ZigaS
b743943c70
Update to Qt 5.12.0.
...
Project files with MacOS clang RPATH to use proper paths for shared objects.
Minor path updates in favor of loading plugin libs.
Deployment script packaging using Qt way(macdeployqt).
2018-12-27 09:48:30 +01:00
f4exb
d13fb41927
Reverse API: channels: updated plugin versions
2018-12-24 14:52:53 +01:00
f4exb
6dc443c512
Reverse API: DSD demod
2018-12-22 13:05:48 +01:00
f4exb
2e58818776
Reverse API: right click dialog on start/stop button. Apply to RTL-SDR
2018-12-17 00:34:14 +01:00
f4exb
0e75cc3709
Wndows builds: removed reference to now obsolete MinGW64 toolchain
2018-12-14 17:49:06 +01:00
f4exb
35e787f89b
Windows MSVC2017: added DSD demodulator
2018-11-28 14:23:25 +01:00
f4exb
dc2f25a00b
Windows: MSVC2017: fixed more attribute unused cases (1)
2018-11-13 00:45:03 +01:00
f4exb
eed10172f4
DSD demod: changed squelch 0.1 dB steps to 1 dB steps
2018-10-22 14:51:47 +02:00
f4exb
39c553d763
DSD demod: fixed highpass filter display in the UI
2018-09-13 17:34:45 +02:00
f4exb
5771ef4783
Foolproof AudioFifo to try fix issue #210 . Consequently removed useless timeout parameter on read and write methods
2018-09-12 15:30:53 +02:00
f4exb
f8e90827ac
Renamed the UDPSink from sdrbase utils to UDPSinkUtil
2018-09-11 23:45:56 +02:00
f4exb
c9c19f412c
Cleanup of old scope objects
2018-08-12 15:49:14 +02:00
f4exb
f368c62329
Fixed power display going to floor value in some demods
2018-08-05 12:44:06 +02:00
Edouard GRIFFITHS
ea83e43d09
New Windows build
2018-07-11 18:05:05 +02:00
f4exb
95f39109f7
DSD demod: NXDN: updated documentation
2018-06-27 09:15:31 +02:00
f4exb
5f120fb2cb
DSD decoder: NXDN: support for EFR vocoder only with DV serial
2018-06-25 01:05:13 +02:00
f4exb
deae4e6271
DSD NXDN support: more documentation
2018-06-22 17:41:15 +02:00
f4exb
15a51fb932
DSD NXDN support: updated documentation
2018-06-22 00:25:11 +02:00
f4exb
777a1b0123
DSD demod: NXDN support documentation
2018-06-21 03:57:16 +02:00
f4exb
e86120969a
DSD decoder: NXDN implementation
2018-06-20 09:15:17 +02:00
f4exb
1eb8716a9f
Fixes for Arch. Manual merge of pull request #183 . DATV demod: fixed some of ffmpeg deprecation warnings
2018-06-13 00:20:51 +02:00
f4exb
f76fafe826
Windows build fix
2018-06-10 12:17:26 +02:00
f4exb
5c2ce71639
DSD demod: fixed Debian build
2018-06-09 22:00:30 +02:00
f4exb
c07bb0cd4d
DSDdemod: debug message fix
2018-05-29 01:04:23 +02:00
f4exb
9b42dd1bfa
Server: added DSD demod plugin
2018-05-29 00:33:27 +02:00
f4exb
0c328546b0
WFM demod: implemeted WEB API
2018-05-25 10:08:47 +02:00
f4exb
72e58534e3
Web API: BFM and DSD demod fixes. SSB demod: change clipping limiter constants
2018-05-24 18:23:08 +02:00
f4exb
128ac7ea1f
DSD demod: implemeted WEB API
2018-05-24 12:17:29 +02:00
f4exb
aaeec634fe
DSD demod: updated status log text font
2018-05-21 08:13:35 +02:00
beta-tester
1c952d3b0e
force 24h time format
...
changed hh:mm to HH:mm
changed dd.MM.yyyy to yyyy-MM-dd to uniform all date format
2018-05-11 11:00:08 +02:00
f4exb
7bf777e498
Get rid of ugly native dialogs on file chooser dialogs
2018-05-11 00:00:15 +02:00
f4exb
c43ecc8afe
Channel Rx plugins: use liberation font
2018-05-05 18:12:05 +02:00
f4exb
2efa7ab594
DSD demod: allow use of audio rates that are integer multiples of 8k other than 48k (x2,3,4,5)
2018-04-23 01:04:47 +02:00
f4exb
486468afe0
Updated Debian changelog and DSD demod doc
2018-04-22 18:49:58 +02:00
f4exb
4670cbaa33
Merge branch 'master' into dev
2018-04-22 07:48:13 +02:00
Jason Gerecke
8cf3469c87
Fix spelling errors in documentation
2018-04-21 18:45:09 -07:00
f4exb
b4a77e08c8
DSD demod: symmetrical attack and decay for squelch like NFM
2018-04-21 17:22:07 +02:00
f4exb
84538f1acf
DSD demod: use buffered squelch to start decoding at the very beginning of the transmission regardless of squelch gate length
2018-04-21 09:56:12 +02:00
f4exb
8dfdc1086c
PVS-Studio static analysis corrections (4)
2018-04-04 23:39:31 +02:00
f4exb
5a5d9e497e
DSD demod: Windows build
2018-04-02 00:35:56 +02:00
f4exb
04d7e56f84
DSD demod: status text dialog: removed auto default on save button
2018-04-02 00:21:12 +02:00
f4exb
dd1686df9e
DSD demod: updated documentation and Debian changelog
2018-04-01 23:49:26 +02:00
f4exb
21aaeaedda
DSD demod: status text log dialog save to file
2018-04-01 22:45:43 +02:00
f4exb
8d64ca2068
DSD demod: new dialog to show status text log
2018-04-01 22:14:11 +02:00
f4exb
a447193bd7
DSD demod: make FM deviation independent of RF bandwidth. Bumped version to 3.14.1
2018-04-01 09:33:08 +02:00
f4exb
53beb8a92d
Removed UDP address and port from Channel marker
2018-03-30 19:06:27 +02:00
f4exb
e0356a39a5
Multiple audio: updated plugins documentation
2018-03-30 11:51:57 +02:00
f4exb
231cb45aa6
Removed obsolete references to AudioNetSink
2018-03-28 10:00:56 +02:00
f4exb
814764eeee
WFM demod: remove UDP/RTP copy audio entirely
2018-03-28 09:18:28 +02:00
f4exb
f71446b6ec
Multiple audio support: DSD demodulator: allow to use native 8k decoder if audio sample rate is 8k
2018-03-28 08:43:11 +02:00
f4exb
c4b092dff0
Multiple audio support: DSD demodulator
2018-03-28 08:00:27 +02:00
f4exb
a0282dd3d9
DSD demod: removed copy to UDP/RTP
2018-03-27 00:38:26 +02:00
f4exb
745e187e2b
Multiple audio support: extend audio output information to UDP/RTP information. New audio preferences dialog
2018-03-25 11:50:34 +02:00
f4exb
7aaa230eb4
Multiple audio support: added ability to manage more than one audio output
2018-03-24 23:50:28 +01:00
f4exb
15e62814de
Multiple audio support: removed audio methods from DSP engine and use AudioDeviceManager instead
2018-03-24 03:36:49 +01:00
f4exb
94d3c7155c
TV screen: removed useless render immediate indicator
2018-03-23 09:24:18 +01:00
f4exb
170c59de43
Channel Rx demods: in constructor make sure the thread is launched when all members have been properly initialized (i.e. do it last)
2018-03-16 10:24:19 +01:00
f4exb
0157c950f4
DSD demod: GUI cosmetic change
2018-03-15 01:22:40 +01:00
f4exb
8d984c2f09
DSD demod: TV screen graticule optimization
2018-03-15 00:16:50 +01:00
f4exb
56178c65cf
DSD demod: updated documentation following GUI redesign
2018-03-14 05:16:07 +01:00
f4exb
d555333f8e
DSD demod: GUI scope simplification (7)
2018-03-13 08:16:39 +01:00
f4exb
c2544b528e
