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bytedeco/sbt-javacv

Start using OpenCV in your JVM project in just 1 line, no separate compiling, installing OpenCV, or fussing with your system required

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Sebastian Wiesendahl

@swiesend

ok, I try to set the javaCppVersion := "1.2" in my build.sbt

Lloyd

@lloydmeta

with SBt-JavaCPP, I have yet to bump the JavaCPP version

so by default it's still at 1.1, sorry about that.

Sebastian Wiesendahl

@swiesend

haha

nice it works

no more

val platformName = "windows-x86_64"

libraryDependencies ++= Seq(
"org.bytedeco" % "javacv" % "1.2",
"org.bytedeco" % "javacpp" % "1.2.2",
"org.bytedeco.javacpp-presets" % "artoolkitplus" % "2.3.1-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "ffmpeg" % "3.0.2-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "flandmark" % "1.07-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "flycapture" % "2.9.3.43-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "libdc1394" % "2.2.4-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "libfreenect" % "0.5.3-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "opencv" % "3.1.0-1.2" classifier "" classifier platformName,
"org.bytedeco.javacpp-presets" % "videoinput" % "0.200-1.2" classifier "" classifier platformName
)

foo

Lloyd

@lloydmeta

ah ok cool.

Sebastian Wiesendahl

@swiesend

this plugin is amazing

Lloyd

@lloydmeta

thanks :) I'm glad we solved that quickly.

Sebastian Wiesendahl

@swiesend

we are right now on a students project using OpenCV for face recognition

and adding and building opencv manually is juat a pain in the ass

Lloyd

@lloydmeta

oh yeah definitely. I did it once and said, never again.

Sebastian Wiesendahl

@swiesend

under linux still managable, but under windows no way

another question

do you mind, when I try to put the javaCppVersion := "1.2" as default into sbt-javacv

or is there a way to infer the javacpp version automatically for a given preset lib

Lloyd

@lloydmeta

it would be nice to be able to infer the JavaCPP version, but I'm not sure if it's possible at the moment. may need to give that a think.

in the meantime, the default version should definitely be updated :sweat_smile:

so yeah, having javaCppVersion := "1.2" as default into sbt-javacv is not a problem.

Sebastian Wiesendahl

@swiesend

ok, if you need any help with that i would like to attend you in that plugin project

but I think you can do by yourself quicker...

because until now I never wrote a sbt-plugin

Lloyd

@lloydmeta

any help is appreciated :) but yeah, this one I'll handle since it's just faster that way :) I'll get it done by tonight and ping you here once it's released

Sebastian Wiesendahl

@swiesend

nice!

as 1.7.1 or 1.8?

i'll see

thank you very much!

Lloyd

@lloydmeta

I've just pushed SBT-JavaCV version 1.8 up to Sonatype as a new release. It should be up on Maven Central in around an hour or so :)

Sebastian Wiesendahl

@swiesend

Thank you!

what I also noticed is

when I putjavaCppVersion := "1.2.2"

the plugin tries to fetch the lib by ending with 1.2.2 and not 1.2

Lloyd

@lloydmeta

ah that's not good. when I made this plugin, there were no releases with patch numbers (number after the second dot).

I'll address that now.

Lloyd

@lloydmeta

Done, SBT-JavaCV 1.9 is now up and supports patch numbers in versions as well.

Sebastian Wiesendahl

@swiesend

sry, that I did not tell you earlier

I really appreciate your kind support!

Lloyd

@lloydmeta

actually hold on, I screwed up the release, will release another version shortly.

Lloyd

@lloydmeta

ok we're good now. Please use 1.9.1 of SBT-JavaCV. sorry for the confusion.

if you run into any issues please feel free to ask or file an issue. I'm signing off for the night :wave:

Sebastian Wiesendahl

@swiesend

ok, rest well!

Sydney Rockwell

@parapsyche

Hi Guys, i am new opencv and have a bit of experience in scala. i have trouble setting this up . i included this parameter addSbtPlugin("org.bytedeco" % "sbt-javacv" % "1.5") in project/plugins.sbt but it throws the following error, sbt.ResolveException: unresolved dependency: org.bytedeco#sbt-javacv;1.5: not found
Any help is greatly appreciated!

i also tried 1.9.1

i did sbt run in the directory

Lloyd

@lloydmeta

that's odd

I think the version you're using is off; the latest version of sbt-javacv is 1.14

try addSbtPlugin("org.bytedeco" % "sbt-javacv" % "1.14")

Sydney Rockwell

@parapsyche

thanks for the reply. i got it fixed. basically my error was, i had another file which was conflicting with sbt run