define RESET_NOTE(f) RESET_FLAG(xc->note_flags,(f))
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#define TEST_NOTE(f) TEST_FLAG(xc->note_flags,(f))
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struct retrig_control {
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int s;
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int m;
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int d;
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};
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/* The following macros are used to set the flags for each channel */
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#define VOL_SLIDE (1 << 0)
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#define PAN_SLIDE (1 << 1)
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#define TONEPORTA (1 << 2)
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#define PITCHBEND (1 << 3)
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#define VIBRATO (1 << 4)
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#define TREMOLO (1 << 5)
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#define FINE_VOLS (1 << 6)
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#define FINE_BEND (1 << 7)
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#define OFFSET (1 << 8)
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#define TRK_VSLIDE (1 << 9)
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#define TRK_FVSLIDE (1 << 10)
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#define NEW_INS (1 << 11)
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#define NEW_VOL (1 << 12)
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#define VOL_SLIDE_2 (1 << 13)
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#define NOTE_SLIDE (1 << 14)
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#define FINE_NSLIDE (1 << 15)
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#define NEW_NOTE (1 << 16)
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#define FINE_TPORTA (1 << 17)
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#define RETRIG (1 << 18)
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#define PANBRELLO (1 << 19)
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#define GVOL_SLIDE (1 << 20)
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#define TEMPO_SLIDE (1 << 21)
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#define VENV_PAUSE (1 << 22)
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#define PENV_PAUSE (1 << 23)
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#define FENV_PAUSE (1 << 24)
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#define FINE_VOLS_2 (1 << 25)
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#define KEY_OFF (1 << 26) /* for IT release on envloop end */
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#define TREMOR (1 << 27) /* for XM tremor */
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#define NOTE_FADEOUT (1 << 0)
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#define NOTE_RELEASE (1 << 1)
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#define NOTE_END (1 << 2)
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#define NOTE_CUT (1 << 3)
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#define NOTE_ENV_END (1 << 4)
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#define NOTE_SAMPLE_END (1 << 5)
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#define NOTE_SET (1 << 6) /* for IT portamento after keyoff */
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#define NOTE_SUSEXIT (1 << 7) /* for delayed note release */
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#define NOTE_KEY_CUT (1 << 8) /* note cut with XMP_KEY_CUT event */
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#define NOTE_GLISSANDO (1 << 9)
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#define IS_VALID_INSTRUMENT(x) ((uint32)(x) < mod->ins && mod->xxi[(x)].nsm > 0)
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#define IS_VALID_INSTRUMENT_OR_SFX(x) (((uint32)(x) < mod->ins && mod->xxi[(x)].nsm > 0) || (smix->ins > 0 && (uint32)(x) < mod->ins + smix->ins))
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struct instrument_vibrato {
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int phase;
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int sweep;
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};
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struct channel_data {
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int flags; /* Channel flags */
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int per_flags; /* Persistent effect channel flags */
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int note_flags; /* Note release, fadeout or end */
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int note; /* Note number */
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int key; /* Key number */
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double period; /* Amiga or linear period */
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double per_adj; /* MED period/pitch adjustment factor hack */
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int finetune; /* Guess what */
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int ins; /* Instrument number */
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int old_ins; /* Last instruemnt */
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int smp; /* Sample number */
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int mastervol; /* Master vol -- for IT track vol effect */
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int delay; /* Note delay in frames */
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int keyoff; /* Key off counter */
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int fadeout; /* Current fadeout (release) value */
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int ins_fade; /* Instrument fadeout value */
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int volume; /* Current volume */
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int gvl; /* Global volume for instrument for IT */
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int rvv; /* Random volume variation */
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int rpv; /* Random pan variation */
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uint8 split; /* Split channel */
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uint8 pair; /* Split channel pair */
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int v_idx; /* Volume envelope index */
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int p_idx; /* Pan envelope index */
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int f_idx; /* Freq envelope index */
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int key_porta; /* Key number for portamento target
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* -- needed to handle IT portamento xpo */
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struct {
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struct lfo lfo;
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int memory;
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} vibrato;
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struct {
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struct lfo lfo;
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int memory;
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} tremolo;
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#ifndef LIBXMP_CORE_DISABLE_IT
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struct {
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struct lfo lfo;
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int memory;
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} panbrello;
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#endif
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struct {
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int8 val[16]; /* 16 for Smaksak MegaArps */
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int size;
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int count;
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int memory;
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} arpeggio;
