/* * Copyright (C) 2008 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 "JET_JNI" #include #include #include #include #include #include "core_jni_helpers.h" #include #include "JetPlayer.h" using namespace android; // ---------------------------------------------------------------------------- static const char* const kClassPathName = "android/media/JetPlayer"; // ---------------------------------------------------------------------------- struct fields_t { // these fields provide access from C++ to the... jclass jetClass; // JetPlayer java class global ref jmethodID postNativeEventInJava; // java method to post events to the Java thread from native jfieldID nativePlayerInJavaObj; // stores in Java the native JetPlayer object }; static fields_t javaJetPlayerFields {}; #define JAVA_NATIVEJETPLAYERINJAVAOBJ_FIELD_NAME "mNativePlayerInJavaObj" #define JAVA_NATIVEJETPOSTEVENT_CALLBACK_NAME "postEventFromNative" static void initializeJavaIDs(JNIEnv* env) { static std::once_flag sJniInitialized; std::call_once(sJniInitialized, [](JNIEnv* env) { // Get the JetPlayer java class jclass jetPlayerClass = FindClassOrDie(env, kClassPathName); javaJetPlayerFields.jetClass = MakeGlobalRefOrDie(env, jetPlayerClass); // Get the mNativePlayerInJavaObj variable field javaJetPlayerFields.nativePlayerInJavaObj = GetFieldIDOrDie(env, jetPlayerClass, JAVA_NATIVEJETPLAYERINJAVAOBJ_FIELD_NAME, "J"); // Get the callback to post events from this native code to Java javaJetPlayerFields.postNativeEventInJava = GetStaticMethodIDOrDie(env, javaJetPlayerFields.jetClass, JAVA_NATIVEJETPOSTEVENT_CALLBACK_NAME, "(Ljava/lang/Object;III)V"); }, env); } // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- /* * This function is called from JetPlayer instance's render thread */ static void jetPlayerEventCallback(int what, int arg1=0, int arg2=0, void* javaTarget = NULL) { JNIEnv *env = AndroidRuntime::getJNIEnv(); if (env) { env->CallStaticVoidMethod( javaJetPlayerFields.jetClass, javaJetPlayerFields.postNativeEventInJava, javaTarget, what, arg1, arg2); if (env->ExceptionCheck()) { env->ExceptionDescribe(); env->ExceptionClear(); } } else { ALOGE("JET jetPlayerEventCallback(): No JNI env for JET event callback, can't post event."); return; } } // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_setup(JNIEnv *env, jobject thiz, jobject weak_this, jint maxTracks, jint trackBufferSize) { initializeJavaIDs(env); //ALOGV("android_media_JetPlayer_setup(): entering."); JetPlayer* lpJet = new JetPlayer(env->NewGlobalRef(weak_this), maxTracks, trackBufferSize); EAS_RESULT result = lpJet->init(); if (result==EAS_SUCCESS) { // save our newly created C++ JetPlayer in the "nativePlayerInJavaObj" field // of the Java object (in mNativePlayerInJavaObj) env->SetLongField(thiz, javaJetPlayerFields.nativePlayerInJavaObj, (jlong)lpJet); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_setup(): initialization failed with EAS error code %d", (int)result); delete lpJet; env->SetLongField(weak_this, javaJetPlayerFields.nativePlayerInJavaObj, 0); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static void android_media_JetPlayer_finalize(JNIEnv *env, jobject thiz) { ALOGV("android_media_JetPlayer_finalize(): entering."); JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet != NULL) { lpJet->release(); delete lpJet; } ALOGV("android_media_JetPlayer_finalize(): exiting."); } // ---------------------------------------------------------------------------- static void android_media_JetPlayer_release(JNIEnv *env, jobject thiz) { android_media_JetPlayer_finalize(env, thiz); env->SetLongField(thiz, javaJetPlayerFields.nativePlayerInJavaObj, 0); ALOGV("android_media_JetPlayer_release() done"); } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_loadFromFile(JNIEnv *env, jobject thiz, jstring path) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for openFile()"); return JNI_FALSE; } // set up event callback function lpJet->setEventCallback(jetPlayerEventCallback); const char *pathStr = env->GetStringUTFChars(path, NULL); if (pathStr == NULL) { // Out of memory ALOGE("android_media_JetPlayer_openFile(): aborting, out of memory"); return JNI_FALSE; } ALOGV("android_media_JetPlayer_openFile(): trying to open %s", pathStr ); EAS_RESULT result = lpJet->loadFromFile(pathStr); env->ReleaseStringUTFChars(path, pathStr); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_openFile(): file successfully opened"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_openFile(): failed to open file with EAS error %d", (int)result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_loadFromFileD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for openFile()"); return JNI_FALSE; } // set up event callback function lpJet->setEventCallback(jetPlayerEventCallback); ALOGV("android_media_JetPlayer_openFileDescr(): trying to load JET file through its fd" ); EAS_RESULT result = lpJet->loadFromFD(jniGetFDFromFileDescriptor(env, fileDescriptor), (long long)offset, (long long)length); // cast params to types used by EAS_FILE if (result==EAS_SUCCESS) { ALOGV("android_media_JetPlayer_openFileDescr(): file successfully opened"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_openFileDescr(): failed to open file with EAS error %d", (int)result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_closeFile(JNIEnv *env, jobject thiz) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for closeFile()"); return JNI_FALSE; } if (lpJet->closeFile()==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_closeFile(): file successfully closed"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_closeFile(): failed to close file"); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_play(JNIEnv *env, jobject thiz) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for play()"); return JNI_FALSE; } EAS_RESULT result = lpJet->play(); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_play(): play successful"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_play(): failed to play with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_pause(JNIEnv *env, jobject thiz) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for pause()"); return JNI_FALSE; } EAS_RESULT result = lpJet->pause(); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_pause(): pause successful"); return JNI_TRUE; } else { if (result==EAS_ERROR_QUEUE_IS_EMPTY) { ALOGV("android_media_JetPlayer_pause(): paused with an empty queue"); return JNI_TRUE; } else ALOGE("android_media_JetPlayer_pause(): failed to pause with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_queueSegment(JNIEnv *env, jobject thiz, jint segmentNum, jint libNum, jint repeatCount, jint transpose, jint muteFlags, jbyte userID) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for queueSegment()"); return JNI_FALSE; } EAS_RESULT result = lpJet->queueSegment(segmentNum, libNum, repeatCount, transpose, muteFlags, userID); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_queueSegment(): segment successfully queued"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_queueSegment(): failed with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_queueSegmentMuteArray(JNIEnv *env, jobject thiz, jint segmentNum, jint libNum, jint repeatCount, jint transpose, jbooleanArray muteArray, jbyte userID) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for queueSegmentMuteArray()"); return JNI_FALSE; } EAS_RESULT result=EAS_FAILURE; jboolean *muteTracks = NULL; muteTracks = env->GetBooleanArrayElements(muteArray, NULL); if (muteTracks == NULL) { ALOGE("android_media_JetPlayer_queueSegment(): failed to read track mute mask."); return JNI_FALSE; } EAS_U32 muteMask=0; int maxTracks = lpJet->getMaxTracks(); for (jint trackIndex=0; trackIndexqueueSegment(segmentNum, libNum, repeatCount, transpose, muteMask, userID); env->ReleaseBooleanArrayElements(muteArray, muteTracks, 0); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_queueSegmentMuteArray(): segment successfully queued"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_queueSegmentMuteArray(): failed with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_setMuteFlags(JNIEnv *env, jobject thiz, jint muteFlags /*unsigned?