diff --git a/mpp/codec/dec/m2v/m2vd_parser.c b/mpp/codec/dec/m2v/m2vd_parser.c
index 5a08bd82..20f70b01 100644
--- a/mpp/codec/dec/m2v/m2vd_parser.c
+++ b/mpp/codec/dec/m2v/m2vd_parser.c
@@ -958,14 +958,18 @@ static int m2vd_decode_seq_header(M2VDParserContext *ctx)
     RK_U32 width = m2vd_read_bits(bx, 12);
     RK_U32 height = m2vd_read_bits(bx, 12);
 
+    ctx->display_width = width;
+    ctx->display_height = height;
+
+    height = MPP_ALIGN(height, 16);
+    width = MPP_ALIGN(width, 16);
+
     if (width != ctx->seq_head.decode_width ||
         height != ctx->seq_head.decode_height)
         ctx->info_changed = 1;
 
     ctx->seq_head.decode_width = width;
     ctx->seq_head.decode_height = height;
-    ctx->display_width = ctx->seq_head.decode_width;
-    ctx->display_height = ctx->seq_head.decode_height;
     ctx->seq_head.aspect_ratio_information = m2vd_read_bits(bx, 4);
     ctx->seq_head.frame_rate_code = m2vd_read_bits(bx, 4);
     if (!ctx->frame_period || pre_frame_rate_code != ctx->seq_head.frame_rate_code)
@@ -1274,8 +1278,6 @@ static MPP_RET m2vd_alloc_frame(M2VDParserContext *ctx)
         pic_head->pre_temporal_reference = pic_head->temporal_reference;
         pic_head->pre_picture_coding_type = pic_head->picture_coding_type;
         ctx->frame_cur->picCodingType = pic_head->picture_coding_type;
-        ctx->seq_head.decode_height = (ctx->seq_head.decode_height + 15) & (~15);
-        ctx->seq_head.decode_width = (ctx->seq_head.decode_width + 15) & (~15);
 
         mpp_frame_set_width(ctx->frame_cur->f, ctx->display_width);
         mpp_frame_set_height(ctx->frame_cur->f, ctx->display_height);