mux_ogg.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/bitstream.h>
#include <gpac/internal/ogg.h>

Data Structures
struct	OGGMuxStream
struct	OGGMuxCtx

Macros
#define	OFFS(_n)   #_n, offsetof(OGGMuxCtx, _n)

Functions
static void	oggmux_on_packet_del (GF_Filter *filter, GF_FilterPid *pid, GF_FilterPacket *pck)
static GF_Err	oggmux_send_page (OGGMuxCtx *ctx, OGGMuxStream *pctx, GF_FilterPacket *in_pck)
static GF_Err	oggmux_send_config (OGGMuxCtx *ctx, OGGMuxStream *pctx, GF_FilterPacket *in_pck)
static GF_Err	oggmux_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static void	oggmux_send_seg_info (OGGMuxCtx *ctx)
static GF_Err	oggmux_process (GF_Filter *filter)
static Bool	oggmux_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static GF_Err	oggmux_initialize (GF_Filter *filter)
static void	oggmux_finalize (GF_Filter *filter)
const GF_FilterRegister *	oggmux_register (GF_FilterSession *session)

Variables
static const GF_FilterArgs	OGGMuxArgs []
static const GF_FilterCapability	OGGMuxCaps []
GF_FilterRegister	OGGMuxRegister

---

Data Structure Documentation

OGGMuxStream

struct OGGMuxStream

Data Fields
GF_FilterPid *	ipid
Bool	ready
u32	timescale
u64	init_ts
u64	last_ts
u32	theora_kgs
u32	codec_id
u32	nb_i
u32	nb_p
Bool	inject_cfg
GF_FilterPacket *	dangling_ref
ogg_stream_state	os
ogg_packet	op
ogg_page	og

OGGMuxCtx

struct OGGMuxCtx

Data Fields
GF_Fraction	cdur
GF_Fraction	rcfg
GF_FilterPid *	opid
GF_List *	streams
u64	nb_pck
Bool	is_eos
Bool	is_playing
Double	start_range
u64	last_reconf
u32	page_id
GF_Fraction64	ts_regulate
u32	dash_mode
u32	seg_num
u32	next_seg_num
Bool	wait_dash
Bool	copy_props
u64	seg_start
u64	seg_size
Bool	force_seg_sync
u32	packets_pending

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(OGGMuxCtx, _n)

Function Documentation

oggmux_on_packet_del()

static void oggmux_on_packet_del ( GF_Filter *  filter, GF_FilterPid *  pid, GF_FilterPacket *  pck  )

static

oggmux_send_page()

static GF_Err oggmux_send_page ( OGGMuxCtx *  ctx, OGGMuxStream *  pctx, GF_FilterPacket *  in_pck  )

static

oggmux_send_config()

static GF_Err oggmux_send_config ( OGGMuxCtx *  ctx, OGGMuxStream *  pctx, GF_FilterPacket *  in_pck  )

static

oggmux_configure_pid()

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

static

oggmux_send_seg_info()

static void oggmux_send_seg_info ( OGGMuxCtx *  ctx )

static

oggmux_process()

static GF_Err oggmux_process ( GF_Filter *  filter )

static

oggmux_process_event()

static Bool oggmux_process_event ( GF_Filter *  filter, const GF_FilterEvent *  evt  )

static

oggmux_initialize()

static GF_Err oggmux_initialize ( GF_Filter *  filter )

static

oggmux_finalize()

static void oggmux_finalize ( GF_Filter *  filter )

static

oggmux_register()

const GF_FilterRegister * oggmux_register

(

GF_FilterSession *

session

)

Variable Documentation

OGGMuxArgs

const GF_FilterArgs OGGMuxArgs[]

static

Initial value:

=
{
        { OFFS(cdur), "stream interleaving duration in seconds", GF_PROP_FRACTION, "1/10", NULL, 0},
        { OFFS(rcfg), "stream config re-injection frequency in seconds", GF_PROP_FRACTION, "0/1", NULL, 0},
        {0}
}

OGGMuxCaps

const GF_FilterCapability OGGMuxCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_THEORA),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_VORBIS),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_OPUS),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_FLAC),
        CAP_UINT(GF_CAPS_INPUT,GF_PROP_PID_CODECID, GF_CODECID_SPEEX),
        CAP_UINT(GF_CAPS_OUTPUT,GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_BOOL(GF_CAPS_INPUT_EXCLUDED, GF_PROP_PID_UNFRAMED, GF_TRUE),
        CAP_STRING(GF_CAPS_OUTPUT, GF_PROP_PID_FILE_EXT, "oga|spx|ogg|ogv|oggm|opus"),
        CAP_STRING(GF_CAPS_OUTPUT, GF_PROP_PID_MIME, "audio/ogg|audio/x-ogg|audio/x-vorbis+ogg|application/ogg|application/x-ogg|video/ogg|video/x-ogg|video/x-ogm+ogg|audio/opus|audio/x-opus"),
        {0}
}

OGGMuxRegister

GF_FilterRegister OGGMuxRegister

Initial value:

= {
        .name = "oggmx",
 
        GF_FS_SET_HELP("This filter multiplexes audio and video to produce an OGG stream.\n"
                "\n"
                "The [-cdur]() option allows specifiying the interleaving duration (max time difference between consecutive packets of different streams). \n"
        )
        .private_size = sizeof(OGGMuxCtx),
        .max_extra_pids = -1,
        .args = OGGMuxArgs,
        SETCAPS(OGGMuxCaps),
        .initialize = oggmux_initialize,
        .finalize = oggmux_finalize,
        .configure_pid = oggmux_configure_pid,
        .process = oggmux_process,
        .process_event = oggmux_process_event,
}