TEST_FREQ_CHROMA   74 libavfilter/vsrc_mptestsrc.c         { "freq_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_CHROMA}, INT_MIN, INT_MAX, FLAGS, "test" },
TEST_FREQ_CHROMA  330 libavfilter/vsrc_mptestsrc.c     case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], frame%30); break;