libmpdemux/asf_streaming.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <errno.h>
   6 #include <limits.h>
   7
   8 #include "config.h"
   9 #include "mp_msg.h"
  10 #include "help_mp.h"
  11
  12 #ifndef HAVE_WINSOCK2
  13 #define closesocket close
  14 #else
  15 #include <winsock2.h>
  16 #endif
  17
  18 #include "url.h"
  19 #include "http.h"
  20 #include "asf.h"
  21
  22 #include "stream.h"
  23 #include "demuxer.h"
  24
  25 #include "network.h"
  26
  27 #ifdef ARCH_X86
  28 #define ASF_LOAD_GUID_PREFIX(guid)      (*(uint32_t *)(guid))
  29 #else
  30 #define ASF_LOAD_GUID_PREFIX(guid)      \
  31         ((guid)[3] << 24 | (guid)[2] << 16 | (guid)[1] << 8 | (guid)[0])
  32 #endif
  33
  34 extern int network_bandwidth;
  35
  36 int asf_mmst_streaming_start( stream_t *stream );
  37 static int asf_http_streaming_start(stream_t *stream, int *demuxer_type);
  38
  39 // We can try several protocol for asf streaming
  40 // * first the UDP protcol, if there is a firewall, UDP
  41 //   packets will not come back, so the mmsu will fail.
  42 // * Then we can try TCP, but if there is a proxy for
  43 //   internet connection, the TCP connection will not get
  44 //   through
  45 // * Then we can try HTTP.
  46 //
  47 // Note: Using  WMP sequence  MMSU then MMST and then HTTP.
  48
  49 static int asf_streaming_start( stream_t *stream, int *demuxer_type) {
  50     char *proto = stream->streaming_ctrl->url->protocol;
  51     int fd = -1;
  52     int port = stream->streaming_ctrl->url->port;
  53
  54     // Is protocol mms or mmsu?
  55     if (!strcasecmp(proto, "mmsu") || !strcasecmp(proto, "mms"))
  56     {
  57                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/UDP...\n");
  58                 //fd = asf_mmsu_streaming_start( stream );
  59                 if( fd>-1 ) return fd; //mmsu support is not implemented yet - using this code
  60                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/UDP failed\n");
  61                 if( fd==-2 ) return -1;
  62         }
  63
  64     //Is protocol mms or mmst?
  65     if (!strcasecmp(proto, "mmst") || !strcasecmp(proto, "mms"))
  66     {
  67                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/TCP...\n");
  68                 fd = asf_mmst_streaming_start( stream );
  69                 stream->streaming_ctrl->url->port = port;
  70                 if( fd>-1 ) return fd;
  71                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/TCP failed\n");
  72                 if( fd==-2 ) return -1;
  73         }
  74
  75     //Is protocol http, http_proxy, or mms?
  76     if (!strcasecmp(proto, "http_proxy") || !strcasecmp(proto, "http") ||
  77         !strcasecmp(proto, "mms") || !strcasecmp(proto, "mmshttp"))
  78     {
  79                 mp_msg(MSGT_NETWORK,MSGL_V,"Trying ASF/HTTP...\n");
  80                 fd = asf_http_streaming_start( stream, demuxer_type );
  81                 stream->streaming_ctrl->url->port = port;
  82                 if( fd>-1 ) return fd;
  83                 mp_msg(MSGT_NETWORK,MSGL_V,"  ===> ASF/HTTP failed\n");
  84                 if( fd==-2 ) return -1;
  85         }
  86
  87     //everything failed
  88         return -1;
  89 }
  90
  91 static int asf_streaming(ASF_stream_chunck_t *stream_chunck, int *drop_packet ) {
  92 /*
  93 printf("ASF stream chunck size=%d\n", stream_chunck->size);
  94 printf("length: %d\n", length );
  95 printf("0x%02X\n", stream_chunck->type );
  96 */
  97         if( drop_packet!=NULL ) *drop_packet = 0;
  98
  99         if( stream_chunck->size<8 ) {
 100                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_StreamChunkSize2Small, stream_chunck->size);
 101                 return -1;
 102         }
 103         if( stream_chunck->size!=stream_chunck->size_confirm ) {
 104                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_SizeConfirmMismatch, stream_chunck->size, stream_chunck->size_confirm);
 105                 return -1;
 106         }
 107 /*
 108         printf("  type: 0x%02X\n", stream_chunck->type );
 109         printf("  size: %d (0x%02X)\n", stream_chunck->size, stream_chunck->size );
 110         printf("  sequence_number: 0x%04X\n", stream_chunck->sequence_number );
 111         printf("  unknown: 0x%02X\n", stream_chunck->unknown );
 112         printf("  size_confirm: 0x%02X\n", stream_chunck->size_confirm );
 113 */
 114         switch(stream_chunck->type) {
 115                 case ASF_STREAMING_CLEAR:       // $C   Clear ASF configuration
 116                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Clearing ASF stream configuration!\n");
 117                         if( drop_packet!=NULL ) *drop_packet = 1;
 118                         return stream_chunck->size;
 119                         break;
 120                 case ASF_STREAMING_DATA:        // $D   Data follows
 121 //                      printf("=====> Data follows\n");
 122                         break;
 123                 case ASF_STREAMING_END_TRANS:   // $E   Transfer complete
 124                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Transfer complete\n");
 125                         if( drop_packet!=NULL ) *drop_packet = 1;
