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|
/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#include <stdio.h>
#include <string.h>
#include "m_pd.h"
#include "shared.h"
#include "common/loud.h"
#include "hammer/file.h"
//#define MTR_DEBUG
enum { MTR_STEPMODE, MTR_RECMODE, MTR_PLAYMODE };
typedef struct _mtrack
{
t_pd tr_pd;
struct _mtr *tr_owner;
int tr_id;
int tr_listed;
int tr_mode;
int tr_muted;
int tr_restarted;
t_atom *tr_atdelta;
int tr_ixnext;
t_binbuf *tr_binbuf;
float tr_tempo;
double tr_clockdelay;
double tr_prevtime;
t_clock *tr_clock;
t_outlet *tr_trackout;
t_outlet *tr_mainout;
t_hammerfile *tr_filehandle;
} t_mtrack;
typedef void (*t_mtrackfn)(t_mtrack *tp);
typedef struct _mtr
{
t_object x_ob;
t_glist *x_glist;
int x_ntracks;
t_mtrack **x_tracks;
t_hammerfile *x_filehandle;
} t_mtr;
static t_class *mtrack_class;
static t_class *mtr_class;
static void mtrack_donext(t_mtrack *tp)
{
if (tp->tr_ixnext < 0)
goto endoftrack;
while (1)
{
int natoms = binbuf_getnatom(tp->tr_binbuf);
int ixmess = tp->tr_ixnext;
t_atom *atmess;
if (ixmess >= natoms)
goto endoftrack;
atmess = binbuf_getvec(tp->tr_binbuf) + ixmess;
while (atmess->a_type == A_SEMI)
{
if (++ixmess >= natoms)
goto endoftrack;
atmess++;
}
if (!tp->tr_atdelta && atmess->a_type == A_FLOAT)
{ /* delta atom */
float delta = atmess->a_w.w_float;
if (delta < 0.)
delta = 0.;
tp->tr_atdelta = atmess;
tp->tr_ixnext = ixmess + 1;
if (tp->tr_mode == MTR_PLAYMODE)
{
clock_delay(tp->tr_clock,
tp->tr_clockdelay = delta * tp->tr_tempo);
tp->tr_prevtime = clock_getlogicaltime();
}
else
{ /* CHECKME first step */
t_atom at[2];
SETFLOAT(&at[0], tp->tr_id);
SETFLOAT(&at[1], delta);
outlet_list(tp->tr_mainout, 0, 2, at);
}
return;
}
else
{ /* message beginning */
int wasrestarted = tp->tr_restarted; /* LATER rethink */
int ixnext = ixmess + 1;
t_atom *atnext = atmess + 1;
while (ixnext < natoms && atnext->a_type != A_SEMI)
ixnext++, atnext++;
tp->tr_restarted = 0;
if (!tp->tr_muted)
{
int ac = ixnext - ixmess;
if (ac > 1)
{
if (atmess->a_type == A_FLOAT)
outlet_list(tp->tr_trackout, &s_list, ac, atmess);
else if (atmess->a_type == A_SYMBOL)
outlet_anything(tp->tr_trackout,
atmess->a_w.w_symbol, ac-1, atmess+1);
}
else if (atmess->a_type == A_FLOAT)
outlet_float(tp->tr_trackout, atmess->a_w.w_float);
else if (atmess->a_type == A_SYMBOL)
outlet_symbol(tp->tr_trackout, atmess->a_w.w_symbol);
}
tp->tr_atdelta = 0;
tp->tr_ixnext = ixnext;
if (tp->tr_restarted)
return;
tp->tr_restarted = wasrestarted;
}
}
endoftrack:
tp->tr_atdelta = 0;
tp->tr_ixnext = -1;
tp->tr_prevtime = 0;
tp->tr_mode = MTR_STEPMODE;
}
static void mtrack_tick(t_mtrack *tp)
{
if (tp->tr_mode == MTR_PLAYMODE)
{
tp->tr_prevtime = 0;
mtrack_donext(tp);
}
}
static void mtrack_setmode(t_mtrack *tp, int newmode)
{
if (tp->tr_mode == MTR_PLAYMODE)
{
clock_unset(tp->tr_clock);
tp->tr_ixnext = -1;
}
switch (tp->tr_mode = newmode)
{
case MTR_STEPMODE:
break;
case MTR_RECMODE:
binbuf_clear(tp->tr_binbuf);
tp->tr_prevtime = clock_getlogicaltime();
break;
case MTR_PLAYMODE:
tp->tr_atdelta = 0;
tp->tr_ixnext = 0;
tp->tr_prevtime = 0;
mtrack_donext(tp);
break;
default:
bug("mtrack_setmode");
