[Libav-user] avio_alloc_context with multiple threads

[Victor dMdB]

On Sun, 1 Jan 2017, at 11:04 PM, Charles wrote:
> On 01/01/2017 05:22 AM, Victor dMdB wrote:
> > If I have multiple streams of distinct data, how would I go about making
> > sure data is thread safe in real-time applications?
> >
> > My code is in C++, so I managed to pass a write function using extern C
> > but that makes the function global (ie not thread safe), I tried fixing
> > with thread_local but i then ran into other issues.
> >
> > I then tried using the private data ptr, but then I get a data race,
> > because I was just polling with a while loop in another thread, which is
> > rather unreliable.
> >
> > Are there any previous examples of how to do this?
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> 
> Muxing or Demuxing? Multiple streams are files or actual transport
> streams?
> 
> Thanks
> Charles
> 
> 
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In my case it is to mux mp4 files into rtp format, would it be different
if it were transport streams?