修复呼叫页面不出声音问题

Author: neilyhe

app/src/main/java/com/example/ivdemo/CustomDuplexVideoActivity.kt

@@ -214,6 +214,19 @@ class CustomDuplexVideoActivity : BaseIPCActivity<ActivityCustomDuplexVideoBindi
         }
     }
 
+    override fun onStartRecvAudioStream(
+        visitor: Int,
+        channel: Int,
+        type: Int,
+        option: Int,
+        mode: Int,
+        width: Int,
+        sample_rate: Int,
+        sample_num: Int
+    ): Int {
+        return player.startAudioPlay(visitor, type, option, mode, width, sample_rate, sample_num)
+    }
+
     private fun checkConditions() {
         if (condition1 && condition2 && remotePreviewSurface != null && surface == null) {
             surface = Surface(remotePreviewSurface)

app/src/main/java/com/tencent/iotvideo/link/decoder/VideoDecoder.java

@@ -63,6 +63,10 @@ private void initVideo(int width, int height, Surface surface) throws IOExceptio
         mFormat.setInteger(MediaFormat.KEY_ROTATION, 0);
         mFormat.setInteger(MediaFormat.KEY_PROFILE, MediaCodecInfo.CodecProfileLevel.AVCProfileBaseline);
         mFormat.setInteger(MediaFormat.KEY_LEVEL, MediaCodecInfo.CodecProfileLevel.AVCLevel31);
+        mFormat.setInteger(MediaFormat.KEY_PRIORITY, 0); // 设置低优先级
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            mFormat.setInteger(MediaFormat.KEY_LOW_LATENCY, 1); // 启用低延迟模式
+        }
         String model = Build.MODEL;
         if (model.contains("KONKA") && model.contains("9652") || model.contains("KONKA") && model.contains("9653") || model.contains("XY01")) { // 康佳 MTK的一个SoC 型号
             mFormat.setInteger("low-latency", 1);
@@ -88,22 +92,22 @@ public int decoderH264(byte[] data, int len, long pts) {
             try {
                 ByteBuffer[] inputBuffers = mVideoCodec.getInputBuffers();
                 // queue and decode
-                int inputBufferIndex = mVideoCodec.dequeueInputBuffer(-1);
+                int inputBufferIndex = mVideoCodec.dequeueInputBuffer(10000);
                 if (inputBufferIndex >= 0) {
                     ByteBuffer inputBuffer = inputBuffers[inputBufferIndex];
                     inputBuffer.clear();
                     inputBuffer.put(data, 0, len);
-                    mVideoCodec.queueInputBuffer(inputBufferIndex, 0, len, 0, 0);
+                    mVideoCodec.queueInputBuffer(inputBufferIndex, 0, len, pts * 1000, 0);
                 } else {
                     Log.e(TAG, "video inputBufferIndex invalid: " + inputBufferIndex);
                 }
 
                 // dequeue and render
                 MediaCodec.BufferInfo bufferInfo = new MediaCodec.BufferInfo();
-                int outputBufferIndex = mVideoCodec.dequeueOutputBuffer(bufferInfo, 0);
+                int outputBufferIndex = mVideoCodec.dequeueOutputBuffer(bufferInfo, 10000);
                 while (outputBufferIndex >= 0) {
                     mVideoCodec.releaseOutputBuffer(outputBufferIndex, true);
-                    outputBufferIndex = mVideoCodec.dequeueOutputBuffer(bufferInfo, 0);
+                    outputBufferIndex = mVideoCodec.dequeueOutputBuffer(bufferInfo, 10000);
                 }
             } catch (Throwable t) {
                 t.printStackTrace();

app/src/main/res/layout/activity_custom_duplex_video.xml

@@ -76,7 +76,7 @@
         <androidx.constraintlayout.widget.ConstraintLayout
             android:id="@+id/cl_call"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
+            android:layout_height="550dp"
             android:visibility="gone"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
@@ -95,7 +95,7 @@
                 android:id="@+id/surfaceView_duplex"
                 android:layout_width="0dp"
                 android:layout_height="0dp"
-                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintBottom_toBottomOf="@+id/bg_surfaceView"
                 app:layout_constraintEnd_toEndOf="@+id/bg_surfaceView"
                 app:layout_constraintStart_toStartOf="@+id/bg_surfaceView"
                 app:layout_constraintTop_toTopOf="@+id/bg_surfaceView" />