[PD] [PD-announce] AoO (audio over OSC) v2.0-pre2

[Christof Ressi]

Hi Max,

ah, you're right. On Linux you need root privileges to bind to ports 
below 1024, I forgot that... I'll use higher port numbers in the help 
patch then. Thanks for reporting!

Christof

On 29.06.2020 12:22, Max wrote:
> When I run the server patch i get this:
>
> aoo_client: couldn't bind to port 1000
> aoo_client: couldn't bind to port 1001
> aoo_send~: couldn't bind to port 1000
> aoo_receive~: couldn't bind to port 1001
>
> that's on Ubuntu 20.04
>
> I think it works once I change the [aoo_client] to 8000 and 8001
>
>
> On 22.06.20 15:20, Christof Ressi wrote:
>> Dear list,
>>
>> here's a new pre-release for the AoO multichannel audio streaming 
>> library. In the last two months, the library has been seen many 
>> improvements and has been used successfully in our Virtual Rehearsal 
>> Room project (see vrr.iem.at <https://vrr.iem.at/>).
>>
>> Binaries for all common platforms (Windows, macOS, Linux, ARM boards) 
>> are available on Deken (search for "aoo"). The source code can be 
>> found here: https://git.iem.at/cm/aoo
>>
>> See the help patches (aoo_send~-help.pd, aoo_receive~-help.pd, 
>> aoo_server.pd) for usage instructions.
>>
>> If you want to stream between different home networks (without port 
>> forwarding), you can use [aoo_client] and connect to our public AoO 
>> server at the IEM (hostname: vrr.iem.at, port: 7077). You can easily 
>> set up your own AoO server by running a Pd patch containing 
>> [aoo_server <port>] on your web server.
>>
>> ---
>>
>> Selected features:
>>
>> # create audio networks of any topology with arbitrary ad-hoc 
>> connections
>> # [aoo_send~] / [aoo_receive~] take a port number and ID, so multiple 
>> objects (within a single Pd instance) can operate on the same port. 
>> Additionally, you can have multiple objects across different Pd 
>> instances (using different port numbers).
>> # [aoo_send~] can stream to several destinations simultaneously;
>> # [aoo_receive~] can receive several AoO streams simultaneously, 
>> summing the signals
>> # AoO is connectionless: streams can start/stop at any time, enabling 
>> a "message-based audio" approach.
>> # AoO sinks can "invite" sources, i.e. ask them to send audio. The 
>> source may follow the invitation or decline it.
>> # AoO sinks and sources can operate at different blocksizes and 
>> samplerates
>> # the streaming format can be set independently for each source; 
>> currently only PCM (uncompressed) and Opus (compressed) are 
>> implemented, but this can be easily extended with the AoO codec 
>> plugin API.
>> # audio encoding/decoding is multithreaded
>> # adjustable resending mechanism for dropped packets
>> # adjustable jitter buffer size.
>> # [aoo_server] / [aoo_client] implement the UDP hole punching 
>> technique to establish peer2peer connections between different home 
>> networks.
>> # AoO is actually a C++ library with a C interface, so it can be used 
>> in apps or embedded devices (like the ESP32). An implementation for 
>> Supercollider is already planned.
>>
>> ---
>>
>> For questions, bug reports or feature requests, please open an issue 
>> at https://git.iem.at/cm/aoo/-/issues. We're very happy about any 
>> kind of feedback!
>>
>> Christof
>>
>>
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