memcpy(h, h1, offsetof(H264Context, intra_pcm_ptr));
memcpy(&h->cabac, &h1->cabac,
sizeof(H264Context) - offsetof(H264Context, cabac));
memcpy(h, h1, offsetof(H264Context, intra_pcm_ptr));
memcpy(&h->cabac, &h1->cabac,
sizeof(H264Context) - offsetof(H264Context, cabac));
memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
memset(h->pps_buffers, 0, sizeof(h->pps_buffers));