[FFmpeg-cvslog] examples/filtering: fix unused variable and return value in open_input_file ().

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Fri Feb 17 11:19:29 2012 +0100| [2b97be5d570587f9c2ef17e6fad79f3636e5ae7e] | committer: Clément Bœsch

examples/filtering: fix unused variable and return value in open_input_file().

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2b97be5d570587f9c2ef17e6fad79f3636e5ae7e
---

 doc/examples/filtering.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/doc/examples/filtering.c b/doc/examples/filtering.c
index fa8cb89..2ca6a05 100644
--- a/doc/examples/filtering.c
+++ b/doc/examples/filtering.c
@@ -47,7 +47,7 @@ static int64_t last_pts = AV_NOPTS_VALUE;
 
 static int open_input_file(const char *filename)
 {
-    int ret, i;
+    int ret;
     AVCodec *dec;
 
     if ((ret = avformat_open_input(&fmt_ctx, filename, NULL, NULL)) < 0) {
@@ -126,6 +126,7 @@ static int init_filters(const char *filters_descr)
 
     if ((ret = avfilter_graph_config(filter_graph, NULL)) < 0)
         return ret;
+    return 0;
 }
 
 static void display_picref(AVFilterBufferRef *picref, AVRational time_base)