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00027 #include <stdlib.h>
00028
00029 #include <errno.h>
00030
00031 #include <vlc/vlc.h>
00032 #include <vlc/input.h>
00033 #include <vlc/sout.h>
00034
00035 #include "vlc_httpd.h"
00036 #include "network.h"
00037
00038
00039
00040
00041
00042 #define MTU_REDUCE 50
00043
00044 #define DST_TEXT N_("Destination")
00045 #define DST_LONGTEXT N_( \
00046 "Allows you to specify the output URL used for the streaming output." )
00047 #define SDP_TEXT N_("SDP")
00048 #define SDP_LONGTEXT N_( \
00049 "Allows you to specify the SDP used for the streaming output. " \
00050 "You must use an url: http://location to access the SDP via HTTP, " \
00051 "rtsp://location for RTSP access, and sap:// for the SDP to be " \
00052 "announced via SAP." )
00053 #define MUX_TEXT N_("Muxer")
00054 #define MUX_LONGTEXT N_( \
00055 "Allows you to specify the muxer used for the streaming output." )
00056
00057 #define NAME_TEXT N_("Session name")
00058 #define NAME_LONGTEXT N_( \
00059 "Allows you to specify the session name used for the streaming output." )
00060 #define DESC_TEXT N_("Session description")
00061 #define DESC_LONGTEXT N_( \
00062 "Allows you to give a broader description of the stream." )
00063 #define URL_TEXT N_("Session URL")
00064 #define URL_LONGTEXT N_( \
00065 "Allows you to specify a URL with additional information on the stream." )
00066 #define EMAIL_TEXT N_("Session email")
00067 #define EMAIL_LONGTEXT N_( \
00068 "Allows you to specify contact e-mail address for this session." )
00069
00070 #define PORT_TEXT N_("Port")
00071 #define PORT_LONGTEXT N_( \
00072 "Allows you to specify the base port used for the RTP streaming." )
00073 #define PORT_AUDIO_TEXT N_("Audio port")
00074 #define PORT_AUDIO_LONGTEXT N_( \
00075 "Allows you to specify the default audio port used for the RTP streaming." )
00076 #define PORT_VIDEO_TEXT N_("Video port")
00077 #define PORT_VIDEO_LONGTEXT N_( \
00078 "Allows you to specify the default video port used for the RTP streaming." )
00079
00080 #define TTL_TEXT N_("Time To Live")
00081 #define TTL_LONGTEXT N_( \
00082 "Allows you to specify the time to live for the output stream." )
00083
00084 static int Open ( vlc_object_t * );
00085 static void Close( vlc_object_t * );
00086
00087 #define SOUT_CFG_PREFIX "sout-rtp-"
00088
00089 vlc_module_begin();
00090 set_shortname( _("RTP"));
00091 set_description( _("RTP stream output") );
00092 set_capability( "sout stream", 0 );
00093 add_shortcut( "rtp" );
00094 set_category( CAT_SOUT );
00095 set_subcategory( SUBCAT_SOUT_STREAM );
00096
00097 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
00098 DST_LONGTEXT, VLC_TRUE );
00099 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
00100 SDP_LONGTEXT, VLC_TRUE );
00101 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
00102 MUX_LONGTEXT, VLC_TRUE );
00103
00104 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
00105 NAME_LONGTEXT, VLC_TRUE );
00106 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
00107 DESC_LONGTEXT, VLC_TRUE );
00108 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
00109 URL_LONGTEXT, VLC_TRUE );
00110 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
00111 EMAIL_LONGTEXT, VLC_TRUE );
00112
00113 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
00114 PORT_LONGTEXT, VLC_TRUE );
00115 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
00116 PORT_AUDIO_LONGTEXT, VLC_TRUE );
00117 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
00118 PORT_VIDEO_LONGTEXT, VLC_TRUE );
00119
00120 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
00121 TTL_LONGTEXT, VLC_TRUE );
00122
00123 set_callbacks( Open, Close );
00124 vlc_module_end();
00125
00126
00127
00128
00129 static const char *ppsz_sout_options[] = {
00130 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
00131 "description", "url","email", NULL
00132 };
00133
00134 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
00135 static int Del ( sout_stream_t *, sout_stream_id_t * );
00136 static int Send( sout_stream_t *, sout_stream_id_t *,
00137 block_t* );
00138
00139
00140 typedef struct
00141 {
00142 char *psz_session;
00143 int64_t i_last;
00144
00145
00146 vlc_bool_t b_playing;
00147
00148
00149 int i_id;
00150 sout_stream_id_t **id;
00151 int i_access;
00152 sout_access_out_t **access;
00153 } rtsp_client_t;
00154
00155 struct sout_stream_sys_t
00156 {
00157
00158 int64_t i_sdp_id;
00159 int i_sdp_version;
00160 char *psz_sdp;
00161 vlc_mutex_t lock_sdp;
00162
00163 char *psz_session_name;
00164 char *psz_session_description;
00165 char *psz_session_url;
00166 char *psz_session_email;
00167
00168
00169 vlc_bool_t b_export_sdp_file;
00170 char *psz_sdp_file;
00171
00172 vlc_bool_t b_export_sap;
00173 session_descriptor_t *p_session;
00174
00175 httpd_host_t *p_httpd_host;
00176 httpd_file_t *p_httpd_file;
00177
00178 httpd_host_t *p_rtsp_host;
00179 httpd_url_t *p_rtsp_url;
00180 char *psz_rtsp_control;
00181 char *psz_rtsp_path;
00182
00183
00184 char *psz_destination;
00185 int i_port;
00186 int i_port_audio;
00187 int i_port_video;
00188 int i_ttl;
00189
00190
00191 int i_payload_type;
00192
00193
00194 sout_mux_t *p_mux;
00195 sout_access_out_t *p_access;
00196 int i_mtu;
00197 sout_access_out_t *p_grab;
00198 uint16_t i_sequence;
00199 uint32_t i_timestamp_start;
00200 uint8_t ssrc[4];
00201 block_t *packet;
00202
00203
00204 vlc_mutex_t lock_es;
00205 int i_es;
00206 sout_stream_id_t **es;
00207
00208
00209 int i_rtsp;
00210 rtsp_client_t **rtsp;
00211 };
00212
00213 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
00214 block_t * );
00215
00216 struct sout_stream_id_t
00217 {
00218 sout_stream_t *p_stream;
00219
00220 uint8_t i_payload_type;
00221 uint16_t i_sequence;
00222 uint32_t i_timestamp_start;
00223 uint8_t ssrc[4];
00224
00225
00226 int i_clock_rate;
00227 char *psz_rtpmap;
00228 char *psz_fmtp;
00229 char *psz_destination;
00230 int i_port;
00231 int i_cat;
00232
00233
00234 pf_rtp_packetizer_t pf_packetize;
00235 int i_mtu;
00236
00237
00238 sout_access_out_t *p_access;
00239
00240 vlc_mutex_t lock_rtsp;
00241 int i_rtsp_access;
00242 sout_access_out_t **rtsp_access;
00243
00244
00245 sout_input_t *p_input;
00246
00247
00248 httpd_url_t *p_rtsp_url;
00249 };
00250
00251 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
00252
00253 static void SDPHandleUrl( sout_stream_t *, char * );
00254
00255 static int SapSetup( sout_stream_t *p_stream );
00256 static int FileSetup( sout_stream_t *p_stream );
00257 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
00258 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
