This mail starts a serie of patches that at the end will allow accepting
multiple connections to only one AVIOContext generating a new AVIOContext to
control the new connection.
The motivation for these patches is allowing a server to use any/some of the
possibilities offered by libavformat providing AVIOContext to any demuxer.
---
libavformat/avio.h | 11 +++++++++++
libavformat/aviobuf.c | 29 +++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 10c0a12..703b913 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -346,6 +346,17 @@ int avio_open2(AVIOContext **s, const char *url, int flags,
const AVIOInterruptCB *int_cb, AVDictionary **options);
/**
+ * Use an initialized AVIOContext to accept an incomming new connection
+ * and produce an AVIOContext with the new connection.
+ *
+ * @param s Initialised context capable of receiving new connections
+ * @param c Used to return the pointer to the creadted AVIOContext
+ * @return 0 in case of success, a negative value corresponding to an
+ * AVERROR code in case of failure
+ */
+int avio_accept(AVIOContext *s, AVIOContext **c, int timeout);
+
+/**
* Close the resource accessed by the AVIOContext s and free it.
* This function can only be used if s was opened by avio_open().
*
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 0353a17..dbf13ce 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -754,6 +754,35 @@ int avio_open2(AVIOContext **s, const char *filename, int
flags,
return 0;
}
+int avio_accept(AVIOContext *srvavio, AVIOContext **clntavio, int timeout) {
+ URLContext *srvctx = srvavio->opaque;
+ URLContext *clientctx = NULL;
+ int ret;
+ if (!srvctx) {
+ av_log(srvavio, AV_LOG_ERROR, "avio_accept. No allocated context\n");
+ return AVERROR_BUG;
+ }
+ if (!srvctx->prot->url_accept) {
+ av_log(srvavio, AV_LOG_ERROR, "Protocol %s does not support accept\n",
+ srvctx->prot->name);
+ return AVERROR_BUG;
+ }
+ if (ret = srvctx->prot->url_accept(srvctx, &clientctx,
+ timeout)) {
+ av_log(srvavio, AV_LOG_ERROR, "Error on Accept\n");
+ return ret;
+ }
+ if (!clientctx) // url_accept timed out
+ return 0;
+ if (ret = ffio_fdopen(clntavio, clientctx)) {
+ av_log(srvavio, AV_LOG_ERROR, "Unable to open accept client"
+ " context\n");
+ return ret;
+ }
+
+ return 0;
+}
+
int avio_close(AVIOContext *s)
{
URLContext *h;
--
1.7.10.4
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