dasher.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/iso639.h>
#include <gpac/mpd.h>
#include <gpac/internal/media_dev.h>
#include <gpac/base_coding.h>
#include <gpac/network.h>
#include <gpac/crypt_tools.h>

Include dependency graph for dasher.c:

Data Structures
struct	GF_DasherPeriod
struct	GF_DasherCtx
struct	GF_DashStream
struct	DashTemplateRecord
struct	PeriodInfo

Macros
#define	DEFAULT_PERIOD_ID   "_gf_dash_def_period"
#define	CHECK_PROP(_type, _mem, _e)
#define	CHECK_PROPL(_type, _mem, _e)
#define	CHECK_PROP_BOOL(_type, _mem, _e)
#define	CHECK_PROP_FRAC(_type, _mem, _e)
#define	CHECK_PROP_FRAC64(_type, _mem, _e)
#define	CHECK_PROP_STR(_type, _mem, _e)
#define	CHECK_PROP_PROP(_type, _mem, _e)
#define	CHECK_VAL(_name, _v)   if (rep->_name != n_rep->_name) { rep->_name = n_rep->_name; transcode_detected = GF_TRUE; if (_v) recompute_set = GF_TRUE; }
#define	CHECK_STR(_name)
#define	CHECK_FRAC(_name)
#define	RESET_PROP_STR(_prop)    if (_prop) gf_free(_prop);
#define	MPD_EXTS   "mpd|m3u8|3gm|ism|ghix|ghi"
#define	MPD_MIMES   "application/dash+xml|video/vnd.3gpp.mpd|audio/vnd.3gpp.mpd|video/vnd.mpeg.dash.mpd|audio/vnd.mpeg.dash.mpd|audio/mpegurl|video/mpegurl|application/vnd.ms-sstr+xml|application/x-gpac-ghi|application/x-gpac-ghix"
#define	OFFS(_n)   #_n, offsetof(GF_DasherCtx, _n)

Enumerations
enum	{   DASHER_BS_SWITCH_DEF =0 , DASHER_BS_SWITCH_OFF , DASHER_BS_SWITCH_ON , DASHER_BS_SWITCH_INBAND ,   DASHER_BS_SWITCH_INBAND_PPS , DASHER_BS_SWITCH_BOTH , DASHER_BS_SWITCH_FORCE , DASHER_BS_SWITCH_MULTI }
enum	DasherUTCTimingType {   DASHER_UTCREF_NONE =0 , DASHER_UTCREF_NTP , DASHER_UTCREF_HTTP_HEAD , DASHER_UTCREF_ISO ,   DASHER_UTCREF_XSDATE , DASHER_UTCREF_INBAND }
enum	{ DASHER_NTP_REM =0 , DASHER_NTP_YES , DASHER_NTP_KEEP }
enum	{ DASHER_SAP_OFF =0 , DASHER_SAP_SIG , DASHER_SAP_ON , DASHER_SAP_INTRA_ONLY }
enum	{ DASHER_BOUNDS_OUT =0 , DASHER_BOUNDS_CLOSEST , DASHER_BOUNDS_IN }
enum	{   DASHER_MUX_ISOM =0 , DASHER_MUX_TS , DASHER_MUX_MKV , DASHER_MUX_WEBM ,   DASHER_MUX_OGG , DASHER_MUX_RAW , DASHER_MUX_AUTO }
enum	{ DASHER_MPHA_NO =0 , DASHER_MPHA_COMP_ONLY , DASHER_MPHA_ALL }
enum	{ DASHER_FWD_NO = 0 , DASHER_FWD_SEGS , DASHER_FWD_ALL }
enum	{ DASHER_SYNC_UNKNOWN =0 , DASHER_SYNC_NONE , DASHER_SYNC_PRESENT }
enum	{ DASHER_CMAF_NONE =0 , DASHER_CMAF_CMFC , DASHER_CMAF_CMF2 }
enum	{ DASHER_DEFKID_OFF =0 , DASHER_DEFKID_ON , DASHER_DEFKID_AUTO }
enum	{ DASHER_PSWITCH_SINGLE =0 , DASHER_PSWITCH_FORCE , DASHER_PSWITCH_STSD }
enum	{ DASHER_SEGSYNC_NO =0 , DASHER_SEGSYNC_YES , DASHER_SEGSYNC_AUTO }
enum	{   IDXMODE_NONE =0 , IDXMODE_ALL , IDXMODE_MANIFEST , IDXMODE_CHILD ,   IDXMODE_INIT , IDXMODE_SEG }
enum	{ SFLUSH_OFF =0 , SFLUSH_SINGLE , SFLUSH_END }
enum	DasherHDRType { DASHER_HDR_NONE =0 , DASHER_HDR_PQ10 , DASHER_HDR_HLG }
enum	{ DASH_INITSEG_PRESENT =0 , DASH_INITSEG_NONE , DASH_INITSEG_SKIP }

