ff_imdct15_init 1158 libavcodec/aacdec.c ret = ff_imdct15_init(&ac->mdct480, 5); ff_imdct15_init 47 libavcodec/imdct15.h int ff_imdct15_init(IMDCT15Context **s, int N); ff_imdct15_init 2207 libavcodec/opus_celt.c ret = ff_imdct15_init(&s->imdct[i], i + 3);