dd6040336d
minimodem: stats report ampl={amplitude}
2012-08-25 09:17:05 -07:00
f8434f3c94
simple-tone: fix sin() rounding for S16 shorts
...
- fix sine wave rounding for shorts
- short epsilon == 1
- clamp shorts to mag <= 1.0
2012-08-26 12:34:38 -07:00
762a3ea788
minimodem: --volume sets tx amplitude
2012-08-25 00:32:11 -07:00
501ee25c7d
fsk: expect_bits_string param, no start/stop bits required
...
fsk_find_frame() takes expect_bits_string (e.g. "10dddddddd1"), as a
parameter supplied by the caller allowing for encodings which don't use
any start/stop bits (e.g. just "dddddddd").
2012-08-24 13:20:20 -07:00
6bb683a90b
minimodem: fix broken -l switch
2012-08-23 19:23:33 -07:00
e9263c9c9d
fsk: fix noise <= EPSILON handling
...
Handle noise <= EPSILON better; fixes (im)perfect test cases on i386.
2012-08-19 15:58:08 -07:00
96ec6450bb
minimodem: fix size_t %zu warnings on 32-bit platforms
2012-08-19 14:39:14 -07:00
f81f069d95
minimodem: --limit (2.3) sets fsk_confidence_search_limit
...
Significant performance enhancements from fsk_confidence_search_limit:
runs far fewer FFT's when --limit (default 2.3) is less than INFINITY.
2012-08-18 21:24:01 -07:00
e1b055cf4f
fsk: AVOID_TRANSIENTS noise limiter re-enabled
...
Algo #5 needs this, just as #3 did.
2012-08-18 19:15:33 -07:00
076343a9c3
fsk: MIN_MAGNITUDE noise limiter
2012-08-18 19:15:07 -07:00
725355aa43
fsk: performance: do not bzero fftin
2012-08-18 16:52:07 -07:00
bc30de33a4
minimodem: fix carrier_nsamples
...
All test cases (except 45.45 RTTY) get rate perfect!
2012-08-18 13:43:45 -07:00
18b1eb7457
minimodem: default confidence = 2.0 for SNR algo #5
2012-08-18 19:19:22 -07:00
cf9ba20ee0
fsk: confidence algo #5 (SNR)
...
Computes SNR confidence value, where "signal" is the magnitude of the FSK
driven frequency, and "noise" is the magnitude of the non-driven frequency.
(Also includes unused algo #4 code, which may not compile anymore.)
2012-08-14 22:31:30 -07:00
df80c98e22
minimodem: fsk_frame_overscan replaces FSK_SCAN_LAG
2012-08-16 01:03:54 -07:00
6ee10626c9
simple-tone: use integer mod not fmod
2012-08-15 16:57:39 -07:00
fbc99e54fb
simpleaudio: benchmarks cpu id
2012-08-15 12:00:17 -07:00
1dff8e726f
move src/testcases to ./tests
2012-08-15 11:44:26 -07:00
f6c4697cf9
.gitignore files
2012-08-14 13:29:00 -07:00
8533fd1550
simpleaudio: fix --benchmarks for sizeof(long)==4 platforms
2012-08-14 08:28:36 -07:00
67eb9821be
update copyright dates
2012-08-13 21:51:53 -07:00
5fb00dd283
self-test: more test cases
2012-08-13 21:19:08 -07:00
d8ed9bef82
self-test: print the test args
2012-08-13 21:17:38 -07:00
a9c2258706
minimodem: use sine lookup table of 1024, or --lut={tx_sin_table_len}
2012-08-13 21:17:03 -07:00
e2225d6098
simple-tone: sin() lookup tables
2012-08-13 21:09:24 -07:00
d273828f80
minimodem: --float-samples: short arg -F deprecated
2012-08-13 15:55:57 -07:00
bd08b9002c
minimodem: --benchmarks: runs internal performance tests
2012-08-13 15:51:04 -07:00
23ecd6f5a7
simpleaudio: benchmark backend
2012-08-13 15:50:04 -07:00
9948e7c7dd
minimodem: --tx uses S16 samples by default, --float-samples overrides
2012-08-12 15:47:59 -07:00
6671138471
simpleaudio: S16 format handling for backends
2012-08-12 15:39:04 -07:00
a65a20d274
simpleaudio: generalize r/w buf pointer types
2012-08-12 14:39:23 -07:00
4d326a8c82
simpleaudio: generalized simpleaudio_open_stream
2012-08-12 14:24:55 -07:00
5dddc1445a
simple-tone: generate S16 format samples
2012-08-11 21:19:30 -07:00
3053ea78bc
simpleaudio: SA_SAMPLE_FORMAT framework
2012-08-11 21:00:37 -07:00
39bee9adf1
simpleaudio: get_framesize
2012-08-11 20:40:20 -07:00
07a8ca158b
testcases: test-10-verify-perfect
2012-08-11 18:22:43 -07:00
ae6d387d2d
self-test: rename testcases
2012-08-11 16:31:05 -07:00
f3a9337f8d
self-test: change arg order
2012-08-11 16:25:51 -07:00
8d90e839d7
minimodem: --samplerate sets the audio sample rate
2012-08-11 10:24:28 -07:00
22317f54fc
simpleaudio: handle any audio sample rate
2012-08-11 10:07:12 -07:00
500208ba81
simpleaudio-alsa: do not allow soft_resample
2012-08-11 10:28:20 -07:00
b78828ea11
minimodem: usage message fix
2012-08-08 20:18:52 -07:00
4b926d58bb
minimodem: --alsa selects ALSA at runtime
...
