diff --git a/inc/rk_venc_cmd.h b/inc/rk_venc_cmd.h
index b5beabf2..b4ad93ee 100644
--- a/inc/rk_venc_cmd.h
+++ b/inc/rk_venc_cmd.h
@@ -162,6 +162,9 @@ typedef enum MppEncRcCfgChange_e {
     MPP_ENC_RC_CFG_CHANGE_SKIP_CNT      = (1 << 8),
     MPP_ENC_RC_CFG_CHANGE_MAX_REENC     = (1 << 9),
     MPP_ENC_RC_CFG_CHANGE_DROP_FRM      = (1 << 10),
+    MPP_ENC_RC_CFG_CHANGE_MAX_I_PROP    = (1 << 11),
+    MPP_ENC_RC_CFG_CHANGE_MIN_I_PROP    = (1 << 12),
+    MPP_ENC_RC_CFG_CHANGE_INIT_IP_RATIO = (1 << 13),
     MPP_ENC_RC_CFG_CHANGE_ALL           = (0xFFFFFFFF),
 } MppEncRcCfgChange;
 
@@ -306,6 +309,10 @@ typedef struct MppEncRcCfg_t {
     MppEncRcDropFrmMode drop_mode;
     RK_U32  drop_threshold;
     RK_U32  drop_gap;
+
+    RK_S32  max_i_prop;
+    RK_S32  min_i_prop;
+    RK_S32  init_ip_ratio;
 } MppEncRcCfg;
 
 /*
diff --git a/mpp/base/mpp_enc_cfg.cpp b/mpp/base/mpp_enc_cfg.cpp
index 05acfb16..d7efd247 100644
--- a/mpp/base/mpp_enc_cfg.cpp
+++ b/mpp/base/mpp_enc_cfg.cpp
@@ -165,6 +165,9 @@ static const char *cfg_func_names[] = {
     ENTRY(rc,   drop_mode,      U32, MppEncRcDropFrmMode, MPP_ENC_RC_CFG_CHANGE_DROP_FRM,       rc, drop_mode) \
     ENTRY(rc,   drop_thd,       U32, RK_U32,            MPP_ENC_RC_CFG_CHANGE_DROP_FRM,         rc, drop_threshold) \
     ENTRY(rc,   drop_gap,       U32, RK_U32,            MPP_ENC_RC_CFG_CHANGE_DROP_FRM,         rc, drop_gap) \
+    ENTRY(rc,   max_i_prop,     S32, RK_S32,            MPP_ENC_RC_CFG_CHANGE_MAX_I_PROP,       rc, max_i_prop) \
+    ENTRY(rc,   min_i_prop,     S32, RK_S32,            MPP_ENC_RC_CFG_CHANGE_MIN_I_PROP,       rc, min_i_prop) \
+    ENTRY(rc,   init_ip_ratio,  S32, RK_S32,            MPP_ENC_RC_CFG_CHANGE_INIT_IP_RATIO,    rc, init_ip_ratio) \
     /* prep config */ \
     ENTRY(prep, width,          S32, RK_S32,            MPP_ENC_PREP_CFG_CHANGE_INPUT,          prep, width) \
     ENTRY(prep, height,         S32, RK_S32,            MPP_ENC_PREP_CFG_CHANGE_INPUT,          prep, height) \
@@ -255,7 +258,7 @@ RK_S32 const_strlen(const char* str)
     return *str ? 1 + const_strlen(str + 1) : 0;
 }
 
-static RK_S32 node_len = ENTRY_TABLE(EXPAND_AS_STRLEN) - 74;
+static RK_S32 node_len = ENTRY_TABLE(EXPAND_AS_STRLEN) - 62;
 
 class MppEncCfgService
 {
diff --git a/mpp/codec/enc/h264/h264e_api_v2.c b/mpp/codec/enc/h264/h264e_api_v2.c
index 9c611bb0..7a1ceb0f 100644
--- a/mpp/codec/enc/h264/h264e_api_v2.c
+++ b/mpp/codec/enc/h264/h264e_api_v2.c
@@ -355,6 +355,15 @@ static MPP_RET h264e_proc_rc_cfg(MppEncRcCfg *dst, MppEncRcCfg *src)
         if (change & MPP_ENC_RC_CFG_CHANGE_MAX_REENC)
             dst->max_reenc_times = src->max_reenc_times;
 
+        if (change & MPP_ENC_RC_CFG_CHANGE_MAX_I_PROP)
+            dst->max_i_prop = src->max_i_prop;
+
+        if (change & MPP_ENC_RC_CFG_CHANGE_MIN_I_PROP)
+            dst->min_i_prop = src->min_i_prop;
+
+        if (change & MPP_ENC_RC_CFG_CHANGE_INIT_IP_RATIO)
+            dst->init_ip_ratio = src->init_ip_ratio;
+
         // parameter checking
         if (dst->rc_mode >= MPP_ENC_RC_MODE_BUTT) {
             mpp_err("invalid rc mode %d should be RC_MODE_VBR or RC_MODE_CBR\n",
diff --git a/mpp/codec/enc/h265/h265e_api_v2.c b/mpp/codec/enc/h265/h265e_api_v2.c
index 23db599d..bd9c45f7 100644
--- a/mpp/codec/enc/h265/h265e_api_v2.c
+++ b/mpp/codec/enc/h265/h265e_api_v2.c
@@ -398,6 +398,18 @@ static MPP_RET h265e_proc_rc_cfg(MppEncRcCfg *dst, MppEncRcCfg *src)
         if (change & MPP_ENC_RC_CFG_CHANGE_GOP)
             dst->gop = src->gop;
 
+        if (change & MPP_ENC_RC_CFG_CHANGE_MAX_REENC)
+            dst->max_reenc_times = src->max_reenc_times;
+
+        if (change & MPP_ENC_RC_CFG_CHANGE_MAX_I_PROP)
+            dst->max_i_prop = src->max_i_prop;
+
+        if (change & MPP_ENC_RC_CFG_CHANGE_MIN_I_PROP)
+            dst->min_i_prop = src->min_i_prop;
+
+        if (change & MPP_ENC_RC_CFG_CHANGE_INIT_IP_RATIO)
+            dst->init_ip_ratio = src->init_ip_ratio;
+
         // parameter checking
         if (dst->rc_mode >= MPP_ENC_RC_MODE_BUTT) {
             mpp_err("invalid rc mode %d should be RC_MODE_VBR or RC_MODE_CBR\n",