stream/stream.c

   1
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #ifndef __MINGW32__
   9 #include <sys/ioctl.h>
  10 #include <sys/wait.h>
  11 #endif
  12 #include <fcntl.h>
  13 #include <signal.h>
  14 #include <strings.h>
  15
  16 #include "config.h"
  17
  18 #ifndef HAVE_WINSOCK2
  19 #define closesocket close
  20 #else
  21 #include <winsock2.h>
  22 #endif
  23
  24 #include "mp_msg.h"
  25 #include "help_mp.h"
  26 #include "osdep/shmem.h"
  27
  28 #include "stream.h"
  29 #include "libmpdemux/demuxer.h"
  30
  31 #include "m_option.h"
  32 #include "m_struct.h"
  33
  34 #include "cache2.h"
  35
  36 //#include "vcd_read_bincue.h"
  37
  38 #ifdef HAVE_VCD
  39 extern stream_info_t stream_info_vcd;
  40 #endif
  41 #ifdef HAVE_CDDA
  42 extern stream_info_t stream_info_cdda;
  43 #endif
  44 #ifdef MPLAYER_NETWORK
  45 extern stream_info_t stream_info_netstream;
  46 extern stream_info_t stream_info_pnm;
  47 extern stream_info_t stream_info_asf;
  48 extern stream_info_t stream_info_rtsp;
  49 extern stream_info_t stream_info_rtp;
  50 extern stream_info_t stream_info_udp;
  51 extern stream_info_t stream_info_http1;
  52 extern stream_info_t stream_info_http2;
  53 #endif
  54 #ifdef HAS_DVBIN_SUPPORT
  55 extern stream_info_t stream_info_dvb;
  56 #endif
  57 #ifdef USE_TV
  58 extern stream_info_t stream_info_tv;
  59 #endif
  60 #ifdef USE_RADIO
  61 extern stream_info_t stream_info_radio;
  62 #endif
  63 #ifdef HAVE_PVR
  64 extern stream_info_t stream_info_pvr;
  65 #endif
  66 #ifdef HAVE_FTP
  67 extern stream_info_t stream_info_ftp;
  68 #endif
  69 #ifdef HAVE_VSTREAM
  70 extern stream_info_t stream_info_vstream;
  71 #endif
  72 #ifdef USE_DVDNAV
  73 extern stream_info_t stream_info_dvdnav;
  74 #endif
  75 #ifdef LIBSMBCLIENT
  76 extern stream_info_t stream_info_smb;
  77 #endif
  78 #ifdef STREAMING_LIVE555
  79 extern stream_info_t stream_info_sdp;
  80 extern stream_info_t stream_info_rtsp_sip;
  81 #endif
  82
  83 extern stream_info_t stream_info_cue;
  84 extern stream_info_t stream_info_null;
  85 extern stream_info_t stream_info_mf;
  86 extern stream_info_t stream_info_file;
  87 #ifdef USE_DVDREAD
  88 extern stream_info_t stream_info_dvd;
  89 #endif
  90
  91 stream_info_t* auto_open_streams[] = {
  92 #ifdef HAVE_VCD
  93   &stream_info_vcd,
  94 #endif
  95 #ifdef HAVE_CDDA
  96   &stream_info_cdda,
  97 #endif
  98 #ifdef MPLAYER_NETWORK
  99   &stream_info_netstream,
 100   &stream_info_http1,
 101   &stream_info_asf,
 102   &stream_info_pnm,
 103   &stream_info_rtsp,
 104 #ifdef STREAMING_LIVE555
 105   &stream_info_sdp,
 106   &stream_info_rtsp_sip,
 107 #endif
 108   &stream_info_rtp,
 109   &stream_info_udp,
 110   &stream_info_http2,
 111 #endif
 112 #ifdef HAS_DVBIN_SUPPORT
 113   &stream_info_dvb,
 114 #endif
 115 #ifdef USE_TV
 116   &stream_info_tv,
 117 #endif
 118 #ifdef USE_RADIO
 119   &stream_info_radio,
 120 #endif
 121 #ifdef HAVE_PVR
 122   &stream_info_pvr,
 123 #endif
 124 #ifdef HAVE_FTP
 125   &stream_info_ftp,
 126 #endif
 127 #ifdef HAVE_VSTREAM
 128   &stream_info_vstream,
 129 #endif
 130 #ifdef LIBSMBCLIENT
 131   &stream_info_smb,
 132 #endif
 133   &stream_info_cue,
