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android_frameworks_base/media/jni/android_media_MediaPlayer2.cpp
Dongwon Kang 4480127cad MediaPlayer: ensure that jni code returns after throwing exceptions. 
Test: no crash on getPlaybackParams and pass post media CTS
Bug: 80200877
Change-Id: I7538967962acc2a23062615c0d39720b34505f17
2018-05-23 17:38:35 -07:00

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/*
**
** Copyright 2017, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "MediaPlayer2-JNI"
#include "utils/Log.h"
#include <sys/stat.h>
#include <media/AudioResamplerPublic.h>
#include <media/DataSourceDesc.h>
#include <media/MediaHTTPService.h>
#include <media/MediaAnalyticsItem.h>
#include <media/NdkWrapper.h>
#include <media/stagefright/Utils.h>
#include <media/stagefright/foundation/ByteUtils.h> // for FOURCC definition
#include <mediaplayer2/JAudioTrack.h>
#include <mediaplayer2/mediaplayer2.h>
#include <stdio.h>
#include <assert.h>
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <utils/threads.h>
#include "jni.h"
#include <nativehelper/JNIHelp.h>
#include "android/native_window_jni.h"
#include "android_runtime/Log.h"
#include "utils/Errors.h" // for status_t
#include "utils/KeyedVector.h"
#include "utils/String8.h"
#include "android_media_BufferingParams.h"
#include "android_media_Media2HTTPService.h"
#include "android_media_Media2DataSource.h"
#include "android_media_MediaMetricsJNI.h"
#include "android_media_PlaybackParams.h"
#include "android_media_SyncParams.h"
#include "android_media_VolumeShaper.h"
#include "android_os_Parcel.h"
#include "android_util_Binder.h"
#include <binder/Parcel.h>
// Modular DRM begin
#define FIND_CLASS(var, className) \
var = env->FindClass(className); \
LOG_FATAL_IF(! (var), "Unable to find class " className);
#define GET_METHOD_ID(var, clazz, fieldName, fieldDescriptor) \
var = env->GetMethodID(clazz, fieldName, fieldDescriptor); \
LOG_FATAL_IF(! (var), "Unable to find method " fieldName);
struct StateExceptionFields {
jmethodID init;
jclass classId;
};
static StateExceptionFields gStateExceptionFields;
// Modular DRM end
// ----------------------------------------------------------------------------
using namespace android;
using media::VolumeShaper;
// ----------------------------------------------------------------------------
struct fields_t {
jfieldID context;
jfieldID surface_texture;
jmethodID post_event;
jmethodID proxyConfigGetHost;
jmethodID proxyConfigGetPort;
jmethodID proxyConfigGetExclusionList;
};
static fields_t fields;
static BufferingParams::fields_t gBufferingParamsFields;
static PlaybackParams::fields_t gPlaybackParamsFields;
static SyncParams::fields_t gSyncParamsFields;
static VolumeShaperHelper::fields_t gVolumeShaperFields;
static Mutex sLock;
static bool ConvertKeyValueArraysToKeyedVector(
JNIEnv *env, jobjectArray keys, jobjectArray values,
KeyedVector<String8, String8>* keyedVector) {
int nKeyValuePairs = 0;
bool failed = false;
if (keys != NULL && values != NULL) {
nKeyValuePairs = env->GetArrayLength(keys);
failed = (nKeyValuePairs != env->GetArrayLength(values));
}
if (!failed) {
failed = ((keys != NULL && values == NULL) ||
(keys == NULL && values != NULL));
}
if (failed) {
ALOGE("keys and values arrays have different length");
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return false;
}
for (int i = 0; i < nKeyValuePairs; ++i) {
// No need to check on the ArrayIndexOutOfBoundsException, since
// it won't happen here.
