* Misc minor performance improvements
* Use more concise loop syntax
* Use more concise Collection sort syntax
* Use StringUtils pad methods
* Optimize some loops and double-map-lookups
* Optimize array instantiation
There are two styles to convert a collection to an array: either
using a pre-sized array (like c.toArray(new String[c.size()])) or
using an empty array (like c.toArray(new String[0]).
In older Java versions using pre-sized array was recommended,
as the reflection call which is necessary to create an array
of proper size was quite slow. However since late updates of
OpenJDK 6 this call was intrinsified, making the performance
of the empty array version the same and sometimes even better,
compared to the pre-sized version. Also passing pre-sized array
is dangerous for a concurrent or synchronized collection as
a data race is possible between the size and toArray call
which may result in extra nulls at the end of the array,
if the collection was concurrently shrunk during the operation.
* Cleanup string concatenation
* Use EnumMap where possible
* Use FastMath instead of Math
* Initialize complex things only once
* Reduce method size to aloow more JIT inlining
* remove map of short->float
* Move field to local variable
* Cleanup Map lookup
Co-authored-by: Rob Ekl <xwq876@zebra.com>
* Include other member variables in copy constructor
* Add break to switch cases
* Implement equals() in classes extending Comparable
If equals() is not overridden, the equals() implementation is not consistent
with the compareTo() implementation. If an object of such a class is added
to a collection such as java.util.SortedSet, this collection will violate
the contract of java.util.Set, which is defined in terms of equals().
Co-authored-by: Rob Ekl <xwq876@zebra.com>
-Separates USB timeout event processing to a dedicated thread
-Updates USB transfer buffer processor to better detect errors and auto-restart on error (max 3 times)
-Updates Tuner to add an error state and SourceManager to not select tuners with an error state
-Updates ChannelProcessingManager to auto-shutdown channels sourced from tuners set with error state
-Improves logging of USB related errors.
* WIP on new P25 message framer.
* WIP on new P25 message framer.
* Adds new 1/2 and 3/4 rate trellis decoders. Still trying to chase
down why there is a sync pattern mismatch in the NID buffer queue.
* WIP - new p25 message framer works correctly now. PDU's are dectected
and decoded using the 1/2 and 3/4 rate trellis decoders. Packet
Sequences are assembled. Need to add a new packet sequence message
factory that can detect Motorola Auto Registration Service (ARS)
formatted UDP/ID packets and SNDCP command packets.
* WIP - removes nullify on channel results queue.
* WIP - updates message framer for TSBK 1/2/3 processing.
* WIP removing P25 sync pattern and nid bits from all message parsers.
* WIP - merges identifier framework branch changes into this branch.
* WIP on updating link control words to new format and identifier framework.
* WIP - implements rest of link control words for extended formats
* WIP - initial work on ISP/OSP TSBK message restructuring.
* WIP - adds more TSBK ISP and OSP messages
* WIP - finished updating most of the TSBK ISP and OSP messages. Converted
all messages to no longer include the NID (nac + dataunitID) so that
each message can simply hold the parsed values. Removed AliasList as
an argument to each message and updated all messges to use the new
IIdentifer and IAPCO25Channel interfaces.
Removed legacy TDU and LDU link control messages and replaced with a
single LinkControlWord class hierarchy.
P25 decoder state is not yet updated for the new message structure.
PDU message parsing is not fully implemented.
* WIP - adds some Multi-Block trunking control messages with Alternate
and Unconfirmed formats.
* WIP - Fully implements AMBTC and UMBTC PDU message parsers.
Some package restructuring.
* WIP - Resolves Link control parsing in LDU1 and 2 messages.
* WIP - finishes updating TSBK and Link Control messages. Adds support
for moto link control messages for patch groups.
* WIP - finishes updating TSBK and Link Control messages. Adds support
for moto link control messages for patch groups. Adds support for moto
ARS service, IPV4 decoding, and UDP/IP packets.
* WIP - finishes SNDCP packet data with header parsing. Compressed IP or
UDP headers are not yet supported, but are logged as such.
* WIP - converts all talkgroup identifiers to integers and updates
alias list to create a per-protocol map of talkgroup id's to alias.
Inserts a legacy talkgroup (ltr, p25, passport, mpt1327, mdc, etc.)
conversion utility to convert existing legacy (string) talkgroups to
new integer talkgroup format.
Creates an audio packet manager to insert metadata into audio packets
before streaming packets for playback, recording, and/or streaming.
Creates identifier collection to manage current identifiers in each of
the channel and decoder states.
