text: /*
  **
  ** Copyright 2007, The Android Open Source Project
  **
  ** Licensed under the Apache License, Version 2.0 (the "License");
  ** you may not use this file except in compliance with the License.
  ** You may obtain a copy of the License at
  **
  **     http://www.apache.org/licenses/LICENSE-2.0
  **
  ** Unless required by applicable law or agreed to in writing, software
  ** distributed under the License is distributed on an "AS IS" BASIS,
  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ** See the License for the specific language governing permissions and
  ** limitations under the License.
  */
  
  //#define LOG_NDEBUG 0
  #define LOG_TAG "MediaPlayer-JNI"
  #include "utils/Log.h"
  
  #include <media/mediaplayer.h>
  #include <media/AudioResamplerPublic.h>
  #include <media/IMediaHTTPService.h>
  #include <media/MediaPlayerInterface.h>
  #include <media/MediaAnalyticsItem.h>
  #include <media/stagefright/foundation/ByteUtils.h>  // for FOURCC definition
  #include <stdio.h>
  #include <assert.h>
  #include <limits.h>
  #include <unistd.h>
  #include <fcntl.h>
  #include <utils/threads.h>
  #include "jni.h"
  #include <nativehelper/JNIHelp.h>
  #include "android_runtime/AndroidRuntime.h"
  #include "android_runtime/android_view_Surface.h"
  #include "android_runtime/Log.h"
  #include "utils/Errors.h"  // for status_t
  #include "utils/KeyedVector.h"
  #include "utils/String8.h"
  #include "android_media_MediaDataSource.h"
  #include "android_media_MediaMetricsJNI.h"
  #include "android_media_PlaybackParams.h"
  #include "android_media_SyncParams.h"
  #include "android_media_VolumeShaper.h"
  #include "android_media_Streams.h"
  
  #include "android_os_Parcel.h"
  #include "android_util_Binder.h"
  #include <binder/Parcel.h>
  #include <gui/IGraphicBufferProducer.h>
  #include <gui/Surface.h>
  #include <binder/IPCThreadState.h>
  #include <binder/IServiceManager.h>
  
  #include "android_util_Binder.h"
  
  // Modular DRM begin
  #define FIND_CLASS(var, className) \
  var = env->FindClass(className); \
  LOG_FATAL_IF(! (var), "Unable to find class " className);
  
  #define GET_METHOD_ID(var, clazz, fieldName, fieldDescriptor) \
  var = env->GetMethodID(clazz, fieldName, fieldDescriptor); \
  LOG_FATAL_IF(! (var), "Unable to find method " fieldName);
  
  struct StateExceptionFields {
      jmethodID init;
      jclass classId;
  };
  
  static StateExceptionFields gStateExceptionFields;
  // Modular DRM end
  
  // ----------------------------------------------------------------------------
  
  using namespace android;
  
  using media::VolumeShaper;
  
  // ----------------------------------------------------------------------------
  
  struct fields_t {
      jfieldID    context;
      jfieldID    surface_texture;
  
      jmethodID   post_event;
  
      jmethodID   proxyConfigGetHost;
      jmethodID   proxyConfigGetPort;
      jmethodID   proxyConfigGetExclusionList;
  };
  static fields_t fields;
  
  static PlaybackParams::fields_t gPlaybackParamsFields;
  static SyncParams::fields_t gSyncParamsFields;
  static VolumeShaperHelper::fields_t gVolumeShaperFields;
  
  static Mutex sLock;
  
  // ----------------------------------------------------------------------------
  // ref-counted object for callbacks
  class JNIMediaPlayerListener: public MediaPlayerListener
  {
  public:
      JNIMediaPlayerListener(JNIEnv* env, jobject thiz, jobject weak_thiz);
      ~JNIMediaPlayerListener();
      virtual void notify(int msg, int ext1, int ext2, const Parcel *obj = NULL);
  private:
      JNIMediaPlayerListener();
      jclass      mClass;     // Reference to MediaPlayer class
      jobject     mObject;    // Weak ref to MediaPlayer Java object to call on
  };
  
  JNIMediaPlayerListener::JNIMediaPlayerListener(JNIEnv* env, jobject thiz, jobject weak_thiz)
  {
  
      // Hold onto the MediaPlayer class for use in calling the static method
      // that posts events to the application thread.
      jclass clazz = env->GetObjectClass(thiz);
      if (clazz == NULL) {
          ALOGE("Can't find android/media/MediaPlayer");
          jniThrowException(env, "java/lang/Exception", NULL);
          return;
      }
      mClass = (jclass)env->NewGlobalRef(clazz);
  
      // We use a weak reference so the MediaPlayer object can be garbage collected.
      // The reference is only used as a proxy for callbacks.
      mObject  = env->NewGlobalRef(weak_thiz);
  }
  
  JNIMediaPlayerListener::~JNIMediaPlayerListener()
  {
      // remove global references
      JNIEnv *env = AndroidRuntime::getJNIEnv();
      env->DeleteGlobalRef(mObject);
      env->DeleteGlobalRef(mClass);
  }
  
  void JNIMediaPlayerListener::notify(int msg, int ext1, int ext2, const Parcel *obj)
  {
      JNIEnv *env = AndroidRuntime::getJNIEnv();
      if (obj && obj->dataSize() > 0) {
          jobject jParcel = createJavaParcelObject(env);
          if (jParcel != NULL) {
              Parcel* nativeParcel = parcelForJavaObject(env, jParcel);
              nativeParcel->setData(obj->data(), obj->dataSize());
              env->CallStaticVoidMethod(mClass, fields.post_event, mObject,
                      msg, ext1, ext2, jParcel);
              env->DeleteLocalRef(jParcel);
          }
      } else {
          env->CallStaticVoidMethod(mClass, fields.post_event, mObject,
                  msg, ext1, ext2, NULL);
      }
      if (env->ExceptionCheck()) {
          ALOGW("An exception occurred while notifying an event.");
          LOGW_EX(env);
          env->ExceptionClear();
      }
  }
  
  // ----------------------------------------------------------------------------
  
  static sp<MediaPlayer> getMediaPlayer(JNIEnv* env, jobject thiz)
  {
      Mutex::Autolock l(sLock);
      MediaPlayer* const p = (MediaPlayer*)env->GetLongField(thiz, fields.context);
      return sp<MediaPlayer>(p);
  }
  
  static sp<MediaPlayer> setMediaPlayer(JNIEnv* env, jobject thiz, const sp<MediaPlayer>& player)
  {
      Mutex::Autolock l(sLock);
      sp<MediaPlayer> old = (MediaPlayer*)env->GetLongField(thiz, fields.context);
      if (player.get()) {
          player->incStrong((void*)setMediaPlayer);
      }
      if (old != 0) {
          old->decStrong((void*)setMediaPlayer);
      }
      env->SetLongField(thiz, fields.context, (jlong)player.get());
      return old;
  }
  
