stream/asf_streaming.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <unistd.h>
  23 #include <errno.h>
  24 #include <limits.h>
  25
  26 #include "config.h"
  27 #include "mp_msg.h"
  28 #include "options.h"
  29
  30 #if HAVE_WINSOCK2_H
  31 #include <winsock2.h>
  32 #endif
  33
  34 #include "url.h"
  35 #include "http.h"
  36 #include "libmpdemux/asf.h"
  37
  38 #include "stream.h"
  39 #include "libmpdemux/demuxer.h"
  40 #include "asf_mmst_streaming.h"
  41 #include "network.h"
  42 #include "tcp.h"
  43
  44 #include "ffmpeg_files/intreadwrite.h"
  45
  46 #include "libmpdemux/asfguid.h"
  47
  48 extern int network_bandwidth;
  49
  50 static int asf_http_streaming_start(stream_t *stream, int *demuxer_type);
  51
  52 static int asf_read_wrapper(int fd, void *buffer, int len, streaming_ctrl_t *stream_ctrl) {
  53     uint8_t *buf = buffer;
  54     while (len > 0) {
  55         int got = nop_streaming_read(fd, buf, len, stream_ctrl);
  56         if (got <= 0) {
  57             mp_tmsg(MSGT_NETWORK, MSGL_ERR, "Error while reading network stream.\n");
  58             return got;
  59         }
  60         buf += got;
  61         len -= got;
  62     }
  63     return 1;
  64 }
  65
  66 // We can try several protocol for asf streaming
  67 // * first the UDP protcol, if there is a firewall, UDP
  68 //   packets will not come back, so the mmsu will fail.
  69 // * Then we can try TCP, but if there is a proxy for
  70 //   internet connection, the TCP connection will not get
  71 //   through
  72 // * Then we can try HTTP.
  73 //
  74 // Note: Using  WMP sequence  MMSU then MMST and then HTTP.
  75
  76 static int asf_streaming_start( stream_t *stream, int *demuxer_type) {
  77     char *proto = stream->streaming_ctrl->url->protocol;
  78     int fd = -1;
  79     int port = stream->streaming_ctrl->url->port;
  80
  81     // Is protocol mms or mmsu?
  82     if (!strcasecmp(proto, "mmsu") || !strcasecmp(proto, "mms"))
  83     {
  84                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/UDP...\n");
  85                 //fd = asf_mmsu_streaming_start( stream );
  86                 if( fd>-1 ) return fd; //mmsu support is not implemented yet - using this code
  87                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/UDP failed\n");
  88                 if( fd==-2 ) return -1;
  89         }
  90
  91     //Is protocol mms or mmst?
  92     if (!strcasecmp(proto, "mmst") || !strcasecmp(proto, "mms"))
  93     {
  94                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/TCP...\n");
  95                 fd = asf_mmst_streaming_start( stream );
  96                 stream->streaming_ctrl->url->port = port;
  97                 if( fd>-1 ) return fd;
  98                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/TCP failed\n");
  99                 if( fd==-2 ) return -1;
 100         }
 101
 102     //Is protocol http, http_proxy, or mms?
 103     if (!strcasecmp(proto, "http_proxy") || !strcasecmp(proto, "http") ||
 104         !strcasecmp(proto, "mms") || !strcasecmp(proto, "mmsh") ||
 105         !strcasecmp(proto, "mmshttp"))
 106     {
 107                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/HTTP...\n");
 108                 fd = asf_http_streaming_start( stream, demuxer_type );
 109                 stream->streaming_ctrl->url->port = port;
 110                 if( fd>-1 ) return fd;
 111                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/HTTP failed\n");
 112                 if( fd==-2 ) return -1;
 113         }
 114
 115     //everything failed
 116         return -1;
 117 }
 118
 119 static int asf_streaming(ASF_stream_chunck_t *stream_chunck, int *drop_packet ) {
 120 /*
 121 printf("ASF stream chunck size=%d\n", stream_chunck->size);
 122 printf("length: %d\n", length );
 123 printf("0x%02X\n", stream_chunck->type );
 124 */
 125         if( drop_packet!=NULL ) *drop_packet = 0;
 126
 127         if( stream_chunck->size<8 ) {
 128                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Ahhhh, stream_chunck size is too small: %d\n", stream_chunck->size);
 129                 return -1;
 130         }
 131         if( stream_chunck->size!=stream_chunck->size_confirm ) {
 132                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"size_confirm mismatch!: %d %d\n", stream_chunck->size, stream_chunck->size_confirm);
 133                 return -1;
 134         }
 135 /*
 136         printf("  type: 0x%02X\n", stream_chunck->type );
 137         printf("  size: %d (0x%02X)\n", stream_chunck->size, stream_chunck->size );
 138         printf("  sequence_number: 0x%04X\n", stream_chunck->sequence_number );
 139         printf("  unknown: 0x%02X\n", stream_chunck->unknown );
 140         printf("  size_confirm: 0x%02X\n", stream_chunck->size_confirm );
 141 */
 142         switch(stream_chunck->type) {
 143                 case ASF_STREAMING_CLEAR:       // $C   Clear ASF configuration
 144                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Clearing ASF stream configuration!\n");
