aboutsummaryrefslogtreecommitdiff
path: root/streamout13~.c
blob: 2dc572592e1db1b6eb255bcca3884a0a24bcde31 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
#include "m_pd.h"
#include "stream13.h"

#include <sys/types.h>
#include <string.h>
#ifdef _WIN32
#include <winsock.h>
#else
#include <sys/errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define SOCKET_ERROR -1
#endif

#ifdef __APPLE__
#include <unistd.h>
#endif

/* these pragmas are only used for MSVC, not MinGW or Cygwin <hans@at.or.at> */
#ifdef _MSC_VER
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif


/* Utility functions */

static void sys_sockerror(char *s)
{
#ifdef _WIN32
    int err = WSAGetLastError();
    if (err == 10054) return;
#else
    int err = errno;
#endif
    post("%s: %s (%d)\n", s, strerror(err), err);
}



static void sys_closesocket(int fd)
{
#ifdef _WIN32
    closesocket(fd);
#else
    close(fd);
#endif
}


/* ------------------------ streamout13~ ----------------------------- */

/*
#define A1 (4 * (3.14159265/2))
#define A3 (64 * (2.5 - 3.14159265))
#define A5 (1024 * ((3.14159265/2) - 1.5))
*/

static t_class *streamout13_class;

typedef struct _streamout13
{
     t_object x_obj;
     int x_fd;
     int x_protocol;
     int x_format;
     int x_realformat;
     t_symbol* hostname;
     int portno;
     int x_n;
     short* cbuf;
     int nsamples;
     int blockspersend;
     int blockssincesend;
     int newblockspersend;
} t_streamout13;


static void streamout13_connect(t_streamout13 *x, t_symbol *hostname,
    t_floatarg fportno)
{
    struct sockaddr_in server;
    struct hostent *hp;
    int sockfd;
    int portno = fportno;
    x->hostname = hostname;
    x->portno = (int) fportno;

    if (x->x_fd >= 0)
    {
    	error("streamout13_connect: already connected - reconnecting");
        sys_closesocket(x->x_fd);
        x->x_fd = -1;
        outlet_float(x->x_obj.ob_outlet, 0);
    }

    	/* create a socket */
    sockfd = socket(AF_INET, x->x_protocol, 0);
    if (sockfd < 0)
    {
	 post("streamout13: Connection to %s on port %d failed",hostname->s_name,portno); 
	 sys_sockerror("socket");
	 return;
    }
    /* connect socket using hostname provided in command line */
    server.sin_family = AF_INET;
    hp = gethostbyname(hostname->s_name);
    if (hp == 0)
    {
	post("bad host?\n");
	return;
    }
    memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);

    /* assign client port number */
    server.sin_port = htons((u_short)portno);

	/* try to connect.  LATER make a separate thread to do this
	because it might block */
    if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0)
    {
    	sys_sockerror("connecting stream socket");
    	sys_closesocket(sockfd);
    	return;
    }

    post("connected host %s on port %d",hostname->s_name, portno);
    x->x_fd = sockfd;
    outlet_float(x->x_obj.ob_outlet, 1);
}

static void streamout13_disconnect(t_streamout13 *x)
{
    if (x->x_fd >= 0)
    {
    	sys_closesocket(x->x_fd);
    	x->x_fd = -1;
    	outlet_float(x->x_obj.ob_outlet, 0);
    }
}

static void streamout13_tempbuf(t_streamout13 *x,int size) {
     int fullsize = size *  x->x_n;
     if (!x->cbuf)                                          
          x->cbuf = getbytes(fullsize*sizeof(t_float)*x->blockspersend+4);
     else                                        
          x->cbuf = resizebytes(x->cbuf,x->nsamples*sizeof(short),fullsize*sizeof(t_float)*x->blockspersend+4);
     x->nsamples = size;                                                              
     x->blockssincesend=0;
}

static t_int *streamout13_perform(t_int *w)
{
  t_streamout13* x = (t_streamout13*) (w[1]);
  int n = (int)(w[2]);
  int i,j,res = 0;
  int offset = 3;
  int sent = 0;
  int length ;
  char* buf = (char *)(w[2]); 
  short* cibuf;
  char* bp;
#ifndef _WIN32
  t_float *in[x->x_n];
#else
  t_float** in = (t_float**) malloc(x->x_n * sizeof(t_float*));
#endif

   for (i=0;i < x->x_n;i++) {
      in[i] = (t_float *)(w[offset+i]);
    }


   if (x->x_fd > 0){

     if (n != x->nsamples)
        streamout13_tempbuf(x,n);

