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
Kamal Mostafa