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[hylafax-users] Problem with multistrip MMR encoded images



When sending certain MMR encoded images the receiving fax machine does
not print the page.  Also, the image sends much too fast for how large
the tiff image is.  doc369_multistrip.tif is 123,866 bytes yet according
to hylafax it sends the page in only 4 seconds.

This problem only happens when HylaFAX does not need to convert the tiff
image before it sends it.  Here's the sendfax command:
	sendfax -n -m -3 -d "xxxxxxx"  doc369_multistrip.tif

Here's tiffinfo for doc369_multistrip.tif:
TIFF Directory at offset 0x1e0a6
  Image Width: 1728 Image Length: 2206
  Resolution: 204, 196 pixels/inch
  Bits/Sample: 1
  Compression Scheme: CCITT Group 4
  Photometric Interpretation: min-is-white
  Thresholding: halftone or dithered scan
  FillOrder: msb-to-lsb
  Date & Time: "2004:05:25 15:11:50"
  Orientation: row 0 top, col 0 lhs
  Samples/Pixel: 1
  Rows/Strip: 37
  Planar Configuration: single image plane
  Page Number: 0-1
  Group 4 Options: (0 = 0x0)

Here is the log file:
Jun 29 16:08:21.39: [ 5677]: SESSION BEGIN 000000027 xxxxxxx
Jun 29 16:08:21.39: [ 5677]: HylaFAX (tm) Version 4.2.0rc1
Jun 29 16:08:21.39: [ 5677]: SEND FAX: JOB 22 DEST xxxxxxx COMMID
000000027 DEVICE '/dev/ttyS4'
Jun 29 16:08:21.39: [ 5677]: <-- [14:AT+FCLASS=1.0\r]
Jun 29 16:08:21.50: [ 5677]: --> [2:OK]
Jun 29 16:08:21.50: [ 5677]: <-- [14:AT+F34=14,1,2\r]
Jun 29 16:08:21.61: [ 5677]: --> [2:OK]
Jun 29 16:08:21.61: [ 5677]: DIAL xxxxxxx
Jun 29 16:08:21.61: [ 5677]: <-- [17:ATDTxxxxxxx\r]
Jun 29 16:08:46.08: [ 5677]: --> [9:+F34:10,1]
Jun 29 16:08:46.08: [ 5677]: V.8 handshaking succeeded, V.34-Fax
(SuperG3) capability enabled.
Jun 29 16:08:46.08: [ 5677]: Primary channel rate: 24000 bit/s, Control
channel rate: 1200 bit/s.
Jun 29 16:08:46.08: [ 5677]: --> [7:CONNECT]
Jun 29 16:08:46.08: [ 5677]: Control channel selected
Jun 29 16:08:46.12: [ 5677]: REMOTE NSF "86 00 DA 00 00 C0 00"
Jun 29 16:08:46.12: [ 5677]: NSF remote fax equipment: unknown 
Jun 29 16:08:46.32: [ 5677]: REMOTE CSI "xxxxxxx"
Jun 29 16:08:46.42: [ 5677]: REMOTE best rate 33600 bit/s
Jun 29 16:08:46.42: [ 5677]: REMOTE max A4 page width (215 mm)
Jun 29 16:08:46.42: [ 5677]: REMOTE max unlimited page length
Jun 29 16:08:46.42: [ 5677]: REMOTE best vres 7.7 line/mm
Jun 29 16:08:46.42: [ 5677]: REMOTE best format 2-D MMR
Jun 29 16:08:46.42: [ 5677]: REMOTE supports T.30 Annex A, 256-byte ECM
Jun 29 16:08:46.42: [ 5677]: REMOTE best 10 ms, 5 ms/scanline
Jun 29 16:08:46.42: [ 5677]: USE 24000 bit/s
Jun 29 16:08:46.42: [ 5677]: USE error correction mode
Jun 29 16:08:46.42: [ 5677]: USE 0 ms/scanline
Jun 29 16:08:46.42: [ 5677]: SEND file "docq/doc22.tif;f1"
Jun 29 16:08:46.42: [ 5677]: USE A4 page width (215 mm)
Jun 29 16:08:46.42: [ 5677]: USE unlimited page length
Jun 29 16:08:46.42: [ 5677]: USE 7.7 line/mm
Jun 29 16:08:46.42: [ 5677]: USE 2-D MMR
Jun 29 16:08:46.42: [ 5677]: <-- data [23]
Jun 29 16:08:46.42: [ 5677]: <-- data [2]
Jun 29 16:08:46.42: [ 5677]: <-- data [7]
Jun 29 16:08:46.42: [ 5677]: <-- data [2]
Jun 29 16:08:47.28: [ 5677]: SEND begin page
Jun 29 16:08:47.28: [ 5677]: SEND EOFB
Jun 29 16:08:47.28: [ 5677]: SEND send frame number 0
Jun 29 16:08:47.28: [ 5677]: SEND send frame number 1
Jun 29 16:08:47.28: [ 5677]: SEND send frame number 2
Jun 29 16:08:47.28: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: Primary channel selected
Jun 29 16:08:48.91: [ 5677]: <-- data [263]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: <-- data [260]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: <-- data [263]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: <-- data [3]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: <-- data [3]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: <-- data [3]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:48.91: [ 5677]: <-- data [2]
Jun 29 16:08:49.69: [ 5677]: Control channel selected
Jun 29 16:08:49.69: [ 5677]: <-- data [7]
Jun 29 16:08:49.69: [ 5677]: <-- data [2]
Jun 29 16:08:49.69: [ 5677]: SEND send PPS (partial page signal)
Jun 29 16:08:49.69: [ 5677]: SEND send EOP (no more pages or documents)
Jun 29 16:08:50.36: [ 5677]: SEND recv MCF (message confirmation)
Jun 29 16:08:50.36: [ 5677]: SEND end page
Jun 29 16:08:50.36: [ 5677]: SEND FAX (000000027): FROM xxx TO xxxxxxx
(page 1 of 1 sent in 0:04)
Jun 29 16:08:50.36: [ 5677]: SEND FAX (000000027): FROM xxx TO xxxxxxx
(docq/doc22.tif;f1 sent in 0:04)
Jun 29 16:08:50.36: [ 5677]: <-- data [3]
Jun 29 16:08:50.36: [ 5677]: <-- data [2]
Jun 29 16:08:50.36: [ 5677]: <-- data [2]
Jun 29 16:08:51.14: [ 5677]: --> [2:]
Jun 29 16:08:51.14: [ 5677]: <-- [5:ATH0\r]
Jun 29 16:08:51.14: [ 5677]: --> [2:OK]
Jun 29 16:08:51.15: [ 5677]: SESSION END

If I use tiffcp and only change Rows/Strip to 2206 then the page prints
out and takes 60 seconds to send.  This problem is always reproducible.


If I turn ECM off on the receiver but use the same sendfax command as
above then similar behavior occurs, looks like it sends ok but nothing
prints out.  Sending the second time with ECM off results in the page
being printed out because HylaFAX converts the document before it sends
it and the Rows/Strip tag is set to the image length.

Kris

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