*/, jboolean bSync) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for setMuteFlags()"); return JNI_FALSE; } EAS_RESULT result; result = lpJet->setMuteFlags(muteFlags, bSync==JNI_TRUE ? true : false); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_setMuteFlags(): mute flags successfully updated"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_setMuteFlags(): failed with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_setMuteArray(JNIEnv *env, jobject thiz, jbooleanArray muteArray, jboolean bSync) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for setMuteArray()"); return JNI_FALSE; } EAS_RESULT result=EAS_FAILURE; jboolean *muteTracks = NULL; muteTracks = env->GetBooleanArrayElements(muteArray, NULL); if (muteTracks == NULL) { ALOGE("android_media_JetPlayer_setMuteArray(): failed to read track mute mask."); return JNI_FALSE; } EAS_U32 muteMask=0; int maxTracks = lpJet->getMaxTracks(); for (jint trackIndex=0; trackIndexsetMuteFlags(muteMask, bSync==JNI_TRUE ? true : false); env->ReleaseBooleanArrayElements(muteArray, muteTracks, 0); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_setMuteArray(): mute flags successfully updated"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_setMuteArray(): \ failed to update mute flags with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_setMuteFlag(JNIEnv *env, jobject thiz, jint trackId, jboolean muteFlag, jboolean bSync) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for setMuteFlag()"); return JNI_FALSE; } EAS_RESULT result; result = lpJet->setMuteFlag(trackId, muteFlag==JNI_TRUE ? true : false, bSync==JNI_TRUE ? true : false); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_setMuteFlag(): mute flag successfully updated for track %d", trackId); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_setMuteFlag(): failed to update mute flag for track %d with EAS error code %ld", trackId, result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_triggerClip(JNIEnv *env, jobject thiz, jint clipId) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for triggerClip()"); return JNI_FALSE; } EAS_RESULT result; result = lpJet->triggerClip(clipId); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_triggerClip(): triggerClip successful for clip %d", clipId); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_triggerClip(): triggerClip for clip %d failed with EAS error code %ld", clipId, result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- static jboolean android_media_JetPlayer_clearQueue(JNIEnv *env, jobject thiz) { JetPlayer *lpJet = (JetPlayer *)env->GetLongField( thiz, javaJetPlayerFields.nativePlayerInJavaObj); if (lpJet == NULL) { jniThrowException(env, "java/lang/IllegalStateException", "Unable to retrieve JetPlayer pointer for clearQueue()"); return JNI_FALSE; } EAS_RESULT result = lpJet->clearQueue(); if (result==EAS_SUCCESS) { //ALOGV("android_media_JetPlayer_clearQueue(): clearQueue successful"); return JNI_TRUE; } else { ALOGE("android_media_JetPlayer_clearQueue(): clearQueue failed with EAS error code %ld", result); return JNI_FALSE; } } // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- static const JNINativeMethod gMethods[] = { // name, signature, funcPtr {"native_setup", "(Ljava/lang/Object;II)Z", (void *)android_media_JetPlayer_setup}, {"native_finalize", "()V", (void *)android_media_JetPlayer_finalize}, {"native_release", "()V", (void *)android_media_JetPlayer_release}, {"native_loadJetFromFile", "(Ljava/lang/String;)Z", (void *)android_media_JetPlayer_loadFromFile}, {"native_loadJetFromFileD", "(Ljava/io/FileDescriptor;JJ)Z", (void *)android_media_JetPlayer_loadFromFileD}, {"native_closeJetFile","()Z", (void *)android_media_JetPlayer_closeFile}, {"native_playJet", "()Z", (void *)android_media_JetPlayer_play}, {"native_pauseJet", "()Z", (void *)android_media_JetPlayer_pause}, {"native_queueJetSegment", "(IIIIIB)Z", (void *)android_media_JetPlayer_queueSegment}, {"native_queueJetSegmentMuteArray", "(IIII[ZB)Z", (void *)android_media_JetPlayer_queueSegmentMuteArray}, {"native_setMuteFlags","(IZ)Z", (void *)android_media_JetPlayer_setMuteFlags}, {"native_setMuteArray","([ZZ)Z", (void *)android_media_JetPlayer_setMuteArray}, {"native_setMuteFlag", "(IZZ)Z", (void *)android_media_JetPlayer_setMuteFlag}, {"native_triggerClip", "(I)Z", (void *)android_media_JetPlayer_triggerClip}, {"native_clearQueue", "()Z", (void *)android_media_JetPlayer_clearQueue}, }; int register_android_media_JetPlayer(JNIEnv *env) { return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods)); }