/***************************************************************************** * live555.cpp : LIVE555 Streaming Media support. ***************************************************************************** * Copyright (C) 2003-2007 the VideoLAN team * $Id$ * * Authors: Laurent Aimar <fenrir@via.ecp.fr> * Derk-Jan Hartman <hartman at videolan. org> * Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #include <vlc/vlc.h> #include <vlc_demux.h> #include <vlc_interface.h> #include <vlc_network.h> #include <vlc_url.h> #include <iostream> #if defined( WIN32 ) # include <winsock2.h> #endif #include "UsageEnvironment.hh" #include "BasicUsageEnvironment.hh" #include "GroupsockHelper.hh" #include "liveMedia.hh" extern "C" { #include "../access/mms/asf.h" /* Who said ugly ? */ } using namespace std; /***************************************************************************** * Module descriptor *****************************************************************************/ static int Open ( vlc_object_t * ); static void Close( vlc_object_t * ); #define CACHING_TEXT N_("Caching value (ms)") #define CACHING_LONGTEXT N_( \ "Allows you to modify the default caching value for RTSP streams. This " \ "value should be set in millisecond units." ) #define KASENNA_TEXT N_( "Kasenna RTSP dialect") #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \ "dialect of RTSP. When you set this parameter, VLC will try this dialect "\ "for communication. In this mode you cannot connect to normal RTSP servers." ) #define USER_TEXT N_("RTSP user name") #define USER_LONGTEXT N_("Allows you to modify the user name that will " \ "be used for authenticating the connection.") #define PASS_TEXT N_("RTSP password") #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \ "used for the connection.") vlc_module_begin(); set_description( _("RTP/RTSP/SDP demuxer (using Live555)" ) ); set_capability( "demux2", 50 ); set_shortname( "RTP/RTSP"); set_callbacks( Open, Close ); add_shortcut( "live" ); add_shortcut( "livedotcom" ); set_category( CAT_INPUT ); set_subcategory( SUBCAT_INPUT_DEMUX ); add_submodule(); set_description( _("RTSP/RTP access and demux") ); add_shortcut( "rtsp" ); add_shortcut( "sdp" ); set_capability( "access_demux", 0 ); set_callbacks( Open, Close ); add_bool( "rtsp-tcp", 0, NULL, N_("Use RTP over RTSP (TCP)"), N_("Use RTP over RTSP (TCP)"), VLC_TRUE ); add_integer( "rtp-client-port", -1, NULL, N_("Client port"), N_("Port to use for the RTP source of the session"), VLC_TRUE ); add_bool( "rtsp-http", 0, NULL, N_("Tunnel RTSP and RTP over HTTP"), N_("Tunnel RTSP and RTP over HTTP"), VLC_TRUE ); add_integer( "rtsp-http-port", 80, NULL, N_("HTTP tunnel port"), N_("Port to use for tunneling the RTSP/RTP over HTTP."), VLC_TRUE ); add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE ); add_bool( "rtsp-kasenna", VLC_FALSE, NULL, KASENNA_TEXT, KASENNA_LONGTEXT, VLC_TRUE ); add_string( "rtsp-user", NULL, NULL, USER_TEXT, USER_LONGTEXT, VLC_TRUE ); add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT, PASS_LONGTEXT, VLC_TRUE ); vlc_module_end(); /***************************************************************************** * Local prototypes *****************************************************************************/ typedef struct { demux_t *p_demux; MediaSubsession *sub; es_format_t fmt; es_out_id_t *p_es; vlc_bool_t b_muxed; vlc_bool_t b_quicktime; vlc_bool_t b_asf; stream_t *p_out_muxed; /* for muxed stream */ uint8_t *p_buffer; unsigned int i_buffer; vlc_bool_t b_rtcp_sync; char waiting; int64_t i_pts; u_int32_t i_start_seq; } live_track_t; struct timeout_thread_t { VLC_COMMON_MEMBERS int64_t i_remain; vlc_bool_t b_handle_keep_alive; demux_sys_t *p_sys; }; struct demux_sys_t { char *p_sdp; /* XXX mallocated */ char *psz_path; /* URL-encoded path */ vlc_url_t url; MediaSession *ms; TaskScheduler *scheduler; UsageEnvironment *env ; RTSPClient *rtsp; /* */ int i_track; live_track_t **track; /* XXX mallocated */ /* Weird formats */ asf_header_t asfh; stream_t *p_out_asf; vlc_bool_t b_real; /* */ int64_t i_pcr; /* The clock */ int64_t i_npt; /* The current time in the stream */ int64_t i_npt_length; int64_t i_npt_start; /* timeout thread information */ int i_timeout; /* session timeout value in seconds */ vlc_bool_t b_timeout_call;/* mark to send an RTSP call to prevent server timeout */ timeout_thread_t *p_timeout; /* the actual thread that makes sure we don't timeout */ /* */ vlc_bool_t b_multicast; /* true if one of the tracks is multicasted */ vlc_bool_t b_no_data; /* true if we never receive any data */ int i_no_data_ti; /* consecutive number of TaskInterrupt */ char event; }; static int Demux ( demux_t * ); static int Control( demux_t *, int, va_list ); static int Connect ( demux_t * ); static int SessionsSetup( demux_t * ); static int Play ( demux_t *); static int ParseASF ( demux_t * ); static int RollOverTcp ( demux_t * ); static void StreamRead ( void *, unsigned int, unsigned int, struct timeval, unsigned int ); static void StreamClose ( void * ); static void TaskInterrupt( void * ); static void TimeoutPrevention( timeout_thread_t * ); static unsigned char* parseH264ConfigStr( char const* configStr, unsigned int& configSize ); /***************************************************************************** * DemuxOpen: *****************************************************************************/ static int Open ( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys = NULL; MediaSubsessionIterator *iter = NULL; MediaSubsession *sub = NULL; int i, i_return; int i_error = VLC_EGENERIC; if( p_demux->s ) { /* See if it looks like a SDP v, o, s fields are mandatory and in this order */ const uint8_t *p_peek; if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC; if( memcmp( p_peek, "v=0\r\n", 5 ) && memcmp( p_peek, "v=0\n", 4 ) && ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) ) { return VLC_EGENERIC; } } else { var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT ); } p_demux->pf_demux = Demux; p_demux->pf_control= Control; p_demux->p_sys = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) ); if( !p_sys ) return VLC_ENOMEM; p_sys->p_sdp = NULL; p_sys->scheduler = NULL; p_sys->env = NULL; p_sys->ms = NULL; p_sys->rtsp = NULL; p_sys->i_track = 0; p_sys->track = NULL; p_sys->i_pcr = 0; p_sys->i_npt = 0; p_sys->i_npt_start = 0; p_sys->i_npt_length = 0; p_sys->p_out_asf = NULL; p_sys->b_no_data = VLC_TRUE; p_sys->i_no_data_ti = 0; p_sys->p_timeout = NULL; p_sys->i_timeout = 0; p_sys->b_timeout_call = VLC_FALSE; p_sys->b_multicast = VLC_FALSE; p_sys->b_real = VLC_FALSE; p_sys->psz_path = strdup( p_demux->psz_path ); /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */ vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 ); if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL ) { msg_Err( p_demux, "BasicTaskScheduler::createNew failed" ); goto error; } if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) ) { msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" ); goto error; } if( strcasecmp( p_demux->psz_access, "sdp" ) ) { char *p = p_sys->psz_path; while( (p = strchr( p, ' ' )) != NULL ) *p = '+'; } if( p_demux->s != NULL ) { /* Gather the complete sdp file */ int i_sdp = 0; int i_sdp_max = 1000; uint8_t *p_sdp = (uint8_t*) malloc( i_sdp_max ); if( !p_sdp ) { i_error = VLC_ENOMEM; goto error; } for( ;; ) { int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp], i_sdp_max - i_sdp - 1 ); if( i_read < 0 ) { msg_Err( p_demux, "failed to read SDP" ); free( p_sys ); return VLC_EGENERIC; } i_sdp += i_read; if( i_read < i_sdp_max - i_sdp - 1 ) { p_sdp[i_sdp] = '\0'; break; } i_sdp_max += 1000; p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max ); } p_sys->p_sdp = (char*)p_sdp; } else if( ( p_demux->s == NULL ) && !strcasecmp( p_demux->psz_access, "sdp" ) ) { /* sdp:// link from SAP */ p_sys->p_sdp = strdup( p_sys->psz_path ); } else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS ) { msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path ); goto error; } if( p_sys->p_sdp == NULL ) { msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" ); i_error = VLC_ENOMEM; goto error; } if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS ) { msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path ); goto error; } if( p_sys->b_real ) goto error; if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS ) goto error; if( p_sys->p_out_asf && ParseASF( p_demux ) ) { msg_Err( p_demux, "cannot find a usable asf header" ); /* TODO Clean tracks */ goto error; } if( p_sys->i_track <= 0 ) goto error; return VLC_SUCCESS; error: for( i = 0; i < p_sys->i_track; i++ ) { live_track_t *tk = p_sys->track[i]; if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed ); free( tk->p_buffer ); free( tk ); } if( p_sys->i_track ) free( p_sys->track ); if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf ); if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms ); if( p_sys->ms ) Medium::close( p_sys->ms ); if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp ); if( p_sys->env ) p_sys->env->reclaim(); if( p_sys->p_timeout ) { vlc_object_kill( p_sys->p_timeout ); vlc_thread_join( p_sys->p_timeout ); vlc_object_detach( p_sys->p_timeout ); vlc_object_destroy( p_sys->p_timeout ); } if( p_sys->scheduler ) delete p_sys->scheduler; if( p_sys->p_sdp ) free( p_sys->p_sdp ); if( p_sys->psz_path ) free( p_sys->psz_path ); vlc_UrlClean( &p_sys->url ); free( p_sys ); return i_error; } /***************************************************************************** * DemuxClose: *****************************************************************************/ static void Close( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys = p_demux->p_sys; int i; for( i = 0; i < p_sys->i_track; i++ ) { live_track_t *tk = p_sys->track[i]; if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed ); free( tk->p_buffer ); free( tk ); } if( p_sys->i_track ) free( p_sys->track ); if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf ); if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms ); if( p_sys->ms ) Medium::close( p_sys->ms ); if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp ); if( p_sys->env ) p_sys->env->reclaim(); if( p_sys->p_timeout ) { vlc_object_kill( p_sys->p_timeout ); vlc_thread_join( p_sys->p_timeout ); vlc_object_detach( p_sys->p_timeout ); vlc_object_destroy( p_sys->p_timeout ); } if( p_sys->scheduler ) delete p_sys->scheduler; if( p_sys->p_sdp ) free( p_sys->p_sdp ); if( p_sys->psz_path ) free( p_sys->psz_path ); vlc_UrlClean( &p_sys->url ); free( p_sys ); } /***************************************************************************** * Connect: connects to the RTSP server to setup the session DESCRIBE *****************************************************************************/ static int Connect( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; Authenticator authenticator; char *psz_user = NULL; char *psz_pwd = NULL; char *psz_url = NULL; char *psz_options = NULL; char *p_sdp = NULL; int i_http_port = 0; int i_ret = VLC_SUCCESS; psz_url = (char*)malloc( strlen( p_sys->psz_path ) + 8 ); if( !psz_url ) return VLC_ENOMEM; if( p_sys->url.psz_username || p_sys->url.psz_password ) { sprintf( psz_url, "rtsp://%s%s", p_sys->url.psz_host, p_sys->url.psz_path ); psz_user = strdup( p_sys->url.psz_username ); psz_pwd = strdup( p_sys->url.psz_password ); } else { sprintf( psz_url, "rtsp://%s", p_sys->psz_path ); psz_user = var_CreateGetString( p_demux, "rtsp-user" ); psz_pwd = var_CreateGetString( p_demux, "rtsp-pwd" ); } createnew: if( var_CreateGetBool( p_demux, "rtsp-http" ) ) i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" ); if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env, p_demux->p_libvlc->i_verbose > 1, "VLC media player", i_http_port ) ) == NULL ) { msg_Err( p_demux, "RTSPClient::createNew failed (%s)", p_sys->env->getResultMsg() ); return VLC_EGENERIC; } /* Kasenna enables KeepAlive by analysing the