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[WIP] Implements reusable sample buffers across all components. This

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produces a significant reduction in memory usage, especially for tuners
like the airspy and hackrf that produce 10/20 MSPS sample rates.  This
is observed to be around 66% reduction in peak memory usage and provides
a more stable memory utilization across time reducing stress on the
garbage collector.

Use of these reusable memory buffers will be pushed further down into
the processing chain modules to ensure we keep new object creation
to the lowest levels possible.
This commit is contained in:
Denny
2018-02-03 10:05:16 -05:00
parent fcd3c2fd46
commit f2f2c92afe
56 changed files with 1630 additions and 1255 deletions
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3
src/main/java/io/github/dsheirer/module/Module.java
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@@ -32,12 +32,11 @@ public abstract class Module
* ICallEventProvider provides call events
* IChannelEventListener consumes channel events
* IChannelEventProvider provides channel events (reset, selection, start, etc)
* IComplexBufferListener consumes complex samples and normally
* produces demodulated real sample buffers
* IFrequencyCorrectionController provides tuned frequency error corrections
* IMessageProvider produces messages
* IRealBufferListener consumes demodulated real sample buffers
* IRealBufferListener produces demodulated real sample buffers
* IReusableComplexBufferListener consumes complex samples and normally produces demodulated real sample buffers
* ISquelchStateListener consumes squelch states
* ISquelchStateProvider provides squelch states
*/