dmx_dash.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/dash.h>
#include <gpac/network.h>

Include dependency graph for dmx_dash.c:

Data Structures
struct	GF_DASHDmxCtx
struct	GF_DASHGroup
struct	GF_DASHDownloadStats

Macros
#define	DASHIN_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-mpegURL|application/vnd.apple.mpegURL"
#define	DASHIN_FILE_EXT   "mpd|m3u8|3gm|ism"
#define	OFFS(_n)   #_n, offsetof(GF_DASHDmxCtx, _n)

Enumerations
enum	{ DFWD_OFF = 0 , DFWD_FILE , DFWD_SBOUND , DFWD_SBOUND_MANIFEST }
enum	{ BMIN_NO = 0 , BMIN_AUTO , BMIN_MPD }
enum	{ FLAG_PERIOD_SWITCH = 1 , FLAG_TIME_OVERFLOW = 1<<1 , FLAG_FIRST_IN_SEG = 1<<2 }
enum	{ BURL_STRIP , BURL_KEEP , BURL_INJECT }

Functions
static void	dashdmx_notify_group_quality (GF_DASHDmxCtx *ctx, GF_DASHGroup *group)
static void	dashdmx_set_string_list_prop (GF_FilterPacket *ref, u32 prop_name, GF_List **str_list)
static void	dashdmx_forward_packet (GF_DASHDmxCtx *ctx, GF_FilterPacket *in_pck, GF_FilterPid *in_pid, GF_FilterPid *out_pid, GF_DASHGroup *group)
static Bool	dashdmx_on_filter_setup_error (GF_Filter *failed_filter, void *udta, GF_Err err)
void	gf_cryptfin_set_kms (GF_Filter *f, const char *key_url, bin128 key_IV)
static GF_Err	dashdmx_load_source (GF_DASHDmxCtx *ctx, u32 group_index, const char *mime, const char *init_segment_name, u64 start_range, u64 end_range)
void	dashdmx_io_delete_cache_file (GF_DASHFileIO *dashio, GF_DASHFileIOSession session, const char *cache_url)
GF_DASHFileIOSession	dashdmx_io_create (GF_DASHFileIO *dashio, Bool persistent, const char *url, s32 group_idx)
void	dashdmx_io_del (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
GF_Err	dashdmx_io_init (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
GF_Err	dashdmx_io_run (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
const char *	dashdmx_io_get_url (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
const char *	dashdmx_io_get_cache_name (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
const char *	dashdmx_io_get_mime (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
const char *	dashdmx_io_get_header_value (GF_DASHFileIO *dashio, GF_DASHFileIOSession session, const char *header_name)
u64	dashdmx_io_get_utc_start_time (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
GF_Err	dashdmx_io_setup_from_url (GF_DASHFileIO *dashio, GF_DASHFileIOSession session, const char *url, s32 group_idx)
GF_Err	dashdmx_io_set_range (GF_DASHFileIO *dashio, GF_DASHFileIOSession session, u64 start_range, u64 end_range, Bool discontinue_cache)
u32	dashdmx_io_get_bytes_per_sec (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
GF_Err	dashdmx_io_get_status (GF_DASHFileIO *dashio, GF_DASHFileIOSession session)
static void	dashdmx_declare_group (GF_DASHDmxCtx *ctx, u32 group_idx)
void	process_base_url (char *manifest_payload, u32 manifest_payload_len, u32 keep_base_url, const char *relative_url)
void	dashdmx_io_manifest_updated (GF_DASHFileIO *dashio, const char *manifest_name, const char *cache_url, s32 group_idx)
static GF_Err	dashin_abort (GF_DASHDmxCtx *ctx)
GF_Err	dashdmx_io_on_dash_event (GF_DASHFileIO *dashio, GF_DASHEventType dash_evt, s32 group_idx, GF_Err error_code)
static void	dashdmx_setup_buffer (GF_DASHDmxCtx *ctx, GF_DASHGroup *group)
static u32	dashdmx_dash_playback_mode (GF_DASHDmxCtx *ctx)
static s32	dashdmx_group_idx_from_pid (GF_DASHDmxCtx *ctx, GF_FilterPid *src_pid)
static GF_FilterPid *	dashdmx_opid_from_group (GF_DASHDmxCtx *ctx, GF_DASHGroup *group)
static GF_FilterPid *	dashdmx_create_output_pid (GF_DASHDmxCtx *ctx, GF_FilterPid *input, u32 *run_status, GF_DASHGroup *for_group)
Bool	dashdmx_merge_prop (void *cbk, u32 prop_4cc, const char *prop_name, const GF_PropertyValue *src_prop)
static void	dashdm_format_qinfo (char **q_desc, GF_DASHQualityInfo *qinfo)
const char *	gf_dash_group_get_clearkey_uri (GF_DashClient *dash, u32 group_idx, bin128 *def_kid)
static void	dashdmx_declare_properties (GF_DASHDmxCtx *ctx, GF_DASHGroup *group, u32 group_idx, GF_FilterPid *opid, GF_FilterPid *ipid, Bool is_period_switch)
static GF_Err	dashdmx_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	dashdmx_initialize (GF_Filter *filter)
static void	dashdmx_finalize (GF_Filter *filter)
static Bool	dashdmx_process_event (GF_Filter *filter, const GF_FilterEvent *fevt)
GF_Err	gf_dash_group_push_tfrf (GF_DashClient *dash, u32 idx, void *tfrf, u32 timescale)
static void	dashdmx_update_group_stats (GF_DASHDmxCtx *ctx, GF_DASHGroup *group)
static void	dashdmx_switch_segment (GF_DASHDmxCtx *ctx, GF_DASHGroup *group)
GF_Err	dashdmx_process (GF_Filter *filter)
static const char *	dashdmx_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	dashin_register (GF_FilterSession *session)
static s32	dashdmx_rate_adaptation_ext (void *udta, u32 group_idx, u32 base_group_idx, Bool force_lower_complexity, GF_DASHCustomAlgoInfo *stats)
static s32	dashdmx_download_monitor_ext (void *udta, u32 group_idx, u32 bits_per_sec, u64 total_bytes, u64 bytes_done, u64 us_since_start, u32 buffer_dur_ms, u32 current_seg_dur)
GF_EXPORT GF_Err	gf_filter_bind_dash_algo_callbacks (GF_Filter *filter, void *udta, void(*period_reset)(void *udta, u32 type), void(*new_group)(void *udta, u32 group_idx, void *dash), s32(*rate_adaptation)(void *udta, u32 group_idx, u32 base_group_idx, Bool force_low_complex, void *stats), s32(*download_monitor)(void *udta, u32 group_idx, void *stats))

