avfiltergraph: make the AVFilterInOut alloc/free API public

This is required for letting applications to create and destroy
AVFilterInOut structs in a convenient way.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/avplay.c b/avplay.c
index 488d0fcd13..4ebccb2acf 100644
--- a/avplay.c
+++ b/avplay.c
@@ -1716,8 +1716,8 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
         return ret;
 
     if (vfilters) {
-        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
-        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
+        AVFilterInOut *outputs = avfilter_inout_alloc();
+        AVFilterInOut *inputs  = avfilter_inout_alloc();
 
         outputs->name    = av_strdup("in");
         outputs->filter_ctx = filt_src;