Receiving video stream on Android from GStreamer through RTP

Question

I want to create an Android application that receives a video stream from GStreamer through RTP with a low latency, like a security camera app. I am a beginner on GStreamer and Android. The video is encoded with h264.

For that, I have several ideas :

• use ExoPlayer2, but I am not sure if it's possible to add specific options to be compatible with the gstreamer stream.
• use GStreamer for Android, but it's not beginner-friendly.

I tried to read the video stream and it's successful with VLC on Windows with a sdp file like this :

v=0
m=video 5000 RTP/AVP 96
c=IN IP4 127.0.0.1
a=rtpmap:96 H264/90000

But the latency is high because of buffer.

It's successful with GStreamer thanks to this command line : .gst-launch-1.0.exe -v udpsrc port=5000 ! "application/x-rtp,clock-rate=(int)90000,payload=(int)96" ! rtph264depay ! avdec_h264 ! fpsdisplaysink sync=false text-overlay=true

And on Android with QGroundControl (using GStreamer), however the latency is high.

I followed tutorials to read video with ExoPlayer2 but I didn't manage to read video stream.

I tried to follow the GStreamer Android tutorial however I have the impression that the tutorial is outdated and only allows to display a video and not a video stream (please tell me if I'm wrong).

I am confused, all the results of my research are old (more than 5 years) and I think that the technologies to realize my application have evolved (at least I hope so).

Please, help me to find a way to follow.

Best regards.

question from:https://stackoverflow.com/questions/65915846/receiving-video-stream-on-android-from-gstreamer-through-rtp

Answer 1

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