Functions
char *	gf_filter_pid_get_destination_ex (GF_FilterPid *pid, u32 dst_idx)
void	gf_filter_skip_seg_size_events (GF_Filter *f)
void	gf_filter_pid_force_single_link (GF_FilterPid *pid)
void	gf_filter_pid_disable_clone (GF_FilterPid *pid)
static void	dasher_flush_segment (GF_DasherCtx *ctx, GF_DashStream *ds, Bool is_last_in_period)
static void	dasher_update_rep (GF_DasherCtx *ctx, GF_DashStream *ds)
static void	dasher_reset_stream (GF_Filter *filter, GF_DashStream *ds, Bool is_destroy)
static void	dasher_update_period_duration (GF_DasherCtx *ctx, Bool is_period_switch)
static GF_Err	dasher_setup_period (GF_Filter *filter, GF_DasherCtx *ctx, GF_DashStream *for_ds)
static GF_Err	dasher_setup_profile (GF_DasherCtx *ctx)
static GF_DasherPeriod *	dasher_new_period ()
static GF_Err	dasher_get_audio_info_with_m4a_sbr_ps (GF_DashStream *ds, const GF_PropertyValue *dsi, u32 *SampleRate, u32 *Channels)
static void	dasher_ensure_outpath (GF_DasherCtx *ctx)
static GF_Err	dasher_hls_setup_crypto (GF_DasherCtx *ctx, GF_DashStream *ds)
static u32	dasher_get_dep_bitrate (GF_DasherCtx *ctx, GF_DashStream *ds)
static void	dasher_update_bitrate (GF_DasherCtx *ctx, GF_DashStream *ds)
static GF_Err	dasher_stream_period_changed (GF_Filter *filter, GF_DasherCtx *ctx, GF_DashStream *ds, Bool is_new_period_request)
static void	dasher_get_dash_dur (GF_DasherCtx *ctx, GF_DashStream *ds)
static void	dasher_send_encode_hints (GF_DasherCtx *ctx, GF_DashStream *ds)
static Bool	dasher_template_use_source_url (const char *template)
static GF_Err	dasher_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static void	dasher_check_chaining (GF_DasherCtx *ctx, char *scheme_id, char *url)
static GF_Err	dasher_update_mpd (GF_DasherCtx *ctx)
static GF_Err	dasher_setup_mpd (GF_DasherCtx *ctx)
static GF_Err	dasher_get_rfc_6381_codec_name (GF_DasherCtx *ctx, GF_DashStream *ds, char *szCodec, Bool force_inband, Bool force_sbr)
static GF_DashStream *	get_base_ds (GF_DasherCtx *ctx, GF_DashStream *for_ds)
static void	get_canon_urn (bin128 URN, char *res)
static const char *	get_drm_kms_name (const char *canURN)
static GF_List *	dasher_get_content_protection_desc (GF_DasherCtx *ctx, GF_DashStream *ds, GF_MPD_AdaptationSet *for_set)
static void	dasher_get_mime_and_ext (GF_DasherCtx *ctx, GF_DashStream *ds, const char **out_subtype, const char **out_ext)
static void	dasher_setup_rep (GF_DasherCtx *ctx, GF_DashStream *ds, u32 *srd_rep_idx)
static Bool	dasher_same_roles (GF_DashStream *ds1, GF_DashStream *ds2)
static u32	dasher_get_next_as_id (GF_DasherCtx *ctx)
static Bool	dasher_same_adaptation_set (GF_DasherCtx *ctx, GF_DashStream *ds, GF_DashStream *ds_test)
static void	dasher_add_descriptors (GF_List **p_dst_list, const GF_PropertyValue *desc_val)
static void	dasher_add_inband_event (GF_DashStream *ds)
static void	dasher_setup_set_defaults (GF_DasherCtx *ctx, GF_MPD_AdaptationSet *set)
static void	rewrite_dep_ids (GF_DasherCtx *ctx, GF_DashStream *base_ds)
static void	dasher_check_bitstream_switching (GF_DasherCtx *ctx, GF_MPD_AdaptationSet *set)
GF_Err	gf_cryptfout_push_key (GF_Filter *filter, bin128 *key, bin128 *IV)
static void	dasher_open_destination (GF_Filter *filter, GF_DasherCtx *ctx, GF_MPD_Representation *rep, const char *szInitURL, u32 trash_init)
static void	dasher_gather_deps (GF_DasherCtx *ctx, u32 dependency_id, GF_List *multi_tracks)
static void	dasher_update_dep_list (GF_DasherCtx *ctx, GF_DashStream *ds, const char *ref_type)
static void	dasher_inject_scte35_processor (GF_Filter *filter, GF_DashStream *ds, char *szSRC)
static void	dasher_open_pid (GF_Filter *filter, GF_DasherCtx *ctx, GF_DashStream *ds, GF_List *multi_pids, Bool init_trashed)
static void	dasher_set_content_components (GF_DashStream *ds)
static char *	dasher_cat_mpd_url (GF_DasherCtx *ctx, GF_DashStream *ds, const char *url)
