mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
1552 lines
50 KiB
C
1552 lines
50 KiB
C
/*****************************************************************************
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* rtsp.c: rtsp VoD server module
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*****************************************************************************
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* Copyright (C) 2003-2006 the VideoLAN team
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* $Id$
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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* Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_input.h>
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#include <vlc_sout.h>
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#include <vlc_block.h>
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#include <vlc_httpd.h>
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#include <vlc_vod.h>
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#include <vlc_url.h>
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#include <vlc_network.h>
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#include <vlc_charset.h>
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#include <vlc_strings.h>
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#include <vlc_rand.h>
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#ifndef WIN32
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# include <locale.h>
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#endif
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#ifdef HAVE_XLOCALE_H
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# include <xlocale.h>
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#endif
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close( vlc_object_t * );
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#define THROTTLE_TEXT N_( "Maximum number of connections" )
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#define THROTTLE_LONGTEXT N_( "This limits the maximum number of clients " \
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"that can connect to the RTSP VOD. 0 means no limit." )
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#define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
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#define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP " \
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"session string" )
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#define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add " \
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"to the RTSP session ID string. Setting it to a negative number removes " \
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"the timeout option entirely. This is needed by some IPTV STBs (such as " \
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"those made by HansunTech) which get confused by it. The default is 5." )
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vlc_module_begin ()
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set_shortname( N_("RTSP VoD" ) )
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set_description( N_("RTSP VoD server") )
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set_category( CAT_SOUT )
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set_subcategory( SUBCAT_SOUT_VOD )
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set_capability( "vod server", 1 )
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set_callbacks( Open, Close )
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add_shortcut( "rtsp" )
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add_string( "rtsp-raw-mux", "ts", RAWMUX_TEXT,
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RAWMUX_TEXT, true )
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add_integer( "rtsp-throttle-users", 0, THROTTLE_TEXT,
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THROTTLE_LONGTEXT, true )
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add_integer( "rtsp-session-timeout", 5, SESSION_TIMEOUT_TEXT,
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SESSION_TIMEOUT_LONGTEXT, true )
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vlc_module_end ()
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/*****************************************************************************
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* Exported prototypes
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*****************************************************************************/
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typedef struct media_es_t media_es_t;
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typedef struct
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{
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media_es_t *p_media_es;
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int i_port;
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} rtsp_client_es_t;
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typedef struct
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{
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char *psz_session;
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bool b_playing; /* is it in "play" state */
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int i_port_raw;
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int i_es;
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rtsp_client_es_t **es;
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} rtsp_client_t;
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struct media_es_t
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{
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/* VoD server */
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vod_t *p_vod;
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/* RTSP server */
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httpd_url_t *p_rtsp_url;
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vod_media_t *p_media;
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es_format_t fmt;
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uint8_t i_payload_type;
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const char *psz_ptname;
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unsigned i_clock_rate;
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unsigned i_channels;
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char *psz_fmtp;
