/* ** ** Copyright 2017, 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 "MediaPlayer2-JNI" #include "utils/Log.h" #include <sys/stat.h> #include <media/AudioResamplerPublic.h> #include <media/DataSourceDesc.h> #include <media/MediaHTTPService.h> #include <media/MediaAnalyticsItem.h> #include <media/NdkWrapper.h> #include <media/stagefright/Utils.h> #include <media/stagefright/foundation/ByteUtils.h> // for FOURCC definition #include <mediaplayer2/JAudioTrack.h> #include <mediaplayer2/JavaVMHelper.h> #include <mediaplayer2/JMedia2HTTPService.h> #include <mediaplayer2/mediaplayer2.h> #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/native_window_jni.h" #include "log/log.h" #include "utils/Errors.h" // for status_t #include "utils/KeyedVector.h" #include "utils/String8.h" #include "android_media_BufferingParams.h" #include "android_media_DataSourceCallback.h" #include "android_media_MediaMetricsJNI.h" #include "android_media_PlaybackParams.h" #include "android_media_SyncParams.h" #include "android_media_VolumeShaper.h" #include "android_os_Parcel.h" #include "android_util_Binder.h" #include <binder/Parcel.h> #include "mediaplayer2.pb.h" using android::media::MediaPlayer2Proto::PlayerMessage; // 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; // passed from Java to native, used for creating JWakeLock jfieldID nativeContext; // mNativeContext in MediaPlayer2.java jfieldID surface_texture; jmethodID post_event; jmethodID proxyConfigGetHost; jmethodID proxyConfigGetPort; jmethodID proxyConfigGetExclusionList; }; static fields_t fields; static BufferingParams::fields_t gBufferingParamsFields; static PlaybackParams::fields_t gPlaybackParamsFields; static SyncParams::fields_t gSyncParamsFields; static VolumeShaperHelper::fields_t gVolumeShaperFields; static Mutex sLock; static bool ConvertKeyValueArraysToKeyedVector( JNIEnv *env, jobjectArray keys, jobjectArray values, KeyedVector<String8, String8>* keyedVector) { int nKeyValuePairs = 0; bool failed = false; if (keys != NULL && values != NULL) { nKeyValuePairs = env->GetArrayLength(keys); failed = (nKeyValuePairs != env->GetArrayLength(values)); } if (!failed) { failed = ((keys != NULL && values == NULL) || (keys == NULL && values != NULL)); } if (failed) { ALOGE("keys and values arrays have different length"); jniThrowException(env, "java/lang/IllegalArgumentException", NULL); return false; } for (int i = 0; i < nKeyValuePairs; ++i) { // No need to check on the ArrayIndexOutOfBoundsException, since // it won't happen here. jstring key = (jstring) env->GetObjectArrayElement(keys, i); jstring value = (jstring) env->GetObjectArrayElement(values, i); const char* keyStr = env->GetStringUTFChars(key, NULL); if (!keyStr) { // OutOfMemoryError return false; } const char* valueStr = env->GetStringUTFChars(value, NULL); if (!valueStr) { // OutOfMemoryError env->ReleaseStringUTFChars(key, keyStr); return false; } keyedVector->add(String8(keyStr), String8(valueStr)); env->ReleaseStringUTFChars(key, keyStr); env->ReleaseStringUTFChars(value, valueStr); env->DeleteLocalRef(key); env->DeleteLocalRef(value); } return true; } // ---------------------------------------------------------------------------- // ref-counted object for callbacks class JNIMediaPlayer2Listener: public MediaPlayer2Listener { public: JNIMediaPlayer2Listener(JNIEnv* env, jobject thiz, jobject weak_thiz); ~JNIMediaPlayer2Listener(); virtual void notify(int64_t srcId, int msg, int ext1, int ext2, const PlayerMessage *obj = NULL) override; private: JNIMediaPlayer2Listener(); jclass mClass; // Reference to MediaPlayer2 class jobject mObject; // Weak ref to MediaPlayer2 Java object to call on }; JNIMediaPlayer2Listener::JNIMediaPlayer2Listener(JNIEnv* env, jobject thiz, jobject weak_thiz) { // Hold onto the MediaPlayer2 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/MediaPlayer2"); jniThrowException(env, "java/lang/Exception", NULL); return; } mClass = (jclass)env->NewGlobalRef(clazz); // We use a weak reference so the MediaPlayer2 object can be garbage collected. // The reference is only used as a proxy for callbacks. mObject = env->NewGlobalRef(weak_thiz); } JNIMediaPlayer2Listener::~JNIMediaPlayer2Listener() { // remove global references JNIEnv *env = JavaVMHelper::getJNIEnv(); env->DeleteGlobalRef(mObject); env->DeleteGlobalRef(mClass); } void JNIMediaPlayer2Listener::notify(int64_t srcId, int msg, int ext1, int ext2, const PlayerMessage* obj) { JNIEnv *env = JavaVMHelper::getJNIEnv(); if (obj != NULL) { int size = obj->ByteSize(); jbyte* temp = new jbyte[size]; obj->SerializeToArray(temp, size); // return the response as a byte array. jbyteArray out = env->NewByteArray(size); env->SetByteArrayRegion(out, 0, size, temp); env->CallStaticVoidMethod(mClass, fields.post_event, mObject, srcId, msg, ext1, ext2, out); delete[] temp; } else { env->CallStaticVoidMethod(mClass, fields.post_event, mObject, srcId, msg, ext1, ext2, NULL); } if (env->ExceptionCheck()) { ALOGW("An exception occurred while notifying an event."); jniLogException(env, ANDROID_LOG_WARN, LOG_TAG); env->ExceptionClear(); } } // ---------------------------------------------------------------------------- static sp<MediaPlayer2> getMediaPlayer(JNIEnv* env, jobject thiz) { Mutex::Autolock l(sLock); MediaPlayer2* const p = (MediaPlayer2*)env->GetLongField(thiz, fields.nativeContext); return sp<MediaPlayer2>(p); } static sp<MediaPlayer2> setMediaPlayer(JNIEnv* env, jobject thiz, const sp<MediaPlayer2>& player) { Mutex::Autolock l(sLock); sp<MediaPlayer2> old = (MediaPlayer2*)env->GetLongField(thiz, fields.nativeContext); if (player.get()) { player->incStrong((void*)setMediaPlayer); } if (old != 0) { old->decStrong((void*)setMediaPlayer); } env->SetLongField(thiz, fields.nativeContext, (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<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp != 0) { int64_t srcId = 0; mp->getSrcId(&srcId); mp->notify(srcId, MEDIA2_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_MediaPlayer2_handleDataSourceUrl( JNIEnv *env, jobject thiz, jboolean isCurrent, jlong srcId, jobject httpServiceObj, jstring path, jobjectArray keys, jobjectArray values, jlong startPos, jlong endPos) { sp<MediaPlayer2> 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("handleDataSourceUrl: path %s, srcId %lld, start %lld, end %lld", tmp, (long long)srcId, (long long)startPos, (long long)endPos); if (strncmp(tmp, "content://", 10) == 0) { ALOGE("handleDataSourceUrl: content scheme is not supported in native code"); jniThrowException(env, "java/io/IOException", "content scheme is not supported in native code"); return; } sp<DataSourceDesc> dsd = new DataSourceDesc(); dsd->mId = srcId; dsd->mType = DataSourceDesc::TYPE_URL; dsd->mUrl = tmp; dsd->mStartPositionMs = startPos; dsd->mEndPositionMs = endPos; env->ReleaseStringUTFChars(path, tmp); tmp = NULL; // We build a KeyedVector out of the key and val arrays if (!ConvertKeyValueArraysToKeyedVector( env, keys, values, &dsd->mHeaders)) { return; } sp<MediaHTTPService> httpService; if (httpServiceObj != NULL) { httpService = new JMedia2HTTPService(env, httpServiceObj); } dsd->mHttpService = httpService; status_t err; if (isCurrent) { err = mp->setDataSource(dsd); } else { err = mp->prepareNextDataSource(dsd); } process_media_player_call(env, thiz, err, "java/io/IOException", "handleDataSourceUrl