* rtp.c: rtp stream output module
*****************************************************************************
* Copyright (C) 2003-2004 the VideoLAN team
+ * Copyright © 2007 Rémi Denis-Courmont
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "config.h"
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#include <errno.h>
#include <vlc/vlc.h>
#include <vlc_sout.h>
#include "rtp.h"
+#ifdef HAVE_UNISTD_H
+# include <sys/types.h>
+# include <unistd.h>
+# include <fcntl.h>
+# include <sys/stat.h>
+#endif
+
+#include <errno.h>
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-#define MTU_REDUCE 50
-
#define DST_TEXT N_("Destination")
#define DST_LONGTEXT N_( \
"This is the output URL that will be used." )
"the multicast packets sent by the stream output (0 = use operating " \
"system built-in default).")
+#define DCCP_TEXT N_("DCCP transport")
+#define DCCP_LONGTEXT N_( \
+ "This enables DCCP instead of UDP as a transport for RTP." )
+#define TCP_TEXT N_("TCP transport")
+#define TCP_LONGTEXT N_( \
+ "This enables TCP instead of UDP as a transport for RTP." )
+#define UDP_LITE_TEXT N_("UDP-Lite transport")
+#define UDP_LITE_LONGTEXT N_( \
+ "This enables UDP-Lite instead of UDP as a transport for RTP." )
+
#define RFC3016_TEXT N_("MP4A LATM")
#define RFC3016_LONGTEXT N_( \
"This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
static void Close( vlc_object_t * );
#define SOUT_CFG_PREFIX "sout-rtp-"
+#define MAX_EMPTY_BLOCKS 200
vlc_module_begin();
set_shortname( _("RTP"));
add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
TTL_LONGTEXT, VLC_TRUE );
+ add_bool( SOUT_CFG_PREFIX "dccp", 0, NULL,
+ DCCP_TEXT, DCCP_LONGTEXT, VLC_FALSE );
+ add_bool( SOUT_CFG_PREFIX "tcp", 0, NULL,
+ TCP_TEXT, TCP_LONGTEXT, VLC_FALSE );
+ add_bool( SOUT_CFG_PREFIX "udplite", 0, NULL,
+ UDP_LITE_TEXT, UDP_LITE_LONGTEXT, VLC_FALSE );
+
add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
RFC3016_LONGTEXT, VLC_FALSE );
*****************************************************************************/
static const char *ppsz_sout_options[] = {
"dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
- "description", "url","email", "mp4a-latm", NULL
+ "description", "url", "email",
+ "dccp", "tcp", "udplite",
+ "mp4a-latm", NULL
};
static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
static int Del ( sout_stream_t *, sout_stream_id_t * );
static int Send( sout_stream_t *, sout_stream_id_t *,
block_t* );
+static sout_stream_id_t *MuxAdd ( sout_stream_t *, es_format_t * );
+static int MuxDel ( sout_stream_t *, sout_stream_id_t * );
+static int MuxSend( sout_stream_t *, sout_stream_id_t *,
+ block_t* );
-static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
+static sout_access_out_t *GrabberCreate( sout_stream_t *p_sout );
+static void ThreadSend( vlc_object_t *p_this );
static void SDPHandleUrl( sout_stream_t *, char * );
struct sout_stream_sys_t
{
- /* sdp */
+ /* SDP */
int64_t i_sdp_id;
int i_sdp_version;
char *psz_sdp;
char *psz_session_url;
char *psz_session_email;
- /* */
+ /* SDP to disk */
vlc_bool_t b_export_sdp_file;
char *psz_sdp_file;
- /* sap */
+
+ /* SDP via SAP */
vlc_bool_t b_export_sap;
session_descriptor_t *p_session;
+ /* SDP via HTTP */
httpd_host_t *p_httpd_host;
httpd_file_t *p_httpd_file;
+ /* RTSP */
rtsp_stream_t *rtsp;
/* */
- char *psz_destination;
- int i_port;
- int i_port_audio;
- int i_port_video;
- int i_ttl;
+ char *psz_destination;
+ uint8_t proto;
+ uint8_t i_ttl;
+ uint16_t i_port;
+ uint16_t i_port_audio;
+ uint16_t i_port_video;
vlc_bool_t b_latm;
/* when need to use a private one or when using muxer */
/* in case we do TS/PS over rtp */
sout_mux_t *p_mux;
- sout_access_out_t *p_access;
- int i_mtu;
sout_access_out_t *p_grab;
- uint16_t i_sequence;
- uint32_t i_timestamp_start;
- uint8_t ssrc[4];
block_t *packet;
/* */
typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
block_t * );
+typedef struct rtp_sink_t
+{
+ int rtp_fd;
+ rtcp_sender_t *rtcp;
+} rtp_sink_t;
+
struct sout_stream_id_t
{
+ VLC_COMMON_MEMBERS
+
sout_stream_t *p_stream;
/* rtp field */
- uint8_t i_payload_type;
- uint16_t i_sequence;
uint32_t i_timestamp_start;
+ uint16_t i_sequence;
+ uint8_t i_payload_type;
uint8_t ssrc[4];
/* for sdp */
- int i_clock_rate;
char *psz_rtpmap;
char *psz_fmtp;
- int i_port;
- int i_cat;
- int i_bitrate;
+ int i_clock_rate;
+ int i_port;
+ int i_cat;
+ int i_bitrate;
