Commit 62487ef4 authored by Jean-Baptiste Kempf's avatar Jean-Baptiste Kempf

Remove unmaintained SSA demuxer

We don't need it anyway
parent 2f00cae9
......@@ -44,7 +44,6 @@ $Id$
* aout_file: Audio output to write to a file
* aout_sdl: audio output module using the SDL library
* araw: Pseudo audio decoder for raw PCM
* asademux: ASS/SSA subtitles demuxer
* asf: ASF demuxer
* atmo: Ambilight-like video-output
* au: AU file demuxer
......
......@@ -18,7 +18,6 @@ SOURCES_pva = pva.c
SOURCES_aiff = aiff.c
SOURCES_mjpeg = mjpeg.c
SOURCES_subtitle = subtitle.c
SOURCES_asademux = subtitle_asa.c asademux.c asademux_defs.h asademux.h
SOURCES_ty = ty.c ../codec/cc.h
SOURCES_vobsub = vobsub.c vobsub.h
SOURCES_voc = voc.c
......
/*****************************************************************************
* asademux.c: asa demuxer VM
*****************************************************************************
* Copyright (C) 2007 the VideoLAN team
*
* Originated from asa: portable digital subtitle renderer
*
* Authors: David Lamparter <equinox at diac24 dot net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
/****************************************************************************
* Changes from asa version:
* - headers adapted
* - external definition file support dropped
* - integer timestamps
****************************************************************************
* Please retain Linux kernel CodingStyle for sync.
* base commit d8c269b0fae9a8f8904e16e92313da165d664c74
****************************************************************************/
#include "config.h"
#include <vlc_common.h>
#include <vlc_input.h>
#include <vlc_demux.h>
#include <limits.h>
#include <string.h>
#include "asademux.h"
#define MAXDELTA 4 /**< nr of times kept for delta backref */
#define MAXGROUP 24 /**< maximum number of regex match groups */
#define xfree free
static inline char *xstrdup(const char *str)
{
char *ret = strdup (str);
if (unlikely(ret == NULL))
abort();
return ret;
}
/** state of a running import */
struct asa_import_state {
demux_t *demux; /**< demuxer for msg* funcs */
const char *line; /**< beginning of current line */
size_t remain; /**< remaining data at line */
char **matches; /**< active matchgroups */
unsigned nmatches; /**< number of matchgroups */
char *selstr; /**< buffer for currently selected */
size_t sellen; /**< strlen of selstr */
char *out; /**< output buffer (NULL if empty) */
size_t outlen; /**< length of output string w/o \0 */
int64_t usecperf, /**< microseconds per frame, active */
origusecperf, /**< microseconds per frame, from app */
start, /**< start time */
end; /**< end time */
int64_t delta[MAXDELTA]; /**< hist of last times for delta */
asa_import_callback *cb; /**< commit callback */
void *cb_arg; /**< callback argument */
};
#define iargs struct asa_import_state *state, struct asa_import_insn *insn
/** asa instruction function.
* @param state import state
* @param insn instruction to execute
* @return status code.\n
* 0: continue
* -1: restart from beginning
* >0: break level
*/
typedef int (*asa_import_func)(iargs);
static int asai_commit (iargs);
static int asai_discard(iargs);
static int asai_break (iargs);
static int asai_select (iargs);
static int asai_sg (iargs);
static int asai_sgu (iargs);
static int asai_append (iargs);
static int asai_fps (iargs);
static int asai_show (iargs);
static int asai_hide (iargs);
static int asai_child (iargs);
#undef iargs
/** vm functions. KEEP IN SYNC WITH imports.h! */
static const asa_import_func importfuncs[] = {
asai_commit,
asai_discard,
asai_break,
asai_select,
asai_sg,
asai_sgu,
asai_append,
asai_fps,
asai_show,
asai_hide,
asai_child
};
#define ASAI_MAX (unsigned)(sizeof(importfuncs) / sizeof(importfuncs[0]))
struct asa_import_detect *asa_det_first = NULL,
**asa_det_last = &asa_det_first;
struct asa_import_format *asa_fmt_first = NULL,
**asa_fmt_last = &asa_fmt_first;
/** asa_imports_crosslink - resolve references in imports file.
* updates asa_import_format.prevtgt, asa_import_format.nexttgt,
* asa_import_detect.fmt
*/
static void asa_imports_crosslink(void)
{
struct asa_import_format *fmt, *fmt2;
struct asa_import_detect *det;
for (fmt = asa_fmt_first; fmt; fmt = fmt->next) {
for (fmt2 = fmt->next; fmt2; fmt2 = fmt2->next)
if (!strcmp(fmt->name, fmt2->name)) {
fmt->nexttgt = fmt2;
fmt2->prevtgt = fmt;
break;
}
}
for (det = asa_det_first; det; det = det->next) {
det->fmt = NULL;
for (fmt = asa_fmt_first; fmt; fmt = fmt->next)
if (!strcmp(det->name, fmt->name)) {
det->fmt = fmt;
break;
}
}
}
/** asa_imports_detect - autodetect subtitle format.
* @param data pointer to subtitle byte data
* @param datalen byte length of data
* @return the detect structure that hit or NULL if detection failed
*/
struct asa_import_detect *asa_imports_detect(const void *data, size_t dlen)
{
struct asa_import_detect *det;
const char *d = (const char *)data;
int v[64];
if (dlen > 2048)
dlen = 2048;
for (det = asa_det_first; det; det = det->next)
if (pcre_exec(det->re.pcre, NULL, d, dlen, 0, 0, v, 64) >= 0)
return det;
return NULL;
}
/** asai_run_insns - execute a list of instructions.