00259
00260 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
00261 httpd_message_t *, httpd_message_t * );
00262 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
00263 httpd_message_t *, httpd_message_t * );
00264
00265
00266 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
00267 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
00268 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
00269
00270
00271
00272
00273 static int Open( vlc_object_t *p_this )
00274 {
00275 sout_stream_t *p_stream = (sout_stream_t*)p_this;
00276 sout_instance_t *p_sout = p_stream->p_sout;
00277 sout_stream_sys_t *p_sys;
00278 vlc_value_t val;
00279
00280 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
00281
00282 p_sys = malloc( sizeof( sout_stream_sys_t ) );
00283
00284 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
00285 if( *p_sys->psz_destination == '\0' )
00286 {
00287 free( p_sys->psz_destination );
00288 p_sys->psz_destination = NULL;
00289 }
00290
00291 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
00292 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
00293 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
00294 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
00295
00296 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
00297 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
00298 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
00299
00300 p_sys->psz_sdp_file = NULL;
00301
00302 if( p_sys->i_port_audio == p_sys->i_port_video )
00303 {
00304 msg_Err( p_stream, "audio and video port cannot be the same" );
00305 p_sys->i_port_audio = 0;
00306 p_sys->i_port_video = 0;
00307 }
00308
00309 if( !p_sys->psz_session_name )
00310 {
00311 if( p_sys->psz_destination )
00312 p_sys->psz_session_name = strdup( p_sys->psz_destination );
00313 else
00314 p_sys->psz_session_name = strdup( "NONE" );
00315 }
00316
00317 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
00318 {
00319 sout_cfg_t *p_cfg;
00320 vlc_bool_t b_ok = VLC_FALSE;
00321
00322 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
00323 {
00324 if( !strcmp( p_cfg->psz_name, "sdp" ) )
00325 {
00326 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
00327 {
00328 b_ok = VLC_TRUE;
00329 break;
00330 }
00331 }
00332 }
00333 if( !b_ok )
00334 {
00335 vlc_value_t val2;
00336 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
00337 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
00338 b_ok = VLC_TRUE;
00339 free( val2.psz_string );
00340 }
00341
00342 if( !b_ok )
00343 {
00344 msg_Err( p_stream, "missing destination and not in rtsp mode" );
00345 free( p_sys );
00346 return VLC_EGENERIC;
00347 }
00348 p_sys->psz_destination = NULL;
00349 }
00350 else if( p_sys->i_port <= 0 )
00351 {
00352 msg_Err( p_stream, "invalid port" );
00353 free( p_sys );
00354 return VLC_EGENERIC;
00355 }
00356
00357 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
00358 if( ( val.i_int > 255 ) || ( val.i_int < 0 ) )
00359 {
00360 msg_Err( p_stream, "illegal TTL %d", val.i_int );
00361 free( p_sys );
00362 return VLC_EGENERIC;
00363 }
00364 p_sys->i_ttl = val.i_int;
00365
00366 p_sys->i_payload_type = 96;
00367 p_sys->i_es = 0;
00368 p_sys->es = NULL;
00369 p_sys->i_rtsp = 0;
00370 p_sys->rtsp = NULL;
00371 p_sys->psz_sdp = NULL;
00372
00373 p_sys->i_sdp_id = mdate();
00374 p_sys->i_sdp_version = 1;
00375 p_sys->psz_sdp = NULL;
00376
00377 p_sys->b_export_sap = VLC_FALSE;
00378 p_sys->b_export_sdp_file = VLC_FALSE;
00379 p_sys->p_session = NULL;
00380
00381 p_sys->p_httpd_host = NULL;
00382 p_sys->p_httpd_file = NULL;
00383 p_sys->p_rtsp_host = NULL;
00384 p_sys->p_rtsp_url = NULL;
00385 p_sys->psz_rtsp_control = NULL;
00386 p_sys->psz_rtsp_path = NULL;
00387
00388 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
00389 vlc_mutex_init( p_stream, &p_sys->lock_es );
00390
00391 p_stream->pf_add = Add;
00392 p_stream->pf_del = Del;
00393 p_stream->pf_send = Send;
00394
00395 p_stream->p_sys = p_sys;
00396
00397 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
00398 if( *val.psz_string )
00399 {
00400 sout_access_out_t *p_grab;
00401 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
00402
00403 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
00404 {
00405 msg_Err( p_stream, "rtp needs a destination when muxing" );
00406 free( p_sys );
00407 return VLC_EGENERIC;
00408 }
00409
00410
00411 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
00412 {
00413 psz_rtpmap = "MP2P/90000";
00414 }
00415 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
00416 {
00417 psz_rtpmap = "MP2T/90000";
00418 p_sys->i_payload_type = 33;
00419 }
00420 else
00421 {
00422 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
00423 free( p_sys );
00424 return VLC_EGENERIC;
00425 }
00426
00427
00428 if( p_sys->i_ttl > 0 )
00429 {
00430 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
00431 }
00432 else
00433 {
00434 sprintf( access, "udp{raw}" );
00435 }
00436
00437
00438 snprintf( url, sizeof( url ),
00439 ( ( p_sys->psz_destination[0] != '[' )
00440 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
00441 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
00442 p_sys->i_port );
00443 url[sizeof( url ) - 1] = '\0';
00444
00445
00446
00447 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
00448
00449 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
00450 {
00451 msg_Err( p_stream, "cannot create the access out for %s://%s",
00452 access, url );
00453 free( p_sys );
00454 return VLC_EGENERIC;
00455 }
00456 p_sys->i_mtu = config_GetInt( p_stream, "mtu" );
00457 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
00458 {
00459
00460 p_sys->i_mtu = 1500;
00461 }
00462 p_sys->i_mtu -= MTU_REDUCE;
00463
00464
00465 p_grab = p_sys->p_grab =
00466 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
00467 p_grab->p_module = NULL;
00468 p_grab->p_sout = p_sout;
00469 p_grab->psz_access = strdup( "grab" );
00470 p_grab->p_cfg = NULL;
00471 p_grab->psz_name = strdup( "" );
00472 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
00473 p_grab->pf_seek = NULL;
00474 p_grab->pf_write = AccessOutGrabberWrite;
00475
00476
00477 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
00478 {
00479 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
00480 sout_AccessOutDelete( p_sys->p_grab );
00481 sout_AccessOutDelete( p_sys->p_access );
00482 free( p_sys );
00483 return VLC_EGENERIC;
00484 }
00485
00486
00487
00488
00489
00490
00491
00492
00493
00494
00495
00496
00497
00498
00499
00500 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
00501 {
00502 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl ?
