ff_fetch_timestamp  230 libavcodec/mpeg12.c                 ff_fetch_timestamp(s, i - 3, 1, i > 3);
ff_fetch_timestamp  163 libavcodec/parser.c         ff_fetch_timestamp(s, 0, 0, 0);
ff_fetch_timestamp   58 libavcodec/parser.h void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove, int fuzzy);