int write_cc_subtitle_as_srt(struct cc_subtitle *sub,struct encoder_ctx *context)
{
int ret = 0;
struct cc_subtitle *osub = sub;
struct cc_subtitle *lsub = sub;
while(sub)
{
if(sub->type == CC_TEXT)
{
ret = write_stringz_as_srt(sub->data, context, sub->start_time, sub->end_time);
freep(&sub->data);
sub->nb_data = 0;
}
lsub = sub;
sub = sub->next;
}
while(lsub != osub)
{
sub = lsub->prev;
freep(&lsub);
lsub = sub;
}
return ret;
}
void try_to_add_end_credits(struct encoder_ctx *context, struct ccx_s_write *out)
{
LLONG window, length, st, end;
if (out->fh == -1)
return;
window=get_fts()-context->last_displayed_subs_ms-1;
if (window < context->endcreditsforatleast.time_in_ms) // Won't happen, window is too short
return;
length=context->endcreditsforatmost.time_in_ms > window ?
window : context->endcreditsforatmost.time_in_ms;
st=get_fts()-length-1;
end=get_fts();
switch (context->write_format)
{
case CCX_OF_SRT:
write_stringz_as_srt(context->end_credits_text, context, st, end);
break;
case CCX_OF_WEBVTT:
write_stringz_as_webvtt(context->end_credits_text, context, st, end);
break;
case CCX_OF_SAMI:
write_stringz_as_sami(context->end_credits_text, context, st, end);
break;
case CCX_OF_SMPTETT:
write_stringz_as_smptett(context->end_credits_text, context, st, end);
break ;
default:
// Do nothing for the rest
break;
}
}
void try_to_add_start_credits(struct encoder_ctx *context,LLONG start_ms)
{
LLONG st, end, window, length;
LLONG l = start_ms + context->subs_delay;
// We have a windows from last_displayed_subs_ms to l - we need to see if it fits
if (l<ccx_options.startcreditsnotbefore.time_in_ms) // Too early
return;
if (context->last_displayed_subs_ms+1 > ccx_options.startcreditsnotafter.time_in_ms) // Too late
return;
st = ccx_options.startcreditsnotbefore.time_in_ms>(context->last_displayed_subs_ms+1) ?
ccx_options.startcreditsnotbefore.time_in_ms : (context->last_displayed_subs_ms+1); // When would credits actually start
end = ccx_options.startcreditsnotafter.time_in_ms<(l-1) ?
ccx_options.startcreditsnotafter.time_in_ms : (l-1);
window = end-st; // Allowable time in MS
if (ccx_options.startcreditsforatleast.time_in_ms>window) // Window is too short
return;
length=ccx_options.startcreditsforatmost.time_in_ms > window ?
window : ccx_options.startcreditsforatmost.time_in_ms;
dbg_print(CCX_DMT_VERBOSE, "Last subs: %lld Current position: %lld\n",
context->last_displayed_subs_ms, l);
dbg_print(CCX_DMT_VERBOSE, "Not before: %lld Not after: %lld\n",
ccx_options.startcreditsnotbefore.time_in_ms,
ccx_options.startcreditsnotafter.time_in_ms);
dbg_print(CCX_DMT_VERBOSE, "Start of window: %lld End of window: %lld\n",st,end);
if (window>length+2)
{
// Center in time window
LLONG pad=window-length;
st+=(pad/2);
}
end=st+length;
switch (ccx_options.write_format)
{
case CCX_OF_SRT:
write_stringz_as_srt(ccx_options.start_credits_text,context,st,end);
break;
case CCX_OF_SAMI:
write_stringz_as_sami(ccx_options.start_credits_text, context, st, end);
break;
case CCX_OF_SMPTETT:
write_stringz_as_smptett(ccx_options.start_credits_text, context, st, end);
break;
default:
// Do nothing for the rest
break;
}
context->startcredits_displayed=1;
return;
}