/*****************************************************************************
* rtp.c: rtp stream output module
*****************************************************************************
- * Copyright (C) 2003-2004 the VideoLAN team
+ * Copyright (C) 2003-2004, 2010 the VideoLAN team
* Copyright © 2007-2008 Rémi Denis-Courmont
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Pierre Ynard
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <vlc_url.h>
#include <vlc_network.h>
#include <vlc_fs.h>
-#include <vlc_strings.h>
#include <vlc_rand.h>
#ifdef HAVE_SRTP
# include <srtp.h>
+# include <gcrypt.h>
+# include <vlc_gcrypt.h>
#endif
#include "rtp.h"
-#ifdef HAVE_UNISTD_H
-# include <sys/types.h>
-# include <unistd.h>
-#endif
+#include <sys/types.h>
+#include <unistd.h>
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
# define IPPROTO_UDPLITE 136
#endif
+#include <ctype.h>
#include <errno.h>
-
#include <assert.h>
/*****************************************************************************
#define SDP_TEXT N_("SDP")
#define SDP_LONGTEXT N_( \
"This allows you to specify how the SDP (Session Descriptor) for this RTP "\
- "session will be made available. You must use an url: http://location to " \
+ "session will be made available. You must use a url: http://location to " \
"access the SDP via HTTP, rtsp://location for RTSP access, and sap:// " \
"for the SDP to be announced via SAP." )
#define SAP_TEXT N_("SAP announcing")
#define NAME_LONGTEXT N_( \
"This is the name of the session that will be announced in the SDP " \
"(Session Descriptor)." )
+#define CAT_TEXT N_("Session category")
+#define CAT_LONGTEXT N_( \
+ "This allows you to specify a category for the session, " \
+ "that will be announced if you choose to use SAP." )
#define DESC_TEXT N_("Session description")
#define DESC_LONGTEXT N_( \
"This allows you to give a short description with details about the stream, " \
"that will be announced in the SDP (Session Descriptor)." )
#define URL_TEXT N_("Session URL")
#define URL_LONGTEXT N_( \
- "This allows you to give an URL with more details about the stream " \
+ "This allows you to give a URL with more details about the stream " \
"(often the website of the streaming organization), that will " \
"be announced in the SDP (Session Descriptor)." )
#define EMAIL_TEXT N_("Session email")
#define SRTP_KEY_TEXT N_("SRTP key (hexadecimal)")
#define SRTP_KEY_LONGTEXT N_( \
"RTP packets will be integrity-protected and ciphered "\
- "with this Secure RTP master shared secret key.")
+ "with this Secure RTP master shared secret key. "\
+ "This must be a 32-character-long hexadecimal string.")
#define SRTP_SALT_TEXT N_("SRTP salt (hexadecimal)")
#define SRTP_SALT_LONGTEXT N_( \
- "Secure RTP requires a (non-secret) master salt value.")
+ "Secure RTP requires a (non-secret) master salt value. " \
+ "This must be a 28-character-long hexadecimal string.")
static const char *const ppsz_protos[] = {
"dccp", "sctp", "tcp", "udp", "udplite",
#define RFC3016_LONGTEXT N_( \
"This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
+#define RTSP_TIMEOUT_TEXT N_( "RTSP session timeout (s)" )
+#define RTSP_TIMEOUT_LONGTEXT N_( "RTSP sessions will be closed after " \
+ "not receiving any RTSP request for this long. Setting it to a " \
+ "negative value or zero disables timeouts. The default is 60 (one " \
+ "minute)." )
+
+#define RTSP_USER_TEXT N_("Username")
+#define RTSP_USER_LONGTEXT N_("User name that will be " \
+ "requested to access the stream." )
+#define RTSP_PASS_TEXT N_("Password")
+#define RTSP_PASS_LONGTEXT N_("Password that will be " \
+ "requested to access the stream." )
+
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
set_shortname( N_("RTP"))
set_description( N_("RTP stream output") )
set_capability( "sout stream", 0 )
- add_shortcut( "rtp" )
+ add_shortcut( "rtp", "vod" )
set_category( CAT_SOUT )
set_subcategory( SUBCAT_SOUT_STREAM )
- add_string( SOUT_CFG_PREFIX "dst", "", NULL, DEST_TEXT,
+ add_string( SOUT_CFG_PREFIX "dst", "", DEST_TEXT,
DEST_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
+ add_string( SOUT_CFG_PREFIX "sdp", "", SDP_TEXT,
SDP_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
+ add_string( SOUT_CFG_PREFIX "mux", "", MUX_TEXT,
MUX_LONGTEXT, true )
- add_bool( SOUT_CFG_PREFIX "sap", false, NULL, SAP_TEXT, SAP_LONGTEXT,
+ add_bool( SOUT_CFG_PREFIX "sap", false, SAP_TEXT, SAP_LONGTEXT,
true )
- add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT,
+ add_string( SOUT_CFG_PREFIX "name", "", NAME_TEXT,
NAME_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
+ add_string( SOUT_CFG_PREFIX "cat", "", CAT_TEXT, CAT_LONGTEXT, true )
+ add_string( SOUT_CFG_PREFIX "description", "", DESC_TEXT,
DESC_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
+ add_string( SOUT_CFG_PREFIX "url", "", URL_TEXT,
URL_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
+ add_string( SOUT_CFG_PREFIX "email", "", EMAIL_TEXT,
EMAIL_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT,
+ add_string( SOUT_CFG_PREFIX "phone", "", PHONE_TEXT,
PHONE_LONGTEXT, true )
- add_string( SOUT_CFG_PREFIX "proto", "udp", NULL, PROTO_TEXT,
+ add_string( SOUT_CFG_PREFIX "proto", "udp", PROTO_TEXT,
PROTO_LONGTEXT, false )
- change_string_list( ppsz_protos, ppsz_protocols, NULL )
- add_integer( SOUT_CFG_PREFIX "port", 5004, NULL, PORT_TEXT,
+ change_string_list( ppsz_protos, ppsz_protocols )
+ add_integer( SOUT_CFG_PREFIX "port", 5004, PORT_TEXT,
PORT_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "port-audio", 0, NULL, PORT_AUDIO_TEXT,
+ add_integer( SOUT_CFG_PREFIX "port-audio", 0, PORT_AUDIO_TEXT,
PORT_AUDIO_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "port-video", 0, NULL, PORT_VIDEO_TEXT,
+ add_integer( SOUT_CFG_PREFIX "port-video", 0, PORT_VIDEO_TEXT,
PORT_VIDEO_LONGTEXT, true )
- add_integer( SOUT_CFG_PREFIX "ttl", -1, NULL, TTL_TEXT,
