summaryrefslogtreecommitdiffstats
path: root/libmpdemux/stream.c
blob: 869b3e1f62d1f67cbdbf8fcf4ebf4f193535a908 (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

#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 "vcd_read_bincue.h"

#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;
extern stream_info_t stream_info_pnm;
extern stream_info_t stream_info_asf;
extern stream_info_t stream_info_rtsp;
extern stream_info_t stream_info_rtp_udp;
extern stream_info_t stream_info_http1;
extern stream_info_t stream_info_http2;
#endif
#ifdef HAS_DVBIN_SUPPORT
extern stream_info_t stream_info_dvb;
#endif
#ifdef HAVE_FTP
extern stream_info_t stream_info_ftp;
#endif
#ifdef HAVE_VSTREAM
extern stream_info_t stream_info_vstream;
#endif
#ifdef USE_DVDNAV
extern stream_info_t stream_info_dvdnav;
#endif
#ifdef LIBSMBCLIENT
extern stream_info_t stream_info_smb;
#endif
#ifdef STREAMING_LIVE555
extern stream_info_t stream_info_sdp;
extern stream_info_t stream_info_rtsp_sip;
#endif

extern stream_info_t stream_info_cue;
extern stream_info_t stream_info_null;
extern stream_info_t stream_info_file;
#ifdef HAVE_DVD
extern stream_info_t stream_info_dvd;
#endif

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,
  &stream_info_http1,
  &stream_info_asf,
  &stream_info_pnm,
  &stream_info_rtsp,
#ifdef STREAMING_LIVE555
  &stream_info_sdp,
  &stream_info_rtsp_sip,
#endif
  &stream_info_rtp_udp,
  &stream_info_http2,
#endif
#ifdef HAS_DVBIN_SUPPORT
  &stream_info_dvb,
#endif
#ifdef HAVE_FTP
  &stream_info_ftp,
#endif
#ifdef HAVE_VSTREAM
  &stream_info_vstream,
#endif
#ifdef LIBSMBCLIENT
  &stream_info_smb,
#endif
  &stream_info_cue,
#ifdef HAVE_DVD
  &stream_info_dvd,
#endif
#ifdef USE_DVDNAV
  &stream_info_dvdnav;
#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 has protocols == NULL, it's a bug\n", sinfo->name);
      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, MSGTR_FailedToOpen,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){
  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_DS:
    len = demux_read_data((demux_stream_t*)s->priv,s->buffer,STREAM_BUFFER_SIZE);
    break;
  
    
  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_STREAM:
#ifdef _LARGEFILE_SOURCE
    newpos=pos&(~((long long)STREAM_BUFFER_SIZE-1));break;
#else
    newpos=pos&(~(STREAM_BUFFER_SIZE-1));break;
#endif
  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){
  printf("s->pos=%"PRIX64"  newpos=%"PRIX64"  new_bufpos=%"PRIX64"  buflen=%X  \n",
    (int64_t)s->pos,(int64_t)newpos,(int64_t)pos,s->buf_len);
}
  pos-=newpos;

if(newpos==0 || newpos!=s->pos){
  switch(s->type){
  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->seek) { // new stream seek is much cleaner than streaming_ctrl one
      if(!s->seek(s,newpos)) {
      	mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
      	return 0;
      }
      break;
    }
	
    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);
}

while(stream_fill_buffer(s) > 0 && pos >= 0) {
  if(pos<=s->buf_len){
    s->buf_pos=pos; // byte position in sector
    return 1;
  }
  pos -= s->buf_len;
}
  
//  if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
  
  mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%"PRIX64" !\n",(int64_t)(pos+newpos));
  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);
}

int stream_control(stream_t *s, int cmd, void *arg){
  if(!s->control) return STREAM_UNSUPORTED;
  return s->control(s, cmd, arg);
}

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
  if(s->close) s->close(s);
  if(s->fd>0){
    /* on unix we define closesocket to close
       on windows however we have to distinguish between
       network socket and file */
    if(s->url && strstr(s->url,"://"))
      closesocket(s->fd);
    else close(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;
}