rawdec: Allow overriding top field first.

Iam not sure this is the best way to implement it, but its the simplest
and keeps the code seperate from the application. Keeping ffmpeg.c
simple and not requireing user apps to duplicate this code.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/ffmpeg.c b/ffmpeg.c
index d0a5d04660..5373b7593f 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2979,6 +2979,7 @@ static int opt_qscale(const char *opt, const char *arg)
 static int opt_top_field_first(const char *opt, const char *arg)
 {
     top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
+    opt_default(opt, arg);
     return 0;
 }