./configure now enables --with-pulseaudio and --with-alsa by default;
either can be disabled.
minimodem --alsa: uses ALSA at runtime instead of the default PulseAudio.
2012-08-08 20:10:55 -07:00
445156dfa0
minimodem: man page cleanup
2012-08-08 19:58:05 -07:00
d1f8966ff1
simpleaudio-alsa: correct comments
2012-08-08 18:56:01 -07:00
7cb56487f8
simpleaudio-alsa: do not fiddle with sw params at all
2012-08-08 18:53:24 -07:00
2baf78cba6
simpleaudio-alsa: use default latency, not minimum
2012-08-08 18:35:11 -07:00
deed39904d
simpleaudio-alsa: loop in the sa_ routine; fix xruns
2012-08-08 16:24:44 -07:00
95d7a87ce1
minimodem: configure --with-alsa for ALSA instead of Pulseaudio
2012-08-08 14:26:39 -07:00
e01ccb1d71
simpleaudio: alsa back-end
2012-08-08 14:25:53 -07:00
7d8c62cf5e
configure: new opts --without-{pulseaudio,sndfile}
...
./configure --without-pulseaudio or --without-sndfile (but not both)
to preclude those dependencies.
Sources use config.h defines USE_PULSEAUDIO and USE_SNDFILE.
2012-08-06 13:14:26 -07:00
03396e7027
configure: autoreconf update to autoconf 2.6.8
...
aclocal 1.11.3
autoconf 2.68
automake 1.11.3
2012-08-06 14:11:50 -07:00
777b57dd3a
minimodem: do not do interactive signal handling with --tx --file
2011-07-15 20:37:13 -07:00
e5e620ed95
minimodem-0.8-1
2011-07-15 19:33:50 -07:00
5c849bfca3
minimodem: man page enhancements
2011-07-15 19:17:31 -07:00
93405a3751
minimodem: default 1.5 stop bits for rtty only
2011-07-15 19:00:20 -07:00
2efe4bac19
minimodem: set reasonable default mark/space for high baud rates
2011-07-15 17:56:02 -07:00
7686acc38e
minimodem: transmit interactive zero latency; fix leader/trailer
2011-07-13 20:37:17 -07:00
836475faa3
simpleaudio: zero pulseaudio playback latency
2011-07-13 20:35:45 -07:00
79344a03dd
simpleaudio: zero pulseaudio capture latency
2011-07-10 12:34:44 -07:00
ccf9459ac2
man: recommend --auto-carrier with rtty
2011-07-08 18:13:24 -07:00
9a85232c96
minimodem: --quiet
2011-07-08 18:08:52 -07:00
695c628427
minimodem: --auto-carrier off by default
...
No longer on by default for <= 300 baud.
2011-07-08 17:42:19 -07:00
633153916b
minimodem: --confidence param
2011-07-08 13:16:06 -07:00
7a5aea88df
minimodem: rate analysis fixes ("rate perfect")
...
adjust MIN_CONFIDENCE
2011-07-08 13:03:00 -07:00
bca34371e1
fsk: do not consider the stop bit twice
2011-07-08 13:00:50 -07:00
9efb04cb8c
tests: use -T 1 to check for rate perfect
2011-07-08 11:53:50 -07:00
47ced96ccf
minimodem: version message to stdout
2011-07-08 09:48:52 -07:00
da141a008e
tests: make case 02 shorter
2011-07-08 09:26:52 -07:00
726b284afc
minimodem: CARRIER_AUTODETECT_THRESHOLD reduced to 0.001
2011-07-08 09:26:25 -07:00
25e6e41939
fsk: no FSK_MIN_STRENGTH limitation
2011-07-08 09:26:02 -07:00
1aafe0022b
self-test: MINIMODEM env var
2011-07-08 08:53:06 -07:00
845c3e1be6
fsk: CONFIDENCE_ALGO 3 (worst divergence)
...
