filelist.c File Reference

#include <gpac/filters.h>
#include <gpac/constants.h>
#include <gpac/thread.h>
#include <gpac/list.h>
#include <gpac/bitstream.h>
#include <gpac/isomedia.h>
#include <gpac/network.h>
#include <gpac/avparse.h>

Include dependency graph for filelist.c:

Data Structures
struct	RawAudioInfo
struct	FileListPid
struct	FileListEntry
struct	GF_FileListCtx

Macros
#define	SET_SOURCE(_filter, _from)
#define	OFFS(_n)   #_n, offsetof(GF_FileListCtx, _n)

Enumerations
enum	{ FLIST_STATE_STOP =0 , FLIST_STATE_PLAY , FLIST_STATE_WAIT_PLAY }
enum	{   FL_SORT_NONE =0 , FL_SORT_NAME , FL_SORT_SIZE , FL_SORT_DATE ,   FL_SORT_DATEX }
enum	{ FL_SPLICE_NONE =0 , FL_SPLICE_BEFORE , FL_SPLICE_ACTIVE , FL_SPLICE_AFTER }
enum	{ FL_RAW_AV =0 , FL_RAW_AUDIO , FL_RAW_VIDEO , FL_RAW_NO }
enum	{ FL_SPLICE_DELTA = 1 , FL_SPLICE_FRAME = 1<<1 }

Functions
static void	filelist_start_ipid (GF_FileListCtx *ctx, FileListPid *iopid, u32 prev_timescale, Bool is_reassign)
static Bool	filelist_merge_prop (void *cbk, u32 prop_4cc, const char *prop_name, const GF_PropertyValue *src_prop)
static void	filelist_push_period_id (GF_FileListCtx *ctx, GF_FilterPid *opid)
static void	filelist_override_caps (GF_Filter *filter, GF_FileListCtx *ctx)
static GF_Err	filelist_configure_pid (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static Bool	filelist_process_event (GF_Filter *filter, const GF_FilterEvent *evt)
static void	filelist_check_implicit_cat (GF_FileListCtx *ctx, char *szURL)
static void	filelist_parse_splice_time (char *aval, GF_Fraction64 *frac, u32 *flags)
static void	push_chapter (GF_FileListCtx *ctx, char *chap_name)
static Bool	filelist_next_url (GF_Filter *filter, GF_FileListCtx *ctx, char szURL[GF_MAX_PATH], Bool is_splice_update)
static Bool	filelist_on_filter_setup_error (GF_Filter *failed_filter, void *udta, GF_Err err)
static GF_Err	filelist_load_next (GF_Filter *filter, GF_FileListCtx *ctx)
static s64	filelist_translate_splice_cts (FileListPid *iopid, u64 cts)
static Bool	filelist_check_splice (GF_FileListCtx *ctx)
void	filelist_copy_raw_audio (FileListPid *iopid, const u8 *src, u32 src_size, u32 offset, u8 *dst, u32 nb_samp, RawAudioInfo *ra)
static void	filelist_forward_splice_pck (FileListPid *iopid, GF_FilterPacket *pck)
static void	filelist_purge_slice (GF_FileListCtx *ctx)
void	filelist_send_packet (GF_FileListCtx *ctx, FileListPid *iopid, GF_FilterPacket *pck, Bool is_splice_forced)
static GF_Err	filelist_process (GF_Filter *filter)
static void	filelist_add_entry (GF_FileListCtx *ctx, FileListEntry *fentry)
static Bool	filelist_enum (void *cbck, char *item_name, char *item_path, GF_FileEnumInfo *file_info)
static GF_Err	filelist_initialize (GF_Filter *filter)
static void	filelist_finalize (GF_Filter *filter)
static const char *	filelist_probe_data (const u8 *data, u32 size, GF_FilterProbeScore *score)
const GF_FilterRegister *	flist_register (GF_FilterSession *session)

Variables
static const GF_FilterCapability	FileListCapsSrc []
static const GF_FilterCapability	FileListCapsSrc_RAW_AV []
static const GF_FilterCapability	FileListCapsSrc_RAW_A []
static const GF_FilterCapability	FileListCapsSrc_RAW_V []
static const GF_FilterArgs	GF_FileListArgs []
static const GF_FilterCapability	FileListCaps []
GF_FilterRegister	FileListRegister