 126                         return stream_chunck->size;
 127                         break;
 128                 case ASF_STREAMING_HEADER:      // $H   ASF header chunk follows
 129                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF header chunk follows\n");
 130                         break;
 131                 default:
 132                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> Unknown stream type 0x%x\n", stream_chunck->type );
 133         }
 134         return stream_chunck->size+4;
 135 }
 136
 137 extern int find_asf_guid(char *buf, const char *guid, int cur_pos, int buf_len);
 138 extern const char asf_file_header_guid[];
 139 extern const char asf_stream_header_guid[];
 140 extern const char asf_stream_group_guid[];
 141 extern int audio_id;
 142 extern int video_id;
 143
 144 static void close_s(stream_t *stream) {
 145         close(stream->fd);
 146         stream->fd=-1;
 147 }
 148
 149 static int max_idx(int s_count, int *s_rates, int bound) {
 150   int i, best = -1, rate = -1;
 151   for (i = 0; i < s_count; i++) {
 152     if (s_rates[i] > rate && s_rates[i] <= bound) {
 153       rate = s_rates[i];
 154       best = i;
 155     }
 156   }
 157   return best;
 158 }
 159
 160 static int asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
 161   ASF_header_t asfh;
 162   ASF_stream_chunck_t chunk;
 163   asf_http_streaming_ctrl_t* asf_ctrl = (asf_http_streaming_ctrl_t*) streaming_ctrl->data;
 164   char* buffer=NULL, *chunk_buffer=NULL;
 165   int i,r,size,pos = 0;
 166   int start;
 167   int buffer_size = 0;
 168   int chunk_size2read = 0;
 169   int bw = streaming_ctrl->bandwidth;
 170   int *v_rates = NULL, *a_rates = NULL;
 171   int v_rate = 0, a_rate = 0, a_idx = -1, v_idx = -1;
 172
 173   if(asf_ctrl == NULL) return -1;
 174
 175         // The ASF header can be in several network chunks. For example if the content description
 176         // is big, the ASF header will be split in 2 network chunk.
 177         // So we need to retrieve all the chunk before starting to parse the header.
 178   do {
 179           for( r=0; r < (int)sizeof(ASF_stream_chunck_t) ; ) {
 180                 i = nop_streaming_read(fd,((char*)&chunk)+r,sizeof(ASF_stream_chunck_t) - r,streaming_ctrl);
 181                 if(i <= 0) return -1;
 182                 r += i;
 183           }
 184           // Endian handling of the stream chunk
 185           le2me_ASF_stream_chunck_t(&chunk);
 186           size = asf_streaming( &chunk, &r) - sizeof(ASF_stream_chunck_t);
 187           if(r) mp_msg(MSGT_NETWORK,MSGL_WARN,MSGTR_MPDEMUX_ASF_WarnDropHeader);
 188           if(size < 0){
 189             mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrorParsingChunkHeader);
 190                 return -1;
 191           }
 192           if (chunk.type != ASF_STREAMING_HEADER) {
 193             mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_NoHeaderAtFirstChunk);
 194             return -1;
 195           }
 196
 197           buffer = (char*) malloc(size+buffer_size);
 198           if(buffer == NULL) {
 199             mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MPDEMUX_ASF_BufferMallocFailed,size+buffer_size);
 200             return -1;
 201           }
 202           if( chunk_buffer!=NULL ) {
 203                 memcpy( buffer, chunk_buffer, buffer_size );
 204                 free( chunk_buffer );
 205           }
 206           chunk_buffer = buffer;
 207           buffer += buffer_size;
 208           buffer_size += size;
 209
 210           for(r = 0; r < size;) {
 211             i = nop_streaming_read(fd,buffer+r,size-r,streaming_ctrl);
 212             if(i < 0) {
 213                     mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrReadingNetworkStream);
 214                     return -1;
 215             }
 216             r += i;
 217           }
 218
 219           if( chunk_size2read==0 ) {
 220                 if(size < (int)sizeof(asfh)) {
 221                     mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrChunk2Small);
 222                     return -1;
 223                 } else mp_msg(MSGT_NETWORK,MSGL_DBG2,"Got chunk\n");
 224                 memcpy(&asfh,buffer,sizeof(asfh));
 225                 le2me_ASF_header_t(&asfh);
 226                 chunk_size2read = asfh.objh.size;
 227                 mp_msg(MSGT_NETWORK,MSGL_DBG2,"Size 2 read=%d\n", chunk_size2read);
 228           }
 229   } while( buffer_size<chunk_size2read);
 230   buffer = chunk_buffer;
 231   size = buffer_size;
 232
 233   if(asfh.cno > 256) {
 234     mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrSubChunkNumberInvalid);
 235     return -1;
 236   }
 237
 238   start = sizeof(asfh);
 239
 240   pos = find_asf_guid(buffer, asf_file_header_guid, start, size);
 241   if (pos >= 0) {
 242     ASF_file_header_t *fileh = (ASF_file_header_t *) &buffer[pos];
 243     pos += sizeof(ASF_file_header_t);
 244     if (pos > size) goto len_err_out;
 245       le2me_ASF_file_header_t(fileh);
 246 /*
 247       if(fileh.packetsize != fileh.packetsize2) {
 248         printf("Error packetsize check don't match\n");
 249         return -1;
 250       }
 251 */
 252       asf_ctrl->packet_size = fileh->max_packet_size;
 253       // before playing.