  // If exception is NULL and opStatus is not OK, this method sends an error
  // event to the client application; otherwise, if exception is not NULL and
  // opStatus is not OK, this method throws the given exception to the client
  // application.
  static void process_media_player_call(JNIEnv *env, jobject thiz, status_t opStatus, const char* exception, const char *message)
  {
      if (exception == NULL) {  // Don't throw exception. Instead, send an event.
          if (opStatus != (status_t) OK) {
              sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
              if (mp != 0) mp->notify(MEDIA_ERROR, opStatus, 0);
          }
      } else {  // Throw exception!
          if ( opStatus == (status_t) INVALID_OPERATION ) {
              jniThrowException(env, "java/lang/IllegalStateException", NULL);
          } else if ( opStatus == (status_t) BAD_VALUE ) {
              jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
          } else if ( opStatus == (status_t) PERMISSION_DENIED ) {
              jniThrowException(env, "java/lang/SecurityException", NULL);
          } else if ( opStatus != (status_t) OK ) {
              if (strlen(message) > 230) {
                 // if the message is too long, don't bother displaying the status code
                 jniThrowException( env, exception, message);
              } else {
                 char msg[256];
                  // append the status code to the message
                 sprintf(msg, "%s: status=0x%X", message, opStatus);
                 jniThrowException( env, exception, msg);
              }
          }
      }
  }
  
  static void
  android_media_MediaPlayer_setDataSourceAndHeaders(
          JNIEnv *env, jobject thiz, jobject httpServiceBinderObj, jstring path,
          jobjectArray keys, jobjectArray values) {
  
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      if (path == NULL) {
          jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
          return;
      }
  
      const char *tmp = env->GetStringUTFChars(path, NULL);
      if (tmp == NULL) {  // Out of memory
          return;
      }
      ALOGV("setDataSource: path %s", tmp);
  
      String8 pathStr(tmp);
      env->ReleaseStringUTFChars(path, tmp);
      tmp = NULL;
  
      // We build a KeyedVector out of the key and val arrays
      KeyedVector<String8, String8> headersVector;
      if (!ConvertKeyValueArraysToKeyedVector(
              env, keys, values, &headersVector)) {
          return;
      }
  
      sp<IMediaHTTPService> httpService;
      if (httpServiceBinderObj != NULL) {
          sp<IBinder> binder = ibinderForJavaObject(env, httpServiceBinderObj);
          httpService = interface_cast<IMediaHTTPService>(binder);
      }
  
      status_t opStatus =
          mp->setDataSource(
                  httpService,
                  pathStr,
                  headersVector.size() > 0? &headersVector : NULL);
  
      process_media_player_call(
              env, thiz, opStatus, "java/io/IOException",
              "setDataSource failed." );
  }
  
  static void
  android_media_MediaPlayer_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      if (fileDescriptor == NULL) {
          jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
          return;
      }
      int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
      ALOGV("setDataSourceFD: fd %d", fd);
      process_media_player_call( env, thiz, mp->setDataSource(fd, offset, length), "java/io/IOException", "setDataSourceFD failed." );
  }
  
  static void
  android_media_MediaPlayer_setDataSourceCallback(JNIEnv *env, jobject thiz, jobject dataSource)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      if (dataSource == NULL) {
          jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
          return;
      }
      sp<IDataSource> callbackDataSource = new JMediaDataSource(env, dataSource);
      process_media_player_call(env, thiz, mp->setDataSource(callbackDataSource), "java/lang/RuntimeException", "setDataSourceCallback failed." );
  }
  
  static sp<IGraphicBufferProducer>
  getVideoSurfaceTexture(JNIEnv* env, jobject thiz) {
      IGraphicBufferProducer * const p = (IGraphicBufferProducer*)env->GetLongField(thiz, fields.surface_texture);
      return sp<IGraphicBufferProducer>(p);
  }
  
  static void
  decVideoSurfaceRef(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          return;
      }
  
      sp<IGraphicBufferProducer> old_st = getVideoSurfaceTexture(env, thiz);
      if (old_st != NULL) {
          old_st->decStrong((void*)decVideoSurfaceRef);
      }
  }
  
  static void
  setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface, jboolean mediaPlayerMustBeAlive)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          if (mediaPlayerMustBeAlive) {
              jniThrowException(env, "java/lang/IllegalStateException", NULL);
          }
          return;
      }
  
      decVideoSurfaceRef(env, thiz);
  
      sp<IGraphicBufferProducer> new_st;
      if (jsurface) {
          sp<Surface> surface(android_view_Surface_getSurface(env, jsurface));
          if (surface != NULL) {
              new_st = surface->getIGraphicBufferProducer();
              if (new_st == NULL) {
                  jniThrowException(env, "java/lang/IllegalArgumentException",
                      "The surface does not have a binding SurfaceTexture!");
                  return;
              }
              new_st->incStrong((void*)decVideoSurfaceRef);
          } else {
              jniThrowException(env, "java/lang/IllegalArgumentException",
                      "The surface has been released");
              return;
          }
      }
  
      env->SetLongField(thiz, fields.surface_texture, (jlong)new_st.get());
  
      // This will fail if the media player has not been initialized yet. This
      // can be the case if setDisplay() on MediaPlayer.java has been called
      // before setDataSource(). The redundant call to setVideoSurfaceTexture()
      // in prepare/prepareAsync covers for this case.
      mp->setVideoSurfaceTexture(new_st);
  }
  
  static void
  android_media_MediaPlayer_setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface)
  {
      setVideoSurface(env, thiz, jsurface, true /* mediaPlayerMustBeAlive */);
  }
  
  static void
  android_media_MediaPlayer_prepare(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      // Handle the case where the display surface was set before the mp was
      // initialized. We try again to make it stick.
      sp<IGraphicBufferProducer> st = getVideoSurfaceTexture(env, thiz);
      mp->setVideoSurfaceTexture(st);
  
      process_media_player_call( env, thiz, mp->prepare(), "java/io/IOException", "Prepare failed." );
  }
  
  static void
  android_media_MediaPlayer_prepareAsync(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      // Handle the case where the display surface was set before the mp was
      // initialized. We try again to make it stick.
      sp<IGraphicBufferProducer> st = getVideoSurfaceTexture(env, thiz);
      mp->setVideoSurfaceTexture(st);
  
      process_media_player_call( env, thiz, mp->prepareAsync(), "java/io/IOException", "Prepare Async failed." );
  }
  
  static void
  android_media_MediaPlayer_start(JNIEnv *env, jobject thiz)
  {
      ALOGV("start");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->start(), NULL, NULL );
  }
  
  static void
  android_media_MediaPlayer_stop(JNIEnv *env, jobject thiz)
  {
      ALOGV("stop");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->stop(), NULL, NULL );
  }
  
  static void
  android_media_MediaPlayer_pause(JNIEnv *env, jobject thiz)
  {
      ALOGV("pause");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->pause(), NULL, NULL );
  }
  
  static jboolean
  android_media_MediaPlayer_isPlaying(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return JNI_FALSE;
      }
      const jboolean is_playing = mp->isPlaying();
  
