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21a19b7912
Before this, almost all module groups have been used for grouping functions and fields in structures semantically. This causes them to not appear properly in the file documentation and needlessly clutters up the "Modules" index. Additionally, this commit streamlines some spelling and appearances.
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
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* SSA/ASS common funtions
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* Copyright (c) 2010 Aurelien Jacobs <aurel@gnuage.org>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_ASS_H
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#define AVCODEC_ASS_H
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#include "avcodec.h"
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/**
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* @name Default values for ASS style
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* @{
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*/
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#define ASS_DEFAULT_FONT "Arial"
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#define ASS_DEFAULT_FONT_SIZE 16
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#define ASS_DEFAULT_COLOR 0xffffff
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#define ASS_DEFAULT_BACK_COLOR 0
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#define ASS_DEFAULT_BOLD 0
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#define ASS_DEFAULT_ITALIC 0
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#define ASS_DEFAULT_UNDERLINE 0
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#define ASS_DEFAULT_ALIGNMENT 2
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/** @} */
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/**
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* Generate a suitable AVCodecContext.subtitle_header for SUBTITLE_ASS
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* with default style.
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*
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* @param avctx pointer to the AVCodecContext
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* @return >= 0 on success otherwise an error code <0
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*/
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int ff_ass_subtitle_header_default(AVCodecContext *avctx);
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/**
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* Initialize an AVSubtitle structure for use with ff_ass_add_rect().
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*
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* @param sub pointer to the AVSubtitle
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*/
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void ff_ass_init(AVSubtitle *sub);
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/**
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* Add an ASS dialog line to an AVSubtitle as a new AVSubtitleRect.
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*
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* @param sub pointer to the AVSubtitle
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* @param dialog ASS dialog to add to sub
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* @param ts_start start timestamp for this dialog (in 1/100 second unit)
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* @param ts_end end timestamp for this dialog (in 1/100 second unit)
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* @param raw when set to 1, it indicates that dialog contains a whole ASS
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* dialog line which should be copied as is.
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* when set to 0, it indicates that dialog contains only the Text
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* part of the ASS dialog line, the rest of the line
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* will be generated.
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* @return number of characters read from dialog. It can be less than the whole
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* length of dialog, if dialog contains several lines of text.
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* A negative value indicates an error.
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*/
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int ff_ass_add_rect(AVSubtitle *sub, const char *dialog,
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int ts_start, int ts_end, int raw);
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#endif /* AVCODEC_ASS_H */
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