QUANT_BIAS_SHIFT  152 libavcodec/mpegvideo_enc.c                     ROUNDED_DIV(bias * (1<<(16 - QUANT_BIAS_SHIFT)),
QUANT_BIAS_SHIFT  737 libavcodec/mpegvideo_enc.c         s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3);
QUANT_BIAS_SHIFT  742 libavcodec/mpegvideo_enc.c         s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2));
QUANT_BIAS_SHIFT 4671 libavcodec/mpegvideo_enc.c         bias= s->intra_quant_bias*(1<<(QMAT_SHIFT - QUANT_BIAS_SHIFT));
QUANT_BIAS_SHIFT 4677 libavcodec/mpegvideo_enc.c         bias= s->inter_quant_bias*(1<<(QMAT_SHIFT - QUANT_BIAS_SHIFT));