summaryrefslogtreecommitdiffstats
path: root/libmpdemux/stream.c
blob: 2dd11d27bcc3b07aa116546ac63fb34deea14062 (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
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include <sys/types.h>
#include <sys/stat.h>
#ifndef __MINGW32__
#include <sys/ioctl.h>
#include <sys/wait.h>
#endif
#include <fcntl.h>
#include <signal.h>
#include <strings.h>

#include "config.h"

#ifndef HAVE_WINSOCK2
#define closesocket close
#else
#include <winsock2.h>
#endif

#include "mp_msg.h"
#include "help_mp.h"
#include "../osdep/shmem.h"

#include "stream.h"
#include "demuxer.h"

#include "../m_option.h"
#include "../m_struct.h"


extern int verbose; // defined in mplayer.c
void cache_uninit(stream_t *s); // defined in cache2.c

#include "cue_read.h"

//#include "vcd_read_bincue.h"

#ifdef USE_DVDREAD
int dvd_read_sector(dvd_priv_t *d,unsigned char* data);
void dvd_seek(dvd_priv_t *d,int pos);
void dvd_close(dvd_priv_t *d);
#endif

#ifdef LIBSMBCLIENT
#include "libsmbclient.h"
#endif

#ifdef HAVE_VCD
extern stream_info_t stream_info_vcd;
#endif
#ifdef HAVE_CDDA
extern stream_info_t stream_info_cdda;
#endif
#ifdef MPLAYER_NETWORK
extern stream_info_t stream_info_netstream;
#endif
extern stream_info_t stream_info_null;
extern stream_info_t stream_info_file;

stream_info_t* auto_open_streams[] = {
#ifdef HAVE_VCD
  &stream_info_vcd,
#endif
#ifdef HAVE_CDDA
  &stream_info_cdda,
#endif
#ifdef MPLAYER_NETWORK
  &stream_info_netstream,
#endif
  &stream_info_null,
  &stream_info_file,
  NULL
};

stream_t* open_stream_plugin(stream_info_t* sinfo,char* filename,int mode,
			     char** options, int* file_format, int* ret) {
  void* arg = NULL;
  stream_t* s;
  m_struct_t* desc = (m_struct_t*)sinfo->opts;

  // Parse options
  if(desc) {
    arg = m_struct_alloc(desc);
    if(sinfo->opts_url) {
      m_option_t url_opt = 
	{ "stream url", arg , CONF_TYPE_CUSTOM_URL, 0, 0 ,0, sinfo->opts };
      if(m_option_parse(&url_opt,"stream url",filename,arg,M_CONFIG_FILE) < 0) {
	mp_msg(MSGT_OPEN,MSGL_ERR, "URL parsing failed on url %s\n",filename);
	m_struct_free(desc,arg);
	return NULL;
      }	
    }
    if(options) {
      int i;
      for(i = 0 ; options[i] != NULL ; i += 2) {
	mp_msg(MSGT_OPEN,MSGL_DBG2, "Set stream arg %s=%s\n",
	       options[i],options[i+1]);
	if(!m_struct_set(desc,arg,options[i],options[i+1]))
	  mp_msg(MSGT_OPEN,MSGL_WARN, "Failed to set stream option %s=%s\n",
		 options[i],options[i+1]);
      }
    }
  }
  s = new_stream(-2,-2);
  s->url=strdup(filename);
  s->flags |= mode;
  *ret = sinfo->open(s,mode,arg,file_format);
  if((*ret) != STREAM_OK) {
    free(s->url);
    free(s);
    return NULL;
  }
  if(s->type <= -2)
    mp_msg(MSGT_OPEN,MSGL_WARN, "Warning streams need a type !!!!\n");
  if(s->flags & STREAM_SEEK && !s->seek)
    s->flags &= ~STREAM_SEEK;
  if(s->seek && !(s->flags & STREAM_SEEK))
    s->flags |= STREAM_SEEK;
  

  mp_msg(MSGT_OPEN,MSGL_V, "STREAM: [%s] %s\n",sinfo->name,filename);
  mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Description: %s\n",sinfo->info);
  mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Author: %s\n", sinfo->author);
  mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Comment: %s\n", sinfo->comment);
  
  return s;
}


stream_t* open_stream_full(char* filename,int mode, char** options, int* file_format) {
  int i,j,l,r;
  stream_info_t* sinfo;
  stream_t* s;

  for(i = 0 ; auto_open_streams[i] ; i++) {
    sinfo = auto_open_streams[i];
    if(!sinfo->protocols) {
      mp_msg(MSGT_OPEN,MSGL_WARN, "Stream type %s have protocols == NULL, it's a bug\n");
      continue;
    }
    for(j = 0 ; sinfo->protocols[j] ; j++) {
      l = strlen(sinfo->protocols[j]);
      // l == 0 => Don't do protocol matching (ie network and filenames)
      if((l == 0) || ((strncmp(sinfo->protocols[j],filename,l) == 0) &&
		      (strncmp("://",filename+l,3) == 0))) {
	*file_format = DEMUXER_TYPE_UNKNOWN;
	s = open_stream_plugin(sinfo,filename,mode,options,file_format,&r);
	if(s) return s;
	if(r != STREAM_UNSUPORTED) {
	  mp_msg(MSGT_OPEN,MSGL_ERR, "Failed to open %s\n",filename);
	  return NULL;
	}
	break;
      }
    }
  }

  mp_msg(MSGT_OPEN,MSGL_ERR, "No stream found to handle url %s\n",filename);
  return NULL;
}

