diff --git a/mpp/codec/inc/mpp_enc_impl.h b/mpp/codec/inc/mpp_enc_impl.h
index 247ef353..d7f0ac5a 100644
--- a/mpp/codec/inc/mpp_enc_impl.h
+++ b/mpp/codec/inc/mpp_enc_impl.h
@@ -85,6 +85,7 @@ typedef struct MppEncImpl_t {
     RK_S64              task_pts;
     MppBuffer           frm_buf;
     MppBuffer           pkt_buf;
+    MppBuffer           md_info;
 
     // internal status and protection
     Mutex               lock;
diff --git a/mpp/codec/mpp_enc_impl.cpp b/mpp/codec/mpp_enc_impl.cpp
index 190698b9..d521f4a7 100644
--- a/mpp/codec/mpp_enc_impl.cpp
+++ b/mpp/codec/mpp_enc_impl.cpp
@@ -1580,7 +1580,7 @@ static MPP_RET try_get_enc_task(MppEncImpl *enc, EncTask *task)
          */
         mpp_task_meta_get_frame (enc->task_in, KEY_INPUT_FRAME,  &enc->frame);
         mpp_task_meta_get_packet(enc->task_in, KEY_OUTPUT_PACKET, &enc->packet);
-        mpp_task_meta_get_buffer(enc->task_in, KEY_MOTION_INFO, &hal_task->mv_info);
+        mpp_task_meta_get_buffer(enc->task_in, KEY_MOTION_INFO, &enc->md_info);
 
         enc_dbg_detail("task dequeue done frm %p pkt %p\n", enc->frame, enc->packet);
 
@@ -1609,6 +1609,7 @@ static MPP_RET try_get_enc_task(MppEncImpl *enc, EncTask *task)
         hal_task->input     = enc->frm_buf;
         hal_task->packet    = enc->packet;
         hal_task->output    = enc->pkt_buf;
+        hal_task->md_info   = enc->md_info;
         hal_task->stopwatch = stopwatch;
 
         frm->seq_idx = task->seq_idx++;
@@ -1974,8 +1975,8 @@ TASK_DONE:
     {
         MppMeta meta = mpp_packet_get_meta(enc->packet);
 
-        if (hal_task->mv_info)
-            mpp_meta_set_buffer(meta, KEY_MOTION_INFO, hal_task->mv_info);
+        if (hal_task->md_info)
+            mpp_meta_set_buffer(meta, KEY_MOTION_INFO, hal_task->md_info);
 
         mpp_meta_set_s32(meta, KEY_OUTPUT_INTRA, frm->is_intra);
         if (rc_task->info.quality_real)
diff --git a/mpp/hal/inc/hal_enc_task.h b/mpp/hal/inc/hal_enc_task.h
index 2a5616d9..f281aa6a 100644
--- a/mpp/hal/inc/hal_enc_task.h
+++ b/mpp/hal/inc/hal_enc_task.h
@@ -84,8 +84,8 @@ typedef struct HalEncTask_t {
     // task stopwatch for timing
     MppStopwatch    stopwatch;
 
-    // current mv info output buffer (not used)
-    MppBuffer       mv_info;
+    // current md info output buffer
+    MppBuffer       md_info;
 
     // low delay mode part output information
     RK_U32          part_first;
diff --git a/mpp/hal/rkenc/h264e/hal_h264e_vepu541.c b/mpp/hal/rkenc/h264e/hal_h264e_vepu541.c
index e568dd33..ce368e74 100644
--- a/mpp/hal/rkenc/h264e/hal_h264e_vepu541.c
+++ b/mpp/hal/rkenc/h264e/hal_h264e_vepu541.c
@@ -1450,7 +1450,7 @@ static MPP_RET hal_h264e_vepu541_gen_regs(void *hal, HalEncTask *task)
     setup_vepu541_recn_refr(regs, ctx->dev, ctx->frms, ctx->hw_recn,
                             ctx->pixel_buf_fbc_hdr_size);
 
