asademux.c File Reference

Include dependency graph for asademux.c:


Data Structures
struct	asa_import_state
	state of a running import More...
Defines
#define	MAXDELTA 4
	nr of times kept for delta backref
#define	MAXGROUP 24
	maximum number of regex match groups
#define	xmalloc malloc
#define	xrealloc realloc
#define	xfree free
#define	xstrdup strdup
#define	iargs struct asa_import_state state, struct asa_import_insn insn
#define	ASAI_MAX (unsigned)(sizeof(importfuncs) / sizeof(importfuncs[0]))
Typedefs
typedef int(*	asa_import_func )(struct asa_import_state state, struct asa_import_insn insn)
	asa instruction function.
Functions
static int	asai_commit (struct asa_import_state state, struct asa_import_insn insn)
	asai_commit - commit a block to the user.
static int	asai_discard (struct asa_import_state state, struct asa_import_insn insn)
	asai_discard - clear the buffer without committing.
static int	asai_break (struct asa_import_state state, struct asa_import_insn insn)
	asai_break - jump out of child.
static int	asai_select (struct asa_import_state state, struct asa_import_insn insn)
	asai_select - choose a match group to be the active one.
static int	asai_sg (struct asa_import_state state, struct asa_import_insn insn)
	asai_sg - search and replace.
static int	asai_sgu (struct asa_import_state state, struct asa_import_insn insn)
	asai_sgu - replace one time and update matches.
static int	asai_append (struct asa_import_state state, struct asa_import_insn insn)
	asai_append - append selected string to output buffer.
static int	asai_fps (struct asa_import_state state, struct asa_import_insn insn)
	asai_fps - override fps.
static int	asai_show (struct asa_import_state state, struct asa_import_insn insn)
	asai_show - set start time.
static int	asai_hide (struct asa_import_state state, struct asa_import_insn insn)
	asai_hide - set end time.
static int	asai_child (struct asa_import_state state, struct asa_import_insn insn)
	asai_child - execute childs if we match.
static void	asa_imports_crosslink (void)
	asa_imports_crosslink - resolve references in imports file.
struct asa_import_detect *	asa_imports_detect (const void *data, size_t dlen)
	asa_imports_detect - autodetect subtitle format.
static int	asai_run_insns (struct asa_import_state state, struct asa_import_insn insn)
	asai_run_insns - execute a list of instructions.
static ptrdiff_t	asai_process_replace (struct asa_import_state state, struct asa_import_insn insn, int *v, int rv)
static char **	asai_chunk_alloc (char *old, int v, int rv)
	asai_chunk_alloc - allocate composite chunk.
static void	asai_set_matches (struct asa_import_state state, const char src, int *v, int rv)
	asai_set_matches - load result from pcre_exec into matches
static int64_t	asai_gettime (struct asa_import_state state, struct asa_import_insn insn)
	asai_gettime - walk asa_tspec and sum up the time.
int	asa_import (demux_t d, const void data, size_t dlen, int64_t usecperframe, struct asa_import_detect det, asa_import_callback callback, void *arg)
int	asa_pcre_compile (asa_pcre out, const char str)
	pcre_compile wrapper.
void	asa_init_import ()
Variables
static const asa_import_func	importfuncs []
	vm functions.
struct asa_import_detect *	asa_det_first = NULL
struct asa_import_detect **	asa_det_last = &asa_det_first
struct asa_import_format *	asa_fmt_first = NULL
struct asa_import_format **	asa_fmt_last = &asa_fmt_first

Define Documentation

#define ASAI_MAX (unsigned)(sizeof(importfuncs) / sizeof(importfuncs[0]))

Referenced by asai_run_insns().

#define iargs struct asa_import_state *state, struct asa_import_insn *insn

#define MAXDELTA 4

nr of times kept for delta backref

Referenced by asai_gettime().

#define MAXGROUP 24

maximum number of regex match groups

Referenced by asai_child(), asai_sg(), and asai_sgu().