//=================== STREAMER =========================

int stream_fill_buffer(stream_t *s){
  int len;
  if (/*s->fd == NULL ||*/ s->eof) { s->buf_pos = s->buf_len = 0; return 0; }
  switch(s->type){
#ifdef LIBSMBCLIENT
  case STREAMTYPE_SMB:
    len=smbc_read(s->fd,s->buffer,STREAM_BUFFER_SIZE);
    break;
#endif    
  case STREAMTYPE_STREAM:
#ifdef MPLAYER_NETWORK
    if( s->streaming_ctrl!=NULL ) {
	    len=s->streaming_ctrl->streaming_read(s->fd,s->buffer,STREAM_BUFFER_SIZE, s->streaming_ctrl);break;
    } else {
      len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);break;
    }
#else
    len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);break;
#endif
  case STREAMTYPE_VCDBINCUE:
    len=cue_vcd_read(s->buffer);break;
#ifdef USE_DVDNAV
  case STREAMTYPE_DVDNAV: {
    dvdnav_stream_read((dvdnav_priv_t*)s->priv,s->buffer,&len);
    if (len==0) return 0; // this was an event, so repeat the read
    break;
  }
#endif
#ifdef USE_DVDREAD
  case STREAMTYPE_DVD: {
    off_t pos=dvd_read_sector(s->priv,s->buffer);
    if(pos>=0){
	len=2048; // full sector
	s->pos=2048*pos-len;
    } else len=-1; // error
    break;
  }
#endif
  case STREAMTYPE_DS:
    len = demux_read_data((demux_stream_t*)s->priv,s->buffer,STREAM_BUFFER_SIZE);
    break;
  
#ifdef HAS_DVBIN_SUPPORT
  case STREAMTYPE_DVB:
   len = dvb_streaming_read(s->fd, s->buffer, STREAM_BUFFER_SIZE, s->priv);
  break;
#endif


    
  default: 
    len= s->fill_buffer ? s->fill_buffer(s,s->buffer,STREAM_BUFFER_SIZE) : 0;
  }
  if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
  s->buf_pos=0;
  s->buf_len=len;
  s->pos+=len;
//  printf("[%d]",len);fflush(stdout);
  return len;
}

int stream_seek_long(stream_t *s,off_t pos){
off_t newpos=0;

//  if(verbose>=3) printf("seek_long to 0x%X\n",(unsigned int)pos);

  s->buf_pos=s->buf_len=0;

  switch(s->type){
  case STREAMTYPE_SMB:
  case STREAMTYPE_STREAM:
#ifdef _LARGEFILE_SOURCE
    newpos=pos&(~((long long)STREAM_BUFFER_SIZE-1));break;
#else
    newpos=pos&(~(STREAM_BUFFER_SIZE-1));break;
#endif
  case STREAMTYPE_VCDBINCUE:
    newpos=(pos/VCD_SECTOR_DATA)*VCD_SECTOR_DATA;break;
  case STREAMTYPE_DVD:
    newpos=pos/2048; newpos*=2048; break;
  default:
    // Round on sector size
    if(s->sector_size)
      newpos=(pos/s->sector_size)*s->sector_size;
    else { // Otherwise on the buffer size
#ifdef _LARGEFILE_SOURCE
      newpos=pos&(~((long long)STREAM_BUFFER_SIZE-1));break;
#else
      newpos=pos&(~(STREAM_BUFFER_SIZE-1));break;
#endif
    }
    break;
  }

if(verbose>=3){
#ifdef _LARGEFILE_SOURCE
  printf("s->pos=%llX  newpos=%llX  new_bufpos=%llX  buflen=%X  \n",
    (long long)s->pos,(long long)newpos,(long long)pos,s->buf_len);
#else
  printf("s->pos=%X  newpos=%X  new_bufpos=%X  buflen=%X  \n",
    (unsigned int)s->pos,newpos,pos,s->buf_len);
#endif
}

  pos-=newpos;