/* Packetizer specific fields */
pf_rtp_packetizer_t pf_packetize;
- int i_mtu;
-
- /* for sending the packets */
- sout_access_out_t *p_access;
+ int i_mtu;
+ /* Packets sinks */
vlc_mutex_t lock_sink;
- int i_sink;
- sout_access_out_t **sink;
- rtsp_stream_id_t *rtsp_id;
+ int sinkc;
+ rtp_sink_t *sinkv;
+ rtsp_stream_id_t *rtsp_id;
- /* */
- sout_input_t *p_input;
+ block_fifo_t *p_fifo;
+ int64_t i_caching;
};
sout_instance_t *p_sout = p_stream->p_sout;
sout_stream_sys_t *p_sys = NULL;
config_chain_t *p_cfg = NULL;
- vlc_value_t val;
+ char *psz;
vlc_bool_t b_rtsp = VLC_FALSE;
config_ChainParse( p_stream, SOUT_CFG_PREFIX,
for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
{
- if( !strcmp( p_cfg->psz_name, "sdp" ) )
+ if( !strcmp( p_cfg->psz_name, "sdp" )
+ && ( p_cfg->psz_value != NULL )
+ && !strncasecmp( p_cfg->psz_value, "rtsp:", 5 ) )
{
- if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
- {
- b_rtsp = VLC_TRUE;
- break;
- }
+ b_rtsp = VLC_TRUE;
+ break;
}
}
if( !b_rtsp )
{
- vlc_value_t val2;
- var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
- if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
- b_rtsp = VLC_TRUE;
- free( val2.psz_string );
+ psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "sdp" );
+ if( psz != NULL )
+ {
+ if( !strncasecmp( psz, "rtsp:", 5 ) )
+ b_rtsp = VLC_TRUE;
+ free( psz );
+ }
}
- if( p_sys->psz_destination == NULL )
+ /* Transport protocol */
+ p_sys->proto = IPPROTO_UDP;
+
+#if 0
+ if( var_GetBool( p_stream, SOUT_CFG_PREFIX "dccp" ) )
{
- if( !b_rtsp )
- {
- msg_Err( p_stream, "missing destination and not in rtsp mode" );
- free( p_sys );
- return VLC_EGENERIC;
- }
+ p_sys->sotype = SOCK_DCCP;
+ p_sys->proto = 33 /*IPPROTO_DCCP*/;
+ }
+ else
+ if( var_GetBool( p_stream, SOUT_CFG_PREFIX "tcp" ) )
+ {
+ p_sys->sotype = SOCK_STREAM;
+ p_sys->proto = IPPROTO_TCP;
}
- else if( p_sys->i_port <= 0 )
+ else
+#endif
+ if( var_GetBool( p_stream, SOUT_CFG_PREFIX "udplite" ) )
+ p_sys->proto = 136 /*IPPROTO_UDPLITE*/;
+
+ if( ( p_sys->psz_destination == NULL ) && !b_rtsp )
{
- msg_Err( p_stream, "invalid port" );
+ msg_Err( p_stream, "missing destination and not in RTSP mode" );
free( p_sys );
return VLC_EGENERIC;
}
* ttl are set. */
p_sys->i_ttl = config_GetInt( p_stream, "ttl" );
}
- if( p_sys->i_ttl > 255 )
- p_sys->i_ttl = 255;
- /* must not exceed 999 once formatted */
p_sys->b_latm = var_GetBool( p_stream, SOUT_CFG_PREFIX "mp4a-latm" );
p_sys->p_httpd_host = NULL;
p_sys->p_httpd_file = NULL;
+ p_stream->p_sys = p_sys;
+
vlc_mutex_init( p_stream, &p_sys->lock_sdp );
vlc_mutex_init( p_stream, &p_sys->lock_es );
- p_stream->pf_add = Add;
- p_stream->pf_del = Del;
- p_stream->pf_send = Send;
-
- p_stream->p_sys = p_sys;
-
- var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
- if( *val.psz_string )
+ psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "mux" );
+ if( psz != NULL )
{
- sout_access_out_t *p_grab;
+ sout_stream_id_t *id;
const char *psz_rtpmap;
- char url[NI_MAXHOST + 8], access[22], psz_ttl[5], ipv;
-
- if( b_rtsp )
- {
- msg_Err( p_stream, "muxing is not supported in RTSP mode" );
- free( p_sys );
- return VLC_EGENERIC;
- }
- else if( p_sys->psz_destination == NULL )
- {
- msg_Err( p_stream, "RTP needs a destination when muxing" );
- free( p_sys );
- return VLC_EGENERIC;
- }
+ int i_payload_type;
/* Check muxer type */
- if( !strncasecmp( val.psz_string, "ps", 2 )
- || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
+ if( !strncasecmp( psz, "ps", 2 )
+ || !strncasecmp( psz, "mpeg1", 5 ) )
{
psz_rtpmap = "MP2P/90000";
}
- else if( !strncasecmp( val.psz_string, "ts", 2 ) )
+ else if( !strncasecmp( psz, "ts", 2 ) )
{
psz_rtpmap = "MP2T/90000";
- p_sys->i_payload_type = 33;
+ i_payload_type = 33;
}
else
{
- msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
+ msg_Err( p_stream, "unsupported muxer type for RTP (only TS/PS)" );
+ free( psz );
+ vlc_mutex_destroy( &p_sys->lock_sdp );
+ vlc_mutex_destroy( &p_sys->lock_es );
free( p_sys );
return VLC_EGENERIC;
}
- /* create the access out */
- if( p_sys->i_ttl > 0 )
- {
- sprintf( access, "udp{raw,rtcp,ttl=%d}", p_sys->i_ttl );
- }
- else
- {
- strcat( access, "udp{raw,rtcp}" );
- }
-
- /* FIXME: we should check that url is a numerical address, otherwise
- * the SDP will be quite broken (regardless of the IP protocol version)
- * Also it might be IPv6 with no ':' if it is a DNS name.