 254       // preroll: time in ms to bufferize before playing
 255       streaming_ctrl->prebuffer_size = (unsigned int)(((double)fileh->preroll/1000.0)*((double)fileh->max_bitrate/8.0));
 256   }
 257
 258   pos = start;
 259   while ((pos = find_asf_guid(buffer, asf_stream_header_guid, pos, size)) >= 0)
 260   {
 261     ASF_stream_header_t *streamh = (ASF_stream_header_t *)&buffer[pos];
 262     pos += sizeof(ASF_stream_header_t);
 263     if (pos > size) goto len_err_out;
 264       le2me_ASF_stream_header_t(streamh);
 265       switch(ASF_LOAD_GUID_PREFIX(streamh->type)) {
 266       case 0xF8699E40 : // audio stream
 267         if(asf_ctrl->audio_streams == NULL){
 268           asf_ctrl->audio_streams = (int*)malloc(sizeof(int));
 269           asf_ctrl->n_audio = 1;
 270         } else {
 271           asf_ctrl->n_audio++;
 272           asf_ctrl->audio_streams = (int*)realloc(asf_ctrl->audio_streams,
 273                                                      asf_ctrl->n_audio*sizeof(int));
 274         }
 275         asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = streamh->stream_no;
 276         break;
 277       case 0xBC19EFC0 : // video stream
 278         if(asf_ctrl->video_streams == NULL){
 279           asf_ctrl->video_streams = (int*)malloc(sizeof(int));
 280           asf_ctrl->n_video = 1;
 281         } else {
 282           asf_ctrl->n_video++;
 283           asf_ctrl->video_streams = (int*)realloc(asf_ctrl->video_streams,
 284                                                      asf_ctrl->n_video*sizeof(int));
 285         }
 286         asf_ctrl->video_streams[asf_ctrl->n_video-1] = streamh->stream_no;
 287         break;
 288       }
 289   }
 290
 291   // always allocate to avoid lots of ifs later
 292   v_rates = calloc(asf_ctrl->n_video, sizeof(int));
 293   a_rates = calloc(asf_ctrl->n_audio, sizeof(int));
 294
 295   pos = find_asf_guid(buffer, asf_stream_group_guid, start, size);
 296   if (pos >= 0) {
 297     // stream bitrate properties object
 298         int stream_count;
 299         char *ptr = &buffer[pos];
 300
 301         mp_msg(MSGT_NETWORK, MSGL_V, "Stream bitrate properties object\n");
 302                 stream_count = le2me_16(*(uint16_t*)ptr);
 303                 ptr += sizeof(uint16_t);
 304                 if (ptr > &buffer[size]) goto len_err_out;
 305                 mp_msg(MSGT_NETWORK, MSGL_V, " stream count=[0x%x][%u]\n",
 306                         stream_count, stream_count );
 307                 for( i=0 ; i<stream_count ; i++ ) {
 308                         uint32_t rate;
 309                         int id;
 310                         int j;
 311                         id = le2me_16(*(uint16_t*)ptr);
 312                         ptr += sizeof(uint16_t);
 313                         if (ptr > &buffer[size]) goto len_err_out;
 314                         memcpy(&rate, ptr, sizeof(uint32_t));// workaround unaligment bug on sparc
 315                         ptr += sizeof(uint32_t);
 316                         if (ptr > &buffer[size]) goto len_err_out;
 317                         rate = le2me_32(rate);
 318                         mp_msg(MSGT_NETWORK, MSGL_V,
 319                                 "  stream id=[0x%x][%u]\n", id, id);
 320                         mp_msg(MSGT_NETWORK, MSGL_V,
 321                                 "  max bitrate=[0x%x][%u]\n", rate, rate);
 322                         for (j = 0; j < asf_ctrl->n_video; j++) {
 323                           if (id == asf_ctrl->video_streams[j]) {
 324                             mp_msg(MSGT_NETWORK, MSGL_V, "  is video stream\n");
 325                             v_rates[j] = rate;
 326                             break;
 327                           }
 328                         }
 329                         for (j = 0; j < asf_ctrl->n_audio; j++) {
 330                           if (id == asf_ctrl->audio_streams[j]) {
 331                             mp_msg(MSGT_NETWORK, MSGL_V, "  is audio stream\n");
 332                             a_rates[j] = rate;
 333                             break;
 334                           }
 335                         }
 336                 }
 337   }
 338   free(buffer);
 339
 340   // automatic stream selection based on bandwidth
 341   if (bw == 0) bw = INT_MAX;
 342   mp_msg(MSGT_NETWORK, MSGL_V, "Max bandwidth set to %d\n", bw);
 343
 344   if (asf_ctrl->n_audio) {
 345     // find lowest-bitrate audio stream
 346     a_rate = a_rates[0];
 347     a_idx = 0;
 348     for (i = 0; i < asf_ctrl->n_audio; i++) {
 349       if (a_rates[i] < a_rate) {