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};
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struct vod_media_t
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{
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int id;
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/* VoD server */
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vod_t *p_vod;
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/* RTSP server */
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httpd_url_t *p_rtsp_url;
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char *psz_rtsp_control_v4;
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char *psz_rtsp_control_v6;
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char *psz_rtsp_path;
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vlc_mutex_t lock;
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/* ES list */
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int i_es;
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media_es_t **es;
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const char *psz_mux;
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bool b_raw;
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/* RTSP client */
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int i_rtsp;
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rtsp_client_t **rtsp;
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/* Infos */
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mtime_t i_length;
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};
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struct vod_sys_t
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{
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/* RTSP server */
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httpd_host_t *p_rtsp_host;
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int i_throttle_users;
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int i_connections;
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char *psz_raw_mux;
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int i_session_timeout;
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/* List of media */
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int i_media_id;
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int i_media;
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vod_media_t **media;
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/* */
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vlc_thread_t thread;
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block_fifo_t *p_fifo_cmd;
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};
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/* rtsp delayed command (to avoid deadlock between vlm/httpd) */
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typedef enum
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{
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RTSP_CMD_TYPE_NONE, /* Exit requested */
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RTSP_CMD_TYPE_PLAY,
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RTSP_CMD_TYPE_PAUSE,
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RTSP_CMD_TYPE_STOP,
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RTSP_CMD_TYPE_SEEK,
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RTSP_CMD_TYPE_REWIND,
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RTSP_CMD_TYPE_FORWARD,
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RTSP_CMD_TYPE_ADD,
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RTSP_CMD_TYPE_DEL,
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} rtsp_cmd_type_t;
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/* */
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typedef struct
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{
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int i_type;
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int i_media_id;
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vod_media_t *p_media;
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char *psz_session;
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char *psz_arg;
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int64_t i_arg;
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double f_arg;
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} rtsp_cmd_t;
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static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
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static void MediaDel( vod_t *, vod_media_t * );
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static void MediaAskDel ( vod_t *, vod_media_t * );
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static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
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static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
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static void* CommandThread( void * );
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static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *,
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const char *psz_session, int64_t i_arg,
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double f_arg, const char *psz_arg );
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static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
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static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
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static void RtspClientDel( vod_media_t *, rtsp_client_t * );
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static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
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httpd_message_t *, const httpd_message_t * );
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static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
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httpd_message_t *, const httpd_message_t * );
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static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
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static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
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{
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static const char hex[16] = "0123456789abcdef";
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for( int i = 0; i < i_data; i++ )