- */
- ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
-
- /* IPv6 needs brackets if not already present */
- if ((ipv == '6') && (p_sys->psz_destination[0] != '['))
- snprintf (url, sizeof (url), "[%s]:%d",p_sys->psz_destination,
- p_sys->i_port);
- else
- snprintf (url, sizeof (url), "%s:%d",p_sys->psz_destination,
- p_sys->i_port);
+ p_sys->p_grab = GrabberCreate( p_stream );
+ p_sys->p_mux = sout_MuxNew( p_sout, psz, p_sys->p_grab );
+ free( psz );
- if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
+ if( p_sys->p_mux == NULL )
{
- msg_Err( p_stream, "cannot create the access out for %s://%s",
- access, url );
+ msg_Err( p_stream, "cannot create muxer" );
+ sout_AccessOutDelete( p_sys->p_grab );
+ vlc_mutex_destroy( &p_sys->lock_sdp );
+ vlc_mutex_destroy( &p_sys->lock_es );
free( p_sys );
return VLC_EGENERIC;
}
- p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
- if( p_sys->i_mtu <= 16 + MTU_REDUCE )
- {
- /* better than nothing */
- p_sys->i_mtu = 1500;
- }
- p_sys->i_mtu -= MTU_REDUCE;
-
- /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
- p_grab = p_sys->p_grab =
- vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
- p_grab->p_module = NULL;
- p_grab->p_sout = p_sout;
- p_grab->psz_access = strdup( "grab" );
- p_grab->p_cfg = NULL;
- p_grab->psz_path = strdup( "" );
- p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
- p_grab->pf_seek = NULL;
- p_grab->pf_write = AccessOutGrabberWrite;
-
- /* the muxer */
- if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
+
+ id = Add( p_stream, NULL );
+ if( id == NULL )
{
- msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
+ sout_MuxDelete( p_sys->p_mux );
sout_AccessOutDelete( p_sys->p_grab );
- sout_AccessOutDelete( p_sys->p_access );
+ vlc_mutex_destroy( &p_sys->lock_sdp );
+ vlc_mutex_destroy( &p_sys->lock_es );
free( p_sys );
return VLC_EGENERIC;
}
- /* create the SDP for a muxed stream (only once) */
- /* FIXME http://www.faqs.org/rfcs/rfc4566.html
- o= - should be local username (no spaces allowed)
- o= time should be hashed with some other value to garantee uniqueness
- o= don't use the localhost address. use fully qualified domain name or IP4 address
- a= source-filter: we need our source address
- a= x-plgroup: (missing)
- RTP packets need to get the correct src IP address */
- if( ipv == '4'
- && net_AddressIsMulticast( VLC_OBJECT(p_stream), p_sys->psz_destination ) )
- {
- snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
- psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
- }
- else
- {
- psz_ttl[0] = '\0';
- }
+ id->psz_rtpmap = strdup( psz_rtpmap );
+ id->i_payload_type = i_payload_type;
- asprintf( &p_sys->psz_sdp,
- "v=0\r\n"
- /* FIXME: source address not known :( */
- "o=- "I64Fu" %d IN IP%c %s\r\n"
- "s=%s\r\n"
- "i=%s\r\n"
- "u=%s\r\n"
- "e=%s\r\n"
- "c=IN IP%c %s%s\r\n"
- "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
- "a=tool:"PACKAGE_STRING"\r\n"
- "a=recvonly\r\n"
- "a=type:broadcast\r\n"
- "m=video %d RTP/AVP %d\r\n"
- "a=rtpmap:%d %s\r\n",
- p_sys->i_sdp_id, p_sys->i_sdp_version,
- ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
- p_sys->psz_session_name,
- p_sys->psz_session_description,
- p_sys->psz_session_url,
- p_sys->psz_session_email,
- ipv, p_sys->psz_destination, psz_ttl,
- p_sys->i_port, p_sys->i_payload_type,
- p_sys->i_payload_type, psz_rtpmap );
- msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
-
- /* create the rtp context */
- p_sys->ssrc[0] = rand()&0xff;
- p_sys->ssrc[1] = rand()&0xff;
- p_sys->ssrc[2] = rand()&0xff;
- p_sys->ssrc[3] = rand()&0xff;
- p_sys->i_sequence = rand()&0xffff;
- p_sys->i_timestamp_start = rand()&0xffffffff;
p_sys->packet = NULL;
+
+ p_stream->pf_add = MuxAdd;
+ p_stream->pf_del = MuxDel;
+ p_stream->pf_send = MuxSend;
}
else
{
p_sys->p_mux = NULL;
- p_sys->p_access = NULL;
p_sys->p_grab = NULL;
- }
- free( val.psz_string );
+ p_stream->pf_add = Add;
+ p_stream->pf_del = Del;
+ p_stream->pf_send = Send;
+ }
- var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
- if( *val.psz_string )
+ psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "sdp" );
+ if( psz != NULL )
{
config_chain_t *p_cfg;
- SDPHandleUrl( p_stream, val.psz_string );
+ SDPHandleUrl( p_stream, psz );
for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
{
continue;
/* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
- if( !strcmp( p_cfg->psz_value, val.psz_string ) )
+ if( !strcmp( p_cfg->psz_value, psz ) )
continue;
SDPHandleUrl( p_stream, p_cfg->psz_value );
}
}
+ free( psz );
}
- free( val.psz_string );
/* update p_sout->i_out_pace_nocontrol */
p_stream->p_sout->i_out_pace_nocontrol++;
if( p_sys->p_mux )
{
+ assert( p_sys->i_es == 1 );
+ Del( p_stream, p_sys->es[0] );
+
sout_MuxDelete( p_sys->p_mux );
- sout_AccessOutDelete( p_sys->p_access );
sout_AccessOutDelete( p_sys->p_grab );
if( p_sys->packet )
{
RtspUnsetup( p_sys->rtsp );
vlc_mutex_destroy( &p_sys->lock_sdp );
+ vlc_mutex_destroy( &p_sys->lock_es );
if( p_sys->p_httpd_file )
httpd_FileDelete( p_sys->p_httpd_file );
if( p_sys->p_httpd_host )
httpd_HostDelete( p_sys->p_httpd_host );
- if( p_sys->psz_session_name )
- free( p_sys->psz_session_name );
-
- if( p_sys->psz_session_description )
- free( p_sys->psz_session_description );
-
- if( p_sys->psz_session_url )
- free( p_sys->psz_session_url );
-
