Fix Android Auto image fallback and microphone permission

common/src/main/java/com/shilapi/xcertplay/DiPlayActivity.kt

@@ -136,6 +136,14 @@ class DiPlayActivity : AppCompatActivity() {
     private var initialLaunch = true
     private var notificationTransport = true
     private var exportInProgress = false
+    private var pendingAndroidAutoSourceId: String? = null
+    private val androidAutoMicrophonePermission =
+        registerForActivityResult(ActivityResultContracts.RequestPermission()) { granted ->
+            val sourceId = pendingAndroidAutoSourceId ?: return@registerForActivityResult
+            pendingAndroidAutoSourceId = null
+            if (!granted) toast(getString(UiR.string.aa_microphone_permission_denied))
+            startProjectionSourceNow(sourceId)
+        }
     private val notificationPermission = registerForActivityResult(ActivityResultContracts.RequestPermission()) {
         connect(notificationTransport)
     }
@@ -227,6 +235,7 @@ class DiPlayActivity : AppCompatActivity() {
         ServerWindow.showSystemBars(window)
         refreshAuthentication()
         selectedPrivateKey = savedInstanceState?.getString("selectedPrivateKey")?.let(Uri::parse)
+        pendingAndroidAutoSourceId = savedInstanceState?.getString("pendingAndroidAutoSourceId")
         awaitingTeslaVpnConsent = savedInstanceState?.getBoolean("awaitingTeslaVpnConsent") ?: false
         page = savedInstanceState?.getString("page") ?: intent.getStringExtra("page")
             ?: if (setupError == null) "service" else "settings"
@@ -264,6 +273,7 @@ class DiPlayActivity : AppCompatActivity() {
     override fun onSaveInstanceState(outState: Bundle) {
         outState.putString("page", page)
         outState.putString("selectedPrivateKey", selectedPrivateKey?.toString())
+        outState.putString("pendingAndroidAutoSourceId", pendingAndroidAutoSourceId)
         outState.putBoolean("awaitingTeslaVpnConsent", awaitingTeslaVpnConsent)
         super.onSaveInstanceState(outState)
     }
@@ -754,6 +764,19 @@ class DiPlayActivity : AppCompatActivity() {
     }
 
     private fun startProjectionSource(id: String) {
+        if (isAndroidAutoSource(id) &&
+            AirPlayPersistence.loadMicrophoneSource(this) == CarPlayMicrophoneSource.ANDROID &&
+            checkSelfPermission(Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
+            pendingAndroidAutoSourceId = id
+            androidAutoMicrophonePermission.launch(Manifest.permission.RECORD_AUDIO)
+            return
+        }
+        startProjectionSourceNow(id)
+    }
+
+    private fun isAndroidAutoSource(id: String) = id == LocalAndroidAuto.SOURCE_ID || id.startsWith("android-auto-")
+
+    private fun startProjectionSourceNow(id: String) {
         registerProjectionSources(this)
         startWebServiceIfReady()
         projectionSessions.switchTo(id).whenComplete { _, failure -> runOnUiThread {

common/src/main/java/com/shilapi/xcertplay/projection/androidauto/AapVideo.kt

@@ -21,9 +21,16 @@ internal class AapVideo(private val output: ProjectionVideoOutput, private val k
             if (config?.contentEquals(next) != true) { revision = output.configure(VideoCodec.H264, next, keyframe); config = next }
         }
         return revision != 0L && nals.any { it[0].toInt() and 31 in 1..5 } &&
-            output.frame(revision, HeapVideoFrame(unit.data), unit.ptsUs)
+            output.frame(revision, HeapVideoFrame(canonicalAnnexB(nals)), unit.ptsUs)
     }
     companion object {
+        private fun canonicalAnnexB(nals: List<ByteArray>): ByteArray = ByteArrayOutputStream().apply {
+            nals.forEach { nal ->
+                write(byteArrayOf(0, 0, 0, 1))
+                write(nal)
+            }
+        }.toByteArray()
+
         fun annexB(data: ByteArray): List<ByteArray> {
             val starts = ArrayList<Pair<Int, Int>>()
             var i = 0