User-Agent string. * Appending _KA to the string should be enough to enable this feature, * however, there is a bug where the _KA doesn't get parsed from the * default User-Agent as created by VLC/Live555 code. This is probably due * to spaces in the string or the string being too long. Here we override * the default string with a more compact version. */ if( var_CreateGetBool( p_demux, "rtsp-kasenna" )) { #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500 p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" ); #endif } describe: authenticator.setUsernameAndPassword( (const char*)psz_user, (const char*)psz_pwd ); psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd, &authenticator ); if( psz_options ) delete [] psz_options; p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator, var_CreateGetBool( p_demux, "rtsp-kasenna" ) ); if( p_sdp == NULL ) { /* failure occurred */ int i_code = 0; const char *psz_error = p_sys->env->getResultMsg(); msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error ); if( var_CreateGetBool( p_demux, "rtsp-http" ) ) sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s", &i_code ); else sscanf( psz_error, "%*sRTSP/%*s%3u", &i_code ); if( i_code == 401 ) { int i_result; msg_Dbg( p_demux, "authentication failed" ); if( psz_user ) free( psz_user ); if( psz_pwd ) free( psz_pwd ); psz_user = psz_pwd = NULL; i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"), _("Please enter a valid login name and a password."), &psz_user, &psz_pwd ); if( i_result == DIALOG_OK_YES ) { msg_Dbg( p_demux, "retrying with user=%s, pwd=%s", psz_user, psz_pwd ); goto describe; } } else if( !var_GetBool( p_demux, "rtsp-http" ) ) { /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */ vlc_value_t val; val.b_bool = VLC_TRUE; msg_Dbg( p_demux, "we will now try HTTP tunneling mode" ); var_Set( p_demux, "rtsp-http", val ); if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp ); goto createnew; } else { msg_Dbg( p_demux, "connection timeout, retrying" ); if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp ); goto createnew; } i_ret = VLC_EGENERIC; } if( psz_url ) free( psz_url ); /* malloc-ated copy */ if( psz_user ) free( psz_user ); if( psz_pwd ) free( psz_pwd ); if( p_sys->p_sdp ) free( p_sys->p_sdp ); p_sys->p_sdp = NULL; if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp ); delete[] p_sdp; return i_ret; } /***************************************************************************** * SessionsSetup: prepares the subsessions and does the SETUP *****************************************************************************/ static int SessionsSetup( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; MediaSubsessionIterator *iter = NULL; MediaSubsession *sub = NULL; vlc_bool_t b_rtsp_tcp = VLC_FALSE; int i_client_port; int i_return = VLC_SUCCESS; unsigned int i_buffer = 0; unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */ b_rtsp_tcp = var_CreateGetBool( p_demux, "rtsp-tcp" ) || var_GetBool( p_demux, "rtsp-http" ); i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" ); /* Create the session from the SDP */ if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) ) { msg_Err( p_demux, "Could not create the RTSP Session: %s", p_sys->env->getResultMsg() ); return VLC_EGENERIC; } /* Initialise each media subsession */ iter = new MediaSubsessionIterator( *p_sys->ms ); while( ( sub = iter->next() ) != NULL ) { Boolean bInit; live_track_t *tk; /* Value taken from mplayer */ if( !strcmp( sub->mediumName(), "audio" ) ) i_buffer = 100000; else if( !strcmp( sub->mediumName(), "video" ) ) i_buffer = 2000000; else continue; if( i_client_port != -1 ) { sub->setClientPortNum( i_client_port ); i_client_port += 2; } if( strcasestr( sub->codecName(), "REAL" ) ) { msg_Info( p_demux, "real codec detected, using real-RTSP instead" ); p_sys->b_real = VLC_TRUE; /* This is a problem, we'll handle it later */ continue; } if( !strcmp( sub->codecName(), "X-ASF-PF" ) ) bInit = sub->initiate( 4 ); /* Constant ? */ else bInit = sub->initiate(); if( !bInit ) { msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)", sub->mediumName(), sub->codecName(), p_sys->env->getResultMsg() ); } else { if( sub->rtpSource() != NULL ) { int fd = sub->rtpSource()->RTPgs()->socketNum(); /* Increase the buffer size */ if( i_buffer > 0 ) increaseReceiveBufferTo( *p_sys->env, fd, i_buffer ); /* Increase the RTP reorder timebuffer just a bit */ sub->rtpSource()->setPacketReorderingThresholdTime(thresh); } msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(), sub->codecName() ); /* Issue the SETUP */ if( p_sys->rtsp ) { if( !( p_sys->rtsp->setupMediaSubsession( *sub, False, b_rtsp_tcp ? True : False ) ) ) { /* if we get an unsupported transport error, toggle TCP use and try again */ if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport") || !( p_sys->rtsp->setupMediaSubsession( *sub, False, b_rtsp_tcp ? False : True ) ) ) { msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(), sub->codecName(), p_sys->env->getResultMsg() ); continue; } } } /* Check if we will receive data from this subsession for this track */ if( sub->readSource() == NULL ) continue; if( !p_sys->b_multicast ) { /* Check, because we need diff. rollover behaviour for multicast */ p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() ); } tk = (live_track_t*)malloc( sizeof( live_track_t ) ); tk->p_demux = p_demux; tk->sub = sub; tk->p_es = NULL; tk->b_quicktime = VLC_FALSE; tk->b_asf = VLC_FALSE; tk->b_muxed = VLC_FALSE; tk->p_out_muxed = NULL; tk->waiting = 0; tk->b_rtcp_sync = VLC_FALSE; tk->i_pts = 0; tk->i_buffer = 65536; tk->p_buffer = (uint8_t *)malloc( 65536 ); /* Value taken from mplayer */ if( !strcmp( sub->mediumName(), "audio" ) ) { es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') ); tk->fmt.audio.i_channels = sub->numChannels(); tk->fmt.audio.i_rate = sub->rtpTimestampFrequency(); if( !strcmp( sub->codecName(), "MPA" ) || !strcmp( sub->codecName(), "MPA-ROBUST" ) || !