demux: add free_demuxer_and_stream() function

Although their lifetimes are conceptually different, it happens often
that a demuxer is destroyed together with its stream.

1 files changed, 9 insertions, 0 deletions

diff --git a/demux/demux.c b/demux/demux.c
index 8af76daa1f..b10b0d6f45 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -245,6 +245,15 @@ void free_demuxer(demuxer_t *demuxer)
     talloc_free(demuxer);
 }
 
+void free_demuxer_and_stream(struct demuxer *demuxer)
+{
+    if (!demuxer)
+        return;
+    struct stream *s = demuxer->stream;
+    free_demuxer(demuxer);
+    free_stream(s);
+}
+
 // Start the demuxer thread, which reads ahead packets on its own.
 void demux_start_thread(struct demuxer *demuxer)
 {