Variables
static const GF_FilterCapability	DASHDmxFileModeCaps []
static const GF_FilterArgs	DASHDmxArgs []
static const GF_FilterCapability	DASHDmxCaps []
GF_FilterRegister	DASHDmxRegister

---

Data Structure Documentation

GF_DASHGroup

struct GF_DASHGroup

Collaboration diagram for GF_DASHGroup:

Data Fields
GF_DASHDmxCtx *	ctx
GF_Filter *	seg_filter_src
u32	idx
Bool	init_switch_seg_sent
Bool	segment_sent
Bool	in_is_cryptfile
u32	nb_eos
u32	nb_pids
Bool	stats_uploaded
Bool	wait_for_pck
Bool	eos_detected
u32	next_dependent_rep_idx
u32	current_dependent_rep_idx
u64	utc_map
Bool	is_timestamp_based
Bool	pto_setup
Bool	prev_is_init_segment
Bool	init_from_media
u32	timescale
s64	pto
u64	max_cts_in_period
u64	timedisc_ts_offset
bin128	key_IV
Bool	seg_was_not_ready
Bool	in_error
Bool	is_playing
Bool	force_seg_switch
u32	nb_group_deps
u32	current_group_dep
u32	last_bw_check
u64	us_at_seg_start
Bool	signal_seg_name
Bool	init_ok
Bool	notify_quality_change
u32	seg_discard_state
u32	nb_pending
char *	template
const char *	hls_key_uri
bin128	hls_key_IV
char *	current_url
Bool	url_changed
u64	queue_ntp_ts

GF_DASHDownloadStats

struct GF_DASHDownloadStats

Data Fields
u32	bits_per_sec
u64	total_bytes
u64	bytes_done
u64	us_since_start
u32	buffer_dur
u32	current_seg_dur

Macro Definition Documentation

DASHIN_MIMES

#define DASHIN_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-mpegURL|application/vnd.apple.mpegURL"

DASHIN_FILE_EXT

#define DASHIN_FILE_EXT   "mpd|m3u8|3gm|ism"

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_DASHDmxCtx, _n)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DFWD_OFF
DFWD_FILE
DFWD_SBOUND
DFWD_SBOUND_MANIFEST

anonymous enum

anonymous enum

Enumerator
BMIN_NO
BMIN_AUTO
BMIN_MPD

anonymous enum

anonymous enum

Enumerator
FLAG_PERIOD_SWITCH
FLAG_TIME_OVERFLOW
FLAG_FIRST_IN_SEG

anonymous enum

anonymous enum

Enumerator
BURL_STRIP
BURL_KEEP
BURL_INJECT

Function Documentation

dashdmx_notify_group_quality()

static void dashdmx_notify_group_quality ( GF_DASHDmxCtx *  ctx, GF_DASHGroup *  group  )

static

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dashdmx_set_string_list_prop()

static void dashdmx_set_string_list_prop ( GF_FilterPacket *  ref, u32  prop_name, GF_List **  str_list  )

static

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dashdmx_forward_packet()

static void dashdmx_forward_packet ( GF_DASHDmxCtx *  ctx, GF_FilterPacket *  in_pck, GF_FilterPid *  in_pid, GF_FilterPid *  out_pid, GF_DASHGroup *  group  )

static

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dashdmx_on_filter_setup_error()

static Bool dashdmx_on_filter_setup_error ( GF_Filter *  failed_filter, void *  udta, GF_Err  err  )

static

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gf_cryptfin_set_kms()

void gf_cryptfin_set_kms	(	GF_Filter *	f,
		const char *	key_url,
		bin128	key_IV
	)

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dashdmx_load_source()

static GF_Err dashdmx_load_source ( GF_DASHDmxCtx *  ctx, u32  group_index, const char *  mime, const char *  init_segment_name, u64  start_range, u64  end_range  )

static

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dashdmx_io_delete_cache_file()

void dashdmx_io_delete_cache_file	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session,
		const char *	cache_url
	)

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dashdmx_io_create()

GF_DASHFileIOSession dashdmx_io_create	(	GF_DASHFileIO *	dashio,
		Bool	persistent,
		const char *	url,
		s32	group_idx
	)

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dashdmx_io_del()

void dashdmx_io_del	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_init()

GF_Err dashdmx_io_init	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_run()

GF_Err dashdmx_io_run	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_get_url()

const char* dashdmx_io_get_url	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_get_cache_name()

const char* dashdmx_io_get_cache_name	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_get_mime()

const char* dashdmx_io_get_mime	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_get_header_value()

const char* dashdmx_io_get_header_value	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session,
		const char *	header_name
	)

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dashdmx_io_get_utc_start_time()

u64 dashdmx_io_get_utc_start_time	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_setup_from_url()

GF_Err dashdmx_io_setup_from_url	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session,
		const char *	url,
		s32	group_idx
	)

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dashdmx_io_set_range()

GF_Err dashdmx_io_set_range	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session,
		u64	start_range,
		u64	end_range,
		Bool	discontinue_cache
	)

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dashdmx_io_get_bytes_per_sec()

u32 dashdmx_io_get_bytes_per_sec	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_io_get_status()

GF_Err dashdmx_io_get_status	(	GF_DASHFileIO *	dashio,
		GF_DASHFileIOSession	session
	)

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dashdmx_declare_group()

static void dashdmx_declare_group ( GF_DASHDmxCtx *  ctx, u32  group_idx  )

static

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process_base_url()

void process_base_url	(	char *	manifest_payload,
		u32	manifest_payload_len,
		u32	keep_base_url,
		const char *	relative_url
	)

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dashdmx_io_manifest_updated()

void dashdmx_io_manifest_updated	(	GF_DASHFileIO *	dashio,
		const char *	manifest_name,
		const char *	cache_url,
		s32	group_idx
	)

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dashin_abort()

static GF_Err dashin_abort ( GF_DASHDmxCtx *  ctx )

static

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dashdmx_io_on_dash_event()

GF_Err dashdmx_io_on_dash_event	(	GF_DASHFileIO *	dashio,
		GF_DASHEventType	dash_evt,
		s32	group_idx,
		GF_Err	error_code
	)

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dashdmx_setup_buffer()

static void dashdmx_setup_buffer ( GF_DASHDmxCtx *  ctx, GF_DASHGroup *  group  )

static

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dashdmx_dash_playback_mode()

static u32 dashdmx_dash_playback_mode ( GF_DASHDmxCtx *  ctx )

static

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dashdmx_group_idx_from_pid()

static s32 dashdmx_group_idx_from_pid ( GF_DASHDmxCtx *  ctx, GF_FilterPid *  src_pid  )

static

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dashdmx_opid_from_group()

static GF_FilterPid* dashdmx_opid_from_group ( GF_DASHDmxCtx *  ctx, GF_DASHGroup *  group  )

static

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dashdmx_create_output_pid()

static GF_FilterPid* dashdmx_create_output_pid ( GF_DASHDmxCtx *  ctx, GF_FilterPid *  input, u32 *  run_status, GF_DASHGroup *  for_group  )

static

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dashdmx_merge_prop()

Bool dashdmx_merge_prop	(	void *	cbk,
		u32	prop_4cc,
		const char *	prop_name,
		const GF_PropertyValue *	src_prop
	)

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dashdm_format_qinfo()

static void dashdm_format_qinfo ( char **  q_desc, GF_DASHQualityInfo *  qinfo  )

static

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gf_dash_group_get_clearkey_uri()

const char* gf_dash_group_get_clearkey_uri	(	GF_DashClient *	dash,
		u32	group_idx,
		bin128 *	def_kid
	)

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dashdmx_declare_properties()

static void dashdmx_declare_properties ( GF_DASHDmxCtx *  ctx, GF_DASHGroup *  group, u32  group_idx, GF_FilterPid *  opid, GF_FilterPid *  ipid, Bool  is_period_switch  )

static

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dashdmx_configure_pid()

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

static

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dashdmx_initialize()

static GF_Err dashdmx_initialize ( GF_Filter *  filter )

static

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dashdmx_finalize()

static void dashdmx_finalize ( GF_Filter *  filter )

static

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dashdmx_process_event()

static Bool dashdmx_process_event ( GF_Filter *  filter, const GF_FilterEvent *  fevt  )

static

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gf_dash_group_push_tfrf()

GF_Err gf_dash_group_push_tfrf	(	GF_DashClient *	dash,
		u32	idx,
		void *	tfrf,
		u32	timescale
	)

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dashdmx_update_group_stats()

static void dashdmx_update_group_stats ( GF_DASHDmxCtx *  ctx, GF_DASHGroup *  group  )

static

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dashdmx_switch_segment()

static void dashdmx_switch_segment ( GF_DASHDmxCtx *  ctx, GF_DASHGroup *  group  )

static

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dashdmx_process()

GF_Err dashdmx_process

(

GF_Filter *

filter

)

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dashdmx_probe_data()

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

static

dashin_register()

const GF_FilterRegister* dashin_register

(

GF_FilterSession *

session

)

dashdmx_rate_adaptation_ext()

static s32 dashdmx_rate_adaptation_ext ( void *  udta, u32  group_idx, u32  base_group_idx, Bool  force_lower_complexity, GF_DASHCustomAlgoInfo *  stats  )

static

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dashdmx_download_monitor_ext()

static s32 dashdmx_download_monitor_ext ( void *  udta, u32  group_idx, u32  bits_per_sec, u64  total_bytes, u64  bytes_done, u64  us_since_start, u32  buffer_dur_ms, u32  current_seg_dur  )

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gf_filter_bind_dash_algo_callbacks()

GF_EXPORT GF_Err gf_filter_bind_dash_algo_callbacks	(	GF_Filter *	filter,
		void *	udta,
		void(*)(void *udta, u32 type)	period_reset,
		void(*)(void *udta, u32 group_idx, void *dash)	new_group,
		s32(*)(void *udta, u32 group_idx, u32 base_group_idx, Bool force_low_complex, void *stats)	rate_adaptation,
		s32(*)(void *udta, u32 group_idx, void *stats)	download_monitor
	)

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Variable Documentation

DASHDmxFileModeCaps

const GF_FilterCapability DASHDmxFileModeCaps[]

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, "mpd|m3u8|3gm|ism"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "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-mpegURL|application/vnd.apple.mpegURL"),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        
        { .code=GF_PROP_PID_STREAM_TYPE, .val.type=GF_PROP_UINT, .val.value.uint=GF_STREAM_FILE, .flags=(GF_CAPFLAG_IN_BUNDLE|GF_CAPFLAG_INPUT|GF_CAPFLAG_OUTPUT|GF_CAPFLAG_LOADED_FILTER) },
}

DASHDmxArgs

const GF_FilterArgs DASHDmxArgs[]

static

DASHDmxCaps

const GF_FilterCapability DASHDmxCaps[]

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, DASHIN_FILE_EXT),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, DASHIN_MIMES),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_OUTPUT, GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        
        { .code=GF_PROP_PID_STREAM_TYPE, .val.type=GF_PROP_UINT, .val.value.uint=GF_STREAM_FILE, .flags=(GF_CAPFLAG_IN_BUNDLE|GF_CAPFLAG_INPUT|GF_CAPFLAG_EXCLUDED|GF_CAPFLAG_LOADED_FILTER) },
        { .code=GF_PROP_PID_UNFRAMED, .val.type=GF_PROP_BOOL, .val.value.boolean=GF_TRUE, .flags=(GF_CAPFLAG_IN_BUNDLE|GF_CAPFLAG_INPUT|GF_CAPFLAG_EXCLUDED|GF_CAPFLAG_LOADED_FILTER) },
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
}

DASHDmxRegister

GF_FilterRegister DASHDmxRegister