jstring key = (jstring) env->GetObjectArrayElement(keys, i);
jstring value = (jstring) env->GetObjectArrayElement(values, i);
const char* keyStr = env->GetStringUTFChars(key, NULL);
if (!keyStr) { // OutOfMemoryError
return false;
}
const char* valueStr = env->GetStringUTFChars(value, NULL);
if (!valueStr) { // OutOfMemoryError
env->ReleaseStringUTFChars(key, keyStr);
return false;
}
keyedVector->add(String8(keyStr), String8(valueStr));
env->ReleaseStringUTFChars(key, keyStr);
env->ReleaseStringUTFChars(value, valueStr);
env->DeleteLocalRef(key);
env->DeleteLocalRef(value);
}
return true;
}
// ----------------------------------------------------------------------------
// ref-counted object for callbacks
class JNIMediaPlayer2Listener: public MediaPlayer2Listener
{
public:
JNIMediaPlayer2Listener(JNIEnv* env, jobject thiz, jobject weak_thiz);
~JNIMediaPlayer2Listener();
virtual void notify(int64_t srcId, int msg, int ext1, int ext2,
const Parcel *obj = NULL) override;
private:
JNIMediaPlayer2Listener();
jclass mClass; // Reference to MediaPlayer2 class
jobject mObject; // Weak ref to MediaPlayer2 Java object to call on
};
JNIMediaPlayer2Listener::JNIMediaPlayer2Listener(JNIEnv* env, jobject thiz, jobject weak_thiz)
{
// Hold onto the MediaPlayer2 class for use in calling the static method
// that posts events to the application thread.
jclass clazz = env->GetObjectClass(thiz);
if (clazz == NULL) {
ALOGE("Can't find android/media/MediaPlayer2Impl");
jniThrowException(env, "java/lang/Exception", NULL);
return;
}
mClass = (jclass)env->NewGlobalRef(clazz);
// We use a weak reference so the MediaPlayer2 object can be garbage collected.
// The reference is only used as a proxy for callbacks.
mObject = env->NewGlobalRef(weak_thiz);
}
JNIMediaPlayer2Listener::~JNIMediaPlayer2Listener()
{
// remove global references
JNIEnv *env = AndroidRuntime::getJNIEnv();
env->DeleteGlobalRef(mObject);
env->DeleteGlobalRef(mClass);
}
void JNIMediaPlayer2Listener::notify(int64_t srcId, 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,
srcId, msg, ext1, ext2, jParcel);
env->DeleteLocalRef(jParcel);
}
} else {
env->CallStaticVoidMethod(mClass, fields.post_event, mObject,
srcId, msg, ext1, ext2, NULL);
}
if (env->ExceptionCheck()) {
ALOGW("An exception occurred while notifying an event.");
LOGW_EX(env);
env->ExceptionClear();
}
}
// ----------------------------------------------------------------------------
static sp<MediaPlayer2> getMediaPlayer(JNIEnv* env, jobject thiz)
{
Mutex::Autolock l(sLock);
MediaPlayer2* const p = (MediaPlayer2*)env->GetLongField(thiz, fields.context);
return sp<MediaPlayer2>(p);
}
static sp<MediaPlayer2> setMediaPlayer(JNIEnv* env, jobject thiz, const sp<MediaPlayer2>& player)
{
Mutex::Autolock l(sLock);
sp<MediaPlayer2> old = (MediaPlayer2*)env->GetLongField(thiz, fields.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<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp != 0) {
int64_t srcId = 0;
mp->getSrcId(&srcId);
mp->notify(srcId, MEDIA2_ERROR, opStatus, 0);
}
}
} else { // Throw exception!
