live555.cpp
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上传日期:2020-07-06
资源大小:29949k
文件大小:65k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * live555.cpp : LIVE555 Streaming Media support.
- *****************************************************************************
- * Copyright (C) 2003-2007 the VideoLAN team
- * $Id: 80a59a33d3fb8716e5c1ecc9c844143613629856 $
- *
- * 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
- *****************************************************************************/
- /* For inttypes.h
- * Note: config.h may include inttypes.h, so make sure we define this option
- * early enough. */
- #define __STDC_CONSTANT_MACROS 1
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <inttypes.h>
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_input.h>
- #include <vlc_demux.h>
- #include <vlc_dialog.h>
- #include <vlc_network.h>
- #include <vlc_url.h>
- #include <iostream>
- #include <limits.h>
- #include <assert.h>
- #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( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
- set_capability( "demux", 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( N_("RTSP/RTP access and demux") )
- add_shortcut( "rtsp" )
- add_shortcut( "sdp" )
- add_shortcut( "live" )
- add_shortcut( "livedotcom" )
- 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)"), true )
- change_safe()
- add_integer( "rtp-client-port", -1, NULL,
- N_("Client port"),
- N_("Port to use for the RTP source of the session"), true )
- add_bool( "rtsp-mcast", false, NULL,
- N_("Force multicast RTP via RTSP"),
- N_("Force multicast RTP via RTSP"), true )
- change_safe()
- add_bool( "rtsp-http", 0, NULL,
- N_("Tunnel RTSP and RTP over HTTP"),
- N_("Tunnel RTSP and RTP over HTTP"), true )
- change_safe()
- add_integer( "rtsp-http-port", 80, NULL,
- N_("HTTP tunnel port"),
- N_("Port to use for tunneling the RTSP/RTP over HTTP."),
- true )
- add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
- CACHING_TEXT, CACHING_LONGTEXT, true )
- change_safe()
- add_bool( "rtsp-kasenna", false, NULL, KASENNA_TEXT,
- KASENNA_LONGTEXT, true )
- add_string( "rtsp-user", NULL, NULL, USER_TEXT,
- USER_LONGTEXT, true )
- change_safe()
- add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
- PASS_LONGTEXT, true )
- change_safe()
- vlc_module_end ()
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- typedef struct
- {
- demux_t *p_demux;
- MediaSubsession *sub;
- es_format_t fmt;
- es_out_id_t *p_es;
- bool b_muxed;
- bool b_quicktime;
- bool b_asf;
- stream_t *p_out_muxed; /* for muxed stream */
- uint8_t *p_buffer;
- unsigned int i_buffer;
- bool b_rtcp_sync;
- char waiting;
- int64_t i_pts;
- float i_npt;
- } live_track_t;
- struct timeout_thread_t
- {
- demux_sys_t *p_sys;
- vlc_thread_t handle;
- bool b_handle_keep_alive;
- };
- 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;
- bool b_real;
- /* */
- int64_t i_pcr; /* The clock */
- float i_npt;
- float i_npt_length;
- float i_npt_start;
- /* timeout thread information */
- int i_timeout; /* session timeout value in seconds */
- bool 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 */
- /* */
- bool b_force_mcast;
- bool b_multicast; /* if one of the tracks is multicasted */
- bool b_no_data; /* if we never received any data */
- int i_no_data_ti; /* consecutive number of TaskInterrupt */
- char event;
- bool b_get_param; /* Does the server support GET_PARAMETER */
- bool b_paused; /* Are we paused? */
- };
- 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( void * );
- 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;
- 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=0rn", 5 ) &&
- memcmp( p_peek, "v=0n", 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 = true;
- p_sys->i_no_data_ti = 0;
- p_sys->p_timeout = NULL;
- p_sys->i_timeout = 0;
- p_sys->b_timeout_call = false;
- p_sys->b_multicast = false;
- p_sys->b_real = false;
- p_sys->psz_path = strdup( p_demux->psz_path );
- p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
- p_sys->b_get_param = false;
- p_sys->b_paused = false;
- /* 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( !vlc_object_alive (p_demux) || p_demux->b_error )
- {
- free( p_sdp );
- goto error;
- }
- if( i_read < 0 )
- {
- msg_Err( p_demux, "failed to read SDP" );
- free( p_sdp );
- goto error;
- }
- i_sdp += i_read;
- if( i_read < i_sdp_max - i_sdp - 1 )
- {
- p_sdp[i_sdp] = ' ';
- 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_Delete( tk->p_out_muxed );
- es_format_Clean( &tk->fmt );
- free( tk->p_buffer );
- free( tk );
- }
- if( p_sys->i_track ) free( p_sys->track );
- if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
- if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
- if( p_sys->p_timeout )
- {
- vlc_cancel( p_sys->p_timeout->handle );
- vlc_join( p_sys->p_timeout->handle, NULL );
- free( p_sys->p_timeout );
- }
- 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();
- delete p_sys->scheduler;
- free( p_sys->p_sdp );
- 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_Delete( tk->p_out_muxed );
- es_format_Clean( &tk->fmt );
- free( tk->p_buffer );
- free( tk );
- }
- if( p_sys->i_track ) free( p_sys->track );
- if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
- if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
- if( p_sys->p_timeout )
