diff --git a/inc/rk_venc_cmd.h b/inc/rk_venc_cmd.h
index 05118624..2c5776d8 100644
--- a/inc/rk_venc_cmd.h
+++ b/inc/rk_venc_cmd.h
@@ -1548,6 +1548,7 @@ typedef enum MppEncFineTuneCfgChange_e {
     MPP_ENC_TUNE_CFG_CHANGE_SKIP16_WGT          = (1 << 20),
     MPP_ENC_TUNE_CFG_CHANGE_SKIP32_WGT          = (1 << 21),
     MPP_ENC_TUNE_CFG_CHANGE_SPEED               = (1 << 22),
+    MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG        = (1 << 23),
     MPP_ENC_TUNE_CFG_CHANGE_ALL                 = (0xFFFFFFFF),
 } MppEncFineTuneCfgChange;
 
@@ -1579,6 +1580,17 @@ typedef struct MppEncFineTuneCfg_t {
     RK_S32              skip32_wgt; /* weight for skip32, 0 or [3, 8] */
     RK_S32              qpmap_en;
     RK_S32              speed; /*enc speed [0..3], 0:full mode; 1:fast; 2:faster; 3:fastest */
+
+    /* smart v3 only */
+    RK_S32              bg_delta_qp_i; /* background delta qp for i frame */
+    RK_S32              bg_delta_qp_p; /* background delta qp for p frame */
+    RK_S32              fg_delta_qp_i; /* foreground delta qp for i frame */
+    RK_S32              fg_delta_qp_p; /* foreground delta qp for p frame */
+    RK_S32              bmap_qpmin_i; /* min qp for i frame in bmap */
+    RK_S32              bmap_qpmin_p; /* min qp for p frame in bmap */
+    RK_S32              bmap_qpmax_i; /* max qp for i frame in bmap */
+    RK_S32              bmap_qpmax_p; /* max qp for p frame in bmap */
+
     RK_S32              reserved[4];
 } MppEncFineTuneCfg;
 
diff --git a/inc/rk_venc_rc.h b/inc/rk_venc_rc.h
index e1ad02e2..84857f72 100644
--- a/inc/rk_venc_rc.h
+++ b/inc/rk_venc_rc.h
@@ -38,6 +38,7 @@ typedef enum MppEncSeMode_e {
     MPP_ENC_SE_MODE_BAL,            // balance mode
     MPP_ENC_SE_MODE_QF,             // quality first mode
     MPP_ENC_SE_MODE_BF,             // bitrate first mode
+    MPP_ENC_SE_MODE_EXTERNAL,       // external se mode
     MPP_ENC_SE_MODE_BUTT
 } MppEncSeMode;
 
diff --git a/mpp/base/mpp_enc_cfg.c b/mpp/base/mpp_enc_cfg.c
index 0cc81f39..0bf4297c 100644
--- a/mpp/base/mpp_enc_cfg.c
+++ b/mpp/base/mpp_enc_cfg.c
@@ -264,7 +264,15 @@ static RK_U32 mpp_enc_cfg_debug = 0;
     ENTRY(tune, madp16_th,      S32,        MPP_ENC_TUNE_CFG_CHANGE_MADP16_TH,      tune, madp16_th) \
     ENTRY(tune, skip16_wgt,     S32,        MPP_ENC_TUNE_CFG_CHANGE_SKIP16_WGT,     tune, skip16_wgt) \
     ENTRY(tune, skip32_wgt,     S32,        MPP_ENC_TUNE_CFG_CHANGE_SKIP32_WGT,     tune, skip32_wgt) \
-    ENTRY(tune, speed,          S32,        MPP_ENC_TUNE_CFG_CHANGE_SPEED,          tune, speed)
+    ENTRY(tune, speed,          S32,        MPP_ENC_TUNE_CFG_CHANGE_SPEED,          tune, speed) \
+    ENTRY(tune, bg_delta_qp_i,  S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, bg_delta_qp_i) \
+    ENTRY(tune, bg_delta_qp_p,  S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, bg_delta_qp_p) \
+    ENTRY(tune, fg_delta_qp_i,  S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, fg_delta_qp_i) \
+    ENTRY(tune, fg_delta_qp_p,  S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, fg_delta_qp_p) \
+    ENTRY(tune, bmap_qpmin_i,   S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, bmap_qpmin_i) \
+    ENTRY(tune, bmap_qpmin_p,   S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, bmap_qpmin_p) \
+    ENTRY(tune, bmap_qpmax_i,   S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, bmap_qpmax_i) \
+    ENTRY(tune, bmap_qpmax_p,   S32,        MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG,   tune, bmap_qpmax_p)
 
