FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Data Fields
DrawTextContext Struct Reference

Data Fields

const AVClassclass
 
enum expansion_mode exp_mode
 expansion mode to use for the text
 
int reinit
 tells if the filter is being reinited
 
uint8_tfontfile
 font to be used
 
uint8_ttext
 text to be drawn
 
AVBPrint expanded_text
 used to contain the expanded text
 
uint8_tfontcolor_expr
 fontcolor expression to evaluate
 
AVBPrint expanded_fontcolor
 used to contain the expanded fontcolor spec
 
int ft_load_flags
 flags used for loading fonts, see FT_LOAD_*
 
FT_Vector * positions
 positions for each element in the text
 
size_t nb_positions
 number of elements of positions array
 
char * textfile
 file with text to be drawn
 
int x
 x position to start drawing text
 
int y
 y position to start drawing text
 
int max_glyph_w
 max glyph width
 
int max_glyph_h
 max glyph height
 
int shadowx
 
int shadowy
 
int borderw
 border width
 
unsigned int fontsize
 font size to use
 
short int draw_box
 draw box around text - true or false
 
int use_kerning
 font kerning is used - true/false
 
int tabsize
 tab size
 
int fix_bounds
 do we let it go out of frame bounds - t/f
 
FFDrawContext dc
 
FFDrawColor fontcolor
 foreground color
 
FFDrawColor shadowcolor
 shadow color
 
FFDrawColor bordercolor
 border color
 
FFDrawColor boxcolor
 background color
 
FT_Library library
 freetype font library handle
 
FT_Face face
 freetype font face handle
 
FT_Stroker stroker
 freetype stroker handle
 
struct AVTreeNodeglyphs
 rendered glyphs, stored using the UTF-32 char code
 
char * x_expr
 expression for x position
 
char * y_expr
 expression for y position
 
AVExprx_pexpr
 
AVExpry_pexpr
 parsed expressions for x and y
 
int64_t basetime
 base pts time in the real world for display
 
double var_values [VAR_VARS_NB]
 
AVLFG prng
 random
 
char * tc_opt_string
 specified timecode option string
 
AVRational tc_rate
 frame rate for timecode
 
AVTimecode tc
 timecode context
 
int tc24hmax
 1 if timecode is wrapped to 24 hours, 0 otherwise
 
int reload
 reload text file for each frame
 
int start_number
 starting frame number for n/frame_num var
 
AVDictionarymetadata
 

Detailed Description

Definition at line 136 of file vf_drawtext.c.

Field Documentation

const AVClass* DrawTextContext::class

Definition at line 137 of file vf_drawtext.c.

enum expansion_mode DrawTextContext::exp_mode

expansion mode to use for the text

Definition at line 138 of file vf_drawtext.c.

Referenced by draw_text(), and init().

int DrawTextContext::reinit

tells if the filter is being reinited

Definition at line 139 of file vf_drawtext.c.

Referenced by command().

uint8_t* DrawTextContext::fontfile

font to be used

Definition at line 143 of file vf_drawtext.c.

Referenced by init(), load_font(), and load_font_file().

uint8_t* DrawTextContext::text

text to be drawn

Definition at line 144 of file vf_drawtext.c.

Referenced by draw_text(), init(), and load_textfile().

AVBPrint DrawTextContext::expanded_text

used to contain the expanded text

Definition at line 145 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), init(), and uninit().

uint8_t* DrawTextContext::fontcolor_expr

fontcolor expression to evaluate

Definition at line 146 of file vf_drawtext.c.

Referenced by draw_text().

AVBPrint DrawTextContext::expanded_fontcolor

used to contain the expanded fontcolor spec

Definition at line 147 of file vf_drawtext.c.

Referenced by draw_text(), init(), and uninit().

int DrawTextContext::ft_load_flags

flags used for loading fonts, see FT_LOAD_*

Definition at line 148 of file vf_drawtext.c.

Referenced by load_glyph().

FT_Vector* DrawTextContext::positions

positions for each element in the text

Definition at line 149 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), and uninit().

size_t DrawTextContext::nb_positions

number of elements of positions array

Definition at line 150 of file vf_drawtext.c.

Referenced by draw_text(), and uninit().

char* DrawTextContext::textfile

file with text to be drawn

Definition at line 151 of file vf_drawtext.c.

