* 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>
#include <vlc_charset.h>
#include <vlc_strings.h>
+#include "rtp.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." )
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* );
-/* For unicast/interleaved streaming */
-typedef struct
-{
- char *psz_session;
- int64_t i_last; /* for timeout */
+static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
- /* is it in "play" state */
- vlc_bool_t b_playing;
+static void SDPHandleUrl( sout_stream_t *, char * );
- /* output (id-access) */
- int i_id;
- sout_stream_id_t **id;
- int i_access;
- sout_access_out_t **access;
-} rtsp_client_t;
+static int SapSetup( sout_stream_t *p_stream );
+static int FileSetup( sout_stream_t *p_stream );
+static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
struct sout_stream_sys_t
{
httpd_host_t *p_httpd_host;
httpd_file_t *p_httpd_file;
- httpd_host_t *p_rtsp_host;
- httpd_url_t *p_rtsp_url;
- char *psz_rtsp_control;
- char *psz_rtsp_path;
+ rtsp_stream_t *rtsp;
/* */
char *psz_destination;
/* 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;
/* */
vlc_mutex_t lock_es;
int i_es;
sout_stream_id_t **es;
-
- /* */
- int i_rtsp;
- rtsp_client_t **rtsp;
};
typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
{
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;
- char *psz_destination;
- 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;
+ int i_mtu;
/* for sending the packets */
sout_access_out_t *p_access;
- vlc_mutex_t lock_rtsp;
- int i_rtsp_access;
- sout_access_out_t **rtsp_access;
-
- /* */
- sout_input_t *p_input;
-
- /* RTSP url control */
- httpd_url_t *p_rtsp_url;
+ vlc_mutex_t lock_sink;
+ int i_sink;
+ sout_access_out_t **sink;
+ rtsp_stream_id_t *rtsp_id;
};
-static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
-
-static void SDPHandleUrl( sout_stream_t *, char * );
-
-static int SapSetup( sout_stream_t *p_stream );
-static int FileSetup( sout_stream_t *p_stream );
-static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
-static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
-
-static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
- httpd_message_t *, httpd_message_t * );
-static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
- httpd_message_t *, httpd_message_t * );
-
-
-static rtsp_client_t *RtspClientNew( sout_stream_t *, const char *psz_session );
-static rtsp_client_t *RtspClientGet( sout_stream_t *, const char *psz_session );
-static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
/*****************************************************************************
* Open:
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,
}
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", 4 ) )
+ b_rtsp = VLC_TRUE;
+ free( psz );
+ }
}
- if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
+ if( p_sys->psz_destination == NULL )
{
if( !b_rtsp )
{
free( p_sys );
return VLC_EGENERIC;
}
- p_sys->psz_destination = NULL;
}
else if( p_sys->i_port <= 0 )
{
p_sys->i_payload_type = 96;
p_sys->i_es = 0;
p_sys->es = NULL;
- p_sys->i_rtsp = 0;
- p_sys->rtsp = NULL;
+ p_sys->rtsp = NULL;
p_sys->psz_sdp = NULL;
p_sys->i_sdp_id = mdate();
p_sys->p_httpd_host = NULL;
p_sys->p_httpd_file = NULL;
- p_sys->p_rtsp_host = NULL;
- p_sys->p_rtsp_url = NULL;
- p_sys->psz_rtsp_control = NULL;
- p_sys->psz_rtsp_path = NULL;
-
- 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;
- const char *psz_rtpmap;
- char url[NI_MAXHOST + 8], access[22], psz_ttl[5], ipv;
