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+all:
+	make slide slideshow
+
+slide:
+	pandoc -t beamer pes-march-2024.md -f markdown-implicit_figures -V colorlinks=true -V linkcolor=blue -V urlcolor=red -o pes-march-2024.pdf
+
+slideshow:
+	pandoc -t beamer pes-march-2024.md -f markdown-implicit_figures -V colorlinks=true -V linkcolor=blue -V urlcolor=red -i -o pes-march-2024-slideshow.pdf
+
+view:
+	zathura --mode=presentation pes-march-2024.pdf &
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+---
+title:
+- A Day in the Life of a Media Plumber
+author:
+- Sanchayan Maity
+theme:
+- default
+classoption:
+- aspectratio=169
+---
+
+# Who
+
+- Who am I?
+  * Embedded Systems background
+  * Prefer C, Haskell and Rust
+  * Organize and speak at Rust and Haskell meet-ups in Bangalore
+- Work?
+  * Software Engineer @ [asymptotic](https://asymptotic.io/)
+  * Open source consulting firm based out of Bangalore and Toronto
+  * Work on low level systems software centred around multimedia
+  * GStreamer, PipeWire, PulseAudio
+  * Language Polyglots
+
+
+# Open source contributions
+
+- [GStreamer](https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests?scope=all&state=all&author_username=SanchayanMaity)
+- [gst-plugins-rs](https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests?scope=all&state=all&author_username=SanchayanMaity)
+- [PipeWire](https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests?scope=all&state=all&author_username=SanchayanMaity)
+- [PulseAudio](https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests?scope=all&state=all&author_username=SanchayanMaity)
+- [Linux](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/?qt=author&q=Sanchayan+Maity)
+- [u-boot](https://source.denx.de/u-boot/u-boot/-/commits/master?search=Sanchayan%20Maity)
+
+# GStreamer
+
+- Multiplatform Pipeline based multimedia framework
+- Bindings for various languages
+- Allows building complex media processing workflows
+- Some applications
+  * PiTiVi (Video Editor)
+  * amaroK, Banshee, Clementine (audio players)
+  * Empathy (VOIP and video conferencing)
+  * GstLAL (gravitational wave data analysis)
+  * Rygel (DLNA streaming server and renderer)
+  * Totem (movie player for the GNOME desktop)
+
+
+# Simple pipeline
+
+  ```bash
+  gst-launch-1.0 videotestsrc ! autovideosink
+  gst-launch-1.0 audiotestsrc ! autoaudiosink
+  ```
+
+# Media pipeline[^1]
+
+![*_Simple Player_*](simple-player.png){width=80%}
+
+[^1]: [Dynamic Pipelines](https://gstreamer.freedesktop.org/documentation/tutorials/basic/dynamic-pipelines.html?gi-language=c)
+
+
+# Internals[^2]
+
+![*_RGB_*](RGB-image-consisting-of-three-layers.png){width=60%}
+
+[^2]: [Raw Video Media Types](https://gstreamer.freedesktop.org/documentation/additional/design/mediatype-video-raw.html?gi-language=c)
+
+
+# Alpha compositing[^3]
+
+- How does it look?
+
+[^3]: [Alpha Compositing - Bartosz Ciechanowski](https://ciechanow.ski/alpha-compositing/)
+
+
+# Demo
+
+- Using Cairo[^4][^5]
+
+[^4]: [GStreamer Cairo example](https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/subprojects/gst-plugins-good/tests/examples/cairo/cairo_overlay.c?ref_type=heads)
+[^5]: [GStreamer Cairo example project](https://git.sanchayanmaity.net/sanchayanmaity/cairo-overlay-example)
+
+# Rounded corners
+
+![*_Rounded Corners_*](roundedcorners.jpg){width=60%}
+
+```bash
+gst-launch-1.0 filesrc location=bunny.mp4 ! decodebin ! videoconvert !
+roundedcorners border-radius-px=100 ! videoconvert ! gtksink
+```
+
+# Getting started
+
+- [GStreamer Basic Tutorial](https://gstreamer.freedesktop.org/documentation/tutorials/basic/index.html?gi-language=c)
+- [GStreamer Application Development](https://gstreamer.freedesktop.org/documentation/application-development/index.html?gi-language=c)
+
+# Questions
+
+- Reach out on
+  * Email: sanchayan@sanchayanmaity.net
+  * Mastodon: https://sanchayanmaity.com/@sanchayan
+  * Telegram: https://t.me/SanchayanMaity
+  * Blog: sanchayanmaity.net
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+#!/bin/sh
+GST_PLUGIN_PATH=~/GitSources/gst-plugins-rs/target/debug gst-launch-1.0 filesrc location=bunny.mp4 ! decodebin ! videoconvert ! video/x-raw,width=1280,height=720 ! roundedcorners border-radius-px="$1" ! videoconvert ! gtksink
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