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' ); tk->fmt.audio.i_rate = 0; } else if( !strcmp( sub->codecName(), "AC3" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' ); tk->fmt.audio.i_rate = 0; } else if( !strcmp( sub->codecName(), "L16" ) ) { tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' ); tk->fmt.audio.i_bitspersample = 16; } else if( !strcmp( sub->codecName(), "L8" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' ); tk->fmt.audio.i_bitspersample = 8; } else if( !strcmp( sub->codecName(), "PCMU" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' ); } else if( !strcmp( sub->codecName(), "PCMA" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' ); } else if( !strncmp( sub->codecName(), "G726", 4 ) ) { tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' ); tk->fmt.audio.i_rate = 8000; tk->fmt.audio.i_channels = 1; if( !strcmp( sub->codecName()+5, "40" ) ) tk->fmt.i_bitrate = 40000; else if( !strcmp( sub->codecName()+5, "32" ) ) tk->fmt.i_bitrate = 32000; else if( !strcmp( sub->codecName()+5, "24" ) ) tk->fmt.i_bitrate = 24000; else if( !strcmp( sub->codecName()+5, "16" ) ) tk->fmt.i_bitrate = 16000; } else if( !strcmp( sub->codecName(), "AMR" ) ) { tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' ); } else if( !strcmp( sub->codecName(), "AMR-WB" ) ) { tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' ); } else if( !strcmp( sub->codecName(), "MP4A-LATM" ) ) { unsigned int i_extra; uint8_t *p_extra; tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' ); if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(), i_extra ) ) ) { tk->fmt.i_extra = i_extra; tk->fmt.p_extra = malloc( i_extra ); memcpy( tk->fmt.p_extra, p_extra, i_extra ); delete[] p_extra; } /* Because the "faad" decoder does not handle the LATM data length field at the start of each returned LATM frame, tell the RTP source to omit it. */ ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField(); } else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) ) { unsigned int i_extra; uint8_t *p_extra; tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' ); if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(), i_extra ) ) ) { tk->fmt.i_extra = i_extra; tk->fmt.p_extra = malloc( i_extra ); memcpy( tk->fmt.p_extra, p_extra, i_extra ); delete[] p_extra; } } else if( !strcmp( sub->codecName(), "X-ASF-PF" ) ) { tk->b_asf = VLC_TRUE; if( p_sys->p_out_asf == NULL ) p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf", p_demux->out ); } else if( !strcmp( sub->codecName(), "X-QT" ) || !strcmp( sub->codecName(), "X-QUICKTIME" ) ) { tk->b_quicktime = VLC_TRUE; } else if( !strcmp( sub->codecName(), "SPEEX" ) ) { tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' ); if ( sub->rtpTimestampFrequency() ) tk->fmt.audio.i_rate = sub->rtpTimestampFrequency(); else { msg_Warn( p_demux,"Using 8kHz as default sample rate." ); tk->fmt.audio.i_rate = 8000; } } } else if( !strcmp( sub->mediumName(), "video" ) ) { es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') ); if( !strcmp( sub->codecName(), "MPV" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' ); } else if( !strcmp( sub->codecName(), "H263" ) || !strcmp( sub->codecName(), "H263-1998" ) || !strcmp( sub->codecName(), "H263-2000" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' ); } else if( !strcmp( sub->codecName(), "H261" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' ); } else if( !strcmp( sub->codecName(), "H264" ) ) { unsigned int i_extra = 0; uint8_t *p_extra = NULL; tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' ); tk->fmt.b_packetized = VLC_FALSE; if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(), i_extra ) ) ) { tk->fmt.i_extra = i_extra; tk->fmt.p_extra = malloc( i_extra ); memcpy( tk->fmt.p_extra, p_extra, i_extra ); delete[] p_extra; } } else if( !strcmp( sub->codecName(), "JPEG" ) ) { tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' ); } else if( !strcmp( sub->codecName(), "MP4V-ES" ) ) { unsigned int i_extra; uint8_t *p_extra; tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' ); if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(), i_extra ) ) ) { tk->fmt.i_extra = i_extra; tk->fmt.p_extra = malloc( i_extra ); memcpy( tk->fmt.p_extra, p_extra, i_extra ); delete[] p_extra; } } else if( !strcmp( sub->codecName(), "X-QT" ) || !strcmp( sub->codecName(), "X-QUICKTIME" ) || !strcmp( sub->codecName(), "X-QDM" ) || !strcmp( sub->codecName(), "X-SV3V-ES" ) || !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) ) { tk->b_quicktime = VLC_TRUE; } else if( !strcmp( sub->codecName(), "MP2T" ) ) { tk->b_muxed = VLC_TRUE; tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out ); } else if( !strcmp( sub->codecName(), "MP2P" ) || !strcmp( sub->codecName(), "MP1S" ) ) { tk->b_muxed = VLC_TRUE; tk->p_out_muxed = stream_DemuxNew( p_demux, "ps", p_demux->out ); } else if( !strcmp( sub->codecName(), "X-ASF-PF" ) ) { tk->b_asf = VLC_TRUE; if( p_sys->p_out_asf == NULL ) p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf", p_demux->out );; } } if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf ) { tk->p_es = es_out_Add( p_demux->out, &tk->fmt ); } if( sub->rtcpInstance() != NULL ) { sub->rtcpInstance()->setByeHandler( StreamClose, tk ); } if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf ) { /* Append */ p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) ); p_sys->track[p_sys->i_track++] = tk; } else { /* BUG ??? */ msg_Err( p_demux, "unusable RTSP track. this should not happen" ); free( tk ); } } } delete iter; if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the starttime if possible */ p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 ); #else p_sys->i_npt_start = (int64_t) -1; #endif if( p_sys->i_npt_start < 0 ) p_sys->i_npt_start = -1; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the duration if possible */ p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 ); #else p_sys->i_npt_length = (int64_t) -1; #endif