diff --git a/mpp/codec/dec/h265/CMakeLists.txt b/mpp/codec/dec/h265/CMakeLists.txt
index 894636ef..08544fc2 100644
--- a/mpp/codec/dec/h265/CMakeLists.txt
+++ b/mpp/codec/dec/h265/CMakeLists.txt
@@ -1,4 +1,6 @@
 # vim: syntax=cmake
+include_directories(../common)
+
 set(H265D_PARSER_HDR
     h265d_defs.h
     h265d_parser.h
@@ -19,4 +21,4 @@ add_library(${CODEC_H265D} STATIC
     )
 
 set_target_properties(${CODEC_H265D} PROPERTIES FOLDER "mpp/codec")
-target_link_libraries(${CODEC_H265D} mpp_base)
+target_link_libraries(${CODEC_H265D} dec_common mpp_base)
diff --git a/mpp/codec/dec/h265/h265d_parser.c b/mpp/codec/dec/h265/h265d_parser.c
index d29fe829..c32674f3 100644
--- a/mpp/codec/dec/h265/h265d_parser.c
+++ b/mpp/codec/dec/h265/h265d_parser.c
@@ -1297,6 +1297,11 @@ static RK_S32 parser_nal_unit(HEVCContext *s, const RK_U8 *nal, int length)
     s->nuh_layer_id = ret;
     h265d_dbg(H265D_DBG_GLOBAL, "s->nal_unit_type = %d,len = %d \n", s->nal_unit_type, length);
 
+    if (s->deny_flag && (s->nal_unit_type != NAL_VPS && s->nal_unit_type != NAL_SPS)) {
+        ret = MPP_ERR_STREAM;
+        goto fail;
+    }
+
     switch (s->nal_unit_type) {
     case NAL_VPS:
         ret = mpp_hevc_decode_nal_vps(s);
@@ -1311,6 +1316,8 @@ static RK_S32 parser_nal_unit(HEVCContext *s, const RK_U8 *nal, int length)
             mpp_err("mpp_hevc_decode_nal_sps error ret = %d", ret);
             goto fail;
         }
+
+        s->deny_flag = 0;
         break;
     case NAL_PPS:
         if (s->pre_pps_data == NULL) {
diff --git a/mpp/codec/dec/h265/h265d_parser.h b/mpp/codec/dec/h265/h265d_parser.h
index 21ebd33c..700327c5 100644
--- a/mpp/codec/dec/h265/h265d_parser.h
+++ b/mpp/codec/dec/h265/h265d_parser.h
@@ -625,6 +625,8 @@ typedef struct HEVCContext {
     /* hdr info */
     RK_U32  is_hdr;
     RK_U32  hdr_dynamic;
+
+    RK_U32  deny_flag;
 } HEVCContext;
 
 RK_S32 mpp_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
diff --git a/mpp/codec/dec/h265/h265d_sei.c b/mpp/codec/dec/h265/h265d_sei.c
index f52eef5c..09e2f8b0 100644
--- a/mpp/codec/dec/h265/h265d_sei.c
+++ b/mpp/codec/dec/h265/h265d_sei.c
@@ -29,6 +29,7 @@
 
 #include "h265d_parser.h"
 #include "rk_hdr_meta_com.h"
+#include "h2645d_sei.h"
 
 
 static RK_S32 decode_nal_sei_decoded_picture_hash(BitReadCtx_t *gb)
@@ -418,6 +419,11 @@ MPP_RET mpp_hevc_decode_nal_sei(HEVCContext *s)
                 h265d_dbg(H265D_DBG_SEI, "Skipped PREFIX SEI %d\n", payload_type);
             } else if (payload_type == 4) {
                 ret = user_data_registered_itu_t_t35(s, &payload_bitctx, payload_size);
+            } else if (payload_type == 5) {
+                ret = check_encoder_sei_info(&payload_bitctx, payload_size, &s->deny_flag);
+
+                if (s->deny_flag)
+                    h265d_dbg(H265D_DBG_SEI, "Bitstream is encoded by special encoder.");
             } else if (payload_type == 129) {
                 ret = active_parameter_sets(s, &payload_bitctx);
                 h265d_dbg(H265D_DBG_SEI, "Skipped PREFIX SEI %d\n", payload_type);