Creates simplified channel metadata to maintain the now playing display.
Moves channel attributes (alias list, system, site, name) as configuration
identifiers in the channel state.
Many other refactoring and updates.
* WIP - numerous updates to push use of identifier collection throughout
the system. Updates the channel metadata and audio packet processing
logic. Implements a large portion of the P25 decode state processing.
Updates traffic channel management. Adds user preferences for timestamp
and identifier formatting, however doesn't add a user interface yet.
* WIP - initial implementation of user preferences editor window.
* WIP - updates preferences editor window to close and dispose window but
retain javafx event thread running.
* WIP - fully updates p25 decoder state and traffic channel processing to
use the new identifier framework.
Cleans up channel event processing and removes channel model as the sole
broadcaster of channel events. Channel processing manager now listens
for all start/stop events and requestors dispatch event directly to the
channel processing manager.
Resolves issue in airspy that was causing user interface to lock-up. The
issue appears to occur when the dongle is plugged into a usb port that
can't fully support the data rate. sdrtrunk now recognizes these errors
and warns the user that they should use another usb port.
* WIP - updates alias action manager and adds new talkgroup range alias identifier.
Updates playlist to incorporate a version number so that the playlist
updater only runs when needed, to update a playlist to the correct
version format.
Updates user preferences to use the google event bus to broadcast
preference update notifications to remove the need for listeners to
register directly on the user preferences instance.
* WIP - updates alias id editors to flag invalid values and moves legacy
alias ids to legacy package.
Updates event logging configuration to add traffic channel decode events
and decoded message logging. Removes binary message logging since that
is now replaced with demodulated bitstream recording.
* Removes system properties from user preferences. Preferences are stored
in the OS-dependent settings store (windows - registry)
* Updates MapService to use new PlottableDecodeEvent instead of monitoring
all of the decoded messages.
Updates Fleetsync decoder and related messages to identifier framework.
* Updates LTR-Net, Fleetsync and LJ1200 decoders to new identifier
framework and adds support for user preferences for formatting of
LTR-Net and fleetsync talkgroup identifiers.
Breaks LTR-Net messages into various message types and uses a new
message factory.
Removes alias list from message processing for ltr-net, fleetsync and
lj1200.
* Updates LTR-Standard messages to Identifier framework.
* Removes Plottable and IPlottable from codebase.
* wip
* WIP on MPT-1327 messages.
* Updates MPT1327 decoder to identifier framework and new traffic channel
manager. This decoder still needs to be updated with a new message
parser factory and a sync detector like what is now used for P25.
* Updates MDC1200 decoder and message to identifier framework.
* Updates Tait1200 and Passport decoders to identifier framework.
* Merges changes from master branch.
* Removes legacy alias support classes. Updates passport message processor
to only pass valid messages. Adds support to playlist updater for
converting passport mobile ids to become passport talkgroup values.
* Updates P25 decoder state and channel state to better track allocated
traffic channels. Resolves issue in timestamp manager for trackig
message timestamps. Resolves issue in airspy tuner that was causing
the tuner to stop sending samples to the application.
* Update P25 Decoder state to process SNDCP management messages and
PDU messages.
Updates P25 activity summary to display network and site details.
Resolves issue with overlay panel that prevented enabled channels from
rendering correctly when zoomed in.
* Creates a new FilePreferences as part of the user preferences to begin
the transition of SystemProperties over to user preferences and consolidate
file preferences in one location.
Updates playlist manager to use the new file preferences and to use
default.xml as the new default playlist name, following conversion of
a playlist_v2.xml format to the new format.
In the near future, the user will be able to edit file locations and to
create/use other playlists.
Resolved an issue with all decoder states where not all identifiers were
being included in decode events.
channel manager so that channel source requests can have a start
timestamp specified and the channel can be preloaded with samples from
the delay buffer. If no timestamp is specified, current time is assumed.
This feature requires corresponding updates to any decoder that wishes
to implement the timestamped sample preloading functionality.
Resolves an issue with the previous implementation where the tuner
editor was being refreshed repeatedly to update the lock state for the
tuner, rendering the editor almost completely unusable.
Now updates only the frequency control and the sample rate control to
reflect the tuner's lock state.
sample rates.
Resolves issue in PolyphaseChannelManager responding to sample rate
changes in the tuner. The manager now recreates the channelizer when
needed if the tuner's sample rate has changed since the last time the
channelizer was used.
Updates the Tuner selection view to reflect tuner lock state. Updates
the tuner editors to enable/disable frequency controller and sample
rate controls according to the tuner's lock state.
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.
