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/*
* 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 <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <jni.h>
#include <nativehelper/JNIPlatformHelp.h>
#include "core_jni_helpers.h"
#include <utils/Log.h>
#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; trackIndex<maxTracks; trackIndex++) {
if (muteTracks[maxTracks-1-trackIndex]==JNI_TRUE)
muteMask = (muteMask << 1) | 0x00000001;
else
muteMask = muteMask << 1;
}
//ALOGV("android_media_JetPlayer_queueSegmentMuteArray(): FINAL mute mask =0x%08lX", mask);
result = lpJet->queueSegment(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; trackIndex<maxTracks; trackIndex++) {
if (muteTracks[maxTracks-1-trackIndex]==JNI_TRUE)
muteMask = (muteMask << 1) | 0x00000001;
else
muteMask = muteMask << 1;
}
//ALOGV("android_media_JetPlayer_setMuteArray(): FINAL mute mask =0x%08lX", muteMask);
result = lpJet->setMuteFlags(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));
}