Referenced by init(), and load_textfile().

int DrawTextContext::x

x position to start drawing text

Definition at line 152 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), and filter_frame().

int DrawTextContext::y

y position to start drawing text

Definition at line 153 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), and filter_frame().

int DrawTextContext::max_glyph_w

max glyph width

Definition at line 154 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::max_glyph_h

max glyph height

Definition at line 155 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::shadowx

Definition at line 156 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::shadowy

Definition at line 156 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::borderw

border width

Definition at line 157 of file vf_drawtext.c.

Referenced by draw_text(), init(), and load_glyph().

unsigned int DrawTextContext::fontsize

font size to use

Definition at line 158 of file vf_drawtext.c.

Referenced by init().

short int DrawTextContext::draw_box

draw box around text - true or false

Definition at line 160 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::use_kerning

font kerning is used - true/false

Definition at line 161 of file vf_drawtext.c.

Referenced by draw_text(), and init().

int DrawTextContext::tabsize

tab size

Definition at line 162 of file vf_drawtext.c.

Referenced by draw_text(), and init().

int DrawTextContext::fix_bounds

do we let it go out of frame bounds - t/f

Definition at line 163 of file vf_drawtext.c.

FFDrawContext DrawTextContext::dc

Definition at line 165 of file vf_drawtext.c.

Referenced by config_input(), draw_glyphs(), and draw_text().

FFDrawColor DrawTextContext::fontcolor

foreground color

Definition at line 166 of file vf_drawtext.c.

Referenced by config_input(), and draw_text().

FFDrawColor DrawTextContext::shadowcolor

shadow color

Definition at line 167 of file vf_drawtext.c.

Referenced by config_input(), and draw_text().

FFDrawColor DrawTextContext::bordercolor

border color

Definition at line 168 of file vf_drawtext.c.

Referenced by config_input(), and draw_text().

FFDrawColor DrawTextContext::boxcolor

background color

Definition at line 169 of file vf_drawtext.c.

Referenced by config_input(), and draw_text().

FT_Library DrawTextContext::library

freetype font library handle

Definition at line 171 of file vf_drawtext.c.

Referenced by init(), load_font_file(), and uninit().

FT_Face DrawTextContext::face

freetype font face handle

Definition at line 172 of file vf_drawtext.c.

Referenced by draw_text(), init(), load_font_file(), load_glyph(), and uninit().

FT_Stroker DrawTextContext::stroker

freetype stroker handle

Definition at line 173 of file vf_drawtext.c.

Referenced by init(), load_glyph(), and uninit().

struct AVTreeNode* DrawTextContext::glyphs

rendered glyphs, stored using the UTF-32 char code

Definition at line 174 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), load_glyph(), and uninit().

char* DrawTextContext::x_expr

expression for x position

Definition at line 175 of file vf_drawtext.c.

Referenced by config_input().

char* DrawTextContext::y_expr

expression for y position

Definition at line 176 of file vf_drawtext.c.

Referenced by config_input().

AVExpr* DrawTextContext::x_pexpr

Definition at line 177 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and uninit().

AVExpr * DrawTextContext::y_pexpr

parsed expressions for x and y

Definition at line 177 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and uninit().

int64_t DrawTextContext::basetime

base pts time in the real world for display

Definition at line 178 of file vf_drawtext.c.

Referenced by draw_text().

double DrawTextContext::var_values[VAR_VARS_NB]
AVLFG DrawTextContext::prng

random

Definition at line 180 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), func_eval_expr(), and func_eval_expr_int_format().

char* DrawTextContext::tc_opt_string

specified timecode option string

Definition at line 181 of file vf_drawtext.c.

Referenced by draw_text(), and init().

AVRational DrawTextContext::tc_rate

frame rate for timecode

Definition at line 182 of file vf_drawtext.c.

Referenced by init().

AVTimecode DrawTextContext::tc

timecode context

Definition at line 183 of file vf_drawtext.c.

Referenced by draw_text(), and init().

int DrawTextContext::tc24hmax

1 if timecode is wrapped to 24 hours, 0 otherwise

Definition at line 184 of file vf_drawtext.c.

Referenced by init().

int DrawTextContext::reload

reload text file for each frame

Definition at line 185 of file vf_drawtext.c.

Referenced by filter_frame(), and init().

int DrawTextContext::start_number

starting frame number for n/frame_num var

Definition at line 186 of file vf_drawtext.c.

Referenced by filter_frame().

AVDictionary* DrawTextContext::metadata

Definition at line 190 of file vf_drawtext.c.

Referenced by filter_frame(), and func_metadata().


The documentation for this struct was generated from the following file: