ff_dcaadpcm_subband_analysis   44 libavcodec/dcaadpcm.h int ff_dcaadpcm_subband_analysis(const DCAADPCMEncContext *s, const int32_t *input, int len, int *diff);
ff_dcaadpcm_subband_analysis  582 libavcodec/dcaenc.c             pred_vq_id = ff_dcaadpcm_subband_analysis(&c->adpcm_ctx, samples,