00503 p_sys->i_ttl : config_GetInt( p_sout, "ttl" ) );
00504 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
00505 }
00506 else
00507 {
00508 psz_ttl[0] = '\0';
00509 }
00510
00511 asprintf( &p_sys->psz_sdp,
00512 "v=0\r\n"
00513
00514 "o=- "I64Fd" %d IN IP%c %s\r\n"
00515 "s=%s\r\n"
00516 "i=%s\r\n"
00517 "u=%s\r\n"
00518 "e=%s\r\n"
00519 "t=0 0\r\n"
00520 "a=tool:"PACKAGE_STRING"\r\n"
00521 "c=IN IP%c %s%s\r\n"
00522 "m=video %d RTP/AVP %d\r\n"
00523 "a=rtpmap:%d %s\r\n",
00524 p_sys->i_sdp_id, p_sys->i_sdp_version,
00525 ipv, ipv == '6' ? "::1" : "127.0.0.1" ,
00526 p_sys->psz_session_name,
00527 p_sys->psz_session_description,
00528 p_sys->psz_session_url,
00529 p_sys->psz_session_email,
00530 ipv, p_sys->psz_destination, psz_ttl,
00531 p_sys->i_port, p_sys->i_payload_type,
00532 p_sys->i_payload_type, psz_rtpmap );
00533 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
00534
00535
00536 p_sys->ssrc[0] = rand()&0xff;
00537 p_sys->ssrc[1] = rand()&0xff;
00538 p_sys->ssrc[2] = rand()&0xff;
00539 p_sys->ssrc[3] = rand()&0xff;
00540 p_sys->i_sequence = rand()&0xffff;
00541 p_sys->i_timestamp_start = rand()&0xffffffff;
00542 p_sys->packet = NULL;
00543 }
00544 else
00545 {
00546 p_sys->p_mux = NULL;
00547 p_sys->p_access = NULL;
00548 p_sys->p_grab = NULL;
00549 }
00550 free( val.psz_string );
00551
00552
00553 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
00554 if( *val.psz_string )
00555 {
00556 sout_cfg_t *p_cfg;
00557
00558 SDPHandleUrl( p_stream, val.psz_string );
00559
00560 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
00561 {
00562 if( !strcmp( p_cfg->psz_name, "sdp" ) )
00563 {
00564 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
00565 continue;
00566
00567 if( !strcmp( p_cfg->psz_value, val.psz_string ) )
00568 continue;
00569
00570 SDPHandleUrl( p_stream, p_cfg->psz_value );
00571 }
00572 }
00573 }
00574 free( val.psz_string );
00575
00576
00577 p_stream->p_sout->i_out_pace_nocontrol++;
00578
00579 return VLC_SUCCESS;
00580 }
00581
00582
00583
00584
00585 static void Close( vlc_object_t * p_this )
00586 {
00587 sout_stream_t *p_stream = (sout_stream_t*)p_this;
00588 sout_stream_sys_t *p_sys = p_stream->p_sys;
00589
00590
00591 p_stream->p_sout->i_out_pace_nocontrol--;
00592
00593 if( p_sys->p_mux )
00594 {
00595 sout_MuxDelete( p_sys->p_mux );
00596 sout_AccessOutDelete( p_sys->p_access );
00597 sout_AccessOutDelete( p_sys->p_grab );
00598 if( p_sys->packet )
00599 {
00600 block_Release( p_sys->packet );
00601 }
00602 if( p_sys->b_export_sap )
00603 {
00604 p_sys->p_mux = NULL;
00605 SapSetup( p_stream );
00606 }
00607 }
00608
00609 while( p_sys->i_rtsp > 0 )
00610 {
00611 RtspClientDel( p_stream, p_sys->rtsp[0] );
00612 }
00613
00614 vlc_mutex_destroy( &p_sys->lock_sdp );
00615
00616 if( p_sys->p_httpd_file )
00617 {
00618 httpd_FileDelete( p_sys->p_httpd_file );
00619 }
00620 if( p_sys->p_httpd_host )
00621 {
00622 httpd_HostDelete( p_sys->p_httpd_host );
00623 }
00624 if( p_sys->p_rtsp_url )
00625 {
00626 httpd_UrlDelete( p_sys->p_rtsp_url );
00627 }
00628 if( p_sys->p_rtsp_host )
00629 {
00630 httpd_HostDelete( p_sys->p_rtsp_host );
00631 }
00632 #if 0
00633
00634 if( p_sys->psz_session_name )
00635 {
00636 free( p_sys->psz_session_name );
00637 p_sys->psz_session_name = NULL;
00638 }
00639 if( p_sys->psz_session_description )
00640 {
00641 free( p_sys->psz_session_description );
00642 p_sys->psz_session_description = NULL;
00643 }
00644 if( p_sys->psz_session_url )
00645 {
00646 free( p_sys->psz_session_url );
00647 p_sys->psz_session_url = NULL;
00648 }
00649 if( p_sys->psz_session_email )
00650 {
00651 free( p_sys->psz_session_email );
00652 p_sys->psz_session_email = NULL;
00653 }
00654 #endif
00655 if( p_sys->psz_sdp )
00656 {
00657 free( p_sys->psz_sdp );
00658 }
00659 free( p_sys );
00660 }
00661
00662
00663
00664
00665 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
00666 {
00667 sout_stream_sys_t *p_sys = p_stream->p_sys;
00668 vlc_url_t url;
00669
00670 vlc_UrlParse( &url, psz_url, 0 );
00671 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
00672 {
00673 if( p_sys->p_httpd_file )
00674 {
00675 msg_Err( p_stream, "You can used sdp=http:// only once" );
00676 return;
00677 }
00678
00679 if( HttpSetup( p_stream, &url ) )
00680 {
00681 msg_Err( p_stream, "cannot export sdp as http" );
00682 }
00683 }
00684 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
00685 {
00686 if( p_sys->p_rtsp_url )
00687 {
00688 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
00689 return;
00690 }
00691
00692
00693 if( RtspSetup( p_stream, &url ) )
00694 {
00695 msg_Err( p_stream, "cannot export sdp as rtsp" );
00696 }
00697 }
00698 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
00699 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
00700 {
00701 p_sys->b_export_sap = VLC_TRUE;
00702 SapSetup( p_stream );
00703 }
00704 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
00705 {
00706 if( p_sys->b_export_sdp_file )
00707 {
00708 msg_Err( p_stream, "You can used sdp=file:// only once" );
00709 return;
00710 }
00711 p_sys->b_export_sdp_file = VLC_TRUE;
00712 psz_url = &psz_url[5];
00713 if( psz_url[0] == '/' && psz_url[1] == '/' )
00714 psz_url += 2;
00715 p_sys->psz_sdp_file = strdup( psz_url );
00716 }
00717 else
00718 {
00719 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
00720 url.psz_protocol );
00721 }
00722 vlc_UrlClean( &url );
00723 }
00724
00725
00726
00727
00728
00729
00730
00731
00732
00733
00734
00735
00736
00737
00738
00739
00740
00741 static char *SDPGenerate( const sout_stream_t *p_stream,
00742 const char *psz_destination, vlc_bool_t b_rtsp )
00743 {
00744 sout_stream_sys_t *p_sys = p_stream->p_sys;
00745 sout_instance_t *p_sout = p_stream->p_sout;
00746 int i_size;
00747 char *psz_sdp, *p, ipv;
00748 int i;
00749
00750
00751 if( psz_destination == NULL )
00752 psz_destination = "0.0.0.0";
00753
00754 i_size = sizeof( "v=0\r\n" ) +
00755 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
00756 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
00757 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
00758 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
00759 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
00760 sizeof( "t=0 0\r\n" ) +
00761 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
00762 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
00763 strlen( psz_destination ) ;
00764 for( i = 0; i < p_sys->i_es; i++ )
00765 {
00766 sout_stream_id_t *id = p_sys->es[i];
00767
00768 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
00769 if( id->psz_rtpmap )
00770 {
00771 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
00772 }
00773 if( id->psz_fmtp )
00774 {
00775 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
00776 }
00777 if( b_rtsp )
00778 {
00779 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
00780 }
00781 }
00782
00783 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
00784
00785 p = psz_sdp = malloc( i_size );
00786 p += sprintf( p, "v=0\r\n" );
00787 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
00788 p_sys->i_sdp_id, p_sys->i_sdp_version,
00789 ipv, ipv == '6' ? "::" : "127.0.0.1" );
00790 if( *p_sys->psz_session_name )
00791 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
00792 if( *p_sys->psz_session_description )
00793 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
00794 if( *p_sys->psz_session_url )
00795 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
00796 if( *p_sys->psz_session_email )
00797 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
00798
00799 p += sprintf( p, "t=0 0\r\n" );
00800 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
00801
00802 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
00803
00804 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
00805 {
00806
00807 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ? p_sys->i_ttl :
