[FFmpeg-devel] [PATCH v2] ffmpeg: Don't print graphs if there are no outputs yet

[softworkz .]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Mark
> Thompson
> Sent: Samstag, 17. Mai 2025 22:02
> To: ffmpeg-devel at ffmpeg.org
> Subject: [FFmpeg-devel] [PATCH v2] ffmpeg: Don't print graphs if there are no
> outputs yet
> 
> Avoids writing an empty json blob in setup error cases.
> ---
> On 17/05/2025 20:08, softworkz . wrote:
> > If you could resubmit without the nb_filtergraphs check that would be fine!
> 
> Sure, here.
> 
> Thanks,
> 
> - Mark
> 
>  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) {
> --

Excellent, thanks a lot for reviewing the feature!

LGTM
sw