sap.c File Reference

Include dependency graph for sap.c:


Data Structures

struct  sdp_media_t
struct  sdp_t
struct  attribute_t
struct  sap_announce_t
struct  services_discovery_sys_t
struct  demux_sys_t

Defines

#define MAX_LINE_LENGTH   256
#define SAP_PORT   9875
#define SAP_V4_GLOBAL_ADDRESS   "224.2.127.254"
#define SAP_V4_ORG_ADDRESS   "239.195.255.255"
#define SAP_V4_LOCAL_ADDRESS   "239.255.255.255"
#define SAP_V4_LINK_ADDRESS   "224.0.0.255"
#define ADD_SESSION   1
#define SAP_ADDR_TEXT   N_( "SAP multicast address" )
#define SAP_ADDR_LONGTEXT
#define SAP_IPV4_TEXT   N_( "IPv4 SAP" )
#define SAP_IPV4_LONGTEXT
#define SAP_IPV6_TEXT   N_( "IPv6 SAP" )
#define SAP_IPV6_LONGTEXT
#define SAP_SCOPE_TEXT   N_( "IPv6 SAP scope" )
#define SAP_SCOPE_LONGTEXT
#define SAP_TIMEOUT_TEXT   N_( "SAP timeout (seconds)" )
#define SAP_TIMEOUT_LONGTEXT
#define SAP_PARSE_TEXT   N_( "Try to parse the announce" )
#define SAP_PARSE_LONGTEXT
#define SAP_STRICT_TEXT   N_( "SAP Strict mode" )
#define SAP_STRICT_LONGTEXT
#define SAP_CACHE_TEXT   N_("Use SAP cache")
#define SAP_CACHE_LONGTEXT
#define MAX_SAP_BUFFER   5000

Typedefs

typedef struct sdp_t sdp_t
typedef struct attribute_t attribute_t
typedef struct sap_announce_t sap_announce_t

Functions

static int Open (vlc_object_t *)
 Probes and initializes.
static void Close (vlc_object_t *)
 Releases resources.
static int OpenDemux (vlc_object_t *)
 It opens an imem access_demux.
static void CloseDemux (vlc_object_t *)
 It closes an imem access_demux.
static int vlc_sd_probe_Open (vlc_object_t *obj)
int vlc_entry__main (module_t *p_module)
const char * vlc_entry_license__main (void)
static int Demux (demux_t *p_demux)
static int Control (demux_t *, int, va_list)
static void * Run (void *p_sd)
static int ParseConnection (vlc_object_t *p_obj, sdp_t *p_sdp)
static int ParseSAP (services_discovery_t *p_sd, const uint8_t *p_buffer, size_t i_read)
static sdp_t * ParseSDP (vlc_object_t *p_sd, const char *psz_sdp)
static sap_announce_t * CreateAnnounce (services_discovery_t *, uint16_t, sdp_t *)
static int RemoveAnnounce (services_discovery_t *p_sd, sap_announce_t *p_announce)
static attribute_t * MakeAttribute (const char *str)
static const char * GetAttribute (attribute_t **tab, unsigned n, const char *name)
static void FreeAttribute (attribute_t *a)
static const char * FindAttribute (const sdp_t *sdp, unsigned media, const char *name)
static bool IsSameSession (sdp_t *p_sdp1, sdp_t *p_sdp2)
static int InitSocket (services_discovery_t *p_sd, const char *psz_address, int i_port)
static int Decompress (const unsigned char *psz_src, unsigned char **_dst, int i_len)
static void FreeSDP (sdp_t *p_sdp)
static int min_int (int a, int b)
static bool IsWellKnownPayload (int type)
static int ParseSDPConnection (const char *str, struct sockaddr_storage *addr, socklen_t *addrlen, unsigned *number)

Define Documentation

#define ADD_SESSION   1

#define MAX_LINE_LENGTH   256

#define MAX_SAP_BUFFER   5000

Referenced by Run().

