Log with level AV_LOG_ERROR if av_parse_color() cannot recognize a

color.

Originally committed as revision 18868 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/parseutils.c

@@ -247,7 +247,7 @@ int av_parse_color(uint8_t *rgba_color, const char *color_string, void *log_ctx)
                                           sizeof(ColorEntry),
                                           color_table_compare);
         if (!entry) {
-            av_log(log_ctx, AV_LOG_DEBUG, "Cannot find color '%s'\n", color_string);
+            av_log(log_ctx, AV_LOG_ERROR, "Cannot find color '%s'\n", color_string);
             return -1;
         }
         memcpy(rgba_color, entry->rgba_color, 4);