static u32	dasher_check_template_reuse (GF_DasherCtx *ctx, GF_DashStream *ds, const char *tpl)
static Bool	dasher_check_hls_variant_path (GF_DasherCtx *ctx, GF_DashStream *ds, GF_DashStream *a_ds)
static void	dasher_setup_sources (GF_Filter *filter, GF_DasherCtx *ctx, GF_MPD_AdaptationSet *set)
static void	dasher_purge_segment_timeline (GF_DashStream *ds, GF_MPD_SegmentTimeline *stl, GF_DASH_SegmentContext *sctx)
static void	dasher_purge_segments (GF_DasherCtx *ctx, u64 *period_dur)
static void	dasher_transfer_file (FILE *f, GF_FilterPid *opid, const char *name, GF_DashStream *ds, Bool is_rel_url)
static u64	dasher_get_utc (GF_DasherCtx *ctx)
static void	dasher_get_set_and_rep (GF_MPD_Period *period, const char *repid, GF_MPD_AdaptationSet **out_set, GF_MPD_Representation **out_rep)
static Bool	dasher_merge_rep (GF_DashStream *ds, GF_MPD_Representation *rep)
static void	dasher_forward_manifest_raw (GF_DasherCtx *ctx, GF_DashStream *ds, const char *manifest, const char *manifest_name)
static void	dasher_forward_mpd (GF_DasherCtx *ctx, const char *manifest)
static GF_Err	dasher_write_index (GF_DasherCtx *ctx, GF_FilterPid *opid)
static GF_Err	dasher_write_and_send_manifest (GF_DasherCtx *ctx, u64 last_period_dur, Bool do_m3u8, Bool m3u8_second_pass, GF_FilterPid *opid, char *alt_name)
static void	dasher_update_dyn_bitrates (GF_DasherCtx *ctx)
GF_Err	dasher_send_manifest (GF_Filter *filter, GF_DasherCtx *ctx, Bool for_mpd_only)
void	dasher_context_update_period_end (GF_DasherCtx *ctx)
void	dasher_context_update_period_start (GF_DasherCtx *ctx)
static GF_DashStream *	dasher_get_stream (GF_DasherCtx *ctx, const char *src_url, u32 original_pid, const char *original_period_id, const char *original_rep_id)
static GF_Err	dasher_reload_muxed_comp (GF_DasherCtx *ctx, GF_DashStream *base_ds, GF_MPD_Representation *base_rep_ctx, Bool check_only)
static GF_Err	dasher_reload_context (GF_Filter *filter, GF_DasherCtx *ctx)
static void	dasher_udpate_periods_and_manifest (GF_Filter *filter, GF_DasherCtx *ctx)
static u32	dasher_period_count (GF_List *streams_in)
static void	dasher_init_utc (GF_Filter *filter, GF_DasherCtx *ctx)
static GF_Err	dasher_switch_period (GF_Filter *filter, GF_DasherCtx *ctx)
static GF_Err	dasher_setup_ssr (GF_DasherCtx *ctx)
static void	dasher_insert_timeline_entry (GF_DasherCtx *ctx, GF_DashStream *ds, Bool is_ll_anouncement)
static void	dasher_copy_segment_timelines (GF_DasherCtx *ctx, GF_MPD_AdaptationSet *set)
static void	dasher_set_timeline_parts (GF_DasherCtx *ctx, GF_DashStream *ds, GF_DASH_SegmentContext *sctx)
static char *	dasher_strip_base (GF_DasherCtx *ctx, GF_DashStream *ds, char *seg_url, char *seg_name)
static GFINLINE u64	dasher_translate_cts (GF_DashStream *ds, u64 cts)
static void	dasher_mark_segment_start (GF_DasherCtx *ctx, GF_DashStream *ds, GF_FilterPacket *pck, GF_FilterPacket *in_pck)
static Bool	dasher_check_loop (GF_DasherCtx *ctx, GF_DashStream *ds)
static Bool	dasher_check_period_ready (GF_DasherCtx *ctx, Bool is_session_end)
void	dasher_format_report (GF_Filter *filter, GF_DasherCtx *ctx)
static void	dasher_drop_input (GF_DasherCtx *ctx, GF_DashStream *ds, Bool discard_all)
static void	dasher_inject_eods (GF_DasherCtx *ctx, GF_DashStream *ds, Bool forced)
static void	dasher_send_empty_segment (GF_DasherCtx *ctx, GF_DashStream *ds)
static GF_Err	dasher_process (GF_Filter *filter)
static void	dasher_resume_subdur (GF_Filter *filter, GF_DasherCtx *ctx)
static void	dasher_process_hls_ll (GF_DasherCtx *ctx, const GF_FilterEvent *evt)
static Bool	dasher_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static GF_Err	dasher_initialize (GF_Filter *filter)
static void	dasher_finalize (GF_Filter *filter)
const GF_FilterRegister *	dasher_register (GF_FilterSession *session)