* @see asa_import_func */
static int asai_run_insns(struct asa_import_state *state,
struct asa_import_insn *insn)
{
struct asa_import_insn *inow = insn, preload;
int rv, repeating = 0;
preload.next = insn;
for (; inow; inow = inow->next) {
if (repeating && inow->insn != ASAI_CHILD)
continue;
if (inow->insn >= ASAI_MAX)
continue;
rv = importfuncs[inow->insn](state, inow);
if (rv == -1) {
inow = &preload;
continue;
}
if (rv > 0)
return rv - 1;
}
/* ran through everything, let's try another round */
return -1;
}
/** asai_commit - commit a block to the user.
* @see asa_import_func */
static int asai_commit(struct asa_import_state *state,
struct asa_import_insn *insn)
{
int rv = 0;
if (!state->out)
return 0;
if (state->outlen > 0)
rv = state->cb(state->demux, state->cb_arg,
state->start, state->end,
state->out, state->outlen);
xfree(state->out);
state->out = NULL;
state->outlen = 0;
if (rv)
return INT_MAX;
return 0;
}
/** asai_discard - clear the buffer without committing.
* @see asa_import_func */
static int asai_discard(struct asa_import_state *state,
struct asa_import_insn *insn)
{
if (!state->out)
return 0;
xfree(state->out);
state->out = NULL;
state->outlen = 0;
return 0;
}
/** asai_break - jump out of child.
* @see asa_import_func */
static int asai_break(struct asa_import_state *state,
struct asa_import_insn *insn)
{
return insn->v.break_depth;
}
/** asai_select - choose a match group to be the active one.
* @see asa_import_func */
static int asai_select (struct asa_import_state *state,
struct asa_import_insn *insn)
{
if (insn->v.select < 0
|| (unsigned)insn->v.select >= state->nmatches) {
msg_Err(state->demux, "import script trying to "
"reference group %d, maximum is %d",
insn->v.select, state->nmatches);
return 0;
}
if (state->selstr)
xfree(state->selstr);
state->selstr = xstrdup(state->matches[insn->v.select]);
state->sellen = strlen(state->selstr);
return 0;
}
#include <stddef.h>
static ptrdiff_t asai_process_replace(struct asa_import_state *state,
struct asa_import_insn *insn, int *v, int rv)
{
struct asa_repl *r;
char *newstr;
ptrdiff_t newpos, firstold;
size_t newstr_size;
newstr_size = v[0] * 2;
newstr = (char *)xmalloc(newstr_size);
memcpy(newstr, state->selstr, v[0]);
newpos = v[0];
for (r = insn->v.sg.repl; r; r = r->next) {
size_t avail = newstr_size - newpos, need;
const char *src;
if (r->group >= rv) {
msg_Err(state->demux,
"import script trying to replace by "
"reference group %d, maximum is %d",
r->group, rv);
continue;
}
if (r->group >= 0) {
need = v[r->group * 2 + 1] - v[r->group * 2];
src = state->selstr + v[r->group * 2];
} else {
need = strlen(r->text);
src = r->text;
}
if (need > avail) {
newstr_size += need - avail + 256;
newstr = (char *)xrealloc(newstr, newstr_size);
}
memcpy(newstr + newpos, src, need);
newpos += need;
}
firstold = newpos;
newstr_size = newpos + state->sellen - v[1];
newstr = (char *)xrealloc(newstr, newstr_size + 1);
memcpy(newstr + newpos, state->selstr + v[1],
state->sellen - v[1] + 1);
state->selstr = newstr;
state->sellen = newstr_size;
return firstold;
}
/** asai_sg - search and replace.
* @see asa_import_func */
static int asai_sg(struct asa_import_state *state,
struct asa_import_insn *insn)
{
int rv, v[MAXGROUP * 2];
char *oldstr;
ptrdiff_t s = 0;
if (!state->selstr)
return 0;
while ((unsigned)s < state->sellen &&
(rv = pcre_exec(insn->v.sg.regex.pcre, NULL, state->selstr,
state->sellen, s, 0, v, MAXGROUP * 2)) >= 0) {
oldstr = state->selstr;
s = asai_process_replace(state, insn, v, rv);
xfree(oldstr);
}
return 0;
}
/** asai_chunk_alloc - allocate composite chunk.
* @see asa_import_func */
static inline char **asai_chunk_alloc(char **old, int *v, int rv)
{
size_t s = rv * sizeof(char *);
int i;
for (i = 0; i < rv; i++)
s += v[i * 2 + 1] - v[i * 2] + 1;
return (char **)xrealloc(old, s);
}
/** asai_set_matches - load result from pcre_exec into matches */
static void asai_set_matches(struct asa_import_state *state,
const char *src, int *v, int rv)
{
unsigned i;
char *dst;
state->matches = asai_chunk_alloc(state->matches, v, rv);
state->nmatches = rv;
dst = (char *)(state->matches + rv);
for (i = 0; i < state->nmatches; i++) {
size_t len = v[2 * i + 1] - v[2 * i];
state->matches[i] = dst;
memcpy(dst, src + v[2 * i], len);
dst[len] = '\0';
dst += len + 1;
}
if (state->selstr)
xfree(state->selstr);
state->selstr = xstrdup(state->matches[0]);
state->sellen = strlen(state->selstr);
}
/** asai_sgu - replace one time and update matches.
* @see asa_import_func */
static int asai_sgu(struct asa_import_state *state,
struct asa_import_insn *insn)
{
int rv, v[MAXGROUP * 2];
char *oldstr;
if (!state->selstr)
return 0;
if ((rv = pcre_exec(insn->v.sg.regex.pcre, NULL, state->selstr,
state->sellen, 0, 0, v, MAXGROUP * 2)) >= 0) {
oldstr = state->selstr;
asai_process_replace(state, insn, v, rv);
asai_set_matches(state, oldstr, v, rv);
xfree(oldstr);
}
return 0;
}
/** asai_append - append selected string to output buffer.
* @see asa_import_func */
static int asai_append (struct asa_import_state *state,
struct asa_import_insn *insn)
{
state->out = (char *)xrealloc(state->out,
state->outlen + state->sellen + 1);
memcpy(state->out + state->outlen, state->selstr, state->sellen);
state->outlen += state->sellen;
state->out[state->outlen] = '\0';
return 0;
}
/** asai_fps - override fps.
* @see asa_import_func */
static int asai_fps(struct asa_import_state *state,
struct asa_import_insn *insn)
{
if (insn->v.fps_value == 0)
state->usecperf = state->origusecperf;
else
state->usecperf = (int64_t)(1000000. / insn->v.fps_value);
return 0;
}
/** asai_gettime - walk asa_tspec and sum up the time.
* @see asa_import_func
* @return the calculated time, delta[0] on error
* also updates the delta history.
*/
static int64_t asai_gettime(struct asa_import_state *state,
struct asa_import_insn *insn)
{
struct asa_tspec *tsp;
int64_t t = 0;
if (insn->v.tspec.delta_select != -1) {
if (insn->v.tspec.delta_select < MAXDELTA)
t += state->delta[insn->v.tspec.delta_select];
else
msg_Err(state->demux, "imports: tspec "
"delta %d exceeds compiled-in maximum of %d",
insn->v.tspec.delta_select, MAXDELTA);
}
for (tsp = insn->v.tspec.tsp; tsp; tsp = tsp->next) {
char *errptr;
double src;
if ((unsigned)tsp->group >= state->nmatches) {
msg_Err(state->demux, "imports: tspec "
"tries to access group %d, but only "
"%d groups exist",
tsp->group, state->nmatches);
continue;
}
if (!*state->matches[tsp->group])
continue;
src = strtod(state->matches[tsp->group], &errptr);
if (*errptr)
msg_Warn(state->demux, "imports: invalid tspec '%s'",
state->matches[tsp->group]);
t += (src * tsp->mult * 1000000)
+ src * tsp->fps_mult * state->usecperf;
}
memmove(state->delta + 1, state->delta,
sizeof(state->delta[0]) * (MAXDELTA - 1));
state->delta[0] = t;
return t;
}
/** asai_show - set start time.
* @see asa_import_func */
static int asai_show(struct asa_import_state *state,
struct asa_import_insn *insn)
{
state->start = asai_gettime(state, insn);
return 0;
}
/** asai_hide - set end time.
* @see asa_import_func */
static int asai_hide(struct asa_import_state *state,
struct asa_import_insn *insn)
{
state->end = asai_gettime(state, insn);
return 0;
}
/** asai_child - execute childs if we match.
* @see asa_import_func */
static int asai_child(struct asa_import_state *state,
struct asa_import_insn *insn)
{
int rv, v[MAXGROUP * 2];
if ((rv = pcre_exec(insn->v.child.regex.pcre, NULL, state->line,
state->remain, 0, 0, v, MAXGROUP * 2)) >= 0) {
asai_set_matches(state, state->line, v, rv);
state->line += v[1];
state->remain -= v[1];
rv = asai_run_insns(state, insn->v.child.insns);
return rv;
}
return 0;
}
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)
{
struct asa_import_format *fmt = det->fmt;
struct asa_import_state state;
int rv;
memset(&state, 0, sizeof(state));
state.demux = d;
state.usecperf = state.origusecperf = usecperframe;
state.line = (const char *)data;
state.remain = dlen;
state.cb = callback;
state.cb_arg = arg;
rv = asai_run_insns(&state, fmt->insns);
if (state.matches)
xfree(state.matches);
if (state.out) {
callback(d, arg, state.start, state.end,
state.out, state.outlen);
xfree(state.out);
}
if (state.selstr)
xfree(state.selstr);
return rv;
}
int asa_pcre_compile(asa_pcre *out, const char *str)
{
const char *err;
int ec, eo;
out->pcre = pcre_compile2(str, 0, &ec, &err, &eo, NULL);
if (out->pcre)
return 0;
return 1;
}
#include "asademux_defs.h"
void asa_init_import()
{
static int setup = 0;
if (setup)
return;
preparse_add();
asa_imports_crosslink();
setup = 1;
}
/*****************************************************************************
* asademux.c: asa demuxer VM
*****************************************************************************
* Copyright (C) 2007 the VideoLAN team
*
* Originated from asa: portable digital subtitle renderer
*
* Authors: David Lamparter <equinox at diac24 dot net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
/****************************************************************************
* Changes from asa version:
* - headers adapted
* - external definition file support dropped
* - integer timestamps
****************************************************************************
* Please retain Linux kernel CodingStyle for sync.
* base commit d8c269b0fae9a8f8904e16e92313da165d664c74
****************************************************************************/
#ifndef _ASADEMUX_H
#define _ASADEMUX_H
#include <pcre.h>
/** parser reuse. imports-to-C uses char *, real VM uses pcre * */
typedef union {
pcre *pcre;
char *str;
} asa_pcre;
/** pcre_compile wrapper.
* used to allow loading differently for imports-to-C conversion.
* @param out output (parsed pcre)
* @param str regular expression string
* @return 0 on success, any other on error
*/
extern int asa_pcre_compile(asa_pcre *out, const char *str);
/** import instruction code */
enum asa_import_insn_type {
ASAI_COMMIT = 0, /**< put current buffer as line */
ASAI_DISCARD, /**< discard current buffer */
ASAI_BREAK, /**< leave child group */
ASAI_SELECT, /**< select source matchgroup */
ASAI_SG, /**< execute search & replace on selected */
ASAI_SGU, /**< like ASAI_SG, but update matchgroups */
ASAI_APPEND, /**< append selected source to buffer */
ASAI_FPS, /**< set fixed fps */
ASAI_SHOW, /**< set start time */
ASAI_HIDE, /**< set end time */
ASAI_CHILD /**< child regex match */
};
/** replacement element for ASAI_SG / ASAI_SGU */
struct asa_repl {
struct asa_repl *next; /**< next element */
int group; /**< -1 if fixed string, else source group */
char *text; /**< fixed string for group == -1 */
};
/** time specification element */
struct asa_tspec {
struct asa_tspec *next; /**< next element */
int group; /**< source matchgroup */
double mult, /**< ts multiplier. 1.0 = 1 second */
fps_mult; /**< fps multiplier. probably 0.0 or 1.0 */
};
/** single import instruction */
struct asa_import_insn {
struct asa_import_insn
*parent, /**< owner insn, NULL if format child */
*next; /**< next instruction */
enum asa_import_insn_type insn; /**< instruction code */
/** instruction parameters */
union {
int break_depth; /**< depth to break out */
int select; /**< matchgroup to select */
/** search-replace parameters */
struct {
asa_pcre regex; /**< search for */
struct asa_repl *repl; /**< replace by */
} sg;
/** time specification */
struct {
struct asa_tspec *tsp; /**< sources to sum up */
int delta_select; /**< -1 or delta index */
} tspec;
/** child instructions */
struct {
asa_pcre regex; /** <if this matches... */
struct asa_import_insn *insns; /**< do this. */
} child;
double fps_value; /**< fixed fps value */
} v;
};
/** destination format of import rules */
enum asa_import_target {
ASAI_TARGET_TEXT = (1 << 0), /**< plain text packets */
ASAI_TARGET_SSA = (1 << 1) /**< MKV ASS packets */
};
/** importing instructions for format */
struct asa_import_format {
struct asa_import_format *next, /**< next format */
*prevtgt, /**< previous target */
*nexttgt; /**< next target of this*/
char *name; /**< format name */
enum asa_import_target target; /**< target */
struct asa_import_insn *insns; /**< instructions */
};
/** format detection rules */
struct asa_import_detect {
struct asa_import_detect *next; /**< next rule */
asa_pcre re; /**< if this matches... */
char *name; /**< use this format */
struct asa_import_format *fmt; /**< through this pointer */
};
extern struct asa_import_detect *asa_det_first, **asa_det_last;
extern struct asa_import_format *asa_fmt_first, **asa_fmt_last;
typedef int (asa_import_callback)(demux_t *demux, void *arg,
int64_t start, int64_t stop,
const char *buffer, size_t buffer_length);
extern struct asa_import_detect *asa_imports_detect(const void *data,
size_t dlen);
extern 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);
extern void asa_init_import(void);
#endif
/* AUTOGENERATED FILE, DO NOT EDIT */
/* generated from "./imports" on 2007-08-31T13:23:59+00:00 */
void preparse_add()
{
#define insn_init { NULL, NULL, 0, { 0 } }
#define det(n,r) { static struct asa_import_detect d = { NULL }; \
d.name = n; \
if (!asa_pcre_compile(&d.re, r)) \
asa_det_last = &(*asa_det_last = &d)->next; }
#define fmt_b(n,t) { static struct asa_import_format f = { NULL }; \
struct asa_import_insn *i, **i0 = NULL; \
f.name = n; f.target = t;
#define fmt_e() \
}
#define insn(n,t) { static struct asa_import_insn ii = insn_init; \
i = &ii; *n = i; n = &i->next; i->insn = t; }
#define insn_b(n, m, t, r) { struct asa_import_insn **m;\
{ static struct asa_import_insn ii = insn_init; \
i = &ii; ii.insn = t; \
m = &ii.v.child.insns; \
}\
if (!asa_pcre_compile(&i->v.child.regex, r)) { \
*n = i; n = &i->next;
#define insn_e() } }
#define insn_sg(n, t, r) { struct asa_repl **repl;\
{ static struct asa_import_insn ii = insn_init; \
i = &ii; ii.insn = t; \
repl = &ii.v.sg.repl; \
}\
if (!asa_pcre_compile(&i->v.sg.regex, r)) { \
*n = i; n = &i->next;
#define insn_sge() } }
#define repl(g, t) { static struct asa_repl r = { NULL, g, t }; \
*repl = &r; repl = &r.next; }
#define insn_ts(n, t, d) { struct asa_tspec **tsp;\
{ static struct asa_import_insn ii = insn_init; \
i = &ii; ii.insn = t; ii.v.tspec.delta_select = d; \
tsp = &ii.v.tspec.tsp; \
}\
*n = i; n = &i->next;
#define insn_tse() }
#define tsp(g, m, f) { static struct asa_tspec t = { NULL, g, m, f }; \
*tsp = &t; tsp = &t.next; }
det("qttext","^\\{QTtext\\}")
det("rtf","^\\{\\\\rtf")
det("viplay","^\\{\\* VIPLAY")
det("zerog","^% Zero G")
det("sst","^SST ")
det("philips","^# PHILIPS SVCD DESIGNER")
det("ulead","^#Ulead subtitle")
det("sonicscenarist","^st_format\\s*\\d")
det("dvdjunior","^Subtitle File Mark")
det("captionsdat","^\\0\\r#")
det("inscriber","^@@.*\\n@@\\d Created by URUSoft")
det("ssa","(?mi)^(ScriptType:|\\[Script Info)")
det("subrip","^\\d+\\s*\\n\\d\\d:\\d\\d:\\d\\d,\\d\\d\\d\\s+-->\\s+\\d\\d:\\d\\d:\\d\\d,\\d\\d\\d\\s*\\n")
det("microdvd","^\\{\\d+\\}\\{\\d+\\}")
det("sami","(?i)<SAMI")
det("smil","(?i)<SMIL")
det("smil_rt","(?i)<WINDOW")
det("html","(?i)<HTML")
det("jacosub","(?m)^#([DT]\\d+)")
det("sasamis2k","(?m)^;(Env|Set)\\.")
det("phoenix","^[ \\d]+,[ \\d]+, \".*\"")
det("vkt","(?m)^\\{\\d+ .*\\}")
det("e2","^\\[\\d+\\]\\[\\d+\\]")
det("powerdivx","^\\{\\d+:\\d\\d:\\d\\d\\}\\{\\d+:\\d\\d:\\d\\d\\}")
det("sbt","^\\d\\d:\\d\\d:\\d\\d\\s*\\n\\d\\d:\\d\\d:\\d\\d\\s*\\n\\s*\\n")
det("karaokelrc","(?m)^\\[\\d\\d:\\d\\d\\.\\d\\d\\]")
det("dks","^\\[\\d\\d:\\d\\d:\\d\\d\\]")
det("aqtitle","^-->> \\d+\\s*\\n")
det("panimator","^\\/(c|d \\d+ \\d+)\\s*\\n")
det("tmplayer","^\\d\\d:\\d\\d:\\d\\d,\\d=")
det("cap32","^\\d\\d:\\d\\d:\\d\\d:\\d\\d , \\d\\d:\\d\\d:\\d\\d:\\d\\d , ")
det("not_encore","(?m)^\\d\\d:\\d\\d:\\d\\d:\\d\\d \\d\\d:\\d\\d:\\d\\d:\\d\\d ")
det("encore_ntsc","(?m)^\\d+ \\d+;\\d+;\\d+;\\d+ \\d+;\\d+;\\d+;\\d+ ")
det("encore_pal","(?m)^\\d+ \\d+:\\d+:\\d+:\\d+ \\d+:\\d+:\\d+:\\d+ ")
det("turbotitler","^\\d+:\\d\\d:\\d\\d\\.\\d\\d,\\d+:\\d\\d:\\d\\d\\.\\d\\d,")
det("macdvdpro","^\\d\\d:\\d\\d:\\d\\d:\\d\\d\\t\\d\\d:\\d\\d:\\d\\d:\\d\\d\\t")
det("powerpixel","^\\d\\d:\\d\\d:\\d\\d:\\d\\d\\t\\d\\d:\\d\\d:\\d\\d:\\d\\d\\r?\\n")
det("ovr","^\\d\\d:\\d\\d:\\d\\d:\\d\\d [^[:digit:][:space:][:punct:]]")
det("fab","^\\d\\d:\\d\\d:\\d\\d:\\d\\d \\d\\d:\\d\\d:\\d\\d:\\d\\d\\s*\\n[^[:digit:][:space:][:punct:]]")
det("sonicdvd","^\\d{4} \\d\\d:\\d\\d:\\d\\d:\\d\\d \\d\\d:\\d\\d:\\d\\d:\\d\\d ")
det("koalaplayer","(?m)^\\d+:\\d\\d:\\d\\d:[^[:digit:][:space:][:punct:]]")
det("subcreator1","^\\d+:\\d\\d:\\d\\d\\.\\d+:")
fmt_b("subrip", 2)
insn_b(i0, i1, ASAI_CHILD, "^\\d+\\s*\\n(\\d\\d):(\\d\\d):(\\d\\d),(\\d\\d\\d)\\s+-->\\s+(\\d\\d):(\\d\\d):(\\d\\d),(\\d\\d\\d)\\s*\\r?\\n")
insn_ts(i1, 8, -1); tsp(1, 3600.000000, 0.000000)
tsp(2, 60.000000, 0.000000)
tsp(3, 1.000000, 0.000000)
tsp(4, 0.001000, 0.000000)
insn_tse()
insn_ts(i1, 9, -1); tsp(5, 3600.000000, 0.000000)
tsp(6, 60.000000, 0.000000)
tsp(7, 1.000000, 0.000000)
tsp(8, 0.001000, 0.000000)
insn_tse()
insn_b(i1, i2, ASAI_CHILD, "(?s)^(.*?)\\s*\\n\\s*\\n")
insn(i2, ASAI_SELECT); i->v.select = 1;
insn_sg(i2, 4, "\\\\")
repl(-1, "\\\\")
insn_sge()
insn_sg(i2, 4, "\\{")
repl(-1, "\\{")
insn_sge()
insn_sg(i2, 4, "\\}")
repl(-1, "\\}")
insn_sge()
insn_sg(i2, 4, "\\n")
repl(-1, "\\n")
insn_sge()
insn_sg(i2, 4, "<[Bb]>")
repl(-1, "{\\b1}")
insn_sge()
insn_sg(i2, 4, "<\\/[Bb]>")
repl(-1, "{\\b0}")
insn_sge()
insn_sg(i2, 4, "<[Ii]>")
repl(-1, "{\\i1}")
insn_sge()
insn_sg(i2, 4, "<\\/[Ii]>")
repl(-1, "{\\i0}")
insn_sge()
insn_sg(i2, 4, "<\\/(.*?)>")
repl(-1, "{")
repl(12, NULL)
repl(-1, "3}")
insn_sge()
insn_sg(i2, 4, "&lt;")
repl(-1, "<")
insn_sge()
insn_sg(i2, 4, "&gt;")
repl(-1, ">")
insn_sge()
insn_sg(i2, 4, "&amp;")
repl(-1, "&")
insn_sge()
insn_sg(i2, 4, "^")
repl(-1, ",,,0,0,0,,")
insn_sge()
insn(i2, 6);
insn(i2, 0);
insn(i2, ASAI_BREAK); i->v.break_depth = 1;
insn_e()
insn_e()
fmt_e()
fmt_b("encore_pal", 1)
insn(i0, ASAI_FPS); i->v.fps_value = 25.000000;
insn_b(i0, i1, ASAI_CHILD, "^\\d+ (\\d+):(\\d+):(\\d+):(\\d+) (\\d+):(\\d+):(\\d+):(\\d+) (.*(\\n[^\\d].*)*)\\n")
insn_ts(i1, 8, -1); tsp(1, 3600.000000, 0.000000)
tsp(2, 60.000000, 0.000000)
tsp(3, 1.000000, 0.000000)
tsp(4, 0.000000, 1.000000)
insn_tse()
insn_ts(i1, 9, -1); tsp(5, 3600.000000, 0.000000)
tsp(6, 60.000000, 0.000000)
tsp(7, 1.000000, 0.000000)
tsp(8, 0.000000, 1.000000)
insn_tse()
insn(i1, ASAI_SELECT); i->v.select = 9;
insn_sg(i1, 4, "\\/\\/")
repl(-1, "\x0a")
insn_sge()
insn(i1, 6);
insn(i1, 0);
insn_e()
fmt_e()
fmt_b("encore_ntsc", 1)
insn(i0, ASAI_FPS); i->v.fps_value = 29.969999;
insn_b(i0, i1, ASAI_CHILD, "^\\d+ (\\d+);(\\d+);(\\d+);(\\d+) (\\d+);(\\d+);(\\d+);(\\d+) (.*(\\n[^\\d].*)*)\\n")
insn_ts(i1, 8, -1); tsp(1, 3600.000000, 0.000000)
tsp(2, 60.000000, 0.000000)
tsp(3, 1.000000, 0.000000)
tsp(4, 0.000000, 1.000000)
insn_tse()
insn_ts(i1, 9, -1); tsp(5, 3600.000000, 0.000000)
tsp(6, 60.000000, 0.000000)
tsp(7, 1.000000, 0.000000)
tsp(8, 0.000000, 1.000000)
insn_tse()
insn(i1, ASAI_SELECT); i->v.select = 9;
insn_sg(i1, 4, "\\/\\/")
repl(-1, "\x0a")
insn_sge()
insn(i1, 6);
insn(i1, 0);
insn_e()
fmt_e()
fmt_b("microdvd", 1)
insn_b(i0, i1, ASAI_CHILD, "^\\{\\s*(\\d+)\\}\\{\\s*(\\d+)\\}(.*?)\\s*\\n")
insn_ts(i1, 8, -1); tsp(1, 0.000000, 1.000000)
insn_tse()
insn_ts(i1, 9, -1); tsp(2, 0.000000, 1.000000)
insn_tse()
insn(i1, ASAI_SELECT); i->v.select = 3;
insn_sg(i1, 4, "\\|")
repl(-1, "\x0a")
insn_sge()
insn(i1, 6);
insn(i1, 0);
insn_e()
fmt_e()
fmt_b("vkt", 1)
insn_b(i0, i1, ASAI_CHILD, "^#.*\\n")
insn_e()
insn_b(i0, i1, ASAI_CHILD, "^{(\\d+) (.*)}\\s*\\n")
insn_ts(i1, 9, -1); tsp(1, 0.000000, 1.000000)
insn_tse()
insn(i1, 0);
insn_ts(i1, 8, -1); tsp(1, 0.000000, 1.000000)
insn_tse()
insn(i1, ASAI_SELECT); i->v.select = 2;
insn(i1, 6);
insn_e()
fmt_e()
}
/*****************************************************************************
* subtitle_asa.c: Demux for subtitle text files using the asa engine.
*****************************************************************************
* Copyright (C) 1999-2007 the VideoLAN team
* $Id$
*
* Authors: David Lamparter <equinox at videolan dot org>
*
* Originated from subtitle.c
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Derk-Jan Hartman <hartman at videolan dot org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "config.h"
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_input.h>
#include <vlc_memory.h>
#include <vlc_demux.h>
#include "asademux.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t *p_this );
static void Close( vlc_object_t *p_this );
#define SUB_DELAY_LONGTEXT \
N_("Apply a delay to all subtitles (in 1/10s, eg 100 means 10s).")
#define SUB_FPS_LONGTEXT \
N_("Override the normal frames per second settings. " \
"This will only affect frame-based subtitle formats without a fixed value.")
#define SUB_TYPE_LONGTEXT \
N_("Force the subtiles format. Use \"auto\", the set of supported values varies.")
vlc_module_begin ()
set_shortname( N_("Subtitles (asa demuxer)"))
set_description( N_("Text subtitles parser") )
set_capability( "demux", 50 )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_DEMUX )
add_float( "sub-fps", 0.0, NULL,
N_("Frames per second"),
SUB_FPS_LONGTEXT, true )
add_integer( "sub-delay", 0, NULL,
N_("Subtitles delay"),
SUB_DELAY_LONGTEXT, true )
add_string( "sub-type", "auto", NULL, N_("Subtitles format"),
SUB_TYPE_LONGTEXT, true )
set_callbacks( Open, Close )
add_shortcut( "asademux" )
vlc_module_end ()
/*****************************************************************************
* Prototypes:
*****************************************************************************/
typedef struct
{
int64_t i_start;
int64_t i_stop;
char *psz_text;
} subtitle_t;
struct demux_sys_t
{
int i_type;
es_out_id_t *es;
int64_t i_next_demux_date;
int64_t i_microsecperframe;
char *psz_header;
int i_subtitle;
int i_subtitles;
int i_subs_alloc;
subtitle_t *subtitle;
int64_t i_length;
};
static int Demux( demux_t * );
static int Control( demux_t *, int, va_list );
static void Fix( demux_t * );
static int ProcessLine( demux_t *, void *, int64_t, int64_t,
const char *, size_t );
/*****************************************************************************
* Module initializer
*****************************************************************************/
static int Open ( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
es_format_t fmt;
float f_fps;
char *psz_type;
int64_t i_ssize;
void *p_data;
struct asa_import_detect *p_detect = NULL;
if( strcmp( p_demux->psz_demux, "asademux" ) )
{
return VLC_EGENERIC;
}
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->psz_header = NULL;
p_sys->i_subtitle = 0;
p_sys->i_subtitles = 0;
p_sys->i_subs_alloc = 0;
p_sys->subtitle = NULL;
p_sys->i_microsecperframe = 40000;
/* Get the FPS */
f_fps = var_CreateGetFloat( p_demux, "sub-original-fps" );
if( f_fps >= 1.0 )
p_sys->i_microsecperframe = (int64_t)( (float)1000000 / f_fps );
msg_Dbg( p_demux, "Movie fps: %f", f_fps );
/* Check for override of the fps */
f_fps = var_CreateGetFloat( p_demux, "sub-fps" );
if( f_fps >= 1.0 )
{
p_sys->i_microsecperframe = (int64_t)( (float)1000000 / f_fps );
msg_Dbg( p_demux, "Override subtitle fps %f", f_fps );
}
/* Get or probe the type */
psz_type = var_CreateGetString( p_demux, "sub-type" );
if( *psz_type )
{
for( p_detect = asa_det_first; p_detect; p_detect = p_detect->next )
{
if( !strcmp( p_detect->name, psz_type ) )
{
break;
}
}
if( !p_detect )
{
msg_Warn( p_demux, "unknown sub-type \"%s\"", psz_type );
}
}
free( psz_type );
/* Probe if unknown type */
if( !p_detect )
{
int i_size;
const uint8_t *p;
msg_Dbg( p_demux, "autodetecting subtitle format" );
i_size = stream_Peek( p_demux->s, &p, 4096 );
if( i_size <= 0)
{
msg_Warn( p_demux, "cannot process subtitles (no data?)" );
return VLC_EGENERIC;
}
p_detect = asa_imports_detect( p, i_size );
}
if( !p_detect )
{
msg_Err( p_demux, "failed to recognize subtitle type" );
free( p_sys );
return VLC_EGENERIC;
}
if( !p_detect->fmt )
{
msg_Err( p_demux, "detected %s subtitle format, no asa support", p_detect->name );
free( p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "detected %s subtitle format", p_detect->name );
stream_Control( p_demux->s, STREAM_GET_SIZE, &i_ssize );
p_data = malloc( i_ssize );
if( !p_data )
{
free( p_sys );
return VLC_ENOMEM;
}
if( stream_Read( p_demux->s, &p_data, i_ssize ) != i_ssize )
{
msg_Err( p_demux, "subtitle stream read error" );
free( p_data );
free( p_sys );
return VLC_EGENERIC;
}
asa_import( p_demux, p_data, i_ssize, p_sys->i_microsecperframe, p_detect,
ProcessLine, NULL );
free( p_data );
msg_Dbg(p_demux, "loaded %d subtitles", p_sys->i_subtitles );
/* Fix subtitle (order and time) *** */
Fix( p_demux );
p_sys->i_subtitle = 0;
p_sys->i_length = 0;
if( p_sys->i_subtitles > 0 )
{
p_sys->i_length = p_sys->subtitle[p_sys->i_subtitles-1].i_stop;
/* +1 to avoid 0 */
if( p_sys->i_length <= 0 )
p_sys->i_length = p_sys->subtitle[p_sys->i_subtitles-1].i_start + VLC_TS_0;
}
/* *** add subtitle ES *** */
if( p_detect->fmt->target == ASAI_TARGET_SSA )
{
es_format_Init( &fmt, SPU_ES, VLC_CODEC_SSA );
}
else
{
es_format_Init( &fmt, SPU_ES, VLC_CODEC_SUBT );
}
p_sys->es = es_out_Add( p_demux->out, &fmt );
return VLC_SUCCESS;
}
/*****************************************************************************
* ProcessLine: Callback for asa_import, fed one line
* (note: return values are not kept. nonzero signals abort to asa_import)
*****************************************************************************/
static int ProcessLine( demux_t *p_demux, void *p_arg,
int64_t i_start, int64_t i_stop,
const char *p_buffer, size_t i_buffer_length )
{
demux_sys_t *p_sys = p_demux->p_sys;
subtitle_t *p_subtitle;
char *psz_text;
VLC_UNUSED(p_arg);
if( p_sys->i_subtitles >= p_sys->i_subs_alloc )
{
p_sys->i_subs_alloc += 500;
if( !( p_sys->subtitle = realloc_or_free( p_sys->subtitle,
sizeof(subtitle_t) * p_sys->i_subs_alloc ) ) )
{
return VLC_ENOMEM;
}
}