 145                         if( drop_packet!=NULL ) *drop_packet = 1;
 146                         return stream_chunck->size;
 147                         break;
 148                 case ASF_STREAMING_DATA:        // $D   Data follows
 149 //                      printf("=====> Data follows\n");
 150                         break;
 151                 case ASF_STREAMING_END_TRANS:   // $E   Transfer complete
 152                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Transfer complete\n");
 153                         if( drop_packet!=NULL ) *drop_packet = 1;
 154                         return stream_chunck->size;
 155                         break;
 156                 case ASF_STREAMING_HEADER:      // $H   ASF header chunk follows
 157                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF header chunk follows\n");
 158                         break;
 159                 default:
 160                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Unknown stream type 0x%x\n", stream_chunck->type );
 161         }
 162         return stream_chunck->size+4;
 163 }
 164
 165 static void close_s(stream_t *stream) {
 166         closesocket(stream->fd);
 167         stream->fd=-1;
 168 }
 169
 170 static int max_idx(int s_count, int *s_rates, int bound) {
 171   int i, best = -1, rate = -1;
 172   for (i = 0; i < s_count; i++) {
 173     if (s_rates[i] > rate && s_rates[i] <= bound) {
 174       rate = s_rates[i];
 175       best = i;
 176     }
 177   }
 178   return best;
 179 }
 180
 181 static int asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
 182   ASF_stream_chunck_t chunk;
 183   asf_http_streaming_ctrl_t* asf_ctrl = streaming_ctrl->data;
 184   char* buffer=NULL, *chunk_buffer=NULL;
 185   int i,r,size,pos = 0;
 186   int start;
 187   int buffer_size = 0;
 188   int chunk_size2read = 0;
 189   int bw = streaming_ctrl->bandwidth;
 190   int *v_rates = NULL, *a_rates = NULL;
 191   int v_rate = 0, a_rate = 0, a_idx = -1, v_idx = -1;
 192
 193   if(asf_ctrl == NULL) return -1;
 194
 195         // The ASF header can be in several network chunks. For example if the content description
 196         // is big, the ASF header will be split in 2 network chunk.
 197         // So we need to retrieve all the chunk before starting to parse the header.
 198   do {
 199           if (asf_read_wrapper(fd, &chunk, sizeof(ASF_stream_chunck_t), streaming_ctrl) <= 0)
 200             return -1;
 201           // Endian handling of the stream chunk
 202           le2me_ASF_stream_chunck_t(&chunk);
 203           size = asf_streaming( &chunk, &r) - sizeof(ASF_stream_chunck_t);
 204           if(r) mp_tmsg(MSGT_NETWORK,MSGL_WARN,"Warning: drop header ????\n");
 205           if(size < 0){
 206             mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while parsing chunk header\n");
 207                 return -1;
 208           }
 209           if (chunk.type != ASF_STREAMING_HEADER) {
 210             mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Didn't get a header as first chunk !!!!\n");
 211             return -1;
 212           }
 213
 214           // audit: do not overflow buffer_size
 215           if (size > SIZE_MAX - buffer_size) return -1;
 216           buffer = malloc(size+buffer_size);
 217           if(buffer == NULL) {
 218             mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Error: Can't allocate %d bytes buffer.\n",size+buffer_size);
 219             return -1;
 220           }
 221           if( chunk_buffer!=NULL ) {
 222                 memcpy( buffer, chunk_buffer, buffer_size );
 223                 free( chunk_buffer );
 224           }
 225           chunk_buffer = buffer;
 226           buffer += buffer_size;
 227           buffer_size += size;
 228
 229           if (asf_read_wrapper(fd, buffer, size, streaming_ctrl) <= 0)
 230             return -1;
 231
 232           if( chunk_size2read==0 ) {
 233                 ASF_header_t *asfh = (ASF_header_t *)buffer;
 234                 if(size < (int)sizeof(ASF_header_t)) {
 235                     mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error: Chunk is too small.\n");
 236                     return -1;
 237                 } else mp_msg(MSGT_NETWORK,MSGL_DBG2,"Got chunk\n");
 238                 chunk_size2read = AV_RL64(&asfh->objh.size);
 239                 mp_msg(MSGT_NETWORK,MSGL_DBG2,"Size 2 read=%d\n", chunk_size2read);
 240           }
 241   } while( buffer_size<chunk_size2read);
 242   buffer = chunk_buffer;
 243   size = buffer_size;
 244
 245   start = sizeof(ASF_header_t);
 246
 247   pos = find_asf_guid(buffer, asf_file_header_guid, start, size);
 248   if (pos >= 0) {
 249     ASF_file_header_t *fileh = (ASF_file_header_t *) &buffer[pos];
 250     pos += sizeof(ASF_file_header_t);
 251     if (pos > size) goto len_err_out;
 252 /*
 253       if(fileh.packetsize != fileh.packetsize2) {
 254         printf("Error packetsize check don't match\n");
 255         return -1;
 256       }
 257 */
 258       asf_ctrl->packet_size = AV_RL32(&fileh->max_packet_size);
 259       // before playing.
 260       // preroll: time in ms to bufferize before playing
 261       streaming_ctrl->prebuffer_size = (unsigned int)(((double)fileh->preroll/1000.0)*((double)fileh->max_bitrate/8.0));
 262   }
 263
 264   pos = start;
 265   while ((pos = find_asf_guid(buffer, asf_stream_header_guid, pos, size)) >= 0)
 266   {
 267     ASF_stream_header_t *streamh = (ASF_stream_header_t *)&buffer[pos];
 268     pos += sizeof(ASF_stream_header_t);
 269     if (pos > size) goto len_err_out;
 270       switch(ASF_LOAD_GUID_PREFIX(streamh->type)) {
 271       case 0xF8699E40 : // audio stream
 272         if(asf_ctrl->audio_streams == NULL){
 273           asf_ctrl->audio_streams = malloc(sizeof(int));
 274           asf_ctrl->n_audio = 1;
 275         } else {
 276           asf_ctrl->n_audio++;
 277           asf_ctrl->audio_streams = realloc(asf_ctrl->audio_streams,
 278                                                      asf_ctrl->n_audio*sizeof(int));
 279         }
 280         asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = AV_RL16(&streamh->stream_no);
 281         break;
 282       case 0xBC19EFC0 : // video stream
 283         if(asf_ctrl->video_streams == NULL){
 284           asf_ctrl->video_streams = malloc(sizeof(int));
 285           asf_ctrl->n_video = 1;
 286         } else {
 287           asf_ctrl->n_video++;
 288           asf_ctrl->video_streams = realloc(asf_ctrl->video_streams,
 289                                                      asf_ctrl->n_video*sizeof(int));
 290         }
 291         asf_ctrl->video_streams[asf_ctrl->n_video-1] = AV_RL16(&streamh->stream_no);
 292         break;
 293       }
 294   }
 295
 296   // always allocate to avoid lots of ifs later
 297   v_rates = calloc(asf_ctrl->n_video, sizeof(int));
 298   a_rates = calloc(asf_ctrl->n_audio, sizeof(int));
 299
 300   pos = find_asf_guid(buffer, asf_stream_group_guid, start, size);
 301   if (pos >= 0) {
 302     // stream bitrate properties object
 303         int stream_count;
 304         char *ptr = &buffer[pos];
 305         char *end = &buffer[size];
 306
 307         mp_msg(MSGT_NETWORK, MSGL_V, "Stream bitrate properties object\n");
 308                 if (ptr + 2 > end) goto len_err_out;
 309                 stream_count = AV_RL16(ptr);
 310                 ptr += 2;
 311                 mp_msg(MSGT_NETWORK, MSGL_V, " stream count=[0x%x][%u]\n",
 312                         stream_count, stream_count );
 313                 for( i=0 ; i<stream_count ; i++ ) {
 314                         uint32_t rate;
 315                         int id;
 316                         int j;
 317                         if (ptr + 6 > end) goto len_err_out;
 318                         id = AV_RL16(ptr);
 319                         ptr += 2;
 320                         rate = AV_RL32(ptr);
 321                         ptr += 4;
 322                         mp_msg(MSGT_NETWORK, MSGL_V,
 323                                 "  stream id=[0x%x][%u]\n", id, id);
 324                         mp_msg(MSGT_NETWORK, MSGL_V,
 325                                 "  max bitrate=[0x%x][%u]\n", rate, rate);
 326                         for (j = 0; j < asf_ctrl->n_video; j++) {
 327                           if (id == asf_ctrl->video_streams[j]) {
 328                             mp_msg(MSGT_NETWORK, MSGL_V, "  is video stream\n");
 329                             v_rates[j] = rate;
 330                             break;
 331                           }
 332                         }
 333                         for (j = 0; j < asf_ctrl->n_audio; j++) {
 334                           if (id == asf_ctrl->audio_streams[j]) {
 335                             mp_msg(MSGT_NETWORK, MSGL_V, "  is audio stream\n");
 336                             a_rates[j] = rate;
 337                             break;
 338                           }
 339                         }
 340                 }
 341   }
 342   free(buffer);
 343
 344   // automatic stream selection based on bandwidth
 345   if (bw == 0) bw = INT_MAX;
 346   mp_msg(MSGT_NETWORK, MSGL_V, "Max bandwidth set to %d\n", bw);
 347
 348   if (asf_ctrl->n_audio) {
 349     // find lowest-bitrate audio stream
 350     a_rate = a_rates[0];
 351     a_idx = 0;
 352     for (i = 0; i < asf_ctrl->n_audio; i++) {
 353       if (a_rates[i] < a_rate) {
 354         a_rate = a_rates[i];
