Hyunjun Ko

Jeju Island (South Korea)

Happy igalian since April 2016. Husband of a beautiful woman. Daddy of a cute son.

Latest Updates

Hyunjun Ko 22/08/2017

Support GstContext for VA-API elements

Since I started working on gstreamer-vaapi, one of what’s disappointing me is that vaapisink is not so popular even though it should be the best choice on vaapi installed machine. There are some reasonable causes and one of the reasons is probably it...

Hyunjun Ko 06/07/2017

100 commits in GStreamer

It’s been 3 years since I’ve started working on GStreamer, meanwhile I contributed over 100 commits fortunately! Let’s look at my commits in each project in GStreamer. gstreamer: 7 commits gst-plugins-base: 5 commits ...

Hyunjun Ko 23/03/2017

Libva-rust(libva binding to rust) in development stage

Since Rust language appeared in the world, I felt strongly this is the language I should learn. This is because: Rust guarantees to prevent from common bugs in C/C++ such as memory corruption and race condition, which are very painful to fix...

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Commits

vaapiencode/libs: encoder: fix leaks of properties

https://bugzilla.gnome.org/show_bug.cgi?id=786321

Hyunjun Ko15/09/2017

libs: context: fix wrong counter of the array of attributes

The counter value passed to vaCreateConfig is always +1. This is a regression caused by commit e42ec3ad. The present patch fixes wrong counting of the array of attributes. https://bugzilla.gnome.org/show_bug.cgi?id=787613

Hyunjun Ko13/09/2017

libs: encoder: h265: support I/P/B QP setting seperatedly

Creates 2 properties, qp-ip and qp-ib for setting different QP for P/B frames and set slice_qp_delta for each frame according to the value provided. https://bugzilla.gnome.org/show_bug.cgi?id=785923

Hyunjun Ko13/09/2017

libs: encoder: h264: support I/P/B QP setting seperatedly

Creates 2 properties, qp-ip and qp-ib for setting different QP for P/B frames and set slice_qp_delta for each frame according to the value provided. In addition, remove the limitation of (

Hyunjun Ko13/09/2017

libs: encoder: h264/h265: keep min_qp as is unless it's over init_qp

Creates new variable for QP for I frame and keep it at configuration and use this for pic_init_qp and slice_qp_delta setting. Since changing min qp doesn't make sense, keep min qp as is. https://bugzilla.gnome.org/show_bug.cgi?id=785923

Hyunjun Ko13/09/2017