GUADEC 2015

At the beginning of this month I've spent a few great days in Goteborg, at GUADEC conference. That was my second GUADEC (first time I've participated last year, in Strasbourg).

There were a lot of interesting presentations, but the most I enjoyed all of the keynotes. As a Google Summer of Code student (I've worked for GStreamer project [1]), I was able to give a lightning talk about my project. It seemed to be interested to some people, so after that someone asked me to show him my project "in action". We were talking about possible improvements and new features.

In the evenings organizers prepared for attendees some event, so I could integrate with other GNOME people. Moreover, they organized for us (GSOC students and mentors) a dinner, so I could meet other students a little bit better, talk mostly about our summer projects, but also about differences in education at their universities  (people came from different part of world).

In conclusion, I enjoyed GUADEC, all presentations and evening events. I'd like to thank the GNOME Foundation for sponsoring my travel and my hostel. My participation probably wasn't be able without Foundation's help. Thanks a lot!

[1] http://www.cookandcommit.eu/2015/06/gstreamer-debugger-introduction.html

GStreamer Debugger - introduction

Hi everyone,
This year I've been accepted to Google Summer of Code :) Last year I worked on Banshee project [1], and this year I joined to GStreamer [2] team.
This summer I work on tool for GStreamer-based applications - GStreamer Debugger.

Goals
At the end of this summer, I'm going to provide you an application, which allows you to connect to your remote pipeline (obviously, lo interface can be used as well :)), watch pipeline graph (and its changes), spy selected queries, events, log messages, messages from bus and log messages, and even buffers. Application won't allow user modify pipeline and pipeline's state, but who knows - if it is useful feature, I implement it in the future.
GStreamer doesn't provide possibility to connect to pipeline, so I have to do it on my own.

Progress
June is a month, when I've exams on my university (fortunately, I've already passed all of them!), so I didn't spend as much time as I wanted on this project. Anyway, I accomplished a few milestones.
There's a list, what already has been done:

• gst-trace [3] plugin, containing tcp server. For now, it sends GstEvents, GstMessages, and log messages to clients (todo: send GstBuffers, and GstQueries)
• client application, which displays events and log messages (todo: display GstBuffers, GstQueries, GstMessages). I have a lot of ideas, how to improve client application, but I'm not sure whether I meet GSOC deadline, so I suppose, most of them will be implement after Google's program. 
• protocol - I used Google Protobuf library [4]. In general, I've defined most of protocol's structures, I just make minor improvements, when I need it.

Below you can find a few screenshoots of client application. Full code can be found on my github account ([5], [6]).

Links
[1] http://www.cookandcommit.eu/2014/04/google-summer-of-code-2014-with-gnome.html
[2] http://gstreamer.freedesktop.org/
[3] https://bugzilla.gnome.org/show_bug.cgi?id=733187
[4] https://developers.google.com/protocol-buffers/
[5] https://github.com/loganek/gstreamer
[6] https://github.com/loganek/gst-debugger

Beefsteak with greek salad

Ingredients:

• 2x200g beefsteak(of ~2.5 cm thickness)
• pepper 
• 1/2 head of  iceberg lettuce
• 4 tablespoons good-quality Greek extra virgin olive oil
• 3/2 teaspoon dried oregano
• 2 ripe tomatoes
• 1 cucumber
• 1 medium red onion
• 1 jar of black olives, stoned
• a few basil leaves
• 200g block feta cheese
• sea salt 

Method:

• Greek salad
1. Combine oil, oregano and pinch of salt.
2. Rinse lettuce, dry it, cut it into bite and put into a salad bowl.
3. Salt it down.
4. Cut tomatoes into chunks.
5. Peel a cucumber and slice.
6. Peel an onion, and slice.
7. Add tomatoes, cucumber, feta cheese, basil, olives and onion to a salad bowl and season with salt.
8. Combine olive oil and oregano, and pour over the salad.
• Beefsteak
1. Get warm cast-iron frying pan.
2. Oil steaks and season with salt and pepper
3. Cook steak for 2 minutes, then turn it and cook further 2 minutes. At last, turn it again, and cook for 5-6 minutes.
• Serve red wine (I've used medium-dry one).

Results

 Bon appetit!