 355         a_idx = i;
 356       }
 357     }
 358     if (max_idx(asf_ctrl->n_video, v_rates, bw - a_rate) < 0) {
 359       // both audio and video are not possible, try video only next
 360       a_idx = -1;
 361       a_rate = 0;
 362     }
 363   }
 364   // find best video stream
 365   v_idx = max_idx(asf_ctrl->n_video, v_rates, bw - a_rate);
 366   if (v_idx >= 0)
 367     v_rate = v_rates[v_idx];
 368
 369   // find best audio stream
 370   a_idx = max_idx(asf_ctrl->n_audio, a_rates, bw - v_rate);
 371
 372   free(v_rates);
 373   free(a_rates);
 374
 375   if (a_idx < 0 && v_idx < 0) {
 376     mp_tmsg(MSGT_NETWORK, MSGL_FATAL, "Bandwidth too small, file cannot be played!\n");
 377     return -1;
 378   }
 379
 380   if (*streaming_ctrl->audio_id_ptr > 0)
 381     // a audio stream was forced
 382     asf_ctrl->audio_id = *streaming_ctrl->audio_id_ptr;
 383   else if (a_idx >= 0)
 384     asf_ctrl->audio_id = asf_ctrl->audio_streams[a_idx];
 385   else if (asf_ctrl->n_audio) {
 386     mp_tmsg(MSGT_NETWORK, MSGL_WARN, "Bandwidth too small, deselected audio stream.\n");
 387     *streaming_ctrl->audio_id_ptr = -2;
 388   }
 389
 390   if (*streaming_ctrl->video_id_ptr > 0)
 391     // a video stream was forced
 392     asf_ctrl->video_id = *streaming_ctrl->video_id_ptr;
 393   else if (v_idx >= 0)
 394     asf_ctrl->video_id = asf_ctrl->video_streams[v_idx];
 395   else if (asf_ctrl->n_video) {
 396     mp_tmsg(MSGT_NETWORK, MSGL_WARN, "Bandwidth too small, deselected video stream.\n");
 397     *streaming_ctrl->video_id_ptr = -2;
 398   }
 399
 400   return 1;
 401
 402 len_err_out:
 403   mp_tmsg(MSGT_NETWORK, MSGL_FATAL, "Invalid length in ASF header!\n");
 404   if (buffer) free(buffer);
 405   if (v_rates) free(v_rates);
 406   if (a_rates) free(a_rates);
 407   return -1;
 408 }
 409
 410 static int asf_http_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *streaming_ctrl ) {
 411   static ASF_stream_chunck_t chunk;
 412   int read,chunk_size = 0;
 413   static int rest = 0, drop_chunk = 0, waiting = 0;
 414   asf_http_streaming_ctrl_t *asf_http_ctrl = (asf_http_streaming_ctrl_t*)streaming_ctrl->data;
 415
 416   while(1) {
 417     if (rest == 0 && waiting == 0) {
 418       if (asf_read_wrapper(fd, &chunk, sizeof(ASF_stream_chunck_t), streaming_ctrl) <= 0)
 419         return -1;
 420
 421       // Endian handling of the stream chunk
 422       le2me_ASF_stream_chunck_t(&chunk);
 423       chunk_size = asf_streaming( &chunk, &drop_chunk );
 424       if(chunk_size < 0) {
 425         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while parsing chunk header\n");
 426         return -1;
 427       }
 428       chunk_size -= sizeof(ASF_stream_chunck_t);
 429
 430       if(chunk.type != ASF_STREAMING_HEADER && (!drop_chunk)) {
 431         if (asf_http_ctrl->packet_size < chunk_size) {
 432           mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error: chunk_size > packet_size\n");
 433           return -1;
 434         }
 435         waiting = asf_http_ctrl->packet_size;
 436       } else {
 437         waiting = chunk_size;
 438       }
 439
 440     } else if (rest){
 441       chunk_size = rest;
 442       rest = 0;
 443     }
 444
 445     read = 0;
 446     if ( waiting >= chunk_size) {
 447       if (chunk_size > size){
 448         rest = chunk_size - size;
 449         chunk_size = size;
 450       }
 451       if (asf_read_wrapper(fd, buffer, chunk_size, streaming_ctrl) <= 0)
 452         return -1;
 453       read = chunk_size;
 454       waiting -= read;
 455       if (drop_chunk) continue;
 456     }
 457     if (rest == 0 && waiting > 0 && size-read > 0) {
 458       int s = FFMIN(waiting,size-read);
 459       memset(buffer+read,0,s);
 460       waiting -= s;
 461       read += s;
 462     }
 463     break;
 464   }
 465
 466   return read;
 467 }
 468
 469 static int asf_http_streaming_seek( int fd, off_t pos, streaming_ctrl_t *streaming_ctrl ) {
 470         return -1;
 471         // to shut up gcc warning
 472         fd++;
 473         pos++;
 474         streaming_ctrl=NULL;
 475 }
 476
 477 static int asf_header_check( HTTP_header_t *http_hdr ) {
 478         ASF_obj_header_t *objh;
 479         if( http_hdr==NULL ) return -1;
 480         if( http_hdr->body==NULL || http_hdr->body_size<sizeof(ASF_obj_header_t) ) return -1;