+ add_integer( SOUT_CFG_PREFIX "ttl", -1, TTL_TEXT,
TTL_LONGTEXT, true )
- add_bool( SOUT_CFG_PREFIX "rtcp-mux", false, NULL,
+ add_bool( SOUT_CFG_PREFIX "rtcp-mux", false,
RTCP_MUX_TEXT, RTCP_MUX_LONGTEXT, false )
- add_integer( SOUT_CFG_PREFIX "caching", DEFAULT_PTS_DELAY / 1000, NULL,
+ add_integer( SOUT_CFG_PREFIX "caching", DEFAULT_PTS_DELAY / 1000,
CACHING_TEXT, CACHING_LONGTEXT, true )
#ifdef HAVE_SRTP
- add_string( SOUT_CFG_PREFIX "key", "", NULL,
+ add_string( SOUT_CFG_PREFIX "key", "",
SRTP_KEY_TEXT, SRTP_KEY_LONGTEXT, false )
- add_string( SOUT_CFG_PREFIX "salt", "", NULL,
+ add_string( SOUT_CFG_PREFIX "salt", "",
SRTP_SALT_TEXT, SRTP_SALT_LONGTEXT, false )
#endif
- add_bool( SOUT_CFG_PREFIX "mp4a-latm", false, NULL, RFC3016_TEXT,
+ add_bool( SOUT_CFG_PREFIX "mp4a-latm", false, RFC3016_TEXT,
RFC3016_LONGTEXT, false )
set_callbacks( Open, Close )
+
+ add_submodule ()
+ set_shortname( N_("RTSP VoD" ) )
+ set_description( N_("RTSP VoD server") )
+ set_category( CAT_SOUT )
+ set_subcategory( SUBCAT_SOUT_VOD )
+ set_capability( "vod server", 10 )
+ set_callbacks( OpenVoD, CloseVoD )
+ add_shortcut( "rtsp" )
+ add_integer( "rtsp-timeout", 60, RTSP_TIMEOUT_TEXT,
+ RTSP_TIMEOUT_LONGTEXT, true )
+ add_string( "sout-rtsp-user", "",
+ RTSP_USER_TEXT, RTSP_USER_LONGTEXT, true )
+ add_password( "sout-rtsp-pwd", "",
+ RTSP_PASS_TEXT, RTSP_PASS_LONGTEXT, true )
+
vlc_module_end ()
/*****************************************************************************
* Exported prototypes
*****************************************************************************/
static const char *const ppsz_sout_options[] = {
- "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
- "sap", "description", "url", "email", "phone",
- "proto", "rtcp-mux", "caching", "key", "salt",
+ "dst", "name", "cat", "port", "port-audio", "port-video", "*sdp", "ttl",
+ "mux", "sap", "description", "url", "email", "phone",
+ "proto", "rtcp-mux", "caching",
+#ifdef HAVE_SRTP
+ "key", "salt",
+#endif
"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 *,
+static sout_stream_id_sys_t *Add ( sout_stream_t *, es_format_t * );
+static int Del ( sout_stream_t *, sout_stream_id_sys_t * );
+static int Send( sout_stream_t *, sout_stream_id_sys_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 *,
+static sout_stream_id_sys_t *MuxAdd ( sout_stream_t *, es_format_t * );
+static int MuxDel ( sout_stream_t *, sout_stream_id_sys_t * );
+static int MuxSend( sout_stream_t *, sout_stream_id_sys_t *,
block_t* );
static sout_access_out_t *GrabberCreate( sout_stream_t *p_sout );
static int FileSetup( sout_stream_t *p_stream );
static int HttpSetup( sout_stream_t *p_stream, const vlc_url_t * );
+static int64_t rtp_init_ts( const vod_media_t *p_media,
+ const char *psz_vod_session );
+
struct sout_stream_sys_t
{
/* SDP */
/* */
char *psz_destination;
- uint32_t payload_bitmap;
uint16_t i_port;
uint16_t i_port_audio;
uint16_t i_port_video;
uint8_t proto;
bool rtcp_mux;
- int i_ttl:9;
bool b_latm;
+ /* VoD */
+ vod_media_t *p_vod_media;
+ char *psz_vod_session;
+
/* in case we do TS/PS over rtp */
sout_mux_t *p_mux;
sout_access_out_t *p_grab;
/* */
vlc_mutex_t lock_es;
int i_es;
- sout_stream_id_t **es;
+ sout_stream_id_sys_t **es;
};
-typedef int (*pf_rtp_packetizer_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
+struct sout_stream_id_sys_t
{
sout_stream_t *p_stream;
/* rtp field */
- uint16_t i_sequence;
- uint8_t i_payload_type;
+ /* For RFC 4175, seqnum is extended to 32-bits */
+ uint32_t i_sequence;
+ bool b_first_packet;
bool b_ts_init;
uint32_t i_ts_offset;
uint8_t ssrc[4];
uint16_t i_seq_sent_next;
/* for sdp */
- const char *psz_enc;
- char *psz_fmtp;
- int i_clock_rate;
+ rtp_format_t rtp_fmt;
int i_port;
- int i_cat;
- int i_channels;
- int i_bitrate;
/* Packetizer specific fields */
int i_mtu;
#ifdef HAVE_SRTP
srtp_session_t *srtp;
#endif
- pf_rtp_packetizer_t pf_packetize;
/* Packets sinks */
vlc_thread_t thread;
static int Open( vlc_object_t *p_this )
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
- sout_instance_t *p_sout = p_stream->p_sout;
sout_stream_sys_t *p_sys = NULL;
config_chain_t *p_cfg = NULL;
char *psz;
free (psz);
var_Create (p_this, "dccp-service", VLC_VAR_STRING);
- if( ( p_sys->psz_destination == NULL ) && !b_rtsp )
+ p_sys->p_vod_media = NULL;
+ p_sys->psz_vod_session = NULL;
+
+ if (! strcmp(p_stream->psz_name, "vod"))
+ {
+ /* The VLM stops all instances before deleting a media, so this
+ * reference will remain valid during the lifetime of the rtp
+ * stream output. */
+ p_sys->p_vod_media = var_InheritAddress(p_stream, "vod-media");
+
+ if (p_sys->p_vod_media != NULL)
+ {
+ p_sys->psz_vod_session = var_InheritString(p_stream, "vod-session");
+ if (p_sys->psz_vod_session == NULL)
+ {
+ msg_Err(p_stream, "missing VoD session");
+ free(p_sys);
+ return VLC_EGENERIC;
+ }
+
+ const char *mux = vod_get_mux(p_sys->p_vod_media);
+ var_SetString(p_stream, SOUT_CFG_PREFIX "mux", mux);
+ }
+ }
+
+ if( p_sys->psz_destination == NULL && !b_rtsp
+ && p_sys->p_vod_media == NULL )
{
msg_Err( p_stream, "missing destination and not in RTSP mode" );
free( p_sys );
return VLC_EGENERIC;
}
- p_sys->i_ttl = var_GetInteger( p_stream, SOUT_CFG_PREFIX "ttl" );
- if( p_sys->i_ttl == -1 )
+ int i_ttl = var_GetInteger( p_stream, SOUT_CFG_PREFIX "ttl" );
+ if( i_ttl != -1 )
{
- /* Normally, we should let the default hop limit up to the core,
- * but we have to know it to write our RTSP headers properly,
- * which is why we ask the core. FIXME: broken when neither
- * sout-rtp-ttl nor ttl are set. */
- p_sys->i_ttl = var_InheritInteger( p_stream, "ttl" );
+ var_Create( p_stream, "ttl", VLC_VAR_INTEGER );
+ var_SetInteger( p_stream, "ttl", i_ttl );
}
p_sys->b_latm = var_GetBool( p_stream, SOUT_CFG_PREFIX "mp4a-latm" );
/* NPT=0 time will be determined when we packetize the first packet
