rtp_streamer.h File Reference

RTP streamer functions (packetizer and RTP socket). More...

#include <gpac/ietf.h>
#include <gpac/isomedia.h>

Include dependency graph for rtp_streamer.h:

typedef struct __rtp_streamer	GF_RTPStreamer
	RTPStreamer object.
GF_RTPStreamer *	gf_rtp_streamer_new (u32 streamType, u32 oti, u32 timeScale, const char *ip_dest, u16 port, u32 MTU, u8 TTL, const char *ifce_addr, u32 flags, char *dsi, u32 dsi_len)
	RTP Streamer constructor.
GF_RTPStreamer *	gf_rtp_streamer_new_extended (u32 streamType, u32 oti, u32 timeScale, const char *ip_dest, u16 port, u32 MTU, u8 TTL, const char *ifce_addr, u32 flags, char *dsi, u32 dsi_len, u32 PayloadType, u32 sample_rate, u32 nb_ch, Bool is_crypted, u32 IV_length, u32 KI_length, u32 MinSize, u32 MaxSize, u32 avgTS, u32 maxDTSDelta, u32 const_dur, u32 bandwidth, u32 max_ptime, u32 au_sn_len)
	RTP Streamer constructor with extended parameters.
void	gf_rtp_streamer_del (GF_RTPStreamer *streamer)
	RTP file streamer destructor.
GF_Err	gf_rtp_streamer_append_sdp (GF_RTPStreamer *rtp, u16 ESID, char *dsi, u32 dsi_len, char *KMS_URI, char **out_sdp_buffer)
	gets the SDP file
GF_Err	gf_rtp_streamer_append_sdp_extended (GF_RTPStreamer *rtp, u16 ESID, char *dsi, u32 dsi_len, GF_ISOFile *isofile, u32 isotrack, char *KMS_URI, u32 width, u32 height, char **out_sdp_buffer)
GF_Err	gf_rtp_streamer_append_sdp_decoding_dependency (GF_ISOFile *isofile, u32 isotrack, u8 *payload_type, char **out_sdp_buffer)
GF_Err	gf_rtp_streamer_send_au (GF_RTPStreamer *rtp, char *data, u32 size, u64 cts, u64 dts, Bool is_rap)
GF_Err	gf_rtp_streamer_send_au_with_sn (GF_RTPStreamer *rtp, char *data, u32 size, u64 cts, u64 dts, Bool is_rap, u32 inc_au_sn)
GF_Err	gf_rtp_streamer_send_data (GF_RTPStreamer *rtp, char *data, u32 size, u32 fullsize, u64 cts, u64 dts, Bool is_rap, Bool au_start, Bool au_end, u32 au_sn, u32 sampleDuration, u32 sampleDescIndex)
char *	gf_rtp_streamer_format_sdp_header (char *app_name, char *ip_dest, char *session_name, char *iod64)
void	gf_rtp_streamer_disable_auto_rtcp (GF_RTPStreamer *streamer)
GF_Err	gf_rtp_streamer_send_rtcp (GF_RTPStreamer *streamer, Bool force_ts, u32 rtp_ts, u32 force_ntp_type, u32 ntp_sec, u32 ntp_frac)
u8	gf_rtp_streamer_get_payload_type (GF_RTPStreamer *streamer)

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Detailed Description

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Typedef Documentation

typedef struct __rtp_streamer GF_RTPStreamer

This section documents the RTP streamer object of the GPAC framework.

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Function Documentation

GF_RTPStreamer* gf_rtp_streamer_new	(	u32	streamType,
		u32	oti,
		u32	timeScale,
		const char *	ip_dest,
		u16	port,
		u32	MTU,
		u8	TTL,
		const char *	ifce_addr,
		u32	flags,
		char *	dsi,
		u32	dsi_len
	)

Constructs a new RTP file streamer

Parameters:

	streamType	type of the stream (GF_STREAM_* as defined in constants.h)
	oti	MPEG-4 object type indication for the stream (GPAC_OTI_* as defined in constants.h)
	timeScale	unit to express timestamps
	ip_dest	IP address of the destination
	port	port number of the destination
	MTU	Maximum Transmission Unit size to use
	TTL	Time To Leave
	ifce_addr	IP of the local interface to use (may be NULL)
	flags
	dsi	MPEG-4 Decoder Specific Info for the stream
	dsi_len	length of the dsi parameter