- if( p_sys->psz_session_email )
- free( p_sys->psz_session_email );
-
- if( p_sys->psz_sdp )
- free( p_sys->psz_sdp );
+ free( p_sys->psz_session_name );
+ free( p_sys->psz_session_description );
+ free( p_sys->psz_session_url );
+ free( p_sys->psz_session_email );
+ free( p_sys->psz_sdp );
if( p_sys->b_export_sdp_file )
{
goto out;
}
- /* FIXME test if destination is multicast or no destination at all FIXME */
+ /* FIXME test if destination is multicast or no destination at all */
p_sys->rtsp = RtspSetup( p_stream, &url );
if( p_sys->rtsp == NULL )
{
msg_Err( p_stream, "cannot export SDP as RTSP" );
}
+
+ if( p_sys->p_mux != NULL )
+ {
+ sout_stream_id_t *id = p_sys->es[0];
+ id->rtsp_id = RtspAddId( p_sys->rtsp, id, 0,
+ p_sys->psz_destination, p_sys->i_ttl,
+ id->i_port, id->i_port + 1 );
+ }
}
- else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
+ else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
{
p_sys->b_export_sap = VLC_TRUE;
sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
- sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
+ sizeof( "t=0 0\r\n" ) +
sizeof( "b=RR:0\r\n" ) +
sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
+ sizeof( "a=recvonly\r\n" ) +
+ sizeof( "a=type:broadcast\r\n" ) +
sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
strlen( psz_destination ) ;
for( i = 0; i < p_sys->i_es; i++ )
i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( rtsp_url ) + 10;
}
}
- if( p_sys->p_mux )
- {
- i_size += strlen( "m=video 12345 RTP/AVP 123\r\n" );
- }
ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
if( *p_sys->psz_session_email )
p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
- p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
+ p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */
+ /* when scheduled from vlm, we should set this info correctly */
p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
+ p += sprintf( p, "a=recvonly\r\n" );
+ p += sprintf( p, "a=type:broadcast\r\n" );
p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
p += sprintf( p, "a=control:/trackID=%d\r\n", i );
}
}
- if( p_sys->p_mux )
- {
- p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
- p_sys->i_port, p_sys->i_payload_type );
- }
return psz_sdp;
}
/*****************************************************************************
- *
+ * RTP mux
*****************************************************************************/
static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
s[2*i_data] = '\0';
}
+
+/** Add an ES as a new RTP stream */
static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
- sout_instance_t *p_sout = p_stream->p_sout;
+ /* NOTE: As a special case, if we use a non-RTP
+ * mux (TS/PS), then p_fmt is NULL. */
sout_stream_sys_t *p_sys = p_stream->p_sys;
sout_stream_id_t *id;
- sout_access_out_t *p_access = NULL;
- int i_port;
+ int i_port, cscov = -1;
char *psz_sdp;
- if( p_sys->p_mux != NULL )
- {
- sout_input_t *p_input = NULL;
- if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
- {
- msg_Err( p_stream, "cannot add this stream to the muxer" );
- return NULL;
- }
-
- id = malloc( sizeof( sout_stream_id_t ) );
- memset( id, 0, sizeof( sout_stream_id_t ) );
- id->p_access = NULL;
- id->p_input = p_input;
- id->pf_packetize= NULL;
- id->rtsp_id = NULL;
- id->i_port = 0;
- return id;
- }
-
+ id = vlc_object_create( p_stream, sizeof( sout_stream_id_t ) );
+ if( id == NULL )
+ return NULL;
/* Choose the port */
i_port = 0;
+ if( p_fmt == NULL )
+ ;
+ else
if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
{
i_port = p_sys->i_port_audio;
p_sys->i_port_audio = 0;
}
- else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
+ else
+ if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
{
i_port = p_sys->i_port_video;
p_sys->i_port_video = 0;
}
+
while( i_port == 0 )
{
- if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
+ if( p_sys->i_port != p_sys->i_port_audio
+ && p_sys->i_port != p_sys->i_port_video )
{
i_port = p_sys->i_port;
p_sys->i_port += 2;
p_sys->i_port += 2;
}
- if( p_sys->psz_destination )
+ id->p_stream = p_stream;
+
+ id->i_timestamp_start = rand()&0xffffffff;
+ id->i_sequence = rand()&0xffff;
+ id->i_payload_type = p_sys->i_payload_type;
+ id->ssrc[0] = rand()&0xff;
+ id->ssrc[1] = rand()&0xff;
+ id->ssrc[2] = rand()&0xff;
+ id->ssrc[3] = rand()&0xff;
+
+ id->psz_rtpmap = NULL;
+ id->psz_fmtp = NULL;
+ id->i_clock_rate = 90000; /* most common case */
+ id->i_port = i_port;
+ if( p_fmt != NULL )
+ {
+ id->i_cat = p_fmt->i_cat;
+ id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
+ }
+ else
{
- char access[22];
- char url[NI_MAXHOST + 8];
+ id->i_cat = VIDEO_ES;
+ id->i_bitrate = 0;
+ }
- /* first try to create the access out */
- if( p_sys->i_ttl > 0 )
- {
- snprintf( access, sizeof( access ), "udp{raw,rtcp,ttl=%d}",
- p_sys->i_ttl );
- access[sizeof( access ) - 1] = '\0';
- }
- else
- strcpy( access, "udp{raw,rtcp}" );
+ id->pf_packetize = NULL;
+ id->i_mtu = config_GetInt( p_stream, "mtu" );
+ if( id->i_mtu <= 12 + 16 )
+ id->i_mtu = 576 - 20 - 8; /* pessimistic */
- snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
- strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
- p_sys->psz_destination, i_port );
- url[sizeof( url ) - 1] = '\0';
+ msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