  
     /* format the buffer */
/*     
     cibuf = x->cbuf + x->blockssincesend * n * x->x_n + 2; 
     while (n--){
        for (j=0;j<x->x_n;j++){
            *cibuf++ = (short) 32767.0 * *(in[j]++);
        }
     }
*/

    switch (x->x_format) {
    case SF_FLOAT:{
         t_float* fbuf = (t_float*) x->cbuf + x->blockssincesend * n * x->x_n + 1; 
         while (n--){ 
            for (j=0;j<x->x_n;j++){
                *fbuf++ = *(in[j]++);
            }      
         }         
         break;
    }
    case SF_16BIT: {
         short* sbuf =(short*) x->cbuf + x->blockssincesend * n * x->x_n + 2; /*2 extra bytes for format & grain */
         while (n--){
            for (j=0;j<x->x_n;j++){
                *sbuf++ = (short) 32767.0 * *(in[j]++);
            }
         }
         break;
    }
    case SF_8BIT: {
//         signed char*  cbuf = (signed char*) ibuf;
         signed char*  cbuf = (signed char*) x->cbuf + x->blockssincesend * n * x->x_n + 4; 
         while (n--) 
              for (j=0;j<x->x_n;j++){
                  *cbuf++ = (127.0 * *in[j]++);
              }
         }
         break;
    default:
         break;
    }

     if (!(x->blockssincesend < x->blockspersend - 1)){


        x->blockssincesend=0;
        if (x->x_realformat !=x->x_format){
           x->x_realformat = x->x_format;
           x->blockspersend = (int) (x->blockspersend * 4 / SF_SIZEOF(x->x_format)) ;
           x->nsamples=0;
//           post ("formatchange:%d",x->x_format);
        }
        if (x->blockspersend != (int) (x->newblockspersend * 4 / SF_SIZEOF(x->x_realformat)) ){
          x->blockspersend = (int) (x->newblockspersend * 4 / SF_SIZEOF(x->x_realformat) ) ;
          x->nsamples=0;
//          post ("grainchange:%d",x->blockspersend);
        }                                         
        cibuf=x->cbuf;
        *cibuf=(short)x->x_realformat;
//        *x->cbuf=(short)x->x_realformat;
        cibuf=x->cbuf + 1;
        *cibuf=x->blockspersend;
//        post ("out:cibuf:%d",*cibuf);


         /* send the buffer */
 
        length = x->nsamples *  x->x_n * x->blockspersend *  SF_SIZEOF(x->x_realformat) + 4; 
//        outlet_float(x->x_out2,length);
//        post ("out - length:%d",length);

        for (bp = buf, sent = 0; sent < length;) {
                      res = send(x->x_fd, (char*) x->cbuf, length - sent , 0);
           if (res <= 0)
           {
               sys_sockerror("streamout13~-error");
               streamout13_disconnect(x);
               break;
           } 
           else           
           {
               sent += res;
               bp += res;
           }          
        }
     }else{
        x->blockssincesend++;
     }  
  }
 // post ("b-s-s:%d, length:%d, last:%d, prev:%d",x->blockssincesend,length,*cibuf,prev);
#ifdef _WIN32
  free(in);
#endif
  return (w + 2 + i * 2);
}

static void streamout13_dsp(t_streamout13 *x, t_signal **sp)
{
/*
    dsp_add(streamout13_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
*/
  int i;
  t_int** myvec = getbytes(sizeof(t_int)*(x->x_n + 3));
   
