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#ifdef ROCKBOX
#include "plugin.h"
#include "../../pdbox.h"
#else /* ROCKBOX */
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#endif /* ROCKBOX */
#include "../src/m_pd.h"
#include "../src/m_fixed.h"
#include "../src/g_canvas.h"
#define BLOCKTIME 10
#define MAX_CHANS 4
#include "sformat.h"
static t_class *sfwrite_class;
typedef struct _sfwrite
{
t_object x_obj;
t_symbol* filename;
int x_file;
t_int rec;
t_int x_channels;
uint32 size;
t_glist * x_glist;
t_int x_blocked;
t_int x_blockwarn;
} t_sfwrite;
static void sfwrite_wave_setup(t_sfwrite* x,t_wave* w)
{
strncpy(w->w_fileid,"RIFF",4); /* chunk id 'RIFF' */
w->w_chunksize = x->size + sizeof(t_wave) -8; /* chunk size */
strncpy(w->w_waveid,"WAVE",4); /* wave chunk id 'WAVE' */
strncpy(w->w_fmtid,"fmt ",4); /* format chunk id 'fmt '*/
w->w_fmtchunksize = 16; /* format chunk size */
w->w_fmttag = 1; /* format tag, 1 for PCM */
w->w_nchannels = x->x_channels; /* number of channels */
w->w_samplespersec = 44100; /* sample rate in hz */
w->w_navgbytespersec = 44100*x->x_channels*2; /* average bytes per second */
w->w_nblockalign = 4; /* number of bytes per sample */
w->w_nbitspersample = 16; /* number of bits in a sample */
strncpy(w->w_datachunkid,"data",4); /* data chunk id 'data'*/
w->w_datachunksize = x->size; /* length of data chunk */
}
static void sfwrite_close(t_sfwrite *x)
{
if (x->x_file > 0) {
t_wave w;
sfwrite_wave_setup(x,&w);
lseek(x->x_file,0,SEEK_SET);
write(x->x_file,&w,sizeof(w));
close(x->x_file);
}
x->x_file = -1;
}
static void sfwrite_open(t_sfwrite *x,t_symbol *filename)
{
char fname[MAXPDSTRING];
if (filename == &s_) {
post("sfwrite: open without filename");
return;
}
canvas_makefilename(glist_getcanvas(x->x_glist), filename->s_name,
fname, MAXPDSTRING);
x->x_blocked = 0;
x->filename = filename;
post("sfwrite: filename = %s",x->filename->s_name);
sfwrite_close(x);
if ((x->x_file = open(fname,O_RDWR | O_CREAT,0664)) < 0)
{
error("can't create %s",fname);
return;
}
/* skip the header */
lseek(x->x_file,sizeof(t_wave),SEEK_SET);
x->size = 0;
}
static void sfwrite_block(t_sfwrite *x, t_floatarg f)
{
x->x_blockwarn = f;
}
static void sfwrite_float(t_sfwrite *x, t_floatarg f)
{
int t = f;
if (t) {
post("sfwrite: start", f);
x->rec=1;
}
else {
post("sfwrite: stop", f);
x->rec=0;
}
}
static short out[4*64];
static t_int *sfwrite_perform(t_int *w)
{
t_sfwrite* x = (t_sfwrite*)(w[1]);
t_sample * in[4];
int c = x->x_channels;
int i,num,n;
short* tout = out;
int ret;
int timebefore,timeafter;
double late;
for (i=0;i < c;i++) {
in[i] = (t_sample *)(w[2+i]);
}
n = num = (int)(w[2+c]);
/* loop */
if (x->rec && x->x_file) {
while (n--) {
for (i=0;i<c;i++) {
*tout++ = (*(in[i])++)>>(fix1-16);
}
}
timebefore = sys_getrealtime();
if ((ret =write(x->x_file,out,sizeof(short)*num*c)) < (signed int)sizeof(short)*num*c) {
post("sfwrite: short write %d",ret);
}
timeafter = sys_getrealtime();
late = timeafter - timebefore;
#if 0
/* OK, we let only 10 ms block here */
if (late > BLOCKTIME && x->x_blockwarn) {
post("sfwrite blocked %f ms",late*1000);
x->x_blocked++;
if (x->x_blocked > x->x_blockwarn) {
x->rec = 0;
post("maximum blockcount %d reached, recording stopped (set blockcount with \"block <num>\"",x->x_blockwarn);
}
}
#endif
x->size +=64*x->x_channels*sizeof(short) ;
}
return (w+3+c);
}
static void sfwrite_dsp(t_sfwrite *x, t_signal **sp)
{
switch (x->x_channels) {
case 1:
dsp_add(sfwrite_perform, 3, x, sp[0]->s_vec,
sp[0]->s_n);
break;
case 2:
dsp_add(sfwrite_perform, 4, x, sp[0]->s_vec,
sp[1]->s_vec, sp[0]->s_n);
break;
case 4:
dsp_add(sfwrite_perform, 6, x, sp[0]->s_vec,
sp[1]->s_vec,
sp[2]->s_vec,
sp[3]->s_vec,
sp[0]->s_n);
break;
}
}
static void sfwrite_free(t_sfwrite* x)
{
sfwrite_close(x);
}
static void *sfwrite_new(t_floatarg chan)
{
t_sfwrite *x = (t_sfwrite *)pd_new(sfwrite_class);
t_int c = chan;
if (c<1 || c > MAX_CHANS) c = 1;
x->x_glist = (t_glist*) canvas_getcurrent();
x->x_channels = c--;
x->x_file=0;
x->rec = 0;
x->size = 0;
x->x_blocked = 0;
x->x_blockwarn = 10;
while (c--) {
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
}
return (x);
}
void sfwrite_tilde_setup(void)
{
sfwrite_class = class_new(gensym("sfwrite~"), (t_newmethod)sfwrite_new, (t_method)sfwrite_free,
sizeof(t_sfwrite), 0,A_DEFFLOAT,0);
class_addmethod(sfwrite_class,nullfn,gensym("signal"), 0);
class_addmethod(sfwrite_class, (t_method) sfwrite_dsp, gensym("dsp"), 0);
class_addmethod(sfwrite_class, (t_method) sfwrite_open, gensym("open"), A_SYMBOL,A_NULL);
class_addmethod(sfwrite_class, (t_method) sfwrite_close, gensym("close"), 0);
class_addmethod(sfwrite_class, (t_method)sfwrite_block,gensym("block"),A_DEFFLOAT,0);
class_addfloat(sfwrite_class, sfwrite_float);
}
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