      ALOGV("isPlaying: %d", is_playing);
      return is_playing;
  }
  
  static void
  android_media_MediaPlayer_setPlaybackParams(JNIEnv *env, jobject thiz, jobject params)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      PlaybackParams pbp;
      pbp.fillFromJobject(env, gPlaybackParamsFields, params);
      ALOGV("setPlaybackParams: %d:%f %d:%f %d:%u %d:%u",
              pbp.speedSet, pbp.audioRate.mSpeed,
              pbp.pitchSet, pbp.audioRate.mPitch,
              pbp.audioFallbackModeSet, pbp.audioRate.mFallbackMode,
              pbp.audioStretchModeSet, pbp.audioRate.mStretchMode);
  
      AudioPlaybackRate rate;
      status_t err = mp->getPlaybackSettings(&rate);
      if (err == OK) {
          bool updatedRate = false;
          if (pbp.speedSet) {
              rate.mSpeed = pbp.audioRate.mSpeed;
              updatedRate = true;
          }
          if (pbp.pitchSet) {
              rate.mPitch = pbp.audioRate.mPitch;
              updatedRate = true;
          }
          if (pbp.audioFallbackModeSet) {
              rate.mFallbackMode = pbp.audioRate.mFallbackMode;
              updatedRate = true;
          }
          if (pbp.audioStretchModeSet) {
              rate.mStretchMode = pbp.audioRate.mStretchMode;
              updatedRate = true;
          }
          if (updatedRate) {
              err = mp->setPlaybackSettings(rate);
          }
      }
      process_media_player_call(
              env, thiz, err,
              "java/lang/IllegalStateException", "unexpected error");
  }
  
  static jobject
  android_media_MediaPlayer_getPlaybackParams(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return NULL;
      }
  
      PlaybackParams pbp;
      AudioPlaybackRate &audioRate = pbp.audioRate;
      process_media_player_call(
              env, thiz, mp->getPlaybackSettings(&audioRate),
              "java/lang/IllegalStateException", "unexpected error");
      if (env->ExceptionCheck()) {
          return nullptr;
      }
      ALOGV("getPlaybackSettings: %f %f %d %d",
              audioRate.mSpeed, audioRate.mPitch, audioRate.mFallbackMode, audioRate.mStretchMode);
  
      pbp.speedSet = true;
      pbp.pitchSet = true;
      pbp.audioFallbackModeSet = true;
      pbp.audioStretchModeSet = true;
  
      return pbp.asJobject(env, gPlaybackParamsFields);
  }
  
  static void
  android_media_MediaPlayer_setSyncParams(JNIEnv *env, jobject thiz, jobject params)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      SyncParams scp;
      scp.fillFromJobject(env, gSyncParamsFields, params);
      ALOGV("setSyncParams: %d:%d %d:%d %d:%f %d:%f",
            scp.syncSourceSet, scp.sync.mSource,
            scp.audioAdjustModeSet, scp.sync.mAudioAdjustMode,
            scp.toleranceSet, scp.sync.mTolerance,
            scp.frameRateSet, scp.frameRate);
  
      AVSyncSettings avsync;
      float videoFrameRate;
      status_t err = mp->getSyncSettings(&avsync, &videoFrameRate);
      if (err == OK) {
          bool updatedSync = scp.frameRateSet;
          if (scp.syncSourceSet) {
              avsync.mSource = scp.sync.mSource;
              updatedSync = true;
          }
          if (scp.audioAdjustModeSet) {
              avsync.mAudioAdjustMode = scp.sync.mAudioAdjustMode;
              updatedSync = true;
          }
          if (scp.toleranceSet) {
              avsync.mTolerance = scp.sync.mTolerance;
              updatedSync = true;
          }
          if (updatedSync) {
              err = mp->setSyncSettings(avsync, scp.frameRateSet ? scp.frameRate : -1.f);
          }
      }
      process_media_player_call(
              env, thiz, err,
              "java/lang/IllegalStateException", "unexpected error");
  }
  
  static jobject
  android_media_MediaPlayer_getSyncParams(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return NULL;
      }
  
      SyncParams scp;
      scp.frameRate = -1.f;
      process_media_player_call(
              env, thiz, mp->getSyncSettings(&scp.sync, &scp.frameRate),
              "java/lang/IllegalStateException", "unexpected error");
      if (env->ExceptionCheck()) {
          return nullptr;
      }
  
      ALOGV("getSyncSettings: %d %d %f %f",
              scp.sync.mSource, scp.sync.mAudioAdjustMode, scp.sync.mTolerance, scp.frameRate);
  
      // sanity check params
      if (scp.sync.mSource >= AVSYNC_SOURCE_MAX
              || scp.sync.mAudioAdjustMode >= AVSYNC_AUDIO_ADJUST_MODE_MAX
              || scp.sync.mTolerance < 0.f
              || scp.sync.mTolerance >= AVSYNC_TOLERANCE_MAX) {
          jniThrowException(env,  "java/lang/IllegalStateException", NULL);
          return NULL;
      }
  
      scp.syncSourceSet = true;
      scp.audioAdjustModeSet = true;
      scp.toleranceSet = true;
      scp.frameRateSet = scp.frameRate >= 0.f;
  
      return scp.asJobject(env, gSyncParamsFields);
  }
  
  static void
  android_media_MediaPlayer_seekTo(JNIEnv *env, jobject thiz, jlong msec, jint mode)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      ALOGV("seekTo: %lld(msec), mode=%d", (long long)msec, mode);
      process_media_player_call( env, thiz, mp->seekTo((int)msec, (MediaPlayerSeekMode)mode), NULL, NULL );
  }
  
