GstNetClientClock

GstNetClientClock implements a custom GstClock that synchronizes its time to a remote time provider such as GstNetTimeProvider. GstNtpClock implements a GstClock that synchronizes its time to a remote NTPv4 server.

A new clock is created with gst_net_client_clock_new or gst_ntp_clock_new, which takes the address and port of the remote time provider along with a name and an initial time.

This clock will poll the time provider and will update its calibration parameters based on the local and remote observations.

The "round-trip" property limits the maximum round trip packets can take.

Various parameters of the clock can be configured with the parent GstClock "timeout", "window-size" and "window-threshold" object properties.

A GstNetClientClock and GstNtpClock is typically set on a GstPipeline with gst_pipeline_use_clock.

If you set a GstBus on the clock via the "bus" object property, it will send GST_MESSAGE_ELEMENT messages with an attached GstStructure containing statistics about clock accuracy and network traffic.

GstNetClientClock

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstClock
                ╰──GstSystemClock
                    ╰──GstNetClientClock
                        ╰──GstNtpClock

Opaque GstNetClientClock structure.

Members

clock (GstSystemClock) –
No description available

Class structure

GstNetClientClockClass

Fields
parent_class (GstSystemClockClass) –
No description available

GstNet.NetClientClockClass

Attributes
parent_class (Gst.SystemClockClass) –
No description available

GstNet.NetClientClockClass

Attributes
parent_class (Gst.SystemClockClass) –
No description available

GstNetClientClock

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstClock
                ╰──GstSystemClock
                    ╰──GstNetClientClock
                        ╰──GstNtpClock

Opaque GstNetClientClock structure.

Members

clock (GstSystemClock) –
No description available

GstNetClientClock

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstClock
                ╰──GstSystemClock
                    ╰──GstNetClientClock
                        ╰──GstNtpClock

Opaque GstNetClientClock structure.

Members

clock (GstSystemClock) –
No description available

Constructors

gst_net_client_clock_new

GstClock *
gst_net_client_clock_new (const gchar * name,
                          const gchar * remote_address,
                          gint remote_port,
                          GstClockTime base_time)

Create a new GstNetClientClock that will report the time provided by the GstNetTimeProvider on remote_address and remote_port.

Parameters:

name

a name for the clock

remote_address

the address or hostname of the remote clock provider

remote_port

the port of the remote clock provider

base_time

initial time of the clock

Returns ( [transfer: full] ) –

a new GstClock that receives a time from the remote clock.


GstNet.NetClientClock.prototype.new

function GstNet.NetClientClock.prototype.new(name: String, remote_address: String, remote_port: Number, base_time: Number): {
    // javascript wrapper for 'gst_net_client_clock_new'
}

Create a new GstNet.NetClientClock that will report the time provided by the GstNet.NetTimeProvider on remote_address and remote_port.

Parameters:

name ( String ) –

a name for the clock

remote_address ( String ) –

the address or hostname of the remote clock provider

remote_port ( Number ) –

the port of the remote clock provider

base_time ( Number ) –

initial time of the clock

Returns ( Gst.Clock ) –

a new Gst.Clock that receives a time from the remote clock.


GstNet.NetClientClock.new

def GstNet.NetClientClock.new (name, remote_address, remote_port, base_time):
    #python wrapper for 'gst_net_client_clock_new'

Create a new GstNet.NetClientClock that will report the time provided by the GstNet.NetTimeProvider on remote_address and remote_port.

Parameters:

name ( str ) –

a name for the clock

remote_address ( str ) –

the address or hostname of the remote clock provider

remote_port ( int ) –

the port of the remote clock provider

base_time ( int ) –

initial time of the clock

Returns ( Gst.Clock ) –

a new Gst.Clock that receives a time from the remote clock.