failed." ); } static void android_media_MediaPlayer2_handleDataSourceFD( JNIEnv *env, jobject thiz, jboolean isCurrent, jlong srcId, jobject fileDescriptor, jlong offset, jlong length, jlong startPos, jlong endPos) { sp<MediaPlayer2> 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("handleDataSourceFD: srcId=%lld, fd=%d (%s), offset=%lld, length=%lld, " "start=%lld, end=%lld", (long long)srcId, fd, nameForFd(fd).c_str(), (long long)offset, (long long)length, (long long)startPos, (long long)endPos); struct stat sb; int ret = fstat(fd, &sb); if (ret != 0) { ALOGE("handleDataSourceFD: fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); jniThrowException(env, "java/io/IOException", "handleDataSourceFD failed fstat"); return; } ALOGV("st_dev = %llu", static_cast<unsigned long long>(sb.st_dev)); ALOGV("st_mode = %u", sb.st_mode); ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid)); ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid)); ALOGV("st_size = %llu", static_cast<unsigned long long>(sb.st_size)); if (offset >= sb.st_size) { ALOGE("handleDataSourceFD: offset is out of range"); jniThrowException(env, "java/lang/IllegalArgumentException", "handleDataSourceFD failed, offset is out of range."); return; } if (offset + length > sb.st_size) { length = sb.st_size - offset; ALOGV("handleDataSourceFD: adjusted length = %lld", (long long)length); } sp<DataSourceDesc> dsd = new DataSourceDesc(); dsd->mId = srcId; dsd->mType = DataSourceDesc::TYPE_FD; dsd->mFD = fd; dsd->mFDOffset = offset; dsd->mFDLength = length; dsd->mStartPositionMs = startPos; dsd->mEndPositionMs = endPos; status_t err; if (isCurrent) { err = mp->setDataSource(dsd); } else { err = mp->prepareNextDataSource(dsd); } process_media_player_call(env, thiz, err, "java/io/IOException", "handleDataSourceFD failed." ); } static void android_media_MediaPlayer2_handleDataSourceCallback( JNIEnv *env, jobject thiz, jboolean isCurrent, jlong srcId, jobject dataSource, jlong startPos, jlong endPos) { sp<MediaPlayer2> 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<DataSource> callbackDataSource = new JDataSourceCallback(env, dataSource); sp<DataSourceDesc> dsd = new DataSourceDesc(); dsd->mId = srcId; dsd->mType = DataSourceDesc::TYPE_CALLBACK; dsd->mCallbackSource = callbackDataSource; dsd->mStartPositionMs = startPos; dsd->mEndPositionMs = endPos; status_t err; if (isCurrent) { err = mp->setDataSource(dsd); } else { err = mp->prepareNextDataSource(dsd); } process_media_player_call(env, thiz, err, "java/lang/RuntimeException", "handleDataSourceCallback failed." ); } static sp<ANativeWindowWrapper> getVideoSurfaceTexture(JNIEnv* env, jobject thiz) { ANativeWindow * const p = (ANativeWindow*)env->GetLongField(thiz, fields.surface_texture); return new ANativeWindowWrapper(p); } static void decVideoSurfaceRef(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { return; } ANativeWindow * const old_anw = (ANativeWindow*)env->GetLongField(thiz, fields.surface_texture); if (old_anw != NULL) { ANativeWindow_release(old_anw); env->SetLongField(thiz, fields.surface_texture, (jlong)NULL); } } static void setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface, jboolean mediaPlayerMustBeAlive) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { if (mediaPlayerMustBeAlive) { jniThrowException(env, "java/lang/IllegalStateException", NULL); } return; } decVideoSurfaceRef(env, thiz); ANativeWindow* anw = NULL; if (jsurface) { anw = ANativeWindow_fromSurface(env, jsurface); if (anw == NULL) { jniThrowException(env, "java/lang/IllegalArgumentException", "The surface has been released"); return; } } env->SetLongField(thiz, fields.surface_texture, (jlong)anw); // This will fail if the media player has not been initialized yet. This // can be the case if setDisplay() on MediaPlayer2.java has been called // before setDataSource(). The redundant call to setVideoSurfaceTexture() // in prepare/prepare covers for this case. mp->setVideoSurfaceTexture(new ANativeWindowWrapper(anw)); } static void android_media_MediaPlayer2_setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface) { setVideoSurface(env, thiz, jsurface, true /* mediaPlayerMustBeAlive */); } static jobject android_media_MediaPlayer2_getBufferingParams(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return NULL; } BufferingParams bp; BufferingSettings &settings = bp.settings; process_media_player_call( env, thiz, mp->getBufferingSettings(&settings), "java/lang/IllegalStateException", "unexpected error"); if (env->ExceptionCheck()) { return nullptr; } ALOGV("getBufferingSettings:{%s}", settings.toString().string()); return bp.asJobject(env, gBufferingParamsFields); } static void android_media_MediaPlayer2_setBufferingParams(JNIEnv *env, jobject thiz, jobject params) { if (params == NULL) { return; } sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return; } BufferingParams bp; bp.fillFromJobject(env, gBufferingParamsFields, params); ALOGV("setBufferingParams:{%s}", bp.settings.toString().string()); process_media_player_call( env, thiz, mp->setBufferingSettings(bp.settings), "java/lang/IllegalStateException", "unexpected error"); } static void android_media_MediaPlayer2_playNextDataSource(JNIEnv *env, jobject thiz, jlong srcId) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return; } process_media_player_call(env, thiz, mp->playNextDataSource((int64_t)srcId), "java/io/IOException", "playNextDataSource failed." ); } static void android_media_MediaPlayer2_prepare(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> 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<ANativeWindowWrapper> 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_MediaPlayer2_start(JNIEnv *env, jobject thiz) { ALOGV("start"); sp<MediaPlayer2> 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_MediaPlayer2_pause(JNIEnv *env, jobject thiz) { ALOGV("pause"); sp<MediaPlayer2> 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 void android_media_MediaPlayer2_setPlaybackParams(JNIEnv *env, jobject thiz, jobject params) { sp<MediaPlayer2> 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_MediaPlayer2_getPlaybackParams(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> 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_MediaPlayer2_setSyncParams(JNIEnv *env, jobject thiz, jobject params) { sp<MediaPlayer2> 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_MediaPlayer2_getSyncParams(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> 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_MediaPlayer2_seekTo(JNIEnv *env, jobject thiz, jlong msec, jint mode) { sp<MediaPlayer2> 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((int64_t)msec, (MediaPlayer2SeekMode)mode), NULL, NULL); } static jint android_media_MediaPlayer2_getState(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { return MEDIAPLAYER2_STATE_IDLE; } return (jint)mp->getState(); } static jobject android_media_MediaPlayer2_native_getMetrics(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return 0; } char *buffer = NULL; size_t length = 0; status_t status = mp->getMetrics(&buffer, &length); if (status != OK) { ALOGD("getMetrics() failed: %d", status); return (jobject) NULL; } jobject mybundle = MediaMetricsJNI::writeAttributesToBundle(env, NULL, buffer, length); free(buffer); return mybundle; } static jlong android_media_MediaPlayer2_getCurrentPosition(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return 0; } int64_t msec; process_media_player_call( env, thiz, mp->getCurrentPosition(&msec), NULL, NULL ); ALOGV("getCurrentPosition: %lld (msec)", (long long)msec); return (jlong) msec; } static jlong android_media_MediaPlayer2_getDuration(JNIEnv *env, jobject thiz, jlong srcId) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return 0; } int64_t msec; process_media_player_call( env, thiz, mp->getDuration(srcId, &msec), NULL, NULL ); ALOGV("getDuration: %lld (msec)", (long long)msec); return (jlong) msec; } static void android_media_MediaPlayer2_reset(JNIEnv *env, jobject thiz) { ALOGV("reset"); sp<MediaPlayer2> 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 jboolean android_media_MediaPlayer2_setAudioAttributes(JNIEnv *env, jobject thiz, jobject attributes) { ALOGV("setAudioAttributes"); sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return false; } status_t err = mp->setAudioAttributes(attributes); return err == OK; } static jobject android_media_MediaPlayer2_getAudioAttributes(JNIEnv *env, jobject thiz) { ALOGV("getAudioAttributes"); sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return NULL; } return mp->getAudioAttributes(); } static void android_media_MediaPlayer2_setLooping(JNIEnv *env, jobject thiz, jboolean looping) { ALOGV("setLooping: %d", looping); sp<MediaPlayer2> 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_MediaPlayer2_isLooping(JNIEnv *env, jobject thiz) { ALOGV("isLooping"); sp<MediaPlayer2> 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_MediaPlayer2_setVolume(JNIEnv *env, jobject thiz, jfloat volume) { ALOGV("setVolume: volume %f", (float) volume); sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return; } process_media_player_call( env, thiz, mp->setVolume((float) volume), NULL, NULL ); } static jbyteArray android_media_MediaPlayer2_invoke(JNIEnv *env, jobject thiz, jbyteArray requestData) { sp<MediaPlayer2> media_player = getMediaPlayer(env, thiz); if (media_player == NULL) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return NULL; } // Get the byte[] pointer and data length. jbyte* pData = env->GetByteArrayElements(requestData, NULL); jsize pDataLen = env->GetArrayLength(requestData); // Deserialize from the byte stream. PlayerMessage request; PlayerMessage response; request.ParseFromArray(pData, pDataLen); process_media_player_call( env, thiz, media_player->invoke(request, &response), "java.lang.RuntimeException", NULL ); if (env->ExceptionCheck()) { return NULL; } int size = response.ByteSize(); jbyte* temp = new jbyte[size]; response.SerializeToArray(temp, size); // return the response as a byte array. jbyteArray out = env->NewByteArray(size); env->SetByteArrayRegion(out, 0, size, temp); delete[] temp; return out; } // This function gets some field IDs, which in turn causes class initialization. // It is called from a static block in MediaPlayer2, which won't run until the // first time an instance of this class is used. static void android_media_MediaPlayer2_native_init(JNIEnv *env) { jclass clazz; clazz = env->FindClass("android/media/MediaPlayer2"); if (clazz == NULL) { return; } fields.context = env->GetFieldID(clazz, "mContext", "Landroid/content/Context;"); if (fields.context == NULL) { return; } fields.nativeContext = env->GetFieldID(clazz, "mNativeContext", "J"); if (fields.nativeContext == NULL) { return; } fields.post_event = env->GetStaticMethodID(clazz, "postEventFromNative", "(Ljava/lang/Object;JIII[B)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); gBufferingParamsFields.init(env); // Modular DRM FIND_CLASS(clazz, "android/media/MediaDrm$MediaDrmStateException"); if (clazz) { GET_METHOD_ID(gStateExceptionFields.init, clazz, "<init>", "(ILjava/lang/String;)V"); gStateExceptionFields.classId = static_cast<jclass>(env->NewGlobalRef(clazz)); env->DeleteLocalRef(clazz); } else { ALOGE("JNI android_media_MediaPlayer2_native_init couldn't " "get clazz android/media/MediaDrm$MediaDrmStateException"); } gPlaybackParamsFields.init(env); gSyncParamsFields.init(env); gVolumeShaperFields.init(env); } static void android_media_MediaPlayer2_native_setup(JNIEnv *env, jobject thiz, jint sessionId, jobject weak_this) { ALOGV("native_setup"); jobject context = env->GetObjectField(thiz, fields.context); sp<MediaPlayer2> mp = MediaPlayer2::Create(sessionId, context); if (mp == NULL) { jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); return; } // create new listener and give it to MediaPlayer2 sp<JNIMediaPlayer2Listener> listener = new JNIMediaPlayer2Listener(env, thiz, weak_this); mp->setListener(listener); // Stow our new C++ MediaPlayer2 in an opaque field in the Java object. setMediaPlayer(env, thiz, mp); } static void android_media_MediaPlayer2_release(JNIEnv *env, jobject thiz) { ALOGV("release"); decVideoSurfaceRef(env, thiz); sp<MediaPlayer2> 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_MediaPlayer2_native_finalize(JNIEnv *env, jobject thiz) { ALOGV("native_finalize"); sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp != NULL) { ALOGW("MediaPlayer2 finalized without being released"); } android_media_MediaPlayer2_release(env, thiz); } static void android_media_MediaPlayer2_setAudioSessionId(JNIEnv *env, jobject thiz, jint sessionId) { ALOGV("setAudioSessionId(): %d", sessionId); sp<MediaPlayer2> 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_MediaPlayer2_getAudioSessionId(JNIEnv *env, jobject thiz) { ALOGV("getAudioSessionId()"); sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return 0; } return (jint) mp->getAudioSessionId(); } static void android_media_MediaPlayer2_setAuxEffectSendLevel(JNIEnv *env, jobject thiz, jfloat level) { ALOGV("setAuxEffectSendLevel: level %f", level); sp<MediaPlayer2> 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_MediaPlayer2_attachAuxEffect(JNIEnv *env, jobject thiz, jint effectId) { ALOGV("attachAuxEffect(): %d", effectId); sp<MediaPlayer2> 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 ); } ///////////////////////////////////////////////////////////////////////////////////// // 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_MediaPlayer2_prepareDrm(JNIEnv *env, jobject thiz, jlong srcId, jbyteArray uuidObj, jbyteArray drmSessionIdObj) { sp<MediaPlayer2> 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(srcId, 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_MediaPlayer2_releaseDrm(JNIEnv *env, jobject thiz, jlong srcId) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return; } status_t err = mp->releaseDrm(srcId); 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_MediaPlayer2_setPreferredDevice(JNIEnv *env, jobject thiz, jobject device) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { return false; } return mp->setPreferredDevice(device) == NO_ERROR; } static jobject android_media_MediaPlayer2_getRoutedDevice(JNIEnv *env, jobject thiz) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { return nullptr; } return mp->getRoutedDevice(); } static void android_media_MediaPlayer2_addDeviceCallback( JNIEnv* env, jobject thiz, jobject routingDelegate) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { return; } status_t status = mp->addAudioDeviceCallback(routingDelegate); if (status != NO_ERROR) { jniThrowException(env, "java/lang/IllegalStateException", NULL); ALOGE("enable device callback failed: %d", status); } } static void android_media_MediaPlayer2_removeDeviceCallback( JNIEnv* env, jobject thiz, jobject listener) { sp<MediaPlayer2> mp = getMediaPlayer(env, thiz); if (mp == NULL) { return; } status_t status = mp->removeAudioDeviceCallback(listener); if (status != NO_ERROR) { jniThrowException(env, "java/lang/IllegalStateException", NULL); ALOGE("enable device callback failed: %d", status); } } // AudioRouting end // ---------------------------------------------------------------------------- ///////////////////////////////////////////////////////////////////////////////////// // AudioTrack.StreamEventCallback begin static void android_media_MediaPlayer2_native_on_tear_down(JNIEnv *env __unused, jobject thiz __unused, jlong callbackPtr, jlong userDataPtr) { JAudioTrack::callback_t callback = (JAudioTrack::callback_t) callbackPtr; if (callback != NULL) { callback(JAudioTrack::EVENT_NEW_IAUDIOTRACK, (void *) userDataPtr, NULL); } } static void android_media_MediaPlayer2_native_on_stream_presentation_end(JNIEnv *env __unused, jobject thiz __unused, jlong callbackPtr, jlong userDataPtr) { JAudioTrack::callback_t callback = (JAudioTrack::callback_t) callbackPtr; if (callback != NULL) { callback(JAudioTrack::EVENT_STREAM_END, (void *) userDataPtr, NULL); } } static void android_media_MediaPlayer2_native_on_stream_data_request(JNIEnv *env __unused, jobject thiz __unused, jlong jAudioTrackPtr, jlong callbackPtr, jlong userDataPtr) { JAudioTrack::callback_t callback = (JAudioTrack::callback_t) callbackPtr; JAudioTrack* track = (JAudioTrack *) jAudioTrackPtr; if (callback != NULL && track != NULL) { JAudioTrack::Buffer* buffer = new JAudioTrack::Buffer(); size_t bufferSizeInFrames = track->frameCount(); audio_format_t format = track->format(); size_t bufferSizeInBytes; if (audio_has_proportional_frames(format)) { bufferSizeInBytes = bufferSizeInFrames * audio_bytes_per_sample(format) * track->channelCount(); } else { // See Javadoc of AudioTrack::getBufferSizeInFrames(). bufferSizeInBytes = bufferSizeInFrames; } uint8_t* byteBuffer = new uint8_t[bufferSizeInBytes]; buffer->mSize = bufferSizeInBytes; buffer->mData = (void *) byteBuffer; callback(JAudioTrack::EVENT_MORE_DATA, (void *) userDataPtr, buffer); if (buffer->mSize > 0 && buffer->mData == byteBuffer) { track->write(buffer->mData, buffer->mSize, true /* Blocking */); } delete[] byteBuffer; delete buffer; } } // AudioTrack.StreamEventCallback end // ---------------------------------------------------------------------------- static const JNINativeMethod gMethods[] = { { "nativeHandleDataSourceUrl", "(ZJLandroid/media/Media2HTTPService;Ljava/lang/String;[Ljava/lang/String;" "[Ljava/lang/String;JJ)V", (void *)android_media_MediaPlayer2_handleDataSourceUrl }, { "nativeHandleDataSourceFD", "(ZJLjava/io/FileDescriptor;JJJJ)V", (void *)android_media_MediaPlayer2_handleDataSourceFD }, { "nativeHandleDataSourceCallback", "(ZJLandroid/media/DataSourceCallback;JJ)V", (void *)android_media_MediaPlayer2_handleDataSourceCallback }, {"nativePlayNextDataSource", "(J)V", (void *)android_media_MediaPlayer2_playNextDataSource}, {"native_setVideoSurface", "(Landroid/view/Surface;)V", (void *)android_media_MediaPlayer2_setVideoSurface}, {"getBufferingParams", "()Landroid/media/BufferingParams;", (void *)android_media_MediaPlayer2_getBufferingParams}, {"native_setBufferingParams", "(Landroid/media/BufferingParams;)V", (void *)android_media_MediaPlayer2_setBufferingParams}, {"native_prepare", "()V", (void *)android_media_MediaPlayer2_prepare}, {"native_start", "()V", (void *)android_media_MediaPlayer2_start}, {"native_getState", "()I", (void *)android_media_MediaPlayer2_getState}, {"native_getMetrics", "()Landroid/os/PersistableBundle;", (void *)android_media_MediaPlayer2_native_getMetrics}, {"native_setPlaybackParams", "(Landroid/media/PlaybackParams;)V", (void *)android_media_MediaPlayer2_setPlaybackParams}, {"getPlaybackParams", "()Landroid/media/PlaybackParams;", (void *)android_media_MediaPlayer2_getPlaybackParams}, {"native_setSyncParams", "(Landroid/media/SyncParams;)V", (void *)android_media_MediaPlayer2_setSyncParams}, {"getSyncParams", "()Landroid/media/SyncParams;", (void *)android_media_MediaPlayer2_getSyncParams}, {"native_seekTo", "(JI)V", (void *)android_media_MediaPlayer2_seekTo}, {"native_pause", "()V", (void *)android_media_MediaPlayer2_pause}, {"getCurrentPosition", "()J", (void *)android_media_MediaPlayer2_getCurrentPosition}, {"native_getDuration", "(J)J", (void *)android_media_MediaPlayer2_getDuration}, {"native_release", "()V", (void *)android_media_MediaPlayer2_release}, {"native_reset", "()V", (void *)android_media_MediaPlayer2_reset}, {"native_setAudioAttributes", "(Landroid/media/AudioAttributes;)Z", (void *)android_media_MediaPlayer2_setAudioAttributes}, {"native_getAudioAttributes", "()Landroid/media/AudioAttributes;", (void *)android_media_MediaPlayer2_getAudioAttributes}, {"setLooping", "(Z)V", (void *)android_media_MediaPlayer2_setLooping}, {"isLooping", "()Z", (void *)android_media_MediaPlayer2_isLooping}, {"native_setVolume", "(F)V", (void *)android_media_MediaPlayer2_setVolume}, {"native_invoke", "([B)[B", (void *)android_media_MediaPlayer2_invoke}, {"native_init", "()V", (void *)android_media_MediaPlayer2_native_init}, {"native_setup", "(ILjava/lang/Object;)V", (void *)android_media_MediaPlayer2_native_setup}, {"native_finalize", "()V", (void *)android_media_MediaPlayer2_native_finalize}, {"getAudioSessionId", "()I", (void *)android_media_MediaPlayer2_getAudioSessionId}, {"native_setAudioSessionId", "(I)V", (void *)android_media_MediaPlayer2_setAudioSessionId}, {"native_setAuxEffectSendLevel", "(F)V", (void *)android_media_MediaPlayer2_setAuxEffectSendLevel}, {"native_attachAuxEffect", "(I)V", (void *)android_media_MediaPlayer2_attachAuxEffect}, // Modular DRM { "native_prepareDrm", "(J[B[B)V", (void *)android_media_MediaPlayer2_prepareDrm }, { "native_releaseDrm", "(J)V", (void *)android_media_MediaPlayer2_releaseDrm }, // AudioRouting {"native_setPreferredDevice", "(Landroid/media/AudioDeviceInfo;)Z", (void *)android_media_MediaPlayer2_setPreferredDevice}, {"getRoutedDevice", "()Landroid/media/AudioDeviceInfo;", (void *)android_media_MediaPlayer2_getRoutedDevice}, {"native_addDeviceCallback", "(Landroid/media/RoutingDelegate;)V", (void *)android_media_MediaPlayer2_addDeviceCallback}, {"native_removeDeviceCallback", "(Landroid/media/AudioRouting$OnRoutingChangedListener;)V", (void *)android_media_MediaPlayer2_removeDeviceCallback}, // StreamEventCallback for JAudioTrack {"native_stream_event_onTearDown", "(JJ)V", (void *)android_media_MediaPlayer2_native_on_tear_down}, {"native_stream_event_onStreamPresentationEnd", "(JJ)V", (void *)android_media_MediaPlayer2_native_on_stream_presentation_end}, {"native_stream_event_onStreamDataRequest", "(JJJ)V", (void *)android_media_MediaPlayer2_native_on_stream_data_request}, }; // This function only registers the native methods static int register_android_media_MediaPlayer2(JNIEnv *env) { return jniRegisterNativeMethods(env, "android/media/MediaPlayer2", gMethods, NELEM(gMethods)); } 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_MediaPlayer2(env) < 0) { ALOGE("ERROR: MediaPlayer2 native registration failed\n"); goto bail; } JavaVMHelper::setJavaVM(vm); /* success -- return valid version number */ result = JNI_VERSION_1_4; bail: return result; } // KTHXBYE