Fix for "Android audio playout doesn't support non-call media stream"

webrtc/modules/audio_device/android/opensles_player.h

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 112 matching lines @@
 
   // Stores thread ID in first call to SimpleBufferQueueCallback() from internal
   // non-application thread which is not attached to the Dalvik JVM.
   // Detached during construction of this object.
   rtc::ThreadChecker thread_checker_opensles_;
 
   // Contains audio parameters provided to this class at construction by the
   // AudioManager.
   const AudioParameters audio_parameters_;
 
+  // Contains the stream type provided to this class at construction by the
+  // AudioManager. Possible input values are:
+  //  - AudioManager.STREAM_VOICE_CALL = 0
+  //  - AudioManager.STREAM_RING = 2
+  //  - AudioManager.STREAM_MUSIC = 3
+  // These value are mapped to the corresponding audio playback stream type
+  // values in the "OpenSL ES domain":
+  // - SL_ANDROID_STREAM_VOICE <=> STREAM_VOICE_CALL (0)
+  // - SL_ANDROID_STREAM_RING <=> STREAM_RING (2)
+  // - SL_ANDROID_STREAM_MEDIA <=> STREAM_MUSIC (3)
+  // when creating the audio player. See SLES/OpenSLES_AndroidConfiguration.h
+  // for details.
+  const int stream_type_;
+
   // Raw pointer handle provided to us in AttachAudioBuffer(). Owned by the
   // AudioDeviceModuleImpl class and called by AudioDeviceModuleImpl::Create().
   AudioDeviceBuffer* audio_device_buffer_;
 
   bool initialized_;
   bool playing_;
 
   // PCM-type format definition.
   // TODO(henrika): add support for SLAndroidDataFormat_PCM_EX (android-21) if
   // 32-bit float representation is needed.
@@ skipping 50 matching lines @@
   SLAndroidSimpleBufferQueueItf simple_buffer_queue_;
 
   // This interface exposes controls for manipulating the object’s audio volume
   // properties. This interface is supported on the Audio Player object.
   SLVolumeItf volume_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_OPENSLES_PLAYER_H_