#define xfree free

Referenced by asa_import(), asai_commit(), asai_discard(), asai_select(), asai_set_matches(), asai_sg(), and asai_sgu().

#define xmalloc malloc

Referenced by asai_process_replace().

#define xrealloc realloc

Referenced by asai_append(), asai_chunk_alloc(), and asai_process_replace().

#define xstrdup strdup

Referenced by asai_select(), and asai_set_matches().

Typedef Documentation

typedef int(* asa_import_func)(struct asa_import_state *state, struct asa_import_insn *insn)

asa instruction function.

Parameters:

	state	import state
	insn	instruction to execute

Returns:: status code.
0: continue -1: restart from beginning >0: break level

Function Documentation

int asa_import	(	demux_t *	d,
		const void *	data,
		size_t	dlen,
		int64_t	usecperframe,
		struct asa_import_detect *	det,
		asa_import_callback *	callback,
		void *	arg
	)

References asai_run_insns(), callback(), asa_import_state::cb, asa_import_state::cb_arg, asa_import_state::demux, asa_import_state::end, asa_import_detect::fmt, asa_import_format::insns, asa_import_state::line, asa_import_state::matches, asa_import_state::origusecperf, asa_import_state::out, asa_import_state::outlen, asa_import_state::remain, asa_import_state::selstr, asa_import_state::start, asa_import_state::usecperf, and xfree.

static void asa_imports_crosslink ( void ) [static]

asa_imports_crosslink - resolve references in imports file.

updates asa_import_format.prevtgt, asa_import_format.nexttgt, asa_import_detect.fmt

References det, asa_import_detect::fmt, asa_import_detect::name, asa_import_format::name, asa_import_detect::next, asa_import_format::next, asa_import_format::nexttgt, and asa_import_format::prevtgt.

Referenced by asa_init_import().

struct asa_import_detect* asa_imports_detect	(	const void *	data,
		size_t	dlen
	)			`[read]`

asa_imports_detect - autodetect subtitle format.

Parameters:

	data	pointer to subtitle byte data
	datalen	byte length of data

Returns:: the detect structure that hit or NULL if detection failed

References det, asa_import_detect::next, asa_pcre::pcre, and asa_import_detect::re.

void asa_init_import ( void )

References asa_imports_crosslink(), and preparse_add().

int asa_pcre_compile	(	asa_pcre *	out,
		const char *	str
	)

pcre_compile wrapper.

used to allow loading differently for imports-to-C conversion.

Parameters:

	out	output (parsed pcre)
	str	regular expression string

Returns:: 0 on success, any other on error

References err, and asa_pcre::pcre.

static int asai_append	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_append - append selected string to output buffer.

See also:: asa_import_func

References asa_import_state::out, asa_import_state::outlen, asa_import_state::sellen, asa_import_state::selstr, and xrealloc.

static int asai_break	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_break - jump out of child.

See also:: asa_import_func

References asa_import_insn::break_depth, and asa_import_insn::v.

static int asai_child	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_child - execute childs if we match.

See also:: asa_import_func

< maximum number of regex match groups

References asai_run_insns(), asai_set_matches(), asa_import_insn::child, asa_import_state::line, MAXGROUP, asa_import_state::remain, and asa_import_insn::v.

static char** asai_chunk_alloc	(	char **	old,
		int *	v,
		int	rv
	)			`[inline, static]`

asai_chunk_alloc - allocate composite chunk.

See also:: asa_import_func

References i, and xrealloc.

Referenced by asai_set_matches().

static int asai_commit	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_commit - commit a block to the user.

See also:: asa_import_func

References asa_import_state::cb, asa_import_state::cb_arg, asa_import_state::demux, asa_import_state::end, asa_import_state::out, asa_import_state::outlen, asa_import_state::start, and xfree.

static int asai_discard	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_discard - clear the buffer without committing.

See also:: asa_import_func

References asa_import_state::out, asa_import_state::outlen, and xfree.

static int asai_fps	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_fps - override fps.

