Add option to print peer connection factory Java stack traces.

talk/app/webrtc/java/src/org/webrtc/MediaCodecVideoEncoder.java

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
  *     this list of conditions and the following disclaimer in the documentation
  *     and/or other materials provided with the distribution.
  *  3. The name of the author may not be used to endorse or promote products
  *     derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-
 package org.webrtc;
 
 import android.media.MediaCodec;
 import android.media.MediaCodecInfo.CodecCapabilities;
 import android.media.MediaCodecInfo;
 import android.media.MediaCodecList;
 import android.media.MediaFormat;
 import android.os.Build;
 import android.os.Bundle;
 
@@ skipping 16 matching lines @@
   private static final String TAG = "MediaCodecVideoEncoder";
 
   // Tracks webrtc::VideoCodecType.
   public enum VideoCodecType {
     VIDEO_CODEC_VP8,
     VIDEO_CODEC_VP9,
     VIDEO_CODEC_H264
   }
 
   private static final int DEQUEUE_TIMEOUT = 0;  // Non-blocking, no wait.
+  private static MediaCodecVideoEncoder instance = null;
   private Thread mediaCodecThread;
   private MediaCodec mediaCodec;
   private ByteBuffer[] outputBuffers;
   private static final String VP8_MIME_TYPE = "video/x-vnd.on2.vp8";
   private static final String H264_MIME_TYPE = "video/avc";
   // List of supported HW VP8 codecs.
   private static final String[] supportedVp8HwCodecPrefixes =
     {"OMX.qcom.", "OMX.Intel." };
   // List of supported HW H.264 codecs.
   private static final String[] supportedH264HwCodecPrefixes =
@@ skipping 21 matching lines @@
     CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar,
     COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m
   };
   private VideoCodecType type;
   private int colorFormat;  // Used by native code.
 
   // SPS and PPS NALs (Config frame) for H.264.
   private ByteBuffer configData = null;
 
   MediaCodecVideoEncoder() {
-    mediaCodecThread = null;
+    instance = this;
   }
 
   // Helper struct for findHwEncoder() below.
   private static class EncoderProperties {
     public EncoderProperties(String codecName, int colorFormat) {
       this.codecName = codecName;
       this.colorFormat = colorFormat;
     }
     public final String codecName; // OpenMax component name for HW codec.
     public final int colorFormat;  // Color format supported by codec.
@@ skipping 75 matching lines @@
   }
 
   private void checkOnMediaCodecThread() {
     if (mediaCodecThread.getId() != Thread.currentThread().getId()) {
       throw new RuntimeException(
           "MediaCodecVideoEncoder previously operated on " + mediaCodecThread +
           " but is now called on " + Thread.currentThread());
     }
   }
 
+  public static void printStackTrace() {
+    if (instance != null && instance.mediaCodecThread != null) {
+      StackTraceElement[] mediaCodecStackTraces = instance.mediaCodecThread.getStackTrace();
+      if (mediaCodecStackTraces.length > 0) {
+        Logging.d(TAG, "MediaCodecVideoEncoder stacks trace:");
+        for (StackTraceElement stackTrace : mediaCodecStackTraces) {
+          Logging.d(TAG, stackTrace.toString());
+        }
+      }
+    }
+  }
+
   static MediaCodec createByCodecName(String codecName) {
     try {
       // In the L-SDK this call can throw IOException so in order to work in
       // both cases catch an exception.
       return MediaCodec.createByCodecName(codecName);
     } catch (Exception e) {
       return null;
     }
   }
 
@@ skipping 26 matching lines @@
       MediaFormat format = MediaFormat.createVideoFormat(mime, width, height);
       format.setInteger(MediaFormat.KEY_BIT_RATE, 1000 * kbps);
       format.setInteger("bitrate-mode", VIDEO_ControlRateConstant);
       format.setInteger(MediaFormat.KEY_COLOR_FORMAT, properties.colorFormat);
       format.setInteger(MediaFormat.KEY_FRAME_RATE, fps);
       format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, keyFrameIntervalSec);
       Logging.d(TAG, "  Format: " + format);
       mediaCodec = createByCodecName(properties.codecName);
       this.type = type;
       if (mediaCodec == null) {
+        Logging.e(TAG, "Can not create media encoder");
         return false;
       }
       mediaCodec.configure(
           format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
 
       mediaCodec.start();
       outputBuffers = mediaCodec.getOutputBuffers();
 
     } catch (IllegalStateException e) {
       Logging.e(TAG, "initEncode failed", e);
@@ skipping 37 matching lines @@
     Logging.d(TAG, "Java releaseEncoder");
     checkOnMediaCodecThread();
     try {
       mediaCodec.stop();
       mediaCodec.release();
     } catch (IllegalStateException e) {
       Logging.e(TAG, "release failed", e);
     }
     mediaCodec = null;
     mediaCodecThread = null;
+    instance = null;
+    Logging.d(TAG, "Java releaseEncoder done");
   }
 
   private boolean setRates(int kbps, int frameRateIgnored) {
     // frameRate argument is ignored - HW encoder is supposed to use
     // video frame timestamps for bit allocation.
     checkOnMediaCodecThread();
     Logging.v(TAG, "setRates: " + kbps + " kbps. Fps: " + frameRateIgnored);
     try {
       Bundle params = new Bundle();
       params.putInt(MediaCodec.PARAMETER_KEY_VIDEO_BITRATE, 1000 * kbps);
@@ skipping 109 matching lines @@
     checkOnMediaCodecThread();
     try {
       mediaCodec.releaseOutputBuffer(index, false);
       return true;
     } catch (IllegalStateException e) {
       Logging.e(TAG, "releaseOutputBuffer failed", e);
       return false;
     }
   }
 }