rtsp.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:55k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * rtsp.c: rtsp VoD server module
- *****************************************************************************
- * Copyright (C) 2003-2006 the VideoLAN team
- * $Id: 34ed0586d7e22ae2932f582068fa5cab75ca4482 $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Gildas Bazin <gbazin@videolan.org>
- *
- * 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
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_input.h>
- #include <vlc_sout.h>
- #include <vlc_block.h>
- #include "vlc_httpd.h"
- #include "vlc_vod.h"
- #include "vlc_url.h"
- #include <vlc_network.h>
- #include <vlc_charset.h>
- #include <vlc_strings.h>
- #include <errno.h>
- #ifndef WIN32
- # include <locale.h>
- #endif
- #ifdef HAVE_XLOCALE_H
- # include <xlocale.h>
- #endif
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close( vlc_object_t * );
- #define HOST_TEXT N_( "RTSP host address" )
- #define HOST_LONGTEXT N_(
- "This defines the address, port and path the RTSP VOD server will listen "
- "on.nSyntax is address:port/path. The default is to listen on all "
- "interfaces (address 0.0.0.0), on port 554, with no path.nTo listen "
- "only on the local interface, use "localhost" as address." )
- #define THROTLE_TEXT N_( "Maximum number of connections" )
- #define THROTLE_LONGTEXT N_( "This limits the maximum number of clients "
- "that can connect to the RTSP VOD. 0 means no limit." )
- #define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
- #define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP "
- "session string" )
- #define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add "
- "to the RTSP session ID string. Setting it to a negative number removes "
- "the timeout option entirely. This is needed by some IPTV STBs (such as "
- "those made by HansunTech) which get confused by it. The default is 5." )
- vlc_module_begin ()
- set_shortname( N_("RTSP VoD" ) )
- set_description( N_("RTSP VoD server") )
- set_category( CAT_SOUT )
- set_subcategory( SUBCAT_SOUT_VOD )
- set_capability( "vod server", 1 )
- set_callbacks( Open, Close )
- add_shortcut( "rtsp" )
- add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, true )
- add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT,
- RAWMUX_TEXT, true )
- add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT,
- THROTLE_LONGTEXT, true )
- add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT,
- SESSION_TIMEOUT_LONGTEXT, true )
- vlc_module_end ()
- /*****************************************************************************
- * Exported prototypes
- *****************************************************************************/
- typedef struct media_es_t media_es_t;
- typedef struct
- {
- media_es_t *p_media_es;
- char *psz_ip;
- int i_port;
- } rtsp_client_es_t;
- typedef struct
- {
- char *psz_session;
- int64_t i_last; /* for timeout */
- bool b_playing; /* is it in "play" state */
- bool b_paused; /* is it in "pause" state */
- int i_es;
- rtsp_client_es_t **es;
- } rtsp_client_t;
- struct media_es_t
- {
- /* VoD server */
- vod_t *p_vod;
- /* RTSP server */
- httpd_url_t *p_rtsp_url;
- vod_media_t *p_media;
- es_format_t fmt;
- int i_port;
- uint8_t i_payload_type;
- char *psz_rtpmap;
- char *psz_fmtp;
- };
- struct vod_media_t
- {
- int id;
- /* VoD server */
- vod_t *p_vod;
- /* RTSP server */
- httpd_url_t *p_rtsp_url;
- char *psz_rtsp_control_v4;
- char *psz_rtsp_control_v6;
- char *psz_rtsp_path;
- int i_port;
- int i_port_audio;
- int i_port_video;
- int i_ttl;
- int i_payload_type;
- int64_t i_sdp_id;
- int i_sdp_version;
- bool b_multicast;
- vlc_mutex_t lock;
- /* ES list */
- int i_es;
- media_es_t **es;
- char *psz_mux;
- bool b_raw;
- /* RTSP client */
- int i_rtsp;
- rtsp_client_t **rtsp;
- /* Infos */
- char *psz_session_name;
- char *psz_session_description;
- char *psz_session_url;
- char *psz_session_email;
- mtime_t i_length;
- };
- struct vod_sys_t
- {
- /* RTSP server */
- httpd_host_t *p_rtsp_host;
- char *psz_path;
- int i_port;
- int i_throttle_users;
- int i_connections;
- char *psz_raw_mux;
- int i_session_timeout;
- /* List of media */
- vlc_mutex_t lock_media;
- int i_media_id;
- int i_media;
- vod_media_t **media;
- /* */
- block_fifo_t *p_fifo_cmd;
- };
- /* rtsp delayed command (to avoid deadlock between vlm/httpd) */
- typedef enum
- {
- RTSP_CMD_TYPE_NONE, /* Exit requested */
- RTSP_CMD_TYPE_PLAY,
- RTSP_CMD_TYPE_PAUSE,
- RTSP_CMD_TYPE_STOP,
- RTSP_CMD_TYPE_SEEK,
- RTSP_CMD_TYPE_REWIND,
- RTSP_CMD_TYPE_FORWARD,
- RTSP_CMD_TYPE_ADD,
- RTSP_CMD_TYPE_DEL,
- } rtsp_cmd_type_t;
- /* */
- typedef struct
- {
- int i_type;
- int i_media_id;
- vod_media_t *p_media;
- char *psz_session;
- char *psz_arg;
- double f_arg;
- } rtsp_cmd_t;
- static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
- static void MediaDel( vod_t *, vod_media_t * );
- static void MediaAskDel ( vod_t *, vod_media_t * );
- static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
- static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
- static void* CommandThread( vlc_object_t *p_this );
- static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
- double f_arg, const char *psz_arg );
- static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
- static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
- static void RtspClientDel( vod_media_t *, rtsp_client_t * );
- static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