+ sout_stream_id_t *id;
- 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 || *p_sys->psz_destination == '\0' )
- {
- msg_Err( p_stream, "RTP needs a destination when muxing" );
- free( p_sys );
- return VLC_EGENERIC;
- }
+ p_stream->pf_add = MuxAdd;
+ p_stream->pf_del = MuxDel;
+ p_stream->pf_send = MuxSend;
+
+ id = malloc( sizeof( *id ) );
+
+ /* We have one and only one "ES" from RTP perspective */
+ TAB_APPEND( p_sys->i_es, p_sys->es, id );
+
+ //p_sys->pr_rtp_packetizer = abort;
+ id->p_stream = p_stream;
+
+ vlc_mutex_init( p_stream, &id->lock_sink );
+ id->i_sink = 0;
+ id->sink = NULL;
+ id->rtsp_id = NULL;
/* 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";
+ id->psz_rtpmap = strdup( "MP2P/90000" );
+ id->i_payload_type = p_sys->i_payload_type++;
}
- else if( !strncasecmp( val.psz_string, "ts", 2 ) )
+ else if( !strncasecmp( psz, "ts", 2 ) )
{
- psz_rtpmap = "MP2T/90000";
- p_sys->i_payload_type = 33;
+ id->psz_rtpmap = strdup( "MP2T/90000" );
+ id->i_payload_type = 33;
}
else
{
msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
+ free( psz );
free( p_sys );
return VLC_EGENERIC;
}
+ id->i_clock_rate = 90000;
+ id->psz_fmtp = NULL;
+ id->i_port = p_sys->i_port;
+ id->i_cat = VIDEO_ES;
+ id->i_bitrate = 0;
+
/* create the access out */
- if( p_sys->i_ttl > 0 )
- {
- sprintf( access, "udp{raw,rtcp,ttl=%d}", p_sys->i_ttl );
- }
+ if( p_sys->psz_destination == NULL )
+ id->p_access = NULL;
else
{
- strcat( access, "udp{raw,rtcp}" );
- }
+ char url[NI_MAXHOST + 8], access[22];
- /* 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';
+ if( p_sys->i_ttl > 0 )
+ sprintf( access, "udp{raw,rtcp,ttl=%d}", p_sys->i_ttl );
+ else
+ strcat( access, "udp{raw,rtcp}" );
- /* 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);
+ /* IPv6 needs brackets if not already present */
+ if (strchr( p_sys->psz_destination, ':' ) != NULL )
+ 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);
- if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
- {
- msg_Err( p_stream, "cannot create the access out for %s://%s",
- access, url );
- free( p_sys );
- return VLC_EGENERIC;
+ id->p_access = sout_AccessOutNew( p_sout, access, url );
+ if( id->p_access == NULL )
+ {
+ msg_Err( p_stream, "cannot create the access out for %s://%s",
+ access, url );
+ free( psz );
+ 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 )
+
+ id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
+ if( id->i_mtu <= 12 + 16 )
{
/* better than nothing */
- p_sys->i_mtu = 1500;
+ id->i_mtu = 576 - 20 - 8;
}
- p_sys->i_mtu -= MTU_REDUCE;
/* the access out grabber TODO export it as sout_AccessOutGrabberNew */
p_grab = p_sys->p_grab =
p_grab->pf_write = AccessOutGrabberWrite;
/* the muxer */
- if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
+ if( !( p_sys->p_mux = sout_MuxNew( p_sout, psz, p_sys->p_grab ) ) )
{
- msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
+ msg_Err( p_stream, "cannot create the muxer (%s)", psz );
sout_AccessOutDelete( p_sys->p_grab );
- sout_AccessOutDelete( p_sys->p_access );
+ sout_AccessOutDelete( id->p_access );
+ free( psz );
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';
- }
-
- asprintf( &p_sys->psz_sdp,
- "v=0\r\n"
- /* FIXME: source address not known :( */
- "o=- "I64Fd" %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 );
+ p_sys->psz_sdp = SDPGenerate( p_stream, NULL );
+ msg_Dbg( p_stream, "sdp=\n%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;