  static void
  android_media_MediaPlayer_notifyAt(JNIEnv *env, jobject thiz, jlong mediaTimeUs)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      ALOGV("notifyAt: %lld", (long long)mediaTimeUs);
      process_media_player_call( env, thiz, mp->notifyAt((int64_t)mediaTimeUs), NULL, NULL );
  }
  
  static jint
  android_media_MediaPlayer_getVideoWidth(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
      int w;
      if (0 != mp->getVideoWidth(&w)) {
          ALOGE("getVideoWidth failed");
          w = 0;
      }
      ALOGV("getVideoWidth: %d", w);
      return (jint) w;
  }
  
  static jint
  android_media_MediaPlayer_getVideoHeight(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
      int h;
      if (0 != mp->getVideoHeight(&h)) {
          ALOGE("getVideoHeight failed");
          h = 0;
      }
      ALOGV("getVideoHeight: %d", h);
      return (jint) h;
  }
  
  static jobject
  android_media_MediaPlayer_native_getMetrics(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
  
      Parcel p;
      int key = FOURCC('m','t','r','X');
      status_t status = mp->getParameter(key, &p);
      if (status != OK) {
          ALOGD("getMetrics() failed: %d", status);
          return (jobject) NULL;
      }
  
      std::unique_ptr<MediaAnalyticsItem> item(MediaAnalyticsItem::create());
      item->readFromParcel(p);
      jobject mybundle = MediaMetricsJNI::writeMetricsToBundle(env, item.get(), NULL);
  
      return mybundle;
  }
  
  static jint
  android_media_MediaPlayer_getCurrentPosition(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
      int msec;
      process_media_player_call( env, thiz, mp->getCurrentPosition(&msec), NULL, NULL );
      ALOGV("getCurrentPosition: %d (msec)", msec);
      return (jint) msec;
  }
  
  static jint
  android_media_MediaPlayer_getDuration(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
      int msec;
      process_media_player_call( env, thiz, mp->getDuration(&msec), NULL, NULL );
      ALOGV("getDuration: %d (msec)", msec);
      return (jint) msec;
  }
  
  static void
  android_media_MediaPlayer_reset(JNIEnv *env, jobject thiz)
  {
      ALOGV("reset");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->reset(), NULL, NULL );
  }
  
  static void
  android_media_MediaPlayer_setAudioStreamType(JNIEnv *env, jobject thiz, jint streamtype)
  {
      ALOGV("setAudioStreamType: %d", streamtype);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->setAudioStreamType((audio_stream_type_t) streamtype) , NULL, NULL );
  }
  
  static jint
  android_media_MediaPlayer_getAudioStreamType(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
      audio_stream_type_t streamtype;
      process_media_player_call( env, thiz, mp->getAudioStreamType(&streamtype), NULL, NULL );
      ALOGV("getAudioStreamType: %d (streamtype)", streamtype);
      return (jint) streamtype;
  }
  
  static jboolean
  android_media_MediaPlayer_setParameter(JNIEnv *env, jobject thiz, jint key, jobject java_request)
  {
      ALOGV("setParameter: key %d", key);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return false;
      }
  
      Parcel *request = parcelForJavaObject(env, java_request);
      status_t err = mp->setParameter(key, *request);
      if (err == OK) {
          return true;
      } else {
          return false;
      }
  }
  
  static void
  android_media_MediaPlayer_setLooping(JNIEnv *env, jobject thiz, jboolean looping)
  {
      ALOGV("setLooping: %d", looping);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->setLooping(looping), NULL, NULL );
  }
  
  static jboolean
  android_media_MediaPlayer_isLooping(JNIEnv *env, jobject thiz)
  {
      ALOGV("isLooping");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return JNI_FALSE;
      }
      return mp->isLooping() ? JNI_TRUE : JNI_FALSE;
  }
  
  static void
  android_media_MediaPlayer_setVolume(JNIEnv *env, jobject thiz, jfloat leftVolume, jfloat rightVolume)
  {
      ALOGV("setVolume: left %f  right %f", (float) leftVolume, (float) rightVolume);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->setVolume((float) leftVolume, (float) rightVolume), NULL, NULL );
  }
  
  // Sends the request and reply parcels to the media player via the
  // binder interface.
  static jint
  android_media_MediaPlayer_invoke(JNIEnv *env, jobject thiz,
                                   jobject java_request, jobject java_reply)
  {
      sp<MediaPlayer> media_player = getMediaPlayer(env, thiz);
      if (media_player == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return UNKNOWN_ERROR;
      }
  
      Parcel *request = parcelForJavaObject(env, java_request);
      Parcel *reply = parcelForJavaObject(env, java_reply);
  
      // Don't use process_media_player_call which use the async loop to
      // report errors, instead returns the status.
      return (jint) media_player->invoke(*request, reply);
  }
  
  // Sends the new filter to the client.
  static jint
  android_media_MediaPlayer_setMetadataFilter(JNIEnv *env, jobject thiz, jobject request)
  {
      sp<MediaPlayer> media_player = getMediaPlayer(env, thiz);
      if (media_player == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return UNKNOWN_ERROR;
      }
  
      Parcel *filter = parcelForJavaObject(env, request);
  
      if (filter == NULL ) {
          jniThrowException(env, "java/lang/RuntimeException", "Filter is null");
          return UNKNOWN_ERROR;
      }
  
      return (jint) media_player->setMetadataFilter(*filter);
  }
  
  static jboolean
  android_media_MediaPlayer_getMetadata(JNIEnv *env, jobject thiz, jboolean update_only,
                                        jboolean apply_filter, jobject reply)
  {
      sp<MediaPlayer> media_player = getMediaPlayer(env, thiz);
      if (media_player == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return JNI_FALSE;
      }
  
      Parcel *metadata = parcelForJavaObject(env, reply);
  
      if (metadata == NULL ) {
          jniThrowException(env, "java/lang/RuntimeException", "Reply parcel is null");
          return JNI_FALSE;
      }
  
      metadata->freeData();
      // On return metadata is positioned at the beginning of the
      // metadata. Note however that the parcel actually starts with the
      // return code so you should not rewind the parcel using
      // setDataPosition(0).
      if (media_player->getMetadata(update_only, apply_filter, metadata) == OK) {
          return JNI_TRUE;
      } else {
          return JNI_FALSE;
      }
  }
  