 134 #ifdef USE_DVDREAD
 135   &stream_info_dvd,
 136 #endif
 137 #ifdef USE_DVDNAV
 138   &stream_info_dvdnav,
 139 #endif
 140
 141   &stream_info_null,
 142   &stream_info_mf,
 143   &stream_info_file,
 144   NULL
 145 };
 146
 147 stream_t* open_stream_plugin(stream_info_t* sinfo,char* filename,int mode,
 148                              char** options, int* file_format, int* ret) {
 149   void* arg = NULL;
 150   stream_t* s;
 151   m_struct_t* desc = (m_struct_t*)sinfo->opts;
 152
 153   // Parse options
 154   if(desc) {
 155     arg = m_struct_alloc(desc);
 156     if(sinfo->opts_url) {
 157       m_option_t url_opt =
 158         { "stream url", arg , CONF_TYPE_CUSTOM_URL, 0, 0 ,0, sinfo->opts };
 159       if(m_option_parse(&url_opt,"stream url",filename,arg,M_CONFIG_FILE) < 0) {
 160         mp_msg(MSGT_OPEN,MSGL_ERR, "URL parsing failed on url %s\n",filename);
 161         m_struct_free(desc,arg);
 162         return NULL;
 163       }
 164     }
 165     if(options) {
 166       int i;
 167       for(i = 0 ; options[i] != NULL ; i += 2) {
 168         mp_msg(MSGT_OPEN,MSGL_DBG2, "Set stream arg %s=%s\n",
 169                options[i],options[i+1]);
 170         if(!m_struct_set(desc,arg,options[i],options[i+1]))
 171           mp_msg(MSGT_OPEN,MSGL_WARN, "Failed to set stream option %s=%s\n",
 172                  options[i],options[i+1]);
 173       }
 174     }
 175   }
 176   s = new_stream(-2,-2);
 177   s->url=strdup(filename);
 178   s->flags |= mode;
 179   *ret = sinfo->open(s,mode,arg,file_format);
 180   if((*ret) != STREAM_OK) {
 181     free(s->url);
 182     free(s);
 183     return NULL;
 184   }
 185   if(s->type <= -2)
 186     mp_msg(MSGT_OPEN,MSGL_WARN, "Warning streams need a type !!!!\n");
 187   if(s->flags & STREAM_SEEK && !s->seek)
 188     s->flags &= ~STREAM_SEEK;
 189   if(s->seek && !(s->flags & STREAM_SEEK))
 190     s->flags |= STREAM_SEEK;
 191
 192   s->mode = mode;
 193
 194   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: [%s] %s\n",sinfo->name,filename);
 195   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Description: %s\n",sinfo->info);
 196   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Author: %s\n", sinfo->author);
 197   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Comment: %s\n", sinfo->comment);
 198
 199   return s;
 200 }
 201
 202
 203 stream_t* open_stream_full(char* filename,int mode, char** options, int* file_format) {
 204   int i,j,l,r;
 205   stream_info_t* sinfo;
 206   stream_t* s;
 207
 208   for(i = 0 ; auto_open_streams[i] ; i++) {
 209     sinfo = auto_open_streams[i];
 210     if(!sinfo->protocols) {
 211       mp_msg(MSGT_OPEN,MSGL_WARN, "Stream type %s has protocols == NULL, it's a bug\n", sinfo->name);
 212       continue;
 213     }
 214     for(j = 0 ; sinfo->protocols[j] ; j++) {
 215       l = strlen(sinfo->protocols[j]);
 216       // l == 0 => Don't do protocol matching (ie network and filenames)
 217       if((l == 0 && !strstr(filename, "://")) ||
 218          ((strncmp(sinfo->protocols[j],filename,l) == 0) &&
 219                       (strncmp("://",filename+l,3) == 0))) {
 220         *file_format = DEMUXER_TYPE_UNKNOWN;