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{
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s[2*i+0] = hex[(p_data[i]>>4)&0xf];
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s[2*i+1] = hex[(p_data[i] )&0xf];
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}
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s[2*i_data] = '\0';
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}
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/*****************************************************************************
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* Open: Starts the RTSP server module
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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vod_t *p_vod = (vod_t *)p_this;
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vod_sys_t *p_sys = NULL;
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p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
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if( !p_sys ) goto error;
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p_sys->p_rtsp_host = 0;
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p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
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p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
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msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
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p_sys->i_connections = 0;
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p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
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p_sys->p_rtsp_host = vlc_rtsp_HostNew( VLC_OBJECT(p_vod) );
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if( !p_sys->p_rtsp_host )
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{
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msg_Err( p_vod, "cannot create RTSP server" );
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goto error;
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}
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TAB_INIT( p_sys->i_media, p_sys->media );
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p_sys->i_media_id = 0;
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p_vod->pf_media_new = MediaNew;
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p_vod->pf_media_del = MediaAskDel;
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p_sys->p_fifo_cmd = block_FifoNew();
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if( vlc_clone( &p_sys->thread, CommandThread, p_vod, VLC_THREAD_PRIORITY_LOW ) )
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{
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msg_Err( p_vod, "cannot spawn rtsp vod thread" );
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block_FifoRelease( p_sys->p_fifo_cmd );
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goto error;
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}
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return VLC_SUCCESS;
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error:
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if( p_sys )
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{
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if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
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free( p_sys->psz_raw_mux );
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free( p_sys );
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}
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return VLC_EGENERIC;
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}
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/*****************************************************************************
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* Close:
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*****************************************************************************/
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static void Close( vlc_object_t * p_this )
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{
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vod_t *p_vod = (vod_t *)p_this;
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vod_sys_t *p_sys = p_vod->p_sys;
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/* Stop command thread */
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CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0, 0.0, NULL );
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vlc_join( p_sys->thread, NULL );
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while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
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{
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rtsp_cmd_t cmd;
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block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
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memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
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block_Release( p_block_cmd );
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if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
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MediaDel(p_vod, cmd.p_media);
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free( cmd.psz_session );
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free( cmd.psz_arg );
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}
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block_FifoRelease( p_sys->p_fifo_cmd );
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httpd_HostDelete( p_sys->p_rtsp_host );
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var_Destroy( p_this, "rtsp-session-timeout" );
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var_Destroy( p_this, "rtsp-throttle-users" );
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var_Destroy( p_this, "rtsp-raw-mux" );
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/* Check VLM is not buggy */
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if( p_sys->i_media > 0 )
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msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
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TAB_CLEAN( p_sys->i_media, p_sys->media );
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free( p_sys->psz_raw_mux );
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free( p_sys );
