ts::TSDatagramOutput Class Reference

Send TS packets over datagrams (UDP, SRT, RIST, etc.) More...

#include <tsTSDatagramOutput.h>

Inheritance diagram for ts::TSDatagramOutput:

Collaboration diagram for ts::TSDatagramOutput:

Public Member Functions
	TSDatagramOutput (TSDatagramOutputOptions flags, TSDatagramOutputHandlerInterface *output=nullptr)
	Constructor.
bool	close (const BitRate &bitrate, Report &report)
	Close the TS packet output.
void	defineArgs (Args &args)
	Add command line option definitions in an Args.
bool	loadArgs (DuckContext &duck, Args &args)
	Load arguments from command line.
size_t	maxPayloadSize () const
	Get the maximum datagram payload size, according to options –packet-burst and –rs204.
bool	open (Report &report)
	Open and initialize the TS packet output.
bool	send (const TSPacket *packets, const TSPacketMetadata *metadata, size_t packet_count, const BitRate &bitrate, Report &report)
	Send TS packets.

Static Public Attributes
static constexpr size_t	DEFAULT_PACKET_BURST = 7
	Default number of TS packets in a UDP datagram.
static constexpr size_t	MAX_PACKET_BURST = 128
	Maximum number of TS packets in a UDP datagram.

Detailed Description

Send TS packets over datagrams (UDP, SRT, RIST, etc.)

Constructor & Destructor Documentation

TSDatagramOutput()

ts::TSDatagramOutput::TSDatagramOutput ( TSDatagramOutputOptions  flags, TSDatagramOutputHandlerInterface *  output = nullptr  )

explicit

Constructor.

Parameters

[in]	flags	List of options.
[in]	output	Output handler for datagrams. If null, raw UDP output is used.

Member Function Documentation

defineArgs()

void ts::TSDatagramOutput::defineArgs

(

Args &

args

)

Add command line option definitions in an Args.

Parameters

[in,out]

args

Command line arguments to update.

loadArgs()

bool ts::TSDatagramOutput::loadArgs	(	DuckContext &	duck,
		Args &	args
	)

Load arguments from command line.

Args error indicator is set in case of incorrect arguments.

Parameters

[in,out]	duck	TSDuck execution context.
[in,out]	args	Command line arguments.

Returns

True on success, false on error in argument line.

open()

bool ts::TSDatagramOutput::open

(

Report &

report

)

Open and initialize the TS packet output.

Parameters

[in,out]

report

Where to report errors.

Returns

True on success, false on error.

close()

bool ts::TSDatagramOutput::close	(	const BitRate &	bitrate,
		Report &	report
	)

Close the TS packet output.

Flush pending packets, if any.

Parameters

[in]	bitrate	Current of last bitrate to compute timestamps for buffered packets. Ignored if zero.
[in,out]	report	Where to report errors.

Returns

True on success, false on error.

send()

bool ts::TSDatagramOutput::send	(	const TSPacket *	packets,
		const TSPacketMetadata *	metadata,
		size_t	packet_count,
		const BitRate &	bitrate,
		Report &	report
	)

Send TS packets.

Some of them can be buffered and sent later.

Parameters

[in]	packets	Address of first packet.
[in]	metadata	Address of first packet metadata (can be null).
[in]	packet_count	Number of packets to send.
[in]	bitrate	Current bitrate to compute timestamps. Ignored if zero.
[in,out]	report	Where to report errors.

Returns

True on success, false on error.

maxPayloadSize()

size_t ts::TSDatagramOutput::maxPayloadSize ( ) const

inline

Get the maximum datagram payload size, according to options –packet-burst and –rs204.

Returns

The maximum datagram payload size.

Member Data Documentation

DEFAULT_PACKET_BURST

constexpr size_t ts::TSDatagramOutput::DEFAULT_PACKET_BURST = 7

staticconstexpr

Default number of TS packets in a UDP datagram.

This value is equivalent to 1316 bytes, the maximum number of TS packets which fit (with headers) in an Ethernet MTU (1500 bytes).

MAX_PACKET_BURST

constexpr size_t ts::TSDatagramOutput::MAX_PACKET_BURST = 128

staticconstexpr

Maximum number of TS packets in a UDP datagram.

This value (approximately 24 kB) is not recommended since it will result in IP datagram fragmentation in most cases.

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The documentation for this class was generated from the following file:

• tsTSDatagramOutput.h