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struct {
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struct lfo lfo;
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int sweep;
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} insvib;
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struct {
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int val;
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int val2; /* For fx9 bug emulation */
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int memory;
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} offset;
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struct {
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int val; /* Retrig value */
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int count; /* Retrig counter */
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int type; /* Retrig type */
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} retrig;
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struct {
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uint8 up,down; /* Tremor value */
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uint8 count; /* Tremor counter */
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uint8 memory; /* Tremor memory */
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} tremor;
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struct {
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int slide; /* Volume slide value */
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int fslide; /* Fine volume slide value */
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int slide2; /* Volume slide value */
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int memory; /* Volume slide effect memory */
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#ifndef LIBXMP_CORE_DISABLE_IT
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int fslide2;
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int memory2; /* Volume slide effect memory */
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#endif
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} vol;
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struct {
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int up_memory; /* Fine volume slide up memory (XM) */
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int down_memory;/* Fine volume slide up memory (XM) */
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} fine_vol;
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struct {
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int slide; /* Global volume slide value */
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int fslide; /* Fine global volume slide value */
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int memory; /* Global volume memory is saved per channel */
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} gvol;
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struct {
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int slide; /* Track volume slide value */
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int fslide; /* Track fine volume slide value */
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int memory; /* Track volume slide effect memory */
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} trackvol;
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struct {
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int slide; /* Frequency slide value */
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double fslide; /* Fine frequency slide value */
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int memory; /* Portamento effect memory */
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} freq;
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struct {
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double target; /* Target period for tone portamento */
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int dir; /* Tone portamento up/down directionh */
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int slide; /* Delta for tone portamento */
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int memory; /* Tone portamento effect memory */
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} porta;
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struct {
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int up_memory; /* FT2 has separate memories for these */
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int down_memory;/* cases (see Porta-LinkMem.xm) */
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} fine_porta;
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struct {
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int val; /* Current pan value */
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int slide; /* Pan slide value */
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int fslide; /* Pan fine slide value */
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int memory; /* Pan slide effect memory */
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int surround; /* Surround channel flag */
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} pan;
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struct {
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int speed;
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int count;
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int pos;
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} invloop;
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#ifndef LIBXMP_CORE_DISABLE_IT
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struct {
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int slide; /* IT tempo slide */
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} tempo;
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struct {
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int cutoff; /* IT filter cutoff frequency */
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int resonance; /* IT filter resonance */
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int envelope; /* IT filter envelope */
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} filter;
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#endif
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#ifndef LIBXMP_CORE_PLAYER
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struct {
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int slide; /* PTM note slide amount */
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int fslide; /* OKT fine note slide amount */
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int speed; /* PTM note slide speed */
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int count; /* PTM note slide counter */
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} noteslide;
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void *extra;
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#endif
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struct xmp_event delayed_event;
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int delayed_ins; /* IT save instrument emulation */
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int info_period; /* Period */
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int info_pitchbend; /* Linear pitchbend */
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int info_position; /* Position before mixing */
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int info_finalvol; /* Final volume including envelopes */
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int info_finalpan; /* Final pan including envelopes */
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};
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void libxmp_process_fx (struct context_data *, struct channel_data *,
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int, struct xmp_event *, int);
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void libxmp_filter_setup (int, int, int, int*, int*, int *);
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int libxmp_read_event (struct context_data *, struct xmp_event *, int);
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#endif /* LIBXMP_PLAYER_H */
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