#define SAP_ADDR_LONGTEXT

Value:

N_( "The SAP module normally chooses itself the " \
                              "right addresses to listen to. However, you " \
                              "can specify a specific address." )

#define SAP_ADDR_TEXT   N_( "SAP multicast address" )

#define SAP_CACHE_LONGTEXT

Value:

N_( \
       "This enables a SAP caching mechanism. " \
       "This will result in lower SAP startup time, but you could end up " \
       "with items corresponding to legacy streams." )

#define SAP_CACHE_TEXT   N_("Use SAP cache")

#define SAP_IPV4_LONGTEXT

Value:

N_( \
      "Listen to IPv4 announcements on the standard addresses." )

#define SAP_IPV4_TEXT   N_( "IPv4 SAP" )

#define SAP_IPV6_LONGTEXT

Value:

N_( \
      "Listen to IPv6 announcements on the standard addresses." )

#define SAP_IPV6_TEXT   N_( "IPv6 SAP" )

#define SAP_PARSE_LONGTEXT

Value:

N_( \
       "This enables actual parsing of the announces by the SAP module. " \
       "Otherwise, all announcements are parsed by the \"live555\" " \
       "(RTP/RTSP) module." )

#define SAP_PARSE_TEXT   N_( "Try to parse the announce" )

#define SAP_PORT   9875

Referenced by Run().

#define SAP_SCOPE_LONGTEXT

Value:

N_( \
       "Scope for IPv6 announcements (default is 8)." )

#define SAP_SCOPE_TEXT   N_( "IPv6 SAP scope" )

#define SAP_STRICT_LONGTEXT

Value:

N_( \
       "When this is set, the SAP parser will discard some non-compliant " \
       "announcements." )

#define SAP_STRICT_TEXT   N_( "SAP Strict mode" )

#define SAP_TIMEOUT_LONGTEXT

Value:

N_( \
       "Delay after which SAP items get deleted if no new announcement " \
       "is received." )

#define SAP_TIMEOUT_TEXT   N_( "SAP timeout (seconds)" )

#define SAP_V4_GLOBAL_ADDRESS   "224.2.127.254"

Referenced by Run().

#define SAP_V4_LINK_ADDRESS   "224.0.0.255"

Referenced by Run().

#define SAP_V4_LOCAL_ADDRESS   "239.255.255.255"

Referenced by Run().

#define SAP_V4_ORG_ADDRESS   "239.195.255.255"

Referenced by Run().

Typedef Documentation

typedef struct attribute_t attribute_t

typedef struct sap_announce_t sap_announce_t

typedef struct sdp_t sdp_t

Function Documentation

static void Close ( vlc_object_t *  p_this  )  [static]

Releases resources.

Close the module.

Destroys the X11 window.

Disconnect from the X server.

Close a SDL video output.

It destroys an OpenGL vout display.

Terminate a vout display created by Open.

It destroyes a Direct3D vout display.

Terminate an output method created by Open.

Release the drawable.

Close a libcaca video output.

Close a aa video output method.

Close the filter.

Terminate a splitter module.

This function closes a clone video splitter module.

Common close function.

Releases allocate resources.

Close: Destructor.

Parameters:
p_this pointer to this filter object
p_this,: the filter object

static void CloseDemux ( vlc_object_t *  p_this  )  [static]

It closes an imem access_demux.

References msg_Dbg, and demux_t::p_sys.

static int Control ( demux_t *  p_demux,
int  i_query,
va_list  args 
) [static]

References VLC_EGENERIC, and VLC_UNUSED.

sap_announce_t * CreateAnnounce ( services_discovery_t *  p_sd,
uint16_t  i_hash,
sdp_t *  p_sdp 
) [static]

References _, asprintf(), FindAttribute(), GetAttribute(), services_discovery_sys_t::i_announces, sdp_t::i_attributes, sap_announce_t::i_hash, sap_announce_t::i_last, sap_announce_t::i_period, sap_announce_t::i_period_trust, input_item_AddInfo(), input_item_AddOption(), input_item_NewWithType(), ITEM_TYPE_NET, mdate(), sdp_t::mediac, sap_announce_t::p_item, sap_announce_t::p_sdp, services_discovery_t::p_sys, services_discovery_sys_t::pp_announces, sdp_t::pp_attributes, sdp_t::psz_sessionname, sdp_t::psz_uri, psz_value, sdp_t::rtcp_port, services_discovery_AddItem(), TAB_APPEND, sdp_t::username, VLC_INPUT_OPTION_TRUSTED, and VLC_OBJECT.