Variables
static const char *	empty_ttml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tt xmlns=\"http://www.w3.org/ns/ttml\" xml:lang=\"en\">\n<head/>\n<body/>\n</tt>"
static const GF_FilterCapability	DasherCaps []
static const GF_FilterArgs	DasherArgs []
GF_FilterRegister	DasherRegister

---

Data Structure Documentation

GF_DasherPeriod

struct GF_DasherPeriod

Collaboration diagram for GF_DasherPeriod:

Data Fields
GF_List *	streams
GF_MPD_Period *	period

GF_DasherCtx

struct GF_DasherCtx

Collaboration diagram for GF_DasherCtx:

Data Fields
u32	bs_switch
u32	profile
u32	spd
u32	cp
u32	ntp
s32	subs_sidx
s32	buf
s32	timescale
Bool	sfile
Bool	sseg
Bool	no_sar
Bool	mix_codecs
Bool	stl
Bool	tpl
Bool	align
Bool	sap
Bool	no_frag_def
Bool	sidx
Bool	split
Bool	hlsc
Bool	strict_cues
Bool	force_flush
Bool	last_seg_merge
Bool	keep_ts
u32	mha_compat
u32	sflush
u32	strict_sap
u32	pssh
u32	cmaf
u32	dkid
GF_Fraction	segdur
u32	dmode
char *	template
char *	segext
char *	initext
u32	muxtype
Bool	rawsub
char *	profX
Double	asto
char *	ast
char *	state
char *	cues
char *	title
char *	source
char *	info
char *	cprt
char *	lang
char *	chain
char *	chain_fbk
GF_PropStringList	location
GF_PropStringList	base
Bool	check_dur
Bool	skip_seg
Bool	loop
Bool	reschedule
Bool	scope_deps
Bool	keep_src
Bool	tpl_force
Bool	keep_segs
Double	refresh
Double	tsb
Double	subdur
u64 *	_p_gentime
u64 *	_p_mpdtime
Bool	cmpd
Bool	dual
Bool	sreg
Bool	ttml_agg
char *	styp
Bool	sigfrag
u32	sbound
u32	pswitch
char *	utcs
char *	mname
char *	hlsdrm
char *	ckurl
GF_PropStringList	hlsx
u32	llhls
Bool	hlsiv
GF_Fraction	cdur
Bool	ll_preload_hint
Bool	ll_rend_rep
Bool	gencues
Bool	force_init
Bool	gxns
Double	ll_part_hb
u32	hls_absu
u32	seg_sync
Bool	hls_ap
Bool	in_error
GF_FilterPid *	opid
GF_FilterPid *	opid_alt
GF_Filter *	alt_dst
Bool	opid_alt_m3u8
GF_MPD *	mpd
GF_DasherPeriod *	current_period
GF_DasherPeriod *	next_period
GF_List *	pids
Bool	template_use_source
s32	period_idx
GF_List *	tpl_records
Bool	use_xlink
Bool	use_cenc
Bool	check_main_role
Bool	use_clearkey
Bool	no_fragments_defaults
Bool	is_eos
u32	nb_seg_url_pending
u64	last_evt_check_time
Bool	on_demand_done
Bool	subdur_done
char *	out_path
char *	out_path_alt
GF_Err	setup_failure
Double	nb_secs_to_discard
Bool	first_context_load
Bool	store_init_params
Bool	do_m3u8
Bool	do_mpd
u32	do_index
Bool	is_period_restore
Bool	is_empty_period
Bool	store_seg_states
GF_List *	postponed_pids
u32	last_dyn_period_id
u32	next_pid_id_in_period
Bool	post_play_events
Bool	force_period_switch
GF_Fraction64	period_switch_cts
Bool	period_not_ready
Bool	check_connections
s32	update_report
Bool	purge_segments
Bool	is_playing
Bool	use_mabr
Bool	no_seg_dur
u32	utc_initialized
DasherUTCTimingType	utc_timing_type
s32	utc_diff
Bool	force_hls_ll_manifest
u32	forward_mode
u8	last_hls_signature[GF_SHA1_DIGEST_SIZE]
u8	last_mpd_signature[GF_SHA1_DIGEST_SIZE]
u8	last_hls2_signature[GF_SHA1_DIGEST_SIZE]
GF_CryptInfo *	cinfo
Bool	use_cues
Bool	dyn_rate
u64	min_segment_start_time
u64	last_min_segment_start_time
u32	def_max_seg_dur
u32	index_max_seg_dur
u64	index_media_duration
GF_Fraction64	min_cts_period
u32	from_index
u32	def_template
Bool	move_to_static
Bool	explicit_mode
Bool	inband_event

GF_DashStream

struct GF_DashStream

Collaboration diagram for GF_DashStream:

Data Fields
GF_FilterPid *	ipid
GF_FilterPid *	opid
u32	codec_id
u32	timescale
u32	stream_type
u32	dsi_crc
u32	dsi_enh_crc
u32	id
u32	dep_id
u32	src_id
GF_Fraction	sar
GF_Fraction	fps
u32	width
u32	height
u32	sr
u32	nb_ch
char *	lang
Bool	interlaced
Bool	rawmux
const GF_PropertyValue *	p_role
const GF_PropertyValue *	p_period_desc
const GF_PropertyValue *	p_as_desc
const GF_PropertyValue *	p_as_any_desc
const GF_PropertyValue *	p_rep_desc
const GF_PropertyValue *	p_base_url
char *	template
char *	xlink
char *	hls_vp_name
u32	nb_surround
u32	nb_lfe
u32	atmos_complexity_type
u64	ch_layout
GF_PropVec4i	srd
DasherHDRType	hdr_type
Bool	sscale
Bool	skip_sap
u32	view_id
u32	bitrate
GF_DasherPeriod *	period
GF_MPD_Period *	last_period
GF_Fraction	dash_dur
char *	period_id
char *	period_continuity_id
GF_Fraction64	period_start
GF_Fraction64	period_dur
u32	done
Bool	seg_done
u32	nb_comp
u32	nb_comp_done
Bool	is_av
u32	nb_rep
u32	nb_rep_done
Double	set_seg_duration
char *	rep_id
u32	as_id
u32	sync_as_id
struct _dash_stream *	muxed_base
GF_List *	complementary_streams
GF_List *	comp_pids
GF_MPD_Representation *	rep
GF_MPD_AdaptationSet *	set
Bool	owns_set
u32	inband_params
GF_List *	multi_pids
GF_List *	multi_tracks
u32	force_timescale
u32	startNumber
u32	seg_number
Bool	rep_init
Bool	forced_period_switch
u64	first_cts
u64	first_dts
s64	pts_minus_cts
Bool	is_encrypted
u64	presentation_time_offset
u32	mpd_timescale
u64	seg_start_time
Bool	split_set_names
Bool	skip_tpl_reuse
u64	max_period_dur
GF_Filter *	dst_filter
char *	src_url
char *	init_seg
char *	seg_template
char *	idx_template
u32	nb_sap_3
u32	nb_sap_4
u32	pid_id
u32	dep_pid_id
u32	nb_samples_in_source
u32	sync_points_type
GF_List *	pending_segment_urls
GF_List *	pending_segment_states
u64	next_seg_start
u64	adjusted_next_seg_start
u64	force_rep_end
Bool	segment_started
u64	first_cts_in_seg
u64	first_cts_in_next_seg
u64	min_cts_in_seg_plus_one
u64	est_first_cts_in_next_seg
u64	last_cts
u64	last_dts
u64	cumulated_dur
Double	cumulated_subdur
Bool	subdur_done
u64	subdur_forced_use_period_dur
u64	nb_pck
u64	est_next_dts
u64	seek_to_pck
u64	ts_offset
u32	nb_repeat
Bool	splitable
u32	loop_state
u32	split_dur_next
u32	moof_sn_inc
u32	moof_sn
GF_Fraction64	clamped_dur
u32	nb_segments_purged
Double	dur_purged
Bool	tile_base
Bool	tile_dep_id_merged
struct _dash_stream *	merged_tile_dep
u32	cues_timescale
u32	nb_cues
GF_DASHCueInfo *	cues
Bool	cues_use_edits
s32	cues_ts_offset
Bool	inband_cues
Bool	clamp_done
u32	dcd_not_ready
Bool	reschedule
GF_Fraction64	duration
GF_List *	packet_queue
u32	nb_sap_in_queue
u32	sbound
u32	request_period_switch
Double	gm_duration_total
Double	gm_duration_min
Double	gm_duration_max
u32	gm_nb_segments
Bool	no_seg_dur
u64	hls_ref_id
GF_DASH_SegmentContext *	current_seg_state
Bool	transcode_detected
GF_CryptInfo *	cinfo
GF_TrackCryptInfo *	tci
u64	iv_low
u64	iv_high
u32	key_idx
u32	nb_crypt_seg
Bool	dyn_bitrate
u64	rate_first_dts_plus_one
u64	rate_last_dts
u64	rate_media_size
u64	period_continuity_next_cts
u64	last_min_segment_start_time
Bool	stl
Bool	set_period_switch
u32	all_stsd_crc
u64	frag_start_offset
u64	frag_first_ftdt
u32	tpl_use_time
Bool	last_stl_is_ll