}
}
static void mtrack_doadd(t_mtrack *tp, int ac, t_atom *av)
{
if (tp->tr_prevtime > 0)
{
t_binbuf *bb = tp->tr_binbuf;
t_atom at;
float elapsed = clock_gettimesince(tp->tr_prevtime);
SETFLOAT(&at, elapsed);
binbuf_add(bb, 1, &at);
binbuf_add(bb, ac, av);
SETSEMI(&at);
binbuf_add(bb, 1, &at);
tp->tr_prevtime = clock_getlogicaltime();
}
}
static void mtrack_float(t_mtrack *tp, t_float f)
{
if (tp->tr_mode == MTR_RECMODE)
{
t_atom at;
SETFLOAT(&at, f);
mtrack_doadd(tp, 1, &at);
}
}
static void mtrack_symbol(t_mtrack *tp, t_symbol *s)
{
if (tp->tr_mode == MTR_RECMODE)
{
t_atom at;
SETSYMBOL(&at, s);
mtrack_doadd(tp, 1, &at);
}
}
static void mtrack_list(t_mtrack *tp, t_symbol *s, int ac, t_atom *av)
{
if (tp->tr_mode == MTR_RECMODE)
mtrack_doadd(tp, ac, av);
}
static void mtrack_record(t_mtrack *tp)
{
mtrack_setmode(tp, MTR_RECMODE);
}
static void mtrack_play(t_mtrack *tp)
{
mtrack_setmode(tp, MTR_PLAYMODE);
}
static void mtrack_stop(t_mtrack *tp)
{
mtrack_setmode(tp, MTR_STEPMODE);
}
static void mtrack_next(t_mtrack *tp)
{
if (tp->tr_mode == MTR_STEPMODE)
mtrack_donext(tp);
}
static void mtrack_rewind(t_mtrack *tp)
{
if (tp->tr_mode == MTR_STEPMODE)
{
tp->tr_atdelta = 0;
tp->tr_ixnext = 0;
}
}
/* CHECKME step mode */
static void mtrack_mute(t_mtrack *tp)
{
tp->tr_muted = 1;
}
/* CHECKME step mode */
static void mtrack_unmute(t_mtrack *tp)
{
tp->tr_muted = 0;
}
static void mtrack_clear(t_mtrack *tp)
{
binbuf_clear(tp->tr_binbuf);
}
static t_atom *mtrack_getdelay(t_mtrack *tp)
{
int natoms = binbuf_getnatom(tp->tr_binbuf);
if (natoms)
{
t_atom *ap = binbuf_getvec(tp->tr_binbuf);
while (natoms--)
{
if (ap->a_type == A_FLOAT)
return (ap);
ap++;
}
bug("mtrack_getdelay");
}
return (0);
}
static void mtrack_delay(t_mtrack *tp, t_floatarg f)
{
t_atom *ap = mtrack_getdelay(tp);
if (ap)
ap->a_w.w_float = f;
}
/* CHECKME */
static void mtrack_first(t_mtrack *tp, t_floatarg f)
{
mtrack_delay(tp, f);
}
static void mtr_doread(t_mtr *x, t_symbol *fn, int trackid);
static void mtr_dowrite(t_mtr *x, t_symbol *fn, int trackid);
static void mtrack_readhook(t_pd *z, t_symbol *fn, int ac, t_atom *av)
{
t_mtrack *tp = (t_mtrack *)z;
mtr_doread(tp->tr_owner, fn, tp->tr_id);
}
static void mtrack_writehook(t_pd *z, t_symbol *fn, int ac, t_atom *av)
{
t_mtrack *tp = (t_mtrack *)z;
mtr_dowrite(tp->tr_owner, fn, tp->tr_id);
}
static void mtrack_read(t_mtrack *tp, t_symbol *s)
{
if (s && s != &s_)
mtr_doread(tp->tr_owner, s, tp->tr_id);
else /* CHECKME default */
hammerpanel_open(tp->tr_filehandle);
}
static void mtrack_write(t_mtrack *tp, t_symbol *s)
{
if (s && s != &s_)
mtr_dowrite(tp->tr_owner, s, tp->tr_id);
else /* CHECKME default */
hammerpanel_save(tp->tr_filehandle,
canvas_getdir(tp->tr_owner->x_glist), 0);
}
static void mtrack_tempo(t_mtrack *tp, t_floatarg f)
{
float newtempo;
static int warned = 0;
if (!warned)
{
loud_incompatible(mtr_class, "no 'tempo' control in Max");
warned = 1;
}
if (f < 1e-20)
f = 1e-20;
else if (f > 1e20)
f = 1e20;
newtempo = 1. / f;
if (tp->tr_prevtime > 0)
{
tp->tr_clockdelay -= clock_gettimesince(tp->tr_prevtime);
tp->tr_clockdelay *= newtempo / tp->tr_tempo;
if (tp->tr_clockdelay < 0.)
tp->tr_clockdelay = 0.;
clock_delay(tp->tr_clock, tp->tr_clockdelay);
tp->tr_prevtime = clock_getlogicaltime();
}
tp->tr_tempo = newtempo;
}
/* CHECKME out-of-bounds and non-floats, which track goes first */
static void mtr_callem(t_mtr *x, t_mtrackfn fn, t_symbol *s, int ac, t_atom *av)
{
int ntracks = x->x_ntracks;
t_mtrack **tpp = x->x_tracks;
if (ac)
{
while (ntracks--) (*tpp++)->tr_listed = 0;
while (ac--)
{
if (av->a_type == A_FLOAT)
{
int id = (int)av->a_w.w_float;
if (id >= 0 && id < x->x_ntracks)
x->x_tracks[id]->tr_listed = 1;
}
av++;
}
ntracks = x->x_ntracks;
tpp = x->x_tracks;
while (ntracks--)
{
if ((*tpp)->tr_listed) fn(*tpp);
tpp++;
}
}
else while (ntracks--) fn(*tpp++);
}
static void mtr_record(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_record, s, ac, av);
}
static void mtr_play(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_play, s, ac, av);
}
static void mtr_stop(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_stop, s, ac, av);
}
static void mtr_next(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_next, s, ac, av);
}
static void mtr_rewind(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_rewind, s, ac, av);
}
static void mtr_mute(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_mute, s, ac, av);
}
static void mtr_unmute(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_unmute, s, ac, av);
}
static void mtr_clear(t_mtr *x, t_symbol *s, int ac, t_atom *av)
{
mtr_callem(x, mtrack_clear, s, ac, av);
}
static void mtr_delay(t_mtr *x, t_floatarg f)
{
int ntracks = x->x_ntracks;
t_mtrack **tpp = x->x_tracks;
while (ntracks--) mtrack_delay(*tpp++, f);
}
static void mtr_first(t_mtr *x, t_floatarg f)
{
int ntracks = x->x_ntracks;
t_mtrack **tpp = x->x_tracks;
float delta = SHARED_FLT_MAX;
if (f < 0.)
