diff --git a/mpp/codec/enc/h264/h264e_api_v2.c b/mpp/codec/enc/h264/h264e_api_v2.c
index 4fd0ccba..2fc5cbe5 100644
--- a/mpp/codec/enc/h264/h264e_api_v2.c
+++ b/mpp/codec/enc/h264/h264e_api_v2.c
@@ -17,6 +17,7 @@
 #define MODULE_TAG "h264e_api_v2"
 
 #include <string.h>
+#include <limits.h>
 
 #include "mpp_env.h"
 #include "mpp_mem.h"
@@ -180,10 +181,10 @@ static void init_h264e_cfg_set(MppEncCfgSet *cfg, MppClientType type)
     rc_cfg->qp_max_i = 0;
     rc_cfg->qp_min_i = 0;
     rc_cfg->qp_delta_ip = 2;
-    rc_cfg->fqp_min_i = 10;
-    rc_cfg->fqp_min_p = 10;
-    rc_cfg->fqp_max_i = 51;
-    rc_cfg->fqp_max_p = 51;
+    rc_cfg->fqp_min_i = INT_MAX;
+    rc_cfg->fqp_min_p = INT_MAX;
+    rc_cfg->fqp_max_i = INT_MAX;
+    rc_cfg->fqp_max_p = INT_MAX;
 }
 
 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 5aeaff32..852acb96 100644
--- a/mpp/codec/enc/h265/h265e_api.c
+++ b/mpp/codec/enc/h265/h265e_api.c
@@ -17,6 +17,7 @@
 #define MODULE_TAG "h265e_api"
 
 #include <string.h>
+#include <limits.h>
 
 #include "mpp_env.h"
 #include "mpp_mem.h"
@@ -164,10 +165,10 @@ static MPP_RET h265e_init(void *ctx, EncImplCfg *ctrlCfg)
     rc_cfg->qp_min_i = 15;
     rc_cfg->qp_delta_ip = 4;
     rc_cfg->qp_delta_vi = 2;
-    rc_cfg->fqp_min_i = 10;
-    rc_cfg->fqp_min_p = 10;
-    rc_cfg->fqp_max_i = 51;
-    rc_cfg->fqp_max_p = 51;
+    rc_cfg->fqp_min_i = INT_MAX;
+    rc_cfg->fqp_min_p = INT_MAX;
+    rc_cfg->fqp_max_i = INT_MAX;
+    rc_cfg->fqp_max_p = INT_MAX;
 
     INIT_LIST_HEAD(&p->rc_list);
 
diff --git a/mpp/codec/enc/vp8/vp8e_api_v2.c b/mpp/codec/enc/vp8/vp8e_api_v2.c
index 52489b56..00be169c 100644
--- a/mpp/codec/enc/vp8/vp8e_api_v2.c
+++ b/mpp/codec/enc/vp8/vp8e_api_v2.c
@@ -16,7 +16,7 @@
 #define MODULE_TAG  "vp8e_api_v2"
 
 #include <string.h>
-#include <vp8e_syntax.h>
+#include <limits.h>
 
 #include "mpp_env.h"
 #include "mpp_mem.h"
@@ -103,10 +103,10 @@ static MPP_RET vp8e_init(void *ctx, EncImplCfg *ctrl_cfg)
     rc_cfg->fps_out_denorm = 1;
     rc_cfg->gop = 60;
     rc_cfg->max_reenc_times = 1;
-    rc_cfg->fqp_min_i = 0;
-    rc_cfg->fqp_min_p = 0;
-    rc_cfg->fqp_max_i = 127;
-    rc_cfg->fqp_max_p = 127;
+    rc_cfg->fqp_min_i = INT_MAX;
+    rc_cfg->fqp_min_p = INT_MAX;
+    rc_cfg->fqp_max_i = INT_MAX;
+    rc_cfg->fqp_max_p = INT_MAX;
 
     p->rc = mpp_calloc(Vp8eRc, 1);
     memset(p->rc, 0, sizeof(Vp8eRc));
diff --git a/mpp/codec/mpp_enc_impl.cpp b/mpp/codec/mpp_enc_impl.cpp
index f8b2d297..20eae625 100644
--- a/mpp/codec/mpp_enc_impl.cpp
+++ b/mpp/codec/mpp_enc_impl.cpp
@@ -1232,10 +1232,6 @@ static void set_rc_cfg(RcCfg *cfg, MppEncCfgSet *cfg_set)
     cfg->max_i_bit_prop     = rc->max_i_prop;
     cfg->min_i_bit_prop     = rc->min_i_prop;
     cfg->init_ip_ratio      = rc->init_ip_ratio;
-    cfg->fqp_min_p          = rc->fqp_min_p;
-    cfg->fqp_min_i          = rc->fqp_min_i;
-    cfg->fqp_max_p          = rc->fqp_max_p;
-    cfg->fqp_max_i          = rc->fqp_max_i;
 
     cfg->bps_target = rc->bps_target;
     cfg->bps_max    = rc->bps_max;
@@ -1262,6 +1258,10 @@ static void set_rc_cfg(RcCfg *cfg, MppEncCfgSet *cfg_set)
         cfg->min_i_quality = rc->qp_min_i ? rc->qp_min_i : rc->qp_min;
         cfg->i_quality_delta = rc->qp_delta_ip;
         cfg->vi_quality_delta = rc->qp_delta_vi;
+        cfg->fqp_min_p = rc->fqp_min_p == INT_MAX ? cfg->min_quality : rc->fqp_min_p;
+        cfg->fqp_min_i = rc->fqp_min_i == INT_MAX ? cfg->min_i_quality : rc->fqp_min_i;
+        cfg->fqp_max_p = rc->fqp_max_p == INT_MAX ? cfg->max_quality : rc->fqp_max_p;
+        cfg->fqp_max_i = rc->fqp_max_i == INT_MAX ? cfg->max_i_quality : rc->fqp_max_i;
     } break;
     case MPP_VIDEO_CodingMJPEG : {
         MppEncJpegCfg *jpeg = &codec->jpeg;
@@ -1271,10 +1271,10 @@ static void set_rc_cfg(RcCfg *cfg, MppEncCfgSet *cfg_set)
         cfg->min_quality = jpeg->qf_min;
         cfg->max_i_quality = jpeg->qf_max;
         cfg->min_i_quality = jpeg->qf_min;
-        cfg->fqp_min_i = jpeg->qf_min;
-        cfg->fqp_max_i = jpeg->qf_max;
-        cfg->fqp_min_p = jpeg->qf_min;
-        cfg->fqp_max_p = jpeg->qf_max;
+        cfg->fqp_min_i = 100 - jpeg->qf_max;
+        cfg->fqp_max_i = 100 - jpeg->qf_min;
+        cfg->fqp_min_p = 100 - jpeg->qf_max;
+        cfg->fqp_max_p = 100 - jpeg->qf_min;
     } break;
     default : {
         mpp_err_f("unsupport coding type %d\n", codec->coding);