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/* Copyright (C) 2008 Vincent Penquerc'h.
This file is part of the Kate codec library.
Written by Vincent Penquerc'h.
Use, distribution and reproduction of this library is governed
by a BSD style source license included with this source in the
file 'COPYING'. Please read these terms before distributing. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <ogg/ogg.h>
#include "kate/kate.h"
#include "kutil.h"
#include "klrc.h"
void *new_lrc_data(void)
{
struct lrc_data *lrc_data=kate_malloc(sizeof(struct lrc_data));
if (lrc_data) {
lrc_data->last_event_end_time=-1;
}
return lrc_data;
}
void free_lrc_data(void *data)
{
kate_free(data);
}
static ogg_int64_t granule_to_centiseconds(const kate_info *ki,ogg_int64_t granpos)
{
return (100*granpos*ki->gps_denominator+ki->gps_numerator/2)/ki->gps_numerator;
}
static void centiseconds_to_time(ogg_int64_t cs,int *minutes,int *seconds,int *centiseconds)
{
*minutes=cs/(60*100);
*seconds=cs/100%60;
*centiseconds=cs%100;
}
void write_lrc_event(FILE *fout,void *data,const kate_event *ev,ogg_int64_t granpos)
{
struct lrc_data *lrc_data=(struct lrc_data*)data;
int m0,s0,cs0;
int m1,s1,cs1;
centiseconds_to_time(granule_to_centiseconds(ev->ki,ev->start),&m0,&s0,&cs0);
centiseconds_to_time(granule_to_centiseconds(ev->ki,ev->start+ev->duration),&m1,&s1,&cs1);
(void)granpos;
(void)data;
if (lrc_data->last_event_end_time<0) {
fprintf(fout,"[%d:%02d.%02d]",m0,s0,cs0);
}
else if (lrc_data->last_event_end_time<ev->start) {
fprintf(fout,"\n");
fprintf(fout,"[%d:%02d.%02d]",m0,s0,cs0);
}
fprintf(fout,"%s\n",ev->text);
fprintf(fout,"[%d:%02d.%02d]",m1,s1,cs1);
fflush(fout);
lrc_data->last_event_end_time=ev->start+ev->duration;
}
void write_lrc_end(FILE *fout)
{
fprintf(fout,"\n");
fflush(fout);
}
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