- if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
+ vlc_mutex_init( p_stream, &id->lock_sink );
+ id->sinkc = 0;
+ id->sinkv = NULL;
+ id->rtsp_id = NULL;
+
+ id->i_caching =
+ (int64_t)1000 * var_GetInteger( p_stream, SOUT_CFG_PREFIX "caching");
+ id->p_fifo = block_FifoNew( p_stream );
+
+ if( vlc_thread_create( id, "RTP send thread", ThreadSend,
+ VLC_THREAD_PRIORITY_HIGHEST, VLC_FALSE ) )
+ {
+ vlc_mutex_destroy( &id->lock_sink );
+ vlc_object_destroy( id );
+ return NULL;
+ }
+
+ if( p_sys->psz_destination != NULL )
+ {
+ int ttl = (p_sys->i_ttl > 0) ? p_sys->i_ttl : -1;
+ int fd = net_ConnectDgram( p_stream, p_sys->psz_destination,
+ i_port, ttl, p_sys->proto );
+
+ if( fd == -1 )
{
- msg_Err( p_stream, "cannot create the access out for %s://%s",
- access, url );
+ msg_Err( p_stream, "cannot create RTP socket" );
+ vlc_thread_join( id );
+ vlc_mutex_destroy( &id->lock_sink );
+ vlc_object_destroy( id );
return NULL;
}
- msg_Dbg( p_stream, "access out %s:%s", access, url );
+ rtp_add_sink( id, fd );
}
- /* not create the rtp specific stuff */
- id = malloc( sizeof( sout_stream_id_t ) );
- memset( id, 0, sizeof( sout_stream_id_t ) );
- id->p_stream = p_stream;
- id->p_access = p_access;
- id->p_input = NULL;
- id->psz_rtpmap = NULL;
- id->psz_fmtp = NULL;
- id->i_port = i_port;
- id->rtsp_id = NULL;
-
- vlc_mutex_init( p_stream, &id->lock_sink );
- id->i_sink = 0;
- id->sink = NULL;
-
+ if( p_fmt == NULL )
+ ;
+ else
switch( p_fmt->i_codec )
{
case VLC_FOURCC( 's', '1', '6', 'b' ):
{
id->i_payload_type = 10;
}
- else
- {
- id->i_payload_type = p_sys->i_payload_type++;
- }
- id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
- sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
- p_fmt->audio.i_channels );
+ if( asprintf( &id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels ) == -1 )
+ id->psz_rtpmap = NULL;
id->i_clock_rate = p_fmt->audio.i_rate;
id->pf_packetize = rtp_packetize_l16;
break;
case VLC_FOURCC( 'u', '8', ' ', ' ' ):
- id->i_payload_type = p_sys->i_payload_type++;
- id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
- sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
- p_fmt->audio.i_channels );
+ if( asprintf( &id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels ) == -1 )
+ id->psz_rtpmap = NULL;
id->i_clock_rate = p_fmt->audio.i_rate;
id->pf_packetize = rtp_packetize_l8;
break;
case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
id->i_payload_type = 14;
- id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "MPA/90000" );
id->pf_packetize = rtp_packetize_mpa;
break;
case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
id->i_payload_type = 32;
- id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "MPV/90000" );
id->pf_packetize = rtp_packetize_mpv;
break;
case VLC_FOURCC( 'a', '5', '2', ' ' ):
- id->i_payload_type = p_sys->i_payload_type++;
- id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "ac3/90000" );
id->pf_packetize = rtp_packetize_ac3;
break;
case VLC_FOURCC( 'H', '2', '6', '3' ):
- id->i_payload_type = p_sys->i_payload_type++;
- id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "H263-1998/90000" );
id->pf_packetize = rtp_packetize_h263;
break;
case VLC_FOURCC( 'h', '2', '6', '4' ):
- id->i_payload_type = p_sys->i_payload_type++;
- id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "H264/90000" );
id->pf_packetize = rtp_packetize_h264;
id->psz_fmtp = NULL;
char *p_64_pps = NULL;
char hexa[6+1];
- while( i_buffer > 4 &&
+ while( i_buffer > 4 &&
p_buffer[0] == 0 && p_buffer[1] == 0 &&
p_buffer[2] == 0 && p_buffer[3] == 1 )
{
p_buffer += i_size;
}
/* */
- if( p_64_sps && p_64_pps )
- asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
- if( p_64_sps )
- free( p_64_sps );
- if( p_64_pps )
- free( p_64_pps );
+ if( p_64_sps && p_64_pps &&
+ ( asprintf( &id->psz_fmtp,
+ "packetization-mode=1;profile-level-id=%s;"
+ "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
+ p_64_pps ) == -1 ) )
+ id->psz_fmtp = NULL;
+ free( p_64_sps );
+ free( p_64_pps );
}
if( !id->psz_fmtp )
id->psz_fmtp = strdup( "packetization-mode=1" );
{
char hexa[2*p_fmt->i_extra +1];
- id->i_payload_type = p_sys->i_payload_type++;
- id->i_clock_rate = 90000;
id->psz_rtpmap = strdup( "MP4V-ES/90000" );
id->pf_packetize = rtp_packetize_split;
if( p_fmt->i_extra > 0 )
{
- id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
- sprintf( id->psz_fmtp,
- "profile-level-id=3; config=%s;", hexa );
+ if( asprintf( &id->psz_fmtp,
+ "profile-level-id=3; config=%s;", hexa ) == -1 )
+ id->psz_fmtp = NULL;
}
break;
}
case VLC_FOURCC( 'm', 'p', '4', 'a' ):
{
- id->i_payload_type = p_sys->i_payload_type++;
id->i_clock_rate = p_fmt->audio.i_rate;
if(!p_sys->b_latm)
{
char hexa[2*p_fmt->i_extra +1];
- id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
- sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
+ if( asprintf( &id->psz_rtpmap, "mpeg4-generic/%d",
+ p_fmt->audio.i_rate ) == -1 )
+ id->psz_rtpmap = NULL;
id->pf_packetize = rtp_packetize_mp4a;
- id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
- sprintf( id->psz_fmtp,
- "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
- "config=%s; SizeLength=13;IndexLength=3; "
- "IndexDeltaLength=3; Profile=1;", hexa );
+ if( asprintf( &id->psz_fmtp,
+ "streamtype=5; profile-level-id=15; "
+ "mode=AAC-hbr; config=%s; SizeLength=13; "
