refactor: Move some extractor to libraries for datalife engine multisrc (#2246)

lib/streamdav-extractor/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    id("com.android.library")
+    kotlin("android")
+}
+
+android {
+    compileSdk = AndroidConfig.compileSdk
+    namespace = "eu.kanade.tachiyomi.lib.streamdavextractor"
+
+    defaultConfig {
+        minSdk = AndroidConfig.minSdk
+    }
+}
+
+dependencies {
+    compileOnly(libs.bundles.common)
+}

lib/streamdav-extractor/src/main/java/eu/kanade/tachiyomi/lib/streamdavextractor/StreamDavExtractor.kt

@@ -0,0 +1,17 @@
+package eu.kanade.tachiyomi.lib.streamdavextractor
+
+import eu.kanade.tachiyomi.animesource.model.Video
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.util.asJsoup
+import okhttp3.OkHttpClient
+
+class StreamDavExtractor(private val client: OkHttpClient) {
+    fun videosFromUrl(url: String, prefix: String = ""): List<Video> {
+        val document = client.newCall(GET(url)).execute().use { it.asJsoup() }
+        return document.select("source").map {
+            val videoUrl = it.attr("src")
+            val quality = it.attr("label")
+            Video(url, "${prefix}StreamDav - ($quality)", videoUrl)
+        }
+    }
+}