Referenced by ParseSAP().

static int Decompress ( const unsigned char *  psz_src,
unsigned char **  _dst,
int  i_len 
) [static]

Referenced by ParseSAP().

static int Demux ( demux_t *  p_demux  )  [static]

References asprintf(), demux_GetParentInput(), input_item_t::i_type, input_GetItem(), input_item_AddOption(), input_item_SetName(), input_item_SetURI(), ITEM_TYPE_NET, input_item_t::lock, msg_Err, demux_sys_t::p_sdp, demux_t::p_sys, sdp_t::psz_sessionname, sdp_t::psz_uri, sdp_t::rtcp_port, VLC_EGENERIC, VLC_INPUT_OPTION_TRUSTED, vlc_mutex_lock(), vlc_mutex_unlock(), vlc_object_release, and VLC_SUCCESS.

static const char * FindAttribute ( const sdp_t *  sdp,
unsigned  media,
const char *  name 
) [static]

References GetAttribute(), sdp_t::i_attributes, sdp_media_t::i_attributes, sdp_t::mediav, sdp_t::pp_attributes, and sdp_media_t::pp_attributes.

Referenced by CreateAnnounce(), and ParseConnection().

static void FreeAttribute ( attribute_t *  a  )  [inline, static]

Referenced by FreeSDP().

static void FreeSDP ( sdp_t *  p_sdp  )  [static]

References sdp_media_t::fmt, FreeAttribute(), sdp_t::i_attributes, sdp_media_t::i_attributes, sdp_t::mediac, sdp_t::mediav, sdp_t::pp_attributes, sdp_media_t::pp_attributes, sdp_t::psz_sessionname, and sdp_t::psz_uri.

Referenced by CloseDemux(), OpenDemux(), ParseSAP(), ParseSDP(), and RemoveAnnounce().

static const char * GetAttribute ( attribute_t **  tab,
unsigned  n,
const char *  name 
) [static]

References strcasecmp(), and attribute_t::value.

Referenced by CreateAnnounce(), and FindAttribute().

static int InitSocket ( services_discovery_t *  p_sd,
const char *  psz_address,
int  i_port 
) [static]

References INSERT_ELEM, net_ListenUDP1(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by Run().

static bool IsSameSession ( sdp_t *  p_sdp1,
sdp_t *  p_sdp2 
) [static]

References sdp_t::orig_host, sdp_t::orig_ip_version, sdp_t::session_id, and sdp_t::username.

Referenced by ParseSAP().

static bool IsWellKnownPayload ( int  type  )  [static]

Referenced by OpenDemux(), and ParseSAP().

static attribute_t * MakeAttribute ( const char *  str  )  [inline, static]

References a, EnsureUTF8(), attribute_t::name, attribute_t::value, and value.

Referenced by ParseSDP().

static int min_int ( int  a,
int  b 
) [inline, static]

Referenced by Run().

static int Open ( vlc_object_t *  p_this  )  [static]

Probes and initializes.

Status of this demuxer: Real Media format -----------------.

Basic chorus/flanger/delay audio filter This implements a variable delay filter for VLC.

Todo:

  • Improve CDDB support (non-blocking, cache, .

Open the module.

Create an X11 window.

Probe the X server.

This function initializes SDL vout method.

It creates an OpenGL vout display.

This function allocates and initialize the DirectX vout display.

It creates a Direct3D vout display.

This function allocates and initializes a FB vout method.

Find the drawable set by libvlc application.

This function initializes libcaca vout method.

This function allocates and initializes a aa vout method.

This function allocates and initializes a Wall splitter module.

Open the filter.

This function allocates and initializes a Clone splitter module.

Open: initialize and create stuff.

Connect to the sftp server and ask for a file.

Parameters:
p_this,: the vlc_object
Returns:
VLC_SUCCESS if everything was fine
Parameters:
p_this 
p_this,: the filter object
Returns:
VLC_SUCCESS or vlc error codes

Todo:
Reinstate meta codec name

static int OpenDemux ( vlc_object_t *  p_this  )  [static]

It opens an imem access_demux.

References CLOCK_FREQ, ControlPause(), date_Init(), date_Set(), Demux(), DemuxControl(), DemuxNoOp(), DemuxPause(), demux_sys_t::end, es_format_Init(), es_out_Add(), demux_sys_t::fmt, video_format_t::i_height, video_format_t::i_width, demux_sys_t::length, libvlc_Quit(), mdate(), msg_Dbg, msg_Err, msg_Info, demux_t::out, demux_sys_t::p_es, demux_t::p_libvlc, p_sys, demux_t::p_sys, demux_t::pf_control, demux_t::pf_demux, demux_t::psz_demux, psz_name, demux_t::psz_path, demux_sys_t::pts, strcasecmp(), strncasecmp(), us_atof(), es_format_t::video, VIDEO_ES, VLC_EGENERIC, VLC_ENOMEM, VLC_FOURCC, and VLC_SUCCESS.