---

Data Structure Documentation

RawAudioInfo

struct RawAudioInfo

Data Fields
Bool	is_raw
Bool	planar
u32	nb_ch
u32	abps
u32	sample_rate

FileListPid

struct FileListPid

Collaboration diagram for FileListPid:

Data Fields
GF_FilterPid *	ipid
GF_FilterPid *	opid
GF_FilterPid *	opid_aux
u32	stream_type
u64	max_cts
u64	max_dts
u32	o_timescale
u32	timescale
u64	cts_o
u64	dts_o
Bool	single_frame
Bool	is_eos
u64	dts_sub
u64	first_dts_plus_one
u64	prev_max_dts
u64	prev_cts_o
u64	prev_dts_o
Bool	skip_dts_init
u32	play_state
Bool	send_cue
s32	delay
s32	initial_delay
RawAudioInfo	ra_info
RawAudioInfo	splice_ra_info
s32	audio_samples_to_keep
GF_FilterPid *	splice_ipid
Bool	splice_ready
u64	cts_o_splice
u64	dts_o_splice
u64	dts_sub_splice
u32	timescale_splice
s32	splice_delay
Bool	wait_rap

FileListEntry

struct FileListEntry

Data Fields
char *	file_name
u64	last_mod_time
u64	file_size

GF_FileListCtx

struct GF_FileListCtx

Collaboration diagram for GF_FileListCtx:

Data Fields
Bool	revert
Bool	sigcues
Bool	fdel
Bool	keepts
Bool	flush
u32	raw
s32	floop
u32	fsort
u32	ka
u64	timeout
GF_PropStringList	srcs
GF_Fraction	fdur
u32	timescale
GF_FilterPid *	file_pid
char *	file_path
u32	last_url_crc
u32	last_url_lineno
u32	last_splice_crc
u32	last_splice_lineno
Bool	load_next
GF_List *	filter_srcs
GF_List *	io_pids
Bool	is_eos
GF_Fraction64	cts_offset
GF_Fraction64	dts_offset
GF_Fraction64	wait_dts_plus_one
GF_Fraction64	dts_sub_plus_one
u32	sync_init_time
GF_Fraction64	prev_cts_offset
GF_Fraction64	prev_dts_offset
u32	nb_repeat
Double	start
Double	stop
Bool	do_cat
Bool	do_del
Bool	src_error
u64	start_range
u64	end_range
GF_List *	file_list
s32	file_list_idx
u64	current_file_dur_us
Bool	last_is_isom
u32	wait_update_start
u64	last_file_modif_time
Bool	skip_sync
Bool	first_loaded
char *	frag_url
char *	unknown_params
char *	pid_props
Bool	flushed
GF_Fraction64	splice_start
GF_Fraction64	splice_end
u32	flags_splice_start
u32	flags_splice_end
u32	splice_state
FileListPid *	splice_ctrl
u64	splice_end_cts
u64	splice_start_cts
u64	spliced_current_cts
Bool	wait_splice_start
Bool	wait_splice_end
Bool	wait_source
GF_Fraction64	cts_offset_at_splice
GF_Fraction64	dts_offset_at_splice
GF_Fraction64	dts_sub_plus_one_at_splice
GF_List *	splice_srcs
char *	dyn_period_id
u32	cur_splice_index
u32	splice_nb_repeat
Bool	keep_splice
Bool	mark_only
Bool	was_kept
char *	splice_props
char *	splice_pid_props
GF_Fraction64	init_splice_start
GF_Fraction64	init_splice_end
u32	init_flags_splice_start
u32	init_flags_splice_end
Double	init_start
Double	init_stop
Bool	force_splice_resume
u32	sigfrag_mode
char *	rel_url
char *	abs_url
char *	init_url
Bool	src_has_seen_eos
GF_PropUIntList	chap_times
GF_PropStringList	chap_names

Macro Definition Documentation

SET_SOURCE

#define SET_SOURCE	(		_filter,
			_from
	)

Value:

                        if (link_idx>0) { \
                                prev_filter = gf_list_get(filters, (u32) link_idx); \
                                if (!prev_filter) { \
                                        if (filters) gf_list_del(filters); \
                                        GF_LOG(GF_LOG_ERROR, GF_LOG_MEDIA, ("[FileList] Invalid link directive, filter index %d does not point to a valid filter\n")); \
                                        gf_filter_lock_all(filter, GF_FALSE);\
                                        return GF_SERVICE_ERROR; \
                                } \
                        }\
                        lsep = link_args ? strchr(link_args, ' ') : NULL; \
                        if (lsep) lsep[0] = 0; \
                        gf_filter_set_source(_filter, _from, link_args); \
                        if (lsep) lsep[0] = ' '; \
                        link_args = NULL;\
                        link_idx=-1;

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_FileListCtx, _n)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
FLIST_STATE_STOP
FLIST_STATE_PLAY
FLIST_STATE_WAIT_PLAY

anonymous enum

anonymous enum

Enumerator
FL_SORT_NONE
FL_SORT_NAME
FL_SORT_SIZE
FL_SORT_DATE
FL_SORT_DATEX

anonymous enum

anonymous enum

Enumerator
FL_SPLICE_NONE
FL_SPLICE_BEFORE
FL_SPLICE_ACTIVE
FL_SPLICE_AFTER

anonymous enum

anonymous enum

Enumerator
FL_RAW_AV
FL_RAW_AUDIO
FL_RAW_VIDEO
FL_RAW_NO

anonymous enum

anonymous enum

Enumerator
FL_SPLICE_DELTA
FL_SPLICE_FRAME

Function Documentation

filelist_start_ipid()

static void filelist_start_ipid ( GF_FileListCtx *  ctx, FileListPid *  iopid, u32  prev_timescale, Bool  is_reassign  )

static

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filelist_merge_prop()

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

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filelist_push_period_id()

static void filelist_push_period_id ( GF_FileListCtx *  ctx, GF_FilterPid *  opid  )

static

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filelist_override_caps()

static void filelist_override_caps ( GF_Filter *  filter, GF_FileListCtx *  ctx  )

static

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filelist_configure_pid()

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

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filelist_process_event()

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

static

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filelist_check_implicit_cat()

static void filelist_check_implicit_cat ( GF_FileListCtx *  ctx, char *  szURL  )

static

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filelist_parse_splice_time()

static void filelist_parse_splice_time ( char *  aval, GF_Fraction64 *  frac, u32 *  flags  )

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push_chapter()

static void push_chapter ( GF_FileListCtx *  ctx, char *  chap_name  )

static

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filelist_next_url()

static Bool filelist_next_url ( GF_Filter *  filter, GF_FileListCtx *  ctx, char  szURL[GF_MAX_PATH], Bool  is_splice_update  )

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filelist_on_filter_setup_error()

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

static

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filelist_load_next()

static GF_Err filelist_load_next ( GF_Filter *  filter, GF_FileListCtx *  ctx  )

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filelist_translate_splice_cts()

static s64 filelist_translate_splice_cts ( FileListPid *  iopid, u64  cts  )

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filelist_check_splice()

static Bool filelist_check_splice ( GF_FileListCtx *  ctx )

static

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filelist_copy_raw_audio()

void filelist_copy_raw_audio	(	FileListPid *	iopid,
		const u8 *	src,
		u32	src_size,
		u32	offset,
		u8 *	dst,
		u32	nb_samp,
		RawAudioInfo *	ra
	)

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filelist_forward_splice_pck()

static void filelist_forward_splice_pck ( FileListPid *  iopid, GF_FilterPacket *  pck  )

static

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filelist_purge_slice()

static void filelist_purge_slice ( GF_FileListCtx *  ctx )

static

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filelist_send_packet()

void filelist_send_packet	(	GF_FileListCtx *	ctx,
		FileListPid *	iopid,
		GF_FilterPacket *	pck,
		Bool	is_splice_forced
	)

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filelist_process()

static GF_Err filelist_process ( GF_Filter *  filter )

static

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filelist_add_entry()

static void filelist_add_entry ( GF_FileListCtx *  ctx, FileListEntry *  fentry  )

static

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filelist_enum()

static Bool filelist_enum ( void *  cbck, char *  item_name, char *  item_path, GF_FileEnumInfo *  file_info  )

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filelist_initialize()

static GF_Err filelist_initialize ( GF_Filter *  filter )

