GStreamer

GStreamer is a library for constructing graphs of media-handling components.

Launch a test pipeline.

gst-launch audiotestsrc ! audioconvert ! autoaudiosink
gst-launch videotestsrc ! videoconvert ! autovideosink

Print info about a plugin or element.

gst-inspect
gst-inspect -a
gst-inspect <plugin>
gst-inspect <element>

Detect the media format of a file.

gst-typefind <file>

Play audio or video.

gst-launch playbin uri=<file://path/to/file>

Use element properties.

gst-launch audiotestsrc wave=saw freq=880 ! audioconvert ! autoaudiosink