00808 config_GetInt( p_sout, "ttl" ) );
00809 }
00810 else
00811 {
00812 p += sprintf( p, "\r\n" );
00813 }
00814
00815 for( i = 0; i < p_sys->i_es; i++ )
00816 {
00817 sout_stream_id_t *id = p_sys->es[i];
00818
00819 if( id->i_cat == AUDIO_ES )
00820 {
00821 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
00822 id->i_port, id->i_payload_type );
00823 }
00824 else if( id->i_cat == VIDEO_ES )
00825 {
00826 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
00827 id->i_port, id->i_payload_type );
00828 }
00829 else
00830 {
00831 continue;
00832 }
00833 if( id->psz_rtpmap )
00834 {
00835 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
00836 id->psz_rtpmap );
00837 }
00838 if( id->psz_fmtp )
00839 {
00840 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
00841 id->psz_fmtp );
00842 }
00843 if( b_rtsp )
00844 {
00845 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
00846 }
00847 }
00848
00849 return psz_sdp;
00850 }
00851
00852
00853
00854
00855 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
00856 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
00857 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
00858 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
00859 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
00860 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
00861 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
00862 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
00863 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
00864
00865 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
00866 {
00867 static const char hex[16] = "0123456789abcdef";
00868 int i;
00869
00870 for( i = 0; i < i_data; i++ )
00871 {
00872 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
00873 s[2*i+1] = hex[(p_data[i] )&0xf];
00874 }
00875 s[2*i_data] = '\0';
00876 }
00877
00878 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
00879 {
00880 sout_instance_t *p_sout = p_stream->p_sout;
00881 sout_stream_sys_t *p_sys = p_stream->p_sys;
00882 sout_stream_id_t *id;
00883 sout_access_out_t *p_access = NULL;
00884 int i_port;
00885 char *psz_sdp;
00886
00887 if( p_sys->p_mux != NULL )
00888 {
00889 sout_input_t *p_input = NULL;
00890 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
00891 {
00892 msg_Err( p_stream, "cannot add this stream to the muxer" );
00893 return NULL;
00894 }
00895
00896 id = malloc( sizeof( sout_stream_id_t ) );
00897 memset( id, 0, sizeof( sout_stream_id_t ) );
00898 id->p_access = NULL;
00899 id->p_input = p_input;
00900 id->pf_packetize= NULL;
00901 id->p_rtsp_url = NULL;
00902 id->i_port = 0;
00903 return id;
00904 }
00905
00906
00907
00908 i_port = 0;
00909 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
00910 {
00911 i_port = p_sys->i_port_audio;
00912 p_sys->i_port_audio = 0;
00913 }
00914 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
00915 {
00916 i_port = p_sys->i_port_video;
00917 p_sys->i_port_video = 0;
00918 }
00919 while( i_port == 0 )
00920 {
00921 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
00922 {
00923 i_port = p_sys->i_port;
00924 p_sys->i_port += 2;
00925 break;
00926 }
00927 p_sys->i_port += 2;
00928 }
00929
00930 if( p_sys->psz_destination )
00931 {
00932 char access[17];
00933 char url[NI_MAXHOST + 8];
00934
00935
00936 if( p_sys->i_ttl > 0 )
00937 {
00938 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
00939 p_sys->i_ttl );
00940 access[sizeof( access ) - 1] = '\0';
00941 }
00942 else
00943 strcpy( access, "udp{raw}" );
00944
00945 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
00946 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
00947 p_sys->psz_destination, i_port );
00948 url[sizeof( url ) - 1] = '\0';
00949
00950 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
00951 {
00952 msg_Err( p_stream, "cannot create the access out for %s://%s",
00953 access, url );
00954 return NULL;
00955 }
00956 msg_Dbg( p_stream, "access out %s:%s", access, url );
00957 }
00958
00959
00960 id = malloc( sizeof( sout_stream_id_t ) );
00961 memset( id, 0, sizeof( sout_stream_id_t ) );
00962 id->p_stream = p_stream;
00963 id->p_access = p_access;
00964 id->p_input = NULL;
00965 id->psz_rtpmap = NULL;
00966 id->psz_fmtp = NULL;
00967 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
00968 id->i_port = i_port;
00969 id->p_rtsp_url = NULL;
00970 vlc_mutex_init( p_stream, &id->lock_rtsp );
00971 id->i_rtsp_access = 0;
00972 id->rtsp_access = NULL;
00973
00974 switch( p_fmt->i_codec )
00975 {
00976 case VLC_FOURCC( 's', '1', '6', 'b' ):
00977 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
00978 {
00979 id->i_payload_type = 11;
00980 }
00981 else if( p_fmt->audio.i_channels == 2 &&
00982 p_fmt->audio.i_rate == 44100 )
00983 {
00984 id->i_payload_type = 10;
00985 }
00986 else
00987 {
00988 id->i_payload_type = p_sys->i_payload_type++;
00989 }
00990 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
00991 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
00992 p_fmt->audio.i_channels );
00993 id->i_clock_rate = p_fmt->audio.i_rate;
00994 id->pf_packetize = rtp_packetize_l16;
00995 break;
00996 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
00997 id->i_payload_type = p_sys->i_payload_type++;
00998 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
00999 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
01000 p_fmt->audio.i_channels );
01001 id->i_clock_rate = p_fmt->audio.i_rate;
01002 id->pf_packetize = rtp_packetize_l8;
01003 break;
01004 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
01005 id->i_payload_type = 14;
01006 id->i_clock_rate = 90000;
01007 id->psz_rtpmap = strdup( "MPA/90000" );
01008 id->pf_packetize = rtp_packetize_mpa;
01009 break;
01010 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
01011 id->i_payload_type = 32;
01012 id->i_clock_rate = 90000;
01013 id->psz_rtpmap = strdup( "MPV/90000" );
01014 id->pf_packetize = rtp_packetize_mpv;
01015 break;
01016 case VLC_FOURCC( 'a', '5', '2', ' ' ):
01017 id->i_payload_type = p_sys->i_payload_type++;
01018 id->i_clock_rate = 90000;
01019 id->psz_rtpmap = strdup( "ac3/90000" );
01020 id->pf_packetize = rtp_packetize_ac3;
01021 break;
01022 case VLC_FOURCC( 'H', '2', '6', '3' ):
01023 id->i_payload_type = p_sys->i_payload_type++;
01024 id->i_clock_rate = 90000;
01025 id->psz_rtpmap = strdup( "H263-1998/90000" );
01026 id->pf_packetize = rtp_packetize_h263;
01027 break;
01028
01029 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
01030 {
01031 char hexa[2*p_fmt->i_extra +1];
01032
01033 id->i_payload_type = p_sys->i_payload_type++;
01034 id->i_clock_rate = 90000;
01035 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
01036 id->pf_packetize = rtp_packetize_split;
01037 if( p_fmt->i_extra > 0 )
01038 {
01039 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
01040 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
01041 sprintf( id->psz_fmtp,
01042 "profile-level-id=3; config=%s;", hexa );
01043 }
01044 break;
01045 }
01046 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
01047 {
01048 char hexa[2*p_fmt->i_extra +1];
01049
01050 id->i_payload_type = p_sys->i_payload_type++;
01051 id->i_clock_rate = p_fmt->audio.i_rate;
01052 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
01053 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
01054 id->pf_packetize = rtp_packetize_mp4a;
01055 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
01056 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
01057 sprintf( id->psz_fmtp,
01058 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
01059 "config=%s; SizeLength=13;IndexLength=3; "
01060 "IndexDeltaLength=3; Profile=1;", hexa );
01061 break;
01062 }
01063 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
01064 id->i_payload_type = p_sys->i_payload_type++;
01065 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
01066 "AMR/8000/2" : "AMR/8000" );