* (of any ES). But we want to be able to report rtptime in RTSP
- * without waiting. So until then, we use an arbitrary reference
- * PTS for timestamp computations, and then actual PTS will catch
- * up using offsets. */
+ * without waiting (and already did in the VoD case). So until then,
+ * we use an arbitrary reference PTS for timestamp computations, and
+ * then actual PTS will catch up using offsets. */
p_sys->i_npt_zero = VLC_TS_INVALID;
- p_sys->i_pts_zero = mdate(); /* arbitrary value, could probably be
- * random */
- p_sys->payload_bitmap = 0xFFFFFFFF;
+ p_sys->i_pts_zero = rtp_init_ts(p_sys->p_vod_media,
+ p_sys->psz_vod_session);
p_sys->i_es = 0;
p_sys->es = NULL;
p_sys->rtsp = NULL;
psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "mux" );
if( psz != NULL )
{
- sout_stream_id_t *id;
-
/* Check muxer type */
if( strncasecmp( psz, "ps", 2 )
&& strncasecmp( psz, "mpeg1", 5 )
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_ts );
vlc_mutex_destroy( &p_sys->lock_es );
+ free( p_sys->psz_vod_session );
free( p_sys->psz_destination );
free( p_sys );
return VLC_EGENERIC;
}
p_sys->p_grab = GrabberCreate( p_stream );
- p_sys->p_mux = sout_MuxNew( p_sout, psz, p_sys->p_grab );
+ p_sys->p_mux = sout_MuxNew( p_stream->p_sout, psz, p_sys->p_grab );
free( psz );
if( p_sys->p_mux == NULL )
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_ts );
vlc_mutex_destroy( &p_sys->lock_es );
- free( p_sys->psz_destination );
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- id = Add( p_stream, NULL );
- if( id == NULL )
- {
- sout_MuxDelete( p_sys->p_mux );
- sout_AccessOutDelete( p_sys->p_grab );
- vlc_mutex_destroy( &p_sys->lock_sdp );
- vlc_mutex_destroy( &p_sys->lock_es );
+ free( p_sys->psz_vod_session );
free( p_sys->psz_destination );
free( p_sys );
return VLC_EGENERIC;
p_stream->pf_del = Del;
p_stream->pf_send = Send;
}
+ p_stream->pace_nocontrol = true;
if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
SDPHandleUrl( p_stream, "sap" );
free( psz );
}
- /* update p_sout->i_out_pace_nocontrol */
- p_stream->p_sout->i_out_pace_nocontrol++;
+ if( p_sys->p_mux != NULL )
+ {
+ sout_stream_id_sys_t *id = Add( p_stream, NULL );
+ if( id == NULL )
+ {
+ Close( p_this );
+ return VLC_EGENERIC;
+ }
+ }
return VLC_SUCCESS;
}
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys = p_stream->p_sys;
- /* 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 );
+ assert( p_sys->i_es <= 1 );
sout_MuxDelete( p_sys->p_mux );
- Del( p_stream, p_sys->es[0] );
+ if ( p_sys->i_es > 0 )
+ Del( p_stream, p_sys->es[0] );
sout_AccessOutDelete( p_sys->p_grab );
if( p_sys->packet )
{
block_Release( p_sys->packet );
}
- if( p_sys->b_export_sap )
- {
- p_sys->p_mux = NULL;
- SapSetup( p_stream );
- }
}
if( p_sys->rtsp != NULL )
if( p_sys->psz_sdp_file != NULL )
{
-#ifdef HAVE_UNISTD_H
unlink( p_sys->psz_sdp_file );
-#endif
free( p_sys->psz_sdp_file );
}
+ free( p_sys->psz_vod_session );
free( p_sys->psz_destination );
free( p_sys );
}
goto out;
}
- /* 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" );
- else
- if( p_sys->p_mux != NULL )
+ if( url.psz_host != NULL && *url.psz_host )
{
- sout_stream_id_t *id = p_sys->es[0];
- id->rtsp_id = RtspAddId( p_sys->rtsp, id, GetDWBE( id->ssrc ),
- p_sys->psz_destination, p_sys->i_ttl,
- id->i_port, id->i_port + 1 );
+ msg_Warn( p_stream, "\"%s\" RTSP host might be ignored in "
+ "multiple-host configurations, use at your own risks.",
+ url.psz_host );
+ msg_Info( p_stream, "Consider passing --rtsp-host=IP on the "
+ "command line instead." );
+
+ var_Create( p_stream, "rtsp-host", VLC_VAR_STRING );
+ var_SetString( p_stream, "rtsp-host", url.psz_host );
+ }
+ if( url.i_port != 0 )
+ {
+ /* msg_Info( p_stream, "Consider passing --rtsp-port=%u on "
+ "the command line instead.", url.i_port ); */
+
+ var_Create( p_stream, "rtsp-port", VLC_VAR_INTEGER );
+ var_SetInteger( p_stream, "rtsp-port", url.i_port );
}
+
+ p_sys->rtsp = RtspSetup( VLC_OBJECT(p_stream), NULL, url.psz_path );
+ if( p_sys->rtsp == NULL )
+ msg_Err( p_stream, "cannot export SDP as RTSP" );
}
else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
int inclport;
vlc_mutex_lock( &p_sys->lock_es );
- if( unlikely(p_sys->i_es == 0) )
+ if( unlikely(p_sys->i_es == 0 || (rtsp_url != NULL && !p_sys->es[0]->rtsp_id)) )
goto out; /* hmm... */
if( p_sys->psz_destination != NULL )
for( i = 0; i < p_sys->i_es; i++ )
{
- sout_stream_id_t *id = p_sys->es[i];
+ sout_stream_id_sys_t *id = p_sys->es[i];
+ rtp_format_t *rtp_fmt = &id->rtp_fmt;
const char *mime_major; /* major MIME type */
- switch( id->i_cat )
+ switch( rtp_fmt->cat )
{
case VIDEO_ES:
mime_major = "video";
}
sdp_AddMedia( &psz_sdp, mime_major, proto, inclport * id->i_port,
- id->i_payload_type, false, id->i_bitrate,
- id->psz_enc, id->i_clock_rate, id->i_channels,
- id->psz_fmtp);
+ rtp_fmt->payload_type, false, rtp_fmt->bitrate,
+ rtp_fmt->ptname, rtp_fmt->clock_rate, rtp_fmt->channels,
+ rtp_fmt->fmtp);
- if( !p_sys->rtcp_mux && (id->i_port & 1) ) /* cf RFC4566 §5.14 */
+ /* cf RFC4566 §5.14 */
+ if( inclport && !p_sys->rtcp_mux && (id->i_port & 1) )
sdp_AddAttribute ( &psz_sdp, "rtcp", "%u", id->i_port + 1 );
if( rtsp_url != NULL )
sdp_AddAttribute( &psz_sdp, "setup", "passive" );
if( p_sys->proto == IPPROTO_DCCP )
sdp_AddAttribute( &psz_sdp, "dccp-service-code",
- "SC:RTP%c", toupper( mime_major[0] ) );
+ "SC:RTP%c",
+ toupper( (unsigned char)mime_major[0] ) );
}
}
out:
* RTP mux
*****************************************************************************/
-static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
-{
- static const char hex[16] = "0123456789abcdef";
- int i;
-
- for( i = 0; i < i_data; i++ )
- {
- s[2*i+0] = hex[(p_data[i]>>4)&0xf];
- s[2*i+1] = hex[(p_data[i] )&0xf];
- }
- s[2*i_data] = '\0';
-}
-
/**
* Shrink the MTU down to a fixed packetization time (for audio).
