diff --git a/mpp/codec/dec/h264/h264d_api.c b/mpp/codec/dec/h264/h264d_api.c
index df2250fb..ec1ab347 100644
--- a/mpp/codec/dec/h264/h264d_api.c
+++ b/mpp/codec/dec/h264/h264d_api.c
@@ -349,7 +349,9 @@ MPP_RET h264d_init(void *decoder, ParserCfg *init)
     FUN_CHECK(ret = init_vid_ctx(p_Dec->p_Vid));
     FUN_CHECK(ret = init_dec_ctx(p_Dec));
     p_Dec->immediate_out = p_Dec->cfg->base.fast_out;
-    p_Dec->p_Vid->dpb_fast_out = p_Dec->cfg->base.enable_fast_play;
+    mpp_env_get_u32("force_fast_play_mode", &p_Dec->p_Vid->dpb_fast_out,
+                    p_Dec->cfg->base.enable_fast_play);
+    H264D_LOG("fast play mode: %d", p_Dec->p_Vid->dpb_fast_out);
     p_Dec->p_Vid->dpb_first_fast_played = 0;
 __RETURN:
     return ret = MPP_OK;
@@ -447,7 +449,9 @@ MPP_RET h264d_reset(void *decoder)
     p_Dec->dxva_ctx->strm_offset = 0;
     p_Dec->dxva_ctx->slice_count = 0;
     p_Dec->last_frame_slot_idx   = -1;
-    p_Dec->p_Vid->dpb_fast_out = p_Dec->cfg->base.enable_fast_play;
+    mpp_env_get_u32("force_fast_play_mode", &p_Dec->p_Vid->dpb_fast_out,
+                    p_Dec->cfg->base.enable_fast_play);
+    H264D_LOG("fast play mode: %d", p_Dec->p_Vid->dpb_fast_out);
     p_Dec->p_Vid->dpb_first_fast_played = 0;
 
 __RETURN:
@@ -493,6 +497,9 @@ MPP_RET h264d_control(void *decoder, MpiCmd cmd_type, void *param)
     switch (cmd_type) {
     case MPP_DEC_SET_ENABLE_FAST_PLAY:
         p_Dec->p_Vid->dpb_fast_out = (param) ? (*((RK_U32 *)param)) : (1);
+        mpp_env_get_u32("force_fast_play_mode", &p_Dec->p_Vid->dpb_fast_out,
+                        p_Dec->p_Vid->dpb_fast_out);
+        H264D_LOG("fast play mode: %d", p_Dec->p_Vid->dpb_fast_out);
         break;
     case MPP_DEC_SET_MAX_USE_BUFFER_SIZE :
         p_Dec->p_Inp->max_buf_size = (param) ? (*((RK_U32 *)param)) : (0);