01067 id->psz_fmtp = strdup( "octet-align=1" );
01068 id->i_clock_rate = p_fmt->audio.i_rate;
01069 id->pf_packetize = rtp_packetize_amr;
01070 break;
01071 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
01072 id->i_payload_type = p_sys->i_payload_type++;
01073 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
01074 "AMR-WB/16000/2" : "AMR-WB/16000" );
01075 id->psz_fmtp = strdup( "octet-align=1" );
01076 id->i_clock_rate = p_fmt->audio.i_rate;
01077 id->pf_packetize = rtp_packetize_amr;
01078 break;
01079
01080 default:
01081 msg_Err( p_stream, "cannot add this stream (unsupported "
01082 "codec:%4.4s)", (char*)&p_fmt->i_codec );
01083 if( p_access )
01084 {
01085 sout_AccessOutDelete( p_access );
01086 }
01087 free( id );
01088 return NULL;
01089 }
01090 id->i_cat = p_fmt->i_cat;
01091
01092 id->ssrc[0] = rand()&0xff;
01093 id->ssrc[1] = rand()&0xff;
01094 id->ssrc[2] = rand()&0xff;
01095 id->ssrc[3] = rand()&0xff;
01096 id->i_sequence = rand()&0xffff;
01097 id->i_timestamp_start = rand()&0xffffffff;
01098
01099 id->i_mtu = config_GetInt( p_stream, "mtu" );
01100 if( id->i_mtu <= 16 + MTU_REDUCE )
01101 {
01102
01103 id->i_mtu = 1500;
01104 }
01105 id->i_mtu -= MTU_REDUCE;
01106 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
01107
01108 if( p_sys->p_rtsp_url )
01109 {
01110 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
01111
01112 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
01113 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
01114 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
01115
01116 if( id->p_rtsp_url )
01117 {
01118 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
01119
01120
01121 }
01122 }
01123
01124
01125
01126 vlc_mutex_lock( &p_sys->lock_es );
01127 TAB_APPEND( p_sys->i_es, p_sys->es, id );
01128 vlc_mutex_unlock( &p_sys->lock_es );
01129
01130 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
01131
01132 vlc_mutex_lock( &p_sys->lock_sdp );
01133 free( p_sys->psz_sdp );
01134 p_sys->psz_sdp = psz_sdp;
01135 vlc_mutex_unlock( &p_sys->lock_sdp );
01136
01137 p_sys->i_sdp_version++;
01138
01139 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
01140
01141
01142 if( p_sys->b_export_sap ) SapSetup( p_stream );
01143 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
01144
01145 return id;
01146 }
01147
01148 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
01149 {
01150 sout_stream_sys_t *p_sys = p_stream->p_sys;
01151
01152 vlc_mutex_lock( &p_sys->lock_es );
01153 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
01154 vlc_mutex_unlock( &p_sys->lock_es );
01155
01156
01157 if( id->i_port > 0 )
01158 {
01159 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
01160 p_sys->i_port_audio = id->i_port;
01161 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
01162 p_sys->i_port_video = id->i_port;
01163 }
01164
01165 if( id->p_access )
01166 {
01167 if( id->psz_rtpmap )
01168 {
01169 free( id->psz_rtpmap );
01170 }
01171 if( id->psz_fmtp )
01172 {
01173 free( id->psz_fmtp );
01174 }
01175 if( id->psz_destination )
01176 free( id->psz_destination );
01177 sout_AccessOutDelete( id->p_access );
01178 }
01179 else if( id->p_input )
01180 {
01181 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
01182 }
01183 if( id->p_rtsp_url )
01184 {
01185 httpd_UrlDelete( id->p_rtsp_url );
01186 }
01187 vlc_mutex_destroy( &id->lock_rtsp );
01188 if( id->rtsp_access ) free( id->rtsp_access );
01189
01190
01191 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
01192 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
01193
01194 free( id );
01195 return VLC_SUCCESS;
01196 }
01197
01198 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
01199 block_t *p_buffer )
01200 {
01201 block_t *p_next;
01202
01203 if( p_stream->p_sys->p_mux )
01204 {
01205 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
01206 }
01207 else
01208 {
01209 while( p_buffer )
01210 {
01211 p_next = p_buffer->p_next;
01212 if( id->pf_packetize( p_stream, id, p_buffer ) )
01213 {
01214 break;
01215 }
01216 block_Release( p_buffer );
01217 p_buffer = p_next;
01218 }
01219 }
01220 return VLC_SUCCESS;
01221 }
01222
01223
01224 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
01225 block_t *p_buffer )
01226 {
01227 sout_stream_sys_t *p_sys = p_stream->p_sys;
01228
01229 int64_t i_dts = p_buffer->i_dts;
01230 uint32_t i_timestamp = i_dts * 9 / 100;
01231
01232 uint8_t *p_data = p_buffer->p_buffer;
01233 unsigned int i_data = p_buffer->i_buffer;
01234 unsigned int i_max = p_sys->i_mtu - 12;
01235
01236 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
01237
01238 while( i_data > 0 )
01239 {
01240 unsigned int i_size;
01241
01242
01243 if( p_sys->packet &&
01244 p_sys->packet->i_buffer + i_data > i_max )
01245 {
01246 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
01247 p_sys->packet = NULL;
01248 }
01249
01250 if( p_sys->packet == NULL )
01251 {
01252
01253 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
01254 p_sys->packet->p_buffer[ 0] = 0x80;
01255 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
01256 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
01257 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
01258 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
01259 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
01260 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
01261 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
01262 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
01263 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
01264 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
01265 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
01266 p_sys->packet->i_buffer = 12;
01267
01268 p_sys->packet->i_dts = i_dts;
01269 p_sys->packet->i_length = p_buffer->i_length / i_packet;
01270 i_dts += p_sys->packet->i_length;
01271
01272 p_sys->i_sequence++;
01273 }
01274
01275 i_size = __MIN( i_data,
01276 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
01277
01278 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
01279 p_data, i_size );
01280
01281 p_sys->packet->i_buffer += i_size;
01282 p_data += i_size;
01283 i_data -= i_size;
01284 }
01285
01286 return VLC_SUCCESS;
01287 }
01288
01289 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
01290 block_t *p_buffer )
01291 {
01292 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
01293
01294
01295
01296 while( p_buffer )
01297 {
01298 block_t *p_next;
01299
01300 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
01301
01302 p_next = p_buffer->p_next;
01303 block_Release( p_buffer );
01304 p_buffer = p_next;
01305 }
01306
01307 return VLC_SUCCESS;
01308 }
01309
01310
01311
01312
01313 static int SapSetup( sout_stream_t *p_stream )
01314 {
01315 sout_stream_sys_t *p_sys = p_stream->p_sys;
01316 sout_instance_t *p_sout = p_stream->p_sout;
01317 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
01318
01319
01320 if( p_sys->p_session != NULL)
01321 {
01322 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
01323 sout_AnnounceSessionDestroy( p_sys->p_session );
01324 p_sys->p_session = NULL;
01325 }
01326
01327 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
01328 {
01329 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
01330 p_sys->psz_destination,
01331 p_method );
01332 }
01333
01334 free( p_method );
01335 return VLC_SUCCESS;
01336 }
01337
01338
01339
01340
01341 static int FileSetup( sout_stream_t *p_stream )
01342 {
01343 sout_stream_sys_t *p_sys = p_stream->p_sys;
01344 FILE *f;
01345
01346 if( ( f = fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
01347 {
01348 msg_Err( p_stream, "cannot open file '%s' (%s)",
01349 p_sys->psz_sdp_file, strerror(errno) );
01350 return VLC_EGENERIC;
01351 }
01352
01353 fprintf( f, "%s", p_sys->psz_sdp );
01354 fclose( f );
01355
01356 return VLC_SUCCESS;
01357 }
01358
01359
01360
01361