- httpd_message_t *, const httpd_message_t * );
- static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
- httpd_message_t *, const httpd_message_t * );
- static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
- static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
- {
- static const char hex[16] = "0123456789abcdef";
- int i;
- for( i = 0; i < i_data; i++ )
- {
- s[2*i+0] = hex[(p_data[i]>>4)&0xf];
- s[2*i+1] = hex[(p_data[i] )&0xf];
- }
- s[2*i_data] = ' ';
- }
- /*****************************************************************************
- * Open: Starts the RTSP server module
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- vod_t *p_vod = (vod_t *)p_this;
- vod_sys_t *p_sys = NULL;
- char *psz_url = NULL;
- vlc_url_t url;
- psz_url = config_GetPsz( p_vod, "rtsp-host" );
- vlc_UrlParse( &url, psz_url, 0 );
- free( psz_url );
- if( url.i_port <= 0 ) url.i_port = 554;
- p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
- if( !p_sys ) goto error;
- p_sys->p_rtsp_host = 0;
- p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
- p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
- msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
- p_sys->i_connections = 0;
- p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
- p_sys->p_rtsp_host =
- httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
- if( !p_sys->p_rtsp_host )
- {
- msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
- url.psz_host, url.i_port );
- goto error;
- }
- p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
- p_sys->i_port = url.i_port;
- vlc_UrlClean( &url );
- vlc_mutex_init( &p_sys->lock_media );
- TAB_INIT( p_sys->i_media, p_sys->media );
- p_sys->i_media_id = 0;
- p_vod->pf_media_new = MediaNew;
- p_vod->pf_media_del = MediaAskDel;
- p_vod->pf_media_add_es = MediaAddES;
- p_vod->pf_media_del_es = MediaDelES;
- p_sys->p_fifo_cmd = block_FifoNew();
- if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
- VLC_THREAD_PRIORITY_LOW ) )
- {
- msg_Err( p_vod, "cannot spawn rtsp vod thread" );
- block_FifoRelease( p_sys->p_fifo_cmd );
- free( p_sys->psz_path );
- goto error;
- }
- return VLC_SUCCESS;
- error:
- if( p_sys )
- {
- if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
- free( p_sys->psz_raw_mux );
- free( p_sys );
- }
- vlc_UrlClean( &url );
- return VLC_EGENERIC;
- }
- /*****************************************************************************
- * Close:
- *****************************************************************************/
- static void Close( vlc_object_t * p_this )
- {
- vod_t *p_vod = (vod_t *)p_this;
- vod_sys_t *p_sys = p_vod->p_sys;
- block_t *p_block_cmd;
- rtsp_cmd_t cmd;
- /* Stop command thread */
- vlc_object_kill( p_vod );
- CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
- vlc_thread_join( p_vod );
- while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
- {
- p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
- memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
- block_Release( p_block_cmd );
- if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
- MediaDel(p_vod, cmd.p_media);
- free( cmd.psz_session );
- free( cmd.psz_arg );
- }
- block_FifoRelease( p_sys->p_fifo_cmd );
- httpd_HostDelete( p_sys->p_rtsp_host );
- var_Destroy( p_this, "rtsp-session-timeout" );
- var_Destroy( p_this, "rtsp-throttle-users" );
- var_Destroy( p_this, "rtsp-raw-mux" );
- /* Check VLM is not buggy */
- if( p_sys->i_media > 0 )
- msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
- TAB_CLEAN( p_sys->i_media, p_sys->media );
- vlc_mutex_destroy( &p_sys->lock_media );
- free( p_sys->psz_path );
- free( p_sys->psz_raw_mux );
- free( p_sys );
- }
- /*****************************************************************************
- * Media handling
- *****************************************************************************/
- static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
- input_item_t *p_item )
- {
- int i;
- vod_sys_t *p_sys = p_vod->p_sys;
- vod_media_t *p_media = calloc( 1, sizeof(vod_media_t) );
- if( !p_media )
- return NULL;
- p_media->id = p_sys->i_media_id++;
- TAB_INIT( p_media->i_es, p_media->es );
- p_media->psz_mux = NULL;
- TAB_INIT( p_media->i_rtsp, p_media->rtsp );
- p_media->b_raw = false;
- if( asprintf( &p_media->psz_rtsp_path, "%s%s",
- p_sys->psz_path, psz_name ) <0 )
- return NULL;
- p_media->p_rtsp_url =
- httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
- NULL, NULL );
- if( !p_media->p_rtsp_url )
- {
- msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
- free( p_media->psz_rtsp_path );
- free( p_media );
- return NULL;
- }
- msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
- if( asprintf( &p_media->psz_rtsp_control_v4,
- "a=control:rtsp://%%s:%d%s/trackID=%%drn",
- p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
- {
- httpd_UrlDelete( p_media->p_rtsp_url );
- free( p_media->psz_rtsp_path );
- free( p_media );
- return NULL;
- }
- if( asprintf( &p_media->psz_rtsp_control_v6,
- "a=control:rtsp://[%%s]:%d%s/trackID=%%drn",
- p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
- {
- httpd_UrlDelete( p_media->p_rtsp_url );
- free( p_media->psz_rtsp_path );
- free( p_media );
- return NULL;
- }
- httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
- RtspCallback, (void*)p_media );
- httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
- RtspCallback, (void*)p_media );
- httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
- RtspCallback, (void*)p_media );
- httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
- RtspCallback, (void*)p_media );
- httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
- RtspCallback, (void*)p_media );
- httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
- RtspCallback, (void*)p_media );
- p_media->p_vod = p_vod;
- vlc_mutex_init( &p_media->lock );
- p_media->psz_session_name = strdup("");
- p_media->psz_session_description = strdup("");
- p_media->psz_session_url = strdup("");
- p_media->psz_session_email = strdup("");
- p_media->i_port_audio = 1234;
- p_media->i_port_video = 1236;
- p_media->i_port = 1238;
- p_media->i_payload_type = 96;
- p_media->i_sdp_id = mdate();
- p_media->i_sdp_version = 1;
- p_media->i_length = input_item_GetDuration( p_item );
- vlc_mutex_lock( &p_item->lock );
- msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
- for( i = 0; i < p_item->i_es; i++ )
- {
- MediaAddES( p_vod, p_media, p_item->es[i] );
- }
- vlc_mutex_unlock( &p_item->lock );
- CommandPush( p_vod, RTSP_CMD_TYPE_ADD, p_media, NULL, 0.0, NULL );
- return p_media;
- }
- static void MediaAskDel ( vod_t *p_vod, vod_media_t *p_media )
- {
- CommandPush( p_vod, RTSP_CMD_TYPE_DEL, p_media, NULL, 0.0, NULL );
- }
- static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
- {
- vod_sys_t *p_sys = p_vod->p_sys;
- msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
- vlc_mutex_lock( &p_sys->lock_media );
- TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
- vlc_mutex_unlock( &p_sys->lock_media );
- httpd_UrlDelete( p_media->p_rtsp_url );
- while( p_media->i_rtsp > 0 )
- RtspClientDel( p_media, p_media->rtsp[0] );
- TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
- free( p_media->psz_rtsp_path );
- free( p_media->psz_rtsp_control_v6 );
- free( p_media->psz_rtsp_control_v4 );
- while( p_media->i_es )
- MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
- TAB_CLEAN( p_media->i_es, p_media->es );
- vlc_mutex_destroy( &p_media->lock );
- free( p_media->psz_session_name );
- free( p_media->psz_session_description );
- free( p_media->psz_session_url );
- free( p_media->psz_session_email );
- free( p_media->psz_mux );
- free( p_media );
- }
- static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
- {
- char *psz_urlc;
- media_es_t *p_es = calloc( 1, sizeof(media_es_t) );
- if( !p_es )
- return VLC_ENOMEM;
- free( p_media->psz_mux );
- p_media->psz_mux = NULL;
- /* TODO: update SDP, etc... */
- if( asprintf( &psz_urlc, "%s/trackID=%d",
- p_media->psz_rtsp_path, p_media->i_es ) < 0 )
- {
- free( p_es );
- return VLC_ENOMEM;
- }
- msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
- switch( p_fmt->i_codec )
- {
- case VLC_FOURCC( 's', '1', '6', 'b' ):
- if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
- {
- p_es->i_payload_type = 11;
- }
- else if( p_fmt->audio.i_channels == 2 &&
- p_fmt->audio.i_rate == 44100 )
- {
- p_es->i_payload_type = 10;
- }
- else
- {
- p_es->i_payload_type = p_media->i_payload_type++;
- }
- if( asprintf( &p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
- p_fmt->audio.i_channels ) == -1 )
- p_es->psz_rtpmap = NULL;
- break;
- case VLC_FOURCC( 'u', '8', ' ', ' ' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- if( asprintf( &p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
- p_fmt->audio.i_channels ) == -1 )
- p_es->psz_rtpmap = NULL;
- break;
- case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
- case VLC_FOURCC( 'm', 'p', '3', ' ' ):
- p_es->i_payload_type = 14;
- p_es->psz_rtpmap = strdup( "MPA/90000" );
- break;
- case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
- p_es->i_payload_type = 32;
- p_es->psz_rtpmap = strdup( "MPV/90000" );
- break;
- case VLC_FOURCC( 'a', '5', '2', ' ' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- if( asprintf( &p_es->psz_rtpmap, "ac3/%d", p_fmt->audio.i_rate ) == -1 )
- p_es->psz_rtpmap = NULL;
- break;
- case VLC_FOURCC( 'H', '2', '6', '3' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- p_es->psz_rtpmap = strdup( "H263-1998/90000" );
- break;
- case VLC_FOURCC( 'h', '2', '6', '4' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- p_es->psz_rtpmap = strdup( "H264/90000" );
- p_es->psz_fmtp = NULL;
- /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
- if( p_fmt->i_extra > 0 )
- {
- uint8_t *p_buffer = p_fmt->p_extra;
- int i_buffer = p_fmt->i_extra;
- char *p_64_sps = NULL;
- char *p_64_pps = NULL;
- char hexa[6+1];
- while( i_buffer > 4 &&
- p_buffer[0] == 0 && p_buffer[1] == 0 &&
- p_buffer[2] == 0 && p_buffer[3] == 1 )
- {
- const int i_nal_type = p_buffer[4]&0x1f;
- int i_offset;
- int i_size = 0;
- i_size = i_buffer;
- for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
- {
- if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
- {
- /* we found another startcode */
- i_size = i_offset;
- break;
- }
- }
- if( i_nal_type == 7 )
- {
- free( p_64_sps );
- p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
- sprintf_hexa( hexa, &p_buffer[5], 3 );
- }
- else if( i_nal_type == 8 )
- {
- free( p_64_pps );
- p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
- }
- i_buffer -= i_size;
- p_buffer += i_size;
- }
- /* */
- if( p_64_sps && p_64_pps )
- {
- if( asprintf( &p_es->psz_fmtp,
- "packetization-mode=1;profile-level-id=%s;"
- "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
- p_64_pps ) < 0 )
- {
- free( p_64_sps );
- free( p_64_pps );
- free( psz_urlc );
- free( p_es );
- return VLC_ENOMEM;
- }
- }
- free( p_64_sps );
- free( p_64_pps );
- }
- if( !p_es->psz_fmtp )
- p_es->psz_fmtp = strdup( "packetization-mode=1" );
- break;
- case VLC_FOURCC( 'm', 'p', '4', 'v' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
- if( p_fmt->i_extra > 0 )
- {
- char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
- sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
- if( asprintf( &p_es->psz_fmtp,
- "profile-level-id=3; config=%s;", p_hexa ) == -1 )
- p_es->psz_fmtp = NULL;
- free( p_hexa );
- }
- break;
- case VLC_FOURCC( 'm', 'p', '4', 'a' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- if( asprintf( &p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate ) == -1 )
- p_es->psz_rtpmap = NULL;
- if( p_fmt->i_extra > 0 )
- {
- char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
- sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
- if( asprintf( &p_es->psz_fmtp,
- "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
- "config=%s; SizeLength=13;IndexLength=3; "
- "IndexDeltaLength=3; Profile=1;", p_hexa ) == -1 )
- p_es->psz_fmtp = NULL;
- free( p_hexa );
- }
- break;
- case VLC_FOURCC( 'm', 'p', '2', 't' ):
- p_media->psz_mux = strdup("ts");
- p_es->i_payload_type = 33;
- p_es->psz_rtpmap = strdup( "MP2T/90000" );
- break;
- case VLC_FOURCC( 'm', 'p', '2', 'p' ):
- p_media->psz_mux = strdup("ps");
- p_es->i_payload_type = p_media->i_payload_type++;
- p_es->psz_rtpmap = strdup( "MP2P/90000" );
- break;
- case VLC_FOURCC( 's', 'a', 'm', 'r' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
- "AMR/8000/2" : "AMR/8000" );
- p_es->psz_fmtp = strdup( "octet-align=1" );
- break;
- case VLC_FOURCC( 's', 'a', 'w', 'b' ):
- p_es->i_payload_type = p_media->i_payload_type++;
- p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
- "AMR-WB/16000/2" : "AMR-WB/16000" );
- p_es->psz_fmtp = strdup( "octet-align=1" );
- break;
- default:
- msg_Err( p_vod, "cannot add this stream (unsupported "
- "codec: %4.4s)", (char*)&p_fmt->i_codec );
- free( psz_urlc );
- free( p_es );
- return VLC_EGENERIC;
- }
- p_es->p_rtsp_url =
- httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
- NULL );
- if( !p_es->p_rtsp_url )
- {
- msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
- free( psz_urlc );
- free( p_es );
- return VLC_EGENERIC;
- }
- free( psz_urlc );
- httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
- RtspCallbackES, (void*)p_es );
- httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
- RtspCallbackES, (void*)p_es );
- httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
- RtspCallbackES, (void*)p_es );
- httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
- RtspCallbackES, (void*)p_es );
- es_format_Copy( &p_es->fmt, p_fmt );
- p_es->p_vod = p_vod;
- p_es->p_media = p_media;
- #if 0
- /* Choose the port */
- if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
- {
- p_es->i_port = p_media->i_port_audio;
- p_media->i_port_audio = 0;
- }
- else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
- {
- p_es->i_port = p_media->i_port_video;
- p_media->i_port_video = 0;
- }
- while( !p_es->i_port )
- {
- if( p_media->i_port != p_media->i_port_audio &&
- p_media->i_port != p_media->i_port_video )
- {
- p_es->i_port = p_media->i_port;
- p_media->i_port += 2;
- break;
- }
- p_media->i_port += 2;
- }
- #else
- p_es->i_port = 0;
- #endif
- vlc_mutex_lock( &p_media->lock );
- TAB_APPEND( p_media->i_es, p_media->es, p_es );
- vlc_mutex_unlock( &p_media->lock );
- p_media->i_sdp_version++;
- return VLC_SUCCESS;
- }
- static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
- {
- media_es_t *p_es = NULL;
- int i;
- /* Find the ES */
- for( i = 0; i < p_media->i_es; i++ )
- {
- if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
- p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
- p_media->es[i]->fmt.i_id == p_fmt->i_id )
- {
- p_es = p_media->es[i];
- }
- }
- if( !p_es ) return;
- msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
- vlc_mutex_lock( &p_media->lock );
- TAB_REMOVE( p_media->i_es, p_media->es, p_es );
- vlc_mutex_unlock( &p_media->lock );
- free( p_es->psz_rtpmap );
- free( p_es->psz_fmtp );
- p_media->i_sdp_version++;
- if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
- es_format_Clean( &p_es->fmt );
- free( p_es );
- }
- static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
- double f_arg, const char *psz_arg )
- {
- rtsp_cmd_t cmd;
- block_t *p_cmd;
- memset( &cmd, 0, sizeof(cmd) );
- cmd.i_type = i_type;
- cmd.p_media = p_media;
- if( p_media )
- cmd.i_media_id = p_media->id;
- if( psz_session )
- cmd.psz_session = strdup(psz_session);
- cmd.f_arg = f_arg;
- if( psz_arg )
- cmd.psz_arg = strdup(psz_arg);
- p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
- memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
- block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
- }
- static void* CommandThread( vlc_object_t *p_this )
- {
- vod_t *p_vod = (vod_t*)p_this;
- vod_sys_t *p_sys = p_vod->p_sys;
- int canc = vlc_savecancel ();
- while( vlc_object_alive (p_vod) )
- {
- block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
- rtsp_cmd_t cmd;
- vod_media_t *p_media = NULL;
- int i;
- if( !p_block_cmd )
- break;
- memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
- block_Release( p_block_cmd );
- if( cmd.i_type == RTSP_CMD_TYPE_NONE )
- break;
- if ( cmd.i_type == RTSP_CMD_TYPE_ADD )
- {
- vlc_mutex_lock( &p_sys->lock_media );
- TAB_APPEND( p_sys->i_media, p_sys->media, cmd.p_media );
- vlc_mutex_unlock( &p_sys->lock_media );
- goto next;
- }
- if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
- {
- MediaDel(p_vod, cmd.p_media);
- goto next;
- }
- /* */
- vlc_mutex_lock( &p_sys->lock_media );
- for( i = 0; i < p_sys->i_media; i++ )
- {
- if( p_sys->media[i]->id == cmd.i_media_id )
- break;
- }
- if( i >= p_sys->i_media )
- {
- vlc_mutex_unlock( &p_sys->lock_media );
- goto next;
- }
- p_media = p_sys->media[i];
- switch( cmd.i_type )
- {
- case RTSP_CMD_TYPE_PLAY:
- vod_MediaControl( p_vod, p_media, cmd.psz_session,
- VOD_MEDIA_PLAY, cmd.psz_arg );
- break;
- case RTSP_CMD_TYPE_PAUSE:
- vod_MediaControl( p_vod, p_media, cmd.psz_session,
- VOD_MEDIA_PAUSE );
- break;
- case RTSP_CMD_TYPE_STOP:
- vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
- break;
- case RTSP_CMD_TYPE_SEEK:
- vod_MediaControl( p_vod, p_media, cmd.psz_session,
- VOD_MEDIA_SEEK, cmd.f_arg );
- break;
- case RTSP_CMD_TYPE_REWIND:
- vod_MediaControl( p_vod, p_media, cmd.psz_session,
- VOD_MEDIA_REWIND, cmd.f_arg );
- break;
- case RTSP_CMD_TYPE_FORWARD:
- vod_MediaControl( p_vod, p_media, cmd.psz_session,
- VOD_MEDIA_FORWARD, cmd.f_arg );
- break;
- default:
- break;
- }
- vlc_mutex_unlock( &p_sys->lock_media );
- next:
- free( cmd.psz_session );
- free( cmd.psz_arg );
- }
- vlc_restorecancel (canc);
- return NULL;
- }
- /****************************************************************************
- * RTSP server implementation
- ****************************************************************************/
- static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
- {
- rtsp_client_t *p_rtsp = calloc( 1, sizeof(rtsp_client_t) );
- if( !p_rtsp )
- return NULL;
- p_rtsp->es = 0;
- p_rtsp->psz_session = psz_session;
- TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
- p_media->p_vod->p_sys->i_connections++;
- msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
- psz_session, p_media->p_vod->p_sys->i_throttle_users );
- return p_rtsp;
- }
- static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
- {
- int i;
- for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
- {
- if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
- return p_media->rtsp[i];
- }
- return NULL;
- }
- static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
- {
- p_media->p_vod->p_sys->i_connections--;
- msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
- p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
- while( p_rtsp->i_es )
- {
- p_rtsp->i_es--;
- free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
- free( p_rtsp->es[p_rtsp->i_es] );
- }
- free( p_rtsp->es );
- TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
- free( p_rtsp->psz_session );
- free( p_rtsp );
- }
- static float ParseNPT (const char *str)
- {
- locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
- locale_t oldloc = uselocale (loc);
- unsigned hour, min;
- float sec;
- if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
- sec += ((hour * 60) + min) * 60;
- else
- if (sscanf (str, "%f", &sec) != 1)
- sec = 0.;
- if (loc != (locale_t)0)
- {
- uselocale (oldloc);
- freelocale (loc);
- }
- return sec;
- }
- static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
- httpd_message_t *answer, const httpd_message_t *query )
- {
- vod_media_t *p_media = (vod_media_t*)p_args;
- vod_t *p_vod = p_media->p_vod;
- const char *psz_transport = NULL;
- const char *psz_playnow = NULL; /* support option: x-playNow */
- const char *psz_session = NULL;
- const char *psz_cseq = NULL;
- rtsp_client_t *p_rtsp;
- int i_port = 0;
- int i_cseq = 0;
- if( answer == NULL || query == NULL ) return VLC_SUCCESS;
- msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
- answer->i_proto = HTTPD_PROTO_RTSP;
- answer->i_version = query->i_version;
- answer->i_type = HTTPD_MSG_ANSWER;
- answer->i_body = 0;
- answer->p_body = NULL;
- switch( query->i_type )
- {
- case HTTPD_MSG_SETUP:
- {
- psz_playnow = httpd_MsgGet( query, "x-playNow" );
- psz_transport = httpd_MsgGet( query, "Transport" );
- if( psz_transport == NULL )
- {
- answer->i_status = 400;
- break;
- }
- msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
- if( strstr( psz_transport, "unicast" ) &&
- strstr( psz_transport, "client_port=" ) )
- {
- rtsp_client_t *p_rtsp = NULL;
- char ip[NI_MAXNUMERICHOST];
- i_port = atoi( strstr( psz_transport, "client_port=" ) +
- strlen("client_port=") );
- if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
- strstr( psz_transport, "RAW/RAW/UDP" ) )
- {
- free( p_media->psz_mux );
- p_media->psz_mux = NULL;
- p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
- p_media->b_raw = true;
- }
- if( httpd_ClientIP( cl, ip ) == NULL )
- {
- answer->i_status = 500;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
- ip, i_port );
- psz_session = httpd_MsgGet( query, "Session" );
- if( !psz_session || !*psz_session )
- {
- char *psz_new;
- if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
- ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
- {
- answer->i_status = 503;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- if( asprintf( &psz_new, "%d", rand() ) < 0 )
- return VLC_ENOMEM;
- psz_session = psz_new;
- p_rtsp = RtspClientNew( p_media, psz_new );
- if( !p_rtsp )
- {
- answer->i_status = 454;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- }
- else
- {
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp )
- {
- answer->i_status = 454;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- }
