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Author SHA1 Message Date
midnightmagic
cfcbf6a8da -h now lists the new '-' option (woops) 2014-09-14 14:15:53 -07:00
midnightmagic
fd998e2bf7 libsndfile can be used to open a UNIX-style pipe on many platforms 
In specific, it can be used to read in data almost directly from Gqrx
Currently, this will not function correctly using -i /dev/stdin on OS X
because stdin is not seekable, and it is not actually a file; also, for
ongoing raw data, there are no hints for libsndfile to identify the
sample.

So, we can use the UNIX-y '-' to do libsndfile-approved fd handle open.

Tested with the dsd-samples wav after converting it to correct sampletype
(stereo) -> sox p25_raw_unencrypted_edf.wav -c 2 ~/gqrx_last_recorded_filename.wav
.. and then pressing 'play' in the Gqrx interface while running:

socat udp-listen:7355 - | dsd -i - -o pa:2

.. in the background. And it decoded it nicely as many times as I played it,
which was 5 or 10.
 2014-09-11 03:32:22 -07:00
Jared Szechy
6a9aa076b8 Add option to display available portaudio devices. 2014-07-07 20:21:39 -04:00
Jared Szechy
45eb53f245 Merge pull request #38 from jpwichern/master 
Portaudio support
 2014-06-09 15:50:52 -04:00
Jiri Wichern
74fa117850 Tweaking the delay a bit... 0,050 s for output seems too little; it results in choppy audio and ultimately, a heap of errors. 0,100 seems ok for the output buffer. But the input buffer needs to be much larger else it overflows. Also, an extra stop stream before terminating to make sure all audio from the audio buffer is played. 2014-06-07 20:49:35 +02:00
jpwichern
5dd236ec96 Update dsd_audio.c 
Small oops
 2014-06-06 17:26:50 +02:00
jpwichern
55b190ef49 Update dsd.h, dsd_audio.c, dsd_main.c and dsd_symbol.c 
Adding portaudio support. Implementing it as a new audio_..._type in dsd.h.

Update CMakeLists.txt and create FindLibPortAudio.cmake

CMake portaudio check
 2014-06-05 21:54:38 +02:00
Jared Szechy
df3c0dcab4 Merge pull request #36 from robotastic/master 
Fixes a crash if an irrecoverable error happens
 2014-05-27 19:19:36 -04:00
robotastic
d077cd8316 Fixes a crash if an irrecoverable error happens 
If an irrecoverable error happens, you should start a new sequence
since the previous dibit was not set
 2014-05-26 22:30:45 -04:00
Jared Szechy
05caba143b Merge pull request #35 from dreinhold/master 
Allow the mbe file move to work in windows based systems.
 2014-05-26 17:56:39 -04:00
Dylan Reinhold
f2767707ef Allow the mbe file move to work in windows based systems. 2014-05-26 10:37:15 -07:00
Jared Szechy
4e338dede9 Fixed file output directory. 
- This fix is very minimal, as a result output directory arguments
    must have a trailing slash.

Fixes #34
 2014-05-26 12:38:07 -04:00
Jared Szechy
f207eba8f9 Use svg travis-ci badge 2014-05-15 22:06:41 -04:00
Jared Szechy
3e9dc91e81 Merge pull request #30 from EdFuentetaja/master 
P25 "heuristiscs" module
 2014-05-10 21:28:18 -04:00
Jared Szechy
c39b0e6e43 Add travis-ci badge to README 2014-05-10 21:10:47 -04:00
Jared Szechy
a9995c695a Add sudo to install 2014-05-10 21:07:00 -04:00
Jared Szechy
f062fe0ef3 Forgot directory on cmakes 2014-05-10 21:04:57 -04:00
Jared Szechy
5f30a6aad6 Make travis_deps.sh executable 2014-05-10 21:03:04 -04:00
Jared Szechy
e0c574c470 Fix package names 2014-05-10 21:01:31 -04:00
Jared Szechy
68c471d639 First cut at enabling travis-ci 2014-05-10 20:55:31 -04:00
EdFuentetaja
1c05c6da6e Merge branch 'master' of https://github.com/EdFuentetaja/dsd.git 2014-05-11 08:43:54 +08:00
EdFuentetaja
8f61ac63a3 Minor fix in comments. 2014-05-11 08:43:06 +08:00
EdFuentetaja
840dbac8b0 Minor fix in comments. 2014-05-11 08:34:40 +08:00
EdFuentetaja
a0c7d16905 Merge branch 'master' of https://github.com/szechyjs/dsd.git 
Conflicts:
	dsd.h
	test/reedsolomon-test.cpp
 2014-05-11 08:21:20 +08:00
EdFuentetaja
9655ab0bd7 Merge branch 'master' of https://github.com/EdFuentetaja/dsd.git 2014-05-11 08:16:37 +08:00
EdFuentetaja
9e6b3b7978 Included error correction on P25 TDULC. 
Added a new "heuristics" module for P25 that improves the estimation of the symbol (dibit) that corresponds to a given analog signal value.
Added a BER (bit error reate) estimation for P25.
 2014-05-11 08:14:29 +08:00
EdFuentetaja
d8181ec79e Fixed some compilation warnings and added a few comments. 2014-05-11 08:14:29 +08:00
EdFuentetaja
f8cd8d715f Added error correction to the metadata of LDU1 and LDU2. 
Refactored implementation of p25p1_ldu1.c and p25p1_ldu2.c. There are less duplicities now and hopefully is easier to read and maintain.
Added a unit test for the Hamming algorithm.
 2014-05-11 08:14:28 +08:00
Jared Szechy
20c55d073b Update samples 2014-05-11 08:14:28 +08:00
Jared Szechy
1e854adb84 Use gtest for golay24 and reed-solomon tests 2014-05-11 08:14:27 +08:00
Jared Szechy
6ab62d006a Add itpp as a requirement in readme 2014-05-11 08:14:27 +08:00
EdFuentetaja
9d0fe07931 Included error correction on P25 TDULC. 
Added a new "heuristics" module for P25 that improves the estimation of the symbol (dibit) that corresponds to a given analog signal value.
Added a BER (bit error reate) estimation for P25.
 2014-05-11 02:23:24 +08:00
EdFuentetaja
b45e563e54 Fixed some compilation warnings and added a few comments. 2014-05-06 23:57:15 +08:00
Jared Szechy
ad0c849dc4 Merge pull request #26 from waffle-iron/master 
waffle.io Badge
 2014-04-26 10:59:00 -04:00
Making GitHub Delicious.
3229737e6c add waffle.io badge 2014-04-26 08:57:22 -06:00
Jared Szechy
596451eba0 Fix compile errors from #23 2014-04-22 19:46:01 -04:00
Jared Szechy
c23ff4fe0c Merge pull request #23 from EdFuentetaja/master 
Error correction on the metadata fields of P25 LDU1 and LDU2
 2014-04-22 19:23:07 -04:00
Jared Szechy
134f2e8e21 Move bulk of README to the Wiki 2014-04-22 19:21:43 -04:00
EdFuentetaja
01a2b6959a Added error correction to the metadata of LDU1 and LDU2. 
Refactored implementation of p25p1_ldu1.c and p25p1_ldu2.c. There are less duplicities now and hopefully is easier to read and maintain.
Added a unit test for the Hamming algorithm.
 2014-03-31 23:37:08 +08:00
EdFuentetaja
7299b78c3b Merge branch 'master' of https://github.com/szechyjs/dsd.git 2014-03-31 21:31:30 +08:00
EdFuentetaja
9b35ef5c83 Added a few comments, fixed ortography and some other cosmetic changes. 2014-03-31 21:31:00 +08:00
Jared Szechy
75972cb024 Update samples 2014-03-12 01:26:16 -04:00
Jared Szechy
461031d3f1 Use gtest for golay24 and reed-solomon tests 2014-03-11 22:29:15 -04:00
Jared Szechy
772eb7f810 Merge pull request #22 from EdFuentetaja/master 
Added support for error correction in P25 HDU data.
 2014-03-11 21:34:25 -04:00
EdFuentetaja
3f4ff87078 Added support for error correction in P25 HDU data. 
Both Golay(24,12,8) and Reed-Solomon(63,47,17) are now implemented.
 2014-03-11 22:41:59 +08:00
Jared Szechy
1553973718 Add itpp as a requirement in readme 2014-03-01 18:13:47 -05:00
Jared Szechy
95c3d8fd27 Merge pull request #20 from EdFuentetaja/master 
Added decoding and error correction on the NID fields: NAC and DUID.
 2014-03-01 15:01:24 -05:00
EdFuentetaja
d7b36f32c0 Parity errors in NIC are now ignored. 
Clean up the code to make it easier to understand. Now the logic to error correct the NIC makes more sense.
 2014-03-01 20:35:46 +08:00
EdFuentetaja
9b9cb78ddf Added decoding and error correction on the NID fields: NAC and DUID. Making use of the IT++ library for BCH encoding/decoding. 2014-02-02 14:45:19 +08:00
Jared Szechy
e40e89ae81 Merge pull request #15 from dreinhold/add_git_sha_version 
Add git tag / SHA1 as a build string
 2013-12-19 10:09:02 -08:00