#include <gpac/rtp_streamer.h>
#include <gpac/constants.h>
#include <gpac/base_coding.h>
#include <gpac/avparse.h>
#include <gpac/internal/ietf_dev.h>

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Data Structures
struct	GF_RTPStreamer
	RTPStreamer object. More...

Functions
static void	rtp_stream_on_new_packet (void cbk, GF_RTPHeader header)

static void	rtp_stream_on_packet_done (void cbk, GF_RTPHeader header)

static void	rtp_stream_on_data (void cbk, char data, u32 data_size, Bool is_head)

static GF_Err	rtp_stream_init_channel (GF_RTPStreamer rtp, u32 path_mtu, const char dest, int port, int ttl, const char *ifce_addr)

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. More...

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. More...

void	gf_rtp_streamer_del (GF_RTPStreamer *streamer)
	RTP file streamer destructor. More...

void	gf_media_format_ttxt_sdp (GP_RTPPacketizer builder, char payload_name, char sdpLine, GF_ISOFile file, u32 track)

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)

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

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 More...

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)

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)

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)

Data Structure Documentation

struct __rtp_streamer

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

Collaboration diagram for GF_RTPStreamer:

Data Fields
GP_RTPPacketizer *	packetizer
GF_RTPChannel *	channel
char *	buffer
u32	payload_len
u32	buffer_alloc
Double	ts_scale

Function Documentation

static void rtp_stream_on_new_packet	(	void *	cbk,
		GF_RTPHeader *	header
	)

static

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static void rtp_stream_on_packet_done	(	void *	cbk,
		GF_RTPHeader *	header
	)

static

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static void rtp_stream_on_data	(	void *	cbk,
		char *	data,
		u32	data_size,
		Bool	is_head
	)

static

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static GF_Err rtp_stream_init_channel	(	GF_RTPStreamer *	rtp,
		u32	path_mtu,
		const char *	dest,
		int	port,
		int	ttl,
		const char *	ifce_addr
	)

static

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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

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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

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void gf_rtp_streamer_del ( GF_RTPStreamer * streamer )

Destructs an RTP file streamer

Parameters

streamer object to destruct

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void gf_media_format_ttxt_sdp	(	GP_RTPPacketizer *	builder,
		char *	payload_name,
		char *	sdpLine,
		GF_ISOFile *	file,
		u32	track
	)

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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
	)

defined(GPAC_DISABLE_ISOM) && !defined(GPAC_DISABLE_STREAMING)

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

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

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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

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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
	)

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

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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
	)

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void gf_rtp_streamer_disable_auto_rtcp ( GF_RTPStreamer * streamer )

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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
	)

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u8 gf_rtp_streamer_get_payload_type ( GF_RTPStreamer * streamer )

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Data Structures

Functions

Data Structure Documentation

Function Documentation