ffmpeg: add -(no)stdin option.

Allows to disable interaction from standard input.
Useful, for example, if ffmpeg is in the background process group.
Roughly the same result can be achieved with "ffmpeg ... < /dev/null"
but it requires a shell.

1 files changed, 2 insertions, 0 deletions

diff --git a/ffmpeg.c b/ffmpeg.c
index 9057fe178a..2d12241a0a 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -5878,6 +5878,8 @@ static const OptionDef options[] = {
       "add timings for each task" },
     { "progress", HAS_ARG | OPT_EXPERT, {(void*)opt_progress},
       "write program-readable progress information", "url" },
+    { "stdin", OPT_BOOL | OPT_EXPERT, {(void*)&stdin_interaction},
+      "enable or disable interaction on standard input" },
     { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
     { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
       "dump each input packet" },