/usr/include/gpac/internal/swf_dev.h is in libgpac-dev 0.5.2-426-gc5ad4e4+dfsg5-3.
This file is owned by root:root, with mode 0o644.
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* GPAC - Multimedia Framework C SDK
*
* Authors: Jean Le Feuvre
* Copyright (c) Telecom ParisTech 2000-2012
* All rights reserved
*
* This file is part of GPAC / Scene Management sub-project
*
* GPAC 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, or (at your option)
* any later version.
*
* GPAC 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 this library; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _GF_SWF_DEV_H_
#define _GF_SWF_DEV_H_
#include <gpac/scene_manager.h>
#include <gpac/color.h>
#include <gpac/media_tools.h>
#ifndef GPAC_DISABLE_SWF_IMPORT
#define SWF_TWIP_SCALE (1/20.0f)
typedef struct SWFReader SWFReader;
typedef struct SWFSound SWFSound;
typedef struct SWFText SWFText;
typedef struct SWFEditText SWFEditText;
typedef struct SWF_Button SWF_Button;
typedef struct SWFShape SWFShape;
typedef struct SWFFont SWFFont;
typedef struct SWFAction SWFAction;
enum
{
SWF_PLACE ,
SWF_REPLACE,
SWF_MOVE,
};
/*display list item (one per layer only)*/
typedef struct
{
GF_Matrix2D mat;
GF_ColorMatrix cmat;
u32 depth;
u32 char_id;
} DispShape;
struct SWFReader
{
GF_SceneLoader *load;
FILE *input;
char *inputName;
char *localPath;
/*file header*/
u32 length;
char *mem;
u32 frame_rate;
u32 frame_count;
Fixed width, height;
Bool has_interact, no_as;
Bool empty_frame;
/*copy of the swf import flags*/
u32 flags;
/*bit reader*/
GF_BitStream *bs;
GF_Err ioerr;
u32 current_frame;
/*current tag*/
u32 tag, size;
GF_List *display_list;
u32 max_depth;
/*defined fonts*/
GF_List *fonts;
/*define sounds*/
GF_List *sounds;
/*the one and only sound stream for current timeline*/
SWFSound *sound_stream;
/*when creating sprites:
1- all BIFS AUs in sprites are random access
2- depth is ignored in Sprites
*/
u32 current_sprite_id;
/*the parser can decide to remove nearly aligned pppoints in lineTo sequences*/
/*flatten limit - 0 means no flattening*/
Fixed flat_limit;
/*number of points removed*/
u32 flatten_points;
u8 *jpeg_hdr;
u32 jpeg_hdr_size;
/*callback functions for translator*/
GF_Err (*set_backcol)(SWFReader *read, u32 xrgb);
GF_Err (*show_frame)(SWFReader *read);
/*checks if display list is large enough - returns 1 if yes, 0 otherwise (and allocate space)*/
Bool (*allocate_depth)(SWFReader *read, u32 depth);
GF_Err (*place_obj)(SWFReader *read, u32 depth, u32 ID, u32 prev_id, u32 type, GF_Matrix2D *mat, GF_ColorMatrix *cmat, GF_Matrix2D *prev_mat, GF_ColorMatrix *prev_cmat);
GF_Err (*remove_obj)(SWFReader *read, u32 depth, u32 ID);
GF_Err (*define_shape)(SWFReader *read, SWFShape *shape, SWFFont *parent_font, Bool last_sub_shape);
GF_Err (*define_sprite)(SWFReader *read, u32 nb_frames);
GF_Err (*define_text)(SWFReader *read, SWFText *text);
GF_Err (*define_edit_text)(SWFReader *read, SWFEditText *text);
/*@button is NULL to signal end of button declaration, non-null otherwise. "action" callback will be
called inbetween*/
GF_Err (*define_button)(SWFReader *read, SWF_Button *button);
GF_Err (*setup_image)(SWFReader *read, u32 ID, char *fileName);
/*called whenever a sound is found. For soundstreams, called twice, once on the header (declaration),
and one on the first soundstream block for offset signaling*/
GF_Err (*setup_sound)(SWFReader *read, SWFSound *snd, Bool soundstream_first_block);
GF_Err (*start_sound)(SWFReader *read, SWFSound *snd, Bool stop);
/*performs an action, returns 0 if action not supported*/
Bool (*action)(SWFReader *read, SWFAction *act);
void (*finalize)(SWFReader *read);
/* <BIFS conversion state> */
/*all simple appearances (no texture)*/
GF_List *apps;
GF_List *buttons;
/*current BIFS stream*/
GF_StreamContext *bifs_es;
GF_AUContext *bifs_au;
GF_StreamContext *bifs_dict_es;
GF_AUContext *bifs_dict_au;
/*for sound insert*/
GF_Node *root;
/*current OD AU*/
GF_StreamContext *od_es;
GF_AUContext *od_au;
GF_Node *cur_shape;
u16 prev_od_id, prev_es_id;
u32 wait_frame;
SWF_Button *btn;
GF_List *btn_over, *btn_not_over, *btn_active, *btn_not_active;
/* </BIFS conversion state> */
/* SVG conversion state */
Bool print_stream_header;
