diff --git a/ijkmediaplayer/jni/ijksdl/ffmpeg/ijksdl_vout_overlay_ffmpeg.c b/ijkmediaplayer/jni/ijksdl/ffmpeg/ijksdl_vout_overlay_ffmpeg.c
index 8b0f4d201568b7f50e4556dc529cbeb4c2d01b0d..7055430b8f760e51cd21ca1ef25a0bdcaa9fc590 100644
--- a/ijkmediaplayer/jni/ijksdl/ffmpeg/ijksdl_vout_overlay_ffmpeg.c
+++ b/ijkmediaplayer/jni/ijksdl/ffmpeg/ijksdl_vout_overlay_ffmpeg.c
@@ -175,8 +175,10 @@ enum AVPixelFormat SDL_VoutFFmpeg_GetBestAVPixelFormat(Uint32 format)
     case SDL_FCC_YV12:
         return AV_PIX_FMT_YUV420P;
     case SDL_FCC_RV32:
+        // FIXME: android only
         return AV_PIX_FMT_0BGR32;
     case SDL_FCC_RV16:
+        // FIXME: android only
         return AV_PIX_FMT_RGB565;
     default:
         return AV_PIX_FMT_NONE;