out_rtp.c File Reference

#include <gpac/internal/media_dev.h>
#include <gpac/constants.h>
#include <gpac/maths.h>
#include <gpac/filters.h>
#include <gpac/ietf.h>
#include <gpac/config_file.h>
#include <gpac/base_coding.h>
#include <gpac/rtp_streamer.h>
#include "out_rtp.h"

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Data Structures
struct	GF_RTPOutCtx

Macros
#define	M2TS_MIME_TYPES   "video/mpeg-2|video/mp2t|video/mpeg"
#define	M2TS_FILE_EXTS   "ts|m2t|mts|dmb|trp"
#define	OFFS(_n)   #_n, offsetof(GF_RTPOutCtx, _n)

Functions
GF_Err	rtpout_create_sdp (GF_List *streams, Bool is_rtsp, const char *ip, const char *info, const char *sess_name, const char *url, const char *email, u32 base_pid_id, FILE **sdp_tmp, u64 *session_id)
static Bool	check_mime_ext (const char *string, const char *pattern)
GF_Err	rtpout_init_streamer (GF_RTPOutStream *stream, const char *ipdest, Bool inject_xps, Bool use_mpeg4_signaling, Bool use_latm, u32 payt, u32 mtu, u32 ttl, const char *ifce, Bool is_rtsp, u32 *base_pid_id, const char *netcap_id)
static GF_Err	rtpout_setup_sdp (GF_RTPOutCtx *ctx)
static u16	rtpout_check_next_port (GF_RTPOutCtx *ctx, u16 first_port)
void	rtpout_del_stream (GF_RTPOutStream *st)
static GF_Err	rtpout_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	rtpout_initialize (GF_Filter *filter)
static void	rtpout_finalize (GF_Filter *filter)
static GF_Err	rtpout_send_xps (GF_RTPOutStream *stream, GF_List *pslist, Bool *au_start, u32 pck_size, u32 cts, u32 dts, u32 duration)
static Bool	rtpout_init_clock (GF_RTPOutCtx *ctx)
static void	rtpout_process_rtcp (void *cbk, u32 ssrc, u32 rtt_ms, u64 jitter_rtp_ts, u32 loss_rate)
GF_Err	rtpout_process_rtp (GF_List *streams, GF_RTPOutStream **active_stream, Bool loop, s32 delay, u32 *active_stream_idx, u64 sys_clock_at_init, u64 *active_min_ts_microsec, u64 microsec_ts_init, Bool *wait_for_loop, u32 *repost_delay_us, Bool *first_RTCP_sent, u32 base_pid_id)
static GF_Err	rtpout_process (GF_Filter *filter)
static GF_FilterProbeScore	rtpout_probe_url (const char *url, const char *mime)
const GF_FilterRegister *	rtpout_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	RTPOutCaps []
static const GF_FilterArgs	RTPOutArgs []
GF_FilterRegister	RTPOutRegister

---

Data Structure Documentation

GF_RTPOutCtx

struct GF_RTPOutCtx

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Data Fields
char *	ip
char *	dst
char *	ext
char *	mime
u32	port
Bool	loop
Bool	xps
Bool	mpeg4
u32	mtu
u32	ttl
char *	ifce
u32	payt
u32	tt
s32	delay
char *	info
char *	url
char *	email
s32	runfor
s32	tso
Bool	latm
Double	start
Double	speed
u64	sys_clock_at_init
GF_List *	streams
u32	base_pid_id
Bool	first_RTCP_sent
GF_RTPOutStream *	active_stream
u32	active_stream_idx
u64	active_min_ts_microsec
GF_FilterPid *	opid
Bool	wait_for_loop
u64	microsec_ts_init
GF_FilterCapability	in_caps[3]
char	szExt[10]

Macro Definition Documentation

M2TS_MIME_TYPES

#define M2TS_MIME_TYPES   "video/mpeg-2|video/mp2t|video/mpeg"

M2TS_FILE_EXTS

#define M2TS_FILE_EXTS   "ts|m2t|mts|dmb|trp"

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_RTPOutCtx, _n)

Function Documentation

rtpout_create_sdp()

GF_Err rtpout_create_sdp	(	GF_List *	streams,
		Bool	is_rtsp,
		const char *	ip,
		const char *	info,
		const char *	sess_name,
		const char *	url,
		const char *	email,
		u32	base_pid_id,
		FILE **	sdp_tmp,
		u64 *	session_id
	)

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check_mime_ext()

static Bool check_mime_ext ( const char *  string, const char *  pattern  )

static

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rtpout_init_streamer()

GF_Err rtpout_init_streamer	(	GF_RTPOutStream *	stream,
		const char *	ipdest,
		Bool	inject_xps,
		Bool	use_mpeg4_signaling,
		Bool	use_latm,
		u32	payt,
		u32	mtu,
		u32	ttl,
		const char *	ifce,
		Bool	is_rtsp,
		u32 *	base_pid_id,
		const char *	netcap_id
	)

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rtpout_setup_sdp()

static GF_Err rtpout_setup_sdp ( GF_RTPOutCtx *  ctx )

static

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rtpout_check_next_port()

static u16 rtpout_check_next_port ( GF_RTPOutCtx *  ctx, u16  first_port  )

static

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rtpout_del_stream()

void rtpout_del_stream

(

GF_RTPOutStream *

st

)

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rtpout_configure_pid()

static GF_Err rtpout_configure_pid ( GF_Filter *  filter, GF_FilterPid *  pid, Bool  is_remove  )

static

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rtpout_initialize()

static GF_Err rtpout_initialize ( GF_Filter *  filter )

static

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rtpout_finalize()

static void rtpout_finalize ( GF_Filter *  filter )

static

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rtpout_send_xps()

static GF_Err rtpout_send_xps ( GF_RTPOutStream *  stream, GF_List *  pslist, Bool *  au_start, u32  pck_size, u32  cts, u32  dts, u32  duration  )

static

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rtpout_init_clock()

static Bool rtpout_init_clock ( GF_RTPOutCtx *  ctx )

static

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rtpout_process_rtcp()

static void rtpout_process_rtcp ( void *  cbk, u32  ssrc, u32  rtt_ms, u64  jitter_rtp_ts, u32  loss_rate  )

static

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rtpout_process_rtp()

GF_Err rtpout_process_rtp	(	GF_List *	streams,
		GF_RTPOutStream **	active_stream,
		Bool	loop,
		s32	delay,
		u32 *	active_stream_idx,
		u64	sys_clock_at_init,
		u64 *	active_min_ts_microsec,
		u64	microsec_ts_init,
		Bool *	wait_for_loop,
		u32 *	repost_delay_us,
		Bool *	first_RTCP_sent,
		u32	base_pid_id
	)

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rtpout_process()

static GF_Err rtpout_process ( GF_Filter *  filter )

static

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rtpout_probe_url()

static GF_FilterProbeScore rtpout_probe_url ( const char *  url, const char *  mime  )

static

rtpout_register()

const GF_FilterRegister* rtpout_register

(

GF_FilterSession *

session

)

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Variable Documentation

RTPOutCaps

const GF_FilterCapability RTPOutCaps[]

static

Initial value:

=
{
        
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_NONE),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
 
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_OUTPUT, GF_PROP_PID_FILE_EXT, "sdp"),
        CAP_STRING(GF_CAPS_OUTPUT, GF_PROP_PID_MIME, "application/sdp"),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT,GF_PROP_PID_FILE_EXT, "*"),
        CAP_UINT(GF_CAPS_INPUT|GF_CAPFLAG_PRESENT, GF_PROP_PID_TIMESCALE, 0),
 
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_OUTPUT, GF_PROP_PID_FILE_EXT, "sdp"),
        CAP_STRING(GF_CAPS_OUTPUT, GF_PROP_PID_MIME, "application/sdp"),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED | GF_CAPFLAG_LOADED_FILTER,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED | GF_CAPFLAG_LOADED_FILTER, GF_PROP_PID_UNFRAMED, GF_TRUE),
}

RTPOutArgs

const GF_FilterArgs RTPOutArgs[]

static

Initial value:

=
{
        { OFFS(ip), "destination IP address (NULL is 127.0.0.1)", GF_PROP_STRING, NULL, NULL, 0},
        { OFFS(port), "port for first stream in session", GF_PROP_UINT, "7000", NULL, 0},
        { OFFS(loop), "loop all streams in session (not always possible depending on source type)", GF_PROP_BOOL, "false", NULL, 0},
        { OFFS(mpeg4), "send all streams using MPEG-4 generic payload format if possible", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(mtu), "size of RTP MTU in bytes", GF_PROP_UINT, "1460", NULL, 0},
        { OFFS(ttl), "time-to-live for multicast packets", GF_PROP_UINT, "2", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(ifce), "default network interface to use", GF_PROP_STRING, NULL, NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(payt), "payload type to use for dynamic decoder configurations", GF_PROP_UINT, "96", "96-127", GF_FS_ARG_HINT_EXPERT},
        { OFFS(delay), "send delay for packet (negative means send earlier)", GF_PROP_SINT, "0", NULL, 0},
        { OFFS(tt), "time tolerance in microseconds. Whenever schedule time minus realtime is below this value, the packet is sent right away", GF_PROP_UINT, "1000", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(runfor), "run for the given time in ms. Negative value means run for ever (if loop) or source duration, 0 only outputs the sdp", GF_PROP_SINT, "-1", NULL, 0},
        { OFFS(tso), "set timestamp offset in microseconds. Negative value means random initial timestamp", GF_PROP_SINT, "-1", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(xps), "force parameter set injection at each SAP. If not set, only inject if different from SDP ones", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(latm), "use latm for AAC payload format", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_EXPERT},
        { OFFS(dst), "URL for direct RTP mode", GF_PROP_NAME, NULL, NULL, 0},
        { OFFS(ext), "file extension for direct RTP mode", GF_PROP_STRING, NULL, NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(mime), "set mime type for direct RTP mode", GF_PROP_NAME, NULL, NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(speed), "set streaming speed. If negative and start is 0, start is set to -1", GF_PROP_DOUBLE, "1.0", NULL, 0},
        { OFFS(start), "set streaming start offset. A negative value means percent of media duration with -1 equal to duration", GF_PROP_DOUBLE, "0.0", NULL, 0},
        {0}
}

RTPOutRegister

GF_FilterRegister RTPOutRegister