 350         a_rate = a_rates[i];
 351         a_idx = i;
 352       }
 353     }
 354     if (max_idx(asf_ctrl->n_video, v_rates, bw - a_rate) < 0) {
 355       // both audio and video are not possible, try video only next
 356       a_idx = -1;
 357       a_rate = 0;
 358     }
 359   }
 360   // find best video stream
 361   v_idx = max_idx(asf_ctrl->n_video, v_rates, bw - a_rate);
 362   if (v_idx >= 0)
 363     v_rate = v_rates[v_idx];
 364
 365   // find best audio stream
 366   a_idx = max_idx(asf_ctrl->n_audio, a_rates, bw - v_rate);
 367
 368   free(v_rates);
 369   free(a_rates);
 370
 371   if (a_idx < 0 && v_idx < 0) {
 372     mp_msg(MSGT_NETWORK, MSGL_FATAL, MSGTR_MPDEMUX_ASF_Bandwidth2SmallCannotPlay);
 373     return -1;
 374   }
 375
 376   if (audio_id > 0)
 377     // a audio stream was forced
 378     asf_ctrl->audio_id = audio_id;
 379   else if (a_idx >= 0)
 380     asf_ctrl->audio_id = asf_ctrl->audio_streams[a_idx];
 381   else if (asf_ctrl->n_audio) {
 382     mp_msg(MSGT_NETWORK, MSGL_WARN, MSGTR_MPDEMUX_ASF_Bandwidth2SmallDeselectedAudio);
 383     audio_id = -2;
 384   }
 385
 386   if (video_id > 0)
 387     // a video stream was forced
 388     asf_ctrl->video_id = video_id;
 389   else if (v_idx >= 0)
 390     asf_ctrl->video_id = asf_ctrl->video_streams[v_idx];
 391   else if (asf_ctrl->n_video) {
 392     mp_msg(MSGT_NETWORK, MSGL_WARN, MSGTR_MPDEMUX_ASF_Bandwidth2SmallDeselectedVideo);
 393     video_id = -2;
 394   }
 395
 396   return 1;
 397
 398 len_err_out:
 399   mp_msg(MSGT_NETWORK, MSGL_FATAL, MSGTR_MPDEMUX_ASF_InvalidLenInHeader);
 400   if (buffer) free(buffer);
 401   if (v_rates) free(v_rates);
 402   if (a_rates) free(a_rates);
 403   return -1;
 404 }
 405
 406 static int asf_http_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *streaming_ctrl ) {
 407   static ASF_stream_chunck_t chunk;
 408   int read,chunk_size = 0;
 409   static int rest = 0, drop_chunk = 0, waiting = 0;
 410   asf_http_streaming_ctrl_t *asf_http_ctrl = (asf_http_streaming_ctrl_t*)streaming_ctrl->data;
 411
 412   while(1) {
 413     if (rest == 0 && waiting == 0) {
 414       read = 0;
 415       while(read < (int)sizeof(ASF_stream_chunck_t)){
 416         int r = nop_streaming_read( fd, ((char*)&chunk) + read,
 417                                     sizeof(ASF_stream_chunck_t)-read,
 418                                     streaming_ctrl );
 419         if(r <= 0){
 420           if( r < 0)
 421             mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrReadingChunkHeader);
 422           return -1;
 423         }
 424         read += r;
 425       }
 426
 427       // Endian handling of the stream chunk
 428       le2me_ASF_stream_chunck_t(&chunk);
 429       chunk_size = asf_streaming( &chunk, &drop_chunk );
 430       if(chunk_size < 0) {
 431         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrorParsingChunkHeader);
 432         return -1;
 433       }
 434       chunk_size -= sizeof(ASF_stream_chunck_t);
 435
 436       if(chunk.type != ASF_STREAMING_HEADER && (!drop_chunk)) {
 437         if (asf_http_ctrl->packet_size < chunk_size) {
 438           mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrChunkBiggerThanPacket);
 439           return -1;
 440         }
 441         waiting = asf_http_ctrl->packet_size;
 442       } else {
 443         waiting = chunk_size;
 444       }
 445
 446     } else if (rest){
 447       chunk_size = rest;
 448       rest = 0;
 449     }
 450
 451     read = 0;
 452     if ( waiting >= chunk_size) {
 453       if (chunk_size > size){
 454         rest = chunk_size - size;
 455         chunk_size = size;
 456       }
 457       while(read < chunk_size) {
 458         int got = nop_streaming_read( fd,buffer+read,chunk_size-read,streaming_ctrl );
 459         if(got <= 0) {
 460           if(got < 0)
 461             mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ErrReadingChunk);
 462           return -1;
 463         }
 464         read += got;
 465       }
 466       waiting -= read;
 467       if (drop_chunk) continue;
 468     }
 469     if (rest == 0 && waiting > 0 && size-read > 0) {
 470       int s = MIN(waiting,size-read);
 471       memset(buffer+read,0,s);
 472       waiting -= s;
 473       read += s;
 474     }
 475     break;
 476   }
 477
 478   return read;
 479 }
 480
 481 static int asf_http_streaming_seek( int fd, off_t pos, streaming_ctrl_t *streaming_ctrl ) {
 482         return -1;
 483         // to shut up gcc warning
 484         fd++;
 485         pos++;
 486         streaming_ctrl=NULL;
 487 }
 488