+ 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;
p_sys->packet = NULL;
+
+ free( psz );
}
else
{
+ p_stream->pf_add = Add;
+ p_stream->pf_del = Del;
+ p_stream->pf_send = Send;
+
p_sys->p_mux = NULL;
- p_sys->p_access = NULL;
p_sys->p_grab = NULL;
}
- free( val.psz_string );
+ vlc_mutex_init( p_stream, &p_sys->lock_sdp );
+ vlc_mutex_init( p_stream, &p_sys->lock_es );
- 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] );
+ free( p_sys->es);
+
sout_MuxDelete( p_sys->p_mux );
- sout_AccessOutDelete( p_sys->p_access );
sout_AccessOutDelete( p_sys->p_grab );
if( p_sys->packet )
{
}
}
- while( p_sys->i_rtsp > 0 )
- RtspClientDel( p_stream, p_sys->rtsp[0] );
+ if( p_sys->rtsp != NULL )
+ 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->p_rtsp_url )
- httpd_UrlDelete( p_sys->p_rtsp_url );
-
- if( p_sys->p_rtsp_host )
- httpd_HostDelete( p_sys->p_rtsp_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 )
{
#endif
free( p_sys->psz_sdp_file );
}
- if( p_sys->psz_destination )
- free( p_sys->psz_destination );
+ free( p_sys->psz_destination );
free( p_sys );
}
if( p_sys->p_httpd_file )
{
msg_Err( p_stream, "you can use sdp=http:// only once" );
- return;
+ goto out;
}
if( HttpSetup( p_stream, &url ) )
{
- msg_Err( p_stream, "cannot export sdp as http" );
+ msg_Err( p_stream, "cannot export SDP as HTTP" );
}
}
else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
{
- if( p_sys->p_rtsp_url )
+ if( p_sys->rtsp != NULL )
{
msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
- return;
+ goto out;
}
/* FIXME test if destination is multicast or no destination at all FIXME */
- if( RtspSetup( p_stream, &url ) )
+ 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 )
{
- msg_Err( p_stream, "cannot export sdp as rtsp" );
+ 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" ) ) ||
if( p_sys->b_export_sdp_file )
{
msg_Err( p_stream, "you can use sdp=file:// only once" );
- return;
+ goto out;
}
p_sys->b_export_sdp_file = VLC_TRUE;
psz_url = &psz_url[5];
msg_Warn( p_stream, "unknown protocol for SDP (%s)",
url.psz_protocol );
}
+
+out:
vlc_UrlClean( &url );
}
a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
a= x-plgroup: (missing)
RTP packets need to get the correct src IP address */
-static char *SDPGenerate( const sout_stream_t *p_stream,
- const char *psz_destination, vlc_bool_t b_rtsp )
+/*static*/
+char *SDPGenerate( const sout_stream_t *p_stream, const char *rtsp_url )
{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- int i_size;
+ const sout_stream_sys_t *p_sys = p_stream->p_sys;
+ size_t i_size;
+ const char *psz_destination = p_sys->psz_destination;
char *psz_sdp, *p, ipv;
int i;
+ /*
+ * When we have a fixed destination (typically when we do multicast),
+ * we need to put the actual port numbers in the SDP.
+ * When there is no fixed destination, we only support RTSP unicast
+ * on-demand setup, so we should rather let the clients decide which ports
+ * to use.
+ * When there is both a fixed destination and RTSP unicast, we need to
+ * put port numbers used by the fixed destination, otherwise the SDP would
+ * become totally incorrect for multicast use. It should be noted that
+ * port numbers from SDP with RTSP are only "recommendation" from the
+ * server to the clients (per RFC2326), so only broken clients will fail
+ * to handle this properly. There is no solution but to use two differents
+ * output chain with two different RTSP URLs if you need to handle this
+ * scenario.
