ffmpeg: add sdp_file option

Allow printing of sdp information to a file specified by -sdp_file
This allows users to print sdp information when at least one of the
outputs isn't an rtp stream.

Signed-off-by: Simon Thelen <ffmpeg-dev@c-14.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/ffmpeg.h b/ffmpeg.h
index 117a35ce87..0ad1e37267 100644
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@ -470,6 +470,7 @@ extern FilterGraph **filtergraphs;
 extern int        nb_filtergraphs;
 
 extern char *vstats_filename;
+extern char *sdp_filename;
 
 extern float audio_drift_threshold;
 extern float dts_delta_threshold;