Function float2half

libavutil/float2half.h:38–54

void ff_init_float2half_tables(Float2HalfTables *t);

static inline uint16_t float2half(uint32_t f, const Float2HalfTables *t)
{
#if HAVE_FAST_FLOAT16
    union {
        _Float16 f;
        uint16_t i;
    } u;
    u.f = av_int2float(f);
    return u.i;
#else
    uint16_t h;

    h = t->basetable[(f >> 23) & 0x1ff] + ((f & 0x007fffff) >> t->shifttable[(f >> 23) & 0x1ff]);

    return h;
#endif
}

#endif /* AVUTIL_FLOAT2HALF_H */