Flush encoder in EOFProcessing

resources/workers/encWW.js

@@ -161,17 +161,14 @@ async function steps() {
 async function EOFProcessing() {
   let ret = 0, size_;
 
-  console.log(ident + " EOF");
+  encoder._flushEncoder();
 
   while (true) {
     ret = encoder._getPackets(encBuf, ENC_BUF_SIZE, size);
     size_ = encoder.getValue(size, 'i32');
 
-    if (ret == 1) {
-      /* No more frames here */
+    if (size_ == 0) {
       break;
-    } else if (ret > 0) {
-      throw new Error("Encoder internal error")
     }
 
     sendToMuxerUntilSuccess(size_, 500);
@@ -214,6 +211,7 @@ async function RGBProcessing(frame) {
 
 // Unit of interval is millionsecond
 async function sendToMuxerUntilSuccess(size, interval) {
+  console.log("Send to Muxer");
   while (!sendToMuxer(size)) {
     await sleep(interval);
   }