diff options
-rw-r--r-- | doc/protocols.texi | 2 | ||||
-rw-r--r-- | libavformat/rtsp.c | 5 | ||||
-rw-r--r-- | libavformat/rtsp.h | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/doc/protocols.texi b/doc/protocols.texi index 2c842656f3..36aecff19f 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -733,6 +733,8 @@ The following values are accepted: Accept packets only from negotiated peer address and port. @item listen Act as a server, listening for an incoming connection. +@item prefer_tcp +Try TCP for RTP transport first, if TCP is available as RTSP RTP transport. @end table Default value is @samp{none}. diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index 82ae3bd3eb..d89af626da 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -86,6 +86,7 @@ const AVOption ff_rtsp_options[] = { { "http", "HTTP tunneling", 0, AV_OPT_TYPE_CONST, {.i64 = (1 << RTSP_LOWER_TRANSPORT_HTTP)}, 0, 0, DEC, "rtsp_transport" }, RTSP_FLAG_OPTS("rtsp_flags", "set RTSP flags"), { "listen", "wait for incoming connections", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_LISTEN}, 0, 0, DEC, "rtsp_flags" }, + { "prefer_tcp", "try RTP via TCP first, if available", 0, AV_OPT_TYPE_CONST, {.i64 = RTSP_FLAG_PREFER_TCP}, 0, 0, DEC|ENC, "rtsp_flags" }, RTSP_MEDIATYPE_OPTS("allowed_media_types", "set media types to accept from the server"), { "min_port", "set minimum local UDP port", OFFSET(rtp_port_min), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MIN}, 0, 65535, DEC|ENC }, { "max_port", "set maximum local UDP port", OFFSET(rtp_port_max), AV_OPT_TYPE_INT, {.i64 = RTSP_RTP_PORT_MAX}, 0, 65535, DEC|ENC }, @@ -1766,6 +1767,10 @@ redirect: int lower_transport = ff_log2_tab[lower_transport_mask & ~(lower_transport_mask - 1)]; + if ((lower_transport_mask & (1 << RTSP_LOWER_TRANSPORT_TCP)) + && (rt->rtsp_flags & RTSP_FLAG_PREFER_TCP)) + lower_transport = RTSP_LOWER_TRANSPORT_TCP; + err = ff_rtsp_make_setup_request(s, host, port, lower_transport, rt->server_type == RTSP_SERVER_REAL ? real_challenge : NULL); diff --git a/libavformat/rtsp.h b/libavformat/rtsp.h index 76c7f181cf..d159793835 100644 --- a/libavformat/rtsp.h +++ b/libavformat/rtsp.h @@ -413,6 +413,7 @@ typedef struct RTSPState { #define RTSP_FLAG_CUSTOM_IO 0x4 /**< Do all IO via the AVIOContext. */ #define RTSP_FLAG_RTCP_TO_SOURCE 0x8 /**< Send RTCP packets to the source address of received packets. */ +#define RTSP_FLAG_PREFER_TCP 0x10 /**< Try RTP via TCP first if possible. */ typedef struct RTSPSource { char addr[128]; /**< Source-specific multicast include source IP address (from SDP content) */ |