 489 static int asf_header_check( HTTP_header_t *http_hdr ) {
 490         ASF_obj_header_t *objh;
 491         if( http_hdr==NULL ) return -1;
 492         if( http_hdr->body==NULL || http_hdr->body_size<sizeof(ASF_obj_header_t) ) return -1;
 493
 494         objh = (ASF_obj_header_t*)http_hdr->body;
 495         if( ASF_LOAD_GUID_PREFIX(objh->guid)==0x75B22630 ) return 0;
 496         return -1;
 497 }
 498
 499 static int asf_http_streaming_type(char *content_type, char *features, HTTP_header_t *http_hdr ) {
 500         if( content_type==NULL ) return ASF_Unknown_e;
 501         if(     !strcasecmp(content_type, "application/octet-stream") ||
 502                 !strcasecmp(content_type, "application/vnd.ms.wms-hdr.asfv1") ||        // New in Corona, first request
 503                 !strcasecmp(content_type, "application/x-mms-framed") ||                // New in Corana, second request
 504                 !strcasecmp(content_type, "video/x-ms-asf")) {
 505
 506                 if( strstr(features, "broadcast") ) {
 507                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Live stream\n");
 508                         return ASF_Live_e;
 509                 } else {
 510                         mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Prerecorded\n");
 511                         return ASF_Prerecorded_e;
 512                 }
 513         } else {
 514                 // Ok in a perfect world, web servers should be well configured
 515                 // so we could used mime type to know the stream type,
 516                 // but guess what? All of them are not well configured.
 517                 // So we have to check for an asf header :(, but it works :p
 518                 if( http_hdr->body_size>sizeof(ASF_obj_header_t) ) {
 519                         if( asf_header_check( http_hdr )==0 ) {
 520                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Plain text\n");
 521                                 return ASF_PlainText_e;
 522                         } else if( (!strcasecmp(content_type, "text/html")) ) {
 523                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> HTML, MPlayer is not a browser...yet!\n");
 524                                 return ASF_Unknown_e;
 525                         } else {
 526                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Redirector\n");
 527                                 return ASF_Redirector_e;
 528                         }
 529                 } else {
 530                         if(     (!strcasecmp(content_type, "audio/x-ms-wax")) ||
 531                                 (!strcasecmp(content_type, "audio/x-ms-wma")) ||
 532                                 (!strcasecmp(content_type, "video/x-ms-asf")) ||
 533                                 (!strcasecmp(content_type, "video/x-ms-afs")) ||
 534                                 (!strcasecmp(content_type, "video/x-ms-wvx")) ||
 535                                 (!strcasecmp(content_type, "video/x-ms-wmv")) ||
 536                                 (!strcasecmp(content_type, "video/x-ms-wma")) ) {
 537                                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ASFRedirector);
 538                                 return ASF_Redirector_e;
 539                         } else if( !strcasecmp(content_type, "text/plain") ) {
 540                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF Plain text\n");
 541                                 return ASF_PlainText_e;
 542                         } else {
 543                                 mp_msg(MSGT_NETWORK,MSGL_V,"=====> ASF unknown content-type: %s\n", content_type );
 544                                 return ASF_Unknown_e;
 545                         }
 546                 }
 547         }
 548         return ASF_Unknown_e;
 549 }
 550
 551 static HTTP_header_t *asf_http_request(streaming_ctrl_t *streaming_ctrl) {
 552         HTTP_header_t *http_hdr;
 553         URL_t *url = NULL;
 554         URL_t *server_url = NULL;
 555         asf_http_streaming_ctrl_t *asf_http_ctrl;
 556         char str[250];
 557         char *ptr;
 558         int i, enable;
 559
 560         int offset_hi=0, offset_lo=0, length=0;
 561         int asf_nb_stream=0, stream_id;
 562
 563         // Sanity check
 564         if( streaming_ctrl==NULL ) return NULL;
 565         url = streaming_ctrl->url;
 566         asf_http_ctrl = (asf_http_streaming_ctrl_t*)streaming_ctrl->data;
 567         if( url==NULL || asf_http_ctrl==NULL ) return NULL;
 568
 569         // Common header for all requests.
 570         http_hdr = http_new_header();
 571         http_set_field( http_hdr, "Accept: */*" );
 572         http_set_field( http_hdr, "User-Agent: NSPlayer/4.1.0.3856" );
 573         http_add_basic_authentication( http_hdr, url->username, url->password );
 574
 575         // Check if we are using a proxy
 576         if( !strcasecmp( url->protocol, "http_proxy" ) ) {
 577                 server_url = url_new( (url->file)+1 );
 578                 if( server_url==NULL ) {
 579                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_InvalidProxyURL);
 580                         http_free( http_hdr );
 581                         return NULL;
 582                 }
 583                 http_set_uri( http_hdr, server_url->url );
 584                 sprintf( str, "Host: %.220s:%d", server_url->hostname, server_url->port );
 585                 url_free( server_url );
 586         } else {
 587                 http_set_uri( http_hdr, url->file );
 588                 sprintf( str, "Host: %.220s:%d", url->hostname, url->port );
 589         }
 590
 591         http_set_field( http_hdr, str );
 592         http_set_field( http_hdr, "Pragma: xClientGUID={c77e7400-738a-11d2-9add-0020af0a3278}" );
 593         sprintf(str,
 594                 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=%u",
 595                 offset_hi, offset_lo, asf_http_ctrl->request, length );
 596         http_set_field( http_hdr, str );
 597
 598         switch( asf_http_ctrl->streaming_type ) {
 599                 case ASF_Live_e:
 600                 case ASF_Prerecorded_e:
 601                         http_set_field( http_hdr, "Pragma: xPlayStrm=1" );
 602                         ptr = str;
 603                         ptr += sprintf( ptr, "Pragma: stream-switch-entry=");
 604                         if(asf_http_ctrl->n_audio > 0) {
 605                                 for( i=0; i<asf_http_ctrl->n_audio ; i++ ) {
 606                                         stream_id = asf_http_ctrl->audio_streams[i];
 607                                         if(stream_id == asf_http_ctrl->audio_id) {
 608                                                 enable = 0;
 609                                         } else {
 610                                                 enable = 2;
 611                                                 continue;
 612                                         }
 613                                         asf_nb_stream++;
 614                                         ptr += sprintf(ptr, "ffff:%d:%d ", stream_id, enable);
 615                                 }
 616                         }
 617                         if(asf_http_ctrl->n_video > 0) {
 618                                 for( i=0; i<asf_http_ctrl->n_video ; i++ ) {
 619                                         stream_id = asf_http_ctrl->video_streams[i];
 620                                         if(stream_id == asf_http_ctrl->video_id) {
 621                                                 enable = 0;
 622                                         } else {
 623                                                 enable = 2;
 624                                                 continue;
 625                                         }
 626                                         asf_nb_stream++;
 627                                         ptr += sprintf(ptr, "ffff:%d:%d ", stream_id, enable);
 628                                 }
 629                         }
 630                         http_set_field( http_hdr, str );
 631                         sprintf( str, "Pragma: stream-switch-count=%d", asf_nb_stream );
 632                         http_set_field( http_hdr, str );
 633                         break;
 634                 case ASF_Redirector_e:
 635                         break;
 636                 case ASF_Unknown_e:
 637                         // First request goes here.
 638                         break;
 639                 default:
 640                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_UnknownASFStreamType);
 641         }
 642
 643         http_set_field( http_hdr, "Connection: Close" );
 644         http_build_request( http_hdr );
 645
 646         return http_hdr;
 647 }
 648
 649 static int asf_http_parse_response(asf_http_streaming_ctrl_t *asf_http_ctrl, HTTP_header_t *http_hdr ) {
 650         char *content_type, *pragma;
 651         char features[64] = "\0";
 652         size_t len;
 653         if( http_response_parse(http_hdr)<0 ) {
 654                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_Failed2ParseHTTPResponse);
 655                 return -1;
 656         }
 657         switch( http_hdr->status_code ) {
 658                 case 200:
 659                         break;
 660                 case 401: // Authentication required
 661                         return ASF_Authenticate_e;
 662                 default:
 663                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_ServerReturn, http_hdr->status_code, http_hdr->reason_phrase);
 664                         return -1;
 665         }
 666
 667         content_type = http_get_field( http_hdr, "Content-Type");
 668 //printf("Content-Type: [%s]\n", content_type);
 669
 670         pragma = http_get_field( http_hdr, "Pragma");
 671         while( pragma!=NULL ) {
 672                 char *comma_ptr=NULL;
 673                 char *end;
 674 //printf("Pragma: [%s]\n", pragma );
 675                 // The pragma line can get severals attributes
 676                 // separeted with a comma ','.
 677                 do {
 678                         if( !strncasecmp( pragma, "features=", 9) ) {
 679                                 pragma += 9;
 680                                 end = strstr( pragma, "," );
 681                                 if( end==NULL ) {
 682                                   len = strlen(pragma);
 683                                 } else {
 684                                   len = (unsigned int)(end-pragma);
 685                                 }
 686                                 if(len > sizeof(features) - 1) {
 687                                   mp_msg(MSGT_NETWORK,MSGL_WARN,MSGTR_MPDEMUX_ASF_ASFHTTPParseWarnCuttedPragma,pragma,len,sizeof(features) - 1);
 688                                   len = sizeof(features) - 1;
 689                                 }
 690                                 strncpy( features, pragma, len );
 691                                 features[len]='\0';
 692                                 break;
 693                         }
 694                         comma_ptr = strstr( pragma, "," );
 695                         if( comma_ptr!=NULL ) {
 696                                 pragma = comma_ptr+1;
 697                                 if( pragma[0]==' ' ) pragma++;
 698                         }
 699                 } while( comma_ptr!=NULL );
 700                 pragma = http_get_next_field( http_hdr );
 701         }
 702         asf_http_ctrl->streaming_type = asf_http_streaming_type( content_type, features, http_hdr );
 703         return 0;
 704 }
 705
 706 static int asf_http_streaming_start( stream_t *stream, int *demuxer_type ) {
 707         HTTP_header_t *http_hdr=NULL;
 708         URL_t *url = stream->streaming_ctrl->url;
 709         asf_http_streaming_ctrl_t *asf_http_ctrl;
 710         char buffer[BUFFER_SIZE];
 711         int i, ret;
 712         int fd = stream->fd;
 713         int done;
 714         int auth_retry = 0;
 715
 716         asf_http_ctrl = (asf_http_streaming_ctrl_t*)malloc(sizeof(asf_http_streaming_ctrl_t));
 717         if( asf_http_ctrl==NULL ) {
 718                 mp_msg(MSGT_NETWORK,MSGL_FATAL,MSGTR_MemAllocFailed);
 719                 return -1;
 720         }
 721         asf_http_ctrl->streaming_type = ASF_Unknown_e;
 722         asf_http_ctrl->request = 1;
 723         asf_http_ctrl->audio_streams = asf_http_ctrl->video_streams = NULL;
 724         asf_http_ctrl->n_audio = asf_http_ctrl->n_video = 0;
 725         stream->streaming_ctrl->data = (void*)asf_http_ctrl;
 726
 727         do {
 728                 done = 1;
 729                 if( fd>0 ) closesocket( fd );
 730
 731                 if( !strcasecmp( url->protocol, "http_proxy" ) ) {
 732                         if( url->port==0 ) url->port = 8080;
 733                 } else {
 734                         if( url->port==0 ) url->port = 80;
 735                 }
 736                 fd = connect2Server( url->hostname, url->port, 1);
 737                 if( fd<0 ) return fd;
 738
 739                 http_hdr = asf_http_request( stream->streaming_ctrl );
 740                 mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request [%s]\n", http_hdr->buffer );
 741                 for(i=0; i < (int)http_hdr->buffer_size ; ) {
 742                         int r = send( fd, http_hdr->buffer+i, http_hdr->buffer_size-i, 0 );
 743                         if(r <0) {
 744                                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_SocketWriteError,strerror(errno));
 745                                 return -1;
 746                         }
 747                         i += r;
 748                 }
 749                 http_free( http_hdr );
 750                 http_hdr = http_new_header();
 751                 do {
 752                         i = recv( fd, buffer, BUFFER_SIZE, 0 );
 753 //printf("read: %d\n", i );
 754                         if( i<=0 ) {
 755                                 perror("read");
 756                                 http_free( http_hdr );
 757                                 return -1;
 758                         }
 759                         http_response_append( http_hdr, buffer, i );
 760                 } while( !http_is_header_entire( http_hdr ) );
 761                 if( mp_msg_test(MSGT_NETWORK,MSGL_V) ) {
 762                         http_hdr->buffer[http_hdr->buffer_size]='\0';
 763                         mp_msg(MSGT_NETWORK,MSGL_DBG2,"Response [%s]\n", http_hdr->buffer );
 764                 }
 765                 ret = asf_http_parse_response(asf_http_ctrl, http_hdr);
 766                 if( ret<0 ) {
 767                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_HeaderParseFailed);
 768                         http_free( http_hdr );
 769                         return -1;
 770                 }
 771                 switch( asf_http_ctrl->streaming_type ) {
 772                         case ASF_Live_e:
 773                         case ASF_Prerecorded_e:
 774                         case ASF_PlainText_e:
 775                                 if( http_hdr->body_size>0 ) {
 776                                         if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 777                                                 http_free( http_hdr );
 778                                                 return -1;
 779                                         }
 780                                 }
 781                                 if( asf_http_ctrl->request==1 ) {
 782                                         if( asf_http_ctrl->streaming_type!=ASF_PlainText_e ) {
 783                                                 // First request, we only got the ASF header.
