Difference between revisions of "Linbian Usage Guide"
Csjamesdeng (talk | contribs) (→Demo programs) |
Csjamesdeng (talk | contribs) (→Demo programs) |
||
| Line 57: | Line 57: | ||
== Demo programs == | == Demo programs == | ||
| − | Allwinner release a series of MPP samples. You can download from [https://github.com/lindenis-org/mpp_sample Github]. | + | Allwinner release a series of MPP samples. You can download from [https://github.com/lindenis-org/mpp_sample Github]. After downloading, You will get the following directory. |
| + | <pre> | ||
| + | app/ | ||
| + | Makefile.param | ||
| + | README.md | ||
| + | sample_adec/ | ||
| + | sample_aenc/ | ||
| + | sample_ai/ | ||
| + | ...... | ||
| + | </pre> | ||
| + | |||
| + | '''app/''' includes a set of MPP samples with a command line based menu. '''sample_xxx/''' is a separate sample of the scene. Root privileges is required when run these sample. e.g. | ||
| + | <pre> | ||
| + | $ sudo ./app/release/app_mpp_sample | ||
| + | </pre> | ||
=== Face recognition === | === Face recognition === | ||
Revision as of 04:16, 26 October 2018
Contents
Terminal
On Linbian OS, the default terminal application is LXTerminal.
You can open it from Application Menu -> System Tools.
Camera Module
Webcams
Gstreamer
Camera source
- lindeniv4l2src: Video (video4linux2) Source
Use for CSI Camera
Example:
sudo gst-launch-1.0 lindeniv4l2src device=/dev/video1 ! video/x-raw,width=1920,height=1080,format=I420 ! videoconvert ! sunxifbsink video-memory=24
Omx hardware H.264 decoder and encoder
- omxh264dec: OpenMAX H.264 Video Decoder
Example:
sudo gst-launch-1.0 filesrc location=1c.mp4 ! qtdemux name=demux demux.video_0 ! queue ! h264parse ! omxh264dec ! videoconvert ! sunxifbsink
- omxh264videoenc: OpenMAX H.264 Video Encoder
Example:
sudo gst-launch-1.0 lindeniv4l2src device=/dev/video1 ! video/x-raw,width=1920,height=1080,format=I420 ! videoconvert ! omxh264videoenc target-bitrate=5000000 ! mpegtsmux ! filesink location=1.ts
Display sink
- sunxifbsink: Accelerated console framebuffer video sink for sunxi-based devices
Example:
sudo gst-launch-1.0 -v videotestsrc pattern=ball name=left ! sunxifbsink
Play Video
Play Audio
Python
GPIO
MPP
Allwinner official documents
- MPP Application Development Reference Manual, Chinese version.
- ISP Module User Guide, Chinese version, English version.
- EVE Application Development Reference Manual, Chinese version, English version.
- Human Counting Application Development Reference Manual, Chinese version
- Motion Detection Application Development Reference Manual, Chinese version
- Binocular depth of field (DOF) Application Development Reference Manual, Chinese version
Samples
Please refer to Demo programs.
Demo programs
Allwinner release a series of MPP samples. You can download from Github. After downloading, You will get the following directory.
app/ Makefile.param README.md sample_adec/ sample_aenc/ sample_ai/ ......
app/ includes a set of MPP samples with a command line based menu. sample_xxx/ is a separate sample of the scene. Root privileges is required when run these sample. e.g.
$ sudo ./app/release/app_mpp_sample