 481
 482         objh = (ASF_obj_header_t*)http_hdr->body;
 483         if( ASF_LOAD_GUID_PREFIX(objh->guid)==0x75B22630 ) return 0;
 484         return -1;
 485 }
 486
 487 static int asf_http_streaming_type(char *content_type, char *features, HTTP_header_t *http_hdr ) {
 488         if( content_type==NULL ) return ASF_Unknown_e;
 489         if(     !strcasecmp(content_type, "application/octet-stream") ||
 490                 !strcasecmp(content_type, "application/vnd.ms.wms-hdr.asfv1") ||        // New in Corona, first request
 491                 !strcasecmp(content_type, "application/x-mms-framed") ||                // New in Corana, second request
 492                 !strcasecmp(content_type, "video/x-ms-wmv") ||
 493                 !strcasecmp(content_type, "video/x-ms-asf")) {
 494
 495                 if( strstr(features, "broadcast") ) {
 496                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Live stream\n");
 497                         return ASF_Live_e;
 498                 } else {
 499                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Prerecorded\n");
 500                         return ASF_Prerecorded_e;
 501                 }
 502         } else {
 503                 // Ok in a perfect world, web servers should be well configured
 504                 // so we could used mime type to know the stream type,
 505                 // but guess what? All of them are not well configured.
 506                 // So we have to check for an asf header :(, but it works :p
 507                 if( http_hdr->body_size>sizeof(ASF_obj_header_t) ) {
 508                         if( asf_header_check( http_hdr )==0 ) {
 509                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Plain text\n");
 510                                 return ASF_PlainText_e;
 511                         } else if( (!strcasecmp(content_type, "text/html")) ) {
 512                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> HTML, MPlayer is not a browser...yet!\n");
 513                                 return ASF_Unknown_e;
 514                         } else {
 515                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Redirector\n");
 516                                 return ASF_Redirector_e;
 517                         }
 518                 } else {
 519                         if(     (!strcasecmp(content_type, "audio/x-ms-wax")) ||
 520                                 (!strcasecmp(content_type, "audio/x-ms-wma")) ||
 521                                 (!strcasecmp(content_type, "video/x-ms-asf")) ||
 522                                 (!strcasecmp(content_type, "video/x-ms-afs")) ||
 523                                 (!strcasecmp(content_type, "video/x-ms-wmv")) ||
 524                                 (!strcasecmp(content_type, "video/x-ms-wma")) ) {
 525                                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"=====> ASF Redirector\n");
 526                                 return ASF_Redirector_e;
 527                         } else if( !strcasecmp(content_type, "text/plain") ) {
 528                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Plain text\n");
 529                                 return ASF_PlainText_e;
 530                         } else {
 531                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF unknown content-type: %s\n", content_type );
 532                                 return ASF_Unknown_e;
 533                         }
 534                 }
 535         }
 536         return ASF_Unknown_e;
 537 }
 538
 539 static HTTP_header_t *asf_http_request(streaming_ctrl_t *streaming_ctrl) {
 540         HTTP_header_t *http_hdr;
 541         URL_t *url = NULL;
 542         URL_t *server_url = NULL;
 543         asf_http_streaming_ctrl_t *asf_http_ctrl;
 544         char str[250];
 545         char *ptr;
 546         int i, enable;
 547
 548         int offset_hi=0, offset_lo=0, length=0;
 549         int asf_nb_stream=0, stream_id;
 550
 551         // Sanity check
 552         if( streaming_ctrl==NULL ) return NULL;
 553         url = streaming_ctrl->url;
 554         asf_http_ctrl = (asf_http_streaming_ctrl_t*)streaming_ctrl->data;
 555         if( url==NULL || asf_http_ctrl==NULL ) return NULL;
 556
 557         // Common header for all requests.
