aptx_qmf_polyphase_synthesis 64 libavcodec/aptxdec.c aptx_qmf_polyphase_synthesis(qmf->inner_filter_signal[i], aptx_qmf_polyphase_synthesis 72 libavcodec/aptxdec.c aptx_qmf_polyphase_synthesis(qmf->outer_filter_signal,