01362 static int HttpCallback( httpd_file_sys_t *p_args,
01363 httpd_file_t *, uint8_t *p_request,
01364 uint8_t **pp_data, int *pi_data );
01365
01366 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
01367 {
01368 sout_stream_sys_t *p_sys = p_stream->p_sys;
01369
01370 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
01371 if( p_sys->p_httpd_host )
01372 {
01373 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
01374 url->psz_path ? url->psz_path : "/",
01375 "application/sdp",
01376 NULL, NULL, NULL,
01377 HttpCallback, (void*)p_sys );
01378 }
01379 if( p_sys->p_httpd_file == NULL )
01380 {
01381 return VLC_EGENERIC;
01382 }
01383 return VLC_SUCCESS;
01384 }
01385
01386 static int HttpCallback( httpd_file_sys_t *p_args,
01387 httpd_file_t *f, uint8_t *p_request,
01388 uint8_t **pp_data, int *pi_data )
01389 {
01390 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
01391
01392 vlc_mutex_lock( &p_sys->lock_sdp );
01393 if( p_sys->psz_sdp && *p_sys->psz_sdp )
01394 {
01395 *pi_data = strlen( p_sys->psz_sdp );
01396 *pp_data = malloc( *pi_data );
01397 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
01398 }
01399 else
01400 {
01401 *pp_data = NULL;
01402 *pi_data = 0;
01403 }
01404 vlc_mutex_unlock( &p_sys->lock_sdp );
01405
01406 return VLC_SUCCESS;
01407 }
01408
01409
01410
01411
01412 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
01413 {
01414 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
01415
01416 rtsp->psz_session = psz_session;
01417 rtsp->i_last = 0;
01418 rtsp->b_playing = VLC_FALSE;
01419 rtsp->i_id = 0;
01420 rtsp->id = NULL;
01421 rtsp->i_access = 0;
01422 rtsp->access = NULL;
01423
01424 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
01425
01426 return rtsp;
01427 }
01428 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
01429 {
01430 int i;
01431 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
01432 {
01433 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
01434 {
01435 return p_stream->p_sys->rtsp[i];
01436 }
01437 }
01438 return NULL;
01439 }
01440
01441 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
01442 {
01443 int i;
01444 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
01445
01446 for( i = 0; i < rtsp->i_access; i++ )
01447 {
01448 sout_AccessOutDelete( rtsp->access[i] );
01449 }
01450 if( rtsp->id ) free( rtsp->id );
01451 if( rtsp->access ) free( rtsp->access );
01452
01453 free( rtsp->psz_session );
01454 free( rtsp );
01455 }
01456
01457 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
01458 {
01459 sout_stream_sys_t *p_sys = p_stream->p_sys;
01460
01461 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
01462
01463 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
01464 if( p_sys->p_rtsp_host == NULL )
01465 {
01466 return VLC_EGENERIC;
01467 }
01468
01469 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
01470 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
01471 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
01472 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
01473
01474 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
01475 if( p_sys->p_rtsp_url == 0 )
01476 {
01477 return VLC_EGENERIC;
01478 }
01479 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
01480 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
01481 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
01482 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
01483
01484 return VLC_SUCCESS;
01485 }
01486
01487 static int RtspCallback( httpd_callback_sys_t *p_args,
01488 httpd_client_t *cl,
01489 httpd_message_t *answer, httpd_message_t *query )
01490 {
01491 sout_stream_t *p_stream = (sout_stream_t*)p_args;
01492 sout_stream_sys_t *p_sys = p_stream->p_sys;
01493 char *psz_destination = p_sys->psz_destination;
01494 char *psz_session = NULL;
01495
01496 if( answer == NULL || query == NULL )
01497 {
01498 return VLC_SUCCESS;
01499 }
01500 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
01501
01502 answer->i_proto = HTTPD_PROTO_RTSP;
01503 answer->i_version= query->i_version;
01504 answer->i_type = HTTPD_MSG_ANSWER;
01505
01506 switch( query->i_type )
01507 {
01508 case HTTPD_MSG_DESCRIBE:
01509 {
01510 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
01511
01512 answer->i_status = 200;
01513 answer->psz_status = strdup( "OK" );
01514 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
01515
01516 answer->p_body = (uint8_t *)psz_sdp;
01517 answer->i_body = strlen( psz_sdp );
01518 break;
01519 }
01520
01521 case HTTPD_MSG_PLAY:
01522 {
01523 rtsp_client_t *rtsp;
01524
01525 answer->i_status = 200;
01526 answer->psz_status = strdup( "OK" );
01527 answer->i_body = 0;
01528 answer->p_body = NULL;
01529
01530 psz_session = httpd_MsgGet( query, "Session" );
01531 rtsp = RtspClientGet( p_stream, psz_session );
01532 if( rtsp && !rtsp->b_playing )
01533 {
01534 int i_id;
01535
01536 rtsp->b_playing = VLC_TRUE;
01537
01538 vlc_mutex_lock( &p_sys->lock_es );
01539 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
01540 {
01541 sout_stream_id_t *id = rtsp->id[i_id];
01542 int i;
01543
01544 for( i = 0; i < p_sys->i_es; i++ )
01545 {
01546 if( id == p_sys->es[i] )
01547 break;
01548 }
01549 if( i >= p_sys->i_es ) continue;
01550
01551 vlc_mutex_lock( &id->lock_rtsp );
01552 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
01553 vlc_mutex_unlock( &id->lock_rtsp );
01554 }
01555 vlc_mutex_unlock( &p_sys->lock_es );
01556 }
01557 break;
01558 }
01559 case HTTPD_MSG_PAUSE:
01560
01561 return VLC_EGENERIC;
01562 case HTTPD_MSG_TEARDOWN:
01563 {
01564 rtsp_client_t *rtsp;
01565
01566
01567 answer->i_status = 200;
01568 answer->psz_status = strdup( "OK" );
01569 answer->i_body = 0;
01570 answer->p_body = NULL;
01571
01572 psz_session = httpd_MsgGet( query, "Session" );
01573 rtsp = RtspClientGet( p_stream, psz_session );
01574 if( rtsp )
01575 {
01576 int i_id;
01577
01578 vlc_mutex_lock( &p_sys->lock_es );
01579 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
01580 {
01581 sout_stream_id_t *id = rtsp->id[i_id];
01582 int i;
01583
01584 for( i = 0; i < p_sys->i_es; i++ )
01585 {
01586 if( id == p_sys->es[i] )
01587 break;
01588 }
01589 if( i >= p_sys->i_es ) continue;
01590
01591 vlc_mutex_lock( &id->lock_rtsp );
01592 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
01593 vlc_mutex_unlock( &id->lock_rtsp );
01594 }
01595 vlc_mutex_unlock( &p_sys->lock_es );
01596
01597 RtspClientDel( p_stream, rtsp );
01598 }
01599 break;
01600 }
01601
01602 default:
01603 return VLC_EGENERIC;
01604 }
01605 httpd_MsgAdd( answer, "Server", "VLC Server" );
01606 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
01607 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
01608 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
01609
01610 if( psz_session )
01611 {
01612 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
01613 }
01614 return VLC_SUCCESS;
01615 }
01616
01617 static int RtspCallbackId( httpd_callback_sys_t *p_args,
01618 httpd_client_t *cl,
01619 httpd_message_t *answer, httpd_message_t *query )
01620 {
01621 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
01622 sout_stream_t *p_stream = id->p_stream;
01623 sout_instance_t *p_sout = p_stream->p_sout;
01624 sout_stream_sys_t *p_sys = p_stream->p_sys;
01625 char *psz_session = NULL;
01626
01627 if( answer == NULL || query == NULL )
01628 {
01629 return VLC_SUCCESS;
01630 }
01631 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
01632
01633 answer->i_proto = HTTPD_PROTO_RTSP;
01634 answer->i_version= query->i_version;
01635 answer->i_type = HTTPD_MSG_ANSWER;
01636
01637 switch( query->i_type )
01638 {
01639 case HTTPD_MSG_SETUP:
01640 {
01641 char *psz_transport = httpd_MsgGet( query, "Transport" );
01642
01643 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
01644
01645 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
01646 {
01647 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
