#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>
"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)." )
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 * );
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 */
typedef struct rtp_sink_t
{
int rtp_fd;
- int rtcp_fd;
+ rtcp_sender_t *rtcp;
} rtp_sink_t;
struct sout_stream_id_t
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 )
psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "sdp" );
if( psz != NULL )
{
- if( !strncasecmp( psz, "rtsp", 4 ) )
+ 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( p_sys->i_port <= 0 )
+ else
+ if( var_GetBool( p_stream, SOUT_CFG_PREFIX "tcp" ) )
+ {
+ p_sys->sotype = SOCK_STREAM;
+ p_sys->proto = IPPROTO_TCP;
+ }
+ 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" );
continue;
/* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
- if( !strcmp( p_cfg->psz_value, psz ) )
+ if( !strcmp( p_cfg->psz_value, psz ) )
continue;
SDPHandleUrl( p_stream, p_cfg->psz_value );
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;
* mux (TS/PS), then p_fmt is NULL. */
sout_stream_sys_t *p_sys = p_stream->p_sys;
sout_stream_id_t *id;
- int i_port;
+ int i_port, cscov = -1;
char *psz_sdp;
id = vlc_object_create( p_stream, sizeof( sout_stream_id_t ) );
{
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, IPPROTO_UDP );
+ i_port, ttl, p_sys->proto );
if( fd == -1 )
{
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 )
{
return NULL;
}
+ if( cscov != -1 )
+ cscov += 8 /* UDP */ + 12 /* RTP */;
+ if( id->sinkc > 0 )
+ net_SetCSCov( id->sinkv[0].rtp_fd, cscov, -1 );
+
if( id->i_payload_type == p_sys->i_payload_type )
p_sys->i_payload_type++;
{
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 };
+
+ 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
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;
+#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 );
vlc_mutex_lock( &id->lock_sink );
for( int i = 0; i < id->sinkc; i++ )
- send( id->sinkv[i].rtp_fd, out->p_buffer, out->i_buffer, 0 );
+ {
+ 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 );
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 )
int rtp_add_sink( sout_stream_id_t *id, int fd )
{
- rtp_sink_t sink = { fd, -1 };
+ 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 );
INSERT_ELEM( id->sinkv, id->sinkc, id->sinkc, sink );
void rtp_del_sink( sout_stream_id_t *id, int fd )
{
+ rtp_sink_t sink = { fd, NULL };
+
/* NOTE: must be safe to use if fd is not included */
vlc_mutex_lock( &id->lock_sink );
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 );
- net_Close( fd );
+
+ CloseRTCP( sink.rtcp );
+ net_Close( sink.rtp_fd );
}
/****************************************************************************
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,