• v4l2-ctl
• gst-launch-1.0
• gst-inspect-1.0

• CCD-Sensor
• Active Pixel Sensor (APS) aka. CMOS-Sensor
• Bayer-Sensor, Raw Bayer data
• Rohdatenformat
• Demosaicing
• Interpolation (Fotografie)

GStreamer: open source multimedia framework
RasPi Camera: GStreamer-1.0 w/ Windows 7
Streaming Video Using gstreamer
Video streaming from Rpi camera using Gstreamer(IP and Port)

$ sudo apt-get install libgstreamer1.0-dev

HowTo’s

Gstreamer cheat sheet
RidgeRun Wiki

With Raspberry Pi

Video Streaming with RapsberryPI Using gStreamer

Tutorials

Basic tutorials

Basic tutorial 1: Hello world!
Basic tutorial 8: Short-cutting the pipeline (AppSrc)

Application Development Manual

Building an Application

Pads and capabilities
Your first application

Plugin Writer’s Guide

Advanced Concepts

Request and Sometimes pads

API Documents

GstElement, Abstract base class for all pipeline elements.
GstPad, Object contained by elements that allows links to other elements.
GstPadTemplateGstStructure, Generic structure containing fields of names and values.
GstPipeline, Top-level bin with clocking and bus management functionality.
GstBin, Base class and element that can contain other elements.
GstDiscoverer, Utility for discovering information on URIs.
appsrc
GstAppSrc, Easy way for applications to inject buffers into a pipeline

Plugins

List of Elements and Plugins

Source

Typical source elements include:

• file readers
• network elements (live or not)
• capture elements (video/audio/…)
• generators (signals/video/audio/…)

v4l2src, capture video from v4l2 devices, like webcams and tv cards.
ximagesrc, captures your X Display and creates raw RGB video.

Sink

Typical sink elements include:

• audio/video renderers
• network sinks
• filesinks

filesink, writes incoming data to a file in the local file system.

Code Examples

GStreamerSample
main.vala , an approach to Gstreamer with Vala
Vala GStreamer Samples
GStreamer Streaming AppSrc Example

Images to Video

GStreamer memory buffer usage
Pushing images into a gstreamer pipeline
imagefreeze Plug-In
multifilesrc Plug-In

Examples

UDP Streaming

### OWN IP=160.85.151.104
root@rpi3:/home/pi# raspivid -t 0 -w 1080 -h 720 -fps 30 -hf -b 2000000 -o - | \
gst-launch-1.0 -e -vvvv fdsrc ! \
h264parse ! \
rtph264pay config-interval=5 pt=96 ! \
udpsink host=160.85.41.144 port=5000

### OWN IP: 160.85.41.144
C:\gstreamer\1.0\x86_64\bin>gst-launch-1.0 -e -v udpsrc port=5000 ! application/x-rtp, payload=96 ! rtpjitterbuffer ! rtph264depay ! avdec_h264 ! fpsdisplaysink sync=false text-overlay=false