DJI video sample app modified for RosettaDrone

This is a slightly modified version of the original DJI video sample app. I just added the code used by RosettaDrone for doing RTP streaming.

All video code in Rosetta should be replaced in the future with the code used here.

See: RosettaDrone/rosettadrone#131

How to test RTP Streaming

• Change the destination host and port in app/src/main/java/com/dji/videostreamdecodingsample/media/DJIVideoStreamDecoder.java in initRosetta()
• Set the com.dji.sdk.API_KEY in app/src/main/AndroidManifest.xml
• Build and run the app
• Press the "custom decoder" button
• To receive the stream, on the destination host, run the command: gst-launch-1.0 udpsrc port=5600 caps="application/x-rtp, media=video, clock-rate=90000, encoding-name=H264" ! rtph264depay ! avdec_h264 ! videoconvert ! autovideosink
• If you experience issues, try reducing the video resolution using the DJI Fly App or similar.
• Also make sure your drone is not overheated. As I explained in my Hacking on Rosetta Tutorial it is common that video fails and crashes if you don't use a fan.
• Please report your results commenting here: RosettaDrone/rosettadrone#131

The rest of this document is a copy of the original version.

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Based on https://github.com/DJI-Mobile-SDK-Tutorials/Android-VideoStreamDecodingSample but updated frequently.

Android-VideoStreamDecodingSample

Introduction

This sample code demonstrates how to use FFmpeg for video frame parsing and to use the MediaCodec for hardware decoding. It will help to parse video frames and decode the raw video stream data from DJI Camera and output the YUV data.

Requirements

• Android Studio 2.0+
• Android System 4.2+
• DJI Android SDK 4.15

IMPORTANT: Install git lfs

This repository uses Git Large File Storage (git lfs) for JNI lib storage. Please install git lfs from here.

After git lfs installation, you can clone or pull just like normal repository.

Click here for more information on git lfs.

NOTE: You CANNOT use DOWNLOAD feature because it does not automatically pull from git lfs. Please use git clone. If you want to clone only latest commit, you can use --depth 1 option of git clone.

Explanation

For this sample code's explanation, please refer to https://developer.dji.com/mobile-sdk/documentation/sample-code/index.html.

Feedback

We’d love to hear your feedback on this demo and tutorial.

Please use Github Issue or email [email protected] when you meet any problems of using this demo. At a minimum please let us know:

• Which DJI Product you are using?
• Which Android Device and Android system version you are using?
• Which Android Studio version you are using?
• A short description of your problem includes debugging logs or screenshots.
• Any bugs or typos you come across.

License

Android-VideoStreamDecodingSample is available under the MIT license. Please see the LICENSE file for more info.

Join Us

DJI is looking for all kinds of Software Engineers to continue building the Future of Possible. Available positions in Shenzhen, China and around the world. If you are interested, please send your resume to [email protected]. For more details, and list of all our global offices, please check https://we.dji.com/jobs_en.html.

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