Signed-off-by: Stephan Holljes <klaxa1...@googlemail.com>
---
libavformat/avio.h | 29 +++++++++++++++++++++++++++++
libavformat/aviobuf.c | 17 +++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 9b8fcce..06dd7f5 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -648,4 +648,33 @@ struct AVBPrint;
*/
int avio_read_to_bprint(AVIOContext *h, struct AVBPrint *pb, size_t max_size);
+/**
+ * Accept and allocate a client context on a server context.
+ * @param s the server context
+ * @param c the client context, must be unallocated
+ * @return >= 0 on success or a negative value corresponding
+ * to an AVERROR on failure
+ */
+int avio_accept(AVIOContext *s, AVIOContext **c);
+
+/**
+ * Perform one step of the protocol handshake to accept a new client.
+ * This function must be called on a client returned by avio_accept() before
+ * using it as a read/write context.
+ * It is separate from avio_accept() because it may block.
+ * A step of the handshake is defined by places where the application may
+ * decide to change the proceedings.
+ * For example, on a protocol with a request header and a reply header, each
+ * one can constitute a step because the application may use the parameters
+ * from the request to change parameters in the reply; or each individual
+ * chunk of the request can constitute a step.
+ * If the handshake is already finished, avio_handshake() does nothing and
+ * returns 0 immediately.
+ *
+ * @param c the client context to perform the handshake on
+ * @return 0 on a complete and successful handshake
+ * > 0 if the handshake progressed, but is not complete
+ * < 0 for an AVERROR code
+ */
+int avio_handshake(AVIOContext *c);
#endif /* AVFORMAT_AVIO_H */
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index aceb3bf..1b3d5f5 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -1021,6 +1021,23 @@ int avio_read_to_bprint(AVIOContext *h, AVBPrint *pb,
size_t max_size)
return 0;
}
+int avio_accept(AVIOContext *s, AVIOContext **c)
+{
+ int ret;
+ URLContext *sc = s->opaque;
+ URLContext *cc = NULL;
+ ret = ffurl_accept(sc, &cc);
+ if (ret < 0)
+ return ret;
+ return ffio_fdopen(c, cc);
+}
+
+int avio_handshake(AVIOContext *c)
+{
+ URLContext *cc = c->opaque;
+ return ffurl_handshake(cc);
+}
+
/* output in a dynamic buffer */
typedef struct DynBuffer {
--
2.1.0
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