CHECK_BLOCK      2397 libavformat/mpegts.c     for (i = 0; i<check_count; i+=CHECK_BLOCK) {
CHECK_BLOCK      2398 libavformat/mpegts.c         int left = FFMIN(check_count - i, CHECK_BLOCK);
CHECK_BLOCK      2408 libavformat/mpegts.c     maxscore = maxscore * CHECK_COUNT / CHECK_BLOCK;