Cool! I will stay updated. Thanks!
On Monday, 22 February 2016 07:50:39 UTC, Sebastian Kraft wrote: > > Please only stick to the examples given in the Readme.md file. Single > buffer IO is not working properly, yet. > My current plan is to extend open() so you can pass a callback function > which does the processing asynchronously. However, it does not seem to work > when C code is called in an @async block... Have to investigate that > further in the next days... > > Am Sonntag, 21. Februar 2016 16:44:50 UTC+1 schrieb CrocoDuck O'Ducks: >> >> Hi there! >> >> I got into PortAudio.jl <https://github.com/seebk/PortAudio.jl> recently >> (see this >> <https://groups.google.com/forum/#!topic/julia-users/ooyT55TI-jk> >> thread). I would like to code realtime digital filters. By that I mean that >> I would like to acquire data from sound-card input(s) and, while the >> acquisition goes on, filter the acquired samples and write the result to >> the sound-card output(s). Latency does not need to be low. I have mostly >> loudspeaker pre-hemphasis applications for acoustic measurements in mind >> for that, that means I will time align what I need later on... I think the >> PortAudio module should make me able to do that... but I have not figured >> out how. Here what I have (very naively) tried: >> >> iostream = open(devID, (max_input_channels, max_output_channels), >> sample_rate, buf_size) >> >> # Use a loop. Ctrl + C to exit the loop. >> >> doloop = true >> >> try >> while doloop >> >> ibuffer = read(iostream, buf_size) # Collect Input >> obuffer = some_filtering_of(ibuffer) # Do some processing >> write(iostream, obuffer) # Write it to output >> >> end >> catch excp >> >> if isa(excp, InterruptException) # Ctrl + C generates an >> InterruptException >> doloop = false >> end >> >> end >> >> Of course, there are many problems with that (it is not collecting >> consecutive buffers, for example). I guess it can help you understanding >> what I have in mind though. >> >
