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[bug#45707] gnu: Add obs-v4l2sink.

Message ID 87zh14vwq7.fsf@delta.lan
State Accepted
Headers show
Series [bug#45707] gnu: Add obs-v4l2sink. | expand

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Commit Message

Alexey Abramov Jan. 20, 2021, 8:28 a.m. UTC 
Ludovic Courtès <ludo@gnu.org> writes:

> Hi,
>
> Alexey Abramov <levenson@mmer.org> skribis:
>
>> Thanks Ludo. With this patch, obs will check OBS_PLUGINS_PATH environment variable for a *default* location of modules. 
>
> OK.
>
>> Plugins might also have some data. I am not sure if it is safe to
>> use relative path thought. Would it be better to use
>> OBS_PLUGINS_DATA_PATH var?
>
> I don’t know, how does this patch change the situation wrt. finding a
> plugin’s data?

They have locals in their data directory at least. And probably something else, yes.

>
>> From 9ade5607aab510cc88561efb7c0b08567b5e19fe Mon Sep 17 00:00:00 2001
>> From: Alexey Abramov <levenson@mmer.org>
>> Date: Fri, 15 Jan 2021 17:26:37 +0100
>> Subject: [PATCH] gnu: obs: Use an environment variable for plugins location.
>>
>> * gnu/local.mk (dist_patch_DATA): Add it.
>> * gnu/packages/video.scm (obs): Use it.
>> * gnu/packages/patches/obs-override-default-modules-location.patch: Patch it.
>
> Some minor issues:
>
>> +++ b/gnu/packages/patches/obs-override-default-modules-location.patch
>
> ‘guix lint’ might complain about the file name length.  :-)
> Perhaps remove ‘override-default-’ from the file name.
>

Done. Passed.

>> @@ -0,0 +1,32 @@
>> +From 96e3c05043eb6b682b105e9080b45efeee33dcd0 Mon Sep 17 00:00:00 2001
>> +From: Alexey Abramov <levenson@mmer.org>
>> +Date: Fri, 15 Jan 2021 17:07:17 +0100
>> +Subject: [PATCH] Use an environment variable for a default modules location
>> +
>> +---
>> + libobs/obs-nix.c | 10 ++++++++--
>
> If it comes from another distro, please indicate it clearly at the top
> of the file.
>
>> ++	char *obs_plugins_path = getenv("OBS_PLUGINS_PATH");
>> ++	if (obs_plugins_path) {
>> ++		struct dstr obs_plugins_data_path;
>> ++		dstr_init_copy(&obs_plugins_data_path, obs_plugins_path);
>> ++		dstr_cat(&obs_plugins_data_path, "/../../share/obs/obs-plugins/%module%");
>
> Shouldn’t it be lib/obs-plugins, as your ‘search-path-specification’
> indicates?

That is a data directory. With the new patch it will be taken from
OBS_PLUGINS_DATA_DIRECTORY. %module% part is required for data.

>
>> +    (native-search-paths
>> +     (list (search-path-specification
>> +            (variable "OBS_PLUGINS_PATH")
>> +            (separator #f)                         ;single entry
>> +            (files '("lib/obs-plugins")))))
>
> How about renaming the variable to ‘OBS_PLUGINS_DIRECTORY’ given that
> it designates a single directory rather than a search path?

Done.

>
> Could you send an updated patch?

Attached. I also tested the obs patch with this [1] and this [2] and
haven't seen any erros. obs loads plugins successfully.

--8<---------------cut here---------------start------------->8---
info: ---------------------------------
info:   Loaded Modules:
info:     v4l2sink.so     <------ this
info:     text-freetype2.so  
info:     spectralizer.so    <------ this
info:     rtmp-services.so
info:     obs-x264.so
info:     obs-transitions.so
info:     obs-outputs.so
info:     obs-filters.so
info:     obs-ffmpeg.so
info:     linux-v4l2.so
info:     linux-pulseaudio.so
info:     linux-jack.so
info:     linux-decklink.so
info:     linux-capture.so
info:     linux-alsa.so
info:     libwlrobs.so     <------ this
info:     image-source.so
info:     frontend-tools.so
info:     decklink-ouput-ui.so
info:     decklink-captions.so
info: ---------------------------------


~ master* ⇡
λ find /gnu/store/3s84wmh9pqcryfzx0rrri8sqff7fqlqn-obs-wlrobs-1.0/
/gnu/store/3s84wmh9pqcryfzx0rrri8sqff7fqlqn-obs-wlrobs-1.0/
/gnu/store/3s84wmh9pqcryfzx0rrri8sqff7fqlqn-obs-wlrobs-1.0/lib
/gnu/store/3s84wmh9pqcryfzx0rrri8sqff7fqlqn-obs-wlrobs-1.0/lib/obs-plugins
/gnu/store/3s84wmh9pqcryfzx0rrri8sqff7fqlqn-obs-wlrobs-1.0/lib/obs-plugins/libwlrobs.so

~ master* ⇡
λ find /gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/                               
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/doc
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/doc/obs-spectralizer-1.3.3
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/doc/obs-spectralizer-1.3.3/COPYING.txt
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs/obs-plugins
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs/obs-plugins/spectralizer
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs/obs-plugins/spectralizer/locale
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs/obs-plugins/spectralizer/locale/ko-KR.ini
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs/obs-plugins/spectralizer/locale/ru-RU.ini
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/share/obs/obs-plugins/spectralizer/locale/en-US.ini
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/lib
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/lib/obs-plugins
/gnu/store/rmz58nv5qcwr1pm38nx7aicyfq4jbp4a-obs-spectralizer-1.3.3/lib/obs-plugins/spectralizer.so
--8<---------------cut here---------------end--------------->8---


Footnotes:
[1]  https://issues.guix.gnu.org/45960
[2]  https://issues.guix.gnu.org/45961

Comments

Ludovic Courtès Feb. 2, 2021, 9:31 a.m. UTC | #1 
Hi Alexey,

Alexey Abramov <levenson@mmer.org> skribis:

>>From f67bf04b57f45f0ca11cb6b902d22f7c4d44e005 Mon Sep 17 00:00:00 2001
> From: Alexey Abramov <levenson@mmer.org>
> Date: Fri, 15 Jan 2021 17:26:37 +0100
> Subject: [PATCH] gnu: obs: Use an environment variable for plugins location.
>
> * gnu/local.mk (dist_patch_DATA): Add it.
> * gnu/packages/video.scm (obs): Use it.
> * gnu/packages/patches/obs-modules-location.patch: Patch it.

Applied.  Thanks, and apologies for the delay!

Ludo’.
diff mbox series

Patch

From f67bf04b57f45f0ca11cb6b902d22f7c4d44e005 Mon Sep 17 00:00:00 2001
From: Alexey Abramov <levenson@mmer.org>
Date: Fri, 15 Jan 2021 17:26:37 +0100
Subject: [PATCH] gnu: obs: Use an environment variable for plugins location.

* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/video.scm (obs): Use it.
* gnu/packages/patches/obs-modules-location.patch: Patch it.
---
 gnu/local.mk                                  |  1 +
 .../patches/obs-modules-location.patch        | 33 +++++++++++++++++++
 gnu/packages/video.scm                        | 14 +++++++-
 3 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/obs-modules-location.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 6f66021c78..aaf19302be 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1405,6 +1405,7 @@  dist_patch_DATA =						\
   %D%/packages/patches/nvi-dbpagesize-binpower.patch		\
   %D%/packages/patches/nvi-db4.patch				\
   %D%/packages/patches/nyacc-binary-literals.patch		\
+  %D%/packages/patches/obs-modules-location.patch		\
   %D%/packages/patches/ocaml-bitstring-fix-configure.patch \
   %D%/packages/patches/ocaml-cairo2-caml_ba_array-fix.patch     \
   %D%/packages/patches/ocaml-CVE-2015-8869.patch		\
diff --git a/gnu/packages/patches/obs-modules-location.patch b/gnu/packages/patches/obs-modules-location.patch
new file mode 100644
index 0000000000..18b286d006
--- /dev/null
+++ b/gnu/packages/patches/obs-modules-location.patch
@@ -0,0 +1,33 @@ 
+From d250434e6c8eb4f8c8cb47ef3cc6e6de8fa8f828 Mon Sep 17 00:00:00 2001
+From: Alexey Abramov <levenson@mmer.org>
+Date: Fri, 15 Jan 2021 17:07:17 +0100
+Subject: [PATCH] Use environment variable for a default module location
+
+diff --git a/libobs/obs-nix.c b/libobs/obs-nix.c
+index 382fa0546..481ea0f14 100644
+*** a/libobs/obs-nix.c
+--- b/libobs/obs-nix.c
+@@ -66,8 +66,19 @@
+ 
+ void add_default_module_paths(void)
+ {
+-	for (int i = 0; i < module_patterns_size; i++)
+-		obs_add_module_path(module_bin[i], module_data[i]);
++	char *bin_directory = getenv("OBS_PLUGINS_DIRECTORY");
++	char *data_directory = getenv("OBS_PLUGINS_DATA_DIRECTORY");
++	if (bin_directory && data_directory) {
++		struct dstr dstr_data_directory;
++		dstr_init_copy(&dstr_data_directory, data_directory);
++		dstr_cat(&dstr_data_directory, "/%module%");
++		obs_add_module_path(bin_directory, dstr_data_directory.array);
++		dstr_free(&dstr_data_directory);
++
++	} else {
++		for (int i = 0; i < module_patterns_size; i++)
++			obs_add_module_path(module_bin[i], module_data[i]);
++	}
+ }
+ 
+ /*
+-- 
+2.29.2
\ No newline at end of file
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index 97cb7d6837..49823e9a88 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -47,6 +47,7 @@ 
 ;;; Copyright © 2020 Alexandru-Sergiu Marton <brown121407@posteo.ro>
 ;;; Copyright © 2020 Ivan Kozlov <kanichos@yandex.ru>
 ;;; Copyright © 2020 Antoine Côté <antoine.cote@posteo.net>
+;;; Copyright © 2021 Alexey Abramov <levenson@mmer.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -3088,7 +3089,9 @@  be used for realtime video capture via Linux-specific APIs.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "1k1asqiqw757v59ayx0w029ril947hs0lcp8n91knzjl891fr4nc"))))
+                "1k1asqiqw757v59ayx0w029ril947hs0lcp8n91knzjl891fr4nc"))
+              (patches
+               (search-patches "obs-modules-location.patch"))))
     (build-system cmake-build-system)
     (arguments
      `(#:configure-flags
@@ -3103,6 +3106,15 @@  be used for realtime video capture via Linux-specific APIs.")
                (wrap-program (string-append out "/bin/obs")
                  `("QT_PLUGIN_PATH" ":" prefix (,plugin-path))))
              #t)))))
+    (native-search-paths
+     (list (search-path-specification
+            (variable "OBS_PLUGINS_DIRECTORY")
+            (separator #f)                         ;single entry
+            (files '("lib/obs-plugins")))
+           (search-path-specification
+            (variable "OBS_PLUGINS_DATA_DIRECTORY")
+            (separator #f)                         ;single entry
+            (files '("share/obs/obs-plugins")))))
     (native-inputs
      `(("cmocka" ,cmocka)
        ("pkg-config" ,pkg-config)))
-- 
2.29.2