Returns:

new object

GF_RTPStreamer* gf_rtp_streamer_new_extended	(	u32	streamType,
		u32	oti,
		u32	timeScale,
		const char *	ip_dest,
		u16	port,
		u32	MTU,
		u8	TTL,
		const char *	ifce_addr,
		u32	flags,
		char *	dsi,
		u32	dsi_len,
		u32	PayloadType,
		u32	sample_rate,
		u32	nb_ch,
		Bool	is_crypted,
		u32	IV_length,
		u32	KI_length,
		u32	MinSize,
		u32	MaxSize,
		u32	avgTS,
		u32	maxDTSDelta,
		u32	const_dur,
		u32	bandwidth,
		u32	max_ptime,
		u32	au_sn_len
	)

Constructs a new RTP file streamer

Parameters:

	streamType	type of the stream (GF_STREAM_* as defined in constants.h)
	oti	MPEG-4 object type indication for the stream (GPAC_OTI_* as defined in constants.h)
	timeScale	unit to express timestamps
	ip_dest	IP address of the destination
	port	port number of the destination
	MTU	Maximum Transmission Unit size to use
	TTL	Time To Leave
	ifce_addr	IP of the local interface to use (may be NULL)
	flags
	dsi	MPEG-4 Decoder Specific Info for the stream
	dsi_len	length of the dsi parameter
	PayloadType	RTP payload type
	sample_rate	audio sample rate
	nb_ch	number of channels in audio streams
	is_crypted	Boolean indicating if the stream is crypted
	IV_length	lenght of the Initialisation Vector used for encryption
	KI_length	length of the key index
	MinSize
	MaxSize
	avgTS
	maxDTSDelta
	const_dur
	bandwidth
	max_ptime
	au_sn_len	length of the MPEG-4 SL descriptor AU sequence number field

Returns:

new object

void gf_rtp_streamer_del

(

GF_RTPStreamer *

streamer

)

Destructs an RTP file streamer

Parameters:

streamer

object to destruct

GF_Err gf_rtp_streamer_append_sdp	(	GF_RTPStreamer *	rtp,
		u16	ESID,
		char *	dsi,
		u32	dsi_len,
		char *	KMS_URI,
		char **	out_sdp_buffer
	)

Gets the SDP asscoiated with all media in the streaming session (only media parts are returned)

Parameters:

	rtp	RTP streamer object
	ESID	The MPEG-4 elementary stream id of the stream to process
	dsi	The MPEG-4 decoder specific info data
	dsi_len	length of The MPEG-4 decoder specific info data
	KMS_URI	URI of the Key Management System
	out_sdp_buffer	location to the SDP buffer to allocate and fill

GF_Err gf_rtp_streamer_append_sdp_extended	(	GF_RTPStreamer *	rtp,
		u16	ESID,
		char *	dsi,
		u32	dsi_len,
		GF_ISOFile *	isofile,
		u32	isotrack,
		char *	KMS_URI,
		u32	width,
		u32	height,
		char **	out_sdp_buffer
	)

GF_Err gf_rtp_streamer_append_sdp_decoding_dependency	(	GF_ISOFile *	isofile,
		u32	isotrack,
		u8 *	payload_type,
		char **	out_sdp_buffer
	)

GF_Err gf_rtp_streamer_send_au	(	GF_RTPStreamer *	rtp,
		char *	data,
		u32	size,
		u64	cts,
		u64	dts,
		Bool	is_rap
	)

GF_Err gf_rtp_streamer_send_au_with_sn	(	GF_RTPStreamer *	rtp,
		char *	data,
		u32	size,
		u64	cts,
		u64	dts,
		Bool	is_rap,
		u32	inc_au_sn
	)

GF_Err gf_rtp_streamer_send_data	(	GF_RTPStreamer *	rtp,
		char *	data,
		u32	size,
		u32	fullsize,
		u64	cts,
		u64	dts,
		Bool	is_rap,
		Bool	au_start,
		Bool	au_end,
		u32	au_sn,
		u32	sampleDuration,
		u32	sampleDescIndex
	)

char* gf_rtp_streamer_format_sdp_header	(	char *	app_name,
		char *	ip_dest,
		char *	session_name,
		char *	iod64
	)

void gf_rtp_streamer_disable_auto_rtcp

(

GF_RTPStreamer *

streamer

)

GF_Err gf_rtp_streamer_send_rtcp	(	GF_RTPStreamer *	streamer,
		Bool	force_ts,
		u32	rtp_ts,
		u32	force_ntp_type,
		u32	ntp_sec,
		u32	ntp_frac
	)

u8 gf_rtp_streamer_get_payload_type

(

GF_RTPStreamer *

streamer

)