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- if( p_media->b_raw )
- {
- if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
- {
- httpd_MsgAdd( answer, "Transport",
- "MP2T/H2221/UDP;unicast;client_port=%d-%d",
- i_port, i_port + 1 );
- }
- else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
- {
- httpd_MsgAdd( answer, "Transport",
- "RAW/RAW/UDP;unicast;client_port=%d-%d",
- i_port, i_port + 1 );
- }
- }
- else
- httpd_MsgAdd( answer, "Transport",
- "RTP/AVP/UDP;unicast;client_port=%d-%d",
- i_port, i_port + 1 );
- }
- else /* TODO strstr( psz_transport, "interleaved" ) ) */
- {
- answer->i_status = 461;
- answer->i_body = 0;
- answer->p_body = NULL;
- }
- /* Intentional fall-through on x-playNow option in RTSP request */
- if( !psz_playnow )
- break;
- }
- case HTTPD_MSG_PLAY:
- {
- char *psz_output, ip[NI_MAXNUMERICHOST];
- int i, i_port_audio = 0, i_port_video = 0;
- /* for now only multicast so easy */
- if( !psz_playnow )
- {
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- }
- if( !psz_session )
- psz_session = httpd_MsgGet( query, "Session" );
- msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp )
- {
- answer->i_status = 500;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- if( p_rtsp->b_playing )
- {
- const char *psz_position = httpd_MsgGet( query, "Range" );
- const char *psz_scale = httpd_MsgGet( query, "Scale" );
- if( psz_position )
- psz_position = strstr( psz_position, "npt=" );
- if( psz_position && !psz_scale )
- {
- double f_pos = ParseNPT (psz_position + 4);
- msg_Dbg( p_vod, "seeking request: %s", psz_position );
- f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
- CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
- psz_session, f_pos, NULL );
- break;
- }
- if( psz_scale )
- {
- double f_scale = 0.0;
- char *end;
- f_scale = us_strtod( psz_scale, &end );
- if( end > psz_scale )
- {
- f_scale = (f_scale * 30.0);
- if( psz_scale[0] == '-' ) /* rewind */
- {
- msg_Dbg( p_vod, "rewind request: %s", psz_scale );
- CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
- psz_session, f_scale, NULL );
- }
- else if(psz_scale[0] != '1' ) /* fast-forward */
- {
- msg_Dbg( p_vod, "fastforward request: %s",
- psz_scale );
- CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
- psz_session, f_scale, NULL );
- }
- if( p_rtsp->b_paused == true )
- {
- p_rtsp->b_paused = false;
- CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
- psz_session, 0, NULL );
- }
- }
- break;
- }
- }
- if( p_rtsp->b_playing && p_rtsp->b_paused )
- {
- CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
- psz_session, 0, NULL );
- p_rtsp->b_paused = false;
- break;
- }
- else if( p_rtsp->b_playing ) break;
- if( httpd_ClientIP( cl, ip ) == NULL ) break;
- p_rtsp->b_playing = true;
- /* FIXME for != 1 video and 1 audio */
- for( i = 0; i < p_rtsp->i_es; i++ )
- {
- if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
- i_port_audio = p_rtsp->es[i]->i_port;
- if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
- i_port_video = p_rtsp->es[i]->i_port;
- }
- if( p_media->psz_mux )
- {
- if( p_media->b_raw )
- {
- if( asprintf( &psz_output,
- "std{access=udp,dst=%s:%i,mux=%s}",
- ip, i_port, p_media->psz_mux ) < 0 )
- return VLC_ENOMEM;
- }
- else
- {
- if( asprintf( &psz_output,
- "rtp{dst=%s,port=%i,mux=%s}",
- ip, i_port_video, p_media->psz_mux ) < 0 )
- return VLC_ENOMEM;
- }
- }
- else
- {
- if( asprintf( &psz_output,
- "rtp{dst=%s,port-video=%i,port-audio=%i}",
- ip, i_port_video, i_port_audio ) < 0 )
- return VLC_ENOMEM;
- }
- CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
- 0, psz_output );
- free( psz_output );
- break;
- }
- case HTTPD_MSG_DESCRIBE:
- {
- char *psz_sdp =
- SDPGenerate( p_media, cl );
- if( psz_sdp != NULL )
- {
- answer->i_status = 200;
- httpd_MsgAdd( answer, "Content-type", "%s",
- "application/sdp" );
- answer->p_body = (uint8_t *)psz_sdp;
- answer->i_body = strlen( psz_sdp );
- }
- else
- {
- answer->i_status = 500;
- answer->p_body = NULL;
- answer->i_body = 0;
- }
- break;
- }
- case HTTPD_MSG_PAUSE:
- psz_session = httpd_MsgGet( query, "Session" );
- msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp ) break;
- CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
- 0, NULL );
- p_rtsp->b_paused = true;
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- case HTTPD_MSG_TEARDOWN:
- /* for now only multicast so easy again */
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- psz_session = httpd_MsgGet( query, "Session" );
- msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp ) break;
- CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
- 0, NULL );
- RtspClientDel( p_media, p_rtsp );
- break;
- case HTTPD_MSG_GETPARAMETER:
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- default:
- return VLC_EGENERIC;
- }
- httpd_MsgAdd( answer, "Server", "VLC Server" );
- httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
- psz_cseq = httpd_MsgGet( query, "Cseq" );
- psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
- httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
- httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
- if( psz_session )
- {
- if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
- httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
- p_media->p_vod->p_sys->i_session_timeout );
- else
- httpd_MsgAdd( answer, "Session", "%s", psz_session );
- }
- return VLC_SUCCESS;
- }
- static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
- httpd_message_t *answer,
- const httpd_message_t *query )
- {
- media_es_t *p_es = (media_es_t*)p_args;
- vod_media_t *p_media = p_es->p_media;
- vod_t *p_vod = p_media->p_vod;
- rtsp_client_t *p_rtsp = NULL;
- const char *psz_transport = NULL;
- const char *psz_playnow = NULL; /* support option: x-playNow */
- const char *psz_session = NULL;
- const char *psz_position = NULL;
- const char *psz_cseq = NULL;
- int i_cseq = 0;
- int i;
- if( answer == NULL || query == NULL ) return VLC_SUCCESS;
- msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
- answer->i_proto = HTTPD_PROTO_RTSP;
- answer->i_version = query->i_version;
- answer->i_type = HTTPD_MSG_ANSWER;
- answer->i_body = 0;
- answer->p_body = NULL;
- switch( query->i_type )
- {
- case HTTPD_MSG_SETUP:
- psz_playnow = httpd_MsgGet( query, "x-playNow" );
- psz_transport = httpd_MsgGet( query, "Transport" );
- msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
- if( strstr( psz_transport, "unicast" ) &&
- strstr( psz_transport, "client_port=" ) )
- {
- rtsp_client_t *p_rtsp = NULL;
- rtsp_client_es_t *p_rtsp_es = NULL;
- char ip[NI_MAXNUMERICHOST];
- int i_port = atoi( strstr( psz_transport, "client_port=" ) +
- strlen("client_port=") );
- if( httpd_ClientIP( cl, ip ) == NULL )
- {
- answer->i_status = 500;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
- ip, i_port );
- psz_session = httpd_MsgGet( query, "Session" );
- if( !psz_session || !*psz_session )
- {
- char *psz_new;
- if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
- ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
- {
- answer->i_status = 503;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- if( asprintf( &psz_new, "%d", rand() ) < 0 )
- return VLC_ENOMEM;
- psz_session = psz_new;
- p_rtsp = RtspClientNew( p_media, psz_new );
- if( !p_rtsp )
- {
- answer->i_status = 454;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- }
- else
- {
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp )
- {
- answer->i_status = 454;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- }
- p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
- if( !p_rtsp_es )
- {
- answer->i_status = 500;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- }
- p_rtsp_es->i_port = i_port;
- p_rtsp_es->psz_ip = strdup( ip );
- p_rtsp_es->p_media_es = p_es;
- TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- if( p_media->b_raw )
- {
- if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
- {
- httpd_MsgAdd( answer, "Transport",
- "MP2T/H2221/UDP;client_port=%d-%d",
- p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
- }
- else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
- {
- httpd_MsgAdd( answer, "Transport",
- "RAW/RAW/UDP;client_port=%d-%d",
- p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
- }
- }
- else
- {
- httpd_MsgAdd( answer, "Transport",
- "RTP/AVP/UDP;client_port=%d-%d",
- p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
- }
- }
- else /* TODO strstr( psz_transport, "interleaved" ) ) */
- {
- answer->i_status = 461;
- answer->i_body = 0;
- answer->p_body = NULL;
- }
- /* Intentional fall-through on x-playNow option in RTSP request */
- if( !psz_playnow )
- break;
- case HTTPD_MSG_PLAY:
- /* This is kind of a kludge. Should we only support Aggregate
- * Operations ? */
- psz_session = httpd_MsgGet( query, "Session" );
- msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
- p_rtsp = RtspClientGet( p_media, psz_session );
- psz_position = httpd_MsgGet( query, "Range" );
- if( psz_position ) psz_position = strstr( psz_position, "npt=" );
- if( psz_position )
- {
- double f_pos = ParseNPT (psz_position + 4);
- msg_Dbg( p_vod, "seeking request: %s", psz_position );
- f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
- CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
- psz_session, f_pos, NULL );
- }
- if( !psz_playnow )
- {
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- }
- break;
- case HTTPD_MSG_TEARDOWN:
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- psz_session = httpd_MsgGet( query, "Session" );
- msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp ) break;
- for( i = 0; i < p_rtsp->i_es; i++ )
- {
- if( p_rtsp->es[i]->p_media_es == p_es )
- {
- free( p_rtsp->es[i]->psz_ip );
- TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
- break;
- }
- }
- if( !p_rtsp->i_es )
- {
- CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
- 0, NULL );
- RtspClientDel( p_media, p_rtsp );
- }
- break;
- case HTTPD_MSG_PAUSE:
- /* This is kind of a kludge. Should we only support Aggregate
- * Operations ? */
- psz_session = httpd_MsgGet( query, "Session" );
- msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
- p_rtsp = RtspClientGet( p_media, psz_session );
- if( !p_rtsp ) break;
- CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
- 0, NULL );
- p_rtsp->b_paused = true;
- answer->i_status = 200;
- answer->i_body = 0;
- answer->p_body = NULL;
- break;
- default:
- return VLC_EGENERIC;
- break;
- }
- httpd_MsgAdd( answer, "Server", "VLC Server" );
- httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
- psz_cseq = httpd_MsgGet( query, "Cseq" );
- if (psz_cseq)
- i_cseq = atoi( psz_cseq );
- else
- i_cseq = 0;
- httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
- httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
- if( psz_session )
- httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * SDPGenerate: TODO
- * FIXME: need to be moved to a common place ?
- *****************************************************************************/
- static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
- {
- int i, i_size;
- char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
- const char *psz_control;
- if( httpd_ServerIP( cl, ip ) == NULL )
- return NULL;
- p = strchr( ip, '%' );
- if( p != NULL )
- *p = ' '; /* remove scope if present */
- ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
- /* Calculate size */
- i_size = sizeof( "v=0rn" ) +
- sizeof( "o=- * * IN IP4 rn" ) + 10 + NI_MAXNUMERICHOST +
- sizeof( "s=*rn" ) + strlen( p_media->psz_session_name ) +
- sizeof( "i=*rn" ) + strlen( p_media->psz_session_description ) +
- sizeof( "u=*rn" ) + strlen( p_media->psz_session_url ) +
- sizeof( "e=*rn" ) + strlen( p_media->psz_session_email ) +
- sizeof( "c=IN IP4 0.0.0.0rn" ) + 20 + 10 +
- sizeof( "t=0 0rn" ) + /* FIXME */
- sizeof( "a=tool:"PACKAGE_STRING"rn" ) +
- sizeof( "a=range:npt=0-1000000000.000rn" );
- psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
- : p_media->psz_rtsp_control_v4;
- for( i = 0; i < p_media->i_es; i++ )
- {
- media_es_t *p_es = p_media->es[i];
- i_size += sizeof( "m=**d*o * RTP/AVP *rn" ) + 19;
- if( p_es->psz_rtpmap )
- {
- i_size += sizeof( "a=rtpmap:* *rn" ) +
- strlen( p_es->psz_rtpmap ) + 9;
- }
- if( p_es->psz_fmtp )
- {
- i_size += sizeof( "a=fmtp:* *rn" ) +
- strlen( p_es->psz_fmtp ) + 9;
- }
- }
- i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
- p = psz_sdp = malloc( i_size );
- p += sprintf( p, "v=0rn" );
- p += sprintf( p, "o=- %"PRId64" %d IN IP%c %srn",
- p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
- if( *p_media->psz_session_name )
- p += sprintf( p, "s=%srn", p_media->psz_session_name );
- if( *p_media->psz_session_description )
- p += sprintf( p, "i=%srn", p_media->psz_session_description );
- if( *p_media->psz_session_url )
- p += sprintf( p, "u=%srn", p_media->psz_session_url );
- if( *p_media->psz_session_email )
- p += sprintf( p, "e=%srn", p_media->psz_session_email );
- p += sprintf( p, "c=IN IP%c %srn", ipv, ipv == '6' ? "::" : "0.0.0.0" );
- p += sprintf( p, "t=0 0rn" ); /* FIXME */
- p += sprintf( p, "a=tool:"PACKAGE_STRING"rn" );
- if( p_media->i_length > 0 )
- {
- lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
- p += sprintf( p, "a=range:npt=0-%lld.%03urn", d.quot,
- (unsigned)d.rem );
- }
- for( i = 0; i < p_media->i_es; i++ )
- {
- media_es_t *p_es = p_media->es[i];
- if( p_es->fmt.i_cat == AUDIO_ES )
- {
- p += sprintf( p, "m=audio %d RTP/AVP %drn",
- p_es->i_port, p_es->i_payload_type );
- }
- else if( p_es->fmt.i_cat == VIDEO_ES )
- {
- p += sprintf( p, "m=video %d RTP/AVP %drn",
- p_es->i_port, p_es->i_payload_type );
- }
- else
- {
- continue;
- }
- if( p_es->psz_rtpmap )
- {
- p += sprintf( p, "a=rtpmap:%d %srn", p_es->i_payload_type,
- p_es->psz_rtpmap );
- }
- if( p_es->psz_fmtp )
- {
- p += sprintf( p, "a=fmtp:%d %srn", p_es->i_payload_type,
- p_es->psz_fmtp );
- }
- p += sprintf( p, psz_control, ip, i );
- }
- return psz_sdp;
- }