Keep Android wake deadlines absolute and report causes of the largest video gaps

tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallVideoPlayer.kt

@@ -45,12 +45,13 @@ internal class CallVideoPlayer(private val id: Long, private val failure: (Strin
         val renderHandler = Handler(Looper.getMainLooper())
         fun close() {
             try { decoder?.stop() } catch (e: Exception) { LogManager.addLog("WARN", "call", "video decoder stop: ${e.message}") }
-            decoder?.release(); decoder = null; format = null; pictures.clear(); inputs.clear()
+            try { decoder?.release() } catch (e: Exception) { LogManager.addLog("WARN", "call", "video decoder release: ${e.message}") }
+            decoder = null; format = null; pictures.clear(); inputs.clear()
             draining = false; endSeen = false; lastOutput = -1
         }
         try {
             while (running) {
-                var worked = false; var waitUs = 5000L
+                var worked = false; var wakeUs = System.nanoTime() / 1000 + 5000
                 try {
                     while (true) {
                         val next = outputs.poll() ?: break
@@ -89,7 +90,7 @@ internal class CallVideoPlayer(private val id: Long, private val failure: (Strin
                     val first = pictures.peekFirst(); val nextPicture = if (pictures.size > 1) pictures.peekLast() else null
                     val decision = CallVideoNative.playoutStep(playout, first?.timing?.pts ?: -1, first?.timing?.received ?: 0,
                         nextPicture?.timing?.pts ?: -1, nextPicture?.timing?.received ?: 0, now / 1000, valid, clock[4])
-                    if (decision > 0) waitUs = decision
+                    if (decision > 0) wakeUs = now / 1000 + decision
                     else if (first != null) {
                         val render = decision == 0L
                         if (first.timing.pts % 1_000_000 < 34_000) LogManager.addLog("DEBUG", "debug",
@@ -103,7 +104,11 @@ internal class CallVideoPlayer(private val id: Long, private val failure: (Strin
                         } else late++
                         lastProgress = now
                     }
-                    if (endSeen && pictures.isEmpty()) close()
+                    if (endSeen && pictures.isEmpty()) {
+                        check(inputs.isEmpty()) { "Video EOS before all output frames" }
+                        LogManager.addLog("DEBUG", "call", "video decoder drained call=$id generation=${format?.generation}")
+                        close()
+                    }
                     // Ожидание срока output не останавливает подачу input; очередь остаётся ограниченной.
                     if (pending == null && inputs.size + pictures.size < 8) {
                         pending = CallVideoNative.pull(id, meta); if (pending != null) pulled++
@@ -172,7 +177,8 @@ internal class CallVideoPlayer(private val id: Long, private val failure: (Strin
                     close(); CallVideoNative.playoutReset(playout)
                     pending = null; displayed.value = null; failure(e.message ?: "Video decoder failed")
                 }
-                if (!worked) Thread.sleep(waitUs / 1000, (waitUs % 1000 * 1000).toInt())
+                val waitUs = wakeUs - System.nanoTime() / 1000
+                if (!worked && waitUs > 0) Thread.sleep(waitUs / 1000, (waitUs % 1000 * 1000).toInt())
             }
         } finally {
             close(); CallVideoNative.playoutDestroy(playout); displayed.value = null; output?.release?.invoke()