/* ** ** 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 <stdio.h> #include <assert.h> #include <limits.h> #include <unistd.h> #include <fcntl.h> #include <utils/threads.h> #include "jni.h" #include "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_PlaybackParams.h" #include "android_media_SyncParams.h" #include "android_media_Utils.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" // ---------------------------------------------------------------------------- using namespace android; // ---------------------------------------------------------------------------- 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 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"); 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"); 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, jint msec) { sp<MediaPlayer> mp = getMediaPlayer(env, thiz); if (mp == NULL ) { jniThrowException(env, "java/lang/IllegalStateException", NULL); return; } ALOGV("seekTo: %d(msec)", msec); process_media_player_call( env, thiz, mp->seekTo(msec), 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 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); gPlaybackParamsFields.init(env); gSyncParamsFields.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." ); ; } // ---------------------------------------------------------------------------- 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}, {"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", "(I)V", (void *)android_media_MediaPlayer_seekTo}, {"_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}, }; // 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_ExifInterface(JNIEnv *env); 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_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_media_AmrInputStream(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_AmrInputStream(env) < 0) { ALOGE("ERROR: AmrInputStream 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_MediaHTTPConnection(env) < 0) { ALOGE("ERROR: MediaHTTPConnection native registration failed"); goto bail; } if (register_android_media_ExifInterface(env) < 0) { ALOGE("ERROR: ExifInterface native registration failed"); goto bail; } /* success -- return valid version number */ result = JNI_VERSION_1_4; bail: return result; } // KTHXBYE