if(newpos==0 || newpos!=s->pos){
  switch(s->type){
#ifdef LIBSMBCLIENT
  case STREAMTYPE_SMB:
    s->pos=newpos; // real seek
    if(smbc_lseek(s->fd,s->pos,SEEK_SET)<0) s->eof=1;
    break;
#endif
  case STREAMTYPE_VCDBINCUE:
    s->pos=newpos; // real seek
    cue_set_msf(s->pos/VCD_SECTOR_DATA);
    break;
#ifdef USE_DVDNAV
  case STREAMTYPE_DVDNAV: {
    if (newpos==0) {
      if (dvdnav_stream_reset((dvdnav_priv_t*)s->priv))
        s->pos=0;
    }
    if(newpos!=s->pos){
      mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek in DVDNAV streams yet!\n");
      return 1;
    }
    break;
  }
#endif
#ifdef USE_DVDREAD
  case STREAMTYPE_DVD:
    s->pos=newpos; // real seek
    dvd_seek(s->priv,s->pos/2048);
    break;
#endif
  case STREAMTYPE_STREAM:
    //s->pos=newpos; // real seek
    // Some streaming protocol allow to seek backward and forward
    // A function call that return -1 can tell that the protocol
    // doesn't support seeking.
#ifdef MPLAYER_NETWORK
    if( s->streaming_ctrl!=NULL && s->streaming_ctrl->streaming_seek ) {
      if( s->streaming_ctrl->streaming_seek( s->fd, pos, s->streaming_ctrl )<0 ) {
        mp_msg(MSGT_STREAM,MSGL_INFO,"Stream not seekable!\n");
        return 1;
      }
    } 
#else
    if(newpos<s->pos){
      mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek backward in linear streams!\n");
      return 1;
    }
    while(s->pos<newpos){
      if(stream_fill_buffer(s)<=0) break; // EOF
    }
#endif
    break;
  default:
    // This should at the beginning as soon as all streams are converted
    if(!s->seek)
      return 0;
    // Now seek
    if(!s->seek(s,newpos)) {
      mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
      return 0;
    }
  }
//   putchar('.');fflush(stdout);
//} else {
//   putchar('%');fflush(stdout);
}

  stream_fill_buffer(s);
  if(pos>=0 && pos<=s->buf_len){
    s->buf_pos=pos; // byte position in sector
    return 1;
  }
  
//  if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
  
#ifdef _LARGEFILE_SOURCE
  mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%llX !\n",(long long)(pos+newpos));
#else
  mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%X !\n",(pos+newpos));
#endif
  return 0;
}


void stream_reset(stream_t *s){
  if(s->eof){
    s->pos=0; //ftell(f);
//    s->buf_pos=s->buf_len=0;
    s->eof=0;
  }
  if(s->control) s->control(s,STREAM_CTRL_RESET,NULL);
  //stream_seek(s,0);
}

stream_t* new_memory_stream(unsigned char* data,int len){
  stream_t *s=malloc(sizeof(stream_t)+len);
  memset(s,0,sizeof(stream_t));
  s->fd=-1;
  s->type=STREAMTYPE_MEMORY;
  s->buf_pos=0; s->buf_len=len;
  s->start_pos=0; s->end_pos=len;
  stream_reset(s);
  s->pos=len;
  memcpy(s->buffer,data,len);
  return s;
}

stream_t* new_stream(int fd,int type){
  stream_t *s=malloc(sizeof(stream_t));
  if(s==NULL) return NULL;
  memset(s,0,sizeof(stream_t));

#ifdef HAVE_WINSOCK2
  {
    WSADATA wsdata;
    int temp = WSAStartup(0x0202, &wsdata); // there might be a better place for this (-> later)
    mp_msg(MSGT_STREAM,MSGL_V,"WINSOCK2 init: %i\n", temp);
  }
#endif
  
  s->fd=fd;
  s->type=type;
  s->buf_pos=s->buf_len=0;
  s->start_pos=s->end_pos=0;
  s->priv=NULL;
  s->url=NULL;
  s->cache_pid=0;
  stream_reset(s);
  return s;
}

void free_stream(stream_t *s){
//  printf("\n*** free_stream() called ***\n");
#ifdef USE_STREAM_CACHE
  if(s->cache_pid) {
    cache_uninit(s);
  }
#endif
  switch(s->type) {
#ifdef LIBSMBCLIENT
  case STREAMTYPE_SMB:
    smbc_close(s->fd);
    break;    
#endif
#ifdef HAS_DVBIN_SUPPORT
  case STREAMTYPE_DVB:
    dvbin_close(s->priv);
  break;
#endif

#ifdef USE_DVDREAD
  case STREAMTYPE_DVD:
    dvd_close(s->priv);
#endif
  default:
    if(s->close) s->close(s);
  }
  if(s->fd>0) closesocket(s->fd);
#ifdef HAVE_WINSOCK2
  mp_msg(MSGT_STREAM,MSGL_V,"WINSOCK2 uninit\n");
  WSACleanup(); // there might be a better place for this (-> later)
#endif
  // Disabled atm, i don't like that. s->priv can be anything after all
  // streams should destroy their priv on close
  //if(s->priv) free(s->priv);
  if(s->url) free(s->url);
  free(s);
}

stream_t* new_ds_stream(demux_stream_t *ds) {
  stream_t* s = new_stream(-1,STREAMTYPE_DS);
  s->priv = ds;
  return s;
}