Register Guidelines E-Books Search Today's Posts Mark Forums Read

Go Back   MobileRead Forums > E-Book Software > Calibre > Plugins

Notices

Reply
 
Thread Tools Search this Thread
Old 01-27-2021, 03:30 AM   #991
njpig
Enthusiast
njpig began at the beginning.
 
Posts: 42
Karma: 10
Join Date: Sep 2020
Device: kindle paperwhite3
continuous scrolling did not work sometimes

Hi jhowell,

I generated kfx format with the command:
calibre-debug -r "KFX Output" -- input.epub output.kfx

However, continuous scrolling did not work with some epub books on Android.

I attached the log files for your reference. Could you please have a look at them?
Attached Files
File Type: txt continuous scrolling is OK.txt (1.9 KB, 31 views)
File Type: txt continuous scrolling is NOT OK.txt (24.0 KB, 28 views)

Last edited by njpig; 01-27-2021 at 03:34 AM.
njpig is offline   Reply With Quote
Old 01-27-2021, 02:29 PM   #992
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Quote:
Originally Posted by njpig View Post
However, continuous scrolling did not work with some epub books on Android.

I attached the log files for your reference. Could you please have a look at them?
I looked at those logs and did some testing on my own.

I was able to determine that continuous scrolling is not available in either the Android or iOS Kindle apps for books that contain large tables. This will be indicated in the conversion log by "yj_table-8" appearing within "Features".

You should be able to work around this by editing the source file for the book prior to conversion to split up tables so that they have no more than 65 rows and 8 columns. (I believe those are the limits, but I am not certain.)
jhowell is offline   Reply With Quote
Advert
Old 01-27-2021, 10:37 PM   #993
njpig
Enthusiast
njpig began at the beginning.
 
Posts: 42
Karma: 10
Join Date: Sep 2020
Device: kindle paperwhite3
Quote:
Originally Posted by jhowell View Post
I looked at those logs and did some testing on my own.

I was able to determine that continuous scrolling is not available in either the Android or iOS Kindle apps for books that contain large tables. This will be indicated in the conversion log by "yj_table-8" appearing within "Features".

You should be able to work around this by editing the source file for the book prior to conversion to split up tables so that they have no more than 65 rows and 8 columns. (I believe those are the limits, but I am not certain.)
Thanks a lot!

Following your helpful sharing, I found out that colspan="1000" in <td class="calibre13" colspan="1000"> caused more than 8 columns.

After columns is set to "0", the issue disappears.
njpig is offline   Reply With Quote
Old 02-03-2021, 09:12 AM   #994
kindleSeltzer
Junior Member
kindleSeltzer began at the beginning.
 
Posts: 2
Karma: 10
Join Date: Feb 2021
Device: Paperwhite 2018
Weird KFX Bugs

Morning jhowell,

Having two strange bugs

1) Some books have successful logs but the page numbers are read as really large numbers on my kindle, for example the book logged has 2019299 pages.


2) All the page numbers are slightly off. If I set the page numbers to 330 using a column my kindle is as likely to read it as 321, 339, or 368 (generally off by 10-40 pages).

Have converted many books in the past to no issue. Perhaps it was updating Kindle Previewer that caused it?

Any ideas why this is happening?

Thanks!
Attached Files
File Type: txt KFXOutput.txt (21.8 KB, 25 views)
kindleSeltzer is offline   Reply With Quote
Old 02-03-2021, 09:54 AM   #995
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Quote:
Originally Posted by kindleSeltzer View Post
Morning jhowell,

Having two strange bugs

1) Some books have successful logs but the page numbers are read as really large numbers on my kindle, for example the book logged has 2019299 pages.


2) All the page numbers are slightly off. If I set the page numbers to 330 using a column my kindle is as likely to read it as 321, 339, or 368 (generally off by 10-40 pages).

Have converted many books in the past to no issue. Perhaps it was updating Kindle Previewer that caused it?

Any ideas why this is happening?

Thanks!
That is strange. I have been unable to duplicate those problems in the books I use for testing. Something about the content of those books seems to be triggering this.

It would help see those KFX files so I can see what about them could be causing this problem. If it they are not under copyright then you can attach them to a post here after zipping them. If they are copyrighted then do not post them to MobileRead. In that case if you can put them somewhere else and PM me a link that would be best.
jhowell is offline   Reply With Quote
Advert
Old 02-03-2021, 10:10 AM   #996
kindleSeltzer
Junior Member
kindleSeltzer began at the beginning.
 
Posts: 2
Karma: 10
Join Date: Feb 2021
Device: Paperwhite 2018
Quote:
Originally Posted by jhowell View Post
That is strange. I have been unable to duplicate those problems in the books I use for testing. Something about the content of those books seems to be triggering this.

It would help see those KFX files so I can see what about them could be causing this problem. If it they are not under copyright then you can attach them to a post here after zipping them. If they are copyrighted then do not post them to MobileRead. In that case if you can put them somewhere else and PM me a link that would be best.

Will send you a PM, thanks!
kindleSeltzer is offline   Reply With Quote
Old 02-03-2021, 10:11 AM   #997
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Quote:
Originally Posted by kindleSeltzer View Post
Will send you a PM, thanks!
Thanks! I will take a look and get back to you.
jhowell is offline   Reply With Quote
Old 02-04-2021, 01:25 AM   #998
troubledMan
Member
troubledMan began at the beginning.
 
Posts: 22
Karma: 10
Join Date: Jun 2016
Device: Kindle 3, Kindle Voyage
Hi Howell (&all),

after updating Kindle Previewer to the last version (3.50.0), I'm finding the following messaging in the standard OUT (i.e., the screen):


Removed 1 KDF SQLite file fingerprint(s)
WARNING: Unknown KCB data: metadata/edited_tool_versions=3.50.0
WARNING: Unknown KCB data: metadata/tool_version=3.50.0

kfxgen version: kfxlib-20201118
Features: CanonicalFormat-1, kfxgen.pidMapWithOffset-1, kfxgen.textBlock-1, max_id-787, reflow-section-size-3, reflow-style-2, yj_table-5
WARNING: Unknown kindle_audit_metadata: creator_version=3.50.0


What's the meaning of these warnings? May I have any concern about them?

As always, thank you very much.
troubledMan is offline   Reply With Quote
Old 02-04-2021, 10:52 AM   #999
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Quote:
Originally Posted by troubledMan View Post
WARNING: Unknown KCB data: metadata/edited_tool_versions=3.50.0
WARNING: Unknown KCB data: metadata/tool_version=3.50.0

WARNING: Unknown kindle_audit_metadata: creator_version=3.50.0

What's the meaning of these warnings? May I have any concern about them?
Those warnings indicate that the version of the Kindle Previewer that was used to create the KFX file was not in the list of known versions that is kept within the KFX Output plugin. The warning is given because of the possibility that future updates to the Kindle Previewer might be incompatible with the plugin.

This is caused by using a Kindle Previewer version that is newer than the KFX Output plugin release. The latest plugin version does support KPR 3.50.0 so it means that you are using an outdated version of this plugin. Update it and the warnings should go away.
jhowell is offline   Reply With Quote
Old 02-04-2021, 11:24 AM   #1000
troubledMan
Member
troubledMan began at the beginning.
 
Posts: 22
Karma: 10
Join Date: Jun 2016
Device: Kindle 3, Kindle Voyage
Quote:
Originally Posted by jhowell View Post
...

Update it and the warnings should go away.


troubledMan is offline   Reply With Quote
Old 02-04-2021, 02:02 PM   #1001
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Quote:
Originally Posted by kindleSeltzer View Post
Will send you a PM, thanks!
Thanks for providing those files. From them I was able to determine the cause of the problem in creating page numbers.

It turns out that the algorithm I was using fails badly if a book contains paragraphs that a longer than one page. One of your sample books actually has very long paragraphs. I suppose that is just the writer's style. The other looks like it has normal sized paragraphs, but the HTML is actually coded with line breaks and indentation to make it appear as if there are separate paragraphs when in fact there are actually only a few very large paragraphs.

I will rework the page number algorithm to handle these cases and release a new version of this plugin. I expect it to be ready sometime next week.

Thanks again.
jhowell is offline   Reply With Quote
Old 02-09-2021, 07:59 AM   #1002
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Version 1.49.0 - 09 Feb 2021

Improve the algorithm for generating page numbers to better handle books containing large paragraphs.

Always include the console output of the Kindle Previewer in the conversion log.

Fail with a specific error message if Wine is not accessible to calibre when running under Linux.
jhowell is offline   Reply With Quote
Old 02-13-2021, 06:41 AM   #1003
valexiev
Junior Member
valexiev began at the beginning.
 
Posts: 1
Karma: 10
Join Date: Oct 2010
Device: Clie NX70V, REB 1100, Kindle DX
Unhappy how to view KFX in Calibre?

Is the Calibre viewer capable of showing KFX?
  • I've set Preferences> Behavior> Preferred output format: KFX
  • But the same dialog in "Use Internal Viewer for" does not list KFX
  • When viewing a book with Alt-v, I selected "Open KFX with..." and picked "c:\Program Files\Calibre2\ebook-viewer.exe" manually
  • But when the viewer starts, it returns error "No plugin to handle input format: kfx"

Full viewer error trace:
Spoiler:
calibre, version 5.11.0
ERROR: Loading book failed: Failed to open the book at C:\my\Calibre Library\John Grisham\Udaryt-12656 (15)\Udaryt-12656 - John Grisham.kfx. Click "Show details" for more info.

Failed to convert book: C:\my\Calibre Library\John Grisham\Udaryt-12656 (15)\Udaryt-12656 - John Grisham.kfx with error:
DeDRM v7.0.3: Trying to decrypt Udaryt-12656 - John Grisham.kfx
Unknown booktype kfx. Passing back to calibre unchanged
Failed to run pipe worker with command: from calibre.srv.render_book import viewer_main; viewer_main()
Traceback (most recent call last):
File "runpy.py", line 194, in _run_module_as_main
File "runpy.py", line 87, in _run_code
File "site.py", line 82, in <module>
File "site.py", line 77, in main
File "site.py", line 49, in run_entry_point
File "calibre\utils\ipc\worker.py", line 197, in main
File "<string>", line 1, in <module>
File "calibre\srv\render_book.py", line 867, in viewer_main
File "calibre\srv\render_book.py", line 858, in render_for_viewer
File "calibre\srv\render_book.py", line 835, in render
File "calibre\ebooks\oeb\iterator\book.py", line 54, in extract_book
File "calibre\ebooks\conversion\plumber.py", line 755, in __init__
ValueError: No plugin to handle input format: kfx
valexiev is offline   Reply With Quote
Old 02-13-2021, 02:21 PM   #1004
jhowell
Wizard
jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.jhowell ought to be getting tired of karma fortunes by now.
 
jhowell's Avatar
 
Posts: 4,338
Karma: 44001001
Join Date: Nov 2011
Location: Tampa Bay, Florida
Device: Oasis 2, Fire, iPad Air 2, Nexus 7
Quote:
Originally Posted by valexiev View Post
Is the Calibre viewer capable of showing KFX?
The calibre ebook viewer does not directly support KFX format. You can open KFX files with with the calibre ebook viewer if you first install the KFX Input plugin. Doing that will allow KFX books to be converted to EPUB for viewing.

You can also open KFX file for viewing with the Kindle Previewer. That will better reflect how the KFX format will appear in a Kindle device or app. This post has information on how to make the Kindle Previewer the default viewer for KFX under Windows.
jhowell is offline   Reply With Quote
Old 02-19-2021, 09:40 AM   #1005
raghiid
Connoisseur
raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.raghiid ought to be getting tired of karma fortunes by now.
 
Posts: 57
Karma: 666666
Join Date: Feb 2019
Device: Kindle Paperwhite
Is there any way to install Kindle Previewer on an older mac that doesn't support the latest version?
raghiid is offline   Reply With Quote
Reply

Tags
kfx, linux, wine

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
[Conversion Output] KePub Output Plugin jgoguen Plugins 460 02-16-2021 02:18 PM
Conversion output plugins? jgoguen Development 14 08-10-2013 11:19 AM
Output file name after conversion dbellefuil Calibre 2 06-14-2013 04:40 PM
catalogue builder output columns are not in the same order in the output KWhytte Library Management 5 12-04-2012 02:03 AM
Conversion output folders TechieLady Conversion 6 01-19-2012 02:49 AM


All times are GMT -4. The time now is 01:55 PM.


MobileRead.com is a privately owned, operated and funded community.