ROUND_TO_ZERO     191 libavcodec/aacenc_quantization.h QUANTIZE_AND_ENCODE_BAND_COST_FUNC(ESC_RTZ, 0, 1, 1, 1, 0, 0, ROUND_TO_ZERO)
ROUND_TO_ZERO     995 libavcodec/mips/aaccoder_mips.c                                   INFINITY, NULL, NULL, (rtz) ? ROUND_TO_ZERO : ROUND_STANDARD);