Avoids writing an empty json blob in setup error cases.
---
fftools/ffmpeg.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index 964770df23..ad28cff78d 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -309,7 +309,8 @@ 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_filtergraphs > 0 || nb_output_files > 0))
print_filtergraphs(filtergraphs, nb_filtergraphs, input_files,
nb_input_files, output_files, nb_output_files);
if (do_benchmark) {
--
2.47.2
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