ff_atrac3p_ipqf 233 libavcodec/atrac3plus.h void ff_atrac3p_ipqf(FFTContext *dct_ctx, Atrac3pIPQFChannelCtx *hist, ff_atrac3p_ipqf 310 libavcodec/atrac3plusdec.c ff_atrac3p_ipqf(&ctx->ipqf_dct_ctx, &ch_unit->ipqf_ctx[ch],