+ "IndexLength=3; IndexDeltaLength=3; Profile=1;",
+ hexa ) == -1 )
+ id->psz_fmtp = NULL;
}
else
{
config[4]=0x3f;
config[5]=0xc0;
- asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
- p_fmt->audio.i_rate, p_fmt->audio.i_channels );
+ if( asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
+ p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels ) == -1)
+ id->psz_rtpmap = NULL;
id->pf_packetize = rtp_packetize_mp4a_latm;
sprintf_hexa( hexa, config, 6 );
- asprintf( &id->psz_fmtp, "profile-level-id=15; "
- "object=2; cpresent=0; config=%s", hexa );
+ if( asprintf( &id->psz_fmtp, "profile-level-id=15; "
+ "object=2; cpresent=0; config=%s", hexa ) == -1 )
+ id->psz_fmtp = NULL;
}
break;
}
case VLC_FOURCC( 's', 'a', 'm', 'r' ):
- id->i_payload_type = p_sys->i_payload_type++;
id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
"AMR/8000/2" : "AMR/8000" );
id->psz_fmtp = strdup( "octet-align=1" );
id->i_clock_rate = p_fmt->audio.i_rate;
id->pf_packetize = rtp_packetize_amr;
- break;
+ break;
case VLC_FOURCC( 's', 'a', 'w', 'b' ):
- id->i_payload_type = p_sys->i_payload_type++;
id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
"AMR-WB/16000/2" : "AMR-WB/16000" );
id->psz_fmtp = strdup( "octet-align=1" );
id->i_clock_rate = p_fmt->audio.i_rate;
id->pf_packetize = rtp_packetize_amr;
- break;
+ break;
default:
msg_Err( p_stream, "cannot add this stream (unsupported "
"codec:%4.4s)", (char*)&p_fmt->i_codec );
- if( p_access )
- {
- sout_AccessOutDelete( p_access );
- }
- free( id );
+ if( id->sinkc > 0 )
+ rtp_del_sink( id, id->sinkv[0].rtp_fd );
+ vlc_thread_join( id );
+ vlc_mutex_destroy( &id->lock_sink );
+ vlc_object_destroy( id );
return NULL;
}
- id->i_cat = p_fmt->i_cat;
- id->ssrc[0] = rand()&0xff;
- id->ssrc[1] = rand()&0xff;
- id->ssrc[2] = rand()&0xff;
- id->ssrc[3] = rand()&0xff;
- id->i_sequence = rand()&0xffff;
- id->i_timestamp_start = rand()&0xffffffff;
- id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
+ if( cscov != -1 )
+ cscov += 8 /* UDP */ + 12 /* RTP */;
+ if( id->sinkc > 0 )
+ net_SetCSCov( id->sinkv[0].rtp_fd, cscov, -1 );
- id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
- if( id->i_mtu <= 16 + MTU_REDUCE )
- {
- /* better than nothing */
- id->i_mtu = 1500;
- }
- id->i_mtu -= MTU_REDUCE;
- msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
+ if( id->i_payload_type == p_sys->i_payload_type )
+ p_sys->i_payload_type++;
if( p_sys->rtsp != NULL )
id->rtsp_id = RtspAddId( p_sys->rtsp, id, p_sys->i_es,
p_sys->i_sdp_version++;
- msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
+ msg_Dbg( p_stream, "sdp=\n%s", p_sys->psz_sdp );
/* Update SDP (sap/file) */
if( p_sys->b_export_sap ) SapSetup( p_stream );
if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
+ vlc_object_attach( id, p_stream );
return id;
}
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
+ vlc_object_kill( id );
+
vlc_mutex_lock( &p_sys->lock_es );
TAB_REMOVE( p_sys->i_es, p_sys->es, id );
vlc_mutex_unlock( &p_sys->lock_es );
p_sys->i_port_video = id->i_port;
}
- if( id->p_access )
- {
- if( id->psz_rtpmap )
- {
- free( id->psz_rtpmap );
- }
- if( id->psz_fmtp )
- {
- free( id->psz_fmtp );
- }
- sout_AccessOutDelete( id->p_access );
- }
- else if( id->p_input )
- {
- sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
- }
+ free( id->psz_rtpmap );
+ free( id->psz_fmtp );
+
if( id->rtsp_id )
RtspDelId( p_sys->rtsp, id->rtsp_id );
+ if( id->sinkc > 0 )
+ rtp_del_sink( id, id->sinkv[0].rtp_fd ); /* sink for explicit dst= */
+ vlc_thread_join( id );
vlc_mutex_destroy( &id->lock_sink );
- free( id->sink );
+ block_FifoRelease( id->p_fifo );
/* Update SDP (sap/file) */
if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
- free( id );
+ vlc_object_detach( id );
+ vlc_object_destroy( id );
return VLC_SUCCESS;
}
{
block_t *p_next;
- if( p_stream->p_sys->p_mux )
- {
- sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
- }
- else
- {
- while( p_buffer )
- {
- p_next = p_buffer->p_next;
- if( id->pf_packetize( p_stream, id, p_buffer ) )
- {
- break;
- }
- block_Release( p_buffer );
- p_buffer = p_next;
- }
- }
- return VLC_SUCCESS;
-}
-
-
-static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
- block_t *p_buffer )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- int64_t i_dts = p_buffer->i_dts;
- uint32_t i_timestamp = i_dts * 9 / 100;
-
- uint8_t *p_data = p_buffer->p_buffer;
- unsigned int i_data = p_buffer->i_buffer;
- unsigned int i_max = p_sys->i_mtu - 12;
-
- unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
-
- while( i_data > 0 )
- {
- unsigned int i_size;
-
- /* output complete packet */
- if( p_sys->packet &&
- p_sys->packet->i_buffer + i_data > i_max )
- {
- sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
- p_sys->packet = NULL;
- }
-
- if( p_sys->packet == NULL )
- {
- /* allocate a new packet */
- p_sys->packet = block_New( p_stream, p_sys->i_mtu );
- p_sys->packet->p_buffer[ 0] = 0x80;
- p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
- p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
- p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
- p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
- p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
- p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
- p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
- p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
- p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
- p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
- p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
- p_sys->packet->i_buffer = 12;
-
- p_sys->packet->i_dts = i_dts;
- p_sys->packet->i_length = p_buffer->i_length / i_packet;
- i_dts += p_sys->packet->i_length;
-
- p_sys->i_sequence++;
- }
-
- i_size = __MIN( i_data,
- (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
-
- memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
- p_data, i_size );
-
- p_sys->packet->i_buffer += i_size;
- p_data += i_size;
- i_data -= i_size;
- }
-
- return VLC_SUCCESS;
-}
+ assert( p_stream->p_sys->p_mux == NULL );
-static int AccessOutGrabberWrite( sout_access_out_t *p_access,
- block_t *p_buffer )
-{
- sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
-
- //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
- //
- while( p_buffer )
+ while( p_buffer != NULL )
{
- block_t *p_next;
-
- AccessOutGrabberWriteBuffer( p_stream, p_buffer );
-
p_next = p_buffer->p_next;
+ if( id->pf_packetize( p_stream, id, p_buffer ) )
+ break;
+
block_Release( p_buffer );
p_buffer = p_next;
}
-
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
- fprintf( f, "%s", p_sys->psz_sdp );
+ fputs( p_sys->psz_sdp, f );
fclose( f );
return VLC_SUCCESS;
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
- p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
+ p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host,
+ url->i_port > 0 ? url->i_port : 80 );
if( p_sys->p_httpd_host )
{
p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
}
/****************************************************************************
- * rtp_packetize_*:
+ * RTP send
****************************************************************************/
-static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
- int b_marker, int64_t i_pts )
+static void ThreadSend( vlc_object_t *p_this )
{
- uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
+ sout_stream_id_t *id = (sout_stream_id_t *)p_this;
+ unsigned i_caching = id->i_caching;
+#ifdef HAVE_TEE
+ int fd[5] = { -1, -1, -1, -1, -1 };
- out->p_buffer[0] = 0x80;
- out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
- out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
- out->p_buffer[3] = ( id->i_sequence )&0xff;
- out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
- out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
- out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
- out->p_buffer[7] = ( i_timestamp )&0xff;
+ if( pipe( fd ) )
+ fd[0] = fd[1] = -1;
+ else
+ if( pipe( fd ) )
+ fd[2] = fd[3] = -1;
+ else
+ fd[4] = open( "/dev/null", O_WRONLY );
+#endif
- out->p_buffer[ 8] = id->ssrc[0];
- out->p_buffer[ 9] = id->ssrc[1];
- out->p_buffer[10] = id->ssrc[2];
- out->p_buffer[11] = id->ssrc[3];
+ while( !id->b_die )
+ {
+ block_t *out = block_FifoGet( id->p_fifo );
+ mtime_t i_date = out->i_dts + i_caching;
+ ssize_t len = out->i_buffer;
- out->i_buffer = 12;
- id->i_sequence++;
-}
+#ifdef HAVE_TEE
+ if( fd[4] != -1 )
+ len = write( fd[1], out->p_buffer, len);
+ if( len == -1 )
+ continue; /* Uho - should not happen */
+#endif
+ mwait( i_date );
-static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
-{
- int i;
- vlc_mutex_lock( &id->lock_sink );
- for( i = 0; i < id->i_sink; i++ )
- {
- sout_AccessOutWrite( id->sink[i], block_Duplicate( out ) );
- }
- vlc_mutex_unlock( &id->lock_sink );
+ vlc_mutex_lock( &id->lock_sink );
+ for( int i = 0; i < id->sinkc; i++ )
+ {
+ SendRTCP( id->sinkv[i].rtcp, out );
+
+#ifdef HAVE_TEE
+ tee( fd[0], fd[3], len, 0 );
+ if( splice( fd[2], NULL, id->sinkv[i].rtp_fd, NULL, len,
+ SPLICE_F_NONBLOCK ) >= 0 )
+ continue;
+
+ /* splice failed */
+ splice( fd[2], NULL, fd[4], NULL, len, 0 );
+#endif
+ send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 );
+ }
+ vlc_mutex_unlock( &id->lock_sink );
- if( id->p_access )
- {
- sout_AccessOutWrite( id->p_access, out );
- }
- else
- {
block_Release( out );
+#ifdef HAVE_TEE
+ splice( fd[0], NULL, fd[4], NULL, len, 0 );
+#endif
}
+
+#ifdef HAVE_TEE
+ for( unsigned i = 0; i < 5; i++ )
+ close( fd[i] );
+#endif
+}
+
+static inline void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
+{
+ block_FifoPut( id->p_fifo, out );
}
-int rtp_add_sink( sout_stream_id_t *id, sout_access_out_t *access )
+int rtp_add_sink( sout_stream_id_t *id, int fd )
{
+ rtp_sink_t sink = { fd, NULL };
+ sink.rtcp = OpenRTCP( VLC_OBJECT( id->p_stream ), fd, IPPROTO_UDP );
+ if( sink.rtcp == NULL )
+ msg_Err( id, "RTCP failed!" );
+
vlc_mutex_lock( &id->lock_sink );
- TAB_APPEND( id->i_sink, id->sink, access );
+ INSERT_ELEM( id->sinkv, id->sinkc, id->sinkc, sink );
vlc_mutex_unlock( &id->lock_sink );
return VLC_SUCCESS;
}
-void rtp_del_sink( sout_stream_id_t *id, sout_access_out_t *access )
+void rtp_del_sink( sout_stream_id_t *id, int fd )
{
- /* NOTE: must be safe to use if access is not a sink to id */
+ rtp_sink_t sink = { fd, NULL };
+
+ /* NOTE: must be safe to use if fd is not included */
vlc_mutex_lock( &id->lock_sink );
- TAB_REMOVE( id->i_sink, id->sink, access );
+ for( int i = 0; i < id->sinkc; i++ )
+ {
+ if (id->sinkv[i].rtp_fd == fd)
+ {
+ sink = id->sinkv[i];
+ REMOVE_ELEM( id->sinkv, id->sinkc, i );
+ break;
+ }
+ }
vlc_mutex_unlock( &id->lock_sink );
+
+ CloseRTCP( sink.rtcp );
+ net_Close( sink.rtp_fd );
+}
+
+/****************************************************************************
+ * rtp_packetize_*:
+ ****************************************************************************/
+static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
+ int b_marker, int64_t i_pts )
+{
+ uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
+
+ out->p_buffer[0] = 0x80;
+ out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
+ out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
+ out->p_buffer[3] = ( id->i_sequence )&0xff;
+ out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
+ out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
+ out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
+ out->p_buffer[7] = ( i_timestamp )&0xff;
+
+ memcpy( out->p_buffer + 8, id->ssrc, 4 );
+
+ out->i_buffer = 12;
+ id->i_sequence++;
}
static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
return VLC_SUCCESS;
}
+
static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
}
/* rfc3984 */
-static int rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
- const uint8_t *p_data, int i_data, int64_t i_pts, int64_t i_dts, vlc_bool_t b_last, int64_t i_length )
+static int
+rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
+ const uint8_t *p_data, int i_data, int64_t i_pts,
+ int64_t i_dts, vlc_bool_t b_last, int64_t i_length )
{
const int i_max = id->i_mtu - 12; /* payload max in one packet */
int i_nal_hdr;
i_nal_hdr = p_data[3];
i_nal_type = i_nal_hdr&0x1f;
- if( i_nal_type == 7 || i_nal_type == 8 )
- {
- /* XXX Why do you want to remove them ? It will break streaming with
- * SPS/PPS change (broadcast) ? */
- return VLC_SUCCESS;
- }
/* Skip start code */
p_data += 3;
i_size = i_offset - ( p_buffer[i_offset-1] == 0 ? 1 : 0);
i_skip = i_offset;
break;
- }
+ }
}
/* TODO add STAP-A to remove a lot of overhead with small slice/sei/... */
rtp_packetize_h264_nal( p_stream, id, p_buffer, i_size,
return VLC_SUCCESS;
}
+
+/*****************************************************************************
+ * Non-RTP mux
+ *****************************************************************************/
+
+/** Add an ES to a non-RTP muxed stream */
+static sout_stream_id_t *MuxAdd( sout_stream_t *p_stream, es_format_t *p_fmt )
+{
+ sout_input_t *p_input;
+ sout_mux_t *p_mux = p_stream->p_sys->p_mux;
+ assert( p_mux != NULL );
+
+ p_input = sout_MuxAddStream( p_mux, p_fmt );
+ if( p_input == NULL )
+ {
+ msg_Err( p_stream, "cannot add this stream to the muxer" );
+ return NULL;
+ }
+
+ return (sout_stream_id_t *)p_input;
+}
+
+
+static int MuxSend( sout_stream_t *p_stream, sout_stream_id_t *id,
+ block_t *p_buffer )
+{
+ sout_mux_t *p_mux = p_stream->p_sys->p_mux;
+ assert( p_mux != NULL );
+
+ sout_MuxSendBuffer( p_mux, (sout_input_t *)id, p_buffer );
+ return VLC_SUCCESS;
+}
+
+
+/** Remove an ES from a non-RTP muxed stream */
+static int MuxDel( sout_stream_t *p_stream, sout_stream_id_t *id )
+{
+ sout_mux_t *p_mux = p_stream->p_sys->p_mux;
+ assert( p_mux != NULL );
+
+ sout_MuxDeleteStream( p_mux, (sout_input_t *)id );
+ return VLC_SUCCESS;
+}
+
+
+static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
+ const block_t *p_buffer )
+{
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ sout_stream_id_t *id = p_sys->es[0];
+
+ int64_t i_dts = p_buffer->i_dts;
+
+ uint8_t *p_data = p_buffer->p_buffer;
+ unsigned int i_data = p_buffer->i_buffer;
+ unsigned int i_max = id->i_mtu - 12;
+
+ unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
+
+ while( i_data > 0 )
+ {
+ unsigned int i_size;
+
+ /* output complete packet */
+ if( p_sys->packet &&
+ p_sys->packet->i_buffer + i_data > i_max )
+ {
+ rtp_packetize_send( id, p_sys->packet );
+ p_sys->packet = NULL;
+ }
+
+ if( p_sys->packet == NULL )
+ {
+ /* allocate a new packet */
+ p_sys->packet = block_New( p_stream, id->i_mtu );
+ rtp_packetize_common( id, p_sys->packet, 1, i_dts );
+ p_sys->packet->i_dts = i_dts;
+ p_sys->packet->i_length = p_buffer->i_length / i_packet;
+ i_dts += p_sys->packet->i_length;
+ }
+
+ i_size = __MIN( i_data,
+ (unsigned)(id->i_mtu - p_sys->packet->i_buffer) );
+
+ memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
+ p_data, i_size );
+
+ p_sys->packet->i_buffer += i_size;
+ p_data += i_size;
+ i_data -= i_size;
+ }
+
+ return VLC_SUCCESS;
+}
+
+
+static int AccessOutGrabberWrite( sout_access_out_t *p_access,
+ block_t *p_buffer )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
+
+ while( p_buffer )
+ {
+ block_t *p_next;
+
+ AccessOutGrabberWriteBuffer( p_stream, p_buffer );
+
+ p_next = p_buffer->p_next;
+ block_Release( p_buffer );
+ p_buffer = p_next;
+ }
+
+ return VLC_SUCCESS;
+}
+
+
+static sout_access_out_t *GrabberCreate( sout_stream_t *p_stream )
+{
+ sout_access_out_t *p_grab;
+
+ p_grab = vlc_object_create( p_stream->p_sout, sizeof( *p_grab ) );
+ if( p_grab == NULL )
+ return NULL;
+
+ p_grab->p_module = NULL;
+ p_grab->p_sout = p_stream->p_sout;
+ p_grab->psz_access = strdup( "grab" );
+ p_grab->p_cfg = NULL;
+ p_grab->psz_path = strdup( "" );
+ p_grab->p_sys = (sout_access_out_sys_t *)p_stream;
+ p_grab->pf_seek = NULL;
+ p_grab->pf_write = AccessOutGrabberWrite;
+ return p_grab;
+}
projects / vlc / blobdiff