ffmpeg/libavcodec/ass.h

54 lines
2.0 KiB
C

/*
* SSA/ASS common funtions
* Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_ASS_H
#define AVCODEC_ASS_H
#include "avcodec.h"
/**
* Initialize an AVSubtitle structure for use with ff_ass_add_rect().
*
* @param sub pointer to the AVSubtitle
*/
void ff_ass_init(AVSubtitle *sub);
/**
* Add an ASS dialog line to an AVSubtitle as a new AVSubtitleRect.
*
* @param sub pointer to the AVSubtitle
* @param dialog ASS dialog to add to sub
* @param ts_start start timestamp for this dialog (in 1/100 second unit)
* @param ts_end end timestamp for this dialog (in 1/100 second unit)
* @param raw when set to 1, it indicates that dialog contains a whole ASS
* dialog line which should be copied as is.
* when set to 0, it indicates that dialog contains only the Text
* part of the ASS dialog line, the rest of the line
* will be generated.
* @return number of characters read from dialog. It can be less than the whole
* length of dialog, if dialog contains several lines of text.
* A negative value indicates an error.
*/
int ff_ass_add_rect(AVSubtitle *sub, const char *dialog,
int ts_start, int ts_end, int raw);
#endif /* AVCODEC_ASS_H */