This document provides an introduction and overview of Gstreamer, including its concepts and examples of its use. Gstreamer is a media framework that allows building media handling applications and facilitating tasks like accessing hardware, building plugins, and using scriptable command line tools. It discusses key Gstreamer concepts and provides examples of using it to analyze media files, transcode video and audio to different formats, and stream video. The document encourages questions and provides credits for resources used.

1. Intro To Gstreamer
Rand Graham
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2. Why Gstreamer?
◦ Media Application
◦ Access To Hardware
◦ Plugin
◦ Scriptable Command Line Tools
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3. Gstreamer Concepts
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4. Gstreamer Concepts
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5. Gstreamer Hardware
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Nvidia Jetson TX2
Pascal GPU (256 Cuda Cores)
8 GB 128 bit LPDDR4
Retails for $569
Probably Installed
Build Instructions

6. BEHOLD! Big Buck Bunny
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7. Gstreamer Examples
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gst-discoverer-1.0 bbb_sunflower_2160p_60fps_normal.mp4
Topology: container: Quicktime
audio: AC-3 (ATSC A/52)
audio: MPEG-1 Layer 3 (MP3)
video: H.264 (High Profile)
Properties:
Duration: 0:10:34.533333333
Tags:
audio codec: MPEG-1 audio
container format: ISO MP4/M4A
video codec: H.264 / AVC

8. Gstreamer Examples
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gst-launch-1.0 -e filesrc
location=bbb_sunflower_2160p_60fps_
normal.mp4 !
qtdemux ! h264parse ! mfxh264dec !
mfxvpp width=1280 height=720 !
mfxh264enc ! "video/x-h264,
profile=high" ! matroskamux !
filesink location=bunny720.mkv
Video Transcode

9. Gstreamer Examples
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gst-launch-1.0 -e filesrc location=bbb.mp4 !
Video and Audio Transcode
qtdemux name=demux demux.audio_0 !
queue ! mpegaudioparse !
mpg123audiodec ! audioconvert !
avenc_aac ! mux. demux.video_0 !
! queue ! h264parse ! mfxh264dec ! mfxvpp width=1280 height=720 !
mfxh264enc ! "video/x-h264, profile=high" ! mux. qtmux
name=mux ! filesink location=bunny.mp4 sync=false

10. Gstreamer Examples
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gst-launch-1.0 -e filesrc
location=/home/rdg/Videos/test/bbb_sunflower_2160p_60fps_nor
mal.mp4 ! qtdemux name=demux demux.audio_0 ! queue !
mpegaudioparse ! mpg123audiodec ! audioconvert ! avenc_aac !
mux. demux.video_0 ! queue ! h264parse ! mfxh264dec ! mfxvpp
width=1280 height=720 ! mfxh264enc ! "video/x-h264,
profile=high" ! mux. mpegtsmux name=mux !
hlssink
Streaming Video

11. Thanks!
ANY QUESTIONS?

12. Connect with me on twitter:
@rdg_rmcore
Read more at my website:
http://rmcore.com/

13. CREDITS
Special thanks to all the people who made and
released these awesome resources for free:
◦ Presentation template by SlidesCarnival
◦ SVG GStreamer Logo by Christophe Dumas
◦ Big Buck Bunny is (c) copyright 2008,
Blender Foundation /
www.bigbuckbunny.org