DSD demod: GUI scope simplification (6)
2018-03-13 01:39:43 +01:00
f4exb
dc5f1397b6
DSD demod: GUI scope simplification (5)
2018-03-12 20:39:16 +01:00
f4exb
e317a0bbea
DSD demod: GUI scope simplification (4)
2018-03-12 09:18:21 +01:00
f4exb
47036d8c3a
DSD demod: GUI scope simplification (3)
2018-03-12 05:27:21 +01:00
f4exb
1728f91d15
DSD demod: GUI scope simplification (2)
2018-03-12 05:23:09 +01:00
f4exb
de68eb360f
DSD demod: GUI scope simplification (1)
2018-03-12 05:07:51 +01:00
f4exb
b2e446afcc
Windows build: new location for export header
2018-03-10 20:32:46 +01:00
f4exb
46f80e2a15
DSD demod: implement RTP over UDP for audio copy final
2018-03-09 06:54:45 +01:00
f4exb
5fa4454b5a
Added .vscode folder to .gitignore
2018-03-08 18:53:02 +01:00
f4exb
d34ff61032
DSD demod: implement RTP over UDP for audio copy (part 2)
2018-03-08 08:59:17 +01:00
f4exb
3dbf59cd1d
DSD demod: implement RTP over UDP for audio copy (part 1)
2018-03-07 01:39:02 +01:00
f4exb
28e9df5fe8
Clang clean compile
2018-03-04 01:47:51 +01:00
f4exb
9162a51f41
DSD demod: delete scope vis to fix memory leak
2018-02-17 21:02:48 +01:00
f4exb
8da0d3a8b4
DSD demod: fixed index overflow
2018-02-17 09:35:17 +01:00
f4exb
67e664ef06
Fixed memory leak with handling of DSPSignalNotification message in modulators and demodulators. Removed reference to unused PIDController class
2018-02-14 20:11:36 +01:00
f4exb
5e57c0462f
Cosmetic changes
2018-02-05 18:01:23 +01:00
f4exb
b0a97510e2
Moving average cleanup
2018-02-03 10:33:02 +01:00
f4exb
f4e2ac61f8
Merge branch 'dev'
2018-01-28 09:28:25 +01:00
f4exb
c2594836b0
DSD Demod: compatibility with 24 bit samples in DSP
2018-01-24 23:57:36 +01:00
Christopher Hewitt
e48cb8ceed
DSD demod: fix typo
2018-01-22 21:28:11 -05:00
f4exb
a47587e16f
Specify Scope and Spectrum Vis floating point sample scale
2018-01-22 14:07:24 +01:00
f4exb
2ddcb8c358
Differentiate Rx and Tx DSP sample sizes
2018-01-22 08:46:05 +01:00
f4exb
491b8a6d33
Replaced hardcoded bit scaling literals by defines
2018-01-21 10:57:04 +01:00
f4exb
6885dd1fe6
All concerned demods: call applyChannelSettings with force=true at construction and start.
2018-01-09 00:59:10 +01:00
f4exb
1ec8eecefb
DSD demod: use lower cutoff for optional audio high pass filter
2018-01-02 20:02:30 +01:00
f4exb
0b72c016ab
DSD demod: gcc7 warnings fixes
2017-12-31 03:34:38 +01:00
f4exb
723df69943
BFM and DSD demod: gcc7 warnings fixes
2017-12-31 03:16:30 +01:00
f4exb
d476736487
Demods : use specific method to apply channelizer sample rate and frequency offset changes. Separate this data from settings
2017-12-29 11:04:47 +01:00
f4exb
e39e080cc0
Channel source/sink APIs: removed useless getDeltaFrequency pure virtual method
2017-12-29 05:22:26 +01:00
f4exb
add0a614dd
DSD demod: updated documentation
2017-12-26 21:47:56 +01:00
f4exb
2145eeb7b6
DSD demod: highpass filtering for audio completed
2017-12-26 20:29:23 +01:00
f4exb
e1d7ada5dd
DSD demod: highpass filtering for audio (1)
2017-12-26 10:59:51 +01:00
f4exb
31aacc9571
Plugin interface: simplify createRxChannelGUI
2017-12-23 10:32:02 +01:00
f4exb
703aa21159
Plugin interface: simplify createRxChannel
2017-12-23 09:54:42 +01:00
f4exb
514e408aac
Server: Web API: /sdrangel/deviceset/{deviceSetIndex}/channel POST implementation and rework in the PluginInterface
2017-12-23 05:56:40 +01:00
f4exb
9dd707896d