*/
static void
-rtp_set_ptime (sout_stream_id_t *id, unsigned ptime_ms, size_t bytes)
+rtp_set_ptime (sout_stream_id_sys_t *id, unsigned ptime_ms, size_t bytes)
{
/* Samples per second */
- size_t spl = (id->i_clock_rate - 1) * ptime_ms / 1000 + 1;
- bytes *= id->i_channels;
+ size_t spl = (id->rtp_fmt.clock_rate - 1) * ptime_ms / 1000 + 1;
+ bytes *= id->rtp_fmt.channels;
spl *= bytes;
if (spl < rtp_mtu (id)) /* MTU is big enough for ptime */
id->i_mtu = 12 + (((id->i_mtu - 12) / bytes) * bytes);
}
-uint32_t rtp_compute_ts( const sout_stream_id_t *id, int64_t i_pts )
+uint32_t rtp_compute_ts( unsigned i_clock_rate, int64_t i_pts )
{
- /* NOTE: this plays nice with offsets because the calculations are
- * linear. */
- return i_pts * (int64_t)id->i_clock_rate / CLOCK_FREQ;
+ /* This is an overflow-proof way of doing:
+ * return i_pts * (int64_t)i_clock_rate / CLOCK_FREQ;
+ *
+ * NOTE: this plays nice with offsets because the (equivalent)
+ * calculations are linear. */
+ lldiv_t q = lldiv(i_pts, CLOCK_FREQ);
+ return q.quot * (int64_t)i_clock_rate
+ + q.rem * (int64_t)i_clock_rate / CLOCK_FREQ;
}
/** Add an ES as a new RTP stream */
-static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
+static sout_stream_id_sys_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
{
/* 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;
char *psz_sdp;
- if (0 == p_sys->payload_bitmap)
- {
- msg_Err (p_stream, "too many RTP elementary streams");
- return NULL;
- }
-
- /* Choose the port */
- uint16_t 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;
- else
- if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
- i_port = p_sys->i_port_video;
-
- /* We do not need the ES lock (p_sys->lock_es) here, because this is the
- * only one thread that can *modify* the ES table. The ES lock protects
- * the other threads from our modifications (TAB_APPEND, TAB_REMOVE). */
- for (int i = 0; i_port && (i < p_sys->i_es); i++)
- if (i_port == p_sys->es[i]->i_port)
- i_port = 0; /* Port already in use! */
- for (uint16_t p = p_sys->i_port; i_port == 0; p += 2)
- {
- if (p == 0)
- {
- msg_Err (p_stream, "too many RTP elementary streams");
- return NULL;
- }
- i_port = p;
- for (int i = 0; i_port && (i < p_sys->i_es); i++)
- if (p == p_sys->es[i]->i_port)
- i_port = 0;
- }
-
- sout_stream_id_t *id = malloc( sizeof( *id ) );
+ sout_stream_id_sys_t *id = malloc( sizeof( *id ) );
if( unlikely(id == NULL) )
return NULL;
id->p_stream = p_stream;
- /* Look for free dymanic payload type */
- id->i_payload_type = 96 + clz32 (p_sys->payload_bitmap);
- assert (id->i_payload_type < 128);
-
- vlc_rand_bytes (&id->i_sequence, sizeof (id->i_sequence));
- vlc_rand_bytes (id->ssrc, sizeof (id->ssrc));
-
- id->i_seq_sent_next = id->i_sequence;
-
- id->psz_enc = NULL;
- id->psz_fmtp = NULL;
- id->i_clock_rate = 90000; /* most common case for video */
- id->i_channels = 0;
- id->i_port = i_port;
- if( p_fmt != NULL )
- {
- id->i_cat = p_fmt->i_cat;
- if( p_fmt->i_cat == AUDIO_ES )
- {
- id->i_clock_rate = p_fmt->audio.i_rate;
- id->i_channels = p_fmt->audio.i_channels;
- }
- id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
- }
- else
- {
- id->i_cat = VIDEO_ES;
- id->i_bitrate = 0;
- }
-
id->i_mtu = var_InheritInteger( p_stream, "mtu" );
if( id->i_mtu <= 12 + 16 )
id->i_mtu = 576 - 20 - 8; /* pessimistic */
msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
- id->pf_packetize = NULL;
-
#ifdef HAVE_SRTP
id->srtp = NULL;
#endif
id->p_fifo = NULL;
id->listen.fd = NULL;
+ id->b_first_packet = true;
id->i_caching =
(int64_t)1000 * var_GetInteger( p_stream, SOUT_CFG_PREFIX "caching");
+ vlc_rand_bytes (&id->i_sequence, sizeof (id->i_sequence));
+ vlc_rand_bytes (id->ssrc, sizeof (id->ssrc));
+
+ bool format = false;
+
+ if (p_sys->p_vod_media != NULL)
+ {
+ id->rtp_fmt.ptname = NULL;
+ uint32_t ssrc;
+ int val = vod_init_id(p_sys->p_vod_media, p_sys->psz_vod_session,
+ p_fmt ? p_fmt->i_id : 0, id, &id->rtp_fmt,
+ &ssrc, &id->i_seq_sent_next);
+ if (val == VLC_SUCCESS)
+ {
+ memcpy(id->ssrc, &ssrc, sizeof(id->ssrc));
+ /* This is ugly, but id->i_seq_sent_next needs to be
+ * initialized inside vod_init_id() to avoid race
+ * conditions. */
+ id->i_sequence = id->i_seq_sent_next;
+ }
+ /* vod_init_id() may fail either because the ES wasn't found in
+ * the VoD media, or because the RTSP session is gone. In the
+ * former case, id->rtp_fmt was left untouched. */
+ format = (id->rtp_fmt.ptname != NULL);
+ }
+
+ if (!format)
+ {
+ id->rtp_fmt.fmtp = NULL; /* don't free() garbage on error */
+ char *psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "mux" );
+ if (p_fmt == NULL && psz == NULL)
+ goto error;
+ int val = rtp_get_fmt(VLC_OBJECT(p_stream), p_fmt, psz, &id->rtp_fmt);
+ free( psz );
+ if (val != VLC_SUCCESS)
+ goto error;
+ }
+
#ifdef HAVE_SRTP
- char *key = var_CreateGetNonEmptyString (p_stream, SOUT_CFG_PREFIX"key");
+ char *key = var_GetNonEmptyString (p_stream, SOUT_CFG_PREFIX"key");
if (key)
{
+ vlc_gcrypt_init ();
id->srtp = srtp_create (SRTP_ENCR_AES_CM, SRTP_AUTH_HMAC_SHA1, 10,