01648 answer->i_status = 200;
01649 answer->psz_status = strdup( "OK" );
01650 answer->i_body = 0;
01651 answer->p_body = NULL;
01652 psz_session = httpd_MsgGet( query, "Session" );
01653 if( *psz_session == 0 )
01654 {
01655 psz_session = malloc( 100 );
01656 sprintf( psz_session, "%d", rand() );
01657 }
01658 httpd_MsgAdd( answer, "Transport",
01659 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
01660 id->psz_destination, id->i_port,id->i_port+1,
01661 p_sys->i_ttl ? p_sys->i_ttl :
01662 config_GetInt( p_sout, "ttl" ) );
01663 }
01664 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
01665 {
01666 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
01667 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
01668
01669 sout_access_out_t *p_access;
01670
01671 rtsp_client_t *rtsp = NULL;
01672
01673 if( httpd_ClientIP( cl, ip ) == NULL )
01674 {
01675 answer->i_status = 500;
01676 answer->psz_status = strdup( "Internal server error" );
01677 answer->i_body = 0;
01678 answer->p_body = NULL;
01679 break;
01680 }
01681
01682 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
01683 ip, i_port );
01684
01685 psz_session = httpd_MsgGet( query, "Session" );
01686 if( *psz_session == 0 )
01687 {
01688 psz_session = malloc( 100 );
01689 sprintf( psz_session, "%d", rand() );
01690
01691 rtsp = RtspClientNew( p_stream, psz_session );
01692 }
01693 else
01694 {
01695 rtsp = RtspClientGet( p_stream, psz_session );
01696 if( rtsp == NULL )
01697 {
01698 answer->i_status = 454;
01699 answer->psz_status = strdup( "Unknown session id" );
01700 answer->i_body = 0;
01701 answer->p_body = NULL;
01702 break;
01703 }
01704 }
01705
01706
01707 if( p_sys->i_ttl > 0 )
01708 snprintf( psz_access, sizeof( psz_access ),
01709 "udp{raw,ttl=%d}", p_sys->i_ttl );
01710 else
01711 strncpy( psz_access, "udp{raw}", sizeof( psz_access ) );
01712 psz_access[sizeof( psz_access ) - 1] = '\0';
01713
01714 snprintf( psz_url, sizeof( psz_url ),
01715 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
01716 ip, i_port );
01717
01718 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
01719 {
01720 msg_Err( p_stream, "cannot create the access out for %s://%s",
01721 psz_access, psz_url );
01722 answer->i_status = 500;
01723 answer->psz_status = strdup( "Internal server error" );
01724 answer->i_body = 0;
01725 answer->p_body = NULL;
01726 break;
01727 }
01728
01729 TAB_APPEND( rtsp->i_id, rtsp->id, id );
01730 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
01731
01732 answer->i_status = 200;
01733 answer->psz_status = strdup( "OK" );
01734 answer->i_body = 0;
01735 answer->p_body = NULL;
01736
01737 httpd_MsgAdd( answer, "Transport",
01738 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
01739 }
01740 else
01741 {
01742 answer->i_status = 461;
01743 answer->psz_status = strdup( "Unsupported Transport" );
01744 answer->i_body = 0;
01745 answer->p_body = NULL;
01746 }
01747 break;
01748 }
01749
01750 default:
01751 return VLC_EGENERIC;
01752 }
01753 httpd_MsgAdd( answer, "Server", "VLC Server" );
01754 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
01755 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
01756 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
01757
01758 if( psz_session )
01759 {
01760 httpd_MsgAdd( answer, "Session", "%s", psz_session );
01761 }
01762 return VLC_SUCCESS;
01763 }
01764
01765
01766
01767
01768 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
01769 int b_marker, int64_t i_pts )
01770 {
01771 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
01772
01773 out->p_buffer[0] = 0x80;
01774 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
01775 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
01776 out->p_buffer[3] = ( id->i_sequence )&0xff;
01777 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
01778 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
01779 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
01780 out->p_buffer[7] = ( i_timestamp )&0xff;
01781
01782 out->p_buffer[ 8] = id->ssrc[0];
01783 out->p_buffer[ 9] = id->ssrc[1];
01784 out->p_buffer[10] = id->ssrc[2];
01785 out->p_buffer[11] = id->ssrc[3];
01786
01787 out->i_buffer = 12;
01788 id->i_sequence++;
01789 }
01790
01791 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
01792 {
01793 int i;
01794 vlc_mutex_lock( &id->lock_rtsp );
01795 for( i = 0; i < id->i_rtsp_access; i++ )
01796 {
01797 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
01798 }
01799 vlc_mutex_unlock( &id->lock_rtsp );
01800
01801 if( id->p_access )
01802 {
01803 sout_AccessOutWrite( id->p_access, out );
01804 }
01805 else
01806 {
01807 block_Release( out );
01808 }
01809 }
01810
01811 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
01812 block_t *in )
01813 {
01814 int i_max = id->i_mtu - 12 - 4;
01815 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
01816
01817 uint8_t *p_data = in->p_buffer;
01818 int i_data = in->i_buffer;
01819 int i;
01820
01821 for( i = 0; i < i_count; i++ )
01822 {
01823 int i_payload = __MIN( i_max, i_data );
01824 block_t *out = block_New( p_stream, 16 + i_payload );
01825
01826
01827 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
01828
01829 out->p_buffer[12] = 0;
01830 out->p_buffer[13] = 0;
01831
01832 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
01833 out->p_buffer[15] = ( (i*i_max) )&0xff;
01834 memcpy( &out->p_buffer[16], p_data, i_payload );
01835
01836 out->i_buffer = 16 + i_payload;
01837 out->i_dts = in->i_dts + i * in->i_length / i_count;
01838 out->i_length = in->i_length / i_count;
01839
01840 rtp_packetize_send( id, out );
01841
01842 p_data += i_payload;
01843 i_data -= i_payload;
01844 }
01845
01846 return VLC_SUCCESS;
01847 }
01848
01849
01850 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
01851 block_t *in )
01852 {
01853 int i_max = id->i_mtu - 12 - 4;
01854 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
01855
01856 uint8_t *p_data = in->p_buffer;
01857 int i_data = in->i_buffer;
01858 int i;
01859 int b_sequence_start = 0;
01860 int i_temporal_ref = 0;
01861 int i_picture_coding_type = 0;
01862 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
01863 int b_start_slice = 0;
01864
01865
01866 if( in->i_buffer > 4 )
01867 {
01868 uint8_t *p = p_data;
01869 int i_rest = in->i_buffer;
01870
01871 for( ;; )
01872 {
01873 while( i_rest > 4 &&
01874 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
01875 {
01876 p++;
01877 i_rest--;
01878 }
01879 if( i_rest <= 4 )
01880 {
01881 break;
01882 }
01883 p += 3;
01884 i_rest -= 4;
01885
01886 if( *p == 0xb3 )
01887 {
01888
01889 b_sequence_start = 1;
01890 }
01891 else if( *p == 0x00 && i_rest >= 4 )
01892 {
01893
01894 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
01895 i_picture_coding_type = (p[2] >> 3)&0x07;
01896
01897 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
01898 i_picture_coding_type == 3 ) )
01899 {
01900 i_ffv = (p[3] >> 2)&0x01;
01901 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
01902 if( i_rest > 4 && i_picture_coding_type == 3 )
01903 {
01904 i_fbv = (p[4]>>6)&0x01;
01905 i_bfc = (p[4]>>3)&0x07;
01906 }
01907 }
01908 }
01909 else if( *p <= 0xaf )
01910 {
01911 b_start_slice = 1;
01912 }
01913 }
01914 }
01915
01916 for( i = 0; i < i_count; i++ )
01917 {
01918 int i_payload = __MIN( i_max, i_data );
01919 block_t *out = block_New( p_stream,
01920 16 + i_payload );
01921 uint32_t h = ( i_temporal_ref << 16 )|
01922 ( b_sequence_start << 13 )|
01923 ( b_start_slice << 12 )|
01924 ( i == i_count - 1 ? 1 << 11 : 0 )|
01925 ( i_picture_coding_type << 8 )|
01926 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
01927
01928
01929 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
01930 in->i_pts > 0 ? in->i_pts : in->i_dts );
01931
01932
01933 out->p_buffer[12] = ( h >> 24 )&0xff;
01934 out->p_buffer[13] = ( h >> 16 )&0xff;
01935 out->p_buffer[14] = ( h >> 8 )&0xff;
