diff --git a/inc/rk_mpi.h b/inc/rk_mpi.h
index 76ace259..ee7ad538 100644
--- a/inc/rk_mpi.h
+++ b/inc/rk_mpi.h
@@ -79,6 +79,7 @@ typedef enum {
     MPP_DEC_SET_VC1_EXTRA_DATA,
     MPP_DEC_SET_VP6_ID,
     MPP_DEC_USE_FAST_MODE,
+	MPP_DEC_GET_STREAM_COUNT,
 
     MPP_ENC_CMD_BASE                    = 0x50000,
     MPP_ENC_SETCFG,
diff --git a/inc/vpu_api.h b/inc/vpu_api.h
index 6a3f8f45..f6bce856 100644
--- a/inc/vpu_api.h
+++ b/inc/vpu_api.h
@@ -49,12 +49,14 @@ typedef enum VPU_API_CMD {
     VPU_API_ENC_GETCFG,
     VPU_API_ENC_SETFORMAT,
     VPU_API_ENC_SETIDRFRAME,
+
     VPU_API_ENABLE_DEINTERLACE,
     VPU_API_SET_VPUMEM_CONTEXT,
     VPU_API_USE_PRESENT_TIME_ORDER,
     VPU_API_SET_DEFAULT_WIDTH_HEIGH,
     VPU_API_SET_INFO_CHANGE,
     VPU_API_USE_FAST_MODE,
+	VPU_API_DEC_GET_STREAM_COUNT,
 } VPU_API_CMD;
 
 typedef struct {
diff --git a/mpp/legacy/vpu_api_legacy.cpp b/mpp/legacy/vpu_api_legacy.cpp
index a245e7fc..90dc3970 100644
--- a/mpp/legacy/vpu_api_legacy.cpp
+++ b/mpp/legacy/vpu_api_legacy.cpp
@@ -296,6 +296,10 @@ RK_S32 VpuApi::control(VpuCodecContext *ctx, VPU_API_CMD cmd, void *param)
         mpicmd = MPP_DEC_USE_FAST_MODE;
         break;
     }
+	case VPU_API_DEC_GET_STREAM_COUNT: {
+		mpicmd = MPP_DEC_GET_STREAM_COUNT;
+		break;
+	}
     default: {
         break;
     }
diff --git a/mpp/mpp.cpp b/mpp/mpp.cpp
index 0fff03c5..c1a76d25 100644
--- a/mpp/mpp.cpp
+++ b/mpp/mpp.cpp
@@ -299,6 +299,12 @@ MPP_RET Mpp::control(MpiCmd cmd, MppParam param)
         mFastMode = mode;
         break;
     }
+	case MPP_DEC_GET_STREAM_COUNT:{
+		AutoMutex autoLock(mPackets->mutex());
+		mpp_assert(mType == MPP_CTX_DEC);
+		*((RK_S32 *)param) = mPackets->list_size();
+		break;
+	}
     default : {
     } break;
     }