fat_vfs_ops sdfile_vfs_ops sbc_decoder msbc_decoder sbc_hwaccel cvsd_decoder pcm_decoder mp3_decoder wma_decoder flac_decoder ape_decoder m4a_decoder alac_decoder amr_decoder dts_decoder g729_decoder wav_decoder cvsd_encoder msbc_encoder mp3_encoder g726_encoder adpcm_encoder pcm_encoder sbc_encoder eff_adj_target