Use a name field in channels to be used in headless version to replace the GUI object name that was used as the name field
2017-12-20 23:57:06 +01:00
f4exb
e1ad61d692
Bumped version of all channel plugins
2017-12-18 00:06:01 +01:00
f4exb
6d12443100
Server: changes to support DeviceSet
2017-12-17 23:15:42 +01:00
f4exb
02e0945368
Web API: implemented /sdrangel/channels: Get a list of channel plugins available in this instance
2017-11-23 01:19:32 +01:00
f4exb
dc50ba1249
Web API: report Rx channel info summary
2017-11-19 18:18:17 +01:00
f4exb
d0572a6f84
Added microsecond epoch as unique id to channel instances
2017-11-19 11:36:20 +01:00
f4exb
3db655fe61
Highlight demod frame when the marker is highlighted on the spectrum
2017-11-14 22:58:35 +01:00
f4exb
f6337e4597
Bumped version to 3.8.4
2017-11-14 01:50:14 +01:00
f4exb
04c495d876
DSD Demod: applied new channel marker signal handling
2017-11-14 01:34:51 +01:00
f4exb
c4e26bf66d
Rx channel plugins: use the demodulator constructor separated from the demodulator GUI constructor
2017-11-09 01:03:05 +01:00
f4exb
4ad038ed9d
Created demod constructor method in all Rx channel plugins
2017-11-08 14:23:49 +01:00
f4exb
76bf0ad104
Rx plugins: removed useless create method in private slot
2017-11-08 00:03:12 +01:00
f4exb
9ff05baa70
Renamed createRxChannel to createRxChannelGUI to described only the GUI will be created there in the future
2017-11-07 23:49:27 +01:00
f4exb
10e92686fc
Move main window readme to the sdrgui folder where it makes more sense
2017-11-02 14:09:15 +01:00
f4exb
7370eba0f7
Bumped version to v3.8.0
2017-11-01 14:58:36 +01:00
f4exb
e206fc84a8
Create channel registration methods for the Tx part in DeviceUISet
2017-10-31 22:37:57 +01:00
f4exb
a61bb04dac
Rx Channel plugins now handled via DeviceUISet
2017-10-31 08:24:05 +01:00
f4exb
a106deeaf7
Make a static getter of Main Window reference as it is de facto a singleton. Use it in place of plugin API getter
2017-10-24 13:45:10 +02:00
f4exb
fa77ca3fb6
Code re-organization in two libraries sdrbase and sdrgui in view of core / GUI split
2017-10-22 19:12:43 +02:00
f4exb
8c2483a850
Demod GUI corrections
2017-10-12 01:21:30 +02:00
f4exb
8bee1b600c
DSD demod: fixed volume too low when using DV serial dongle
2017-10-07 05:06:44 +02:00
f4exb
3405424ad1
DSD demod: old code cleanup
2017-10-04 00:29:47 +02:00
f4exb
392f1f43d6
DSD demod: use settings in demod
2017-10-04 00:02:59 +02:00
f4exb
2bcf9e0933
DSD demod: use settings in GUI
2017-10-03 23:42:56 +02:00
f4exb
601b429a96
DSD demod settings: corrected squelch scaling
2017-10-03 23:05:18 +02:00
f4exb
96530f13f4
DSD demod: rescale squelch
2017-10-03 23:03:29 +02:00
f4exb
6e2e8dc2b5
DSD demod: rescale demod gain and volume
2017-10-03 23:00:18 +02:00
f4exb
65ec5015df
DSD demod: rescale RF bandwidth and FM deviation
2017-10-03 22:49:30 +02:00
f4exb
878871e120
DSD demod: reorder parameters in configure method
2017-10-03 22:43:34 +02:00
f4exb
2cf107ee34
DSD demod settings: correct serialize/deserialize frequency offset
2017-10-03 22:24:07 +02:00
f4exb
3e9be4181c
DSD demod settings: save input requency offset
2017-10-03 22:19:40 +02:00
f4exb
a03d08248b
DSD demod: settings
2017-10-02 23:01:13 +02:00
f4exb
9d7bfe4a25
DSD demod: settings (1)
2017-10-02 19:38:52 +02:00
f4exb
918aff8b8f
DSD demod: separate GUI from demod
2017-10-02 13:56:40 +02:00
f4exb
0b6eb2129a
Reset PluginInstanceGUI to its original name