if ( opStatus == (status_t) INVALID_OPERATION ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
} else if ( opStatus == (status_t) BAD_VALUE ) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
} else if ( opStatus == (status_t) PERMISSION_DENIED ) {
jniThrowException(env, "java/lang/SecurityException", NULL);
} else if ( opStatus != (status_t) OK ) {
if (strlen(message) > 230) {
// if the message is too long, don't bother displaying the status code
jniThrowException( env, exception, message);
} else {
char msg[256];
// append the status code to the message
sprintf(msg, "%s: status=0x%X", message, opStatus);
jniThrowException( env, exception, msg);
}
}
}
}
static void
android_media_MediaPlayer2_handleDataSourceUrl(
JNIEnv *env, jobject thiz, jboolean isCurrent, jlong srcId,
jobject httpServiceObj, jstring path, jobjectArray keys, jobjectArray values) {
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
if (path == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
const char *tmp = env->GetStringUTFChars(path, NULL);
if (tmp == NULL) { // Out of memory
return;
}
ALOGV("handleDataSourceUrl: path %s, srcId %lld", tmp, (long long)srcId);
if (strncmp(tmp, "content://", 10) == 0) {
ALOGE("handleDataSourceUrl: content scheme is not supported in native code");
jniThrowException(env, "java/io/IOException",
"content scheme is not supported in native code");
return;
}
sp<DataSourceDesc> dsd = new DataSourceDesc();
dsd->mId = srcId;
dsd->mType = DataSourceDesc::TYPE_URL;
dsd->mUrl = tmp;
env->ReleaseStringUTFChars(path, tmp);
tmp = NULL;
// We build a KeyedVector out of the key and val arrays
if (!ConvertKeyValueArraysToKeyedVector(
env, keys, values, &dsd->mHeaders)) {
return;
}
sp<MediaHTTPService> httpService;
if (httpServiceObj != NULL) {
httpService = new JMedia2HTTPService(env, httpServiceObj);
}
dsd->mHttpService = httpService;
status_t err;
if (isCurrent) {
err = mp->setDataSource(dsd);
} else {
err = mp->prepareNextDataSource(dsd);
}
process_media_player_call(env, thiz, err,
"java/io/IOException", "handleDataSourceUrl failed." );
}
static void
android_media_MediaPlayer2_handleDataSourceFD(
JNIEnv *env, jobject thiz, jboolean isCurrent, jlong srcId,
jobject fileDescriptor, jlong offset, jlong length)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
if (fileDescriptor == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
ALOGV("handleDataSourceFD: srcId=%lld, fd=%d (%s), offset=%lld, length=%lld",
(long long)srcId, fd, nameForFd(fd).c_str(), (long long)offset, (long long)length);
struct stat sb;
int ret = fstat(fd, &sb);
if (ret != 0) {
ALOGE("handleDataSourceFD: fstat(%d) failed: %d, %s", fd, ret, strerror(errno));
jniThrowException(env, "java/io/IOException", "handleDataSourceFD failed fstat");
return;
}
ALOGV("st_dev = %llu", static_cast<unsigned long long>(sb.st_dev));
ALOGV("st_mode = %u", sb.st_mode);
ALOGV("st_uid = %lu", static_cast<unsigned long>(sb.st_uid));
ALOGV("st_gid = %lu", static_cast<unsigned long>(sb.st_gid));
ALOGV("st_size = %llu", static_cast<unsigned long long>(sb.st_size));
if (offset >= sb.st_size) {
ALOGE("handleDataSourceFD: offset is out of range");
jniThrowException(env, "java/lang/IllegalArgumentException",
"handleDataSourceFD failed, offset is out of range.");
return;
}
if (offset + length > sb.st_size) {
length = sb.st_size - offset;
ALOGV("handleDataSourceFD: adjusted length = %lld", (long long)length);
}
sp<DataSourceDesc> dsd = new DataSourceDesc();
dsd->mId = srcId;
dsd->mType = DataSourceDesc::TYPE_FD;
dsd->mFD = fd;
dsd->mFDOffset = offset;
dsd->mFDLength = length;
status_t err;
if (isCurrent) {
err = mp->setDataSource(dsd);
} else {
err = mp->prepareNextDataSource(dsd);
}
process_media_player_call(env, thiz, err,
"java/io/IOException", "handleDataSourceFD failed." );
}
static void
android_media_MediaPlayer2_handleDataSourceCallback(
JNIEnv *env, jobject thiz, jboolean isCurrent, jlong srcId, jobject dataSource)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
if (dataSource == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
sp<DataSource> callbackDataSource = new JMedia2DataSource(env, dataSource);
sp<DataSourceDesc> dsd = new DataSourceDesc();
dsd->mId = srcId;
dsd->mType = DataSourceDesc::TYPE_CALLBACK;
dsd->mCallbackSource = callbackDataSource;
status_t err;
if (isCurrent) {
err = mp->setDataSource(dsd);
} else {
err = mp->prepareNextDataSource(dsd);
}
process_media_player_call(env, thiz, err,
"java/lang/RuntimeException", "handleDataSourceCallback failed." );
}
static sp<ANativeWindowWrapper>
getVideoSurfaceTexture(JNIEnv* env, jobject thiz) {
ANativeWindow * const p = (ANativeWindow*)env->GetLongField(thiz, fields.surface_texture);
return new ANativeWindowWrapper(p);
}
static void
decVideoSurfaceRef(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
return;
}
ANativeWindow * const old_anw = (ANativeWindow*)env->GetLongField(thiz, fields.surface_texture);
if (old_anw != NULL) {
ANativeWindow_release(old_anw);
env->SetLongField(thiz, fields.surface_texture, (jlong)NULL);
}
}
static void
setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface, jboolean mediaPlayerMustBeAlive)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
if (mediaPlayerMustBeAlive) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
}
return;
}
decVideoSurfaceRef(env, thiz);
ANativeWindow* anw = NULL;
if (jsurface) {
anw = ANativeWindow_fromSurface(env, jsurface);
if (anw == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException",
"The surface has been released");
return;
}
}
env->SetLongField(thiz, fields.surface_texture, (jlong)anw);
// This will fail if the media player has not been initialized yet. This
// can be the case if setDisplay() on MediaPlayer2Impl.java has been called
// before setDataSource(). The redundant call to setVideoSurfaceTexture()
// in prepare/prepare covers for this case.
mp->setVideoSurfaceTexture(new ANativeWindowWrapper(anw));
}
static void
android_media_MediaPlayer2_setVideoSurface(JNIEnv *env, jobject thiz, jobject jsurface)
{
setVideoSurface(env, thiz, jsurface, true /* mediaPlayerMustBeAlive */);
}
static jobject
android_media_MediaPlayer2_getBufferingParams(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return NULL;
}
BufferingParams bp;
BufferingSettings &settings = bp.settings;
process_media_player_call(
env, thiz, mp->getBufferingSettings(&settings),
"java/lang/IllegalStateException", "unexpected error");
if (env->ExceptionCheck()) {
return nullptr;
}
ALOGV("getBufferingSettings:{%s}", settings.toString().string());
return bp.asJobject(env, gBufferingParamsFields);
}
static void
android_media_MediaPlayer2_setBufferingParams(JNIEnv *env, jobject thiz, jobject params)
{
if (params == NULL) {
return;
}
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
BufferingParams bp;
bp.fillFromJobject(env, gBufferingParamsFields, params);
ALOGV("setBufferingParams:{%s}", bp.settings.toString().string());
process_media_player_call(
env, thiz, mp->setBufferingSettings(bp.settings),
"java/lang/IllegalStateException", "unexpected error");
}
static void
android_media_MediaPlayer2_playNextDataSource(JNIEnv *env, jobject thiz, jlong srcId)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call(env, thiz, mp->playNextDataSource((int64_t)srcId),
"java/io/IOException", "playNextDataSource failed." );
}
static void
android_media_MediaPlayer2_prepare(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
// Handle the case where the display surface was set before the mp was
// initialized. We try again to make it stick.
sp<ANativeWindowWrapper> st = getVideoSurfaceTexture(env, thiz);
mp->setVideoSurfaceTexture(st);
process_media_player_call( env, thiz, mp->prepareAsync(), "java/io/IOException", "Prepare Async failed." );
}
static void
android_media_MediaPlayer2_start(JNIEnv *env, jobject thiz)
{
ALOGV("start");
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->start(), NULL, NULL );
}
static void
android_media_MediaPlayer2_stop(JNIEnv *env, jobject thiz)
{
ALOGV("stop");
sp<MediaPlayer2> 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_MediaPlayer2_pause(JNIEnv *env, jobject thiz)
{
ALOGV("pause");
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->pause(), NULL, NULL );
}
static jboolean
android_media_MediaPlayer2_isPlaying(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> 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_MediaPlayer2_setPlaybackParams(JNIEnv *env, jobject thiz, jobject params)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
PlaybackParams pbp;
pbp.fillFromJobject(env, gPlaybackParamsFields, params);
ALOGV("setPlaybackParams: %d:%f %d:%f %d:%u %d:%u",
pbp.speedSet, pbp.audioRate.mSpeed,
pbp.pitchSet, pbp.audioRate.mPitch,
pbp.audioFallbackModeSet, pbp.audioRate.mFallbackMode,
pbp.audioStretchModeSet, pbp.audioRate.mStretchMode);
AudioPlaybackRate rate;
status_t err = mp->getPlaybackSettings(&rate);
if (err == OK) {
bool updatedRate = false;
if (pbp.speedSet) {
rate.mSpeed = pbp.audioRate.mSpeed;
updatedRate = true;
}
if (pbp.pitchSet) {
rate.mPitch = pbp.audioRate.mPitch;
updatedRate = true;
}
if (pbp.audioFallbackModeSet) {
rate.mFallbackMode = pbp.audioRate.mFallbackMode;
updatedRate = true;
}
if (pbp.audioStretchModeSet) {
rate.mStretchMode = pbp.audioRate.mStretchMode;
updatedRate = true;
}
if (updatedRate) {
err = mp->setPlaybackSettings(rate);
}
}
process_media_player_call(
env, thiz, err,
"java/lang/IllegalStateException", "unexpected error");
}
static jobject
android_media_MediaPlayer2_getPlaybackParams(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return NULL;
}
PlaybackParams pbp;
AudioPlaybackRate &audioRate = pbp.audioRate;
process_media_player_call(
env, thiz, mp->getPlaybackSettings(&audioRate),
"java/lang/IllegalStateException", "unexpected error");
if (env->ExceptionCheck()) {
return nullptr;
}
ALOGV("getPlaybackSettings: %f %f %d %d",
audioRate.mSpeed, audioRate.mPitch, audioRate.mFallbackMode, audioRate.mStretchMode);
pbp.speedSet = true;
pbp.pitchSet = true;
pbp.audioFallbackModeSet = true;
pbp.audioStretchModeSet = true;
return pbp.asJobject(env, gPlaybackParamsFields);
}
static void
android_media_MediaPlayer2_setSyncParams(JNIEnv *env, jobject thiz, jobject params)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
SyncParams scp;
scp.fillFromJobject(env, gSyncParamsFields, params);
ALOGV("setSyncParams: %d:%d %d:%d %d:%f %d:%f",
scp.syncSourceSet, scp.sync.mSource,
scp.audioAdjustModeSet, scp.sync.mAudioAdjustMode,
scp.toleranceSet, scp.sync.mTolerance,
scp.frameRateSet, scp.frameRate);
AVSyncSettings avsync;
float videoFrameRate;
status_t err = mp->getSyncSettings(&avsync, &videoFrameRate);
if (err == OK) {
bool updatedSync = scp.frameRateSet;
if (scp.syncSourceSet) {
avsync.mSource = scp.sync.mSource;
updatedSync = true;
}
if (scp.audioAdjustModeSet) {
avsync.mAudioAdjustMode = scp.sync.mAudioAdjustMode;
updatedSync = true;
}
if (scp.toleranceSet) {
avsync.mTolerance = scp.sync.mTolerance;
updatedSync = true;
}
if (updatedSync) {
err = mp->setSyncSettings(avsync, scp.frameRateSet ? scp.frameRate : -1.f);
}
}
process_media_player_call(
env, thiz, err,
"java/lang/IllegalStateException", "unexpected error");
}
static jobject
android_media_MediaPlayer2_getSyncParams(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return NULL;
}
SyncParams scp;
scp.frameRate = -1.f;
process_media_player_call(
env, thiz, mp->getSyncSettings(&scp.sync, &scp.frameRate),
"java/lang/IllegalStateException", "unexpected error");
if (env->ExceptionCheck()) {
return nullptr;
}
ALOGV("getSyncSettings: %d %d %f %f",
scp.sync.mSource, scp.sync.mAudioAdjustMode, scp.sync.mTolerance, scp.frameRate);
// sanity check params
if (scp.sync.mSource >= AVSYNC_SOURCE_MAX
|| scp.sync.mAudioAdjustMode >= AVSYNC_AUDIO_ADJUST_MODE_MAX
|| scp.sync.mTolerance < 0.f
|| scp.sync.mTolerance >= AVSYNC_TOLERANCE_MAX) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return NULL;
}
scp.syncSourceSet = true;
scp.audioAdjustModeSet = true;
scp.toleranceSet = true;
scp.frameRateSet = scp.frameRate >= 0.f;
return scp.asJobject(env, gSyncParamsFields);
}
static void
android_media_MediaPlayer2_seekTo(JNIEnv *env, jobject thiz, jlong msec, jint mode)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
ALOGV("seekTo: %lld(msec), mode=%d", (long long)msec, mode);
process_media_player_call(env, thiz, mp->seekTo((int64_t)msec, (MediaPlayer2SeekMode)mode),
NULL, NULL);
}
static void
android_media_MediaPlayer2_notifyAt(JNIEnv *env, jobject thiz, jlong mediaTimeUs)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
ALOGV("notifyAt: %lld", (long long)mediaTimeUs);
process_media_player_call( env, thiz, mp->notifyAt((int64_t)mediaTimeUs), NULL, NULL );
}
static jint
android_media_MediaPlayer2_getMediaPlayer2State(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
