dmx_ogg.c File Reference

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

Data Structures
struct	OGGInfo
struct	GF_OGGStream
struct	GF_OGGDmxCtx

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

Functions
void	oggdmx_signal_eos (GF_OGGDmxCtx *ctx)
static GF_OGGStream *	oggdmx_find_stream_for_page (GF_OGGDmxCtx *ctx, ogg_page *oggpage)
static void	oggdmx_get_stream_info (ogg_packet *oggpacket, OGGInfo *info)
static void	oggdmx_declare_pid (GF_Filter *filter, GF_OGGDmxCtx *ctx, GF_OGGStream *st)
static void	oggdmx_new_stream (GF_Filter *filter, GF_OGGDmxCtx *ctx, ogg_page *oggpage)
GF_Err	oggdmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static void	oggdmx_check_dur (GF_Filter *filter, GF_OGGDmxCtx *ctx)
static Bool	oggdmx_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static void	oggdmx_parse_picture (GF_Filter *filter, GF_OGGStream *st, u8 *data_b64)
static void	oggdmx_parse_tags (GF_Filter *filter, GF_OGGStream *st, u8 *data, u32 size)
GF_Err	oggdmx_process (GF_Filter *filter)
static GF_Err	oggdmx_initialize (GF_Filter *filter)
static void	oggdmx_finalize (GF_Filter *filter)
static const char *	oggdmx_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	oggdmx_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	OGGDmxCaps []
static const GF_FilterArgs	OGGDmxArgs []
GF_FilterRegister	OGGDmxRegister

---

Data Structure Documentation

OGGInfo

struct OGGInfo

Data Fields
u32	streamType
u32	num_init_headers
u32	sample_rate
u32	bitrate
u32	nb_chan
u32	width
u32	height
GF_Fraction	sar
u32	theora_kgs
GF_Fraction	frame_rate
u32	type

GF_OGGStream

struct GF_OGGStream

Data Fields
GF_FilterPid *	opid
ogg_stream_state	os
u32	serial_no
GF_BitStream *	dsi_bs
OGGInfo	info
Bool	got_headers
u32	parse_headers
Bool	eos_detected
u32	recomputed_ts
GF_VorbisParser *	vorbis_parser
GF_OpusConfig *	opus_cfg

GF_OGGDmxCtx

struct GF_OGGDmxCtx

Data Fields
Double	index
Bool	expart
GF_FilterPid *	ipid
u64	file_pos
u64	file_size
u32	global_rate
GF_Fraction64	duration
Double	start_range
Bool	seek_file
u32	nb_playing
Bool	is_file
Bool	initial_play_done
Bool	file_loaded
GF_List *	streams
ogg_sync_state	oy
GF_FilterPid *	art_opid
Bool	is_dash

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_OGGDmxCtx, _n)

Function Documentation

oggdmx_signal_eos()

void oggdmx_signal_eos

(

GF_OGGDmxCtx *

ctx

)

oggdmx_find_stream_for_page()

static GF_OGGStream * oggdmx_find_stream_for_page ( GF_OGGDmxCtx *  ctx, ogg_page *  oggpage  )

static

oggdmx_get_stream_info()

static void oggdmx_get_stream_info ( ogg_packet *  oggpacket, OGGInfo *  info  )

static

oggdmx_declare_pid()

static void oggdmx_declare_pid ( GF_Filter *  filter, GF_OGGDmxCtx *  ctx, GF_OGGStream *  st  )

static

oggdmx_new_stream()

static void oggdmx_new_stream ( GF_Filter *  filter, GF_OGGDmxCtx *  ctx, ogg_page *  oggpage  )

static

oggdmx_configure_pid()

GF_Err oggdmx_configure_pid	(	GF_Filter *	filter,
		GF_FilterPid *	pid,
		Bool	is_remove
	)

oggdmx_check_dur()

static void oggdmx_check_dur ( GF_Filter *  filter, GF_OGGDmxCtx *  ctx  )

static

oggdmx_process_event()

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

static

oggdmx_parse_picture()

static void oggdmx_parse_picture ( GF_Filter *  filter, GF_OGGStream *  st, u8 *  data_b64  )

static

oggdmx_parse_tags()

static void oggdmx_parse_tags ( GF_Filter *  filter, GF_OGGStream *  st, u8 *  data, u32  size  )

static

oggdmx_process()

GF_Err oggdmx_process

(

GF_Filter *

filter

)

oggdmx_initialize()

static GF_Err oggdmx_initialize ( GF_Filter *  filter )

static

oggdmx_finalize()

static void oggdmx_finalize ( GF_Filter *  filter )

static

oggdmx_probe_data()

static const char * oggdmx_probe_data ( const u8 *  data, u32  size, GF_FilterProbeScore *  score  )

static

oggdmx_register()

const GF_FilterRegister * oggdmx_register

(

GF_FilterSession *

session

)

Variable Documentation

OGGDmxCaps

const GF_FilterCapability OGGDmxCaps[]

static

Initial value:

=
{
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_FILE_EXT, "oga|spx|ogg|ogv|oggm|opus"),
        CAP_STRING(GF_CAPS_INPUT, 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"),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_VORBIS),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_FLAC),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_OPUS),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_SPEEX),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_CODECID, GF_CODECID_THEORA),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
 
}

OGGDmxArgs

const GF_FilterArgs OGGDmxArgs[]

static

Initial value:

=
{
        { OFFS(index), "indexing window length (not implemented), use 0 to disable stream probing for duration), ", GF_PROP_DOUBLE, "1.0", NULL, 0},
        { OFFS(expart), "expose pictures as a dedicated video PID", GF_PROP_BOOL, "false", NULL, 0},
        {0}
}

OGGDmxRegister

GF_FilterRegister OGGDmxRegister

Initial value:

= {
        .name = "oggdmx",
 
 
        .private_size = sizeof(GF_OGGDmxCtx),
        .initialize = oggdmx_initialize,
        .finalize = oggdmx_finalize,
        .args = OGGDmxArgs,
        .flags = GF_FS_REG_DYNAMIC_PIDS,
        SETCAPS(OGGDmxCaps),
        .configure_pid = oggdmx_configure_pid,
        .process = oggdmx_process,
        .process_event = oggdmx_process_event,
        .probe_data = oggdmx_probe_data,
}