Add FS #10214. Initial commit of the original PDa code for the GSoC Pure Data plugin project of Wincent Balin. Stripped some non-sourcefiles and added a rockbox readme that needs a bit more info from Wincent. Is added to CATEGORIES and viewers, but not yet to SUBDIRS (ie doesn't build yet)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21044 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 480 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/intern/sfwrite~.c b/apps/plugins/pdbox/PDa/intern/sfwrite~.c
new file mode 100644
index 0000000000..dd3bfc4a09
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/intern/sfwrite~.c
@@ -0,0 +1,480 @@
+
+#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>
+
+#include <m_pd.h>
+#include <m_fixed.h>
+#include "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);
+}
+
+#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>
+
+#include <m_pd.h>
+#include <m_fixed.h>
+#include "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);
+}