diff --git a/sys/androidmedia/gstamc.c b/sys/androidmedia/gstamc.c
index 0c81533417..c1d23d4200 100644
--- a/sys/androidmedia/gstamc.c
+++ b/sys/androidmedia/gstamc.c
@@ -2393,9 +2393,9 @@ gst_amc_color_format_info_set (GstAmcColorFormatInfo * color_format_info,
  * platform/frameworks/media/libstagefright/colorconversion/ColorConversion.cpp
  */
 gboolean
-gst_amc_color_format_copy (GstAmcColorFormatInfo * cinfo,
+gst_amc_color_format_copy (const GstAmcColorFormatInfo * cinfo,
     GstAmcBuffer * cbuffer, const GstAmcBufferInfo * cbuffer_info,
-    GstVideoInfo * vinfo, GstBuffer * vbuffer,
+    const GstVideoInfo * vinfo, GstBuffer * vbuffer,
     GstAmcColorFormatCopyDirection direction)
 {
   gboolean ret = FALSE;
diff --git a/sys/androidmedia/gstamc.h b/sys/androidmedia/gstamc.h
index aa0ff4648f..afddbc56ff 100644
--- a/sys/androidmedia/gstamc.h
+++ b/sys/androidmedia/gstamc.h
@@ -143,8 +143,8 @@ typedef enum
 } GstAmcColorFormatCopyDirection;
 
 gboolean gst_amc_color_format_copy (
-    GstAmcColorFormatInfo * cinfo, GstAmcBuffer * cbuffer, const GstAmcBufferInfo * cbuffer_info,
-    GstVideoInfo * vinfo, GstBuffer * vbuffer, GstAmcColorFormatCopyDirection direction);
+    const GstAmcColorFormatInfo * cinfo, GstAmcBuffer * cbuffer, const GstAmcBufferInfo * cbuffer_info,
+    const GstVideoInfo * vinfo, GstBuffer * vbuffer, GstAmcColorFormatCopyDirection direction);
 
 const gchar * gst_amc_avc_profile_to_string (gint profile, const gchar **alternative);
 gint gst_amc_avc_profile_from_string (const gchar *profile);