 static void mpp_enc_cfg_srv_init()
 {
diff --git a/mpp/codec/enc/h264/h264e_api_v2.c b/mpp/codec/enc/h264/h264e_api_v2.c
index fcef6512..cd251d36 100644
--- a/mpp/codec/enc/h264/h264e_api_v2.c
+++ b/mpp/codec/enc/h264/h264e_api_v2.c
@@ -201,6 +201,16 @@ static void init_h264e_cfg_set(MppEncCfgSet *cfg, MppClientType type)
     cfg->tune.atr_str_p = 1;
     cfg->tune.anti_flicker_str = 1;
     cfg->tune.deblur_str = 3;
+
+    /* smart v3 parameters */
+    cfg->tune.bg_delta_qp_i = -10;
+    cfg->tune.bg_delta_qp_p = -10;
+    cfg->tune.fg_delta_qp_i = 3;
+    cfg->tune.fg_delta_qp_p = 1;
+    cfg->tune.bmap_qpmin_i = 30;
+    cfg->tune.bmap_qpmin_p = 30;
+    cfg->tune.bmap_qpmax_i = 45;
+    cfg->tune.bmap_qpmax_p = 47;
 }
 
 static void h264e_add_syntax(H264eCtx *ctx, H264eSyntaxType type, void *p)
diff --git a/mpp/codec/enc/h265/h265e_api.c b/mpp/codec/enc/h265/h265e_api.c
index 7e91da08..7be84689 100644
--- a/mpp/codec/enc/h265/h265e_api.c
+++ b/mpp/codec/enc/h265/h265e_api.c
@@ -127,6 +127,16 @@ static MPP_RET h265e_init(void *ctx, EncImplCfg *ctrlCfg)
     p->cfg->tune.rc_container = 0;
     p->cfg->tune.vmaf_opt = 0;
 
+    /* smart v3 parameters */
+    p->cfg->tune.bg_delta_qp_i = -10;
+    p->cfg->tune.bg_delta_qp_p = -10;
+    p->cfg->tune.fg_delta_qp_i = 3;
+    p->cfg->tune.fg_delta_qp_p = 1;
+    p->cfg->tune.bmap_qpmin_i = 30;
+    p->cfg->tune.bmap_qpmin_p = 30;
+    p->cfg->tune.bmap_qpmax_i = 45;
+    p->cfg->tune.bmap_qpmax_p = 47;
+
     /*
      * default prep:
      * 720p
diff --git a/mpp/codec/mpp_enc_impl.cpp b/mpp/codec/mpp_enc_impl.cpp
index 1a08548b..321ac4cc 100644
--- a/mpp/codec/mpp_enc_impl.cpp
+++ b/mpp/codec/mpp_enc_impl.cpp
@@ -973,6 +973,17 @@ MPP_RET mpp_enc_proc_tune_cfg(MppEncFineTuneCfg *dst, MppEncFineTuneCfg *src)
             ret = MPP_ERR_VALUE;
         }
 
+        if (change & MPP_ENC_TUNE_CFG_CHANGE_SMART_V3_CFG) {
+            dst->bg_delta_qp_i = src->bg_delta_qp_i;
+            dst->bg_delta_qp_p = src->bg_delta_qp_p;
+            dst->fg_delta_qp_i = src->fg_delta_qp_i;
+            dst->fg_delta_qp_p = src->fg_delta_qp_p;
+            dst->bmap_qpmin_i = src->bmap_qpmin_i;
+            dst->bmap_qpmin_p = src->bmap_qpmin_p;
+            dst->bmap_qpmax_i = src->bmap_qpmax_i;
+            dst->bmap_qpmax_p = src->bmap_qpmax_p;
+        }
+
         dst->change |= change;
 
         if (ret) {