Properties

address

“address” gchar *

Flags : Read / Write / Construct


address

“address” String

Flags : Read / Write / Construct


address

“self.props.address” str

Flags : Read / Write / Construct


base-time

“base-time” guint64

Flags : Read / Write / Construct Only


base-time

“base-time” Number

Flags : Read / Write / Construct Only


base_time

“self.props.base_time” int

Flags : Read / Write / Construct Only


bus

“bus” GstBus *

Flags : Read / Write


bus

“bus” Gst.Bus

Flags : Read / Write


bus

“self.props.bus” Gst.Bus

Flags : Read / Write


internal-clock

“internal-clock” GstClock *

Flags : Read


internal-clock

“internal-clock” Gst.Clock

Flags : Read


internal_clock

“self.props.internal_clock” Gst.Clock

Flags : Read


minimum-update-interval

“minimum-update-interval” guint64

Flags : Read / Write


minimum-update-interval

“minimum-update-interval” Number

Flags : Read / Write


minimum_update_interval

“self.props.minimum_update_interval” int

Flags : Read / Write


port

“port” gint

Flags : Read / Write / Construct


port

“port” Number

Flags : Read / Write / Construct


port

“self.props.port” int

Flags : Read / Write / Construct


qos-dscp

“qos-dscp” gint

Flags : Read / Write


qos-dscp

“qos-dscp” Number

Flags : Read / Write


qos_dscp

“self.props.qos_dscp” int

Flags : Read / Write


round-trip-limit

“round-trip-limit” guint64

Flags : Read / Write


round-trip-limit

“round-trip-limit” Number

Flags : Read / Write


round_trip_limit

“self.props.round_trip_limit” int

Flags : Read / Write


GstNtpClock

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstClock
                ╰──GstSystemClock
                    ╰──GstNetClientClock
                        ╰──GstNtpClock

Members

clock (GstSystemClock) –
No description available

Class structure

GstNtpClockClass

Fields
parent_class (GstSystemClockClass) –
No description available

GstNet.NtpClockClass

Attributes
parent_class (Gst.SystemClockClass) –
No description available

GstNet.NtpClockClass

Attributes
parent_class (Gst.SystemClockClass) –
No description available

GstNtpClock

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstClock
                ╰──GstSystemClock
                    ╰──GstNetClientClock
                        ╰──GstNtpClock

Members

clock (GstSystemClock) –
No description available

GstNtpClock

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstClock
                ╰──GstSystemClock
                    ╰──GstNetClientClock
                        ╰──GstNtpClock

Members

clock (GstSystemClock) –
No description available

Constructors

gst_ntp_clock_new

GstClock *
gst_ntp_clock_new (const gchar * name,
                   const gchar * remote_address,
                   gint remote_port,
                   GstClockTime base_time)

Create a new GstNtpClock that will report the time provided by the NTPv4 server on remote_address and remote_port.

Parameters:

name

a name for the clock

remote_address

the address or hostname of the remote clock provider

remote_port

the port of the remote clock provider

base_time

initial time of the clock

Returns ( [transfer: full] ) –

a new GstClock that receives a time from the remote clock.

Since : 1.6


GstNet.NtpClock.prototype.new

function GstNet.NtpClock.prototype.new(name: String, remote_address: String, remote_port: Number, base_time: Number): {
    // javascript wrapper for 'gst_ntp_clock_new'
}

Create a new GstNet.NtpClock that will report the time provided by the NTPv4 server on remote_address and remote_port.

Parameters:

name ( String ) –

a name for the clock

remote_address ( String ) –

the address or hostname of the remote clock provider

remote_port ( Number ) –

the port of the remote clock provider

base_time ( Number ) –

initial time of the clock

Returns ( Gst.Clock ) –

a new Gst.Clock that receives a time from the remote clock.

Since : 1.6


GstNet.NtpClock.new

def GstNet.NtpClock.new (name, remote_address, remote_port, base_time):
    #python wrapper for 'gst_ntp_clock_new'

Create a new GstNet.NtpClock that will report the time provided by the NTPv4 server on remote_address and remote_port.

Parameters:

name ( str ) –

a name for the clock

remote_address ( str ) –

the address or hostname of the remote clock provider

remote_port ( int ) –

the port of the remote clock provider

base_time ( int ) –

initial time of the clock

Returns ( Gst.Clock ) –

a new Gst.Clock that receives a time from the remote clock.

Since : 1.6


Constants

GST_TYPE_NET_CLIENT_CLOCK

#define GST_TYPE_NET_CLIENT_CLOCK \
  (gst_net_client_clock_get_type())

GST_TYPE_NTP_CLOCK

#define GST_TYPE_NTP_CLOCK \
  (gst_ntp_clock_get_type())

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