[FFmpeg-cvslog] ffmpeg: Don't print graphs if there are no outputs yet

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Sat May 17 12:07:17 2025 +0100| [20502ba92a5936bc6a6e006d05828b750f4290ed] | committer: Mark Thompson

ffmpeg: Don't print graphs if there are no outputs yet

Avoids writing an empty json blob in setup error cases.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=20502ba92a5936bc6a6e006d05828b750f4290ed
---

 fftools/ffmpeg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index 964770df23..bd6f22e421 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -309,7 +309,7 @@ const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
 
 static void ffmpeg_cleanup(int ret)
 {
-    if (print_graphs || print_graphs_file)
+    if ((print_graphs || print_graphs_file) && nb_output_files > 0)
         print_filtergraphs(filtergraphs, nb_filtergraphs, input_files, nb_input_files, output_files, nb_output_files);
 
     if (do_benchmark) {