2017-09-26 00:22:08 +02:00
f4exb
a9a514993b
Windows build: corrections for the new tool chain
2017-09-18 13:41:08 +02:00
f4exb
2b4f8a0f55
Implemented GUI input message queue and interface
2017-09-16 22:23:31 +02:00
f4exb
1d4cb21bb5
Separate construction/destruction for the source input plugin core and the GUI
2017-09-16 10:45:08 +02:00
f4exb
a6d6a717ae
GUI segregation: renamed PluginGUI interface to PluginInstanceUI
2017-09-03 19:55:00 +02:00
f4exb
4d36cba7a8
Updated documentation (1)
2017-08-27 11:28:54 +02:00
f4exb
70de05f060
DSD demodulator: use channel marker serializer/deserializer
2017-08-26 14:36:38 +02:00
f4exb
27d504e1ac
AM demod: implement copy audio to UDP and basic channel settings dialog
2017-08-26 05:32:01 +02:00
f4exb
d84b69633c
DSD and BFM demods: fixed UDP copy button tooltip when port changes
2017-08-25 18:58:53 +02:00
f4exb
c76a617be4
DSD demod: display UDP address and port in the button tooltip
2017-08-25 09:32:17 +02:00
f4exb
115379bcf2
DSD demod: use AudioSample type for the UDP sink buffer
2017-08-25 01:17:21 +02:00
f4exb
1b2df9f0fc
DSD demod: copy to UDO only from first audio FIFO when both slots are selected
2017-08-25 00:04:44 +02:00
f4exb
511686f820
Use new audio fifo based on audio sample type
2017-08-25 00:02:49 +02:00
f4exb
d98d8757b0
Moved audio sample definitions to dsp types definitions
2017-08-24 15:24:28 +02:00
f4exb
f74e74af12
DSD demod: implemented audio duplication to UDP
2017-08-24 13:51:24 +02:00
f4exb
3b5fe0170f
DSD decoder: put UDP sink for audio in place
2017-08-24 08:46:14 +02:00
f4exb
614021f9a0
Added send port to UDP parameters
2017-08-24 02:26:47 +02:00
f4exb
01eed29a6f
Implemented new basic channel settings dialog instead of widget inside rollup
2017-08-24 02:05:48 +02:00
f4exb
0c0bf2e094
DSD demodulator: implemented now channel marker settings with UDP parameters
2017-08-23 23:44:12 +02:00
f4exb
315d408eee
DSD demod plugin: slow down channel power refresh rate
2017-08-17 17:48:47 +02:00
f4exb
59a4dab7df
All mod and demod plugins: try to fix channel power display
2017-05-26 01:19:36 +02:00
f4exb
3a3d8e3dcb
activated compiler warnings
2017-05-25 20:13:34 +02:00
f4exb
e946242fae
Updated documentation
2017-05-19 10:52:18 +02:00
f4exb
d842b44c28
Value dials: implement Ctl to shift digits by 2. Updated documentation
2017-05-18 01:48:52 +02:00
f4exb
b31e0ace57
AM demod: use ValueDialZ for channel delta frequency value dial
2017-05-17 23:34:14 +02:00
f4exb
048ef1bf67
DSD demod: use ValueDialZ for channel delta frequency value dial
2017-05-17 23:22:17 +02:00
f4exb
579c05cfe5
Use doubles for all power calculations
2017-05-16 23:39:49 +02:00
f4exb
dafad384c8
Merged Sigysmund changes for Mac OS Sierra on v3.4.5
2017-05-16 23:01:44 +02:00
f4exb
bb849623bd
updated value dials with Windows compatible font and pointing hand
2017-05-16 22:35:44 +02:00
f4exb
007ea19e36
Bumped version to 3.5.0
2017-05-16 18:38:39 +02:00
f4exb
895051098d
New value dial color schemes. apply to ChannelAnalyzerNG, AM demod, DSD demod, NFM demod, BladeRF input, LimeSDR input and SDRDaemonFEC input
2017-05-16 17:48:12 +02:00
f4exb
416817d0b8
Mods and demods: prevent returning null or infinite values for squared magnitude
2017-05-16 17:46:44 +02:00
ZigaS
27aab58d92
MacOS(sierra) development environment.
...
Updated qmake project configs.
Deploy & Run script.
For now only hardware supported is HackRF.