if( p_sys->i_npt_length < 0 ) p_sys->i_npt_length = -1; msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length ); return i_return; } /***************************************************************************** * Play: starts the actual playback of the stream *****************************************************************************/ static int Play( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; int i; if( p_sys->rtsp ) { /* The PLAY */ if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) ) { msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() ); return VLC_EGENERIC; } /* Retrieve the timeout value and set up a timeout prevention thread */ p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter(); if( p_sys->i_timeout <= 0 ) p_sys->i_timeout = 60; /* default value from RFC2326 */ if( !p_sys->p_timeout ) { msg_Dbg( p_demux, "We have a timeout of %d seconds", p_sys->i_timeout ); p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) ); p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */ if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention, VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) ) { msg_Err( p_demux, "cannot spawn liveMedia timeout thread" ); vlc_object_destroy( p_sys->p_timeout ); } msg_Dbg( p_demux, "spawned timeout thread" ); vlc_object_attach( p_sys->p_timeout, p_demux ); } } p_sys->i_pcr = 0; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600) for( i = 0; i < p_sys->i_track; i++ ) { if( !p_sys->track[i]->b_rtcp_sync ) p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 ); p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum; msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq ); } #endif #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the starttime if possible */ p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 ); #else p_sys->i_npt_start = -1; #endif if( p_sys->i_npt_start < 0 ) { p_sys->i_npt_start = -1; p_sys->i_npt = 0; } else p_sys->i_npt = p_sys->i_npt_start; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the duration if possible */ p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 ); #else p_sys->i_npt_length = -1; #endif if( p_sys->i_npt_length < 0 ) p_sys->i_npt_length = -1; msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length ); return VLC_SUCCESS; } /***************************************************************************** * Demux: *****************************************************************************/ static int Demux( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; TaskToken task; vlc_bool_t b_send_pcr = VLC_TRUE; int64_t i_pcr = 0; int i; /* Check if we need to send the server a Keep-A-Live signal */ if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms ) { char *psz_bye = NULL; p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye ); p_sys->b_timeout_call = VLC_FALSE; } for( i = 0; i < p_sys->i_track; i++ ) { live_track_t *tk = p_sys->track[i]; if( tk->b_asf || tk->b_muxed ) b_send_pcr = VLC_FALSE; #if 0 if( i_pcr == 0 ) { i_pcr = tk->i_pts; } else if( tk->i_pts != 0 && i_pcr > tk->i_pts ) { i_pcr = tk->i_pts ; } #endif } if( p_sys->i_pcr > 0 ) { if( b_send_pcr ) es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr ); } /* First warn we want to read data */ p_sys->event = 0; for( i = 0; i < p_sys->i_track; i++ ) { live_track_t *tk = p_sys->track[i]; if( tk->waiting == 0 ) { tk->waiting = 1; tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer, StreamRead, tk, StreamClose, tk ); } } /* Create a task that will be called if we wait more than 300ms */ task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux ); /* Do the read */ p_sys->scheduler->doEventLoop( &p_sys->event ); /* remove the task */ p_sys->scheduler->unscheduleDelayedTask( task ); /* Check for gap in pts value */ for( i = 0; i < p_sys->i_track; i++ ) { live_track_t *tk = p_sys->track[i]; if( !tk->b_muxed && !tk->b_rtcp_sync && tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() ) { msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" ); es_out_Control( p_demux->out, ES_OUT_RESET_PCR ); tk->b_rtcp_sync = VLC_TRUE; /* reset PCR */ tk->i_pts = 0; p_sys->i_pcr = 0; i_pcr = 0; } } if( p_sys->b_multicast && p_sys->b_no_data && ( p_sys->i_no_data_ti > 120 ) ) { /* FIXME Make this configurable msg_Err( p_demux, "no multicast data received in 36s, aborting" ); return 0; */ } else if( !p_sys->b_multicast && p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) ) { vlc_bool_t b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) || var_GetBool( p_demux, "rtsp-http" ); if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms ) { msg_Warn( p_demux, "no data received in 10s. Switching to TCP" ); if( RollOverTcp( p_demux ) ) { msg_Err( p_demux, "TCP rollover failed, aborting" ); return 0; } } else if( p_sys->i_no_data_ti > 34 ) { msg_Err( p_demux, "no data received in 10s, aborting" ); return 0; } } else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 ) { /* EOF ? */ msg_Warn( p_demux, "no data received in 10s, eof ?" ); return 0; } return p_demux->b_error ? 0 : 1; } /***************************************************************************** * Control: *****************************************************************************/ static int Control( demux_t *p_demux, int i_query, va_list args ) { demux_sys_t *p_sys = p_demux->p_sys; int64_t *pi64; double *pf, f; vlc_bool_t *pb, *pb2, b_bool; int *pi_int; switch( i_query ) { case DEMUX_GET_TIME: pi64 = (int64_t*)va_arg( args, int64_t * ); if( p_sys->i_npt > 0 ) { *pi64 = p_sys->i_npt; return VLC_SUCCESS; } return VLC_EGENERIC; case DEMUX_GET_LENGTH: pi64 = (int64_t*)va_arg( args, int64_t * ); if( p_sys->i_npt_length > 0 ) { *pi64 = p_sys->i_npt_length; return VLC_SUCCESS; } return VLC_EGENERIC; case DEMUX_GET_POSITION: pf = (double*)va_arg( args, double* ); if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 ) { *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length; return VLC_SUCCESS; } return