QUANT_BIAS_SHIFT  138 libavcodec/mpegvideo_enc.c                     ROUNDED_DIV(bias << (16 - QUANT_BIAS_SHIFT),
QUANT_BIAS_SHIFT  665 libavcodec/mpegvideo_enc.c         s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3);
QUANT_BIAS_SHIFT  670 libavcodec/mpegvideo_enc.c         s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2));
QUANT_BIAS_SHIFT 4504 libavcodec/mpegvideo_enc.c         bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
QUANT_BIAS_SHIFT 4509 libavcodec/mpegvideo_enc.c         bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);