diff --git a/mpp/legacy/vpu_api_legacy.cpp b/mpp/legacy/vpu_api_legacy.cpp
index 0194cbbc..83fe32da 100644
--- a/mpp/legacy/vpu_api_legacy.cpp
+++ b/mpp/legacy/vpu_api_legacy.cpp
@@ -24,8 +24,11 @@
 #include "mpp_common.h"
 #include "mpp_env.h"
 
-#define VPU_API_DBG_OUTPUT    0x00000001
-#define VPU_API_DBG_DUMP_YUV  0x00000002
+#define VPU_API_DBG_OUTPUT    (0x00000001)
+#define VPU_API_DBG_DUMP_YUV  (0x00000002)
+#define VPU_API_DBG_DUMP_LOG  (0x00000004)
+#define MAX_WRITE_HEIGHT      (480) 
+#define MAX_WRITE_WIDTH       (960)
 
 VpuApi::VpuApi()
 {
@@ -38,9 +41,11 @@ VpuApi::VpuApi()
     set_eos = 0;
     vpu_api_debug = 0;
     fp = NULL;
+	fp_buf = NULL;
     mpp_env_get_u32("vpu_api_debug", &vpu_api_debug, 0);
     if (vpu_api_debug & VPU_API_DBG_DUMP_YUV) {
-        fp = fopen("data/hevcdump.yuv", "wb");
+        fp = fopen("/sdcard/rk_mpp_dump.yuv", "wb");
+		fp_buf = mpp_malloc(RK_U8, (MAX_WRITE_HEIGHT * MAX_WRITE_WIDTH * 2));
     }
     mpp_log_f("ok\n");
 }
@@ -50,6 +55,11 @@ VpuApi::~VpuApi()
     mpp_log_f("in\n");
     if (fp) {
         fclose(fp);
+		fp = NULL;
+    }
+	if (fp_buf) {
+		mpp_free(fp_buf);
+		fp_buf = NULL;
     }
     mpp_destroy(mpp_ctx);
     mpp_log_f("ok\n");
@@ -75,7 +85,10 @@ RK_S32 VpuApi::init(VpuCodecContext *ctx, RK_U8 *extraData, RK_U32 extra_size)
         return MPP_ERR_NULL_PTR;
     }
     ret = mpp_init(mpp_ctx, type, (MppCodingType)ctx->videoCoding);
-
+	if (ret) {
+		mpp_err_f(" init error. \n");
+		return ret;
+	}
     VPU_GENERIC vpug;
     vpug.CodecType  = ctx->codecType;
     vpug.ImgWidth   = ctx->width;
@@ -181,7 +194,7 @@ RK_S32 VpuApi:: decode_getoutframe(DecoderOut_t *aDecOut)
             vframe->ColorType = VPU_OUTPUT_FORMAT_YUV422;
             vframe->ColorType |= VPU_OUTPUT_FORMAT_BIT_10;
             break;
-        }
+        }	
         default:
             break;
         }
@@ -193,8 +206,43 @@ RK_S32 VpuApi:: decode_getoutframe(DecoderOut_t *aDecOut)
             vframe->vpumem.vir_addr = (RK_U32*)ptr;
             frame_count++;
             //!< Dump yuv
-            if (fp && (frame_count > 350)) {
+			if (fp && !vframe->ErrorInfo) {
+				if ((vframe->FrameWidth >= 1920) || (vframe->FrameHeight >= 1080)) {
+					RK_U32 i = 0, j = 0, step = 0;
+					RK_U32 img_w = 0, img_h = 0;
+					RK_U8 *pdes = NULL, *psrc = NULL;
+					step = MPP_MAX(vframe->FrameWidth / MAX_WRITE_WIDTH, vframe->FrameHeight / MAX_WRITE_HEIGHT);
+					img_w = vframe->FrameWidth / step;
+					img_h = vframe->FrameHeight / step;
+					pdes = fp_buf;
+					psrc = (RK_U8 *)ptr;
+					for (i = 0; i < img_h; i++) {
+						for (j = 0; j < img_w; j++) {
+							pdes[j] = psrc[j * step];
+						}						
+						pdes += img_w;
+						psrc += step * vframe->FrameWidth;
+					}
+					pdes = fp_buf + img_w * img_h;
+					psrc = (RK_U8 *)ptr + vframe->FrameWidth * vframe->FrameHeight;
+					for (i = 0; i < (img_h / 2); i++) {
+						for (j = 0; j < (img_w / 2); j++) {
+							pdes[2 * j + 0] = psrc[2 * j * step + 0];
+							pdes[2 * j + 1] = psrc[2 * j * step + 1];
+						}
+						pdes += img_w;
+						psrc += step * vframe->FrameWidth;
+					}
+					fwrite(fp_buf, 1, img_w * img_h * 3 / 2, fp);
+					if (vpu_api_debug & VPU_API_DBG_DUMP_LOG) {
+						mpp_log("[write_out_yuv] FrameWidth = %d, FrameHeight = %d", img_w, img_h);
+					}
+				} else {
                 fwrite(ptr, 1, vframe->FrameWidth * vframe->FrameHeight * 3 / 2, fp);
+					if (vpu_api_debug & VPU_API_DBG_DUMP_LOG) {
+						mpp_log("[write_out_yuv] FrameWidth = %d, FrameHeight = %d", vframe->FrameWidth, vframe->FrameHeight);
+					}
+				}
                 fflush(fp);
             }
             vframe->vpumem.phy_addr = fd;
@@ -202,8 +250,8 @@ RK_S32 VpuApi:: decode_getoutframe(DecoderOut_t *aDecOut)
             vframe->vpumem.offset = (RK_U32*)buf;
         }
 		if (vpu_api_debug & VPU_API_DBG_OUTPUT) {
-			mpp_log("get one frame timeUs %lld, fd=0x%x, poc=%d, errinfo=%d, discard=%d, eos=%d", aDecOut->timeUs, fd,
-				mpp_frame_get_poc(mframe), mpp_frame_get_errinfo(mframe), mpp_frame_get_discard(mframe), mpp_frame_get_eos(mframe));
+			mpp_log("get one frame timeUs %lld, fd=0x%x, poc=%d, errinfo=%d, discard=%d, eos=%d, verr=%d", aDecOut->timeUs, fd,
+				mpp_frame_get_poc(mframe), mpp_frame_get_errinfo(mframe), mpp_frame_get_discard(mframe), mpp_frame_get_eos(mframe), vframe->ErrorInfo);
 		}
         if (mpp_frame_get_eos(mframe)) {
             set_eos = 1;
@@ -211,7 +259,7 @@ RK_S32 VpuApi:: decode_getoutframe(DecoderOut_t *aDecOut)
                 aDecOut->size = 0;
             }
         }
-        mpp_free(mframe);
+		mpp_frame_deinit(&mframe);
     } else {
         aDecOut->size = 0;
     }
diff --git a/mpp/legacy/vpu_api_legacy.h b/mpp/legacy/vpu_api_legacy.h
index 7ef3dfc8..52616167 100644
--- a/mpp/legacy/vpu_api_legacy.h
+++ b/mpp/legacy/vpu_api_legacy.h
@@ -50,6 +50,7 @@ private:
     RK_U32 set_eos;
     RK_U32 vpu_api_debug;
     FILE *fp;
+	RK_U8  *fp_buf;
 };
 
 #endif /*_VPU_API_H_*/