See also:: asa_import_func

References asa_import_insn::fps_value, asa_import_state::origusecperf, asa_import_state::usecperf, and asa_import_insn::v.

static int64_t asai_gettime	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_gettime - walk asa_tspec and sum up the time.

See also:: asa_import_func

Returns:: the calculated time, delta[0] on error also updates the delta history.

< nr of times kept for delta backref

References asa_import_state::delta, asa_import_state::demux, asa_tspec::fps_mult, asa_tspec::group, asa_import_state::matches, MAXDELTA, msg_Err, msg_Warn, asa_tspec::mult, asa_tspec::next, asa_import_state::nmatches, src, tsp, asa_import_insn::tspec, asa_import_state::usecperf, and asa_import_insn::v.

Referenced by asai_hide(), and asai_show().

static int asai_hide	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_hide - set end time.

See also:: asa_import_func

References asai_gettime(), and asa_import_state::end.

static ptrdiff_t asai_process_replace	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn,
		int *	v,
		int	rv
	)			`[static]`

References asa_import_state::demux, asa_repl::group, msg_Err, asa_repl::next, asa_import_state::sellen, asa_import_state::selstr, asa_import_insn::sg, src, asa_repl::text, asa_import_insn::v, xmalloc, and xrealloc.

Referenced by asai_sg(), and asai_sgu().

static int asai_run_insns	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_run_insns - execute a list of instructions.

See also:: asa_import_func

References ASAI_CHILD, ASAI_MAX, importfuncs, asa_import_insn::insn, and asa_import_insn::next.

Referenced by asa_import(), and asai_child().

static int asai_select	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_select - choose a match group to be the active one.

See also:: asa_import_func

References asa_import_state::demux, asa_import_state::matches, msg_Err, asa_import_state::nmatches, asa_import_insn::select, asa_import_state::sellen, asa_import_state::selstr, asa_import_insn::v, xfree, and xstrdup.

static void asai_set_matches	(	struct asa_import_state *	state,
		const char *	src,
		int *	v,
		int	rv
	)			`[static]`

asai_set_matches - load result from pcre_exec into matches

References asai_chunk_alloc(), i, asa_import_state::matches, asa_import_state::nmatches, asa_import_state::sellen, asa_import_state::selstr, xfree, and xstrdup.

Referenced by asai_child(), and asai_sgu().

static int asai_sg	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_sg - search and replace.

See also:: asa_import_func

< maximum number of regex match groups

References asai_process_replace(), MAXGROUP, asa_import_state::sellen, asa_import_state::selstr, asa_import_insn::sg, asa_import_insn::v, and xfree.

static int asai_sgu	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_sgu - replace one time and update matches.

See also:: asa_import_func

< maximum number of regex match groups

References asai_process_replace(), asai_set_matches(), MAXGROUP, asa_import_state::sellen, asa_import_state::selstr, asa_import_insn::sg, asa_import_insn::v, and xfree.

static int asai_show	(	struct asa_import_state *	state,
		struct asa_import_insn *	insn
	)			`[static]`

asai_show - set start time.

See also:: asa_import_func

References asai_gettime(), and asa_import_state::start.

Variable Documentation

struct asa_import_detect* asa_det_first = NULL

struct asa_import_detect ** asa_det_last = &asa_det_first

struct asa_import_format* asa_fmt_first = NULL

struct asa_import_format ** asa_fmt_last = &asa_fmt_first

const asa_import_func importfuncs[] [static]

Initial value:

 {
    asai_commit,
    asai_discard,
    asai_break,
    asai_select,
    asai_sg,
    asai_sgu,
    asai_append,
    asai_fps,
    asai_show,
    asai_hide,
    asai_child
}

vm functions.

KEEP IN SYNC WITH imports.h!

Referenced by asai_run_insns().

asademux.c File Reference

Data Structures

Defines

Typedefs

Functions

Variables

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation