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android_frameworks_base/media/jni/android_media_MediaPlayer.cpp
Bernhard Rosenkränzer 4048a4bcb1 Remove unused variables and functions, don't warn about unused parameters 
Remove unused variables and static functions clang complains about,
disable warnings about unused parameters (needed for clang and for gcc
with -Wextra enabled)

Change-Id: I76a22cd0158b3c7375c54e3d4d15bc1ac448591e
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
2014-11-23 22:24:32 +01:00

1032 lines
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/*
**
** 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/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_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 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) 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 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_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;
}
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;");
}
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(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 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},
{"_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},
{"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_ImageReader(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_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_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_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;
}
/* success -- return valid version number */
result = JNI_VERSION_1_4;
bail:
return result;
}
// KTHXBYE
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