ass_split.h

/*
 * SSA/ASS spliting functions
 * 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_SPLIT_H
#define AVCODEC_ASS_SPLIT_H

typedef struct {
    char *script_type;    
    char *collisions;     
    int   play_res_x;     
    int   play_res_y;     
    float timer;          
} ASSScriptInfo;

typedef struct {
    char *name;           
    char *font_name;      
    int   font_size;      
    int   primary_color;  
    int   secondary_color;
    int   outline_color;  
    int   back_color;     
    int   bold;           
    int   italic;         
    int   underline;      
    int   strikeout;
    float scalex;
    float scaley;
    float spacing;
    float angle;
    int   border_style;
    float outline;
    float shadow;
    int   alignment;      
    int   margin_l;
    int   margin_r;
    int   margin_v;
    int   alpha_level;
    int   encoding;
} ASSStyle;

typedef struct {
    int   readorder;
    int   layer;    
    int   start;    
    int   end;      
    char *style;    
    char *name;
    int   margin_l;
    int   margin_r;
    int   margin_v;
    char *effect;
    char *text;     
} ASSDialog;

typedef struct {
    ASSScriptInfo script_info;   
    ASSStyle     *styles;        
    int           styles_count;  
    ASSDialog    *dialogs;       
    int           dialogs_count; 
} ASS;

typedef struct ASSSplitContext ASSSplitContext;

ASSSplitContext *ff_ass_split(const char *buf);

ASSDialog *ff_ass_split_dialog(ASSSplitContext *ctx, const char *buf,
                               int cache, int *number);

void ff_ass_free_dialog(ASSDialog **dialogp);

ASSDialog *ff_ass_split_dialog2(ASSSplitContext *ctx, const char *buf);

void ff_ass_split_free(ASSSplitContext *ctx);


typedef struct {
    void (*text)(void *priv, const char *text, int len);
    void (*new_line)(void *priv, int forced);
    void (*style)(void *priv, char style, int close);
    void (*color)(void *priv, unsigned int /* color */, unsigned int color_id);
    void (*alpha)(void *priv, int alpha, int alpha_id);
    void (*font_name)(void *priv, const char *name);
    void (*font_size)(void *priv, int size);
    void (*alignment)(void *priv, int alignment);
    void (*cancel_overrides)(void *priv, const char *style);
    void (*move)(void *priv, int x1, int y1, int x2, int y2, int t1, int t2);
    void (*origin)(void *priv, int x, int y);
    void (*end)(void *priv);
} ASSCodesCallbacks;

int ff_ass_split_override_codes(const ASSCodesCallbacks *callbacks, void *priv,
                                const char *buf);

ASSStyle *ff_ass_style_get(ASSSplitContext *ctx, const char *style);

#endif /* AVCODEC_ASS_SPLIT_H */