VLC_EGENERIC; case DEMUX_SET_POSITION: { float time; f = (double)va_arg( args, double ); if( p_sys->rtsp && p_sys->i_npt_length > 0 ) { int i; time = f * (double)p_sys->i_npt_length / (double)1000000.0; /* in second */ if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) ) { msg_Err( p_demux, "PLAY failed %s", p_sys->env->getResultMsg() ); return VLC_EGENERIC; } es_out_Control( p_demux->out, ES_OUT_RESET_PCR ); p_sys->i_pcr = 0; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600) /* Retrieve RTP-Info values */ for( i = 0; i < p_sys->i_track; i++ ) { //if( !p_sys->track[i]->b_rtcp_sync ) p_sys->track[i]->b_rtcp_sync = VLC_FALSE; p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 ); p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum; msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq ); } #endif #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the starttime if possible */ p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 ); #else p_sys->i_npt_start = -1; #endif if( p_sys->i_npt_start < 0 ) { p_sys->i_npt_start = -1; p_sys->i_npt = 0; } else p_sys->i_npt = p_sys->i_npt_start; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the duration if possible */ p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 ); #else p_sys->i_npt_length = -1; #endif if( p_sys->i_npt_length < 0 ) p_sys->i_npt_length = -1; msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length ); return VLC_SUCCESS; } return VLC_EGENERIC; } /* Special for access_demux */ case DEMUX_CAN_PAUSE: pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * ); if( p_sys->rtsp && p_sys->i_npt_length ) /* Not always true, but will be handled in SET_PAUSE_STATE */ *pb = VLC_TRUE; else *pb = VLC_FALSE; return VLC_SUCCESS; case DEMUX_CAN_CONTROL_PACE: pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * ); #if 1 /* Disable for now until we have a clock synchro algo * which works with something else than MPEG over UDP */ *pb = VLC_FALSE; #else *pb = VLC_TRUE; #endif return VLC_SUCCESS; #if 0 case DEMUX_CAN_CONTROL_RATE: pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * ); pb2 = (vlc_bool_t*)va_arg( args, vlc_bool_t * ); *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" ); *pb2 = VLC_FALSE; return VLC_SUCCESS; case DEMUX_SET_RATE: { double f_scale; if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) ) return VLC_EGENERIC; /* TODO we might want to ensure that the new rate is different from * old rate after playMediaSession... * I have no idea how the server map the requested rate to the * ones it supports. * ex: * current is x2 we request x1.5 if the server return x2 we will * never succeed to return to x1. * In this case we should retry with a lower rate until we have * one (even x1). */ pi_int = (int*)va_arg( args, int * ); f_scale = (double)INPUT_RATE_DEFAULT / (*p_int); /* Passing -1 for the start and end time will mean liveMedia won't * create a Range: section for the RTSP message. The server should * pick up from the current position */ if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) ) { msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale, p_sys->env->getResultMsg() ); return VLC_EGENERIC; } /* ReSync the stream */ p_sys->i_npt_start = 0; p_sys->i_pcr = 0; es_out_Control( p_demux->out, ES_OUT_RESET_PCR ); *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 ); return VLC_SUCCESS; } #endif case DEMUX_SET_PAUSE_STATE: { double d_npt = (double) p_sys->i_npt / I64C(1000000); int i; b_bool = (vlc_bool_t)va_arg( args, vlc_bool_t ); if( p_sys->rtsp == NULL ) return VLC_EGENERIC; /* FIXME */ if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) || ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms, d_npt > 0 ? d_npt : -1 ) ) ) { msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() ); return VLC_EGENERIC; } /* When we Pause, we'll need the TimeoutPrevention thread to * handle sending the "Keep Alive" message to the server. * Unfortunately Live555 isn't thread safe and so can't * do this normally while the main Demux thread is handling * a live stream. We end up with the Timeout thread blocking * waiting for a response from the server. So when we PAUSE * we set a flag that the TimeoutPrevention function will check * and if it's set, it will trigger the GET_PARAMETER message */ if( b_bool && p_sys->p_timeout != NULL ) p_sys->p_timeout->b_handle_keep_alive = VLC_TRUE; else if( !b_bool && p_sys->p_timeout != NULL ) p_sys->p_timeout->b_handle_keep_alive = VLC_FALSE; es_out_Control( p_demux->out, ES_OUT_RESET_PCR ); p_sys->i_pcr = 0; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600) for( i = 0; i < p_sys->i_track; i++ ) { if( !p_sys->track[i]->b_rtcp_sync ) p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 ); p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum; msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq ); } #endif #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the starttime if possible */ p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 ); #else p_sys->i_npt_start = -1; #endif if( p_sys->i_npt_start < 0 ) { p_sys->i_npt_start = -1; p_sys->i_npt = 0; } else p_sys->i_npt = p_sys->i_npt_start; #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999) /* Retrieve the duration if possible */ p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 ); #else p_sys->i_npt_length = -1; #endif if( p_sys->i_npt_length < 0 ) p_sys->i_npt_length = -1; msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length ); return VLC_SUCCESS; } case DEMUX_GET_TITLE_INFO: case DEMUX_SET_TITLE: case DEMUX_SET_SEEKPOINT: return VLC_EGENERIC; case DEMUX_GET_PTS_DELAY: pi64 = (int64_t*)va_arg( args, int64_t * ); *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000; return VLC_SUCCESS; default: return VLC_EGENERIC; } } /***************************************************************************** * RollOverTcp: reopen the rtsp into TCP mode * XXX: ugly, a lot of code are duplicated from Open() * This should REALLY be fixed *****************************************************************************/ static int RollOverTcp( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; int i, i_return; var_SetBool( p_demux, "rtsp-tcp", VLC_TRUE ); /* We close the old RTSP session */ for( i = 0; i < p_sys->i_track; i++ ) { live_track_t *tk = p_sys->track[i]; if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed ); free( tk->p_buffer ); free( tk ); } if( p_sys->i_track ) free( p_sys->track ); if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf ); p_sys->rtsp->teardownMediaSession( *p_sys->ms ); Medium::close( p_sys->ms ); RTSPClient::close( p_sys->rtsp ); p_sys->ms = NULL; p_sys->rtsp = NULL; p_sys->track = NULL; p_sys->i_track = 0; /* Reopen rtsp client */ if( ( p_demux->s != NULL ) && ( i_return = Connect( p_demux ) ) != VLC_SUCCESS ) { msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path ); goto error; } if( p_sys->p_sdp == NULL ) { msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" ); goto error; } if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS ) { msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path ); goto error; } if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS ) goto error; return VLC_SUCCESS; error: return VLC_EGENERIC; } /***************************************************************************** * *****************************************************************************/ static void StreamRead( void *p_private, unsigned int i_size, unsigned int i_truncated_bytes, struct timeval pts, unsigned int duration ) { live_track_t *tk = (live_track_t*)p_private; demux_t *p_demux = tk->p_demux; demux_sys_t *p_sys = p_demux->p_sys; block_t *p_block; //msg_Dbg( p_demux, "pts: %d", pts.tv_sec ); int64_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) + (uint64_t)pts.tv_usec; /* XXX Beurk beurk beurk Avoid having negative value XXX */ i_pts &= UI64C(0x00ffffffffffffff); if( tk->b_quicktime && tk->p_es == NULL ) { QuickTimeGenericRTPSource *qtRTPSource = (QuickTimeGenericRTPSource*)tk->sub->rtpSource(); QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState; uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4]; if( tk->fmt.i_cat == VIDEO_ES ) { if( qtState.sdAtomSize < 16 + 32 ) { /* invalid */ p_sys->event = 0xff; tk->waiting = 0; return; } tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]); tk->fmt.video.i_width = (sdAtom[28] << 8) | sdAtom[29]; tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31]; if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') ) { uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86; uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom + qtRTPSource->qtState.sdAtomSize; while (pos+8 < endpos) { unsigned atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3]; if( atomLength == 0 || atomLength > endpos-pos) break; if( memcmp(pos+4, "avcC", 4) == 0 && atomLength > 8 && atomLength <= INT_MAX ) { tk->fmt.i_extra = atomLength-8; tk->fmt.p_extra = malloc( tk->fmt.i_extra ); memcpy(tk->fmt.p_extra, pos+8, atomLength-8); break; } pos += atomLength; } } else { tk->fmt.i_extra = qtState.sdAtomSize - 16; tk->fmt.p_extra = malloc( tk->fmt.i_extra ); memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra ); } } else { if( qtState.sdAtomSize < 4 ) { /* invalid */ p_sys->event = 0xff; tk->waiting = 0; return; } tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]); } tk->p_es = es_out_Add( p_demux->out, &tk->fmt ); } #if 0 fprintf( stderr, "StreamRead size=%d pts=%lld\n", i_size, pts.tv_sec * 1000000LL + pts.tv_usec ); #endif /* grow buffer if it looks like buffer is too small, but don't eat * up all the memory on strange streams */ if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 ) { void *p_tmp; msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes ); msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 ); tk->i_buffer *= 2; p_tmp = realloc( tk->p_buffer, tk->i_buffer ); if( p_tmp == NULL ) { msg_Warn( p_demux, "realloc failed" ); } else { tk->p_buffer = (uint8_t*)p_tmp; } } if( i_size > tk->i_buffer ) { msg_Warn( p_demux, "buffer overflow" ); } /* FIXME could i_size be > buffer size ? */ if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') || tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') ) { AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource(); p_block = block_New( p_demux, i_size + 1 ); p_block->p_buffer[0] = amrSource->lastFrameHeader(); memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size ); } else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') ) { #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800 H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource(); uint32_t header = h261Source->lastSpecialHeader(); #else uint32_t header = 0; msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" ); #endif p_block = block_New( p_demux, i_size + 4 ); memcpy( p_block->p_buffer, &header, 4 ); memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size ); if( tk->sub->rtpSource()->curPacketMarkerBit() ) p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME; } else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') ) { if( (tk->p_buffer[0] & 0x1f) >= 24 ) msg_Warn( p_demux, "unsupported NAL type for H264" ); /* Normal NAL type */ p_block = block_New( p_demux, i_size + 4 ); p_block->p_buffer[0] = 0x00; p_block->p_buffer[1] = 0x00; p_block->p_buffer[2] = 0x00; p_block->p_buffer[3] = 0x01; memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size ); } else if( tk->b_asf ) { int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size ); p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size ); memcpy( p_block->p_buffer, tk->p_buffer, i_copy ); } else { p_block = block_New( p_demux, i_size ); memcpy( p_block->p_buffer, tk->p_buffer, i_size ); } /* Update NPT */ //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq ); if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) && (i_pts > 0) && (p_sys->i_pcr > 0) ) { p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr ); p_sys->i_pcr = i_pts; //msg_Dbg( p_demux, "npt update" ); } else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts ) { p_sys->i_pcr = i_pts; } //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt ); if( (i_pts != tk->i_pts) && (!tk->b_muxed) ) { p_block->i_dts = ( tk->fmt.i_cat == VIDEO_ES ) ? 0 : i_pts; p_block->i_pts = i_pts; } if( tk->b_muxed ) { stream_DemuxSend( tk->p_out_muxed, p_block ); } else if( tk->b_asf ) { stream_DemuxSend( p_sys->p_out_asf, p_block ); } else { es_out_Send( p_demux->out, tk->p_es, p_block ); } /* warn that's ok */ p_sys->event = 0xff; /* we have read data */ tk->waiting = 0; p_demux->p_sys->b_no_data = VLC_FALSE; p_demux->p_sys->i_no_data_ti = 0; if( i_pts > 0 && !tk->b_muxed ) { tk->i_pts = i_pts; } } /***************************************************************************** * *****************************************************************************/ static void StreamClose( void *p_private ) { live_track_t *tk = (live_track_t*)p_private; demux_t *p_demux = tk->p_demux; demux_sys_t *p_sys = p_demux->p_sys; msg_Dbg( p_demux, "StreamClose" ); p_sys->event = 0xff; p_demux->b_error = VLC_TRUE; } /***************************************************************************** * *****************************************************************************/ static void TaskInterrupt( void *p_private ) { demux_t *p_demux = (demux_t*)p_private; p_demux->p_sys->i_no_data_ti++; /* Avoid lock */ p_demux->p_sys->event = 0xff; } /***************************************************************************** * *****************************************************************************/ static void TimeoutPrevention( timeout_thread_t *p_timeout ) { p_timeout->b_die = VLC_FALSE; p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2; p_timeout->i_remain *= 1000000; vlc_thread_ready( p_timeout ); /* Avoid lock */ while( !p_timeout->b_die ) { if( p_timeout->i_remain <= 0 ) { char *psz_bye = NULL; p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2; p_timeout->i_remain *= 1000000; msg_Dbg( p_timeout, "reset the timeout timer" ); if( p_timeout->b_handle_keep_alive == VLC_TRUE ) { #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye ); #endif p_timeout->p_sys->b_timeout_call = VLC_FALSE; } else { p_timeout->p_sys->b_timeout_call = VLC_TRUE; } } p_timeout->i_remain -= 200000; msleep( 200000 ); /* 200 ms */ } } /***************************************************************************** * *****************************************************************************/ static int b64_decode( char *dest, char *src ); static int ParseASF( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,"; char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker ); char *psz_end; block_t *p_header; /* Parse the asf header */ if( psz_asf == NULL ) return VLC_EGENERIC; psz_asf += strlen( psz_marker ); psz_asf = strdup( psz_asf ); /* Duplicate it */ psz_end = strchr( psz_asf, '\n' ); while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) ) *psz_end-- = '\0'; if( psz_asf >= psz_end ) { free( psz_asf ); return VLC_EGENERIC; } /* Always smaller */ p_header = block_New( p_demux, psz_end - psz_asf ); p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf ); //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf ); if( p_header->i_buffer <= 0 ) { free( psz_asf ); return VLC_EGENERIC; } /* Parse it to get packet size */ E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer ); /* Send it to demuxer */ stream_DemuxSend( p_sys->p_out_asf, p_header ); free( psz_asf ); return VLC_SUCCESS; } static unsigned char* parseH264ConfigStr( char const* configStr, unsigned int& configSize ) { char *dup, *psz; int i, i_records = 1; if( configSize ) configSize = 0; if( configStr == NULL || *configStr == '\0' ) return NULL; psz = dup = strdup( configStr ); /* Count the number of comma's */ for( psz = dup; *psz != '\0'; ++psz ) { if( *psz == ',') { ++i_records; *psz = '\0'; } } unsigned char *cfg = new unsigned char[5 * strlen(dup)]; psz = dup; for( i = 0; i < i_records; i++ ) { cfg[configSize++] = 0x00; cfg[configSize++] = 0x00; cfg[configSize++] = 0x00; cfg[configSize++] = 0x01; configSize += b64_decode( (char*)&cfg[configSize], psz ); psz += strlen(psz)+1; } if( dup ) free( dup ); return cfg; } /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/ static int b64_decode( char *dest, char *src ) { const char *dest_start = dest; int i_level; int last = 0; int b64[256] = { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 00-0F */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 10-1F */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63, /* 20-2F */ 52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1, /* 30-3F */ -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14, /* 40-4F */ 15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1, /* 50-5F */ -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40, /* 60-6F */ 41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1, /* 70-7F */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 80-8F */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 90-9F */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* A0-AF */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* B0-BF */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* C0-CF */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* D0-DF */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* E0-EF */ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 /* F0-FF */ }; for( i_level = 0; *src != '\0'; src++ ) { int c; c = b64[(unsigned int)*src]; if( c == -1 ) { continue; } switch( i_level ) { case 0: i_level++; break; case 1: *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 ); i_level++; break; case 2: *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f ); i_level++; break; case 3: *dest++ = ( ( last &0x03 ) << 6 ) | c; i_level = 0; } last = c; } *dest = '\0'; return dest - dest_start; }