FFmpeg: libavcodec/ass_split.h File Reference

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Data Structures | Functions

ass_split.h File Reference

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Data Structures

struct ASSScriptInfo

fields extracted from the [Script Info] section More...

struct ASSStyle

fields extracted from the [V4(+) Styles] section More...

struct ASSDialog

fields extracted from the [Events] section More...

struct ASS

structure containing the whole split ASS data More...

struct ASSCodesCallbacks

Set of callback functions corresponding to each override codes that can be encountered in a "Dialogue" Text field. More...

Functions

ASSSplitContext * ff_ass_split (const char *buf)

Split a full ASS file or a ASS header from a string buffer and store the split structure in a newly allocated context. More...

void ff_ass_free_dialog (ASSDialog **dialogp)

Free a dialogue obtained from ff_ass_split_dialog(). More...

ASSDialog * ff_ass_split_dialog (ASSSplitContext *ctx, const char *buf)

Split one ASS Dialogue line from a string buffer. More...

void ff_ass_split_free (ASSSplitContext *ctx)

Free all the memory allocated for an ASSSplitContext. More...

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

Split override codes out of a ASS "Dialogue" Text field. More...

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

Find an ASSStyle structure by its name. More...

Function Documentation

◆ ff_ass_split()

ASSSplitContext* ff_ass_split ( const char * buf )

Split a full ASS file or a ASS header from a string buffer and store the split structure in a newly allocated context.

Parameters: buf String containing the ASS formatted data.

Returns: Newly allocated struct containing split data.

Definition at line 382 of file ass_split.c.

Referenced by mov_text_encode_init(), srt_encode_init(), ttml_encode_init(), and webvtt_encode_init().

◆ ff_ass_free_dialog()

void ff_ass_free_dialog ( ASSDialog ** dialogp )

Free a dialogue obtained from ff_ass_split_dialog().

Definition at line 421 of file ass_split.c.

Referenced by encode_frame(), ff_ass_split_dialog(), mov_text_encode_frame(), ttml_encode_frame(), and webvtt_encode_frame().

◆ ff_ass_split_dialog()

ASSDialog* ff_ass_split_dialog ( ASSSplitContext * ctx,

const char * buf

)

Split one ASS Dialogue line from a string buffer.

Parameters: ctx Context previously initialized by ff_ass_split().

buf String containing the ASS "Dialogue" line.

Returns: Pointer to the split ASSDialog. Must be freed with ff_ass_free_dialog()

Definition at line 433 of file ass_split.c.

Referenced by encode_frame(), mov_text_encode_frame(), ttml_encode_frame(), and webvtt_encode_frame().

◆ ff_ass_split_free()

void ff_ass_split_free ( ASSSplitContext * ctx )

Free all the memory allocated for an ASSSplitContext.

Parameters: ctx Context previously initialized by ff_ass_split().

Definition at line 470 of file ass_split.c.

Referenced by ff_ass_split(), mov_text_encode_close(), srt_encode_close(), ttml_encode_close(), and webvtt_encode_close().

◆ ff_ass_split_override_codes()

int ff_ass_split_override_codes ( const ASSCodesCallbacks * callbacks,

void * priv,

const char * buf

)

Split override codes out of a ASS "Dialogue" Text field.

Parameters: callbacks Set of callback functions called for each override code encountered.

priv Opaque pointer passed to the callback functions.

buf The ASS "Dialogue" Text field to split.

Returns: >= 0 on success otherwise an error code <0

Definition at line 483 of file ass_split.c.

Referenced by encode_frame(), mov_text_encode_frame(), ttml_encode_frame(), and webvtt_encode_frame().

◆ ff_ass_style_get()

ASSStyle* ff_ass_style_get ( ASSSplitContext * ctx,

const char * style

)

Find an ASSStyle structure by its name.

Parameters: ctx Context previously initialized by ff_ass_split().

style name of the style to search for.

Returns: the ASSStyle corresponding to style, or NULL if style can't be found

Definition at line 578 of file ass_split.c.

Referenced by encode_sample_description(), mov_text_cancel_overrides_cb(), mov_text_dialog(), srt_style_apply(), and webvtt_style_apply().

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