ff_subtitles_read_text_chunk  101 libavformat/srtdec.c         ff_subtitles_read_text_chunk(&tr, &buf);
ff_subtitles_read_text_chunk  376 libavformat/subtitles.c     ff_subtitles_read_text_chunk(&tr, buf);
ff_subtitles_read_text_chunk  177 libavformat/subtitles.h void ff_subtitles_read_text_chunk(FFTextReader *tr, AVBPrint *buf);