mirror of
https://github.com/DSheirer/sdrtrunk.git
synced 2026-11-12 08:37:25 -05:00
f2f2c92afe
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.
74 lines
2.7 KiB
Java
74 lines
2.7 KiB
Java
/*******************************************************************************
|
|
* SDR Trunk
|
|
* Copyright (C) 2015 Dennis Sheirer
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
******************************************************************************/
|
|
|
|
package io.github.dsheirer.module;
|
|
|
|
public abstract class Module
|
|
{
|
|
/**
|
|
* Defines the basic component level class for all processing, demodulation
|
|
* and decoding components that can operate within a processing chain.
|
|
*
|
|
* Modules can optionally implement any of the following interfaces:
|
|
*
|
|
* IAudioPacketListener consumes audio packets
|
|
* IAudioPacketProvider produces audio packets
|
|
* ICallEventListener consumes call events
|
|
* ICallEventProvider provides call events
|
|
* IChannelEventListener consumes channel events
|
|
* IChannelEventProvider provides channel events (reset, selection, start, etc)
|
|
* 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
|
|
*/
|
|
public Module()
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Initialize or reset all internal states to default - prepare to start
|
|
* processing or resume processing, potentially with a different source.
|
|
*
|
|
* This method is invoked after constructing a module, and following any stop()
|
|
* calls and before any start() calls. This allows the module to prior to
|
|
* starting a module and starting it again processing a newly tuned channel,
|
|
* like a traffic channel.
|
|
*/
|
|
public abstract void reset();
|
|
|
|
/**
|
|
* Start processing.
|
|
*/
|
|
public abstract void start();
|
|
|
|
/**
|
|
* Stop processing
|
|
*/
|
|
public abstract void stop();
|
|
|
|
/**
|
|
* Dispose of all resources and listeners and prepare for garbage collection
|
|
*/
|
|
public abstract void dispose();
|
|
|
|
}
|