diff --git a/utils/mpi_enc_utils.c b/utils/mpi_enc_utils.c
index 0daeee3d..b5d90224 100644
--- a/utils/mpi_enc_utils.c
+++ b/utils/mpi_enc_utils.c
@@ -265,6 +265,92 @@ MPP_RET mpi_enc_test_cmd_put(MpiEncTestArgs* cmd)
     return MPP_OK;
 }
 
+MPP_RET mpi_enc_gen_ref_cfg(MppEncRefCfg ref)
+{
+    MppEncRefLtFrmCfg lt_ref[4];
+    MppEncRefStFrmCfg st_ref[16];
+    RK_S32 lt_cnt = 1;
+    RK_S32 st_cnt = 9;
+    MPP_RET ret = MPP_OK;
+
+    memset(&lt_ref, 0, sizeof(lt_ref));
+    memset(&st_ref, 0, sizeof(st_ref));
+
+    ret = mpp_enc_ref_cfg_set_cfg_cnt(ref, lt_cnt, st_cnt);
+
+    /* set 8 frame lt-ref gap */
+    lt_ref[0].lt_idx        = 0;
+    lt_ref[0].temporal_id   = 0;
+    lt_ref[0].ref_mode      = REF_TO_PREV_LT_REF;
+    lt_ref[0].lt_gap        = 8;
+    lt_ref[0].lt_delay      = 0;
+
+    ret = mpp_enc_ref_cfg_add_lt_cfg(ref, 1, lt_ref);
+
+    /* set tsvc4 st-ref struct */
+    /* st 0 layer 0 - ref */
+    st_ref[0].is_non_ref    = 0;
+    st_ref[0].temporal_id   = 0;
+    st_ref[0].ref_mode      = REF_TO_TEMPORAL_LAYER;
+    st_ref[0].ref_arg       = 0;
+    st_ref[0].repeat        = 0;
+    /* st 1 layer 3 - non-ref */
+    st_ref[1].is_non_ref    = 1;
+    st_ref[1].temporal_id   = 3;
+    st_ref[1].ref_mode      = REF_TO_PREV_REF_FRM;
+    st_ref[1].ref_arg       = 0;
+    st_ref[1].repeat        = 0;
+    /* st 2 layer 2 - ref */
+    st_ref[2].is_non_ref    = 0;
+    st_ref[2].temporal_id   = 2;
+    st_ref[2].ref_mode      = REF_TO_PREV_REF_FRM;
+    st_ref[2].ref_arg       = 0;
+    st_ref[2].repeat        = 0;
+    /* st 3 layer 3 - non-ref */
+    st_ref[3].is_non_ref    = 1;
+    st_ref[3].temporal_id   = 3;
+    st_ref[3].ref_mode      = REF_TO_PREV_REF_FRM;
+    st_ref[3].ref_arg       = 0;
+    st_ref[3].repeat        = 0;
+    /* st 4 layer 1 - ref */
+    st_ref[4].is_non_ref    = 0;
+    st_ref[4].temporal_id   = 1;
+    st_ref[4].ref_mode      = REF_TO_PREV_LT_REF;
+    st_ref[4].ref_arg       = 0;
+    st_ref[4].repeat        = 0;
+    /* st 5 layer 3 - non-ref */
+    st_ref[5].is_non_ref    = 1;
+    st_ref[5].temporal_id   = 3;
+    st_ref[5].ref_mode      = REF_TO_PREV_REF_FRM;
+    st_ref[5].ref_arg       = 0;
+    st_ref[5].repeat        = 0;
+    /* st 6 layer 2 - ref */
+    st_ref[6].is_non_ref    = 0;
+    st_ref[6].temporal_id   = 2;
+    st_ref[6].ref_mode      = REF_TO_PREV_REF_FRM;
+    st_ref[6].ref_arg       = 0;
+    st_ref[6].repeat        = 0;
+    /* st 7 layer 3 - non-ref */
+    st_ref[7].is_non_ref    = 1;
+    st_ref[7].temporal_id   = 3;
+    st_ref[7].ref_mode      = REF_TO_PREV_REF_FRM;
+    st_ref[7].ref_arg       = 0;
+    st_ref[7].repeat        = 0;
+    /* st 8 layer 0 - ref */
+    st_ref[8].is_non_ref    = 0;
+    st_ref[8].temporal_id   = 0;
+    st_ref[8].ref_mode      = REF_TO_TEMPORAL_LAYER;
+    st_ref[8].ref_arg       = 0;
+    st_ref[8].repeat        = 0;
+
+    ret = mpp_enc_ref_cfg_add_st_cfg(ref, 9, st_ref);
+
+    /* check and get dpb size */
+    ret = mpp_enc_ref_cfg_check(ref);
+
+    return ret;
+}
+
 MPP_RET mpi_enc_gen_osd_data(MppEncOSDData *osd_data, MppBuffer osd_buf, RK_U32 frame_cnt)
 {
     RK_U32 k = 0;
diff --git a/utils/mpi_enc_utils.h b/utils/mpi_enc_utils.h
index 4b6e6c61..62bc6997 100644
--- a/utils/mpi_enc_utils.h
+++ b/utils/mpi_enc_utils.h
@@ -53,6 +53,7 @@ typedef struct MpiEncTestArgs_t {
 extern "C" {
 #endif
 
+MPP_RET mpi_enc_gen_ref_cfg(MppEncRefCfg ref);
 MPP_RET mpi_enc_gen_osd_data(MppEncOSDData *osd_data, MppBuffer osd_buf, RK_U32 frame_cnt);
 MPP_RET mpi_enc_gen_osd_plt(MppEncOSDPlt *osd_plt, RK_U32 *table);