GitHub/sdrtrunk
1
0
Fork 0
mirror of https://github.com/DSheirer/sdrtrunk.git synced 2026-11-13 09:07:27 -05:00
Code Issues Packages Projects Releases 2 Wiki Activity

Memory/CPU performance improvement and Audio/Mixer source restructuring

Browse Source 
Converted to use float primitives and to keep samples in buffer format until the sample rate is decimated to 48kHz.  
Added new non-recursive, CIC decimation filter -- untested

Updated sound card/mixer input source management.  Now testing for mono/stereo support for each card and limiting channel choices accordingly.  Separated the mixersource into a ComplexMixer and and SimplexMixerSource.  The ComplexMixer is used for sound card based tuners like the funcube.  The SimplexMixerSource is used for demodulated sound card inputs.

Interfaces for sample handling - standardized on using 'Complex' to indicate I/Q samples and 'Simplex' to indicate demodulated float samples.  The processing chain now accepts either a decimated (48k) list of complex samples from a tuner channel source, or a 48k simplex buffer (array of demodulated float samples).

Resolved issue with HackRF tuner not applying tuner configuration information.
This commit is contained in:
dennis.sheirer
2014-10-26 10:11:30 +00:00
parent 0ad710fea2
commit e61c3a891c
71 changed files with 1754 additions and 619 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/instrument/gui/DecoderViewFrame.java
View File

@@ -80,7 +80,7 @@ public class DecoderViewFrame extends JInternalFrame
else if( source.getSampleType() == SampleType.FLOAT )
{
FloatWaveSource fws = (FloatWaveSource)mWaveSource;
fws.setListener( mDecoder.getFloatReceiver() );
fws.setListener( mDecoder.getSimplexReceiver() );
}
mDecoder.addMessageListener( this );

12
src/instrument/tap/stream/FloatTap.java
View File

@@ -19,11 +19,11 @@ package instrument.tap.stream;
import instrument.tap.TapListener;
import instrument.tap.TapType;
import sample.Listener;
import sample.simplex.SimplexSampleListener;
public class FloatTap extends StreamTap implements Listener<Float>
public class FloatTap extends StreamTap implements SimplexSampleListener
{
private Listener<Float> mListener;
private SimplexSampleListener mListener;
public FloatTap( String name,
int delay,
@@ -33,7 +33,7 @@ public class FloatTap extends StreamTap implements Listener<Float>
}
@Override
public void receive( Float sample )
public void receive( float sample )
{
if( mListener != null )
{
@@ -46,12 +46,12 @@ public class FloatTap extends StreamTap implements Listener<Float>
}
}
public void setListener( Listener<Float> listener )
public void setListener( SimplexSampleListener listener )
{
mListener = listener;
}
public void removeListener( Listener<Float> listener )
public void removeListener( SimplexSampleListener listener )
{
mListener = null;
}