diff --git a/common/ihevc_defs.h b/common/ihevc_defs.h
index d0b11b7..fb9f979 100644
--- a/common/ihevc_defs.h
+++ b/common/ihevc_defs.h
@@ -272,6 +272,13 @@ enum
 #define BIT_DEPTH           8
 #define BIT_DEPTH_LUMA      BIT_DEPTH
 #define BIT_DEPTH_CHROMA    BIT_DEPTH
+
+#define BIT_DEPTH_8BITS     8
+#define BIT_DEPTH_10BITS    10
+
+#define PIXEL_SIZE_1BYTE    sizeof(UWORD8)
+#define PIXEL_SIZE_2BYTES   sizeof(UWORD16)
+
 /*****************************************************************************/
 /* Profile tier level defs                                                   */
 /*****************************************************************************/
diff --git a/decoder/ihevcd_api.c b/decoder/ihevcd_api.c
index 386adb7..7f918f5 100644
--- a/decoder/ihevcd_api.c
+++ b/decoder/ihevcd_api.c
@@ -1168,6 +1168,10 @@ WORD32 ihevcd_init(codec_t *ps_codec)
     ps_codec->s_parse.i4_abs_pic_order_cnt = -1;
 
     ps_codec->i4_chroma_format_idc = CHROMA_FMT_IDC_YUV420;
+    ps_codec->i4_pixel_size_y = PIXEL_SIZE_1BYTE;
+    ps_codec->i4_pixel_size_uv = PIXEL_SIZE_1BYTE;
+    ps_codec->i4_bit_depth_luma = BIT_DEPTH_8BITS;
+    ps_codec->i4_bit_depth_chroma = BIT_DEPTH_8BITS;
 
     /* Set ref chroma format by default to 420SP UV interleaved */
     ps_codec->e_ref_chroma_fmt = IV_YUV_420SP_UV;