01936 out->p_buffer[15] = ( h )&0xff;
01937
01938 memcpy( &out->p_buffer[16], p_data, i_payload );
01939
01940 out->i_buffer = 16 + i_payload;
01941 out->i_dts = in->i_dts + i * in->i_length / i_count;
01942 out->i_length = in->i_length / i_count;
01943
01944 rtp_packetize_send( id, out );
01945
01946 p_data += i_payload;
01947 i_data -= i_payload;
01948 }
01949
01950 return VLC_SUCCESS;
01951 }
01952 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
01953 block_t *in )
01954 {
01955 int i_max = id->i_mtu - 12 - 2;
01956 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
01957
01958 uint8_t *p_data = in->p_buffer;
01959 int i_data = in->i_buffer;
01960 int i;
01961
01962 for( i = 0; i < i_count; i++ )
01963 {
01964 int i_payload = __MIN( i_max, i_data );
01965 block_t *out = block_New( p_stream, 14 + i_payload );
01966
01967
01968 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
01969
01970 out->p_buffer[12] = 1;
01971
01972 out->p_buffer[13] = 0x00;
01973
01974 memcpy( &out->p_buffer[14], p_data, i_payload );
01975
01976 out->i_buffer = 14 + i_payload;
01977 out->i_dts = in->i_dts + i * in->i_length / i_count;
01978 out->i_length = in->i_length / i_count;
01979
01980 rtp_packetize_send( id, out );
01981
01982 p_data += i_payload;
01983 i_data -= i_payload;
01984 }
01985
01986 return VLC_SUCCESS;
01987 }
01988
01989 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
01990 block_t *in )
01991 {
01992 int i_max = id->i_mtu - 12;
01993 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
01994
01995 uint8_t *p_data = in->p_buffer;
01996 int i_data = in->i_buffer;
01997 int i;
01998
01999 for( i = 0; i < i_count; i++ )
02000 {
02001 int i_payload = __MIN( i_max, i_data );
02002 block_t *out = block_New( p_stream, 12 + i_payload );
02003
02004
02005 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
02006 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
02007 memcpy( &out->p_buffer[12], p_data, i_payload );
02008
02009 out->i_buffer = 12 + i_payload;
02010 out->i_dts = in->i_dts + i * in->i_length / i_count;
02011 out->i_length = in->i_length / i_count;
02012
02013 rtp_packetize_send( id, out );
02014
02015 p_data += i_payload;
02016 i_data -= i_payload;
02017 }
02018
02019 return VLC_SUCCESS;
02020 }
02021
02022 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
02023 block_t *in )
02024 {
02025 int i_max = id->i_mtu - 12;
02026 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
02027
02028 uint8_t *p_data = in->p_buffer;
02029 int i_data = in->i_buffer;
02030 int i_packet = 0;
02031
02032 while( i_data > 0 )
02033 {
02034 int i_payload = (__MIN( i_max, i_data )/4)*4;
02035 block_t *out = block_New( p_stream, 12 + i_payload );
02036
02037
02038 rtp_packetize_common( id, out, 0,
02039 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
02040 memcpy( &out->p_buffer[12], p_data, i_payload );
02041
02042 out->i_buffer = 12 + i_payload;
02043 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
02044 out->i_length = in->i_length / i_count;
02045
02046 rtp_packetize_send( id, out );
02047
02048 p_data += i_payload;
02049 i_data -= i_payload;
02050 i_packet++;
02051 }
02052
02053 return VLC_SUCCESS;
02054 }
02055
02056 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
02057 block_t *in )
02058 {
02059 int i_max = id->i_mtu - 12;
02060 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
02061
02062 uint8_t *p_data = in->p_buffer;
02063 int i_data = in->i_buffer;
02064 int i_packet = 0;
02065
02066 while( i_data > 0 )
02067 {
02068 int i_payload = (__MIN( i_max, i_data )/2)*2;
02069 block_t *out = block_New( p_stream, 12 + i_payload );
02070
02071
02072 rtp_packetize_common( id, out, 0,
02073 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
02074 memcpy( &out->p_buffer[12], p_data, i_payload );
02075
02076 out->i_buffer = 12 + i_payload;
02077 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
02078 out->i_length = in->i_length / i_count;
02079
02080 rtp_packetize_send( id, out );
02081
02082 p_data += i_payload;
02083 i_data -= i_payload;
02084 i_packet++;
02085 }
02086
02087 return VLC_SUCCESS;
02088 }
02089 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
02090 block_t *in )
02091 {
02092 int i_max = id->i_mtu - 16;
02093 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
02094
02095 uint8_t *p_data = in->p_buffer;
02096 int i_data = in->i_buffer;
02097 int i;
02098
02099 for( i = 0; i < i_count; i++ )
02100 {
02101 int i_payload = __MIN( i_max, i_data );
02102 block_t *out = block_New( p_stream, 16 + i_payload );
02103
02104
02105 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
02106 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
02107
02108
02109 out->p_buffer[12] = 0;
02110 out->p_buffer[13] = 2*8;
02111
02112 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
02113 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
02114
02115 memcpy( &out->p_buffer[16], p_data, i_payload );
02116
02117 out->i_buffer = 16 + i_payload;
02118 out->i_dts = in->i_dts + i * in->i_length / i_count;
02119 out->i_length = in->i_length / i_count;
02120
02121 rtp_packetize_send( id, out );
02122
02123 p_data += i_payload;
02124 i_data -= i_payload;
02125 }
02126
02127 return VLC_SUCCESS;
02128 }
02129
02130
02131
02132 #define RTP_H263_HEADER_SIZE (2) // plen = 0
02133 #define RTP_H263_PAYLOAD_START (14) // plen = 0
02134 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
02135 block_t *in )
02136 {
02137 uint8_t *p_data = in->p_buffer;
02138 int i_data = in->i_buffer;
02139 int i;
02140 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE;
02141 int i_count;
02142 int b_p_bit;
02143 int b_v_bit = 0;
02144 int i_plen = 0;
02145 int i_pebit = 0;
02146 uint16_t h;
02147
02148 if( i_data < 2 )
02149 {
02150 return VLC_EGENERIC;
02151 }
02152 if( p_data[0] || p_data[1] )
02153 {
02154 return VLC_EGENERIC;
02155 }
02156
02157 p_data += 2;
02158 i_data -= 2;
02159 i_count = ( i_data + i_max - 1 ) / i_max;
02160
02161 for( i = 0; i < i_count; i++ )
02162 {
02163 int i_payload = __MIN( i_max, i_data );
02164 block_t *out = block_New( p_stream,
02165 RTP_H263_PAYLOAD_START + i_payload );
02166 b_p_bit = (i == 0) ? 1 : 0;
02167 h = ( b_p_bit << 10 )|
02168 ( b_v_bit << 9 )|
02169 ( i_plen << 3 )|
02170 i_pebit;
02171
02172
02173
02174 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
02175 in->i_pts > 0 ? in->i_pts : in->i_dts );
02176
02177
02178 out->p_buffer[12] = ( h >> 8 )&0xff;
02179 out->p_buffer[13] = ( h )&0xff;
02180 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
02181
02182 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
02183 out->i_dts = in->i_dts + i * in->i_length / i_count;
02184 out->i_length = in->i_length / i_count;
02185
02186 rtp_packetize_send( id, out );
02187
02188 p_data += i_payload;
02189 i_data -= i_payload;
02190 }
02191
02192 return VLC_SUCCESS;
02193 }
02194
02195 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
02196 block_t *in )
02197 {
02198 int i_max = id->i_mtu - 14;
02199 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
02200
02201 uint8_t *p_data = in->p_buffer;
02202 int i_data = in->i_buffer;
02203 int i;
02204
02205
02206 for( i = 0; i < i_count; i++ )
02207 {
02208 int i_payload = __MIN( i_max, i_data );
02209 block_t *out = block_New( p_stream, 14 + i_payload );
02210
02211
02212 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
02213 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
02214
02215 out->p_buffer[12] = 0xF0;
02216 out->p_buffer[13] = 0x00;
02217
02218
02219 memcpy( &out->p_buffer[14], p_data, i_payload );
02220
02221 out->i_buffer = 14 + i_payload;
02222 out->i_dts = in->i_dts + i * in->i_length / i_count;
02223 out->i_length = in->i_length / i_count;
02224
02225 rtp_packetize_send( id, out );
02226
02227 p_data += i_payload;
02228 i_data -= i_payload;
02229 }
02230
02231 return VLC_SUCCESS;
02232 }
