ff_atrac3p_decode_channel_unit 170 libavcodec/atrac3plus.h int ff_atrac3p_decode_channel_unit(GetBitContext *gb, Atrac3pChanUnitCtx *ctx, ff_atrac3p_decode_channel_unit 363 libavcodec/atrac3plusdec.c if ((ret = ff_atrac3p_decode_channel_unit(&ctx->gb,