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}
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/*****************************************************************************
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* Media handling
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*****************************************************************************/
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static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
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input_item_t *p_item )
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{
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vod_sys_t *p_sys = p_vod->p_sys;
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vod_media_t *p_media = calloc( 1, sizeof(vod_media_t) );
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if( !p_media )
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return NULL;
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p_media->id = p_sys->i_media_id++;
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TAB_INIT( p_media->i_es, p_media->es );
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p_media->psz_mux = NULL;
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TAB_INIT( p_media->i_rtsp, p_media->rtsp );
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p_media->b_raw = false;
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p_media->psz_rtsp_path = strdup( psz_name );
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p_media->p_rtsp_url =
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httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_name, NULL, NULL, NULL );
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if( !p_media->psz_rtsp_path || !p_media->p_rtsp_url )
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{
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msg_Err( p_vod, "cannot create RTSP url (%s)", psz_name );
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if( p_media->p_rtsp_url )
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httpd_UrlDelete( p_media->p_rtsp_url );
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free( p_media->psz_rtsp_path );
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free( p_media );
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return NULL;
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}
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msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
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if( asprintf( &p_media->psz_rtsp_control_v4,
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"rtsp://%%s:%%d%s/trackID=%%d",
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p_media->psz_rtsp_path ) < 0 )
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{
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httpd_UrlDelete( p_media->p_rtsp_url );
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free( p_media->psz_rtsp_path );
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free( p_media );
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return NULL;
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}
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if( asprintf( &p_media->psz_rtsp_control_v6,
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"rtsp://[%%s]:%%d%s/trackID=%%d",
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p_media->psz_rtsp_path ) < 0 )
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{
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httpd_UrlDelete( p_media->p_rtsp_url );
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free( p_media->psz_rtsp_path );
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free( p_media );
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return NULL;
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}
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httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
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RtspCallback, (void*)p_media );
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httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
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RtspCallback, (void*)p_media );
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httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
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RtspCallback, (void*)p_media );
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httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
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RtspCallback, (void*)p_media );
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httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
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RtspCallback, (void*)p_media );
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httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
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RtspCallback, (void*)p_media );
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p_media->p_vod = p_vod;
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vlc_mutex_init( &p_media->lock );
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p_media->i_length = input_item_GetDuration( p_item );
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vlc_mutex_lock( &p_item->lock );
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msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
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for( int i = 0; i < p_item->i_es; i++ )
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{
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MediaAddES( p_vod, p_media, p_item->es[i] );
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}
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vlc_mutex_unlock( &p_item->lock );
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CommandPush( p_vod, RTSP_CMD_TYPE_ADD, p_media, NULL, 0, 0.0, NULL );
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return p_media;
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}
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static void MediaAskDel ( vod_t *p_vod, vod_media_t *p_media )
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{
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CommandPush( p_vod, RTSP_CMD_TYPE_DEL, p_media, NULL, 0, 0.0, NULL );
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}
|
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|