SRTP_PRF_AES_CM, SRTP_RCC_MODE1);
if (id->srtp == NULL)
goto error;
}
- char *salt = var_CreateGetNonEmptyString (p_stream, SOUT_CFG_PREFIX"salt");
- errno = srtp_setkeystring (id->srtp, key, salt ? salt : "");
+ char *salt = var_GetNonEmptyString (p_stream, SOUT_CFG_PREFIX"salt");
+ int val = srtp_setkeystring (id->srtp, key, salt ? salt : "");
free (salt);
free (key);
- if (errno)
+ if (val)
{
- msg_Err (p_stream, "bad SRTP key/salt combination (%m)");
+ msg_Err (p_stream, "bad SRTP key/salt combination (%s)",
+ vlc_strerror_c(val));
goto error;
}
id->i_sequence = 0; /* FIXME: awful hack for libvlc_srtp */
}
#endif
+ id->i_seq_sent_next = id->i_sequence;
+
+ int mcast_fd = -1;
if( p_sys->psz_destination != NULL )
+ {
+ /* Choose the port */
+ uint16_t 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;
+ else
+ if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
+ i_port = p_sys->i_port_video;
+
+ /* We do not need the ES lock (p_sys->lock_es) here, because
+ * this is the only one thread that can *modify* the ES table.
+ * The ES lock protects the other threads from our modifications
+ * (TAB_APPEND, TAB_REMOVE). */
+ for (int i = 0; i_port && (i < p_sys->i_es); i++)
+ if (i_port == p_sys->es[i]->i_port)
+ i_port = 0; /* Port already in use! */
+ for (uint16_t p = p_sys->i_port; i_port == 0; p += 2)
+ {
+ if (p == 0)
+ {
+ msg_Err (p_stream, "too many RTP elementary streams");
+ goto error;
+ }
+ i_port = p;
+ for (int i = 0; i_port && (i < p_sys->i_es); i++)
+ if (p == p_sys->es[i]->i_port)
+ i_port = 0;
+ }
+
+ id->i_port = i_port;
+
+ int type = SOCK_STREAM;
+
switch( p_sys->proto )
{
+#ifdef SOCK_DCCP
case IPPROTO_DCCP:
{
const char *code;
- switch (id->i_cat)
+ switch (id->rtp_fmt.cat)
{
case VIDEO_ES: code = "RTPV"; break;
case AUDIO_ES: code = "RTPARTPV"; break;
default: code = "RTPORTPV"; break;
}
var_SetString (p_stream, "dccp-service", code);
+ type = SOCK_DCCP;
} /* fall through */
+#endif
case IPPROTO_TCP:
id->listen.fd = net_Listen( VLC_OBJECT(p_stream),
p_sys->psz_destination, i_port,
- p_sys->proto );
+ type, p_sys->proto );
if( id->listen.fd == NULL )
{
msg_Err( p_stream, "passive COMEDIA RTP socket failed" );
default:
{
- 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 );
+ i_port, -1, p_sys->proto );
if( fd == -1 )
{
msg_Err( p_stream, "cannot create RTP socket" );
setsockopt (fd, SOL_SOCKET, SO_RCVBUF, &(int){ 0 },
sizeof (int));
rtp_add_sink( id, fd, p_sys->rtcp_mux, NULL );
+ /* FIXME: test if this is multicast */
+ mcast_fd = fd;
}
}
-
- if( p_fmt == NULL )
- {
- char *psz = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "mux" );
-
- if( psz == NULL ) /* Uho! */
- ;
- else
- if( strncmp( psz, "ts", 2 ) == 0 )
- {
- id->i_payload_type = 33;
- id->psz_enc = "MP2T";
- }
- else
- {
- id->psz_enc = "MP2P";
- }
- free( psz );
}
- else
+
+ if( p_fmt != NULL )
switch( p_fmt->i_codec )
{
case VLC_CODEC_MULAW:
- if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 8000 )
- id->i_payload_type = 0;
- id->psz_enc = "PCMU";
- id->pf_packetize = rtp_packetize_split;
- rtp_set_ptime (id, 20, 1);
- break;
case VLC_CODEC_ALAW:
- if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 8000 )
- id->i_payload_type = 8;
- id->psz_enc = "PCMA";
- id->pf_packetize = rtp_packetize_split;
+ case VLC_CODEC_U8:
rtp_set_ptime (id, 20, 1);
break;
case VLC_CODEC_S16B:
case VLC_CODEC_S16L:
- if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
- {
- id->i_payload_type = 11;
- }
- else if( p_fmt->audio.i_channels == 2 &&
- p_fmt->audio.i_rate == 44100 )
- {
- id->i_payload_type = 10;
- }
- id->psz_enc = "L16";
- if( p_fmt->i_codec == VLC_CODEC_S16B )
- id->pf_packetize = rtp_packetize_split;
- else
- id->pf_packetize = rtp_packetize_swab;
rtp_set_ptime (id, 20, 2);
break;
- case VLC_CODEC_U8:
- id->psz_enc = "L8";
- id->pf_packetize = rtp_packetize_split;
- rtp_set_ptime (id, 20, 1);
- break;
- case VLC_CODEC_MPGA:
- id->i_payload_type = 14;
- id->psz_enc = "MPA";
- id->i_clock_rate = 90000; /* not 44100 */
- id->pf_packetize = rtp_packetize_mpa;
- break;
- case VLC_CODEC_MPGV:
- id->i_payload_type = 32;
- id->psz_enc = "MPV";
- id->pf_packetize = rtp_packetize_mpv;
- break;
- case VLC_CODEC_ADPCM_G726:
- switch( p_fmt->i_bitrate / 1000 )
- {
- case 16:
- id->psz_enc = "G726-16";
- id->pf_packetize = rtp_packetize_g726_16;
- break;
- case 24:
- id->psz_enc = "G726-24";
- id->pf_packetize = rtp_packetize_g726_24;
- break;
- case 32:
- id->psz_enc = "G726-32";
- id->pf_packetize = rtp_packetize_g726_32;
- break;
- case 40:
- id->psz_enc = "G726-40";
- id->pf_packetize = rtp_packetize_g726_40;
- break;
- default:
- msg_Err( p_stream, "cannot add this stream (unsupported "
- "G.726 bit rate: %u)", p_fmt->i_bitrate );
- goto error;
- }
- break;
- case VLC_CODEC_A52:
- id->psz_enc = "ac3";
- id->pf_packetize = rtp_packetize_ac3;
- break;
- case VLC_CODEC_H263:
- id->psz_enc = "H263-1998";
- id->pf_packetize = rtp_packetize_h263;
- break;
- case VLC_CODEC_H264:
- id->psz_enc = "H264";
- id->pf_packetize = rtp_packetize_h264;
- id->psz_fmtp = NULL;
