Slight fix in VLC to XDM chroma conversion code.

Signed-off-by: Jean-Paul Saman <jean-paul.saman@m2x.nl>

modules/codec/davinci/davinci.c

@@ -268,6 +268,6 @@ XDAS_Int32 VlcChromaToXdm( vlc_fourcc_t i_chroma )
 #endif
 
         default:
-            return 0;
+            return XDM_CHROMA_NA;
     }
 }

modules/codec/davinci/viddec.c

@@ -152,8 +152,12 @@ int OpenVideoDecoder( vlc_object_t *p_this )
     params.maxBitRate = 0; /* in bits per second */
     params.dataEndianness = XDM_BYTE;//LE_32;
     params.forceChromaFormat = VlcChromaToXdm( i_chroma );
-    /* Or do we want to output directly to XDM_YUV_422ILE as that's what the
-     * frame buffer likes? */
+    if( params.forceChromaFormat == XDM_CHROMA_NA )
+    {
+        msg_Err( p_dec, "Unsupported output chroma (%4.4s).",
+                 (const char *)&i_chroma );
+        goto error;
+    }
 
     p_sys->d = VIDDEC_create( p_sys->e, (String)psz_codec, &params );
     if( !p_sys->d )

modules/codec/davinci/videnc.c

@@ -148,7 +148,7 @@ int OpenVideoEncoder( vlc_object_t *p_this )
     params.dataEndianness = XDM_BYTE;
     params.maxInterFrameInterval = p_enc->i_iframes; /* FIXME? */
     params.inputChromaFormat = VlcChromaToXdm( p_enc->fmt_in.video.i_chroma );
-    if( !params.inputChromaFormat )
+    if( params.inputChromaFormat == XDM_CHROMA_NA )
     {
         msg_Err( p_enc, "Unsupported input chroma (%4.4s).",
                  (const char *)&p_enc->fmt_in.video.i_chroma );