 221         s = open_stream_plugin(sinfo,filename,mode,options,file_format,&r);
 222         if(s) return s;
 223         if(r != STREAM_UNSUPPORTED) {
 224           mp_msg(MSGT_OPEN,MSGL_ERR, MSGTR_FailedToOpen,filename);
 225           return NULL;
 226         }
 227         break;
 228       }
 229     }
 230   }
 231
 232   mp_msg(MSGT_OPEN,MSGL_ERR, "No stream found to handle url %s\n",filename);
 233   return NULL;
 234 }
 235
 236 stream_t* open_output_stream(char* filename,char** options) {
 237   int file_format; //unused
 238   if(!filename) {
 239     mp_msg(MSGT_OPEN,MSGL_ERR,"open_output_stream(), NULL filename, report this bug\n");
 240     return NULL;
 241   }
 242
 243   return open_stream_full(filename,STREAM_WRITE,options,&file_format);
 244 }
 245
 246 //=================== STREAMER =========================
 247
 248 int stream_fill_buffer(stream_t *s){
 249   int len;
 250   if (/*s->fd == NULL ||*/ s->eof) { s->buf_pos = s->buf_len = 0; return 0; }
 251   switch(s->type){
 252   case STREAMTYPE_STREAM:
 253 #ifdef MPLAYER_NETWORK
 254     if( s->streaming_ctrl!=NULL ) {
 255             len=s->streaming_ctrl->streaming_read(s->fd,s->buffer,STREAM_BUFFER_SIZE, s->streaming_ctrl);break;
 256     } else {
 257       len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);break;
 258     }
 259 #else
 260     len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);break;
 261 #endif
 262   case STREAMTYPE_DS:
 263     len = demux_read_data((demux_stream_t*)s->priv,s->buffer,STREAM_BUFFER_SIZE);
 264     break;
 265
 266
 267   default:
 268     len= s->fill_buffer ? s->fill_buffer(s,s->buffer,STREAM_BUFFER_SIZE) : 0;
 269   }
 270   if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
 271   s->buf_pos=0;
 272   s->buf_len=len;
 273   s->pos+=len;
 274 //  printf("[%d]",len);fflush(stdout);
 275   return len;
 276 }
 277
 278 int stream_write_buffer(stream_t *s, unsigned char *buf, int len) {
 279   int rd;
 280   if(!s->write_buffer)
 281     return -1;
 282   rd = s->write_buffer(s, buf, len);
 283   if(rd < 0)
 284     return -1;
 285   s->pos += rd;
 286   return rd;
 287 }
 288
 289 int stream_seek_long(stream_t *s,off_t pos){
 290 off_t newpos=0;
 291
 292 //  if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ) printf("seek_long to 0x%X\n",(unsigned int)pos);
 293
 294   s->buf_pos=s->buf_len=0;
 295
 296   if(s->mode == STREAM_WRITE) {
 297     if(!s->seek || !s->seek(s,pos))
 298       return 0;
 299     return 1;
 300   }
 301
 302   if(s->sector_size)
 303       newpos = (pos/s->sector_size)*s->sector_size;
 304   else
 305       newpos = pos&(~((off_t)STREAM_BUFFER_SIZE-1));
 306
 307 if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ){
 308   mp_msg(MSGT_STREAM,MSGL_DBG3, "s->pos=%"PRIX64"  newpos=%"PRIX64"  new_bufpos=%"PRIX64"  buflen=%X  \n",
 309     (int64_t)s->pos,(int64_t)newpos,(int64_t)pos,s->buf_len);
 310 }
 311   pos-=newpos;
 312
 313 if(newpos==0 || newpos!=s->pos){
 314   switch(s->type){
 315   case STREAMTYPE_STREAM:
 316     //s->pos=newpos; // real seek
 317     // Some streaming protocol allow to seek backward and forward
 318     // A function call that return -1 can tell that the protocol
 319     // doesn't support seeking.
