FFmpeg transcoder base. More...

#include "ffmpeg_utils.h"

Include dependency graph for ffmpeg_base.h:

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Classes
class	FFmpeg_Base
	The FFmpeg_Base class. More...

Macros
#define	ASS_DEFAULT_PLAYRESX 384
	Default X resolution.

#define	ASS_DEFAULT_PLAYRESY 288
	Default Y resolution.

#define	ASS_DEFAULT_FONT "Arial"
	Default font name.

#define	ASS_DEFAULT_FONT_SIZE 16
	Default font size.

#define	ASS_DEFAULT_COLOUR 0xffffff
	Default foreground colour: white.

#define	ASS_DEFAULT_BACK_COLOUR 0
	Default background colour.

#define	ASS_DEFAULT_BOLD 0
	Default no bold font.

#define	ASS_DEFAULT_ITALIC 0
	Default no italics.

#define	ASS_DEFAULT_UNDERLINE 0
	Default no underline.

#define	ASS_DEFAULT_ALIGNMENT 2
	Default alignment: bottom centre Alignment values are based on the numeric keypad. 1 - bottom left, 2 - bottom centre, 3 - bottom right, 4 - center left, 5 - center centre, 6 - center right, 7 - top left, 8 - top center, 9 - top right. In addition to determining the position of the subtitle, this also determines the alignment of the text itself.

#define	ASS_DEFAULT_BORDERSTYLE 1
	Default border style: outline with shadow 1 - Outline with shadow, 3 - Rendered with an opaque box.

Detailed Description

FFmpeg transcoder base.

Author: Norbert Schlia (nschl.nosp@m.ia@o.nosp@m.blivi.nosp@m.on-s.nosp@m.oftwa.nosp@m.re.d.nosp@m.e)

Copyright: Copyright (C) 2017-2026 Norbert Schlia (nschl.nosp@m.ia@o.nosp@m.blivi.nosp@m.on-s.nosp@m.oftwa.nosp@m.re.d.nosp@m.e)

Definition in file ffmpeg_base.h.

Macro Definition Documentation

◆ ASS_DEFAULT_ALIGNMENT

#define ASS_DEFAULT_ALIGNMENT 2

Default alignment: bottom centre Alignment values are based on the numeric keypad. 1 - bottom left, 2 - bottom centre, 3 - bottom right, 4 - center left, 5 - center centre, 6 - center right, 7 - top left, 8 - top center, 9 - top right. In addition to determining the position of the subtitle, this also determines the alignment of the text itself.

Definition at line 243 of file ffmpeg_base.h.

◆ ASS_DEFAULT_BACK_COLOUR

#define ASS_DEFAULT_BACK_COLOUR 0

Default background colour.

Definition at line 224 of file ffmpeg_base.h.

◆ ASS_DEFAULT_BOLD

#define ASS_DEFAULT_BOLD 0

Default no bold font.

Definition at line 225 of file ffmpeg_base.h.

◆ ASS_DEFAULT_BORDERSTYLE

#define ASS_DEFAULT_BORDERSTYLE 1

Default border style: outline with shadow 1 - Outline with shadow, 3 - Rendered with an opaque box.

Definition at line 249 of file ffmpeg_base.h.

◆ ASS_DEFAULT_COLOUR

#define ASS_DEFAULT_COLOUR 0xffffff

Default foreground colour: white.

Colour values are expressed in hexadecimal BGR format as &HBBGGRR& or ABGR (with alpha channel) as &HAABBGGRR&.

Transparency (alpha) can be expressed as &HAA&.

Note that in the alpha channel, 00 is opaque and FF is transparent.

Definition at line 223 of file ffmpeg_base.h.

◆ ASS_DEFAULT_FONT

#define ASS_DEFAULT_FONT "Arial"

Default font name.

Definition at line 211 of file ffmpeg_base.h.

◆ ASS_DEFAULT_FONT_SIZE

#define ASS_DEFAULT_FONT_SIZE 16

Default font size.

Definition at line 212 of file ffmpeg_base.h.

◆ ASS_DEFAULT_ITALIC

#define ASS_DEFAULT_ITALIC 0

Default no italics.

Definition at line 226 of file ffmpeg_base.h.

◆ ASS_DEFAULT_PLAYRESX

#define ASS_DEFAULT_PLAYRESX 384

Default X resolution.

Definition at line 209 of file ffmpeg_base.h.

◆ ASS_DEFAULT_PLAYRESY

#define ASS_DEFAULT_PLAYRESY 288

Default Y resolution.

Definition at line 210 of file ffmpeg_base.h.

◆ ASS_DEFAULT_UNDERLINE

#define ASS_DEFAULT_UNDERLINE 0

Default no underline.

Definition at line 227 of file ffmpeg_base.h.

Classes

Macros