p_subtitle = &p_sys->subtitle[p_sys->i_subtitles];
psz_text = malloc( i_buffer_length + 1 );
if( !psz_text )
return VLC_ENOMEM;
memcpy( psz_text, p_buffer, i_buffer_length );
psz_text[i_buffer_length] = '\0';
p_subtitle->i_start = i_start;
p_subtitle->i_stop = i_stop;
p_subtitle->psz_text = psz_text;
p_sys->i_subtitles++;
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: Close subtitle demux
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
int i;
for( i = 0; i < p_sys->i_subtitles; i++ )
free( p_sys->subtitle[i].psz_text );
free( p_sys->subtitle );
free( p_sys );
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t *pi64, i64;
double *pf, f;
switch( i_query )
{
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = p_sys->i_length;
return VLC_SUCCESS;
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_subtitle < p_sys->i_subtitles )
{
*pi64 = p_sys->subtitle[p_sys->i_subtitle].i_start;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
case DEMUX_SET_TIME:
i64 = (int64_t)va_arg( args, int64_t );
p_sys->i_subtitle = 0;
while( p_sys->i_subtitle < p_sys->i_subtitles &&
p_sys->subtitle[p_sys->i_subtitle].i_start < i64 )
{
p_sys->i_subtitle++;
}
if( p_sys->i_subtitle >= p_sys->i_subtitles )
return VLC_EGENERIC;
return VLC_SUCCESS;
case DEMUX_GET_POSITION:
pf = (double*)va_arg( args, double * );
if( p_sys->i_subtitle >= p_sys->i_subtitles )
{
*pf = 1.0;
}
else if( p_sys->i_subtitles > 0 )
{
*pf = (double)p_sys->subtitle[p_sys->i_subtitle].i_start /
(double)p_sys->i_length;
}
else
{
*pf = 0.0;
}
return VLC_SUCCESS;
case DEMUX_SET_POSITION:
f = (double)va_arg( args, double );
i64 = f * p_sys->i_length;
p_sys->i_subtitle = 0;
while( p_sys->i_subtitle < p_sys->i_subtitles &&
p_sys->subtitle[p_sys->i_subtitle].i_start < i64 )
{
p_sys->i_subtitle++;
}
if( p_sys->i_subtitle >= p_sys->i_subtitles )
return VLC_EGENERIC;
return VLC_SUCCESS;
case DEMUX_SET_NEXT_DEMUX_TIME:
p_sys->i_next_demux_date = (int64_t)va_arg( args, int64_t );
return VLC_SUCCESS;
case DEMUX_GET_FPS:
case DEMUX_GET_META:
case DEMUX_GET_ATTACHMENTS:
case DEMUX_GET_TITLE_INFO:
return VLC_EGENERIC;
default:
msg_Err( p_demux, "unknown query in subtitle control" );
return VLC_EGENERIC;
}
}
/*****************************************************************************
* Demux: Send subtitle to decoder
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t i_maxdate;
if( p_sys->i_subtitle >= p_sys->i_subtitles )
return 0;
i_maxdate = p_sys->i_next_demux_date - var_GetTime( p_demux->p_parent, "spu-delay" );;
if( i_maxdate <= 0 && p_sys->i_subtitle < p_sys->i_subtitles )
{
/* Should not happen */
i_maxdate = p_sys->subtitle[p_sys->i_subtitle].i_start + 1;
}
while( p_sys->i_subtitle < p_sys->i_subtitles &&
p_sys->subtitle[p_sys->i_subtitle].i_start < i_maxdate )
{
block_t *p_block;
int i_len = strlen( p_sys->subtitle[p_sys->i_subtitle].psz_text ) + 1;
if( i_len <= 1 )
{
/* empty subtitle */
p_sys->i_subtitle++;
continue;
}
if( ( p_block = block_New( p_demux, i_len ) ) == NULL )
{
p_sys->i_subtitle++;
continue;
}
if( p_sys->subtitle[p_sys->i_subtitle].i_start < 0 )
{
p_sys->i_subtitle++;
continue;
}
p_block->i_pts = VLC_TS_0 + p_sys->subtitle[p_sys->i_subtitle].i_start;
p_block->i_dts = VLC_TS_0 + p_block->i_pts;
if( p_sys->subtitle[p_sys->i_subtitle].i_stop >= 0 )
{
p_block->i_length =
p_sys->subtitle[p_sys->i_subtitle].i_stop - p_block->i_pts;
}
memcpy( p_block->p_buffer,
p_sys->subtitle[p_sys->i_subtitle].psz_text, i_len );
if( p_block->i_pts > VLC_TS_INVALID )
{
es_out_Send( p_demux->out, p_sys->es, p_block );
}
else
{
block_Release( p_block );
}
p_sys->i_subtitle++;
}
/* */
p_sys->i_next_demux_date = 0;
return 1;
}
/*****************************************************************************
* Fix: fix time stamp and order of subtitle
*****************************************************************************/
static void Fix( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
bool b_done;
int i_index;
/* *** fix order (to be sure...) *** */
/* We suppose that there are near in order and this durty bubble sort
* wont take too much time
*/
do
{
b_done = true;
for( i_index = 1; i_index < p_sys->i_subtitles; i_index++ )
{
if( p_sys->subtitle[i_index].i_start <
p_sys->subtitle[i_index - 1].i_start )
{
subtitle_t sub_xch;
memcpy( &sub_xch,
p_sys->subtitle + i_index - 1,
sizeof( subtitle_t ) );
memcpy( p_sys->subtitle + i_index - 1,
p_sys->subtitle + i_index,
sizeof( subtitle_t ) );
memcpy( p_sys->subtitle + i_index,
&sub_xch,
sizeof( subtitle_t ) );
b_done = false;
}
}
} while( !b_done );
}
......@@ -435,9 +435,6 @@ modules/control/rc.c
modules/control/unimotion.c
modules/control/unimotion.h
modules/demux/aiff.c
modules/demux/asademux.c
modules/demux/asademux.h
modules/demux/asademux_defs.h
modules/demux/asf/asf.c
modules/demux/asf/libasf.c
modules/demux/asf/libasf.h
......@@ -519,7 +516,6 @@ modules/demux/rawvid.c
modules/demux/real.c
modules/demux/smf.c
modules/demux/subtitle.c
modules/demux/subtitle_asa.c
modules/demux/ts.c
modules/demux/tta.c
modules/demux/ty.c
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment