95     if (ctx->mClientFd < 0) {  in init()
96         ctx->mClientFd = mpp_vcodec_open();  in init()
97         if (ctx->mClientFd < 0) {  in init()
106     kmpp_obj_set_s32(ctx->mVencInitKcfg, "chan_fd", ctx->mClientFd);  in init()
108     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_CREATE, 0, size, hnd);  in init()
115         ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_START, 0, 0, 0);  in init()
126     mpp_log("client %d open chan_id %d ok", ctx->mClientFd, chan_id);  in init()
142     ctx->mClientFd = mpp_vcodec_open();  in open_client()
143     if (ctx->mClientFd < 0) {  in open_client()
158         ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_DESTROY, 0, 0, 0);  in clear()
163     if (ctx->mClientFd >= 0)  in clear()
164         mpp_vcodec_close(ctx->mClientFd);  in clear()
165     ctx->mClientFd = -1;  in clear()
188     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_START, 0, 0, 0);  in start()
205     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_START, 0, 0, 0);  in stop()
222     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_PAUSE, 0, 0, 0);  in mpp_pause()
239     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_RESUME, 0, 0, 0);  in resume()
343     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_IN_FRM_RDY, 0, size, ptr);  in put_frame()
364     FD_SET(ctx->mClientFd, &read_fds);  in get_packet()
367     ret = select(ctx->mClientFd + 1, &read_fds, NULL, NULL, &timeout);  in get_packet()
371     if (FD_ISSET(ctx->mClientFd, &read_fds)) {  in get_packet()
381         ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_OUT_PKT_RDY,  in get_packet()
439     if (ctx->mClientFd < 0)  in release_packet()
547     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_CONTROL, cmd, size, arg);  in control()
565     ret = mpp_vcodec_ioctl(ctx->mClientFd, VCODEC_CHAN_RESET, 0, 0, 0);  in reset()
602     if (ctx->mClientFd >= 0)  in get_fd()
603         *fd = fcntl(ctx->mClientFd, F_DUPFD_CLOEXEC, 3);  in get_fd()