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static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
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{
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vod_sys_t *p_sys = p_vod->p_sys;
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msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
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TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
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httpd_UrlDelete( p_media->p_rtsp_url );
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|
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while( p_media->i_rtsp > 0 )
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RtspClientDel( p_media, p_media->rtsp[0] );
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TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
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|
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free( p_media->psz_rtsp_path );
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free( p_media->psz_rtsp_control_v6 );
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free( p_media->psz_rtsp_control_v4 );
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|
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while( p_media->i_es )
|
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MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
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TAB_CLEAN( p_media->i_es, p_media->es );
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vlc_mutex_destroy( &p_media->lock );
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free( p_media );
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}
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|
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static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
|
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{
|
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char *psz_urlc;
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|
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media_es_t *p_es = calloc( 1, sizeof(media_es_t) );
|
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if( !p_es )
|
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return VLC_ENOMEM;
|
|
|
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p_media->psz_mux = NULL;
|
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|
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/* TODO: update SDP, etc... */
|
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if( asprintf( &psz_urlc, "%s/trackID=%d",
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p_media->psz_rtsp_path, p_media->i_es ) < 0 )
|
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{
|
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free( p_es );
|
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return VLC_ENOMEM;
|
|
}
|
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msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
|
|
|
|
/* Dynamic payload. No conflict since we put each ES in its own
|
|
* RTP session */
|
|
p_es->i_payload_type = 96;
|
|
p_es->i_clock_rate = 90000;
|
|
p_es->i_channels = 1;
|
|
|
|
switch( p_fmt->i_codec )
|
|
{
|
|
case VLC_CODEC_S16B:
|
|
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;
|
|
}
|
|
p_es->psz_ptname = "L16";
|
|
p_es->i_clock_rate = p_fmt->audio.i_rate;
|
|
p_es->i_channels = p_fmt->audio.i_channels;
|
|
break;
|
|
case VLC_CODEC_U8:
|
|
p_es->psz_ptname = "L8";
|
|
p_es->i_clock_rate = p_fmt->audio.i_rate;
|
|
p_es->i_channels = p_fmt->audio.i_channels;
|
|
break;
|
|
case VLC_CODEC_MPGA:
|
|
p_es->i_payload_type = 14;
|
|
p_es->psz_ptname = "MPA";
|
|
break;
|
|
case VLC_CODEC_MPGV:
|
|
p_es->i_payload_type = 32;
|
|
p_es->psz_ptname = "MPV";
|
|
break;
|
|
case VLC_CODEC_A52:
|
|
p_es->psz_ptname = "ac3";
|
|
p_es->i_clock_rate = p_fmt->audio.i_rate;
|
|
break;
|
|
case VLC_CODEC_H263:
|
|
p_es->psz_ptname = "H263-1998";
|
|
break;
|
|
case VLC_CODEC_H264:
|
|
p_es->psz_ptname = "H264";
|
|
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 )
|
|
{
|
|
int i_offset = 0;
|
|
int i_size = 0;
|
|
|
|
while( p_buffer[0] != 0 || p_buffer[1] != 0 ||
|
|
p_buffer[2] != 1 )
|
|
{
|
|
p_buffer++;
|
|
i_buffer--;
|
|
if( i_buffer == 0 ) break;
|
|
}
|
|
|
|
if( i_buffer < 4 || memcmp(p_buffer, "\x00\x00\x01", 3 ) )
|
|
{
|
|
/* No startcode found.. */
|
|
break;
|
|
}
|
|
p_buffer += 3;
|
|
i_buffer -= 3;
|
|
|
|
const int i_nal_type = p_buffer[0]&0x1f;
|
|
|
|
i_size = i_buffer;
|
|
for( i_offset = 0; i_offset+2 < i_buffer ; i_offset++)
|
|
{
|
|
if( !memcmp(p_buffer + i_offset, "\x00\x00\x01", 3 ) )
|
|
{
|
|
/* we found another startcode */
|
|
while( i_offset > 0 && 0 == p_buffer[ i_offset - 1 ] )
|
|
i_offset--;
|
|
i_size = i_offset;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( i_size == 0 )
|
|
{
|
|
/* No-info found in nal */
|
|
continue;
|
|
}
|
|
|
|
if( i_nal_type == 7 )
|
|
{
|
|
free( p_64_sps );
|
|
p_64_sps = vlc_b64_encode_binary( p_buffer, i_size );
|
|
/* XXX: nothing ensures that i_size >= 4 ?? */
|
|
sprintf_hexa( hexa, &p_buffer[1], 3 );
|
|
}
|
|
else if( i_nal_type == 8 )
|
|
{
|
|
free( p_64_pps );
|
|
p_64_pps = vlc_b64_encode_binary( p_buffer, i_size );
|
|
}
|
|
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_CODEC_MP4V:
|
|
p_es->psz_ptname = "MP4V-ES";
|
|
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_CODEC_MP4A:
|
|
p_es->psz_ptname = "mpeg4-generic";
|
|
p_es->i_clock_rate = p_fmt->audio.i_rate;
|
|
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 = "ts";
|
|
p_es->i_payload_type = 33;
|
|
p_es->psz_ptname = "MP2T";
|
|
break;
|
|
case VLC_FOURCC( 'm', 'p', '2', 'p' ):
|
|
p_media->psz_mux = "ps";
|
|
p_es->psz_ptname = "MP2P";
|
|
break;
|
|
case VLC_CODEC_AMR_NB:
|
|
p_es->psz_ptname = "AMR";
|
|
p_es->i_clock_rate = 8000;
|
|
if(p_fmt->audio.i_channels == 2 )
|
|
p_es->i_channels = 2;
|
|
p_es->psz_fmtp = strdup( "octet-align=1" );
|
|
break;
|
|
case VLC_CODEC_AMR_WB:
|
|
p_es->psz_ptname = "AMR-WB";
|
|
p_es->i_clock_rate = 16000;
|
|
if(p_fmt->audio.i_channels == 2 )
|
|
p_es->i_channels = 2;
|
|
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;
|
|
|
|
vlc_mutex_lock( &p_media->lock );
|
|
TAB_APPEND( p_media->i_es, p_media->es, p_es );
|
|
vlc_mutex_unlock( &p_media->lock );
|
|
|
|
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;
|
|
|
|
/* Find the ES */
|
|
for( int 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_fmtp );