static int ParseConnection ( vlc_object_t *  p_obj,
sdp_t *  p_sdp 
) [static]

References sdp_media_t::addr, sdp_media_t::addrlen, asprintf(), FindAttribute(), sdp_media_t::fmt, sdp_t::i_media_type, inet_ntop, inet_pton, sdp_t::mediac, sdp_t::mediav, msg_Dbg, sdp_media_t::n_addr, sdp_t::psz_uri, sdp_t::rtcp_port, strcasecmp(), strdup(), VLC_EGENERIC, VLC_ENOMEM, vlc_getnameinfo(), and VLC_SUCCESS.

Referenced by OpenDemux(), and ParseSAP().

static int ParseSAP ( services_discovery_t *  p_sd,
const uint8_t *  p_buffer,
size_t  i_read 
) [static]

References asprintf(), services_discovery_sys_t::b_parse, services_discovery_sys_t::b_strict, CreateAnnounce(), Decompress(), FREENULL, FreeSDP(), services_discovery_sys_t::i_announces, sap_announce_t::i_last, sdp_t::i_media_type, sap_announce_t::i_period, sap_announce_t::i_period_trust, IsSameSession(), IsWellKnownPayload(), mdate(), msg_Dbg, sap_announce_t::p_sdp, services_discovery_t::p_sys, ParseConnection(), ParseSDP(), services_discovery_sys_t::pp_announces, sdp_t::psz_sdp, sdp_t::psz_uri, U16_AT(), VLC_EGENERIC, VLC_OBJECT, and VLC_SUCCESS.

Referenced by Run().

static sdp_t * ParseSDP ( vlc_object_t *  p_sd,
const char *  psz_sdp 
) [static]

References sdp_media_t::addr, sdp_media_t::addrlen, EnsureUTF8(), sdp_media_t::fmt, FreeSDP(), sdp_media_t::i_attributes, sdp_t::i_attributes, gen_builder::line, MakeAttribute(), sdp_t::mediac, sdp_t::mediav, msg_Dbg, msg_Err, sdp_media_t::n_addr, net_SetPort(), sdp_t::orig_host, sdp_t::orig_ip_version, ParseSDPConnection(), sdp_media_t::pp_attributes, sdp_t::pp_attributes, sdp_t::psz_sessionname, sdp_t::session_id, sdp_t::session_version, strdup(), TAB_APPEND, and sdp_t::username.

Referenced by OpenDemux(), and ParseSAP().

static int ParseSDPConnection ( const char *  str,
struct sockaddr_storage *  addr,
socklen_t *  addrlen,
unsigned *  number 
) [static]

References inet_pton.

Referenced by ParseSDP().

static int RemoveAnnounce ( services_discovery_t *  p_sd,
sap_announce_t *  p_announce 
) [static]

References FreeSDP(), services_discovery_sys_t::i_announces, sap_announce_t::p_item, sap_announce_t::p_sdp, services_discovery_t::p_sys, services_discovery_sys_t::pp_announces, REMOVE_ELEM, services_discovery_RemoveItem(), vlc_gc_decref, and VLC_SUCCESS.

Referenced by Run().

static void * Run ( void *  p_sd  )  [static]

References pollfd::events, pollfd::fd, services_discovery_sys_t::i_announces, services_discovery_sys_t::i_fd, services_discovery_sys_t::i_timeout, InitSocket(), MAX_SAP_BUFFER, mdate(), min_int(), msg_Err, msg_Warn, net_Read, NI_MAXNUMERICHOST, services_discovery_t::p_sys, ParseSAP(), services_discovery_sys_t::pi_fd, poll, POLLIN, services_discovery_sys_t::pp_announces, RemoveAnnounce(), pollfd::revents, SAP_PORT, SAP_V4_GLOBAL_ADDRESS, SAP_V4_LINK_ADDRESS, SAP_V4_LOCAL_ADDRESS, SAP_V4_ORG_ADDRESS, var_CreateGetInteger, var_CreateGetString, vlc_restorecancel(), and vlc_savecancel().

int vlc_entry__main ( module_t *  p_module  ) 

const char* vlc_entry_license__main ( void   ) 

static int vlc_sd_probe_Open ( vlc_object_t *  obj  )  [static]

Generated on Tue May 25 08:05:37 2010 for VLC by  doxygen 1.5.6