-
- if( p_fmt->i_extra > 0 )
- {
- uint8_t *p_buffer = p_fmt->p_extra;
- int i_buffer = p_fmt->i_extra;
- char *p_64_sps = NULL;
- char *p_64_pps = NULL;
- char hexa[6+1];
-
- while( i_buffer > 4 &&
- p_buffer[0] == 0 && p_buffer[1] == 0 &&
- p_buffer[2] == 0 && p_buffer[3] == 1 )
- {
- const int i_nal_type = p_buffer[4]&0x1f;
- int i_offset;
- int i_size = 0;
-
- msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
-
- i_size = i_buffer;
- for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
- {
- if( !memcmp (p_buffer + i_offset, "\x00\x00\x00\x01", 4 ) )
- {
- /* we found another startcode */
- i_size = i_offset;
- break;
- }
- }
- if( i_nal_type == 7 )
- {
- p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
- sprintf_hexa( hexa, &p_buffer[5], 3 );
- }
- else if( i_nal_type == 8 )
- {
- p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
- }
- i_buffer -= i_size;
- p_buffer += i_size;
- }
- /* */
- if( p_64_sps && p_64_pps &&
- ( 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" );
+ case VLC_CODEC_S24B:
+ rtp_set_ptime (id, 20, 3);
break;
-
- case VLC_CODEC_MP4V:
- {
- id->psz_enc = "MP4V-ES";
- id->pf_packetize = rtp_packetize_split;
- if( p_fmt->i_extra > 0 )
- {
- char hexa[2*p_fmt->i_extra +1];
- sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
- if( asprintf( &id->psz_fmtp,
- "profile-level-id=3; config=%s;", hexa ) == -1 )
- id->psz_fmtp = NULL;
- }
- break;
- }
- case VLC_CODEC_MP4A:
- {
- if(!p_sys->b_latm)
- {
- char hexa[2*p_fmt->i_extra +1];
-
- id->psz_enc = "mpeg4-generic";
- id->pf_packetize = rtp_packetize_mp4a;
- sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
- 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
- {
- char hexa[13];
- int i;
- unsigned char config[6];
- unsigned int aacsrates[15] = {
- 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
- 16000, 12000, 11025, 8000, 7350, 0, 0 };
-
- for( i = 0; i < 15; i++ )
- if( p_fmt->audio.i_rate == aacsrates[i] )
- break;
-
- config[0]=0x40;
- config[1]=0;
- config[2]=0x20|i;
- config[3]=p_fmt->audio.i_channels<<4;
- config[4]=0x3f;
- config[5]=0xc0;
-
- id->psz_enc = "MP4A-LATM";
- id->pf_packetize = rtp_packetize_mp4a_latm;
- sprintf_hexa( hexa, config, 6 );
- if( asprintf( &id->psz_fmtp, "profile-level-id=15; "
- "object=2; cpresent=0; config=%s", hexa ) == -1 )
- id->psz_fmtp = NULL;
- }
- break;
- }
- case VLC_CODEC_AMR_NB:
- id->psz_enc = "AMR";
- id->psz_fmtp = strdup( "octet-align=1" );
- id->pf_packetize = rtp_packetize_amr;
- break;
- case VLC_CODEC_AMR_WB:
- id->psz_enc = "AMR-WB";
- id->psz_fmtp = strdup( "octet-align=1" );
- id->pf_packetize = rtp_packetize_amr;
- break;
- case VLC_CODEC_SPEEX:
- id->psz_enc = "SPEEX";
- id->pf_packetize = rtp_packetize_spx;
- break;
- case VLC_CODEC_ITU_T140:
- id->psz_enc = "t140" ;
- id->i_clock_rate = 1000;
- id->pf_packetize = rtp_packetize_t140;
- break;
-
default:
- msg_Err( p_stream, "cannot add this stream (unsupported "
- "codec: %4.4s)", (char*)&p_fmt->i_codec );
- goto error;
+ break;
}
- if (id->i_payload_type >= 96)
- /* Mark dynamic payload type in use */
- p_sys->payload_bitmap &= ~(1 << (127 - id->i_payload_type));
#if 0 /* No payload formats sets this at the moment */
int cscov = -1;
id->b_ts_init = ( p_sys->i_npt_zero != VLC_TS_INVALID );
vlc_mutex_unlock( &p_sys->lock_ts );
if( id->b_ts_init )
- id->i_ts_offset = rtp_compute_ts( id, p_sys->i_pts_offset );
+ id->i_ts_offset = rtp_compute_ts( id->rtp_fmt.clock_rate,
+ p_sys->i_pts_offset );
if( p_sys->rtsp != NULL )
- id->rtsp_id = RtspAddId( p_sys->rtsp, id,
- GetDWBE( id->ssrc ),
- p_sys->psz_destination,
- p_sys->i_ttl, id->i_port, id->i_port + 1 );
+ id->rtsp_id = RtspAddId( p_sys->rtsp, id, GetDWBE( id->ssrc ),
+ id->rtp_fmt.clock_rate, mcast_fd );
id->p_fifo = block_FifoNew();
if( unlikely(id->p_fifo == NULL) )
return NULL;
}
-static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
+static int Del( sout_stream_t *p_stream, sout_stream_id_sys_t *id )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
block_FifoRelease( id->p_fifo );
}
- /* Release dynamic payload type */
- if (id->i_payload_type >= 96)
- p_sys->payload_bitmap |= 1 << (127 - id->i_payload_type);
-
- free( id->psz_fmtp );
+ free( id->rtp_fmt.fmtp );
+ if (p_sys->p_vod_media != NULL)
+ vod_detach_id(p_sys->p_vod_media, p_sys->psz_vod_session, id);
if( id->rtsp_id )
RtspDelId( p_sys->rtsp, id->rtsp_id );
if( id->listen.fd != NULL )
vlc_mutex_destroy( &id->lock_sink );
/* Update SDP (sap/file) */
- if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
+ if( p_sys->b_export_sap ) SapSetup( p_stream );
if( p_sys->psz_sdp_file != NULL ) FileSetup( p_stream );
free( id );
return VLC_SUCCESS;
}
-static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
+static int Send( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
block_t *p_buffer )
{
- block_t *p_next;
-
assert( p_stream->p_sys->p_mux == NULL );
(void)p_stream;
while( p_buffer != NULL )
{
- p_next = p_buffer->p_next;
- if( id->pf_packetize( id, p_buffer ) )
+ block_t *p_next = p_buffer->p_next;
