Add new source and sink implementations: NullSource and NullSink. Also add NullBackend corresponding to them and register it in BackendDispatcher.
Implementation is very simple: null source should produce zeros, and null sink should just ignore samples written to it.
The new backend should be employed when user specifies null:// as --input parameter of roc-recv or --output parameter of roc-send. We should ensure that roc-recv and roc-send work correctly with this special null device.
Null source or sink should report that it doesn't have clock and latency. It should accept any configuration, and if it's not provided, default to 44100 sample rate and 2 channels.
Add new source and sink implementations:
NullSourceandNullSink. Also addNullBackendcorresponding to them and register it inBackendDispatcher.Implementation is very simple: null source should produce zeros, and null sink should just ignore samples written to it.
The new backend should be employed when user specifies
null://as--inputparameter ofroc-recvor--outputparameter ofroc-send. We should ensure thatroc-recvandroc-sendwork correctly with this special null device.Null source or sink should report that it doesn't have clock and latency. It should accept any configuration, and if it's not provided, default to 44100 sample rate and 2 channels.
Source, sink, and backend interfaces are here: src/internal_modules/roc_sndio (see
ISource,ISink, andIBackend) Example of backend implementation can be found here: src/internal_modules/roc_sndio/target_sox/roc_sndio Documentation for CLI tools is here: https://roc-streaming.org/toolkit/docs/tools/command_line_tools.htmlSee also #246 for additional hints.