local tracks

@@ -37,6 +37,7 @@ android {
     }
     kotlinOptions {
         freeCompilerArgs = ["-Xinline-classes"]
+        jvmTarget = java_version
     }
 }
 

+package io.livekit.android.room.track
+
+class AudioOptions {
+}
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+package io.livekit.android.room.track
+
+data class DataTrackOptions(
+    val ordered: Boolean = true,
+    val maxPacketLifetime: Int = -1,
+    val maxRetransmits: Int = -1,
+    val name: String
+)

+package io.livekit.android.room.track
+
+class LocalAudioTrack(
+    name: String,
+    audioOptions: AudioOptions? = null,
+    rtcTrack: org.webrtc.AudioTrack
+) : AudioTrack(name, rtcTrack) {
+    var sid: Sid? = null
+        internal set
+    var audioOptions = audioOptions
+        private set
+}
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+package io.livekit.android.room.track
+
+import org.webrtc.DataChannel
+import java.nio.ByteBuffer
+
+class LocalDataTrack(
+    val options: DataTrackOptions,
+    rtcTrack: DataChannel
+) : DataTrack(options.name, rtcTrack) {
+    var sid: Sid? = null
+        internal set
+
+    fun sendString(message: String) {
+        val byteBuffer = ByteBuffer.wrap(message.toByteArray())
+        val buffer = DataChannel.Buffer(byteBuffer, false)
+        rtcTrack.send(buffer)
+    }
+
+    fun sendBytes(byteBuffer: ByteBuffer) {
+        val buffer = DataChannel.Buffer(byteBuffer, true)
+        rtcTrack.send(buffer)
+    }
+}
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+package io.livekit.android.room.track
+
+import android.content.Context
+import com.github.ajalt.timberkt.Timber
+import org.webrtc.*
+import java.util.*
+
+
+class LocalVideoTrack(
+    private val capturer: VideoCapturer,
+    private val source: VideoSource,
+    name: String,
+    rtcTrack: org.webrtc.VideoTrack
+) : VideoTrack(name, rtcTrack) {
+    var sid: Sid? = null
+
+    companion object {
+        internal fun track(
+            peerConnectionFactory: PeerConnectionFactory,
+            context: Context,
+            enabled: Boolean,
+            name: String
+        ): LocalVideoTrack {
+            val source = peerConnectionFactory.createVideoSource(false)
+            val capturer = createVideoCapturer(context) ?: TODO()
+            val rootEglBase = EglBase.create()
+            capturer.initialize(
+                SurfaceTextureHelper.create("CaptureThread", rootEglBase.eglBaseContext),
+                context,
+                source.capturerObserver
+            )
+            val track = peerConnectionFactory.createVideoTrack(UUID.randomUUID().toString(), source)
+            track.setEnabled(enabled)
+
+            return LocalVideoTrack(
+                capturer = capturer,
+                source = source,
+                name = name,
+                rtcTrack = track,
+            )
+        }
+
+        private fun createVideoCapturer(context: Context): VideoCapturer? {
+            val videoCapturer: VideoCapturer? = if (Camera2Enumerator.isSupported(context)) {
+                createCameraCapturer(Camera2Enumerator(context))
+            } else {
+                createCameraCapturer(Camera1Enumerator(true))
+            }
+            if (videoCapturer == null) {
+                Timber.d { "Failed to open camera" }
+                return null
+            }
+            return videoCapturer
+        }
+
+        private fun createCameraCapturer(enumerator: CameraEnumerator): VideoCapturer? {
+            val deviceNames = enumerator.deviceNames
+
+            // First, try to find front facing camera
+            for (deviceName in deviceNames) {
+                if (enumerator.isFrontFacing(deviceName)) {
+                    Timber.v { "Creating front facing camera capturer." }
+                    val videoCapturer = enumerator.createCapturer(deviceName, null)
+                    if (videoCapturer != null) {
+                        return videoCapturer
+                    }
+                }
+            }
+
+            // Front facing camera not found, try something else
+            for (deviceName in deviceNames) {
+                if (!enumerator.isFrontFacing(deviceName)) {
+                    Timber.v { "Creating other camera capturer." }
+                    val videoCapturer = enumerator.createCapturer(deviceName, null)
+                    if (videoCapturer != null) {
+                        return videoCapturer
+                    }
+                }
+            }
+            return null
+        }
+
+    }
+}
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