 784                                                 ret = asf_streaming_parse_header(fd,stream->streaming_ctrl);
 785                                                 if(ret < 0) return -1;
 786                                                 if(asf_http_ctrl->n_audio == 0 && asf_http_ctrl->n_video == 0) {
 787                                                         mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_NoStreamFound);
 788                                                         return -1;
 789                                                 }
 790                                                 asf_http_ctrl->request++;
 791                                                 done = 0;
 792                                         } else {
 793                                                 done = 1;
 794                                         }
 795                                 }
 796                                 break;
 797                         case ASF_Redirector_e:
 798                                 if( http_hdr->body_size>0 ) {
 799                                         if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
 800                                                 http_free( http_hdr );
 801                                                 return -1;
 802                                         }
 803                                 }
 804                                 *demuxer_type = DEMUXER_TYPE_PLAYLIST;
 805                                 done = 1;
 806                                 break;
 807                         case ASF_Authenticate_e:
 808                                 if( http_authenticate( http_hdr, url, &auth_retry)<0 ) return -1;
 809                                 asf_http_ctrl->streaming_type = ASF_Unknown_e;
 810                                 done = 0;
 811                                 break;
 812                         case ASF_Unknown_e:
 813                         default:
 814                                 mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_ASF_UnknownASFStreamingType);
 815                                 closesocket(fd);
 816                                 http_free( http_hdr );
 817                                 return -1;
 818                 }
 819         // Check if we got a redirect.
 820         } while(!done);
 821
 822         stream->fd = fd;
 823         if( asf_http_ctrl->streaming_type==ASF_PlainText_e || asf_http_ctrl->streaming_type==ASF_Redirector_e ) {
 824                 stream->streaming_ctrl->streaming_read = nop_streaming_read;
 825                 stream->streaming_ctrl->streaming_seek = nop_streaming_seek;
 826         } else {
 827                 stream->streaming_ctrl->streaming_read = asf_http_streaming_read;
 828                 stream->streaming_ctrl->streaming_seek = asf_http_streaming_seek;
 829                 stream->streaming_ctrl->buffering = 1;
 830         }
 831         stream->streaming_ctrl->status = streaming_playing_e;
 832         stream->close = close_s;
 833
 834         http_free( http_hdr );
 835         return 0;
 836 }
 837
 838 static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
 839         URL_t *url;
 840
 841         stream->streaming_ctrl = streaming_ctrl_new();
 842         if( stream->streaming_ctrl==NULL ) {
 843                 return STREAM_ERROR;
 844         }
 845         stream->streaming_ctrl->bandwidth = network_bandwidth;
 846         url = url_new(stream->url);
 847         stream->streaming_ctrl->url = check4proxies(url);
 848         url_free(url);
 849
 850         mp_msg(MSGT_OPEN, MSGL_INFO, MSGTR_MPDEMUX_ASF_InfoStreamASFURL, stream->url);
 851         if((!strncmp(stream->url, "http", 4)) && (*file_format!=DEMUXER_TYPE_ASF && *file_format!=DEMUXER_TYPE_UNKNOWN)) {
 852                 streaming_ctrl_free(stream->streaming_ctrl);
 853                 stream->streaming_ctrl = NULL;
 854                 return STREAM_UNSUPORTED;
 855         }
 856
 857         if(asf_streaming_start(stream, file_format) < 0) {
 858                 mp_msg(MSGT_OPEN, MSGL_ERR, MSGTR_MPDEMUX_ASF_StreamingFailed);
 859                 streaming_ctrl_free(stream->streaming_ctrl);
 860                 stream->streaming_ctrl = NULL;
 861                 return STREAM_UNSUPORTED;
 862         }
 863
 864         *file_format = DEMUXER_TYPE_ASF;
 865         stream->type = STREAMTYPE_STREAM;
 866         fixup_network_stream_cache(stream);
 867         return STREAM_OK;
 868 }
 869
 870 stream_info_t stream_info_asf = {
 871   "mms and mms over http streaming",
 872   "null",
 873   "Bertrand, Reimar Doeffinger, Albeu",
 874   "originally based on work by Majormms (is that code still there?)",
 875   open_s,
 876   {"mms", "mmsu", "mmst", "http", "http_proxy", "mmshttp", NULL},
 877   NULL,
 878   0 // Urls are an option string
 879 };
 880