|
|
|
|
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, int64_t i_arg,
|
|
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.i_arg = i_arg;
|
|
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( void *obj )
|
|
{
|
|
vod_t *p_vod = (vod_t*)obj;
|
|
vod_sys_t *p_sys = p_vod->p_sys;
|
|
int canc = vlc_savecancel ();
|
|
|
|
for( ;; )
|
|
{
|
|
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 )
|
|
{
|
|
TAB_APPEND( p_sys->i_media, p_sys->media, cmd.p_media );
|
|
goto next;
|
|
}
|
|
|
|
if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
|
|
{
|
|
MediaDel(p_vod, cmd.p_media);
|
|
goto next;
|
|
}
|
|
|
|
/* */
|
|
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 )
|
|
{
|
|
goto next;
|
|
}
|
|
p_media = p_sys->media[i];
|
|
|
|
switch( cmd.i_type )
|
|
{
|
|
case RTSP_CMD_TYPE_PLAY:
|
|
cmd.i_arg = -1;
|
|
vod_MediaControl( p_vod, p_media, cmd.psz_session,
|
|
VOD_MEDIA_PLAY, cmd.psz_arg, &cmd.i_arg );
|
|
break;
|
|
case RTSP_CMD_TYPE_PAUSE:
|
|
cmd.i_arg = -1;
|
|
vod_MediaControl( p_vod, p_media, cmd.psz_session,
|
|
VOD_MEDIA_PAUSE, &cmd.i_arg );
|
|
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.i_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;
|
|
}
|
|
|
|
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 )
|
|
{
|
|
for( int 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] );
|
|
}
|
|
free( p_rtsp->es );
|
|
|
|
TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
|
|
|
|
free( p_rtsp->psz_session );
|
|
free( p_rtsp );
|
|
}
|
|
|
|
|
|
static int64_t 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 * CLOCK_FREQ;
|
|
}
|
|
|
|
|
|
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_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];
|
|
int i_port = atoi( strstr( psz_transport, "client_port=" ) +
|
|
strlen("client_port=") );
|
|
|
|
if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
|
|
strstr( psz_transport, "RAW/RAW/UDP" ) )
|
|
{
|
|
p_media->psz_mux = p_vod->p_sys->psz_raw_mux;
|
|
p_media->b_raw = true;
|
|
}
|
|
|
|
if( httpd_ClientIP( cl, ip, NULL ) == 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;
|
|
}
|
|
#warning Should use secure randomness here! (spoofing risk)
|
|
if( asprintf( &psz_new, "%lu", vlc_mrand48() ) < 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 )
|
|
{
|
|
p_rtsp->i_port_raw = i_port;
|
|
|
|
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_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 )
|
|
{
|
|
int64_t i_time = ParseNPT (psz_position + 4);
|
|
msg_Dbg( p_vod, "seeking request: %s", psz_position );
|
|
CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
|
|
psz_session, i_time, 0.0, NULL );
|
|
}
|
|
else 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, 0, 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, 0, f_scale, NULL );
|
|
}
|
|
}
|
|
}
|
|
/* unpause, in case it's paused */
|
|
CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
|
|
0, 0.0, "" );
|
|
break;
|
|
}
|
|
|
|
if( httpd_ClientIP( cl, ip, NULL ) == NULL ) break;
|
|
|
|
p_rtsp->b_playing = true;
|
|
|
|
/* FIXME for != 1 video and 1 audio */
|
|
for( int 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, p_rtsp->i_port_raw, 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, 0.0, 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, 0.0, NULL );
|
|
|
|
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, 0.0, 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/%s", VERSION );
|
|
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;
|
|
|
|
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 ) == 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;
|
|
}
|
|
#warning Session ID should be securely random (spoofing risk)
|
|
if( asprintf( &psz_new, "%lu", vlc_mrand48() ) < 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->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;unicast;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;unicast;client_port=%d-%d",
|
|
p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
httpd_MsgAdd( answer, "Transport",
|
|
"RTP/AVP/UDP;unicast;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 )
|
|
{
|
|
int64_t i_time = ParseNPT (psz_position + 4);
|
|
msg_Dbg( p_vod, "seeking request: %s", psz_position );
|
|
CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
|
|
psz_session, i_time, 0.0, 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( int i = 0; i < p_rtsp->i_es; i++ )
|
|
{
|
|
if( p_rtsp->es[i]->p_media_es == p_es )
|
|
{
|
|
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, 0.0, 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, 0.0, NULL );
|
|
|
|
answer->i_status = 200;
|
|
answer->i_body = 0;
|
|
answer->p_body = NULL;
|
|
break;
|
|
|
|
default:
|
|
return VLC_EGENERIC;
|
|
break;
|
|
}
|
|
|
|
httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION );
|
|
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 )
|
|
{
|
|
char *psz_sdp, ip[NI_MAXNUMERICHOST];
|
|
const char *psz_control;
|
|
int port;
|
|
|
|
if( httpd_ServerIP( cl, ip, &port ) == NULL )
|
|
return NULL;
|
|
|
|
bool ipv6 = ( strchr( ip, ':' ) != NULL );
|
|
|
|
psz_control = ipv6 ? p_media->psz_rtsp_control_v6
|
|
: p_media->psz_rtsp_control_v4;
|
|
|
|
/* Dummy destination address for RTSP */
|
|
struct sockaddr_storage dst;
|
|
socklen_t dstlen = ipv6 ? sizeof( struct sockaddr_in6 )
|
|
: sizeof( struct sockaddr_in );
|
|
memset (&dst, 0, dstlen);
|
|
dst.ss_family = ipv6 ? AF_INET6 : AF_INET;
|
|
#ifdef HAVE_SA_LEN
|
|
dst.ss_len = dstlen;
|
|
#endif
|
|
|
|
psz_sdp = vlc_sdp_Start( VLC_OBJECT( p_media->p_vod ), "sout-rtp-",
|
|
NULL, 0, (struct sockaddr *)&dst, dstlen );
|
|
if( psz_sdp == NULL )
|
|
return NULL;
|
|
|
|
if( p_media->i_length > 0 )
|
|
{
|
|
lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
|
|
sdp_AddAttribute( &psz_sdp, "range","npt=0-%lld.%03u", d.quot,
|
|
(unsigned)d.rem );
|
|
}
|
|
|
|
for( int i = 0; i < p_media->i_es; i++ )
|
|
{
|
|
media_es_t *p_es = p_media->es[i];
|
|
const char *mime_major; /* major MIME type */
|
|
|
|
switch( p_es->fmt.i_cat )
|
|
{
|
|
case VIDEO_ES:
|
|
mime_major = "video";
|
|
break;
|
|
case AUDIO_ES:
|
|
mime_major = "audio";
|
|
break;
|
|
case SPU_ES:
|
|
mime_major = "text";
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
sdp_AddMedia( &psz_sdp, mime_major, "RTP/AVP", 0 /* p_es->i_port */,
|
|
p_es->i_payload_type, false, 0,
|
|
p_es->psz_ptname, p_es->i_clock_rate, p_es->i_channels,
|
|
p_es->psz_fmtp );
|
|
|
|
sdp_AddAttribute( &psz_sdp, "control", psz_control, ip, port, i );
|
|
}
|
|
|
|
return psz_sdp;
|
|
}
|