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 <strings.h>
  14
  15 #include "config.h"
  16
  17 #if HAVE_WINSOCK2_H
  18 #include <winsock2.h>
  19 #endif
  20
  21 #include "mp_msg.h"
  22 #include "help_mp.h"
  23 #include "osdep/shmem.h"
  24 #include "network.h"
  25 #include "stream.h"
  26 #include "libmpdemux/demuxer.h"
  27
  28 #include "m_option.h"
  29 #include "m_struct.h"
  30
  31 #include "cache2.h"
  32
  33 //#include "vcd_read_bincue.h"
  34
  35 struct input_ctx;
  36 static int (*stream_check_interrupt_cb)(struct input_ctx *ctx, int time);
  37 static struct input_ctx *stream_check_interrupt_ctx;
  38
  39 extern const stream_info_t stream_info_vcd;
  40 extern const stream_info_t stream_info_cdda;
  41 extern const stream_info_t stream_info_netstream;
  42 extern const stream_info_t stream_info_pnm;
  43 extern const stream_info_t stream_info_asf;
  44 extern const stream_info_t stream_info_rtsp;
  45 extern const stream_info_t stream_info_rtp;
  46 extern const stream_info_t stream_info_udp;
  47 extern const stream_info_t stream_info_http1;
  48 extern const stream_info_t stream_info_http2;
  49 extern const stream_info_t stream_info_dvb;
  50 extern const stream_info_t stream_info_tv;
  51 extern const stream_info_t stream_info_radio;
  52 extern const stream_info_t stream_info_pvr;
  53 extern const stream_info_t stream_info_ftp;
  54 extern const stream_info_t stream_info_vstream;
  55 extern const stream_info_t stream_info_dvdnav;
  56 extern const stream_info_t stream_info_smb;
  57 extern const stream_info_t stream_info_sdp;
  58 extern const stream_info_t stream_info_rtsp_sip;
  59
  60 extern const stream_info_t stream_info_cue;
  61 extern const stream_info_t stream_info_null;
  62 extern const stream_info_t stream_info_mf;
  63 extern const stream_info_t stream_info_ffmpeg;
  64 extern const stream_info_t stream_info_file;
  65 extern const stream_info_t stream_info_ifo;
  66 extern const stream_info_t stream_info_dvd;
  67
  68 static const stream_info_t* const auto_open_streams[] = {
  69 #ifdef CONFIG_VCD
  70   &stream_info_vcd,
  71 #endif
  72 #ifdef CONFIG_CDDA
  73   &stream_info_cdda,
  74 #endif
  75 #ifdef CONFIG_NETWORK
  76   &stream_info_netstream,
  77   &stream_info_http1,
  78   &stream_info_asf,
  79   &stream_info_pnm,
  80   &stream_info_rtsp,
  81 #ifdef CONFIG_LIVE555
  82   &stream_info_sdp,
  83   &stream_info_rtsp_sip,
  84 #endif
  85   &stream_info_rtp,
  86   &stream_info_udp,
  87   &stream_info_http2,
  88 #endif
  89 #ifdef CONFIG_DVBIN
  90   &stream_info_dvb,
  91 #endif
  92 #ifdef CONFIG_TV
  93   &stream_info_tv,
  94 #endif
  95 #ifdef CONFIG_RADIO
  96   &stream_info_radio,
  97 #endif
  98 #ifdef CONFIG_PVR
  99   &stream_info_pvr,
 100 #endif
 101 #ifdef CONFIG_FTP
 102   &stream_info_ftp,
 103 #endif
 104 #ifdef CONFIG_VSTREAM
 105   &stream_info_vstream,
 106 #endif
 107 #ifdef CONFIG_LIBSMBCLIENT
 108   &stream_info_smb,
 109 #endif
 110   &stream_info_cue,
 111 #ifdef CONFIG_DVDREAD
 112   &stream_info_ifo,
 113   &stream_info_dvd,
 114 #endif
 115 #ifdef CONFIG_DVDNAV
 116   &stream_info_dvdnav,
 117 #endif
 118 #ifdef CONFIG_LIBAVFORMAT
 119   &stream_info_ffmpeg,
 120 #endif
 121
 122   &stream_info_null,
 123   &stream_info_mf,
 124   &stream_info_file,
 125   NULL
 126 };
 127
 128 static stream_t *open_stream_plugin(const stream_info_t *sinfo, char *filename,
