Am Sat, 4 Apr 2015 01:47:42 +0200 schrieb Info || Non-Lethal Applications <[email protected]>:
> Hi, > > > On 04 Apr 2015, at 01:36, robotanarchy <[email protected]> > > wrote: > > > > Hello libav-users, > > > > I'm just getting started with using libav and it is hard to find any > > sample code, except for what is in the doc/examples folder of the > > source tree [1]. > > > > More specifically, I'd like to create a RTP video streaming server > > in C. The closest thing to an example code was this [2] on > > stackoverflow - but it is said not to work well and also it doesn't > > compile with the latest ffmpeg. > > > > I've also tried to fork ffserver, but it also won't compile outside > > of the ffmpeg source tree. Its main file, ffserver.c [3], has this > > infront of most of the header files: > > > > // FIXME those are internal headers, ffserver _really_ > > shouldn't use them > > > > ...so this also doesn't seem to be a good starting point either. I'm > > wondering if such an RTP server is even possible without these > > internal headers. > > > > If it is, can someone please provide some readable example code, > > that does nothing but serve a video over RTP? > > > > Kind regards, > > robotanarchy > > We just did that recently and it worked quite well (we were streaming > a live video source to an iPhone). > > For a very basic approach, you can simply look for examples on how to > encode a video file with libx264. All you need to do make RTP work is > set the output URL as you would normally set a file. Here’s a short > snippet: > > _pVideoOutputFmt = av_guess_format("rtp", NULL, NULL); > > _pVideoFormatCtx = avformat_alloc_context(); > avformat_alloc_output_context2(&_pVideoFormatCtx, _pVideoOutputFmt, > "rtp", _url.c_str()); > /* open the output file, if needed */ > if (!(_pVideoOutputFmt->flags & AVFMT_NOFILE)) > avio_open(&_pVideoFormatCtx->pb, _url.c_str(), AVIO_FLAG_WRITE); > > > And don’t forget to do a avformat_network_init(); or else RTP won’t > work. > > Hope this helps getting you started! > Best regards, > > Flo Thanks, I'll try that! Kind regards, robotanarchy _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