common/src/main/res/values-zh-rCN/strings.xml

@@ -1,4 +1,5 @@
 <resources>
+    <string name="aa_microphone_permission_denied">录音权限已拒绝。Android Auto 将在没有麦克风输入的情况下连接。</string>
     <string name="notification_action_previous">上一首</string>
     <string name="notification_action_play">播放</string>
     <string name="notification_action_pause">暂停</string>

common/src/main/res/values-zh-rTW/strings.xml

@@ -1,4 +1,5 @@
 <resources>
+    <string name="aa_microphone_permission_denied">錄音權限已拒絕。Android Auto 將在沒有麥克風輸入的情況下連線。</string>
     <string name="notification_action_previous">上一首</string>
     <string name="notification_action_play">播放</string>
     <string name="notification_action_pause">暫停</string>

common/src/main/res/values/strings.xml

@@ -1,4 +1,5 @@
 <resources>
+    <string name="aa_microphone_permission_denied">Microphone permission was denied. Android Auto will connect without microphone input.</string>
     <string name="app_name" translatable="false">WheelPlay</string>
     <string name="notification_action_previous">Previous track</string>
     <string name="notification_action_play">Play</string>

common/src/test/java/com/shilapi/xcertplay/projection/androidauto/AapVideoTest.kt

@@ -11,12 +11,16 @@ class AapVideoTest {
     private class Output : ProjectionVideoOutput {
         override val surface: Surface get() = error("encoded")
         val configs = mutableListOf<ByteArray>()
+        val frameData = mutableListOf<ByteArray>()
         var frames = 0
         override fun configure(codec: VideoCodec, codecData: ByteArray, requestKeyframe: () -> Unit): Long {
             configs += codecData; return configs.size.toLong()
         }
         override fun frame(formatRevision: Long, frame: CompressedVideoFrame, ptsUs: Long): Boolean {
-            assertEquals(configs.size.toLong(), formatRevision); frames++; return true
+            assertEquals(configs.size.toLong(), formatRevision)
+            frameData += frame.toByteArray()
+            frames++
+            return true
         }
         override fun framebuffer(snapshot: ProjectionFramebuffer.Snapshot) = false
         override fun close() = Unit
@@ -37,4 +41,25 @@ class AapVideoTest {
         video.accept(AapMediaAssembler.AccessUnit(nal(sps.copyOf().also { it[4] = 3 }) + nal(pps), 0))
         assertEquals(2, out.configs.size)
     }
+
+    @Test fun threeByteFourByteAndMixedStartCodesReachThePublicImageDecoderAsCanonicalAnnexB() {
+        val out = Output(); val video = AapVideo(out) {}
+        val sps = byteArrayOf(0x67, 0x42, 0, 0x1e, 1)
+        val pps = byteArrayOf(0x68, 2)
+        val start3 = byteArrayOf(0, 0, 1)
+        val start4 = byteArrayOf(0, 0, 0, 1)
+        video.accept(AapMediaAssembler.AccessUnit(start3 + sps + start4 + pps, 0))
+        assertEquals(1, out.configs.size)
+
+        val idr = byteArrayOf(0x65, 4)
+        val slice = byteArrayOf(0x41, 5)
+        val inputs = listOf(start3 + idr, start4 + idr, start3 + idr + start4 + slice)
+        val expected = listOf(start4 + idr, start4 + idr, start4 + idr + start4 + slice)
+        inputs.forEachIndexed { index, input ->
+            video.accept(AapMediaAssembler.AccessUnit(input, 42L + index))
+            val encodedFrame = out.frameData[index]
+            assertArrayEquals(expected[index], encodedFrame)
+            assertArrayEquals(encodedFrame, com.shilapi.xcertplay.media.MediaCodecSupport.toAnnexB(encodedFrame))
+        }
+    }
 }

website/wrangler.jsonc

@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/cloudflare/workers-sdk/main/packages/wrangler/config-schema.json",
-  "name": "wheelplay-website",
+  "name": "wheelplay",
   "compatibility_date": "2026-10-23",
   "pages_build_output_dir": "./dist",
 }

website/wrangler.worker.jsonc

@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/cloudflare/workers-sdk/main/packages/wrangler/config-schema.json",
-  "name": "wheelplay-website",
+  "name": "wheelplay",
   "main": "./worker/index.ts",
   "compatibility_date": "2026-10-23",
   // Required by `wrangler preview`; static assets remain configured at the top level.