 129                                     int mode, struct MPOpts *options,
 130                                     int *file_format, int *ret,
 131                                     char **redirected_url)
 132 {
 133   void* arg = NULL;
 134   stream_t* s;
 135   m_struct_t* desc = (m_struct_t*)sinfo->opts;
 136
 137   // Parse options
 138   if(desc) {
 139     arg = m_struct_alloc(desc);
 140     if(sinfo->opts_url) {
 141       m_option_t url_opt =
 142         { "stream url", arg , CONF_TYPE_CUSTOM_URL, 0, 0 ,0, sinfo->opts };
 143       if(m_option_parse(&url_opt,"stream url",filename,arg,M_CONFIG_FILE) < 0) {
 144         mp_msg(MSGT_OPEN,MSGL_ERR, "URL parsing failed on url %s\n",filename);
 145         m_struct_free(desc,arg);
 146         return NULL;
 147       }
 148     }
 149   }
 150   s = new_stream(-2,-2);
 151   s->opts = options;
 152   s->url=strdup(filename);
 153   s->flags |= mode;
 154   *ret = sinfo->open(s,mode,arg,file_format);
 155   if((*ret) != STREAM_OK) {
 156 #ifdef CONFIG_NETWORK
 157     if (*ret == STREAM_REDIRECTED && redirected_url) {
 158         if (s->streaming_ctrl && s->streaming_ctrl->url
 159             && s->streaming_ctrl->url->url)
 160           *redirected_url = strdup(s->streaming_ctrl->url->url);
 161         else
 162           *redirected_url = NULL;
 163     }
 164     streaming_ctrl_free(s->streaming_ctrl);
 165 #endif
 166     free(s->url);
 167     free(s);
 168     return NULL;
 169   }
 170   if(s->type <= -2)
 171     mp_msg(MSGT_OPEN,MSGL_WARN, "Warning streams need a type !!!!\n");
 172   if(s->flags & MP_STREAM_SEEK && !s->seek)
 173     s->flags &= ~MP_STREAM_SEEK;
 174   if(s->seek && !(s->flags & MP_STREAM_SEEK))
 175     s->flags |= MP_STREAM_SEEK;
 176
 177   s->mode = mode;
 178
 179   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: [%s] %s\n",sinfo->name,filename);
 180   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Description: %s\n",sinfo->info);
 181   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Author: %s\n", sinfo->author);
 182   mp_msg(MSGT_OPEN,MSGL_V, "STREAM: Comment: %s\n", sinfo->comment);
 183
 184   return s;
 185 }
 186
 187
 188 stream_t *open_stream_full(char *filename,int mode, struct MPOpts *options,
 189                            int* file_format)
 190 {
 191   int i,j,l,r;
 192   const stream_info_t* sinfo;
 193   stream_t* s;
 194   char *redirected_url = NULL;
 195
 196   for(i = 0 ; auto_open_streams[i] ; i++) {
 197     sinfo = auto_open_streams[i];
 198     if(!sinfo->protocols) {
 199       mp_msg(MSGT_OPEN,MSGL_WARN, "Stream type %s has protocols == NULL, it's a bug\n", sinfo->name);
 200       continue;
 201     }
 202     for(j = 0 ; sinfo->protocols[j] ; j++) {
 203       l = strlen(sinfo->protocols[j]);
 204       // l == 0 => Don't do protocol matching (ie network and filenames)
 205       if((l == 0 && !strstr(filename, "://")) ||
 206          ((strncasecmp(sinfo->protocols[j],filename,l) == 0) &&
 207                       (strncmp("://",filename+l,3) == 0))) {
 208         *file_format = DEMUXER_TYPE_UNKNOWN;
 209         s = open_stream_plugin(sinfo,filename,mode,options,file_format,&r,
 210                                 &redirected_url);
 211         if(s) return s;
 212         if(r == STREAM_REDIRECTED && redirected_url) {
 213           mp_msg(MSGT_OPEN,MSGL_V, "[%s] open %s redirected to %s\n",
 214                  sinfo->info, filename, redirected_url);
 215           s = open_stream_full(redirected_url, mode, options, file_format);
 216           free(redirected_url);
 217           return s;
 218         }
 219         else if(r != STREAM_UNSUPPORTED) {
 220           mp_tmsg(MSGT_OPEN,MSGL_ERR, "Failed to open %s.\n",filename);
 221           return NULL;
 222         }
 223         break;
 224       }
 225     }
 226   }
 227
 228   mp_msg(MSGT_OPEN,MSGL_ERR, "No stream found to handle url %s\n",filename);
 229   return NULL;
 230 }
 231
 232 stream_t *open_output_stream(char *filename, struct MPOpts *options)
 233 {
 234   int file_format; //unused
 235   if(!filename) {
 236     mp_msg(MSGT_OPEN,MSGL_ERR,"open_output_stream(), NULL filename, report this bug\n");
 237     return NULL;
 238   }
 239
 240   return open_stream_full(filename,STREAM_WRITE,options,&file_format);
 241 }
 242
 243 //=================== STREAMER =========================
 244
 245 int stream_fill_buffer(stream_t *s){
 246   int len;
 247   if (/*s->fd == NULL ||*/ s->eof) { s->buf_pos = s->buf_len = 0; return 0; }
 248   switch(s->type){
 249   case STREAMTYPE_STREAM:
 250 #ifdef CONFIG_NETWORK
 251     if( s->streaming_ctrl!=NULL && s->streaming_ctrl->streaming_read ) {
 252             len=s->streaming_ctrl->streaming_read(s->fd,s->buffer,STREAM_BUFFER_SIZE, s->streaming_ctrl);
 253     } else
 254 #endif
 255     if (s->fill_buffer)
 256       len = s->fill_buffer(s, s->buffer, STREAM_BUFFER_SIZE);
 257     else
 258       len=read(s->fd,s->buffer,STREAM_BUFFER_SIZE);
 259     break;
 260   case STREAMTYPE_DS:
 261     len = demux_read_data((demux_stream_t*)s->priv,s->buffer,STREAM_BUFFER_SIZE);
 262     break;
 263
 264
 265   default:
 266     len= s->fill_buffer ? s->fill_buffer(s,s->buffer,STREAM_BUFFER_SIZE) : 0;
 267   }
 268   if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
 269   s->buf_pos=0;
 270   s->buf_len=len;
 271   s->pos+=len;
 272 //  printf("[%d]",len);fflush(stdout);
 273   return len;
 274 }
 275
 276 int stream_write_buffer(stream_t *s, unsigned char *buf, int len) {
 277   int rd;
 278   if(!s->write_buffer)
 279     return -1;
 280   rd = s->write_buffer(s, buf, len);
 281   if(rd < 0)
 282     return -1;
 283   s->pos += rd;
 284   return rd;
 285 }
 286
 287 int stream_seek_long(stream_t *s,off_t pos){
 288 off_t newpos=0;
 289
 290 //  if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ) printf("seek_long to 0x%X\n",(unsigned int)pos);
 291
 292   s->buf_pos=s->buf_len=0;
 293
 294   if(s->mode == STREAM_WRITE) {
 295     if(!s->seek || !s->seek(s,pos))
 296       return 0;
 297     return 1;
 298   }
 299
 300   if(s->sector_size)
 301       newpos = (pos/s->sector_size)*s->sector_size;
 302   else
 303       newpos = pos&(~((off_t)STREAM_BUFFER_SIZE-1));
 304
 305 if( mp_msg_test(MSGT_STREAM,MSGL_DBG3) ){
 306   mp_msg(MSGT_STREAM,MSGL_DBG3, "s->pos=%"PRIX64"  newpos=%"PRIX64"  new_bufpos=%"PRIX64"  buflen=%X  \n",
 307     (int64_t)s->pos,(int64_t)newpos,(int64_t)pos,s->buf_len);
 308 }
 309   pos-=newpos;
 310
 311 if(newpos==0 || newpos!=s->pos){
 312   switch(s->type){
 313   case STREAMTYPE_STREAM:
 314     //s->pos=newpos; // real seek
 315     // Some streaming protocol allow to seek backward and forward
 316     // A function call that return -1 can tell that the protocol
 317     // doesn't support seeking.