f = 0.;
while (ntracks--)
{
t_atom *ap = mtrack_getdelay(*tpp);
if (ap)
{
if (delta > ap->a_w.w_float)
delta = ap->a_w.w_float;
(*tpp)->tr_listed = 1;
}
else (*tpp)->tr_listed = 0;
tpp++;
}
ntracks = x->x_ntracks;
tpp = x->x_tracks;
delta -= f;
while (ntracks--)
{
if ((*tpp)->tr_listed)
{
t_atom *ap = mtrack_getdelay(*tpp);
if (ap)
ap->a_w.w_float -= delta;
}
tpp++;
}
}
static void mtr_doread(t_mtr *x, t_symbol *fn, int trackid)
{
char path[MAXPDSTRING];
if (x->x_glist)
canvas_makefilename(x->x_glist, fn->s_name, path, MAXPDSTRING);
else
{
strncpy(path, fn->s_name, MAXPDSTRING);
path[MAXPDSTRING-1] = 0;
}
post("mtr: reading %s", fn->s_name); /* CHECKME */
if (trackid > x->x_ntracks)
bug("mtr_doread");
else
{
FILE *fp;
char namebuf[MAXPDSTRING];
sys_bashfilename(fn->s_name, namebuf);
if (fp = fopen(namebuf, "r"))
{
/* FIXME */
fclose(fp);
}
else
{
/* CHECKME no complaint, open dialog presented */
hammerpanel_open(x->x_filehandle); /* LATER rethink */
}
}
}
static int mtr_writetrack(t_mtr *x, t_mtrack *tp)
{
/* CHECKME complaint and FIXME */
loud_error((t_pd *)x, "error writing text file");
return (0);
}
static void mtr_dowrite(t_mtr *x, t_symbol *fn, int trackid)
{
char path[MAXPDSTRING];
if (x->x_glist)
canvas_makefilename(x->x_glist, fn->s_name, path, MAXPDSTRING);
else
{
strncpy(path, fn->s_name, MAXPDSTRING);
path[MAXPDSTRING-1] = 0;
}
post("mtr: writing %s", fn->s_name); /* CHECKME */
if (trackid > x->x_ntracks)
bug("mtr_dowrite");
/* CHECKME empty sequence stored as an empty file */
else
{
FILE *fp;
char namebuf[MAXPDSTRING];
sys_bashfilename(fn->s_name, namebuf);
if (fp = fopen(namebuf, "w"))
{
int id;
t_mtrack **tpp;
if (trackid >= 0)
mtr_writetrack(x, x->x_tracks[trackid]);
else for (id = 0, tpp = x->x_tracks; id < x->x_ntracks; id++, tpp++)
if (!mtr_writetrack(x, *tpp))
break;
fclose(fp);
}
else
{
fprintf(stderr, "open: ");
sys_unixerror(fn->s_name);
}
}
}
static void mtr_readhook(t_pd *z, t_symbol *fn, int ac, t_atom *av)
{
mtr_doread((t_mtr *)z, fn, -1);
}
static void mtr_writehook(t_pd *z, t_symbol *fn, int ac, t_atom *av)
{
mtr_dowrite((t_mtr *)z, fn, -1);
}
static void mtr_read(t_mtr *x, t_symbol *s)
{
if (s && s != &s_)
mtr_doread(x, s, -1);
else /* CHECKME default */
hammerpanel_open(x->x_filehandle);
}
static void mtr_write(t_mtr *x, t_symbol *s)
{
if (s && s != &s_)
mtr_dowrite(x, s, -1);
else /* CHECKME default */
hammerpanel_save(x->x_filehandle, canvas_getdir(x->x_glist), 0);
}
static void mtr_tempo(t_mtr *x, t_floatarg f)
{
int ntracks = x->x_ntracks;
t_mtrack **tpp = x->x_tracks;
while (ntracks--) mtrack_tempo(*tpp++, f);
}
static void mtr_free(t_mtr *x)
{
if (x->x_tracks)
{
int ntracks = x->x_ntracks;
t_mtrack **tpp = x->x_tracks;
while (ntracks--)
{
t_mtrack *tp = *tpp++;
if (tp->tr_binbuf) binbuf_free(tp->tr_binbuf);
if (tp->tr_clock) clock_free(tp->tr_clock);
pd_free((t_pd *)tp);
}
freebytes(x->x_tracks, x->x_ntracks * sizeof(*x->x_tracks));
}
}
static void *mtr_new(t_floatarg f)
{
t_mtr *x = 0;
int ntracks = (int)f;
t_mtrack **tracks;
if (ntracks < 1)
ntracks = 1;
if (tracks = getbytes(ntracks * sizeof(*tracks)))
{
int i;
t_mtrack **tpp;
for (i = 0, tpp = tracks; i < ntracks; i++, tpp++)
{
if (!(*tpp = (t_mtrack *)pd_new(mtrack_class)) ||
!((*tpp)->tr_binbuf = binbuf_new()) ||
!((*tpp)->tr_clock = clock_new(*tpp, (t_method)mtrack_tick)))
{
if (*tpp) pd_free((t_pd *)*tpp);
if ((*tpp)->tr_binbuf) binbuf_free((*tpp)->tr_binbuf);