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filelist_finalize()

static void filelist_finalize ( GF_Filter *  filter )

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filelist_probe_data()

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

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flist_register()

const GF_FilterRegister* flist_register

(

GF_FilterSession *

session

)

Variable Documentation

FileListCapsSrc

const GF_FilterCapability FileListCapsSrc[]

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),
}

FileListCapsSrc_RAW_AV

const GF_FilterCapability FileListCapsSrc_RAW_AV[]

static

Initial value:

=
{
        
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_IN_OUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_ENCRYPTED),
        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),
}

FileListCapsSrc_RAW_A

const GF_FilterCapability FileListCapsSrc_RAW_A[]

static

Initial value:

=
{
        
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_AUDIO),
        CAP_UINT(GF_CAPS_IN_OUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_ENCRYPTED),
        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),
}

FileListCapsSrc_RAW_V

const GF_FilterCapability FileListCapsSrc_RAW_V[]

static

Initial value:

=
{
        
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_INPUT_OUTPUT,  GF_PROP_PID_CODECID, GF_CODECID_RAW),
        {0},
        
        CAP_UINT(GF_CAPS_INPUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_VISUAL),
        CAP_UINT(GF_CAPS_IN_OUT_EXCLUDED,  GF_PROP_PID_STREAM_TYPE, GF_STREAM_ENCRYPTED),
        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),
}

GF_FileListArgs

const GF_FilterArgs GF_FileListArgs[]

static

Initial value:

=
{
        { OFFS(floop), "loop playlist/list of files, `0` for one time, `n` for n+1 times, `-1` for indefinitely", GF_PROP_SINT, "0", NULL, 0},
        { OFFS(srcs), "list of files to play", GF_PROP_STRING_LIST, NULL, NULL, 0},
        { OFFS(fdur), "frame duration for source files with a single frame (0/NaN fraction means reuse source timing which is usually not set!)", GF_PROP_FRACTION, "1/25", NULL, 0},
        { OFFS(revert), "revert list of files ([-srcs](), not playlist)", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(timescale), "force output timescale on all PIDs (0 uses the timescale of the first PID found)", GF_PROP_UINT, "0", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(ka), "keep playlist alive (disable loop), waiting for a new input to be added or `#end` directive to end playlist. The value specifies the refresh rate in ms", GF_PROP_UINT, "0", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(timeout), "timeout in ms after which the playlist is considered dead (`-1` means indefinitely)", GF_PROP_LUINT, "-1", NULL, GF_FS_ARG_HINT_ADVANCED},
 
        { OFFS(fsort), "sort list of files\n"
                "- no: no sorting, use default directory enumeration of OS\n"
                "- name: sort by alphabetical name\n"
                "- size: sort by increasing size\n"
                "- date: sort by increasing modification time\n"
                "- datex: sort by increasing modification time"
                , GF_PROP_UINT, "no", "no|name|size|date|datex", 0},
 
        { OFFS(sigcues), "inject `CueStart` property at each source begin (new or repeated) for DASHing", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(fdel), "delete source files after processing in playlist mode (does not delete the playlist)", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(keepts), "keep initial timestamps unmodified (no reset to 0)", GF_PROP_BOOL, "false", NULL, GF_FS_ARG_HINT_ADVANCED},
        { OFFS(raw), "force input AV streams to be in raw format\n"
        "- no: do not force decoding of inputs\n"
        "- av: force decoding of audio and video inputs\n"
        "- a: force decoding of audio inputs\n"
        "- v: force decoding of video inputs", GF_PROP_UINT, "no", "av|a|v|no", GF_FS_ARG_HINT_NORMAL},
        { OFFS(flush), "send a flush signal once playlist is done before entering keepalive", GF_PROP_BOOL, "false", NULL, 0},
        {0}
}

FileListCaps

const GF_FilterCapability FileListCaps[]

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, "m3u|pl"),
        CAP_STRING(GF_CAPS_INPUT, GF_PROP_PID_MIME, "application/x-gpac-playlist"),
        CAP_UINT(GF_CAPS_OUTPUT_EXCLUDED, GF_PROP_PID_STREAM_TYPE, GF_STREAM_FILE),
}

FileListRegister

GF_FilterRegister FileListRegister