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hrnick
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Location: Sweden
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 Posted: Fri Sep 17, 2021 6:01 pm Post subject: [SOLVED] Open HEIF files in Gpicview |
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It seems like Gpicview should support opening HEIF files through gdk-pixbuf. I assumed that enabling the gdk-pixbuf USE flag for libheif and emerging gpicview would solve this but I seem unable to open HEIF files still. Have I missed something, could there be something not working as intended or does this not work through portage at the moment?
| Code: | $ emerge gdk-pixbuf libheif gpicview -vp
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild R ] x11-libs/gdk-pixbuf-2.42.6:2::gentoo USE="introspection jpeg tiff -gtk-doc" 0 KiB
[ebuild R ] media-gfx/gpicview-0.2.5-r2::gentoo 0 KiB
[ebuild R ] media-libs/libheif-1.12.0:0/1.12::gentoo USE="aom gdk-pixbuf threads x265 -go -libde265 -rav1e -test" 0 KiB
Total: 3 packages (3 reinstalls), Size of downloads: 0 KiB |
Any help would be appreciated, thanks!
Last edited by hrnick on Sat Sep 18, 2021 4:33 pm; edited 1 time in total |
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figueroa
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| Posted: Sat Sep 18, 2021 12:44 am Post subject: |
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| Code: | $ euse -i heif
global use flags (searching: heif)
************************************************************
no matching entries found
local use flags (searching: heif)
************************************************************
[- ] heif
kde-frameworks/kimageformats: Support for HEIF/HEIC images
[- ] (5/5.85) 5.85.0 [gentoo]
[- ] (5/5.86) 5.86.0 [gentoo]
[- ] heif
media-gfx/digikam: Enable support for ISO/IEC 23008-12:2017 HEIF
files using media-libs/x265
[- ] (5) 7.2.0-r1 [gentoo]
[- ] (5) 7.3.0 [gentoo]
[- ] heif
media-gfx/gimp: Enable support for ISO/IEC 23008-12:2017 HEIF files
[- ] (0/2) 2.10.22-r2 [gentoo]
[- ] (0/2) 2.10.24 [gentoo]
[- ] (0/2) 2.10.26 [gentoo]
[- ] (0/3) 2.99.6 [gentoo]
[- ] (0/3) 9999 [gentoo]
[- ] heif
media-gfx/imagemagick: Enable support for ISO/IEC 23008-12:2017
HEIF/HEIC image format using media-libs/libheif
[- ] (0/6.9.11-60) 6.9.12.20 [gentoo]
[- ] (0/6.9.11-60) 6.9.12.21 [gentoo]
[- ] (0/7.1.0-0) 7.1.0.5 [gentoo]
[- ] (0/7.1.0-0) 7.1.0.6 [gentoo]
[- ] (0/7.1.0-0) 9999 [gentoo]
[- ] heif
media-gfx/imv: Add HEIF/HEIC image support
[- ] 4.3.0 [gentoo]
[- ] 9999 [gentoo]
[- ] heif
media-gfx/krita: Enable support for ISO/IEC 23008-12:2017 HEIF/HEIC
image format using media-libs/libheif
[- ] (5) 4.4.5-r1 [gentoo]
[- ] (5) 4.4.8 [gentoo]
[- ] heif
media-libs/gd: Enable support for the heif format via
media-libs/libheif
(2/3) 2.3.0 [gentoo]
(2/3) 2.3.1 [gentoo]
[- ] (2/3) 2.3.2 [gentoo]
[- ] (2/3) 2.3.3 [gentoo]
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Andy Figueroa
hp pavilion hpe h8-1260t/2AB5; spinning rust x3
i7-2600 @ 3.40GHz; 16 gb; Radeon HD 7570
amd64/23.0/split-usr/desktop (stable), OpenRC, -systemd -pulseaudio -uefi |
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hrnick
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| Posted: Sat Sep 18, 2021 8:31 am Post subject: |
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Thank you for your reply figueroa!
I seem unable to open HEIF files with both Imagemagick (display) and Gimp so it might be a more general problem. The configure part of emerging Gimp shows the following so I guess it might only be an export function then:
| Code: | | HEIC: import: no - export: yes [profile support: yes] |
Any ideas? |
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hrnick
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| Posted: Sat Sep 18, 2021 8:41 am Post subject: |
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| Sorry, I forgot to check digikam where it works so it seems like it's not a general problem then. |
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figueroa
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| Posted: Sat Sep 18, 2021 1:29 pm Post subject: |
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Look at the gimp ebuild? See what others say about gimp on-line.
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hp pavilion hpe h8-1260t/2AB5; spinning rust x3
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amd64/23.0/split-usr/desktop (stable), OpenRC, -systemd -pulseaudio -uefi |
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hrnick
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| Posted: Sat Sep 18, 2021 1:43 pm Post subject: |
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What others say about Gpicview, which is what I'm trying to get to work, is that HEIF should be supported.
https://hritikchaudhary.medium.com/heif-heic-support-for-linux-ubuntu-quick-guide-9a70f4d29352
I assumed that enabling the gdk-pixbuf USE flag for libheif would be the equivalent of installing heif-gdk-pixbuf in Ubuntu. What seems to be the correct library seems to be installed as well (/usr/lib64/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-heif.so) when emerging libheif. |
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hrnick
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| Posted: Sat Sep 18, 2021 1:44 pm Post subject: |
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| Code: | $ gpicview IMG_0393.HEIC
** (gpicview:31415): WARNING **: 15:43:20.495: Unsupported feature: Unsupported codec
** (gpicview:31415): WARNING **: 15:43:20.496: Unsupported feature: Unsupported codec
Segmentation fault |
I don't know what has changed but now Gpicview Segfaults when trying to load a HEIF flie. Could an strace or something be of any help? |
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mike155
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| Posted: Sat Sep 18, 2021 2:37 pm Post subject: |
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@hrnick, there's a simple solution! 
libheif starts to work if you emerge it with all USE flags, e.g.:
| Code: | | USE="aom gdk-pixbuf go libde265 rav1e test threads x265" emerge libheif |
After that, gpicview will be able to display images in HEIF format. |
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hrnick
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| Posted: Sat Sep 18, 2021 4:14 pm Post subject: |
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| mike155 wrote: | @hrnick, there's a simple solution!
libheif starts to work if you emerge it with all USE flags, e.g.:
| Code: | | USE="aom gdk-pixbuf go libde265 rav1e test threads x265" emerge libheif |
After that, gpicview will be able to display images in HEIF format. |
Thanks for your reply mike155! Unfortunately I already have the gdk-pixbuf USE flag enabled as seen in my first post. Or would any of the other ones be relevant as well (go libde265 rav1e test)? |
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mike155
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| Posted: Sat Sep 18, 2021 4:18 pm Post subject: |
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libheif starts to work if you emerge it with *** all *** USE flags, e.g.:
| Code: | | USE="aom gdk-pixbuf go libde265 rav1e test threads x265" emerge libheif |
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hrnick
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| Posted: Sat Sep 18, 2021 4:33 pm Post subject: |
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| mike155 wrote: | libheif starts to work if you emerge it with *** all *** USE flags, e.g.:
| Code: | | USE="aom gdk-pixbuf go libde265 rav1e test threads x265" emerge libheif |
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Thanks, that makes more sense, I tried it and indeed it worked! I played around with the USE flags a little and in the end it seems as if libde265 was the only one missing.
This seems very unintuitive to me, wouldn't it make more sense to have the heif USE flag for gpicview and a dependency to USE="gdk-pixbuf libde265" libheif?
Thanks again, that solves my problem. If you agree with me I might create a bug report for it later as well. |
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mike155
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| Posted: Sat Sep 18, 2021 4:41 pm Post subject: |
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| Yes, please file a bug. |
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Hu
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| Posted: Sat Sep 18, 2021 4:42 pm Post subject: |
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| hrnick wrote: | | I don't know what has changed but now Gpicview Segfaults when trying to load a HEIF flie. Could an strace or something be of any help? |
For a segmentation fault, a backtrace with symbols is often more helpful than strace. |
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hrnick
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| Posted: Sat Sep 18, 2021 4:46 pm Post subject: |
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| mike155 wrote: | | Yes, please file a bug. |
It's Saturday evening where I am and I have better things to do right now but I will do it tomorrow. Thanks again for the help, I appreciate it! |
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hrnick
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| Posted: Sat Sep 18, 2021 4:48 pm Post subject: |
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| Hu wrote: | | For a segmentation fault, a backtrace with symbols is often more helpful than strace. |
Thanks for shedding some light on this Hu! |
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figueroa
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| Posted: Sat Sep 18, 2021 5:04 pm Post subject: |
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The USE flags being obtuse is not a bug. It's a shame, but not a bug. The maintainer should provide such info in an elog for the user to read, assuming the maintainer knows about them. My opinion is that few users want to see those kinds of image files, so the extra use flags and resulting dependencies should not be default.
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Andy Figueroa
hp pavilion hpe h8-1260t/2AB5; spinning rust x3
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mike155
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| Posted: Sat Sep 18, 2021 5:07 pm Post subject: |
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| hrnick wrote: | | mike155 wrote: | | Yes, please file a bug. |
It's Saturday evening where I am and I have better things to do right now but I will do it tomorrow. Thanks again for the help, I appreciate it! |
It's Saturday evening - and there's no better time to open a bug! 
See: https://bugs.gentoo.org/813669 |
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mike155
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| Posted: Sat Sep 18, 2021 5:14 pm Post subject: |
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| figueroa wrote: | | The USE flags being obtuse is not a bug. It's a shame, but not a bug. The maintainer should provide such info in an elog for the user to read, assuming the maintainer knows about them. My opinion is that few users want to see those kinds of image files, so the extra use flags and resulting dependencies should not be default. |
There must be same kind of misunderstanding. If I emerge "libheif", I do this because I want to be able to open HEIF images.
If I can't open HEIF images after I emerged libheif, it surely is a bug, isn't it?
And I think it is surprising that USE flag "libde265" has to be added to make it work? |
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mike155
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| Posted: Sat Sep 18, 2021 5:32 pm Post subject: |
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| hrnick wrote: | | Code: | $ gpicview IMG_0393.HEIC
** (gpicview:31415): WARNING **: 15:43:20.495: Unsupported feature: Unsupported codec
** (gpicview:31415): WARNING **: 15:43:20.496: Unsupported feature: Unsupported codec
Segmentation fault |
I don't know what has changed but now Gpicview Segfaults when trying to load a HEIF flie. Could an strace or something be of any help? |
The same happened on my machine. During my first tests, a window with an error message popped up with an error message about a missing codec.
After a few tests, the behavior changed. Now I get the same segfault you posted.
| Hu wrote: | | For a segmentation fault, a backtrace with symbols is often more helpful than strace. |
The segfault happens in gpciview:
| Code: | hread 1 "gpicview" received signal SIGSEGV, Segmentation fault.
0x0000555555560aeb in main_win_show_error (message=<error reading variable: Cannot access memory at address 0x8>, mw=0x555555876330) at main-win.c:525
523 void main_win_show_error( MainWin* mw, const char* message )
524 {
525 GtkWidget* dlg = gtk_message_dialog_new( (GtkWindow*)mw,
526 GTK_DIALOG_MODAL,
527 GTK_MESSAGE_ERROR,
528 GTK_BUTTONS_OK,
529 "%s", message );
530 gtk_dialog_run( (GtkDialog*)dlg );
531 gtk_widget_destroy( dlg );
532 }
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It's probably a follow-up error to the error in libheif. |
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figueroa
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| Posted: Sat Sep 18, 2021 6:15 pm Post subject: |
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| mike155 wrote: | ...
If I can't open HEIF images after I emerged libheif, it surely is a bug, isn't it?
And I think it is surprising that USE flag "libde265" has to be added to make it work? |
libheif can't know why you want it how you intend to use it. It's a choice. Maybe I misunderstand or express this badly. I'm not a user of it so I'm not in a position to test it various ways.
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Andy Figueroa
hp pavilion hpe h8-1260t/2AB5; spinning rust x3
i7-2600 @ 3.40GHz; 16 gb; Radeon HD 7570
amd64/23.0/split-usr/desktop (stable), OpenRC, -systemd -pulseaudio -uefi |
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