CONFIDENCE_ALGO 3 (worst divergence):
- single worst diverging bit in the frame
- amplitude normalized
- drop AVOID_TRANSIENT
2011-07-08 08:03:31 -07:00
cb3e81e576
fsk debug
2011-07-08 07:31:54 -07:00
fd0546d80d
fsk expect_bits
2011-07-07 13:31:10 -07:00
e02172087c
simpleaudio: improve open err msg
2011-07-03 08:59:15 -07:00
2a5307e698
man page cleanup
2011-07-03 08:48:47 -07:00
8161a48e10
minimodem: add --version switch
2011-07-02 14:22:06 -04:00
0e394389e1
minimodem self-test: use .wav
...
Use .wav instead of .flac in self-test, since libsndfile in Ubuntu
Maverick and earlier writes .flac files that it cannot itself read
(flac length unknown).
2011-06-23 23:47:46 -07:00
50864fd556
simpleaudio: tx file extension sets audio format
2011-06-23 23:46:18 -07:00
b1a0a0f7c1
cleanup
2011-06-23 23:06:46 -07:00
2d1310febf
reduce FSK_MIN_STRENGTH to 0.005
2011-06-23 23:05:35 -07:00
702c0be223
minimodem licenced as GPL3+
2011-06-22 17:10:50 -07:00
8bfbfad5dd
minimodem.1 man page
2011-06-22 16:10:31 -07:00
57ad1bb021
build: omit -Werror
2011-06-22 13:55:57 -07:00
6a00252c42
minimodem: default --txstopbits 1.5 for RTTY
2011-06-22 13:43:49 -07:00
27bc5f5ca7
minimodem --txstopbits M.N variable stop bits
2011-06-22 13:43:24 -07:00
1b764faa5b
simpleaudio_tone: handle any duration
2011-06-22 11:14:01 -07:00
3a22116159
fsk: new confidence algo
2011-06-22 10:06:19 -07:00
2b014b50fb
fsk_find_frame: search across an entire bit
2011-06-21 22:30:37 -07:00
65d0232c46
minimodem: make leader tone 2.0 bits long
2011-06-21 20:28:17 -07:00
243af5da56
fsk: floating point band_width
2011-06-21 20:27:51 -07:00
8ba07cb81a
make check: runs testcases/
2011-06-21 20:26:00 -07:00
12565ff39a
minimodem: reduce FSK_SCAN_LAG to 0.4 for improved decode
2011-06-21 16:09:44 -07:00
32141d17d9
make test: run self tests
2011-06-21 16:06:11 -07:00
e1b8082e4c
minimodem cleanup
2011-06-21 14:01:16 -07:00
118722249b
minimodem: allow for band_width > bfsk_data_rate
2011-06-21 12:20:11 -07:00
1ab9d2783c
minimodem: rx rate measurement
2011-06-21 12:18:33 -07:00
9002cf2694
fsk: confidence considers start/stop bits
2011-06-21 12:13:47 -07:00
15bb83ee9b
minimodem: fix segfault on unrecognized option
2011-06-20 19:18:38 -07:00
8e6c3abc2c
remove testdata/ from src dist
2011-06-20 10:34:37 -07:00
7e01e77d5e
minimodem cmdline options reorg
2011-06-20 10:22:11 -07:00
38fa4c71a4
self-test script
2011-06-19 09:41:19 -07:00
5c281ad28f
simpleaudio-sndfile file write
2011-06-19 09:40:49 -07:00
2a7f8214df
minimodem -T rtty (baudot RTTY transmit)
2011-06-18 21:03:20 -07:00
286879cfb3
baudot cleanup
2011-06-18 11:55:48 -07:00
e36594ca47
minimodem cleanup
2011-06-18 11:47:58 -07:00
952962dde3
minimodem -T stdin transmitter
2011-06-18 11:29:48 -07:00
b7338563a7
simpleaudio tone generator
2011-06-18 11:29:00 -07:00
31eb95afe8
simpleaudio: sa_stream_direction
2011-06-17 14:21:31 -07:00
775ef649e1
fsk_bits_analyze / fsk_frame_analyze rework
...
- confidence calc only uses data bits metrics (for good or ill)
2011-06-12 12:42:08 -07:00
1bfd5ada5b
fix nbytes= output label s.b. ndata=
2011-06-12 08:59:27 -07:00
1739f7bfd6
frame_process virtualized
2011-06-12 08:42:19 -07:00
67b9fa68c9
switch test .wav files to .flac
2011-06-10 21:17:53 -07:00
35f03b742e
minimodem: rtty and cmdline band_width
...
* 'rtty' cmdline parm enables 45.45 baud 5-bit Baudot
* band_width cmdline parm
2011-06-10 18:09:47 -07:00
8a6847195e
minimodem: f.p. decode_rate and more
...
* floating point decode_rate
* switch cmdline argument order
* other misc
2011-06-10 18:19:40 -07:00
e7b16118e4
fsk: respect n_data_bits
2011-06-10 16:19:11 -07:00
9481667c16
test suite restructure
2011-06-10 18:03:52 -07:00
439b606a97
minimodem 0.2.0
2011-06-08 14:00:22 -07:00
54f8efde20
minimodem: use fsk.h API
2011-06-08 13:21:12 -07:00
188b899bb0
simpleaudio: read returns ssize_t to allow for -1
2011-06-07 16:31:26 -07:00
35121ab63c
fsk: move advance to top of loop
2011-06-06 21:36:23 -07:00
0509066f34
fsk cleanup
2011-06-06 21:33:50 -07:00
69a4cddd3e
run-test cleanup
2011-06-06 21:28:14 -07:00
336a057233
fsk: carrier autodetect for 300 baud
2011-06-05 12:10:59 -07:00
2ea1085b45
fsk cleanup
2011-06-05 08:49:06 -07:00
cd6ab7f77d
fsk: noconfidence_bits increase to 20
...
... and probably should be set even higher, to allow for even longer
idle-bit (stop-bit) periods.
2011-06-05 08:44:47 -07:00
3522182394
fsk new confidence equation
2011-06-04 16:31:26 -07:00
1e96d42d16
fsk_bit_analyze refactor
2011-06-04 15:55:22 -07:00
0e888d2bf2
fsk cleanup
2011-06-04 14:41:41 -07:00
08654e8466
fsk: AVOID_TRANSIENTS allows for miniscule FSK_MIN_CONFIDENCE
2011-06-04 14:15:54 -07:00
71baa6f916
fsk cleanup
2011-06-04 11:56:26 -07:00
5f538ed54d
run-test
2011-06-04 09:57:42 -07:00
b73f7fb5b8
fsk: cleanup
2011-06-04 09:57:33 -07:00
80c8a62073
fsk: multibit decoder
2011-06-03 23:26:00 -07:00
c790603bf6
use hypotf
2011-06-03 17:30:08 -07:00
d93537d128
minimodem decode_filter_width = decode_rate
...
This doesn't really seem to help anything.
2011-05-30 20:23:32 -07:00
e5fb5f4b75
minimodem: NRZI code (not enabled)
2011-05-30 18:57:19 -07:00
e43deedd44
minimodem cd tweaks: perfect 300, perfect 1200
2011-05-30 18:55:05 -07:00
09083fc035
minimodem 300 baud band_width=50
2011-05-30 18:54:02 -07:00
5a29fbf1a6
simpleaudio fix pulse read return
2011-05-30 15:24:34 -07:00
f750e47e5e
minimodem run 2% fast
2011-05-30 15:23:01 -07:00
d74cb0eea0
minimodem CD tweaks
2011-05-30 10:42:49 -07:00
fe52354af9
minimodem fix bugged shift calcs
2011-05-30 10:21:16 -07:00
0a47a37a06
minimodem: use simpleaudio
2011-05-29 22:22:20 -07:00
fe4b47af20
simpleaudio: pulseaudio and libsndfile backends
2011-05-29 22:20:28 -07:00
bc9c6234c7
minimodem cleanup
2011-05-29 12:57:15 -07:00
1ba9f7aa6f
minimodem catch-up shift just 1 frame
2011-05-29 12:52:23 -07:00
d1ce25db02
minimodem auto-set tones per baud-rate
2011-05-29 12:44:10 -07:00
f9085e84cb
minimodem cosmetics
2011-05-29 12:41:36 -07:00
Kamal Mostafa