while (i--)
{
tpp--;
binbuf_free((*tpp)->tr_binbuf);
clock_free((*tpp)->tr_clock);
pd_free((t_pd *)*tpp);
}
return (0);
}
}
if (x = (t_mtr *)pd_new(mtr_class))
{
int id;
t_outlet *mainout = outlet_new((t_object *)x, &s_list);
x->x_glist = canvas_getcurrent();
x->x_filehandle = hammerfile_new((t_pd *)x, 0,
mtr_readhook, mtr_writehook, 0);
x->x_ntracks = ntracks;
x->x_tracks = tracks;
for (id = 0; id < ntracks; id++, tracks++) /* CHECKME 0-based */
{
t_mtrack *tp = *tracks;
inlet_new((t_object *)x, (t_pd *)tp, 0, 0);
tp->tr_trackout = outlet_new((t_object *)x, &s_);
tp->tr_mainout = mainout;
tp->tr_owner = x;
tp->tr_id = id;
tp->tr_listed = 0;
tp->tr_filehandle = /* LATER rethink */
hammerfile_new((t_pd *)tp, 0,
mtrack_readhook, mtrack_writehook, 0);
tp->tr_mode = MTR_STEPMODE;
tp->tr_muted = 0;
tp->tr_restarted = 0;
tp->tr_atdelta = 0;
tp->tr_ixnext = -1;
tp->tr_tempo = 1.;
tp->tr_clockdelay = 0;
tp->tr_prevtime = 0;
}
}
}
return (x);
}
void mtr_setup(void)
{
mtrack_class = class_new(gensym("_mtrack"), 0, 0,
sizeof(t_mtrack), CLASS_PD | CLASS_NOINLET, 0);
class_addfloat(mtrack_class, mtrack_float);
class_addsymbol(mtrack_class, mtrack_symbol);
class_addlist(mtrack_class, mtrack_list);
class_addmethod(mtrack_class, (t_method)mtrack_record,
gensym("record"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_play,
gensym("play"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_stop,
gensym("stop"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_next,
gensym("next"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_rewind,
gensym("rewind"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_mute,
gensym("mute"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_unmute,
gensym("unmute"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_clear,
gensym("clear"), 0);
class_addmethod(mtrack_class, (t_method)mtrack_delay,
gensym("delay"), A_FLOAT, 0);
class_addmethod(mtrack_class, (t_method)mtrack_first,
gensym("first"), A_FLOAT, 0);
class_addmethod(mtrack_class, (t_method)mtrack_read,
gensym("read"), A_DEFSYM, 0);
class_addmethod(mtrack_class, (t_method)mtrack_write,
gensym("write"), A_DEFSYM, 0);
class_addmethod(mtrack_class, (t_method)mtrack_tempo,
gensym("tempo"), A_FLOAT, 0);
mtr_class = class_new(gensym("mtr"),
(t_newmethod)mtr_new,
(t_method)mtr_free,
sizeof(t_mtr), 0,
A_DEFFLOAT, 0);
class_addmethod(mtr_class, (t_method)mtr_record,
gensym("record"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_play,
gensym("play"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_stop,
gensym("stop"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_next,
gensym("next"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_rewind,
gensym("rewind"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_mute,
gensym("mute"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_unmute,
gensym("unmute"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_clear,
gensym("clear"), A_GIMME, 0);
class_addmethod(mtr_class, (t_method)mtr_delay,
gensym("delay"), A_FLOAT, 0);
class_addmethod(mtr_class, (t_method)mtr_first,
gensym("first"), A_FLOAT, 0);
class_addmethod(mtr_class, (t_method)mtr_read,
gensym("read"), A_DEFSYM, 0);
class_addmethod(mtr_class, (t_method)mtr_write,
gensym("write"), A_DEFSYM, 0);
class_addmethod(mtr_class, (t_method)mtr_tempo,
gensym("tempo"), A_FLOAT, 0);
hammerfile_setup(mtr_class, 0);
}
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