函数 av_murmur3_init_seeded 

pub unsafe extern "C" fn av_murmur3_init_seeded(
    c: *mut AVMurMur3,
    seed: u64,
)

Initialize or reinitialize an AVMurMur3 hash context with a seed.

@param[out] c Hash context @param[in] seed Random seed

@see av_murmur3_init() @see @ref lavu_murmur3_seedinfo “Detailed description” on a discussion of seeds for MurmurHash3.