[Portaudio] Read audio data output from sound card

Prabhakar Ranjan prabhakar.ranjan at glocaledge.com
Tue Aug 8 10:56:04 EDT 2017

There is one for Windows called NAudio which provides this ability, but I
have not been able to find one for mac. Soundflower code is there on github
and that may be a way to go through that code for my needed functionality
but again it will not be a cross platform solution.
I don't think there should be a security concern fetching the audio
buffers. Enabling the feature of loopback will be temporary and will be
handled internally to start a loopback once the system output is playing
some audio.

On Tue, Aug 8, 2017 at 8:04 PM, sqweek <sqweek at gmail.com> wrote:

> On 08/08/2017 10:22 pm, "Alberto di Bene" <dibene at usa.net> wrote:
> On 8/8/2017 4:01 PM, Prabhakar Ranjan wrote:
> I am looking for some *cross platform audio API* which will allow me to
> get the audio buffer
> The keywords here are those underlined... As far as I know, there are no
> cross platform APIs
> to do what you want... how to get the audio buffers IMHO is highly
> platform-dependent...
> Not only is it platform dependent, afaik whether it is even possible to
> achieve *well* is driver dependent. On Windows, it used to be the case that
> every driver advertised a "stereo mix" device which could be used to read
> the data going to the speakers, but since about the XP days this
> functionality has become rare in consumer level sound card drivers. There
> are workarounds but the ones I tried had significant latency...
> -sqweek
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