 558         http_hdr = http_new_header();
 559         http_set_field( http_hdr, "Accept: */*" );
 560         http_set_field( http_hdr, "User-Agent: NSPlayer/4.1.0.3856" );
 561         http_add_basic_authentication( http_hdr, url->username, url->password );
 562
 563         // Check if we are using a proxy
 564         if( !strcasecmp( url->protocol, "http_proxy" ) ) {
 565                 server_url = url_new( (url->file)+1 );
 566                 if( server_url==NULL ) {
 567                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"invalid proxy URL\n");
 568                         http_free( http_hdr );
 569                         return NULL;
 570                 }
 571                 http_set_uri( http_hdr, server_url->url );
 572                 sprintf( str, "Host: %.220s:%d", server_url->hostname, server_url->port );
 573                 url_free( server_url );
 574         } else {
 575                 http_set_uri( http_hdr, url->file );
 576                 sprintf( str, "Host: %.220s:%d", url->hostname, url->port );
 577         }
 578
 579         http_set_field( http_hdr, str );
 580         http_set_field( http_hdr, "Pragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}" );
 581         sprintf(str,
 582                 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=%u",
 583                 offset_hi, offset_lo, asf_http_ctrl->request, length );
 584         http_set_field( http_hdr, str );
 585
 586         switch( asf_http_ctrl->streaming_type ) {
 587                 case ASF_Live_e:
 588                 case ASF_Prerecorded_e:
 589                         http_set_field( http_hdr, "Pragma: xPlayStrm=1" );
 590                         ptr = str;
 591                         ptr += sprintf( ptr, "Pragma: stream-switch-entry=");
 592                         if(asf_http_ctrl->n_audio > 0) {
 593                                 for( i=0; i<asf_http_ctrl->n_audio ; i++ ) {
 594                                         stream_id = asf_http_ctrl->audio_streams[i];
 595                                         if(stream_id == asf_http_ctrl->audio_id) {
 596                                                 enable = 0;
 597                                         } else {
 598                                                 enable = 2;
 599                                                 continue;
 600                                         }
 601                                         asf_nb_stream++;
 602                                         ptr += sprintf(ptr, "ffff:%x:%d ", stream_id, enable);
 603                                 }
 604                         }
 605                         if(asf_http_ctrl->n_video > 0) {
 606                                 for( i=0; i<asf_http_ctrl->n_video ; i++ ) {
 607                                         stream_id = asf_http_ctrl->video_streams[i];
 608                                         if(stream_id == asf_http_ctrl->video_id) {
 609                                                 enable = 0;
 610                                         } else {
 611                                                 enable = 2;
 612                                                 continue;
 613                                         }
 614                                         asf_nb_stream++;
 615                                         ptr += sprintf(ptr, "ffff:%x:%d ", stream_id, enable);
 616                                 }
 617                         }
 618                         http_set_field( http_hdr, str );
 619                         sprintf( str, "Pragma: stream-switch-count=%d", asf_nb_stream );
 620                         http_set_field( http_hdr, str );
 621                         break;
 622                 case ASF_Redirector_e:
 623                         break;
 624                 case ASF_Unknown_e:
 625                         // First request goes here.
 626                         break;
 627                 default:
 628                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"unknown ASF stream type\n");
 629         }
 630
 631         http_set_field( http_hdr, "Connection: Close" );
 632         http_build_request( http_hdr );
 633
 634         return http_hdr;
 635 }
 636
 637 static int asf_http_parse_response(asf_http_streaming_ctrl_t *asf_http_ctrl, HTTP_header_t *http_hdr ) {
 638         char *content_type, *pragma;
 639         char features[64] = "\0";
 640         size_t len;
 641         if( http_response_parse(http_hdr)<0 ) {
 642                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Failed to parse HTTP response.\n");
 643                 return -1;
 644         }
 645         switch( http_hdr->status_code ) {
 646                 case 200:
 647                         break;
 648                 case 401: // Authentication required
 649                         return ASF_Authenticate_e;
 650                 default:
 651                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Server returned %d:%s\n", http_hdr->status_code, http_hdr->reason_phrase);
 652                         return -1;
 653         }
 654
 655         content_type = http_get_field( http_hdr, "Content-Type");
 656 //printf("Content-Type: [%s]\n", content_type);
 657
 658         pragma = http_get_field( http_hdr, "Pragma");
 659         while( pragma!=NULL ) {
 660                 char *comma_ptr=NULL;
 661                 char *end;
 662 //printf("Pragma: [%s]\n", pragma );
 663                 // The pragma line can get severals attributes
 664                 // separeted with a comma ','.
 665                 do {
 666                         if( !strncasecmp( pragma, "features=", 9) ) {
 667                                 pragma += 9;
 668                                 end = strstr( pragma, "," );
 669                                 if( end==NULL ) {
 670                                   len = strlen(pragma);
 671                                 } else {
 672                                   len = (unsigned int)(end-pragma);
 673                                 }
 674                                 if(len > sizeof(features) - 1) {
 675                                   mp_tmsg(MSGT_NETWORK,MSGL_WARN,"ASF HTTP PARSE WARNING : Pragma %s cut from %zd bytes to %d\n",pragma,len,sizeof(features) - 1);
 676                                   len = sizeof(features) - 1;
 677                                 }
 678                                 strncpy( features, pragma, len );
 679                                 features[len]='\0';
 680                                 break;
 681                         }
 682                         comma_ptr = strstr( pragma, "," );
 683                         if( comma_ptr!=NULL ) {
 684                                 pragma = comma_ptr+1;
 685                                 if( pragma[0]==' ' ) pragma++;
 686                         }
 687                 } while( comma_ptr!=NULL );
 688                 pragma = http_get_next_field( http_hdr );
 689         }
 690         asf_http_ctrl->streaming_type = asf_http_streaming_type( content_type, features, http_hdr );
 691         return 0;
 692 }
 693
 694 static int asf_http_streaming_start( stream_t *stream, int *demuxer_type ) {
 695         HTTP_header_t *http_hdr=NULL;
 696         URL_t *url = stream->streaming_ctrl->url;
 697         asf_http_streaming_ctrl_t *asf_http_ctrl;
 698         char buffer[BUFFER_SIZE];
 699         int i, ret;
 700         int fd = stream->fd;
 701         int done;
 702         int auth_retry = 0;
 703
 704         asf_http_ctrl = malloc(sizeof(asf_http_streaming_ctrl_t));
 705         if( asf_http_ctrl==NULL ) {
 706                 mp_tmsg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed.\n");
 707                 return -1;
 708         }
 709         asf_http_ctrl->streaming_type = ASF_Unknown_e;
 710         asf_http_ctrl->request = 1;
 711         asf_http_ctrl->audio_streams = asf_http_ctrl->video_streams = NULL;
 712         asf_http_ctrl->n_audio = asf_http_ctrl->n_video = 0;
 713         stream->streaming_ctrl->data = (void*)asf_http_ctrl;
 714
 715         do {
 716                 done = 1;
 717                 if( fd>0 ) closesocket( fd );
 718
 719                 if( !strcasecmp( url->protocol, "http_proxy" ) ) {
 720                         if( url->port==0 ) url->port = 8080;
 721                 } else {
 722                         if( url->port==0 ) url->port = 80;
 723                 }
 724                 fd = connect2Server( url->hostname, url->port, 1);
 725                 if( fd<0 ) return fd;
 726
 727                 http_hdr = asf_http_request( stream->streaming_ctrl );
 728                 mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request [%s]\n", http_hdr->buffer );
 729                 for(i=0; i < (int)http_hdr->buffer_size ; ) {
 730                         int r = send( fd, http_hdr->buffer+i, http_hdr->buffer_size-i, DEFAULT_SEND_FLAGS );
 731                         if(r <0) {
 732                                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"socket write error: %s\n",strerror(errno));
 733                                 goto err_out;
 734                         }
 735                         i += r;
 736                 }
 737                 http_free( http_hdr );
 738                 http_hdr = http_new_header();
 739                 do {
 740                         i = recv( fd, buffer, BUFFER_SIZE, 0 );
 741 //printf("read: %d\n", i );
 742                         if( i<=0 ) {
 743                                 perror("read");
 744                                 goto err_out;
 745                         }
 746                         http_response_append( http_hdr, buffer, i );
 747                 } while( !http_is_header_entire( http_hdr ) );
 748                 if( mp_msg_test(MSGT_NETWORK,MSGL_V) ) {
 749                         http_hdr->buffer[http_hdr->buffer_size]='\0';
 750                         mp_msg(MSGT_NETWORK,MSGL_DBG2,"Response [%s]\n", http_hdr->buffer );
 751                 }
 752                 ret = asf_http_parse_response(asf_http_ctrl, http_hdr);
 753                 if( ret<0 ) {
 754                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Failed to parse header.\n");
 755                         goto err_out;
 756                 }
 757                 switch( asf_http_ctrl->streaming_type ) {
 758                         case ASF_Live_e:
 759                         case ASF_Prerecorded_e:
 760                         case ASF_PlainText_e:
 761                                 if( http_hdr->body_size>0 ) {
 762                                         if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 763                                                 goto err_out;
 764                                         }
 765                                 }
 766                                 if( asf_http_ctrl->request==1 ) {
 767                                         if( asf_http_ctrl->streaming_type!=ASF_PlainText_e ) {
 768                                                 // First request, we only got the ASF header.