-    regs->reg082.meiw_addr = task->mv_info ? mpp_buffer_get_fd(task->mv_info) : 0;
+    regs->reg082.meiw_addr = task->md_info ? mpp_buffer_get_fd(task->md_info) : 0;
 
     regs->reg068.pic_ofst_y = mpp_frame_get_offset_y(task->frame);
     regs->reg068.pic_ofst_x = mpp_frame_get_offset_x(task->frame);
diff --git a/mpp/hal/rkenc/h264e/hal_h264e_vepu580.c b/mpp/hal/rkenc/h264e/hal_h264e_vepu580.c
index 331b3ffa..ad9192b1 100644
--- a/mpp/hal/rkenc/h264e/hal_h264e_vepu580.c
+++ b/mpp/hal/rkenc/h264e/hal_h264e_vepu580.c
@@ -1807,7 +1807,7 @@ static MPP_RET hal_h264e_vepu580_gen_regs(void *hal, HalEncTask *task)
     setup_vepu580_roi(regs, ctx);
     setup_vepu580_recn_refr(ctx, regs);
 
-    regs->reg_base.meiw_addr = task->mv_info ? mpp_buffer_get_fd(task->mv_info) : 0;
+    regs->reg_base.meiw_addr = task->md_info ? mpp_buffer_get_fd(task->md_info) : 0;
 
     regs->reg_base.pic_ofst.pic_ofst_y = mpp_frame_get_offset_y(task->frame);
     regs->reg_base.pic_ofst.pic_ofst_x = mpp_frame_get_offset_x(task->frame);
diff --git a/mpp/hal/rkenc/h265e/hal_h265e_vepu541.c b/mpp/hal/rkenc/h265e/hal_h265e_vepu541.c
index 67291d07..7704e4c2 100644
--- a/mpp/hal/rkenc/h265e/hal_h265e_vepu541.c
+++ b/mpp/hal/rkenc/h265e/hal_h265e_vepu541.c
@@ -1310,7 +1310,7 @@ void vepu54x_h265_set_hw_address(H265eV541HalContext *ctx, H265eV541RegSet *regs
 {
     HalEncTask *enc_task = task;
     HalBuf *recon_buf, *ref_buf;
-    MppBuffer mv_info_buf = enc_task->mv_info;
+    MppBuffer md_info_buf = enc_task->md_info;
     H265eSyntax_new *syn = (H265eSyntax_new *)enc_task->syntax.data;
     MppDevRegOffsetCfg cfg_fd;
 
@@ -1360,9 +1360,9 @@ void vepu54x_h265_set_hw_address(H265eV541HalContext *ctx, H265eV541RegSet *regs
         regs->lpfr_addr_hevc = mpp_buffer_get_fd(ctx->hw_tile_buf[1]);
     }
 
-    if (mv_info_buf) {
+    if (md_info_buf) {
         regs->enc_pic.mei_stor    = 1;
-        regs->meiw_addr_hevc = mpp_buffer_get_fd(mv_info_buf);
+        regs->meiw_addr_hevc = mpp_buffer_get_fd(md_info_buf);
     } else {
         regs->enc_pic.mei_stor    = 0;
         regs->meiw_addr_hevc = 0;
diff --git a/mpp/hal/rkenc/h265e/hal_h265e_vepu580.c b/mpp/hal/rkenc/h265e/hal_h265e_vepu580.c
index 2b12aafa..61d172bc 100644
--- a/mpp/hal/rkenc/h265e/hal_h265e_vepu580.c
+++ b/mpp/hal/rkenc/h265e/hal_h265e_vepu580.c
@@ -1840,7 +1840,7 @@ void vepu580_h265_set_hw_address(H265eV580HalContext *ctx, hevc_vepu580_base *re
 {
     HalEncTask *enc_task = task;
     HalBuf *recon_buf, *ref_buf;
-    MppBuffer mv_info_buf = enc_task->mv_info;
+    MppBuffer md_info_buf = enc_task->md_info;
     H265eSyntax_new *syn = (H265eSyntax_new *)enc_task->syntax.data;
 
     hal_h265e_enter();
@@ -1889,9 +1889,9 @@ void vepu580_h265_set_hw_address(H265eV580HalContext *ctx, hevc_vepu580_base *re
         regs->reg0177_lpfr_addr  = mpp_buffer_get_fd(ctx->hw_tile_buf[1]);
     }
 