+ */
+ int inclport = (psz_destination != NULL);
/* FIXME: breaks IP version check on unknown destination */
if( psz_destination == NULL )
sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
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=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
}
- if( b_rtsp )
+ if( rtsp_url != NULL )
{
- i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
+ i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( rtsp_url ) + 10;
}
}
- if( p_sys->p_mux )
- {
- i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
- }
ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
p = psz_sdp = malloc( i_size );
p += sprintf( p, "v=0\r\n" );
- p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
+ p += sprintf( p, "o=- "I64Fu" %d IN IP%c %s\r\n",
p_sys->i_sdp_id, p_sys->i_sdp_version,
ipv, ipv == '6' ? "::1" : "127.0.0.1" );
if( *p_sys->psz_session_name )
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 );
for( i = 0; i < p_sys->i_es; i++ )
{
sout_stream_id_t *id = p_sys->es[i];
+ const char *mime_major; /* major MIME type */
if( id->i_cat == AUDIO_ES )
- {
- p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
- id->i_port, id->i_payload_type );
- }
- else if( id->i_cat == VIDEO_ES )
- {
- p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
- id->i_port, id->i_payload_type );
- }
+ mime_major = "audio";
+ else
+ if( id->i_cat == VIDEO_ES )
+ mime_major = "video";
else
- {
continue;
- }
+
+ p += sprintf( p, "m=%s %d RTP/AVP %d\r\n", mime_major,
+ inclport * id->i_port, id->i_payload_type );
+
if ( id->i_bitrate )
{
p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
id->psz_fmtp );
}
- if( b_rtsp )
+ if( rtsp_url != NULL )
{
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;
sout_stream_sys_t *p_sys = p_stream->p_sys;
sout_stream_id_t *id;
- sout_access_out_t *p_access = NULL;
+ sout_access_out_t *p_access;
int i_port;
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->p_rtsp_url = NULL;
- id->i_port = 0;
- return id;
- }
-
+ assert( p_sys->p_mux == NULL );
/* Choose the port */
i_port = 0;
p_sys->i_port += 2;
}
- if( p_sys->psz_destination )
+ if( p_sys->psz_destination == NULL )
+ p_access = NULL;
+ else
{
char access[22];
char url[NI_MAXHOST + 8];
/* first try to create the access out */
- if( p_sys->i_ttl )
+ if( p_sys->i_ttl > 0 )
{
snprintf( access, sizeof( access ), "udp{raw,rtcp,ttl=%d}",
p_sys->i_ttl );
p_sys->psz_destination, i_port );
url[sizeof( url ) - 1] = '\0';
- if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
+ p_access = sout_AccessOutNew( p_sout, access, url );
+ if( p_access == NULL )
{
msg_Err( p_stream, "cannot create the access out for %s://%s",
access, url );
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->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
- id->i_port = i_port;
- id->p_rtsp_url = NULL;
- vlc_mutex_init( p_stream, &id->lock_rtsp );
- id->i_rtsp_access = 0;
- id->rtsp_access = 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;
switch( p_fmt->i_codec )
{
{
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 );
+ asprintf( &id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels );
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 );
+ asprintf( &id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
+ p_fmt->audio.i_channels );
id->i_clock_rate = p_fmt->audio.i_rate;
id->pf_packetize = rtp_packetize_l8;
break;
}
/* */
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 );
+ 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 )
{
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 );
+ asprintf( &id->psz_rtpmap, "mpeg4-generic/%d",
+ p_fmt->audio.i_rate );
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 );
+ asprintf( &id->psz_fmtp,
+ "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
+ "config=%s; SizeLength=13;IndexLength=3; "
+ "IndexDeltaLength=3; Profile=1;", hexa );
}
else
{
id->i_timestamp_start = rand()&0xffffffff;
id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
- id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
- if( id->i_mtu <= 16 + MTU_REDUCE )
+ id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
+ if( id->i_mtu <= 12 + 16 )
{
/* better than nothing */
- id->i_mtu = 1500;
+ id->i_mtu = 576 - 20 - 8;
}
- id->i_mtu -= MTU_REDUCE;
msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
- if( p_sys->p_rtsp_url )
- {
- char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
-
- sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
- msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
- id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
-
- if( id->p_rtsp_url )
- {
- httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallbackId, (void*)id );
- httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
- httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallbackId, (void*)id );
- httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallbackId, (void*)id );
- httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallbackId, (void*)id );
- }
- }
-
+ if( p_sys->rtsp != NULL )
+ id->rtsp_id = RtspAddId( p_sys->rtsp, id, p_sys->i_es,
+ p_sys->psz_destination,
+ p_sys->i_ttl, id->i_port, id->i_port + 1 );
/* Update p_sys context */
vlc_mutex_lock( &p_sys->lock_es );
TAB_APPEND( p_sys->i_es, p_sys->es, id );
vlc_mutex_unlock( &p_sys->lock_es );
- psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
+ psz_sdp = SDPGenerate( p_stream, NULL );
vlc_mutex_lock( &p_sys->lock_sdp );
free( p_sys->psz_sdp );
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 );
{
free( id->psz_fmtp );
}
- if( id->psz_destination )
- free( id->psz_destination );
sout_AccessOutDelete( id->p_access );
}
- else if( id->p_input )
- {
- sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
- }
- if( id->p_rtsp_url )
- {
- httpd_UrlDelete( id->p_rtsp_url );
- }
- vlc_mutex_destroy( &id->lock_rtsp );
- if( id->rtsp_access ) free( id->rtsp_access );
+
+ if( id->rtsp_id )
+ RtspDelId( p_sys->rtsp, id->rtsp_id );
+
+ vlc_mutex_destroy( &id->lock_sink );
+ free( id->sink );
/* Update SDP (sap/file) */
if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
{
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;
+ assert( p_stream->p_sys->p_mux == NULL );
- 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 )
+ while( p_buffer != NULL )
{
- 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;
-}
-
-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 )
- {
- 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;
return VLC_SUCCESS;
}
-/****************************************************************************
- * RTSP:
- ****************************************************************************/
-static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, const char *psz_session )
-{
- rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
-
- rtsp->psz_session = strdup( psz_session );
- rtsp->i_last = 0;
- rtsp->b_playing = VLC_FALSE;
- rtsp->i_id = 0;
- rtsp->id = NULL;
- rtsp->i_access = 0;
- rtsp->access = NULL;
-
- TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
-
- return rtsp;
-}
-static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, const char *psz_session )
-{
- int i;
-
- if( !psz_session ) return NULL;
-
- for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
- {
- if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
- {
- return p_stream->p_sys->rtsp[i];
- }
- }
- return NULL;
-}
-
-static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
-{
- int i;
- TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
-
- for( i = 0; i < rtsp->i_access; i++ )
- {
- sout_AccessOutDelete( rtsp->access[i] );
- }
- if( rtsp->id ) free( rtsp->id );
- if( rtsp->access ) free( rtsp->access );
-
- free( rtsp->psz_session );
- free( rtsp );
-}
-
-static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
-{
- sout_stream_sys_t *p_sys = p_stream->p_sys;
-
- msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
-
- p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
- if( p_sys->p_rtsp_host == NULL )
- {
- return VLC_EGENERIC;
- }
-
- p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
- p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
- sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
- url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
-
- p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
- if( p_sys->p_rtsp_url == 0 )
- {
- return VLC_EGENERIC;
- }
- httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
- httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallback, (void*)p_stream );
- httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
- httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
- httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
-
- return VLC_SUCCESS;
-}
-
-static int RtspCallback( httpd_callback_sys_t *p_args,
- httpd_client_t *cl,
- httpd_message_t *answer, httpd_message_t *query )
-{
- sout_stream_t *p_stream = (sout_stream_t*)p_args;
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- char *psz_destination = p_sys->psz_destination;
- const char *psz_session = NULL;
- const char *psz_cseq = NULL;
-
- if( answer == NULL || query == NULL )
- {
- return VLC_SUCCESS;
- }
- //fprintf( stderr, "RtspCallback query: type=%d\n", 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;
-
- if( httpd_MsgGet( query, "Require" ) != NULL )
- answer->i_status = 551;
- else
- switch( query->i_type )
- {
- case HTTPD_MSG_DESCRIBE:
- {
- char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
-
- answer->i_status = 200;
- httpd_MsgAdd( answer, "Content-Type", "%s", "application/sdp" );
- httpd_MsgAdd( answer, "Content-Base", "%s", p_sys->psz_rtsp_control );
- answer->p_body = (uint8_t *)psz_sdp;
- answer->i_body = strlen( psz_sdp );
- break;
- }
-
- case HTTPD_MSG_SETUP:
- answer->i_status = 459;
- break;
-
- case HTTPD_MSG_PLAY:
- {
- rtsp_client_t *rtsp;
- /* for now only multicast so easy */
- answer->i_status = 200;
-
- psz_session = httpd_MsgGet( query, "Session" );
- rtsp = RtspClientGet( p_stream, psz_session );
- if( rtsp && !rtsp->b_playing )
- {
- int i_id;
- /* FIXME */
- rtsp->b_playing = VLC_TRUE;
-
- vlc_mutex_lock( &p_sys->lock_es );
- for( i_id = 0; i_id < rtsp->i_id; i_id++ )
- {
- sout_stream_id_t *id = rtsp->id[i_id];
- int i;
-
- for( i = 0; i < p_sys->i_es; i++ )
- {
- if( id == p_sys->es[i] )
- break;
- }
- if( i >= p_sys->i_es ) continue;
-
- vlc_mutex_lock( &id->lock_rtsp );
- TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
- vlc_mutex_unlock( &id->lock_rtsp );
- }
- vlc_mutex_unlock( &p_sys->lock_es );
- }
- break;
- }
-
- case HTTPD_MSG_PAUSE:
- answer->i_status = 405;
- httpd_MsgAdd( answer, "Allow", "DESCRIBE, PLAY, TEARDOWN" );
- break;
-
- case HTTPD_MSG_TEARDOWN:
- {
- rtsp_client_t *rtsp;
-
- /* for now only multicast so easy again */
- answer->i_status = 200;
-
- psz_session = httpd_MsgGet( query, "Session" );
- rtsp = RtspClientGet( p_stream, psz_session );
- if( rtsp )
- {
- int i_id;
-
- vlc_mutex_lock( &p_sys->lock_es );
- for( i_id = 0; i_id < rtsp->i_id; i_id++ )
- {
- sout_stream_id_t *id = rtsp->id[i_id];
- int i;
-
- for( i = 0; i < p_sys->i_es; i++ )
- {
- if( id == p_sys->es[i] )
- break;
- }
- if( i >= p_sys->i_es ) continue;
-
- vlc_mutex_lock( &id->lock_rtsp );
- TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
- vlc_mutex_unlock( &id->lock_rtsp );
- }
- vlc_mutex_unlock( &p_sys->lock_es );
-
- RtspClientDel( p_stream, rtsp );
- }
- break;
- }
-
- default:
- return VLC_EGENERIC;
- }
-
- httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
- httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
- psz_cseq = httpd_MsgGet( query, "Cseq" );
- httpd_MsgAdd( answer, "Cseq", "%s", psz_cseq ? psz_cseq : "0" );
- httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
-
- if( psz_session )
- httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
- return VLC_SUCCESS;
-}
-
-static int RtspCallbackId( httpd_callback_sys_t *p_args,
- httpd_client_t *cl,
- httpd_message_t *answer, httpd_message_t *query )
-{
- sout_stream_id_t *id = (sout_stream_id_t*)p_args;
- sout_stream_t *p_stream = id->p_stream;
- sout_stream_sys_t *p_sys = p_stream->p_sys;
- char psz_session_init[100];
- const char *psz_session = NULL;
- const char *psz_cseq = NULL;
-
-
- if( answer == NULL || query == NULL )
- return VLC_SUCCESS;
- //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
-
- /* */
- snprintf( psz_session_init, sizeof(psz_session_init), "%d", rand() );
-
- /* */
- 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;
-
- if( httpd_MsgGet( query, "Require" ) != NULL )
- answer->i_status = 551;
- else
- switch( query->i_type )
- {
- case HTTPD_MSG_SETUP:
- {
- const char *psz_transport = httpd_MsgGet( query, "Transport" );
- if( psz_transport == NULL )
- {
- answer->i_status = 461;
- break;
- }
-
- //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
-
- if( strstr( psz_transport, "multicast" ) && id->psz_destination )
- {
- //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
- answer->i_status = 200;
-
- psz_session = httpd_MsgGet( query, "Session" );
- if( !psz_session )
- psz_session = psz_session_init;
-
- httpd_MsgAdd( answer, "Transport",
- "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
- id->psz_destination, id->i_port,id->i_port+1,
- p_sys->i_ttl > 0 ? p_sys->i_ttl : 1);
- }
- else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
- {
- int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
- char ip[NI_MAXNUMERICHOST], psz_access[22], psz_url[NI_MAXNUMERICHOST + 8];
-
- sout_access_out_t *p_access;
-
- rtsp_client_t *rtsp = NULL;
-
- if( httpd_ClientIP( cl, ip ) == NULL )
- {
- answer->i_status = 500;
- break;
- }
-
- //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
-
- psz_session = httpd_MsgGet( query, "Session" );
- if( !psz_session )
- {
- psz_session = psz_session_init;
- rtsp = RtspClientNew( p_stream, psz_session_init );
- }
- else
- {
- rtsp = RtspClientGet( p_stream, psz_session );
- if( rtsp == NULL )
- {
- answer->i_status = 454;
- break;
- }
- }
-
- /* first try to create the access out */
- if( p_sys->i_ttl )
- snprintf( psz_access, sizeof( psz_access ),
- "udp{raw,rtcp,ttl=%d}", p_sys->i_ttl );
- else
- strcpy( psz_access, "udp{raw,rtcp}" );
-
- snprintf( psz_url, sizeof( psz_url ),
- ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
- ip, i_port );
-
- if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
- {
- msg_Err( p_stream, "cannot create the access out for %s://%s",
- psz_access, psz_url );
- answer->i_status = 500;
- break;
- }
-
- TAB_APPEND( rtsp->i_id, rtsp->id, id );
- TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
-
- answer->i_status = 200;
-
- httpd_MsgAdd( answer, "Transport",
- "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
- }
- else /* TODO strstr( psz_transport, "interleaved" ) ) */
- {
- answer->i_status = 461;
- }
- break;
- }
-
- default:
- answer->i_status = 460;
- break;
-
- return VLC_EGENERIC;
- }
-
- httpd_MsgAdd( answer, "Server", "VLC Server" );
- httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
- psz_cseq = httpd_MsgGet( query, "Cseq" );
- httpd_MsgAdd( answer, "Cseq", "%s", psz_cseq ? psz_cseq : "0");
- httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
-
- if( psz_session )
- httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
- return VLC_SUCCESS;
-}
-
/****************************************************************************
* rtp_packetize_*:
****************************************************************************/
out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
out->p_buffer[7] = ( i_timestamp )&0xff;
- 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];
+ memcpy( out->p_buffer + 8, id->ssrc, 4 );
out->i_buffer = 12;
id->i_sequence++;
static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
{
int i;
- vlc_mutex_lock( &id->lock_rtsp );
- for( i = 0; i < id->i_rtsp_access; i++ )
+ vlc_mutex_lock( &id->lock_sink );
+ for( i = 0; i < id->i_sink; i++ )
{
- sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
+ sout_AccessOutWrite( id->sink[i], block_Duplicate( out ) );
}
- vlc_mutex_unlock( &id->lock_rtsp );
+ vlc_mutex_unlock( &id->lock_sink );
if( id->p_access )
{
}
}
+int rtp_add_sink( sout_stream_id_t *id, sout_access_out_t *access )
+{
+ vlc_mutex_lock( &id->lock_sink );
+ TAB_APPEND( id->i_sink, id->sink, access );
+ vlc_mutex_unlock( &id->lock_sink );
+ return VLC_SUCCESS;
+}
+
+void rtp_del_sink( sout_stream_id_t *id, sout_access_out_t *access )
+{
+ /* NOTE: must be safe to use if access is not a sink to id */
+ vlc_mutex_lock( &id->lock_sink );
+ TAB_REMOVE( id->i_sink, id->sink, access );
+ vlc_mutex_unlock( &id->lock_sink );
+}
+
static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
block_t *in )
{
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;
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;
+
+ id->i_sequence++;
+ }
+
+ 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;
+}
projects / vlc / blobdiff