 318 #ifdef CONFIG_NETWORK
 319     if(s->seek) { // new stream seek is much cleaner than streaming_ctrl one
 320       if(!s->seek(s,newpos)) {
 321         mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
 322         return 0;
 323       }
 324       break;
 325     }
 326
 327     if( s->streaming_ctrl!=NULL && s->streaming_ctrl->streaming_seek ) {
 328       if( s->streaming_ctrl->streaming_seek( s->fd, pos, s->streaming_ctrl )<0 ) {
 329         mp_msg(MSGT_STREAM,MSGL_INFO,"Stream not seekable!\n");
 330         return 1;
 331       }
 332       break;
 333     }
 334 #endif
 335     if(newpos<s->pos){
 336       mp_msg(MSGT_STREAM,MSGL_INFO,"Cannot seek backward in linear streams!\n");
 337       return 1;
 338     }
 339     while(s->pos<newpos){
 340       if(stream_fill_buffer(s)<=0) break; // EOF
 341     }
 342     break;
 343   default:
 344     // This should at the beginning as soon as all streams are converted
 345     if(!s->seek)
 346       return 0;
 347     // Now seek
 348     if(!s->seek(s,newpos)) {
 349       mp_msg(MSGT_STREAM,MSGL_ERR, "Seek failed\n");
 350       return 0;
 351     }
 352   }
 353 //   putchar('.');fflush(stdout);
 354 //} else {
 355 //   putchar('%');fflush(stdout);
 356 }
 357
 358 while(stream_fill_buffer(s) > 0 && pos >= 0) {
 359   if(pos<=s->buf_len){
 360     s->buf_pos=pos; // byte position in sector
 361     return 1;
 362   }
 363   pos -= s->buf_len;
 364 }
 365
 366 //  if(pos==s->buf_len) printf("XXX Seek to last byte of file -> EOF\n");
 367
 368   mp_msg(MSGT_STREAM,MSGL_V,"stream_seek: WARNING! Can't seek to 0x%"PRIX64" !\n",(int64_t)(pos+newpos));
 369   return 0;
 370 }
 371
 372
 373 void stream_reset(stream_t *s){
 374   if(s->eof){
 375     s->pos=0; //ftell(f);
 376 //    s->buf_pos=s->buf_len=0;
 377     s->eof=0;
 378   }
 379   if(s->control) s->control(s,STREAM_CTRL_RESET,NULL);
 380   //stream_seek(s,0);
 381 }
 382
 383 int stream_control(stream_t *s, int cmd, void *arg){
 384   if(!s->control) return STREAM_UNSUPPORTED;
 385 #ifdef CONFIG_STREAM_CACHE
 386   if (s->cache_pid)
 387     return cache_do_control(s, cmd, arg);
 388 #endif
 389   return s->control(s, cmd, arg);
 390 }
 391
 392 stream_t* new_memory_stream(unsigned char* data,int len){
 393   stream_t *s;
 394
 395   if(len < 0)
 396     return NULL;
 397   s=calloc(1, sizeof(stream_t)+len);
 398   s->fd=-1;
 399   s->type=STREAMTYPE_MEMORY;
 400   s->buf_pos=0; s->buf_len=len;
 401   s->start_pos=0; s->end_pos=len;
 402   stream_reset(s);
 403   s->pos=len;
 404   memcpy(s->buffer,data,len);
 405   return s;
 406 }
 407
 408 stream_t* new_stream(int fd,int type){
 409   stream_t *s=calloc(1, sizeof(stream_t));
 410   if(s==NULL) return NULL;
 411
 412 #if HAVE_WINSOCK2_H
 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 CONFIG_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 #if HAVE_WINSOCK2_H
 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 }
 463
 464 void stream_set_interrupt_callback(int (*cb)(struct input_ctx *, int),
 465                                    struct input_ctx *ctx)
 466 {
 467     stream_check_interrupt_cb = cb;
 468     stream_check_interrupt_ctx = ctx;
 469 }
 470
 471 int stream_check_interrupt(int time) {
 472     if(!stream_check_interrupt_cb) return 0;
 473     return stream_check_interrupt_cb(stream_check_interrupt_ctx, time);
 474 }