-    if (mv_info_buf) {
+    if (md_info_buf) {
         regs->reg0192_enc_pic.mei_stor    = 1;
-        regs->reg0171_meiw_addr = mpp_buffer_get_fd(mv_info_buf);
+        regs->reg0171_meiw_addr = mpp_buffer_get_fd(md_info_buf);
     } else {
         regs->reg0192_enc_pic.mei_stor    = 0;
         regs->reg0171_meiw_addr = 0;
diff --git a/mpp/mpp.cpp b/mpp/mpp.cpp
index dd1a6819..b30b53d9 100644
--- a/mpp/mpp.cpp
+++ b/mpp/mpp.cpp
@@ -567,6 +567,7 @@ MPP_RET Mpp::put_frame(MppFrame frame)
     if (mpp_frame_has_meta(frame)) {
         MppMeta meta = mpp_frame_get_meta(frame);
         MppPacket packet = NULL;
+        MppBuffer md_info_buf = NULL;
 
         mpp_meta_get_packet(meta, KEY_OUTPUT_PACKET, &packet);
         if (packet) {
@@ -576,6 +577,15 @@ MPP_RET Mpp::put_frame(MppFrame frame)
                 goto RET;
             }
         }
+
+        mpp_meta_get_buffer(meta, KEY_MOTION_INFO, &md_info_buf);
+        if (md_info_buf) {
+            ret = mpp_task_meta_set_buffer(mInputTask, KEY_MOTION_INFO, md_info_buf);
+            if (ret) {
+                mpp_log_f("set output motion dection info ret %d\n", ret);
+                goto RET;
+            }
+        }
     }
 
     // dump input
diff --git a/test/mpi_enc_test.c b/test/mpi_enc_test.c
index 72579f4a..51f5fdc5 100644
--- a/test/mpi_enc_test.c
+++ b/test/mpi_enc_test.c
@@ -71,6 +71,7 @@ typedef struct {
     MppBufferGroup buf_grp;
     MppBuffer frm_buf;
     MppBuffer pkt_buf;
+    MppBuffer md_info;
     MppEncSeiMode sei_mode;
     MppEncHeaderMode header_mode;
 
@@ -88,6 +89,7 @@ typedef struct {
     // resources
     size_t header_size;
     size_t frame_size;
+    size_t mdinfo_size;
     /* NOTE: packet buffer may overflow */
     size_t packet_size;
 
@@ -172,6 +174,11 @@ MPP_RET test_ctx_init(MpiEncMultiCtxInfo *info)
     p->fps_out_flex = cmd->fps_out_flex;
     p->fps_out_den  = cmd->fps_out_den;
     p->fps_out_num  = cmd->fps_out_num;
+    p->mdinfo_size  = (MPP_VIDEO_CodingHEVC == cmd->type) ?
+                      (MPP_ALIGN(p->hor_stride, 64) >> 6) *
+                      (MPP_ALIGN(p->ver_stride, 64) >> 6) * 32 :
+                      (MPP_ALIGN(p->hor_stride, 64) >> 6) *
+                      (MPP_ALIGN(p->ver_stride, 16) >> 4) * 8;
 
     if (cmd->file_input) {
         if (!strncmp(cmd->file_input, "/dev/video", 10)) {
@@ -603,6 +610,7 @@ MPP_RET test_mpp_run(MpiEncMultiCtxInfo *info)
         /* NOTE: It is important to clear output packet length!! */
         mpp_packet_set_length(packet, 0);
         mpp_meta_set_packet(meta, KEY_OUTPUT_PACKET, packet);
+        mpp_meta_set_buffer(meta, KEY_MOTION_INFO, p->md_info);
 
         if (p->osd_enable || p->user_data_enable || p->roi_enable) {
             if (p->user_data_enable) {
@@ -840,6 +848,12 @@ void *enc_test(void *arg)
         goto MPP_TEST_OUT;
     }
 
+    ret = mpp_buffer_get(p->buf_grp, &p->md_info, p->mdinfo_size);
+    if (ret) {
+        mpp_err_f("failed to get buffer for motion info output packet ret %d\n", ret);
+        goto MPP_TEST_OUT;
+    }
+
     // encoder demo
     ret = mpp_create(&p->ctx, &p->mpi);
     if (ret) {
@@ -916,6 +930,11 @@ MPP_TEST_OUT:
         p->pkt_buf = NULL;
     }
 
+    if (p->md_info) {
+        mpp_buffer_put(p->md_info);
+        p->md_info = NULL;
+    }
+
     if (p->osd_data.buf) {
         mpp_buffer_put(p->osd_data.buf);
         p->osd_data.buf = NULL;