DashTemplateRecord

struct DashTemplateRecord

Data Fields
char *	tpl
u32	nb_reused

PeriodInfo

struct PeriodInfo

Collaboration diagram for PeriodInfo:

Data Fields
GF_Fraction64	period_start
const char *	period_id

Macro Definition Documentation

DEFAULT_PERIOD_ID

#define DEFAULT_PERIOD_ID   "_gf_dash_def_period"

CHECK_PROP

#define CHECK_PROP	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p && (p->value.uint != _mem) && _mem) period_switch = GF_TRUE; \
        if (p) _mem = p->value.uint; \

CHECK_PROPL

#define CHECK_PROPL	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p && (p->value.longuint != _mem) && _mem) period_switch = GF_TRUE; \
        if (p) _mem = p->value.longuint; \

CHECK_PROP_BOOL

#define CHECK_PROP_BOOL	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p && (p->value.boolean != _mem) && _mem) period_switch = GF_TRUE; \
        if (p) _mem = p->value.uint; \

CHECK_PROP_FRAC

#define CHECK_PROP_FRAC	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p && (p->value.frac.num * _mem.den != p->value.frac.den * _mem.num) && _mem.den && _mem.num) period_switch = GF_TRUE; \
        if (p) _mem = p->value.frac; \

CHECK_PROP_FRAC64

#define CHECK_PROP_FRAC64	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p && (p->value.lfrac.num * _mem.den != p->value.lfrac.den * _mem.num) && _mem.den && _mem.num) period_switch = GF_TRUE; \
        if (p) _mem = p->value.lfrac; \

CHECK_PROP_STR

#define CHECK_PROP_STR	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p && p->value.string && _mem && strcmp(_mem, p->value.string)) period_switch = GF_TRUE; \
        if (p) { \
                if (_mem) gf_free(_mem); \
                _mem = gf_strdup(p->value.string); \
        }\

CHECK_PROP_PROP

#define CHECK_PROP_PROP	(		_type,
			_mem,
			_e
	)

Value:

        p = gf_filter_pid_get_property(pid, _type); \
        if (!p && (_e<=0) ) return _e; \
        if (p != _mem) period_switch = GF_TRUE;\
        _mem = p; \

CHECK_VAL

#define CHECK_VAL	(		_name,
			_v
	)		if (rep->_name != n_rep->_name) { rep->_name = n_rep->_name; transcode_detected = GF_TRUE; if (_v) recompute_set = GF_TRUE; }

CHECK_STR

#define CHECK_STR

(

_name

)

Value:

        if (rep->_name && n_rep->_name && !strcmp(rep->_name, n_rep->_name)) {} \
        else if (!rep->_name && !n_rep->_name) {}\
        else { \
                if (rep->_name) gf_free(rep->_name); \
                rep->_name = n_rep->_name ? gf_strdup(n_rep->_name) : NULL; \
                transcode_detected = GF_TRUE; \
        }

CHECK_FRAC

#define CHECK_FRAC

(

_name

)

Value:

        if (rep->_name && n_rep->_name && (rep->_name->num * n_rep->_name->den == rep->_name->den * n_rep->_name->num)) {} \
        else if (!n_rep->_name) {}\
        else { \
                if (rep->_name) gf_free(rep->_name); \
                if (n_rep->_name) { rep->_name = gf_malloc(sizeof(GF_MPD_Fractional)); memcpy(rep->_name, n_rep->_name, sizeof(GF_MPD_Fractional)); } \
                else rep->_name = NULL; \
                transcode_detected = GF_TRUE; \
        }

RESET_PROP_STR

#define RESET_PROP_STR

(

_prop

)

if (_prop) gf_free(_prop);

MPD_EXTS

#define MPD_EXTS   "mpd|m3u8|3gm|ism|ghix|ghi"

MPD_MIMES

#define MPD_MIMES   "application/dash+xml|video/vnd.3gpp.mpd|audio/vnd.3gpp.mpd|video/vnd.mpeg.dash.mpd|audio/vnd.mpeg.dash.mpd|audio/mpegurl|video/mpegurl|application/vnd.ms-sstr+xml|application/x-gpac-ghi|application/x-gpac-ghix"

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_DasherCtx, _n)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DASHER_BS_SWITCH_DEF
DASHER_BS_SWITCH_OFF
DASHER_BS_SWITCH_ON
DASHER_BS_SWITCH_INBAND
DASHER_BS_SWITCH_INBAND_PPS
DASHER_BS_SWITCH_BOTH
DASHER_BS_SWITCH_FORCE
DASHER_BS_SWITCH_MULTI