  // This function gets some field IDs, which in turn causes class initialization.
  // It is called from a static block in MediaPlayer, which won't run until the
  // first time an instance of this class is used.
  static void
  android_media_MediaPlayer_native_init(JNIEnv *env)
  {
      jclass clazz;
  
      clazz = env->FindClass("android/media/MediaPlayer");
      if (clazz == NULL) {
          return;
      }
  
      fields.context = env->GetFieldID(clazz, "mNativeContext", "J");
      if (fields.context == NULL) {
          return;
      }
  
      fields.post_event = env->GetStaticMethodID(clazz, "postEventFromNative",
                                                 "(Ljava/lang/Object;IIILjava/lang/Object;)V");
      if (fields.post_event == NULL) {
          return;
      }
  
      fields.surface_texture = env->GetFieldID(clazz, "mNativeSurfaceTexture", "J");
      if (fields.surface_texture == NULL) {
          return;
      }
  
      env->DeleteLocalRef(clazz);
  
      clazz = env->FindClass("android/net/ProxyInfo");
      if (clazz == NULL) {
          return;
      }
  
      fields.proxyConfigGetHost =
          env->GetMethodID(clazz, "getHost", "()Ljava/lang/String;");
  
      fields.proxyConfigGetPort =
          env->GetMethodID(clazz, "getPort", "()I");
  
      fields.proxyConfigGetExclusionList =
          env->GetMethodID(clazz, "getExclusionListAsString", "()Ljava/lang/String;");
  
      env->DeleteLocalRef(clazz);
  
      // Modular DRM
      FIND_CLASS(clazz, "android/media/MediaDrm$MediaDrmStateException");
      if (clazz) {
          GET_METHOD_ID(gStateExceptionFields.init, clazz, "<init>", "(ILjava/lang/String;)V");
          gStateExceptionFields.classId = static_cast<jclass>(env->NewGlobalRef(clazz));
  
          env->DeleteLocalRef(clazz);
      } else {
          ALOGE("JNI android_media_MediaPlayer_native_init couldn't "
                "get clazz android/media/MediaDrm$MediaDrmStateException");
      }
  
      gPlaybackParamsFields.init(env);
      gSyncParamsFields.init(env);
      gVolumeShaperFields.init(env);
  }
  
  static void
  android_media_MediaPlayer_native_setup(JNIEnv *env, jobject thiz, jobject weak_this)
  {
      ALOGV("native_setup");
      sp<MediaPlayer> mp = new MediaPlayer();
      if (mp == NULL) {
          jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
          return;
      }
  
      // create new listener and give it to MediaPlayer
      sp<JNIMediaPlayerListener> listener = new JNIMediaPlayerListener(env, thiz, weak_this);
      mp->setListener(listener);
  
      // Stow our new C++ MediaPlayer in an opaque field in the Java object.
      setMediaPlayer(env, thiz, mp);
  }
  
  static void
  android_media_MediaPlayer_release(JNIEnv *env, jobject thiz)
  {
      ALOGV("release");
      decVideoSurfaceRef(env, thiz);
      sp<MediaPlayer> mp = setMediaPlayer(env, thiz, 0);
      if (mp != NULL) {
          // this prevents native callbacks after the object is released
          mp->setListener(0);
          mp->disconnect();
      }
  }
  
  static void
  android_media_MediaPlayer_native_finalize(JNIEnv *env, jobject thiz)
  {
      ALOGV("native_finalize");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp != NULL) {
          ALOGW("MediaPlayer finalized without being released");
      }
      android_media_MediaPlayer_release(env, thiz);
  }
  
  static void android_media_MediaPlayer_set_audio_session_id(JNIEnv *env,  jobject thiz,
          jint sessionId) {
      ALOGV("set_session_id(): %d", sessionId);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->setAudioSessionId((audio_session_t) sessionId), NULL,
              NULL);
  }
  
  static jint android_media_MediaPlayer_get_audio_session_id(JNIEnv *env,  jobject thiz) {
      ALOGV("get_session_id()");
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return 0;
      }
  
      return (jint) mp->getAudioSessionId();
  }
  
  static void
  android_media_MediaPlayer_setAuxEffectSendLevel(JNIEnv *env, jobject thiz, jfloat level)
  {
      ALOGV("setAuxEffectSendLevel: level %f", level);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->setAuxEffectSendLevel(level), NULL, NULL );
  }
  
  static void android_media_MediaPlayer_attachAuxEffect(JNIEnv *env,  jobject thiz, jint effectId) {
      ALOGV("attachAuxEffect(): %d", effectId);
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
      process_media_player_call( env, thiz, mp->attachAuxEffect(effectId), NULL, NULL );
  }
  
  static jint
  android_media_MediaPlayer_pullBatteryData(
          JNIEnv *env, jobject /* thiz */, jobject java_reply)
  {
      sp<IBinder> binder = defaultServiceManager()->getService(String16("media.player"));
      sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
      if (service.get() == NULL) {
          jniThrowException(env, "java/lang/RuntimeException", "cannot get MediaPlayerService");
          return UNKNOWN_ERROR;
      }
  
      Parcel *reply = parcelForJavaObject(env, java_reply);
  
      return (jint) service->pullBatteryData(reply);
  }
  
  static jint
  android_media_MediaPlayer_setRetransmitEndpoint(JNIEnv *env, jobject thiz,
                                                  jstring addrString, jint port) {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return INVALID_OPERATION;
      }
  
      const char *cAddrString = NULL;
  
      if (NULL != addrString) {
          cAddrString = env->GetStringUTFChars(addrString, NULL);
          if (cAddrString == NULL) {  // Out of memory
              return NO_MEMORY;
          }
      }
      ALOGV("setRetransmitEndpoint: %s:%d",
              cAddrString ? cAddrString : "(null)", port);
  
      status_t ret;
      if (cAddrString && (port > 0xFFFF)) {
          ret = BAD_VALUE;
      } else {
          ret = mp->setRetransmitEndpoint(cAddrString,
                  static_cast<uint16_t>(port));
      }
  
      if (NULL != addrString) {
          env->ReleaseStringUTFChars(addrString, cAddrString);
      }
  
      if (ret == INVALID_OPERATION ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
      }
  
      return (jint) ret;
  }
  
  static void
  android_media_MediaPlayer_setNextMediaPlayer(JNIEnv *env, jobject thiz, jobject java_player)
  {
      ALOGV("setNextMediaPlayer");
      sp<MediaPlayer> thisplayer = getMediaPlayer(env, thiz);
      if (thisplayer == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", "This player not initialized");
          return;
      }
      sp<MediaPlayer> nextplayer = (java_player == NULL) ? NULL : getMediaPlayer(env, java_player);
      if (nextplayer == NULL && java_player != NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", "That player not initialized");
          return;
      }
  
      if (nextplayer == thisplayer) {
          jniThrowException(env, "java/lang/IllegalArgumentException", "Next player can't be self");
          return;
      }
      // tie the two players together
      process_media_player_call(
              env, thiz, thisplayer->setNextMediaPlayer(nextplayer),
              "java/lang/IllegalArgumentException",
              "setNextMediaPlayer failed." );
      ;
  }
  
  // Pass through the arguments to the MediaServer player implementation.
  static jint android_media_MediaPlayer_applyVolumeShaper(JNIEnv *env, jobject thiz,
          jobject jconfig, jobject joperation) {
      // NOTE: hard code here to prevent platform issues. Must match VolumeShaper.java
      const int VOLUME_SHAPER_INVALID_OPERATION = -38;
  
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == nullptr) {
          return (jint)VOLUME_SHAPER_INVALID_OPERATION;
      }
  
      sp<VolumeShaper::Configuration> configuration;
      sp<VolumeShaper::Operation> operation;
      if (jconfig != nullptr) {
          configuration = VolumeShaperHelper::convertJobjectToConfiguration(
                  env, gVolumeShaperFields, jconfig);
          ALOGV("applyVolumeShaper configuration: %s", configuration->toString().c_str());
      }
      if (joperation != nullptr) {
          operation = VolumeShaperHelper::convertJobjectToOperation(
                  env, gVolumeShaperFields, joperation);
          ALOGV("applyVolumeShaper operation: %s", operation->toString().c_str());
      }
      VolumeShaper::Status status = mp->applyVolumeShaper(configuration, operation);
      if (status == INVALID_OPERATION) {
          status = VOLUME_SHAPER_INVALID_OPERATION;
      }
      return (jint)status; // if status < 0 an error, else a VolumeShaper id
  }
  
  // Pass through the arguments to the MediaServer player implementation.
  static jobject android_media_MediaPlayer_getVolumeShaperState(JNIEnv *env, jobject thiz,
          jint id) {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == nullptr) {
          return (jobject)nullptr;
      }
  
      sp<VolumeShaper::State> state = mp->getVolumeShaperState((int)id);
      if (state.get() == nullptr) {
          return (jobject)nullptr;
      }
      return VolumeShaperHelper::convertStateToJobject(env, gVolumeShaperFields, state);
  }
  
  /////////////////////////////////////////////////////////////////////////////////////
  // Modular DRM begin
  
  // TODO: investigate if these can be shared with their MediaDrm counterparts
  static void throwDrmStateException(JNIEnv *env, const char *msg, status_t err)
  {
      ALOGE("Illegal DRM state exception: %s (%d)", msg, err);
  
      jobject exception = env->NewObject(gStateExceptionFields.classId,
              gStateExceptionFields.init, static_cast<int>(err),
              env->NewStringUTF(msg));
      env->Throw(static_cast<jthrowable>(exception));
  }
  
  // TODO: investigate if these can be shared with their MediaDrm counterparts
  static bool throwDrmExceptionAsNecessary(JNIEnv *env, status_t err, const char *msg = NULL)
  {
      const char *drmMessage = "Unknown DRM Msg";
  
      switch (err) {
      case ERROR_DRM_UNKNOWN:
          drmMessage = "General DRM error";
          break;
      case ERROR_DRM_NO_LICENSE:
          drmMessage = "No license";
          break;
      case ERROR_DRM_LICENSE_EXPIRED:
          drmMessage = "License expired";
          break;
      case ERROR_DRM_SESSION_NOT_OPENED:
          drmMessage = "Session not opened";
          break;
      case ERROR_DRM_DECRYPT_UNIT_NOT_INITIALIZED:
          drmMessage = "Not initialized";
          break;
      case ERROR_DRM_DECRYPT:
          drmMessage = "Decrypt error";
          break;
      case ERROR_DRM_CANNOT_HANDLE:
          drmMessage = "Unsupported scheme or data format";
          break;
      case ERROR_DRM_TAMPER_DETECTED:
          drmMessage = "Invalid state";
          break;
      default:
          break;
      }
  
      String8 vendorMessage;
      if (err >= ERROR_DRM_VENDOR_MIN && err <= ERROR_DRM_VENDOR_MAX) {
          vendorMessage = String8::format("DRM vendor-defined error: %d", err);
          drmMessage = vendorMessage.string();
      }
  
      if (err == BAD_VALUE) {
          jniThrowException(env, "java/lang/IllegalArgumentException", msg);
          return true;
      } else if (err == ERROR_DRM_NOT_PROVISIONED) {
          jniThrowException(env, "android/media/NotProvisionedException", msg);
          return true;
      } else if (err == ERROR_DRM_RESOURCE_BUSY) {
          jniThrowException(env, "android/media/ResourceBusyException", msg);
          return true;
      } else if (err == ERROR_DRM_DEVICE_REVOKED) {
          jniThrowException(env, "android/media/DeniedByServerException", msg);
          return true;
      } else if (err == DEAD_OBJECT) {
          jniThrowException(env, "android/media/MediaDrmResetException",
                            "mediaserver died");
          return true;
      } else if (err != OK) {
          String8 errbuf;
          if (drmMessage != NULL) {
              if (msg == NULL) {
                  msg = drmMessage;
              } else {
                  errbuf = String8::format("%s: %s", msg, drmMessage);
                  msg = errbuf.string();
              }
          }
          throwDrmStateException(env, msg, err);
          return true;
      }
      return false;
  }
  
  static Vector<uint8_t> JByteArrayToVector(JNIEnv *env, jbyteArray const &byteArray)
  {
      Vector<uint8_t> vector;
      size_t length = env->GetArrayLength(byteArray);
      vector.insertAt((size_t)0, length);
      env->GetByteArrayRegion(byteArray, 0, length, (jbyte *)vector.editArray());
      return vector;
  }
  
  static void android_media_MediaPlayer_prepareDrm(JNIEnv *env, jobject thiz,
                      jbyteArray uuidObj, jbyteArray drmSessionIdObj)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      if (uuidObj == NULL) {
          jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
          return;
      }
  
      Vector<uint8_t> uuid = JByteArrayToVector(env, uuidObj);
  
      if (uuid.size() != 16) {
          jniThrowException(
                            env,
                            "java/lang/IllegalArgumentException",
                            "invalid UUID size, expected 16 bytes");
          return;
      }
  
      Vector<uint8_t> drmSessionId = JByteArrayToVector(env, drmSessionIdObj);
  
      if (drmSessionId.size() == 0) {
          jniThrowException(
                            env,
                            "java/lang/IllegalArgumentException",
                            "empty drmSessionId");
          return;
      }
  
      status_t err = mp->prepareDrm(uuid.array(), drmSessionId);
      if (err != OK) {
          if (err == INVALID_OPERATION) {
              jniThrowException(
                                env,
                                "java/lang/IllegalStateException",
                                "The player must be in prepared state.");
          } else if (err == ERROR_DRM_CANNOT_HANDLE) {
              jniThrowException(
                                env,
                                "android/media/UnsupportedSchemeException",
                                "Failed to instantiate drm object.");
          } else {
              throwDrmExceptionAsNecessary(env, err, "Failed to prepare DRM scheme");
          }
      }
  }
  
  static void android_media_MediaPlayer_releaseDrm(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL ) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          return;
      }
  
      status_t err = mp->releaseDrm();
      if (err != OK) {
          if (err == INVALID_OPERATION) {
              jniThrowException(
                                env,
                                "java/lang/IllegalStateException",
                                "Can not release DRM in an active player state.");
          }
      }
  }
  // Modular DRM end
  // ----------------------------------------------------------------------------
  
  /////////////////////////////////////////////////////////////////////////////////////
  // AudioRouting begin
  static jboolean android_media_MediaPlayer_setOutputDevice(JNIEnv *env, jobject thiz, jint device_id)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          return false;
      }
      return mp->setOutputDevice(device_id) == NO_ERROR;
  }
  
  static jint android_media_MediaPlayer_getRoutedDeviceId(JNIEnv *env, jobject thiz)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          return AUDIO_PORT_HANDLE_NONE;
      }
      return mp->getRoutedDeviceId();
  }
  
  static void android_media_MediaPlayer_enableDeviceCallback(
          JNIEnv* env, jobject thiz, jboolean enabled)
  {
      sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
      if (mp == NULL) {
          return;
      }
  
      status_t status = mp->enableAudioDeviceCallback(enabled);
      if (status != NO_ERROR) {
          jniThrowException(env, "java/lang/IllegalStateException", NULL);
          ALOGE("enable device callback failed: %d", status);
      }
  }
  
  // AudioRouting end
  // ----------------------------------------------------------------------------
  
  static const JNINativeMethod gMethods[] = {
      {
          "nativeSetDataSource",
          "(Landroid/os/IBinder;Ljava/lang/String;[Ljava/lang/String;"
          "[Ljava/lang/String;)V",
          (void *)android_media_MediaPlayer_setDataSourceAndHeaders
      },
  
      {"_setDataSource",      "(Ljava/io/FileDescriptor;JJ)V",    (void *)android_media_MediaPlayer_setDataSourceFD},
      {"_setDataSource",      "(Landroid/media/MediaDataSource;)V",(void *)android_media_MediaPlayer_setDataSourceCallback },
      {"_setVideoSurface",    "(Landroid/view/Surface;)V",        (void *)android_media_MediaPlayer_setVideoSurface},
      {"_prepare",            "()V",                              (void *)android_media_MediaPlayer_prepare},
      {"prepareAsync",        "()V",                              (void *)android_media_MediaPlayer_prepareAsync},
      {"_start",              "()V",                              (void *)android_media_MediaPlayer_start},
      {"_stop",               "()V",                              (void *)android_media_MediaPlayer_stop},
      {"getVideoWidth",       "()I",                              (void *)android_media_MediaPlayer_getVideoWidth},
      {"getVideoHeight",      "()I",                              (void *)android_media_MediaPlayer_getVideoHeight},
      {"native_getMetrics",   "()Landroid/os/PersistableBundle;", (void *)android_media_MediaPlayer_native_getMetrics},
      {"setPlaybackParams", "(Landroid/media/PlaybackParams;)V", (void *)android_media_MediaPlayer_setPlaybackParams},
      {"getPlaybackParams", "()Landroid/media/PlaybackParams;", (void *)android_media_MediaPlayer_getPlaybackParams},
      {"setSyncParams",     "(Landroid/media/SyncParams;)V",  (void *)android_media_MediaPlayer_setSyncParams},
      {"getSyncParams",     "()Landroid/media/SyncParams;",   (void *)android_media_MediaPlayer_getSyncParams},
      {"_seekTo",             "(JI)V",                            (void *)android_media_MediaPlayer_seekTo},
      {"_notifyAt",           "(J)V",                             (void *)android_media_MediaPlayer_notifyAt},
      {"_pause",              "()V",                              (void *)android_media_MediaPlayer_pause},
      {"isPlaying",           "()Z",                              (void *)android_media_MediaPlayer_isPlaying},
      {"getCurrentPosition",  "()I",                              (void *)android_media_MediaPlayer_getCurrentPosition},
      {"getDuration",         "()I",                              (void *)android_media_MediaPlayer_getDuration},
      {"_release",            "()V",                              (void *)android_media_MediaPlayer_release},
      {"_reset",              "()V",                              (void *)android_media_MediaPlayer_reset},
      {"_setAudioStreamType", "(I)V",                             (void *)android_media_MediaPlayer_setAudioStreamType},
      {"_getAudioStreamType", "()I",                              (void *)android_media_MediaPlayer_getAudioStreamType},
      {"setParameter",        "(ILandroid/os/Parcel;)Z",          (void *)android_media_MediaPlayer_setParameter},
      {"setLooping",          "(Z)V",                             (void *)android_media_MediaPlayer_setLooping},
      {"isLooping",           "()Z",                              (void *)android_media_MediaPlayer_isLooping},
      {"_setVolume",          "(FF)V",                            (void *)android_media_MediaPlayer_setVolume},
      {"native_invoke",       "(Landroid/os/Parcel;Landroid/os/Parcel;)I",(void *)android_media_MediaPlayer_invoke},
      {"native_setMetadataFilter", "(Landroid/os/Parcel;)I",      (void *)android_media_MediaPlayer_setMetadataFilter},
      {"native_getMetadata", "(ZZLandroid/os/Parcel;)Z",          (void *)android_media_MediaPlayer_getMetadata},
      {"native_init",         "()V",                              (void *)android_media_MediaPlayer_native_init},
      {"native_setup",        "(Ljava/lang/Object;)V",            (void *)android_media_MediaPlayer_native_setup},
      {"native_finalize",     "()V",                              (void *)android_media_MediaPlayer_native_finalize},
      {"getAudioSessionId",   "()I",                              (void *)android_media_MediaPlayer_get_audio_session_id},
      {"setAudioSessionId",   "(I)V",                             (void *)android_media_MediaPlayer_set_audio_session_id},
      {"_setAuxEffectSendLevel", "(F)V",                          (void *)android_media_MediaPlayer_setAuxEffectSendLevel},
      {"attachAuxEffect",     "(I)V",                             (void *)android_media_MediaPlayer_attachAuxEffect},
      {"native_pullBatteryData", "(Landroid/os/Parcel;)I",        (void *)android_media_MediaPlayer_pullBatteryData},
      {"native_setRetransmitEndpoint", "(Ljava/lang/String;I)I",  (void *)android_media_MediaPlayer_setRetransmitEndpoint},
      {"setNextMediaPlayer",  "(Landroid/media/MediaPlayer;)V",   (void *)android_media_MediaPlayer_setNextMediaPlayer},
      {"native_applyVolumeShaper",
                              "(Landroid/media/VolumeShaper$Configuration;Landroid/media/VolumeShaper$Operation;)I",
                                                                  (void *)android_media_MediaPlayer_applyVolumeShaper},
      {"native_getVolumeShaperState",
                              "(I)Landroid/media/VolumeShaper$State;",
                                                                  (void *)android_media_MediaPlayer_getVolumeShaperState},
      // Modular DRM
      { "_prepareDrm", "([B[B)V",                                 (void *)android_media_MediaPlayer_prepareDrm },
      { "_releaseDrm", "()V",                                     (void *)android_media_MediaPlayer_releaseDrm },
  
      // AudioRouting
      {"native_setOutputDevice", "(I)Z",                          (void *)android_media_MediaPlayer_setOutputDevice},
      {"native_getRoutedDeviceId", "()I",                         (void *)android_media_MediaPlayer_getRoutedDeviceId},
      {"native_enableDeviceCallback", "(Z)V",                     (void *)android_media_MediaPlayer_enableDeviceCallback},
  };
  
  // This function only registers the native methods
  static int register_android_media_MediaPlayer(JNIEnv *env)
  {
      return AndroidRuntime::registerNativeMethods(env,
                  "android/media/MediaPlayer", gMethods, NELEM(gMethods));
  }
  extern int register_android_media_ImageReader(JNIEnv *env);
  extern int register_android_media_ImageWriter(JNIEnv *env);
  extern int register_android_media_Crypto(JNIEnv *env);
  extern int register_android_media_Drm(JNIEnv *env);
  extern int register_android_media_Descrambler(JNIEnv *env);
  extern int register_android_media_MediaCodec(JNIEnv *env);
  extern int register_android_media_MediaExtractor(JNIEnv *env);
  extern int register_android_media_MediaCodecList(JNIEnv *env);
  extern int register_android_media_MediaHTTPConnection(JNIEnv *env);
  extern int register_android_media_MediaMetadataRetriever(JNIEnv *env);
  extern int register_android_media_MediaMuxer(JNIEnv *env);
  extern int register_android_media_MediaRecorder(JNIEnv *env);
  extern int register_android_media_MediaScanner(JNIEnv *env);
  extern int register_android_media_MediaSync(JNIEnv *env);
  extern int register_android_media_ResampleInputStream(JNIEnv *env);
  extern int register_android_media_MediaProfiles(JNIEnv *env);
  extern int register_android_mtp_MtpDatabase(JNIEnv *env);
  extern int register_android_mtp_MtpDevice(JNIEnv *env);
  extern int register_android_mtp_MtpServer(JNIEnv *env);
  
  jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
  {
      JNIEnv* env = NULL;
      jint result = -1;
  
      if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
          ALOGE("ERROR: GetEnv failed\n");
          goto bail;
      }
      assert(env != NULL);
  
      if (register_android_media_ImageWriter(env) != JNI_OK) {
          ALOGE("ERROR: ImageWriter native registration failed");
          goto bail;
      }
  
      if (register_android_media_ImageReader(env) < 0) {
          ALOGE("ERROR: ImageReader native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaPlayer(env) < 0) {
          ALOGE("ERROR: MediaPlayer native registration failed\n");
          goto bail;
      }
  
      if (register_android_media_MediaRecorder(env) < 0) {
          ALOGE("ERROR: MediaRecorder native registration failed\n");
          goto bail;
      }
  
      if (register_android_media_MediaScanner(env) < 0) {
          ALOGE("ERROR: MediaScanner native registration failed\n");
          goto bail;
      }
  
      if (register_android_media_MediaMetadataRetriever(env) < 0) {
          ALOGE("ERROR: MediaMetadataRetriever native registration failed\n");
          goto bail;
      }
  
      if (register_android_media_ResampleInputStream(env) < 0) {
          ALOGE("ERROR: ResampleInputStream native registration failed\n");
          goto bail;
      }
  
      if (register_android_media_MediaProfiles(env) < 0) {
          ALOGE("ERROR: MediaProfiles native registration failed");
          goto bail;
      }
  
      if (register_android_mtp_MtpDatabase(env) < 0) {
          ALOGE("ERROR: MtpDatabase native registration failed");
          goto bail;
      }
  
      if (register_android_mtp_MtpDevice(env) < 0) {
          ALOGE("ERROR: MtpDevice native registration failed");
          goto bail;
      }
  
      if (register_android_mtp_MtpServer(env) < 0) {
          ALOGE("ERROR: MtpServer native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaCodec(env) < 0) {
          ALOGE("ERROR: MediaCodec native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaSync(env) < 0) {
          ALOGE("ERROR: MediaSync native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaExtractor(env) < 0) {
          ALOGE("ERROR: MediaCodec native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaMuxer(env) < 0) {
          ALOGE("ERROR: MediaMuxer native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaCodecList(env) < 0) {
          ALOGE("ERROR: MediaCodec native registration failed");
          goto bail;
      }
  
      if (register_android_media_Crypto(env) < 0) {
          ALOGE("ERROR: MediaCodec native registration failed");
          goto bail;
      }
  
      if (register_android_media_Drm(env) < 0) {
          ALOGE("ERROR: MediaDrm native registration failed");
          goto bail;
      }
  
      if (register_android_media_Descrambler(env) < 0) {
          ALOGE("ERROR: MediaDescrambler native registration failed");
          goto bail;
      }
  
      if (register_android_media_MediaHTTPConnection(env) < 0) {
          ALOGE("ERROR: MediaHTTPConnection native registration failed");
          goto bail;
      }
  
      /* success -- return valid version number */
      result = JNI_VERSION_1_4;
  
  bail:
      return result;
  }
  
  // KTHXBYE
  