filter: Make ->open() optional.

[paraslash.git] / play.c

diff --git a/play.c b/play.c
index e484427c87c1ed44d0585b67ef813b1c4da48521..d2539ee134773614a40bca9941f35dd161007946 100644 (file)
--- a/play.c
+++ b/play.c
@@ -13,7 +13,6 @@
 #include "para.h"
 #include "list.h"
 #include "play.cmdline.h"
-#include "filter.cmdline.h"
 #include "error.h"
 #include "ggo.h"
 #include "buffer_tree.h"
@@ -398,7 +397,8 @@ static int load_file(struct play_task *pt)
        pt->fn.btrn = btr_new_node(&(struct btr_node_description)
                EMBRACE(.name = decoder->name, .parent = pt->rn.btrn,
                        .handler = decoder->execute, .context = &pt->fn));
-       decoder->open(&pt->fn);
+       if (decoder->open)
+               decoder->open(&pt->fn);
 
        /* setup default writer */
        pt->wn.conf = check_writer_arg_or_die(NULL, &pt->wn.writer_num);