void ass_free_track(ASS_Track *track)
{
int i;
if (track->parser_priv) {
if (track->parser_priv->fontname)
free(track->parser_priv->fontname);
if (track->parser_priv->fontdata)
free(track->parser_priv->fontdata);
free(track->parser_priv);
}
if (track->style_format)
free(track->style_format);
if (track->event_format)
free(track->event_format);
if (track->styles) {
for (i = 0; i < track->n_styles; ++i)
ass_free_style(track, i);
free(track->styles);
}
if (track->events) {
for (i = 0; i < track->n_events; ++i)
ass_free_event(track, i);
free(track->events);
}
free(track->name);
free(track);
}
/**
* \brief Convert subtitle to ASS_Events for the given track
* \param track track
* \param sub subtitle to convert
* \return event id
* note: assumes that subtitle is _not_ fps-based; caller must manually correct
* Start and Duration in other case.
**/
static int ass_process_subtitle(ASS_Track *track, subtitle *sub)
{
int eid;
ASS_Event *event;
int len = 0, j;
char *p;
char *end;
eid = ass_alloc_event(track);
event = track->events + eid;
event->Start = sub->start * 10;
event->Duration = (sub->end - sub->start) * 10;
event->Style = 0;
for (j = 0; j < sub->lines; ++j)
len += sub->text[j] ? strlen(sub->text[j]) : 0;
len += 2 * sub->lines; // '\N', including the one after the last line
len += 6; // {\anX}
len += 1; // '\0'
event->Text = malloc(len);
end = event->Text + len;
p = event->Text;
if (sub->alignment)
p += snprintf(p, end - p, "{\\an%d}", sub->alignment);
for (j = 0; j < sub->lines; ++j)
p += snprintf(p, end - p, "%s\\N", sub->text[j]);
if (sub->lines > 0)
p -= 2; // remove last "\N"
*p = 0;
if (check_duplicate_plaintext_event(track)) {
ass_free_event(track, eid);
track->n_events--;
return -1;
}
mp_msg(MSGT_ASS, MSGL_V,
"plaintext event at %" PRId64 ", +%" PRId64 ": %s \n",
(int64_t) event->Start, (int64_t) event->Duration, event->Text);
return eid;
}
static void free_last_event(ASS_Track *track)
{
assert(track->n_events > 0);
ass_free_event(track, track->n_events - 1);
track->n_events--;
}
