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 05/04/2018

Improvements for GStreamer Intel-MSDK plugins

Last November I had a chance to dive into Intel Media SDK plugins in gst-plugins-bad. It was very good chance for me to learn how gstreamer elements are handling special memory with its own infrastructures like GstBufferPool and GstMemory. In this post...

Hyunjun Ko 05/04/2018

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 05/04/2018

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 gst-plugins-good: 13...

Hyunjun Ko 05/04/2018

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 whenever...

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...

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zzoon starred intel/intel-vaapi-driver

zzoon starred intel/intel-vaapi-driver Jun 29, 2018 intel/intel-vaapi-driver VA-API user...

Hyunjun Ko29/06/2018

libs: encoder: h265: increase log2_max_pic_order_cnt range according to spec

The specification says, "log2_max_pic_order_cnt_lsb_minus4 shall be in the range of 0 to 12, inclusive." This patch changes the upper limit from 6 to 12. https://bugzilla.gnome.org/show_bug.cgi?id=796179

Hyunjun Ko01/06/2018

msdk: dec: rename the function to what it means more exactly.

https://bugzilla.gnome.org/show_bug.cgi?id=793707

Hyunjun Ko03/04/2018

msdk: allocator: libva: check if it's already using dmabuf when mapping

As long as we negotiate the "DMABuf" capsfeatures for now, map can't be working. So we need to confirm not to do it if using DMABuf memory. https://bugzilla.gnome.org/show_bug.cgi?id=793707

Hyunjun Ko03/04/2018

msdkdec: use dmabuf if possible

https://bugzilla.gnome.org/show_bug.cgi?id=793707

Hyunjun Ko30/03/2018