PFRAME_BIT
__be16 pframe_bit = htons(PFRAME_BIT);
*output++ = (blocktype == PBLOCK ? htons(PFRAME_BIT) : 0);
if ((stat & PFRAME_BIT) && !is_intra)
if ((stat & PFRAME_BIT) && !is_intra)
((stat & PFRAME_BIT) && !is_intra) ? 0 : 1);
if ((stat & PFRAME_BIT) && !is_intra)