rtsp-client-android

Lightweight RTSP client library for Android with almost zero lag video display. Designed for lag criticial applications (e.g. video surveillance from drones).

Unlike ExoPlayer which also supports RTSP, this library does not make any video buffering. Video frames are shown immidiately when they arrive.

Features:

• Android min API 24.
• RTSP/RTSPS over TCP.
• Video H.264 only.
• Audio AAC LC only.
• Basic/Digest authentification.
• Supports majority of RTSP IP cameras.

Permissions:

<uses-permission android:name="android.permission.INTERNET" />

Compile

To use this library in your project add this to your build.gradle:

allprojects {
  repositories {
    maven { url 'https://jitpack.io' }
  }
}
dependencies {
  implementation 'com.github.alexeyvasilyev:rtsp-client-android:2.0.8'
}

How to use:

Easiest way is just to use RtspSurfaceView class for showing video stream in UI.

<com.alexvas.rtsp.widget.RtspSurfaceView
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/svVideo" />

Then in code use:

val uri = Uri.parse("rtsps://10.0.1.3/test.sdp")
val username = "admin"
val password = "secret"
svVideo.init(uri, username, password)
svVideo.start(requestVideo = true, requestAudio = true)
// ...
svVideo.stop()

You can still use library without any decoding (just for obtaining raw frames), e.g. for writing video stream into MP4 via muxer.

val rtspClientListener = object: RtspClient.RtspClientListener {
    override fun onRtspConnecting() {}
    override fun onRtspConnected(sdpInfo: SdpInfo) {}
    override fun onRtspVideoNalUnitReceived(data: ByteArray, offset: Int, length: Int, timestamp: Long) {
        // Send raw H264/H265 NAL unit to decoder
    }
    override fun onRtspAudioSampleReceived(data: ByteArray, offset: Int, length: Int, timestamp: Long) {
        // Send raw audio to decoder
    }
    override fun onRtspDisconnected() {}
    override fun onRtspFailedUnauthorized() {
        Log.e(TAG, "RTSP failed unauthorized");
    }
    override fun onRtspFailed(message: String?) {
        Log.e(TAG, "RTSP failed with message '$message'")
    }
}

val uri = Uri.parse("rtsps://10.0.1.3/test.sdp")
val username = "admin"
val password = "secret"
val stopped = new AtomicBoolean(false)
val sslSocket = NetUtils.createSslSocketAndConnect(uri.getHost(), uri.getPort(), 10000)

val rtspClient = RtspClient.Builder(sslSocket, uri.toString(), stopped, rtspClientListener)
    .requestVideo(true)
    .requestAudio(true)
    .withDebug(false)
    .withUserAgent("RTSP client")
    .withCredentials(username, password)
    .build()
// Blocking call until stopped variable is true or connection failed
rtspClient.execute()

NetUtils.closeSocket(sslSocket)