 320 #ifdef MPLAYER_NETWORK
 321     if(s->seek) { // new stream seek is much cleaner than streaming_ctrl one
 322       if(!s->seek(s,newpos)) {
 323         mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
 324         return 0;
 325       }
 326       break;
 327     }
 328
 329     if( s->streaming_ctrl!=NULL && s->streaming_ctrl->streaming_seek ) {
 330       if( s->streaming_ctrl->streaming_seek( s->fd, pos, s->streaming_ctrl )<0 ) {
 331         mp_msg(MSGT_STREAM,MSGL_INFO,"Stream not seekable!\n");
 332         return 1;
 333       }
 334     }
 335 #else
 336     if(newpos<s->pos){
 337       mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek backward in linear streams!\n");
 338       return 1;
 339     }
 340     while(s->pos<newpos){
 341       if(stream_fill_buffer(s)<=0) break; // EOF
 342     }
 343 #endif
 344     break;
 345   default:
 346     // This should at the beginning as soon as all streams are converted
 347     if(!s->seek)
 348       return 0;
 349     // Now seek
 350     if(!s->seek(s,newpos)) {
 351       mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
 352       return 0;
 353     }
 354   }
 355 //   putchar('.');fflush(stdout);
 356 //} else {
 357 //   putchar('%');fflush(stdout);
 358 }
 359
 360 while(stream_fill_buffer(s) > 0 && pos >= 0) {
 361   if(pos<=s->buf_len){
 362     s->buf_pos=pos; // byte position in sector
 363     return 1;
 364   }
 365   pos -= s->buf_len;
 366 }
 367
 368 //  if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
 369
 370   mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%"PRIX64" !\n",(int64_t)(pos+newpos));
 371   return 0;
 372 }
 373
 374
 375 void stream_reset(stream_t *s){
 376   if(s->eof){
 377     s->pos=0; //ftell(f);
 378 //    s->buf_pos=s->buf_len=0;
 379     s->eof=0;
 380   }
 381   if(s->control) s->control(s,STREAM_CTRL_RESET,NULL);
 382   //stream_seek(s,0);
 383 }
 384
 385 int stream_control(stream_t *s, int cmd, void *arg){
 386   if(!s->control) return STREAM_UNSUPPORTED;
 387   return s->control(s, cmd, arg);
 388 }
 389
 390 stream_t* new_memory_stream(unsigned char* data,int len){
 391   stream_t *s;
 392
 393   if(len < 0)
 394     return NULL;
 395   s=malloc(sizeof(stream_t)+len);
 396   memset(s,0,sizeof(stream_t));
 397   s->fd=-1;
 398   s->type=STREAMTYPE_MEMORY;
 399   s->buf_pos=0; s->buf_len=len;
 400   s->start_pos=0; s->end_pos=len;
 401   stream_reset(s);
 402   s->pos=len;
 403   memcpy(s->buffer,data,len);
 404   return s;
 405 }
 406
 407 stream_t* new_stream(int fd,int type){
 408   stream_t *s=malloc(sizeof(stream_t));
 409   if(s==NULL) return NULL;
 410   memset(s,0,sizeof(stream_t));
 411
 412 #ifdef HAVE_WINSOCK2
 413   {
 414     WSADATA wsdata;
 415     int temp = WSAStartup(0x0202, &wsdata); // there might be a better place for this (-> later)
 416     mp_msg(MSGT_STREAM,MSGL_V,"WINSOCK2 init: %i\n", temp);
 417   }
 418 #endif
 419
 420   s->fd=fd;
 421   s->type=type;
 422   s->buf_pos=s->buf_len=0;
 423   s->start_pos=s->end_pos=0;
 424   s->priv=NULL;
 425   s->url=NULL;
 426   s->cache_pid=0;
 427   stream_reset(s);
 428   return s;
 429 }
 430
 431 void free_stream(stream_t *s){
 432 //  printf("\n*** free_stream() called ***\n");
 433 #ifdef USE_STREAM_CACHE
 434   if(s->cache_pid) {
 435     cache_uninit(s);
 436   }
 437 #endif
 438   if(s->close) s->close(s);
 439   if(s->fd>0){
 440     /* on unix we define closesocket to close
 441        on windows however we have to distinguish between
 442        network socket and file */
 443     if(s->url && strstr(s->url,"://"))
 444       closesocket(s->fd);
 445     else close(s->fd);
 446   }
 447 #ifdef HAVE_WINSOCK2
 448   mp_msg(MSGT_STREAM,MSGL_V,"WINSOCK2 uninit\n");
 449   WSACleanup(); // there might be a better place for this (-> later)
 450 #endif
 451   // Disabled atm, i don't like that. s->priv can be anything after all
 452   // streams should destroy their priv on close
 453   //if(s->priv) free(s->priv);
 454   if(s->url) free(s->url);
 455   free(s);
 456 }
 457
 458 stream_t* new_ds_stream(demux_stream_t *ds) {
 459   stream_t* s = new_stream(-1,STREAMTYPE_DS);
 460   s->priv = ds;
 461   return s;
 462 }