  myvec[0] = (t_int*)x;
  myvec[1] = (t_int*)sp[0]->s_n;
  for (i=0;i < x->x_n/*+1*/;i++)
    myvec[2 + i] = (t_int*)sp[i]->s_vec;
  dsp_addv(streamout13_perform, x->x_n + 3, (t_int*)myvec);
  freebytes(myvec,sizeof(t_int)*(x->x_n + 3));
}

static void streamout13_grain(t_streamout13 *x,t_floatarg grain)
{
    if ((grain > 0) && (grain < 24)){
      x->newblockspersend=(int) grain;
      post ("streamout13~:grainsize set to %d blocks",(int) grain);
    }

}

static void streamout13_format(t_streamout13 *x,t_symbol* form) 
{
    if (!strncmp(form->s_name,"float",5))
      x->x_format = (int) SF_FLOAT;

    if (!strncmp(form->s_name,"16bit",5))
      x->x_format = (int) SF_16BIT;

    if (!strncmp(form->s_name,"8bit",4))
      x->x_format = (int) SF_8BIT;


    post ("streamout13~:format set to %s", form->s_name); 
}

static void streamout13_host(t_streamout13 *x,t_symbol* host) 
{
     if (host != &s_){
  	x->hostname = host;
     	if (x->x_fd >= 0) {
    	 	  streamout13_disconnect(x);
		  streamout13_connect(x,x->hostname,(float) x->portno); 
     	}
    }
}


static void streamout13_float(t_streamout13* x,t_float arg)
{

     if (arg == 0.0)
	  streamout13_disconnect(x);
     else
	  streamout13_connect(x,x->hostname,(float) x->portno);
}


static void *streamout13_new(t_symbol* hostname,t_floatarg portno,t_floatarg xn)
{
    int i;
    t_streamout13 *x = (t_streamout13 *)pd_new(streamout13_class);
    outlet_new(&x->x_obj, &s_float);
//    x->x_out2 = outlet_new(&x->x_obj, &s_float);
    if (hostname == &s_)
	 x->hostname = gensym("localhost");
    else 
	 x->hostname = hostname;

    if (portno == 0.0) 
	 x->portno = 3000;
    else
	 x->portno = portno;
    if (xn < 1)
         x->x_n = 1;
    else
         x->x_n = xn;

    for (i = 0 ;i < x->x_n - 1;i++){
        inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
/*        post("creating ~input nr:%d",i);*/

    }

    x->x_fd = -1;
    x->x_protocol = SOCK_DGRAM;
    x->x_format = SF_16BIT;
    x->x_realformat = SF_16BIT;
    x->cbuf = NULL;
    x->blockspersend=16;
    x->newblockspersend=8;
    x->blockssincesend=0;
    streamout13_tempbuf(x,64);
    return (x);
}

void streamout13_setup(void)
{
    streamout13_class = class_new(gensym("streamout13~"), (t_newmethod) streamout13_new, 0,
    	sizeof(t_streamout13), 0, A_DEFSYM, A_DEFFLOAT,A_DEFFLOAT, 0);
    
    class_addmethod(streamout13_class, (t_method) streamout13_connect,gensym("connect"), A_SYMBOL, A_DEFFLOAT, 0);
    class_addmethod(streamout13_class, (t_method) streamout13_disconnect, gensym("disconnect"), 0);
    class_addfloat(streamout13_class,streamout13_float);
    class_addmethod(streamout13_class, nullfn, gensym("signal"), 0);
    class_addmethod(streamout13_class, (t_method)streamout13_format,gensym("format"),A_SYMBOL,0);
    class_addmethod(streamout13_class, (t_method)streamout13_grain,gensym("grain"),A_DEFFLOAT,0);
    class_addmethod(streamout13_class, (t_method) streamout13_dsp, gensym("dsp"), 0);
    class_addmethod(streamout13_class, (t_method)streamout13_host,gensym("host"),A_DEFSYM,0);

}