2017-05-15 12:32:16 +02:00
f4exb
ffb6ad3009
Use double storage type for all moving average instances
2017-05-12 00:03:56 +02:00
f4exb
9fcc3cd426
Remved default constuctors in Moving average and AGC classes
2017-05-11 18:39:00 +02:00
f4exb
b232a21e2c
Bumped to version 3.4.3
2017-05-07 14:36:18 +02:00
f4exb
c2dc6b3594
DSD demodulator: updated documentation
2017-05-07 14:21:28 +02:00
f4exb
0e70c84f45
DSD demod: added possibility to enable/disable the symbol PLL
2017-05-07 10:23:37 +02:00
f4exb
767b0af06c
DSD demod: updated documentation
2017-05-06 12:25:18 +02:00
f4exb
62cbcc3083
DSD demod: fixed possible buffer overrun with sprintf
2017-05-06 12:24:57 +02:00
f4exb
15443fb72d
DSD decoder: updated to get symbol PLL lock status. Bumped to version 3.4.2
2017-05-06 00:29:58 +02:00
f4exb
cf267b1254
Code warnings in Eclipse cleanup
2017-05-05 10:40:45 +02:00
f4exb
4f12661c82
DSD Demod: completed the string length comtrol in YSF message displa
2017-02-04 20:02:07 +01:00
f4exb
6d4c000107
DSD demod: improve YSF stability. Bumped to version 3.2.0
2017-01-29 14:55:54 +01:00
f4exb
aa84dba7ce
NFM and DSD demods: corrected squelch open GUI display
2017-01-17 00:49:52 +01:00
f4exb
7e6ab8204b
NFM and DSD plugins: use double for base type of moving average. There was an overflow with float on high power signals (over ~5 dBm) preventing the squelch to close back
2017-01-15 17:03:32 +01:00
f4exb
618f302aad
DSD demod: adapt to dsdcc version 1.6
2017-01-13 02:16:28 +01:00
f4exb
d09f0d2ede
Bumped to version 2.5.1
2016-12-17 08:06:36 +01:00
f4exb
dad2bf7bf9
DSD Demod: use same magnitude squared average technique for the squelch as with the NFM demod
2016-12-14 18:46:31 +01:00
f4exb
25e171bf90
Signal meter: adjust font
2016-12-07 02:53:10 +01:00
f4exb
8ecb76067d
DSD Demod GUI: adjust fonts
2016-12-07 01:41:51 +01:00
f4exb
30de817ba6
BFM and DSD Demods: added signal strength gauge. Limit height on all signal gauges
2016-12-06 19:06:38 +01:00
f4exb
caa7905be3
Windows build: set SSE options for all demodulator plugins
2016-11-07 18:57:52 +01:00
f4exb
5a5ff31f48
Channel plugins: Removed useless link dependency on QT OpenGL and Multimedia
2016-10-27 08:46:06 +02:00
Edouard Griffiths
ecc1647ee6
Implemented Debian package build environment
2016-10-26 00:57:46 +02:00
f4exb
9299eac9dd
Tx ph.1: plugins (2)
2016-10-13 23:42:08 +02:00
f4exb
94e479bb75
Tx ph.1: plugins (1)
2016-10-13 22:23:43 +02:00
f4exb
32595f81b9
RxTx semantic move: renamed DeviceAPI to DeviceSourceAPI
2016-10-11 01:17:55 +02:00
f4exb
6707bab1a5
Give the decimation method of the Interpolator class its proper name
2016-10-10 01:53:32 +02:00
f4exb
e9f23ed2bf
Bumped to version 2.1.5 for DSDcc YSF voice on fix (1.5.1)
2016-10-08 10:01:59 +02:00
f4exb
dce0ace4ef
RxTx semantic move: renamed ThreadedSampleSink to ThreadedBasebandSampleSink
2016-10-03 15:55:16 +02:00
f4exb
78513854ac
RxTx semantic move: renamed SampleSink to BasebandSampleSink
2016-10-02 22:29:04 +02:00
f4exb
20c6fb19cc
RxTx semantic move: renamed Channelizer to DownChannelizer
2016-10-02 21:52:39 +02:00
f4exb
1f7df6548a
RxTx semantic move: renamed channel plugins directory to channelrx
2016-10-02 13:18:07 +02:00