diff options
Diffstat (limited to 'ffmpeg/libavcodec/ass.h')
| -rw-r--r-- | ffmpeg/libavcodec/ass.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/ffmpeg/libavcodec/ass.h b/ffmpeg/libavcodec/ass.h index e9339e4..2df38e6 100644 --- a/ffmpeg/libavcodec/ass.h +++ b/ffmpeg/libavcodec/ass.h @@ -23,6 +23,7 @@ #define AVCODEC_ASS_H #include "avcodec.h" +#include "libavutil/bprint.h" /** * @name Default values for ASS style @@ -76,7 +77,9 @@ int ff_ass_subtitle_header_default(AVCodecContext *avctx); * @param ts_start start timestamp for this dialog (in 1/100 second unit) * @param duration duration for this dialog (in 1/100 second unit), can be -1 * to last until the end of the presentation - * @param raw when set to 1, it indicates that dialog contains a whole ASS + * @param raw when set to 2, it indicates that dialog contains an ASS + * dialog line as muxed in Matroska + * when set to 1, it indicates that dialog contains a whole SSA * dialog line which should be copied as is. * when set to 0, it indicates that dialog contains only the Text * part of the ASS dialog line, the rest of the line @@ -88,4 +91,38 @@ int ff_ass_subtitle_header_default(AVCodecContext *avctx); int ff_ass_add_rect(AVSubtitle *sub, const char *dialog, int ts_start, int duration, int raw); +/** + * Add an ASS dialog line to an AVBPrint buffer. + * + * @param buf pointer to an initialized AVBPrint buffer + * @param dialog ASS dialog to add to sub + * @param ts_start start timestamp for this dialog (in 1/100 second unit) + * @param duration duration for this dialog (in 1/100 second unit), can be -1 + * to last until the end of the presentation + * @param raw when set to 2, it indicates that dialog contains an ASS + * dialog line as muxed in Matroska + * when set to 1, it indicates that dialog contains a whole SSA + * dialog line which should be copied as is. + * when set to 0, it indicates that dialog contains only the Text + * part of the ASS dialog line, the rest of the line + * will be generated. + * @return number of characters read from dialog. It can be less than the whole + * length of dialog, if dialog contains several lines of text. + * A negative value indicates an error. + */ +int ff_ass_bprint_dialog(AVBPrint *buf, const char *dialog, + int ts_start, int duration, int raw); + +/** + * Escape a text subtitle using ASS syntax into an AVBPrint buffer. + * Newline characters will be escaped to \N. + * + * @param buf pointer to an initialized AVBPrint buffer + * @param p source text + * @param size size of the source text + * @param linebreaks additional newline chars, which will be escaped to \N + * @param keep_ass_markup braces and backslash will not be escaped if set + */ +void ff_ass_bprint_text_event(AVBPrint *buf, const char *p, int size, + const char *linebreaks, int keep_ass_markup); #endif /* AVCODEC_ASS_H */ |