+ p_buffer->p_next = NULL;
+
+ /* Send a Vorbis/Theora Packed Configuration packet (RFC 5215 §3.1)
+ * as the first packet of the stream */
+ if (id->b_first_packet)
+ {
+ id->b_first_packet = false;
+ if (!strcmp(id->rtp_fmt.ptname, "vorbis") ||
+ !strcmp(id->rtp_fmt.ptname, "theora"))
+ rtp_packetize_xiph_config(id, id->rtp_fmt.fmtp,
+ p_buffer->i_pts);
+ }
+
+ if( id->rtp_fmt.pf_packetize( id, p_buffer ) )
break;
- block_Release( p_buffer );
p_buffer = p_next;
}
return VLC_SUCCESS;
static int SapSetup( sout_stream_t *p_stream )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
- sout_instance_t *p_sout = p_stream->p_sout;
/* Remove the previous session */
if( p_sys->p_session != NULL)
{
- sout_AnnounceUnRegister( p_sout, p_sys->p_session);
+ sout_AnnounceUnRegister( p_stream, p_sys->p_session);
p_sys->p_session = NULL;
}
- if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
- {
- announce_method_t *p_method = sout_SAPMethod();
- p_sys->p_session = sout_AnnounceRegisterSDP( p_sout,
+ if( p_sys->i_es > 0 && p_sys->psz_sdp && *p_sys->psz_sdp )
+ p_sys->p_session = sout_AnnounceRegisterSDP( p_stream,
p_sys->psz_sdp,
- p_sys->psz_destination,
- p_method );
- sout_MethodRelease( p_method );
- }
+ p_sys->psz_destination );
return VLC_SUCCESS;
}
if( ( f = vlc_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
{
- msg_Err( p_stream, "cannot open file '%s' (%m)",
- p_sys->psz_sdp_file );
+ msg_Err( p_stream, "cannot open file '%s' (%s)",
+ p_sys->psz_sdp_file, vlc_strerror_c(errno) );
return VLC_EGENERIC;
}
{
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 = vlc_http_HostNew( VLC_OBJECT(p_stream) );
if( p_sys->p_httpd_host )
{
p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
url->psz_path ? url->psz_path : "/",
"application/sdp",
- NULL, NULL, NULL,
+ NULL, NULL,
HttpCallback, (void*)p_sys );
}
if( p_sys->p_httpd_file == NULL )
****************************************************************************/
static void* ThreadSend( void *data )
{
-#ifdef WIN32
-# define ECONNREFUSED WSAECONNREFUSED
-# define ENOPROTOOPT WSAENOPROTOOPT
-# define EHOSTUNREACH WSAEHOSTUNREACH
-# define ENETUNREACH WSAENETUNREACH
-# define ENETDOWN WSAENETDOWN
+#ifdef _WIN32
# define ENOBUFS WSAENOBUFS
# define EAGAIN WSAEWOULDBLOCK
# define EWOULDBLOCK WSAEWOULDBLOCK
#endif
- sout_stream_id_t *id = data;
+ sout_stream_id_sys_t *id = data;
unsigned i_caching = id->i_caching;
for (;;)
vlc_restorecancel (canc);
if( val )
{
- errno = val;
- msg_Dbg( id->p_stream, "SRTP sending error: %m" );
+ msg_Dbg( id->p_stream, "SRTP sending error: %s",
+ vlc_strerror_c(val) );
block_Release( out );
out = NULL;
}
out->i_buffer = len;
}
if (out)
-#endif
mwait (out->i_dts + i_caching);
vlc_cleanup_pop ();
if (out == NULL)
continue;
+#else
+ mwait (out->i_dts + i_caching);
+ vlc_cleanup_pop ();
+#endif
ssize_t len = out->i_buffer;
int canc = vlc_savecancel ();
#endif
SendRTCP( id->sinkv[i].rtcp, out );
- if( send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 ) >= 0 )
- continue;
- switch( net_errno )
+ if( send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 ) == -1
+ && net_errno != EAGAIN && net_errno != EWOULDBLOCK
+ && net_errno != ENOBUFS && net_errno != ENOMEM )
{
- /* Soft errors (e.g. ICMP): */
- case ECONNREFUSED: /* Port unreachable */
- case ENOPROTOOPT:
-#ifdef EPROTO
- case EPROTO: /* Protocol unreachable */
-#endif
- case EHOSTUNREACH: /* Host unreachable */
- case ENETUNREACH: /* Network unreachable */
- case ENETDOWN: /* Entire network down */
+ int type;
+ getsockopt( id->sinkv[i].rtp_fd, SOL_SOCKET, SO_TYPE,
+ &type, &(socklen_t){ sizeof(type) });
+ if( type == SOCK_DGRAM )
+ /* ICMP soft error: ignore and retry */
send( id->sinkv[i].rtp_fd, out->p_buffer, len, 0 );
- /* Transient congestion: */
- case ENOMEM: /* out of socket buffers */
- case ENOBUFS:
- case EAGAIN:
-#if (EAGAIN != EWOULDBLOCK)
- case EWOULDBLOCK:
-#endif
- continue;
+ else
+ /* Broken connection */
+ deadv[deadc++] = id->sinkv[i].rtp_fd;
}
-
- deadv[deadc++] = id->sinkv[i].rtp_fd;
}
id->i_seq_sent_next = ntohs(((uint16_t *) out->p_buffer)[1]) + 1;
vlc_mutex_unlock( &id->lock_sink );
/* This thread dequeues incoming connections (DCCP streaming) */
static void *rtp_listen_thread( void *data )
{
- sout_stream_id_t *id = data;
+ sout_stream_id_sys_t *id = data;
assert( id->listen.fd != NULL );
}
-int rtp_add_sink( sout_stream_id_t *id, int fd, bool rtcp_mux, uint16_t *seq )
+int rtp_add_sink( sout_stream_id_sys_t *id, int fd, bool rtcp_mux, uint16_t *seq )
{
rtp_sink_t sink = { fd, NULL };
sink.rtcp = OpenRTCP( VLC_OBJECT( id->p_stream ), fd, IPPROTO_UDP,
return VLC_SUCCESS;
}
-void rtp_del_sink( sout_stream_id_t *id, int fd )
+void rtp_del_sink( sout_stream_id_sys_t *id, int fd )
{
rtp_sink_t sink = { fd, NULL };
net_Close( sink.rtp_fd );
}
-uint16_t rtp_get_seq( sout_stream_id_t *id )
+uint16_t rtp_get_seq( sout_stream_id_sys_t *id )
{
/* This will return values for the next packet. */
uint16_t seq;
return seq;
}
+/* Return an arbitrary initial timestamp for RTP timestamp computations.
