On Tue, Sep 25, 2007 at 11:41:35PM +0200, Mattieu Baptiste wrote: > On 9/25/07, Jacob Meuser <[EMAIL PROTECTED]> wrote: > > On Tue, Sep 25, 2007 at 08:25:36PM +0200, Mattieu Baptiste wrote: > > > Hi all, > > > > > > At my student residence we broadcast tv (french tnt) over our network > > > and I'm experiencing troubles in watching it with vlc. > > > > > > We use UDP for transport with an MPEG2 container (mpgv for video and > > > mpga for audio). > > > I receive packets, but the image is very ugly (I haven't any sound). > > > > > > I run -current, with latest snapshot packages. > > > Here is messages from vlc : http://mattieu.b.free.fr/openbsd/messages.vlc > > > > > > Any idea on what's going on ? > > > Mattieu > > > > looks like syncing problems due to broken (or maybe out-of-spec) MPEG PS. > > > > here is the relevant message from your output: > > > > ps warning: this does not look like an MPEG PS stream, continuing anyway > > > > can you get a copy of the PS and play it directly (not over the network)? > > > > mplayer is a little more lenient wrt MPEG spec adherence. can you > > play this PS with mplayer? > > > > also, ffmpeg has been updated since the last package snapshots were > > built. not sure if vlc is using libavformat or libavcodec in this > > particular instance, but it might not hurt to try updating your > > ffmpeg package. > > > > -- > > [EMAIL PROTECTED] > > SDF Public Access UNIX System - http://sdf.lonestar.org > > > > > > ok, I tried more experiments, > > If I dump the stream in raw format with vlc on my machine : > http://mattieu.b.free.fr/openbsd/test2.avi the video is very ugly. If > I try to view this file with mplayer, it's ok. > > If dump another sequence of the same stream from the server (debian > fully unstable machine) : http://mattieu.b.free.fr/openbsd/test.avi , > I can play it with vlc (and mplayer) on my machine.
these are completely different files. test.avi has a RIFF AVI header. test2.avi doesn't, it's an MPEG TS. also, the video codec for test.avi is AFAICS, specific to VLC saved streams. neither mplayer, kaffeine nor ffplay can play it here. > I just updated ffmpeg to see if it helps but without luck. maybe vlc doesn't know the difference between a TS (transport stream) and a PS (program stream)? -- [EMAIL PROTECTED] SDF Public Access UNIX System - http://sdf.lonestar.org
