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NTAuthority · 2008-09-23, 13:33

When playing a RTSP stream on Windows XP, libavformat seems to return error -5, aka AVERROR_IO (I got that error number from my own debug addition to the source code, which adds the return value from m_dllAvFormat.av_open_input_file).

This was in 2006 required, because ffmpeg didn't support RTSP on Windows back then. Strangely, on a Vista machine, exactly the same binary correctly plays the stream?

NTAuthority · 2008-09-23, 14:59

Another thing I noticed is that the TCP handshake does not work correctly: XBMC sends the server a SYN, the server sends a SYN+ACK, and then the client returns a RST -- which should be an ACK + more transfers. VLC for example correctly plays the RTSP stream, and my Vista machine does that too. Sad

**spiff** · 2008-09-23, 15:16

we use ffmpeg for rtsp so you need to take this to them. before you do so make sure it fails with ffplay as well

NTAuthority · 2008-09-23, 15:57

Hi, this problem does not seem to occur with ffplay (September 6th build) -- it correctly opens the RTSP stream and reads from it according to Wireshark.

**spiff** · 2008-09-23, 16:57

rite. then its our issue. please open a trac ticket (linking here / quoting your discoveries)

NTAuthority · 2008-09-23, 17:01

Ticket created: http://trac.xbmc.org/ticket/4966

althekiller · 2008-09-23, 20:20

Probably has something to do with our ffmpeg being some 2300 revisions behind. An update is planned after atlantis.

NTAuthority · 2008-09-24, 08:39

This even occurs with the latest ffmpeg DLL files (compiled myself using the build_xbmc_win32.sh, and resolved some missing exports), which is pretty strange.