+ * RFC 3550 states that the resulting initial RTP timestamps SHOULD be
+ * random (although we use the same reference for all the ES as a
+ * feature). In the VoD case, this function is called independently
+ * from several parts of the code, so we need to always return the same
+ * value. */
+static int64_t rtp_init_ts( const vod_media_t *p_media,
+ const char *psz_vod_session )
+{
+ if (p_media == NULL || psz_vod_session == NULL)
+ return mdate();
+
+ uint64_t i_ts_init;
+ /* As per RFC 2326, session identifiers are at least 8 bytes long */
+ strncpy((char *)&i_ts_init, psz_vod_session, sizeof(uint64_t));
+ i_ts_init ^= (uintptr_t)p_media;
+ /* Limit the timestamp to 48 bits, this is enough and allows us
+ * to stay away from overflows */
+ i_ts_init &= 0xFFFFFFFFFFFF;
+ return i_ts_init;
+}
+
/* Return a timestamp corresponding to packets being sent now, and that
- * can be passed to rtp_compute_ts() to get rtptime values for each ES. */
-int64_t rtp_get_ts( const sout_stream_t *p_stream )
+ * can be passed to rtp_compute_ts() to get rtptime values for each ES.
+ * Also return the NPT corresponding to this timestamp. If the stream
+ * output is not started, the initial timestamp that will be used with
+ * the first packets for NPT=0 is returned instead. */
+int64_t rtp_get_ts( const sout_stream_t *p_stream, const sout_stream_id_sys_t *id,
+ const vod_media_t *p_media, const char *psz_vod_session,
+ int64_t *p_npt )
{
+ if (p_npt != NULL)
+ *p_npt = 0;
+
+ if (id != NULL)
+ p_stream = id->p_stream;
+
+ if (p_stream == NULL)
+ return rtp_init_ts(p_media, psz_vod_session);
+
sout_stream_sys_t *p_sys = p_stream->p_sys;
mtime_t i_npt_zero;
vlc_mutex_lock( &p_sys->lock_ts );
if( now < i_npt_zero )
return p_sys->i_pts_zero;
- return p_sys->i_pts_zero + (now - i_npt_zero);
+ int64_t npt = now - i_npt_zero;
+ if (p_npt != NULL)
+ *p_npt = npt;
+
+ return p_sys->i_pts_zero + npt;
}
-void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
+void rtp_packetize_common( sout_stream_id_sys_t *id, block_t *out,
int b_marker, int64_t i_pts )
{
if( !id->b_ts_init )
/* And in any case this is the first packet of this ES, so we
* initialize the offset for this ES. */
- id->i_ts_offset = rtp_compute_ts( id, p_sys->i_pts_offset );
+ id->i_ts_offset = rtp_compute_ts( id->rtp_fmt.clock_rate,
+ p_sys->i_pts_offset );
id->b_ts_init = true;
}
- uint32_t i_timestamp = rtp_compute_ts( id, i_pts ) + id->i_ts_offset;
+ uint32_t i_timestamp = rtp_compute_ts( id->rtp_fmt.clock_rate, i_pts )
+ + id->i_ts_offset;
out->p_buffer[0] = 0x80;
- out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
+ out->p_buffer[1] = (b_marker?0x80:0x00)|id->rtp_fmt.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;
memcpy( out->p_buffer + 8, id->ssrc, 4 );
- out->i_buffer = 12;
id->i_sequence++;
}
-void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
+uint16_t rtp_get_extended_sequence( sout_stream_id_sys_t *id )
+{
+ return id->i_sequence >> 16;
+}
+
+void rtp_packetize_send( sout_stream_id_sys_t *id, block_t *out )
{
block_FifoPut( id->p_fifo, out );
}
* @return configured max RTP payload size (including payload type-specific
* headers, excluding RTP and transport headers)
*/
-size_t rtp_mtu (const sout_stream_id_t *id)
+size_t rtp_mtu (const sout_stream_id_sys_t *id)
{
return id->i_mtu - 12;
}
*****************************************************************************/
/** 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 )
+static sout_stream_id_sys_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;
return NULL;
}
- return (sout_stream_id_t *)p_input;
+ return (sout_stream_id_sys_t *)p_input;
}
-static int MuxSend( sout_stream_t *p_stream, sout_stream_id_t *id,
+static int MuxSend( sout_stream_t *p_stream, sout_stream_id_sys_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;
+ return sout_MuxSendBuffer( p_mux, (sout_input_t *)id, p_buffer );
}
/** Remove an ES from a non-RTP muxed stream */
-static int MuxDel( sout_stream_t *p_stream, sout_stream_id_t *id )
+static int MuxDel( sout_stream_t *p_stream, sout_stream_id_sys_t *id )
{
sout_mux_t *p_mux = p_stream->p_sys->p_mux;
assert( p_mux != NULL );
const block_t *p_buffer )
{
sout_stream_sys_t *p_sys = p_stream->p_sys;
- sout_stream_id_t *id = p_sys->es[0];
+ sout_stream_id_sys_t *id = p_sys->es[0];
int64_t i_dts = p_buffer->i_dts;
if( p_sys->packet == NULL )
{
/* allocate a new packet */
- p_sys->packet = block_New( p_stream, id->i_mtu );
+ p_sys->packet = block_Alloc( 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;
{
sout_access_out_t *p_grab;
- p_grab = vlc_object_create( p_stream->p_sout, sizeof( *p_grab ) );
+ p_grab = vlc_object_create( p_stream, sizeof( *p_grab ) );
if( p_grab == NULL )
return NULL;
p_grab->p_sys = (sout_access_out_sys_t *)p_stream;
p_grab->pf_seek = NULL;
p_grab->pf_write = AccessOutGrabberWrite;
- vlc_object_attach( p_grab, p_stream );
return p_grab;
}
+
+void rtp_get_video_geometry( sout_stream_id_sys_t *id, int *width, int *height )
+{
+ int ret = sscanf( id->rtp_fmt.fmtp, "%*s width=%d; height=%d; ", width, height );
+ assert( ret == 2 );
+}