- {
- vlc_cancel( p_sys->p_timeout->handle );
- vlc_join( p_sys->p_timeout->handle, NULL );
- free( p_sys->p_timeout );
- }
- 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();
- delete p_sys->scheduler;
- free( p_sys->p_sdp );
- 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;
- /* Create the url using the port number if available */
- if( p_sys->url.i_port == 0 )
- {
- p_sys->url.i_port = 554;
- if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
- return VLC_ENOMEM;
- }
- else
- {
- if( asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
- p_sys->url.i_port, p_sys->url.psz_path ) == -1 )
- return VLC_ENOMEM;
- }
- /* Get the user name and password */
- if( p_sys->url.psz_username || p_sys->url.psz_password )
- {
- psz_user = strdup( p_sys->url.psz_username ? p_sys->url.psz_username : "" );
- psz_pwd = strdup( p_sys->url.psz_password ? p_sys->url.psz_password : "");
- }
- else
- {
- psz_user = var_CreateGetString( p_demux, "rtsp-user" );
- psz_pwd = var_CreateGetString( p_demux, "rtsp-pwd" );
- }
- createnew:
- if( !vlc_object_alive (p_demux) || p_demux->b_error )
- {
- free( psz_user );
- free( psz_pwd );
- free( psz_url );
- return VLC_EGENERIC;
- }
- 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,
- var_CreateGetInteger( p_demux, "verbose" ) > 1,
- "VLC media player", i_http_port ) ) == NULL )
- {
- msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
- p_sys->env->getResultMsg() );
- free( psz_user );
- free( psz_pwd );
- free( psz_url );
- 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" ))
- {
- p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
- }
- describe:
- authenticator.setUsernameAndPassword( (const char*)psz_user,
- (const char*)psz_pwd );
- /* */
- const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
- #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
- psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
- &authenticator, i_timeout );
- #else
- psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
- &authenticator );
- #endif
- if( psz_options == NULL && authenticator.realm() != NULL )
- {
- // try again, with the realm set this time
- #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
- psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
- &authenticator, i_timeout );
- #else
- psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
- &authenticator );
- #endif
- }
- if( psz_options )
- p_sys->b_get_param = strstr( psz_options, "GET_PARAMETER" ) ? true : false ;
- delete [] psz_options;
- #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
- p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
- var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
- #else
- p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
- var_GetBool( p_demux, "rtsp-kasenna" ) );
- #endif
- if( p_sdp == NULL )
- {
- /* failure occurred */
- int i_code = 0;
- const char *psz_error = p_sys->env->getResultMsg();
- if( var_GetBool( p_demux, "rtsp-http" ) )
- sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
- &i_code );
- else
- {
- const char *psz_tmp = strstr( psz_error, "RTSP" );
- if( psz_tmp )
- sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
- else
- i_code = 0;
- }
- msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
- if( i_code == 401 )
- {
- msg_Dbg( p_demux, "authentication failed" );
- free( psz_user );
- free( psz_pwd );
- dialog_Login( p_demux, &psz_user, &psz_pwd,
- _("RTSP authentication"), "%s",
- _("Please enter a valid login name and a password.") );
- if( psz_user != NULL && psz_pwd != NULL )
- {
- msg_Dbg( p_demux, "retrying with user=%s", psz_user );
- goto describe;
- }
- }
- else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
- {
- /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
- vlc_value_t val;
- val.b_bool = 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 );
- p_sys->rtsp = NULL;
- goto createnew;
- }
- else
- {
- msg_Dbg( p_demux, "connection timeout" );
- if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
- p_sys->rtsp = NULL;
- }
- i_ret = VLC_EGENERIC;
- }
- /* malloc-ated copy */
- free( psz_url );
- free( psz_user );
- free( psz_pwd );
- 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;
- bool b_rtsp_tcp = 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;
- if( !vlc_object_alive (p_demux) || p_demux->b_error )
- {
- delete iter;
- return VLC_EGENERIC;
- }
- /* 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 = 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,
- ( p_sys->b_force_mcast && !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,
- False ) )
- {
- 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 ) );
- if( !tk )
- {
- delete iter;
- return VLC_ENOMEM;
- }
- tk->p_demux = p_demux;
- tk->sub = sub;
- tk->p_es = NULL;
- tk->b_quicktime = false;
- tk->b_asf = false;
- tk->b_muxed = false;
- tk->p_out_muxed = NULL;
- tk->waiting = 0;
- tk->b_rtcp_sync = false;
- tk->i_pts = 0;
- tk->i_npt = 0.;
- tk->i_buffer = 65536;
- tk->p_buffer = (uint8_t *)malloc( 65536 );
- if( !tk->p_buffer )
- {
- free( tk );
- delete iter;
- return VLC_ENOMEM;
- }
- /* 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 = 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 = 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 = 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 = true;
- }
- else if( !strcmp( sub->codecName(), "MP2T" ) )
- {
- tk->b_muxed = 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 = true;
- tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
- p_demux->out );
- }
- else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
- {
- tk->b_asf = 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" );
- es_format_Clean( &tk->fmt );
- free( tk );
- }
- }
- }
- delete iter;
- if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
- /* Retrieve the starttime if possible */
- p_sys->i_npt_start = p_sys->ms->playStartTime();
- /* Retrieve the duration if possible */
- p_sys->i_npt_length = p_sys->ms->playEndTime();
- /* */
- msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
- /* */
- p_sys->b_no_data = true;
- p_sys->i_no_data_ti = 0;
- 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;
- 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 */
- /* start timeout-thread only if GET_PARAMETER is supported by the server */
- if( !p_sys->p_timeout && p_sys->b_get_param )
- {
- msg_Dbg( p_demux, "We have a timeout of %d seconds", p_sys->i_timeout );
- p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
- if( p_sys->p_timeout )
- {
- memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
- p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
- if( vlc_clone( &p_sys->p_timeout->handle, TimeoutPrevention,
- p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
- {
- msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
- free( p_sys->p_timeout );
- p_sys->p_timeout = NULL;
- }
- else
- msg_Dbg( p_demux, "spawned timeout thread" );
- }
- else
- msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
- }
- }
- p_sys->i_pcr = 0;
- /* Retrieve the starttime if possible */
- p_sys->i_npt_start = p_sys->ms->playStartTime();
- p_sys->i_npt_length = p_sys->ms->playEndTime();
- msg_Dbg( p_demux, "play start: %f stop:%f", 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;
- bool b_send_pcr = 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 = 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 = 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 = true;
- /* reset PCR */
- tk->i_pts = 0;
- tk->i_npt = 0.;
- p_sys->i_pcr = 0;
- p_sys->i_npt = 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_paused &&
- p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
- {
- bool 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;
- }
- return 1;
- }
- msg_Err( p_demux, "no data received in 10s, aborting" );
- return 0;
- }
- else if( !p_sys->b_multicast && !p_sys->b_paused &&
- ( 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, i64;
- double *pf, f;
- bool *pb, *pb2;
- 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 = (int64_t)(p_sys->i_npt * 1000000.);
- 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 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
- 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:
- case DEMUX_SET_TIME:
- if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
- {
- int i;
- float time;
- if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
- {
- i64 = (int64_t)va_arg( args, int64_t );
- time = (float)((double)i64 / (double)1000000.0); /* in second */
- }
- else if( i_query == DEMUX_SET_TIME )
- return VLC_EGENERIC;
- else
- {
- f = (double)va_arg( args, double );
- time = f * (double)p_sys->i_npt_length; /* in second */
- }
- if( !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ||
- !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
- {
- msg_Err( p_demux, "PLAY failed %s",
- p_sys->env->getResultMsg() );
- return VLC_EGENERIC;
- }
- p_sys->i_pcr = 0;
- /* Retrieve RTP-Info values */
- for( i = 0; i < p_sys->i_track; i++ )
- {
- p_sys->track[i]->b_rtcp_sync = false;
- p_sys->track[i]->i_pts = 0;
- }
- /* Retrieve the starttime if possible */
- p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
- /* Retrieve the duration if possible */
- p_sys->i_npt_length = p_sys->ms->playEndTime();
- msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
- return VLC_SUCCESS;
- }
- return VLC_EGENERIC;
- /* Special for access_demux */
- case DEMUX_CAN_PAUSE:
- case DEMUX_CAN_SEEK:
- pb = (bool*)va_arg( args, bool * );
- if( p_sys->rtsp && p_sys->i_npt_length > 0 )
- /* Not always true, but will be handled in SET_PAUSE_STATE */
- *pb = true;
- else
- *pb = false;
- return VLC_SUCCESS;
- case DEMUX_CAN_CONTROL_PACE:
- pb = (bool*)va_arg( args, bool * );
- #if 1 /* Disable for now until we have a clock synchro algo
- * which works with something else than MPEG over UDP */
- *pb = false;
- #else
- *pb = true;
- #endif
- return VLC_SUCCESS;
- case DEMUX_CAN_CONTROL_RATE:
- pb = (bool*)va_arg( args, bool * );
- pb2 = (bool*)va_arg( args, bool * );
- *pb = (p_sys->rtsp != NULL) &&
- (p_sys->i_npt_length > 0) &&
- !var_GetBool( p_demux, "rtsp-kasenna" );
- *pb2 = false;
- return VLC_SUCCESS;
- case DEMUX_SET_RATE:
- {
- double f_scale, f_old_scale;
- if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
- var_GetBool( p_demux, "rtsp-kasenna" ) )
- return VLC_EGENERIC;
- /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
- * supports Scale should:
- *
- * "The server should try to approximate the viewing rate, but may
- * restrict the range of scale values that it supports. The response
- * MUST contain the actual scale value chosen by the server."
- *
- * Scale = 1 indicates normal play
- * Scale > 1 indicates fast forward
- * Scale < 1 && Scale > 0 indicates slow motion
- * Scale < 0 value indicates rewind
- */
- pi_int = (int*)va_arg( args, int * );
- f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
- f_old_scale = p_sys->ms->scale();
- /* 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;
- }
- if( p_sys->ms->scale() == f_old_scale )
- {
- msg_Err( p_demux, "no scale change using old Scale %0.2f",
- p_sys->ms->scale() );
- return VLC_EGENERIC;
- }
- /* ReSync the stream */
- p_sys->i_npt_start = 0;
- p_sys->i_pcr = 0;
- p_sys->i_npt = 0.0;
- *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
- msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
- return VLC_SUCCESS;
- }
- case DEMUX_SET_PAUSE_STATE:
- {
- p_sys->b_paused = (bool)va_arg( args, int );
- if( p_sys->rtsp == NULL )
- return VLC_EGENERIC;
- /* FIXME */
- if( ( p_sys->b_paused && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
- ( !p_sys->b_paused && !p_sys->rtsp->playMediaSession( *p_sys->ms,
- -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( p_sys->b_paused && p_sys->p_timeout != NULL )
- p_sys->p_timeout->b_handle_keep_alive = true;
- else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
- p_sys->p_timeout->b_handle_keep_alive = false;
- if( !p_sys->b_paused )
- {
- for( int i = 0; i < p_sys->i_track; i++ )
- {
- live_track_t *tk = p_sys->track[i];
- tk->b_rtcp_sync = false;
- tk->i_pts = 0;
- p_sys->i_pcr = 0;
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
- }
- }
- /* Reset data received counter */
- p_sys->i_no_data_ti = 0;
- /* Retrieve the starttime if possible */
- p_sys->i_npt_start = p_sys->ms->playStartTime();
- /* Retrieve the duration if possible */
- p_sys->i_npt_length = p_sys->ms->playEndTime();
- msg_Dbg( p_demux, "pause start: %f stop:%f", 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", 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_Delete( tk->p_out_muxed );
- if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
- es_format_Clean( &tk->fmt );
- free( tk->p_buffer );
- free( tk );
- }
- if( p_sys->i_track ) free( p_sys->track );
- if( p_sys->p_out_asf ) stream_Delete( 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;
- p_sys->b_no_data = true;
- p_sys->i_no_data_ti = 0;
- /* Reopen rtsp client */
- 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" );
- 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 = (int64_t)pts.tv_sec * INT64_C(1000000) +
- (int64_t)pts.tv_usec;
- /* XXX Beurk beurk beurk Avoid having negative value XXX */
- i_pts &= INT64_C(0x00ffffffffffffff);
- /* Retrieve NPT for this pts */
- tk->i_npt = tk->sub->getNormalPlayTime(pts);
- 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 int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
- if( atomLength == 0 || atomLength > (unsigned int)(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=%lldn",
- 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') )
- {
- H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
- uint32_t header = h261Source->lastSpecialHeader();
- 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 );
- }
- if( p_sys->i_pcr < i_pts )
- {
- p_sys->i_pcr = i_pts;
- }
- if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
- {
- p_block->i_pts = i_pts;
- }
- /* Update our global npt value */
- if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
- p_sys->i_npt = tk->i_npt;
- if( !tk->b_muxed )
- {
- /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
- p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : 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 = 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 = 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( void *p_data )
- {
- timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
- for( ;; )
- {
- /* Voodoo (= no) thread safety here! *Ahem* */
- if( p_timeout->b_handle_keep_alive )
- {
- char *psz_bye = NULL;
- int canc = vlc_savecancel ();
- p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
- vlc_restorecancel (canc);
- }
- p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
- msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
- }
- assert(0); /* dead code */
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- 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-- = ' ';
- 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 */
- 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 == ' ' )
- return NULL;
- psz = dup = strdup( configStr );
- /* Count the number of comma's */
- for( psz = dup; *psz != ' '; ++psz )
- {
- if( *psz == ',')
- {
- ++i_records;
- *psz = ' ';
- }
- }
- 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;
- }
- 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 != ' '; 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 = ' ';
- return dest - dest_start;
- }