[Asterisk-Users] SoftFAX/spandsp - rxfax findings (spandsp-0. 0.1i)

Alex Zarubin ZAlex at Webley.COM
Mon Mar 29 15:29:38 MST 2004


Hi,

One more step ahead, with:
- no problems receiving from the regular fax machines in the office,
- 3 attempts receiving from J2: 2 successes, 1 failure (page cutoff),
- 3 attempts receiving from Dialogic VFX/40ESC: 1 success, 2 failures
	(page cutoffs).

Will share the txfax findings in a separate email.


Page cutoff (page 2) with J2:
...
Page 1 of /usr/tmp/nativefax-from-2132255675-1080597212.tif:
1100 rows received
0 total bad rows
0 max consecutive bad rows
Rx page end detected
Changed from phase 5 to 3
Slow carrier up
Slow carrier down
Slow carrier up
<<< MPS: 4f
MPS with final frame tag
In state 5
Changed from phase 3 to 4
Start rx page
>>> MCF: 8c
HDLC underflow in state 7
Changed from phase 4 to 5
Fast carrier up
Fast carrier down
Fast carrier up
Coarse carrier frequency 1700.04 (66)
Training error 2.922616
Training succeeded (constellation mismatch 3.375216)
Fast carrier trained
Fast carrier down
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 406
(got 1995, expected 1728).
Fax3Decode1D: (FakeInput): Bad code word at scanline 407 (x 499).
Fax3Decode1D: Warning, (FakeInput): Premature EOL at scanline 407 (got 499,
expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 408
(got 1737, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 409
(got 2925, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 410
(got 2601, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 411
(got 1906, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 412
(got 2340, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 413
(got 3216, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Premature EOL at scanline 414 (got 9,
expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 415
(got 2151, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 416
(got 3407, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 417
(got 2561, expected 1728).
Fax3Decode1D: (FakeInput): Bad code word at scanline 418 (x 44).
Fax3Decode1D: Warning, (FakeInput): Premature EOL at scanline 418 (got 44,
expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 419
(got 1732, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 420
(got 2009, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 421
(got 2948, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 422
(got 1858, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 423
(got 2134, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 424
(got 2037, expected 1728).
Fax3Decode1D: (FakeInput): Bad code word at scanline 425 (x 15).
Fax3Decode1D: Warning, (FakeInput): Premature EOL at scanline 425 (got 15,
expected 1728).
Fax3Decode1D: Warning, (FakeInput): Line length mismatch at scanline 426
(got 1741, expected 1728).
Fax3Decode1D: Warning, (FakeInput): Premature EOL at scanline 427 (got 0,
expected 1728).
Page 2 of /usr/tmp/nativefax-from-2132255675-1080597212.tif:
428 rows received
0 total bad rows
0 max consecutive bad rows
Changed from phase 5 to 3
...

Page cutoff (page 1) with VFX/40ESC:
...
Start rx page
>>> CFR: 84
HDLC underflow in state 5
Post trainability
Changed from phase 4 to 5
Fast carrier up
Coarse carrier frequency 1699.85 (54)
Training error 20.430240
Training succeeded (constellation mismatch 13.817970)
Fast carrier trained
Fast carrier down
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 12 (got
1747, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 13 (got
2162, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 15 (x 14).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 15 (got 14,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 16 (got
2398, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 18 (got
2496, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 19 (got
1736, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 20 (got
1801, expected 1728).
Fax3Decode2D: (FakeInput): Uncompressed data (not supported) at scanline 22
(x 213).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 22 (got 213,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 24 (got
1732, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 25 (got
1905, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 27 (got
1742, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 28 (got
2943, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 29 (x 991).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 29 (got 991,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 30 (got
3597, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 31 (got
2824, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 32 (got
1846, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 33 (x 920).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 33 (got 920,
expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 34 (x 39).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 34 (got 39,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 35 (got
1738, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 39 (got
1924, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 40 (got
1732, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 41 (got
2439, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 42 (got
3770, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 44 (got
1891, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 45 (got
1729, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 46 (got
2229, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 47 (x 918).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 47 (got 918,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 48 (got
1729, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 49 (got
3676, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 50 (got
1778, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 51 (got 488,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 52 (got
1765, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 53 (got
1761, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 54 (got
1748, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 55 (got
1822, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 56 (x 8).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 56 (got 8,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 58 (got
2890, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 59 (got
1784, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 60 (got
1812, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 61 (got
1790, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 62 (got
2112, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 63 (got
1729, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 64 (x 314).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 64 (got 314,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 65 (got
3038, expected 1728).
Fax3Decode2D: (FakeInput): Bad code word at scanline 66 (x 104).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 66 (got 104,
expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 67 (got
3085, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 68 (got
1729, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 69 (got
1781, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 70 (got
1891, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 71 (got
3248, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 72 (got
1742, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Line length mismatch at scanline 73 (got
3738, expected 1728).
Fax3Decode2D: Warning, (FakeInput): Premature EOL at scanline 74 (got 0,
expected 1728).
Page 1 of /usr/tmp/nativefax-from-8772308094-1080597956.tif:
75 rows received
0 total bad rows
0 max consecutive bad rows
Changed from phase 5 to 3
Slow carrier up
<<< EOM: 8f
EOM with final frame tag
In state 5
Changed from phase 3 to 4
>>> MCF: 8c
HDLC underflow in state 9
Changed from phase 4 to 3
T4 timeout in state 9
Changed from phase 3 to 4
Sending ident
>>> CSI: 40 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
DIS:
Preferred octets: 256
Can receive fax
...

Thank you.

Alex Zarubin
Webley Systems

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