gstTutorial

by Shunguang Wu ([email protected]) 03/12/20

Folder structure

dataset/ -- the sample images, videos used in the tutorial code
doc/ -- document folder inluding ppts, and images used in the book
gstOfficialTutorials/ -- the gst official tutorial examples
ref/ -- references used in this book
src/ --source code of each chapters

ch1. Introduction

1.1 Gstreamer brief

1.1.1 Media signal processing modeling
1.1.2 elements, pipeline, and playbins
1.1.3 how does it work?

1.2 Set up playground

1.2.1 for windows
1.2.2 for Linux

1.3 Command line tools

1.3.1 gst-launch-1.0
1.3.2 gst-inspect-1.0
1.3.3 gst-discovery-1.0

1.4 miscellaneous preparations

1.4.1 set environment variables
1.4.3 brief of libUtil
1.4.4 run and test libUtil\

1.5 Overiew and chapter dpendency graph of this book

1.6 Summary

ch2 Build an "Hello World" application

2.1 motivation

2.2 Create elements,build a pipeline and run it

2.2 Different ways to run a pipline

2.3 Get and set parameters of an element

2.4 Wrap into a cpp class

2.5 Debug

2.6 Summary

ch3 Approaches to deliver videos from "point A" to "Point B"

3.1 Catagories of deliver video from "point A" to "point B"

3.2 breif of video

3.2.1 what is image codecs
3.2.2 what is video codecs (https://en.wikipedia.org/wiki/Video_compression_picture_types)\ 3.2.3 some important parameters

3.3 extract images from a video and pack images into a video

3.3.1 decode a video into individual images
3.3.2 encode a vidoe from individual images

3.4 example of tranforming a video file format

3.4.1 AVI to MP4
3.4.2 MP4 to AVI

3.5 streaming video

3.5.1. TCP and UDP basics
A.1 TCP protocal
A.2 UDP protical (broad cast and echo modes)
3.5.2 rtspsrc and rtspsink
3.5.3 udpsrc and udpsink

3.6 Summary

ch4 metadata

4.1 gst metadata catogories

4.2 add author and subtitle on video

4.3 pass metadata between filters

4.4 add frame levele metadata when encoding video

4.5 extract frame level metadata when decoding video

ch5 Audio

ch6 mux and demux

ch7 Final project: implementation of ehancement security by AI in industry security cameras

7.1 capture video from variety sources

7.1.1 from camera\ 7.1.2 frome files
7.1.3 from web\

7.2 frame level proceesing and manipulation

7.2.1 stabilization
7.2.2 object detection
7.2.3 downsampling

7.3 sink video to different destinations

7.3.1 to screen
7.3.2 to HDMI port
7.3.3 to file
7.3.4 to ip port
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