Bool print_frame_header;
u32 frame_header_offset;
char *svg_data;
u32 svg_data_size;
Bool svg_shape_started;
/* end of SVG conversion state */
/* MP4 user */
void *user;
GF_Err (*add_sample)(void *user, const char *data, u32 length, u64 timestamp, Bool isRap);
GF_Err (*add_header)(void *user, const char *data, u32 length, Bool isHeader);
};
void swf_report(SWFReader *read, GF_Err e, char *format, ...);
SWFFont *swf_find_font(SWFReader *read, u32 fontID);
GF_Err swf_parse_sprite(SWFReader *read);
GF_Err swf_parse_tag(SWFReader *read);
#ifndef GPAC_DISABLE_VRML
GF_Err swf_to_bifs_init(SWFReader *read);
#endif
#ifndef GPAC_DISABLE_SVG
GF_Err swf_to_svg_init(SWFReader *read, u32 flags, Float angle);
GF_Err swf_svg_write_text_sample(void *user, const char *data, u32 length, u64 timestamp, Bool isRap);
GF_Err swf_svg_write_text_header(void *user, const char *data, u32 length, Bool isHeader);
#endif
SWFReader *gf_swf_reader_new(const char *path, const char *filename);
GF_Err gf_swf_read_header(SWFReader *read);
void gf_swf_reader_del(SWFReader *read);
GF_Err gf_swf_reader_set_user_mode(SWFReader *read, void *user,
GF_Err (*add_sample)(void *user, const char *data, u32 length, u64 timestamp, Bool isRap),
GF_Err (*add_header)(void *user, const char *data, u32 length, Bool isheader));
typedef struct
{
Fixed x, y;
Fixed w, h;
} SWFRec;
typedef struct
{
/*0: not defined, otherwise index of shape*/
u32 nbType;
/*0: moveTo, 1: lineTo, 2: quad curveTo*/
u32 *types;
SFVec2f *pts;
u32 nbPts;
/*used by SWF->BIFS for IndexedCurveSet*/
u32 *idx;
} SWFPath;
typedef struct
{
u32 type;
u32 solid_col;
u32 nbGrad;
u32 *grad_col;
u8 *grad_ratio;
GF_Matrix2D mat;
u32 img_id;
Fixed width;
SWFPath *path;
} SWFShapeRec;
struct SWFShape
{
GF_List *fill_left, *fill_right, *lines;
u32 ID;
SWFRec rc;
};
/*SWF font object*/
struct SWFFont
{
u32 fontID;
u32 nbGlyphs;
GF_List *glyphs;
/*the following may all be overridden by a DefineFontInfo*/
/*index -> glyph code*/
u16 *glyph_codes;
/*index -> glyph advance*/
s16 *glyph_adv;
/*font flags (SWF 3.0)*/
Bool has_layout;
Bool has_shiftJIS;
Bool is_unicode, is_ansi;
Bool is_bold, is_italic;
s16 ascent, descent, leading;
/*font familly*/
char *fontName;
};
/*chunk of text with the same aspect (font, col)*/
typedef struct
{
u32 fontID;
u32 col;
/*font size*/
u32 fontSize;
/*origin point in local metrics*/
Fixed orig_x, orig_y;
u32 nbGlyphs;
u32 *indexes;
Fixed *dx;
} SWFGlyphRec;
struct SWFText
{
u32 ID;
GF_Matrix2D mat;
GF_List *text;
};
struct SWFEditText
{
u32 ID;
char *init_value;
SWFRec bounds;
Bool word_wrap, multiline, password, read_only, auto_size, no_select, html, outlines, has_layout, border;
u32 color;
Fixed max_length, font_height;
u32 fontID;
u32 align;
Fixed left, right, indent, leading;
};
enum
{
SWF_SND_UNCOMP = 0,
SWF_SND_ADPCM,
SWF_SND_MP3
};
struct SWFSound
{
u32 ID;
u8 format;
/*0: 5.5k - 1: 11k - 2: 22k - 3: 44k*/
u8 sound_rate;
u8 bits_per_sample;
Bool stereo;
u16 sample_count;
u32 frame_delay_ms;
/*IO*/
FILE *output;
char *szFileName;
/*set when sound is setup (OD inserted)*/
Bool is_setup;
};
typedef struct
{
/*interaction states*/
Bool hitTest, down, over, up;
u32 character_id;
u16 depth;
GF_Matrix2D mx;
GF_ColorMatrix cmx;
Bool skip;
} SWF_ButtonRecord;
struct SWF_Button
{
u32 count;
SWF_ButtonRecord buttons[40];
u32 ID;
};
/*AS codes.*/
enum
{
GF_SWF_AS3_GOTO_FRAME,
GF_SWF_AS3_GET_URL,
GF_SWF_AS3_NEXT_FRAME,
GF_SWF_AS3_PREV_FRAME,
GF_SWF_AS3_PLAY,
GF_SWF_AS3_STOP,
GF_SWF_AS3_TOGGLE_QUALITY,
GF_SWF_AS3_STOP_SOUNDS,
GF_SWF_AS3_WAIT_FOR_FRAME,
GF_SWF_AS3_SET_TARGET,
GF_SWF_AS3_GOTO_LABEL,
};
enum
{
GF_SWF_COND_IDLE_TO_OVERDOWN = 1,
GF_SWF_COND_OUTDOWN_TO_IDLE = 1<<1,
GF_SWF_COND_OUTDOWN_TO_OVERDOWN = 1<<2,
GF_SWF_COND_OVERDOWN_TO_OUTDOWN = 1<<3,
GF_SWF_COND_OVERDOWN_TO_OUTUP = 1<<4,
GF_SWF_COND_OVERUP_TO_OVERDOWN = 1<<5,
GF_SWF_COND_OVERUP_TO_IDLE = 1<<6,
GF_SWF_COND_IDLE_TO_OVERUP = 1<<7,
GF_SWF_COND_OVERDOWN_TO_IDLE = 1<<8,
};
struct SWFAction
{
u32 type;
u32 frame_number;
u32 button_mask, button_key;
/*target (geturl/set_target), label (goto_frame)*/
char *target;
char *url;
};
#endif /*GPAC_DISABLE_SWF_IMPORT*/
#endif /*_GF_SWF_DEV_H_*/
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