DasherUTCTimingType

enum DasherUTCTimingType

Enumerator
DASHER_UTCREF_NONE
DASHER_UTCREF_NTP
DASHER_UTCREF_HTTP_HEAD
DASHER_UTCREF_ISO
DASHER_UTCREF_XSDATE
DASHER_UTCREF_INBAND

anonymous enum

anonymous enum

Enumerator
DASHER_NTP_REM
DASHER_NTP_YES
DASHER_NTP_KEEP

anonymous enum

anonymous enum

Enumerator
DASHER_SAP_OFF
DASHER_SAP_SIG
DASHER_SAP_ON
DASHER_SAP_INTRA_ONLY

anonymous enum

anonymous enum

Enumerator
DASHER_BOUNDS_OUT
DASHER_BOUNDS_CLOSEST
DASHER_BOUNDS_IN

anonymous enum

anonymous enum

Enumerator
DASHER_MUX_ISOM
DASHER_MUX_TS
DASHER_MUX_MKV
DASHER_MUX_WEBM
DASHER_MUX_OGG
DASHER_MUX_RAW
DASHER_MUX_AUTO

anonymous enum

anonymous enum

Enumerator
DASHER_MPHA_NO
DASHER_MPHA_COMP_ONLY
DASHER_MPHA_ALL

anonymous enum

anonymous enum

Enumerator
DASHER_FWD_NO
DASHER_FWD_SEGS
DASHER_FWD_ALL

anonymous enum

anonymous enum

Enumerator
DASHER_SYNC_UNKNOWN
DASHER_SYNC_NONE
DASHER_SYNC_PRESENT

anonymous enum

anonymous enum

Enumerator
DASHER_CMAF_NONE
DASHER_CMAF_CMFC
DASHER_CMAF_CMF2

anonymous enum

anonymous enum

Enumerator
DASHER_DEFKID_OFF
DASHER_DEFKID_ON
DASHER_DEFKID_AUTO

anonymous enum

anonymous enum

Enumerator
DASHER_PSWITCH_SINGLE
DASHER_PSWITCH_FORCE
DASHER_PSWITCH_STSD

anonymous enum

anonymous enum

Enumerator
DASHER_SEGSYNC_NO
DASHER_SEGSYNC_YES
DASHER_SEGSYNC_AUTO

anonymous enum

anonymous enum

Enumerator
IDXMODE_NONE
IDXMODE_ALL
IDXMODE_MANIFEST
IDXMODE_CHILD
IDXMODE_INIT
IDXMODE_SEG

anonymous enum

anonymous enum

Enumerator
SFLUSH_OFF
SFLUSH_SINGLE
SFLUSH_END

DasherHDRType

enum DasherHDRType

Enumerator
DASHER_HDR_NONE
DASHER_HDR_PQ10
DASHER_HDR_HLG

anonymous enum

anonymous enum

Enumerator
DASH_INITSEG_PRESENT
DASH_INITSEG_NONE
DASH_INITSEG_SKIP

Function Documentation

gf_filter_pid_get_destination_ex()

char* gf_filter_pid_get_destination_ex	(	GF_FilterPid *	pid,
		u32	dst_idx
	)

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gf_filter_skip_seg_size_events()

void gf_filter_skip_seg_size_events

(

GF_Filter *

f

)

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gf_filter_pid_force_single_link()

void gf_filter_pid_force_single_link

(

GF_FilterPid *

pid

)

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gf_filter_pid_disable_clone()

void gf_filter_pid_disable_clone

(

GF_FilterPid *

pid

)

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dasher_flush_segment()

static void dasher_flush_segment ( GF_DasherCtx *  ctx, GF_DashStream *  ds, Bool  is_last_in_period  )

static

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dasher_update_rep()

static void dasher_update_rep ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_reset_stream()

static void dasher_reset_stream ( GF_Filter *  filter, GF_DashStream *  ds, Bool  is_destroy  )

static

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dasher_update_period_duration()

static void dasher_update_period_duration ( GF_DasherCtx *  ctx, Bool  is_period_switch  )

static

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dasher_setup_period()

static GF_Err dasher_setup_period ( GF_Filter *  filter, GF_DasherCtx *  ctx, GF_DashStream *  for_ds  )

static

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dasher_setup_profile()

static GF_Err dasher_setup_profile ( GF_DasherCtx *  ctx )

static

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dasher_new_period()

static GF_DasherPeriod* dasher_new_period ( )

static

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dasher_get_audio_info_with_m4a_sbr_ps()

static GF_Err dasher_get_audio_info_with_m4a_sbr_ps ( GF_DashStream *  ds, const GF_PropertyValue *  dsi, u32 *  SampleRate, u32 *  Channels  )

static

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dasher_ensure_outpath()

static void dasher_ensure_outpath ( GF_DasherCtx *  ctx )

static

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dasher_hls_setup_crypto()

static GF_Err dasher_hls_setup_crypto ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_get_dep_bitrate()

static u32 dasher_get_dep_bitrate ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_update_bitrate()

static void dasher_update_bitrate ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_stream_period_changed()

static GF_Err dasher_stream_period_changed ( GF_Filter *  filter, GF_DasherCtx *  ctx, GF_DashStream *  ds, Bool  is_new_period_request  )

static

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dasher_get_dash_dur()

static void dasher_get_dash_dur ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_send_encode_hints()

static void dasher_send_encode_hints ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_template_use_source_url()

static Bool dasher_template_use_source_url ( const char *  template )

static

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dasher_configure_pid()

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

static

GPAC_DISABLE_AV_PARSERS

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dasher_check_chaining()

static void dasher_check_chaining ( GF_DasherCtx *  ctx, char *  scheme_id, char *  url  )

static

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dasher_update_mpd()

static GF_Err dasher_update_mpd ( GF_DasherCtx *  ctx )

static

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dasher_setup_mpd()

static GF_Err dasher_setup_mpd ( GF_DasherCtx *  ctx )

static

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dasher_get_rfc_6381_codec_name()

static GF_Err dasher_get_rfc_6381_codec_name ( GF_DasherCtx *  ctx, GF_DashStream *  ds, char *  szCodec, Bool  force_inband, Bool  force_sbr  )

static

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get_base_ds()

static GF_DashStream* get_base_ds ( GF_DasherCtx *  ctx, GF_DashStream *  for_ds  )

static

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get_canon_urn()

static void get_canon_urn ( bin128  URN, char *  res  )

static

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get_drm_kms_name()

static const char* get_drm_kms_name ( const char *  canURN )

static

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dasher_get_content_protection_desc()

static GF_List* dasher_get_content_protection_desc ( GF_DasherCtx *  ctx, GF_DashStream *  ds, GF_MPD_AdaptationSet *  for_set  )

static

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dasher_get_mime_and_ext()

static void dasher_get_mime_and_ext ( GF_DasherCtx *  ctx, GF_DashStream *  ds, const char **  out_subtype, const char **  out_ext  )

static

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dasher_setup_rep()

static void dasher_setup_rep ( GF_DasherCtx *  ctx, GF_DashStream *  ds, u32 *  srd_rep_idx  )

static

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dasher_same_roles()

static Bool dasher_same_roles ( GF_DashStream *  ds1, GF_DashStream *  ds2  )

static

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dasher_get_next_as_id()

static u32 dasher_get_next_as_id ( GF_DasherCtx *  ctx )

static

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dasher_same_adaptation_set()

static Bool dasher_same_adaptation_set ( GF_DasherCtx *  ctx, GF_DashStream *  ds, GF_DashStream *  ds_test  )

static

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dasher_add_descriptors()

static void dasher_add_descriptors ( GF_List **  p_dst_list, const GF_PropertyValue *  desc_val  )

static

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dasher_add_inband_event()

static void dasher_add_inband_event ( GF_DashStream *  ds )

static

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dasher_setup_set_defaults()

static void dasher_setup_set_defaults ( GF_DasherCtx *  ctx, GF_MPD_AdaptationSet *  set  )

static

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rewrite_dep_ids()

static void rewrite_dep_ids ( GF_DasherCtx *  ctx, GF_DashStream *  base_ds  )

static

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dasher_check_bitstream_switching()

static void dasher_check_bitstream_switching ( GF_DasherCtx *  ctx, GF_MPD_AdaptationSet *  set  )

static

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gf_cryptfout_push_key()

GF_Err gf_cryptfout_push_key	(	GF_Filter *	filter,
		bin128 *	key,
		bin128 *	IV
	)

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dasher_open_destination()

static void dasher_open_destination ( GF_Filter *  filter, GF_DasherCtx *  ctx, GF_MPD_Representation *  rep, const char *  szInitURL, u32  trash_init  )

static

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dasher_gather_deps()

static void dasher_gather_deps ( GF_DasherCtx *  ctx, u32  dependency_id, GF_List *  multi_tracks  )

static

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dasher_update_dep_list()

static void dasher_update_dep_list ( GF_DasherCtx *  ctx, GF_DashStream *  ds, const char *  ref_type  )

static

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dasher_inject_scte35_processor()

static void dasher_inject_scte35_processor ( GF_Filter *  filter, GF_DashStream *  ds, char *  szSRC  )

static

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dasher_open_pid()

static void dasher_open_pid ( GF_Filter *  filter, GF_DasherCtx *  ctx, GF_DashStream *  ds, GF_List *  multi_pids, Bool  init_trashed  )

static

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dasher_set_content_components()

static void dasher_set_content_components ( GF_DashStream *  ds )

static

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dasher_cat_mpd_url()

static char* dasher_cat_mpd_url ( GF_DasherCtx *  ctx, GF_DashStream *  ds, const char *  url  )

static

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dasher_check_template_reuse()

static u32 dasher_check_template_reuse ( GF_DasherCtx *  ctx, GF_DashStream *  ds, const char *  tpl  )

static

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dasher_check_hls_variant_path()

static Bool dasher_check_hls_variant_path ( GF_DasherCtx *  ctx, GF_DashStream *  ds, GF_DashStream *  a_ds  )

static

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dasher_setup_sources()

static void dasher_setup_sources ( GF_Filter *  filter, GF_DasherCtx *  ctx, GF_MPD_AdaptationSet *  set  )

static

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dasher_purge_segment_timeline()

static void dasher_purge_segment_timeline ( GF_DashStream *  ds, GF_MPD_SegmentTimeline *  stl, GF_DASH_SegmentContext *  sctx  )

static

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dasher_purge_segments()

static void dasher_purge_segments ( GF_DasherCtx *  ctx, u64 *  period_dur  )

static

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dasher_transfer_file()

static void dasher_transfer_file ( FILE *  f, GF_FilterPid *  opid, const char *  name, GF_DashStream *  ds, Bool  is_rel_url  )

static

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dasher_get_utc()

static u64 dasher_get_utc ( GF_DasherCtx *  ctx )

static

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dasher_get_set_and_rep()

static void dasher_get_set_and_rep ( GF_MPD_Period *  period, const char *  repid, GF_MPD_AdaptationSet **  out_set, GF_MPD_Representation **  out_rep  )

static

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dasher_merge_rep()

static Bool dasher_merge_rep ( GF_DashStream *  ds, GF_MPD_Representation *  rep  )

static

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dasher_forward_manifest_raw()

static void dasher_forward_manifest_raw ( GF_DasherCtx *  ctx, GF_DashStream *  ds, const char *  manifest, const char *  manifest_name  )

static

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dasher_forward_mpd()

static void dasher_forward_mpd ( GF_DasherCtx *  ctx, const char *  manifest  )

static

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dasher_write_index()

static GF_Err dasher_write_index ( GF_DasherCtx *  ctx, GF_FilterPid *  opid  )

static

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dasher_write_and_send_manifest()

static GF_Err dasher_write_and_send_manifest ( GF_DasherCtx *  ctx, u64  last_period_dur, Bool  do_m3u8, Bool  m3u8_second_pass, GF_FilterPid *  opid, char *  alt_name  )

static

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dasher_update_dyn_bitrates()

static void dasher_update_dyn_bitrates ( GF_DasherCtx *  ctx )

static

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dasher_send_manifest()

GF_Err dasher_send_manifest	(	GF_Filter *	filter,
		GF_DasherCtx *	ctx,
		Bool	for_mpd_only
	)

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dasher_context_update_period_end()

void dasher_context_update_period_end

(

GF_DasherCtx *

ctx

)

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dasher_context_update_period_start()

void dasher_context_update_period_start

(

GF_DasherCtx *

ctx

)

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dasher_get_stream()

static GF_DashStream* dasher_get_stream ( GF_DasherCtx *  ctx, const char *  src_url, u32  original_pid, const char *  original_period_id, const char *  original_rep_id  )

static

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dasher_reload_muxed_comp()

static GF_Err dasher_reload_muxed_comp ( GF_DasherCtx *  ctx, GF_DashStream *  base_ds, GF_MPD_Representation *  base_rep_ctx, Bool  check_only  )

static

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dasher_reload_context()

static GF_Err dasher_reload_context ( GF_Filter *  filter, GF_DasherCtx *  ctx  )

static

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dasher_udpate_periods_and_manifest()

static void dasher_udpate_periods_and_manifest ( GF_Filter *  filter, GF_DasherCtx *  ctx  )

static

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dasher_period_count()

static u32 dasher_period_count ( GF_List *  streams_in )

static

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dasher_init_utc()

static void dasher_init_utc ( GF_Filter *  filter, GF_DasherCtx *  ctx  )

static

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dasher_switch_period()

static GF_Err dasher_switch_period ( GF_Filter *  filter, GF_DasherCtx *  ctx  )

static

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dasher_setup_ssr()

static GF_Err dasher_setup_ssr ( GF_DasherCtx *  ctx )

static

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dasher_insert_timeline_entry()

static void dasher_insert_timeline_entry ( GF_DasherCtx *  ctx, GF_DashStream *  ds, Bool  is_ll_anouncement  )

static

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dasher_copy_segment_timelines()

static void dasher_copy_segment_timelines ( GF_DasherCtx *  ctx, GF_MPD_AdaptationSet *  set  )

static

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dasher_set_timeline_parts()

static void dasher_set_timeline_parts ( GF_DasherCtx *  ctx, GF_DashStream *  ds, GF_DASH_SegmentContext *  sctx  )

static

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dasher_strip_base()

static char* dasher_strip_base ( GF_DasherCtx *  ctx, GF_DashStream *  ds, char *  seg_url, char *  seg_name  )

static

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dasher_translate_cts()

static GFINLINE u64 dasher_translate_cts ( GF_DashStream *  ds, u64  cts  )

static

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dasher_mark_segment_start()

static void dasher_mark_segment_start ( GF_DasherCtx *  ctx, GF_DashStream *  ds, GF_FilterPacket *  pck, GF_FilterPacket *  in_pck  )

static

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dasher_check_loop()

static Bool dasher_check_loop ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_check_period_ready()

static Bool dasher_check_period_ready ( GF_DasherCtx *  ctx, Bool  is_session_end  )

static

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dasher_format_report()

void dasher_format_report	(	GF_Filter *	filter,
		GF_DasherCtx *	ctx
	)

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dasher_drop_input()

static void dasher_drop_input ( GF_DasherCtx *  ctx, GF_DashStream *  ds, Bool  discard_all  )

static

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dasher_inject_eods()

static void dasher_inject_eods ( GF_DasherCtx *  ctx, GF_DashStream *  ds, Bool  forced  )

static

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dasher_send_empty_segment()

static void dasher_send_empty_segment ( GF_DasherCtx *  ctx, GF_DashStream *  ds  )

static

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dasher_process()

static GF_Err dasher_process ( GF_Filter *  filter )

static

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dasher_resume_subdur()

static void dasher_resume_subdur ( GF_Filter *  filter, GF_DasherCtx *  ctx  )

static

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dasher_process_hls_ll()

static void dasher_process_hls_ll ( GF_DasherCtx *  ctx, const GF_FilterEvent *  evt  )

static

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dasher_process_event()

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

static

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dasher_initialize()

static GF_Err dasher_initialize ( GF_Filter *  filter )

static

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dasher_finalize()

static void dasher_finalize ( GF_Filter *  filter )

static

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dasher_register()

const GF_FilterRegister* dasher_register

(

GF_FilterSession *

session

)

Variable Documentation

empty_ttml

const char* empty_ttml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tt xmlns=\"http://www.w3.org/ns/ttml\" xml:lang=\"en\">\n<head/>\n<body/>\n</tt>"

static

DasherCaps

const GF_FilterCapability DasherCaps[]

static

DasherArgs

const GF_FilterArgs DasherArgs[]

static

DasherRegister

GF_FilterRegister DasherRegister