hi3516cv610 om模型部署

问题描述

hi3516cv610中用om模型部署的时候，使用ss_mpi_vpss_get_chn_frame函数返回“操作不允许”。这里使用的是vpss chnl0。

问题出现的环境背景及自己尝试过哪些方法

这里用到了vpss 中的chnl 0（原始视频帧） 和1（用于推理视频），这里在使用vpss chnl 获取图像数据前先将vpss与venc解绑了，然后设置chnl的深度为1 能够获取到图像，但是在使用chnl 0时按照同样的流程，获取不到图像信息，而且报错（操作不允许）。

相关代码

static td_void sample_svp_npu_acl_to_venc(td_void args)
{
td_s32 ret;
ot_video_frame_info base_frame, ext_frame;
const td_s32 milli_sec = SAMPLE_SVP_NPU_MILLIC_SEC;
const td_s32 vpss_grp = 0;
td_s32 vpss_chn[] = { OT_VPSS_CHN0, OT_VPSS_CHN1 };
td_u32 size, stride;
td_u8 *data = TD_NULL;
td_s32 frame_index = 0;

(td_void)prctl(PR_SET_NAME, "svp_npu_to_venc", 0, 0, 0);

ret = svp_acl_rt_set_device(g_svp_npu_dev_id);
sample_svp_check_exps_return(ret != TD_SUCCESS, TD_NULL, SAMPLE_SVP_ERR_LEVEL_ERROR, "open device failed!\n");

ret = sample_svp_npu_acl_vb_map(OT_VPSS_CHN1);
sample_svp_check_exps_goto(ret != TD_SUCCESS, fail_0, SAMPLE_SVP_ERR_LEVEL_ERROR, "map vb pool failed!\n");

ret = sample_common_svp_npu_get_input_data_buffer_info(&g_svp_npu_task[0], 0, &data, &size, &stride);
sample_svp_check_exps_goto(ret != TD_SUCCESS, fail_1, SAMPLE_SVP_ERR_LEVEL_ERROR,
    "Error(%#x),get_input_data_buffer_info failed!\n", ret);

while (g_svp_npu_thread_stop == TD_FALSE) {
    frame_index++;

    ret = ss_mpi_vpss_get_chn_frame(vpss_grp, vpss_chn[1], &ext_frame, milli_sec);
    sample_svp_check_exps_continue(ret != TD_SUCCESS, SAMPLE_SVP_ERR_LEVEL_ERROR,
        "Error(%#x),ss_mpi_vpss_get_chn_frame failed, vpss_grp(%d), vpss_chn(%d)!\n", ret, vpss_grp, vpss_chn[1]);

    ret = ss_mpi_vpss_get_chn_frame(vpss_grp, vpss_chn[0], &base_frame, milli_sec);
    sample_svp_check_exps_goto(ret != TD_SUCCESS, ext_release, SAMPLE_SVP_ERR_LEVEL_ERROR,
        "Error(%#x),ss_mpi_vpss_get_chn_frame failed, VPSS_GRP(%d), VPSS_CHN(%d)!\n", ret, vpss_grp, vpss_chn[0]);

    ret = sample_svp_npu_acl_frame_proc(&ext_frame, &base_frame, args);
    sample_svp_check_exps_goto(ret != TD_SUCCESS, base_release, SAMPLE_SVP_ERR_LEVEL_ERROR,
        "Error(%#x),sample_svp_npu_acl_frame_proc failed!\n", ret);

    ret = sample_common_svp_venc_send_stream(&g_svp_npu_media_cfg.svp_switch, 0, &base_frame);
    sample_svp_check_exps_goto(ret != TD_SUCCESS, base_release, SAMPLE_SVP_ERR_LEVEL_ERROR,
        "Error(%#x),sample_common_svp_venc_send_stream failed!\n", ret);

base_release:
ret = ss_mpi_vpss_release_chn_frame(vpss_grp, vpss_chn[0], &base_frame);
sample_svp_check_exps_trace(ret != TD_SUCCESS, SAMPLE_SVP_ERR_LEVEL_ERROR,
“Error(%#x),release_frame failed,grp(%d) chn(%d)!\n”, ret, vpss_grp, vpss_chn[0]);
ext_release:
ret = ss_mpi_vpss_release_chn_frame(vpss_grp, vpss_chn[1], &ext_frame);
sample_svp_check_exps_trace(ret != TD_SUCCESS, SAMPLE_SVP_ERR_LEVEL_ERROR,
“Error(%#x),release_frame failed,grp(%d) chn(%d)!\n”, ret, vpss_grp, vpss_chn[1]);
}
ret = sample_common_svp_npu_update_input_data_buffer_info(data, size, stride, 0, &g_svp_npu_task[0]);
sample_svp_check_exps_trace(ret != TD_SUCCESS, SAMPLE_SVP_ERR_LEVEL_ERROR, “update buffer failed!\n”);
fail_1:
(td_void)ss_mpi_sys_munmap(g_svp_npu_vb_virt_addr, g_svp_npu_vb_pool_info.pool_size);
fail_0:
(td_void)svp_acl_rt_reset_device(g_svp_npu_dev_id);
return TD_NULL;
}

你期待的结果是什么？实际看到的错误信息又是什么？

我想知道，为什么无法使用vps获取chnl0的fram，是我vpss chnl0设置的不对吗还是有什么流程？