[FFmpeg-devel] [PATCH 07/22] fftools/ffmpeg_filter: make sure no input or output is bound twice

[Anton Khirnov]

---
 fftools/ffmpeg_filter.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index 60e09866af..432e2fced9 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -595,6 +595,8 @@ static int ifilter_bind_ist(InputFilter *ifilter, InputStream *ist)
     InputFilterPriv *ifp = ifp_from_ifilter(ifilter);
     int ret;
 
+    av_assert0(!ifp->ist);
+
     ifp->ist             = ist;
     ifp->type_src        = ist->st->codecpar->codec_type;
 
@@ -654,6 +656,8 @@ void ofilter_bind_ost(OutputFilter *ofilter, OutputStream *ost)
     FilterGraph  *fg = ofilter->graph;
     const AVCodec *c = ost->enc_ctx->codec;
 
+    av_assert0(!ofilter->ost);
+
     ofilter->ost = ost;
     av_freep(&ofilter->linklabel);
 
-- 
2.40.1