 769                                                 ret = asf_streaming_parse_header(fd,stream->streaming_ctrl);
 770                                                 if(ret < 0) goto err_out;
 771                                                 if(asf_http_ctrl->n_audio == 0 && asf_http_ctrl->n_video == 0) {
 772                                                         mp_tmsg(MSGT_NETWORK,MSGL_ERR,"No stream found.\n");
 773                                                         goto err_out;
 774                                                 }
 775                                                 asf_http_ctrl->request++;
 776                                                 done = 0;
 777                                         } else {
 778                                                 done = 1;
 779                                         }
 780                                 }
 781                                 break;
 782                         case ASF_Redirector_e:
 783                                 if( http_hdr->body_size>0 ) {
 784                                         if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 785                                                 goto err_out;
 786                                         }
 787                                 }
 788                                 *demuxer_type = DEMUXER_TYPE_PLAYLIST;
 789                                 done = 1;
 790                                 break;
 791                         case ASF_Authenticate_e:
 792                                 if( http_authenticate( http_hdr, url, &auth_retry)<0 ) return -1;
 793                                 asf_http_ctrl->streaming_type = ASF_Unknown_e;
 794                                 done = 0;
 795                                 break;
 796                         case ASF_Unknown_e:
 797                         default:
 798                                 mp_tmsg(MSGT_NETWORK,MSGL_ERR,"unknown ASF streaming type\n");
 799                                 goto err_out;
 800                 }
 801         // Check if we got a redirect.
 802         } while(!done);
 803
 804         stream->fd = fd;
 805         if( asf_http_ctrl->streaming_type==ASF_PlainText_e || asf_http_ctrl->streaming_type==ASF_Redirector_e ) {
 806                 stream->streaming_ctrl->streaming_read = nop_streaming_read;
 807                 stream->streaming_ctrl->streaming_seek = nop_streaming_seek;
 808         } else {
 809                 stream->streaming_ctrl->streaming_read = asf_http_streaming_read;
 810                 stream->streaming_ctrl->streaming_seek = asf_http_streaming_seek;
 811                 stream->streaming_ctrl->buffering = 1;
 812         }
 813         stream->streaming_ctrl->status = streaming_playing_e;
 814         stream->close = close_s;
 815
 816         http_free( http_hdr );
 817         return 0;
 818
 819 err_out:
 820         if (fd > 0)
 821                 closesocket(fd);
 822         stream->fd = -1;
 823         http_free(http_hdr);
 824         return -1;
 825 }
 826
 827 static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
 828         URL_t *url;
 829
 830         stream->streaming_ctrl = streaming_ctrl_new();
 831         if( stream->streaming_ctrl==NULL ) {
 832                 return STREAM_ERROR;
 833         }
 834         stream->streaming_ctrl->audio_id_ptr = &stream->opts->audio_id;
 835         stream->streaming_ctrl->video_id_ptr = &stream->opts->video_id;
 836         stream->streaming_ctrl->bandwidth = network_bandwidth;
 837         url = url_new(stream->url);
 838         stream->streaming_ctrl->url = check4proxies(url);
 839         url_free(url);
 840
 841         mp_tmsg(MSGT_OPEN, MSGL_INFO, "STREAM_ASF, URL: %s\n", stream->url);
 842         if((!strncmp(stream->url, "http", 4)) && (*file_format!=DEMUXER_TYPE_ASF && *file_format!=DEMUXER_TYPE_UNKNOWN)) {
 843                 streaming_ctrl_free(stream->streaming_ctrl);
 844                 stream->streaming_ctrl = NULL;
 845                 return STREAM_UNSUPPORTED;
 846         }
 847
 848         if(asf_streaming_start(stream, file_format) < 0) {
 849                 mp_tmsg(MSGT_OPEN, MSGL_ERR, "Failed, exiting.\n");
 850                 streaming_ctrl_free(stream->streaming_ctrl);
 851                 stream->streaming_ctrl = NULL;
 852                 return STREAM_UNSUPPORTED;
 853         }
 854
 855         if (*file_format != DEMUXER_TYPE_PLAYLIST)
 856                 *file_format = DEMUXER_TYPE_ASF;
 857         stream->type = STREAMTYPE_STREAM;
 858         fixup_network_stream_cache(stream);
 859         return STREAM_OK;
 860 }
 861
 862 const stream_info_t stream_info_asf = {
 863   "mms and mms over http streaming",
 864   "null",
 865   "Bertrand, Reimar Doeffinger, Albeu",
 866   "originally based on work by Majormms (is that code still there?)",
 867   open_s,
 868   {"mms", "mmsu", "mmst", "http", "http_proxy", "mmsh", "mmshttp", NULL},
 869   NULL,
 870   0 // Urls are an option string
 871 };