return MEDIAPLAYER2_STATE_IDLE;
}
return (jint)mp->getMediaPlayer2State();
}
static jint
android_media_MediaPlayer2_getVideoWidth(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> 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_MediaPlayer2_getVideoHeight(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> 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 jobject
android_media_MediaPlayer2_native_getMetrics(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return 0;
}
Parcel p;
int key = FOURCC('m','t','r','X');
status_t status = mp->getParameter(key, &p);
if (status != OK) {
ALOGD("getMetrics() failed: %d", status);
return (jobject) NULL;
}
p.setDataPosition(0);
MediaAnalyticsItem *item = new MediaAnalyticsItem;
item->readFromParcel(p);
jobject mybundle = MediaMetricsJNI::writeMetricsToBundle(env, item, NULL);
// housekeeping
delete item;
item = NULL;
return mybundle;
}
static jlong
android_media_MediaPlayer2_getCurrentPosition(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return 0;
}
int64_t msec;
process_media_player_call( env, thiz, mp->getCurrentPosition(&msec), NULL, NULL );
ALOGV("getCurrentPosition: %lld (msec)", (long long)msec);
return (jlong) msec;
}
static jlong
android_media_MediaPlayer2_getDuration(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return 0;
}
int64_t msec;
process_media_player_call( env, thiz, mp->getDuration(&msec), NULL, NULL );
ALOGV("getDuration: %lld (msec)", (long long)msec);
return (jlong) msec;
}
static void
android_media_MediaPlayer2_reset(JNIEnv *env, jobject thiz)
{
ALOGV("reset");
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->reset(), NULL, NULL );
}
static jint
android_media_MediaPlayer2_getAudioStreamType(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> 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_MediaPlayer2_setParameter(JNIEnv *env, jobject thiz, jint key, jobject java_request)
{
ALOGV("setParameter: key %d", key);
sp<MediaPlayer2> 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 jobject
android_media_MediaPlayer2_getParameter(JNIEnv *env, jobject thiz, jint key)
{
ALOGV("getParameter: key %d", key);
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return NULL;
}
jobject jParcel = createJavaParcelObject(env);
if (jParcel != NULL) {
Parcel* nativeParcel = parcelForJavaObject(env, jParcel);
status_t err = mp->getParameter(key, nativeParcel);
if (err != OK) {
env->DeleteLocalRef(jParcel);
return NULL;
}
}
return jParcel;
}
static void
android_media_MediaPlayer2_setLooping(JNIEnv *env, jobject thiz, jboolean looping)
{
ALOGV("setLooping: %d", looping);
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->setLooping(looping), NULL, NULL );
}
static jboolean
android_media_MediaPlayer2_isLooping(JNIEnv *env, jobject thiz)
{
ALOGV("isLooping");
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return JNI_FALSE;
}
return mp->isLooping() ? JNI_TRUE : JNI_FALSE;
}
static void
android_media_MediaPlayer2_setVolume(JNIEnv *env, jobject thiz, jfloat leftVolume, jfloat rightVolume)
{
ALOGV("setVolume: left %f right %f", (float) leftVolume, (float) rightVolume);
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->setVolume((float) leftVolume, (float) rightVolume), NULL, NULL );
}
// Sends the request and reply parcels to the media player via the
// binder interface.
static jint
android_media_MediaPlayer2_invoke(JNIEnv *env, jobject thiz,
jobject java_request, jobject java_reply)
{
sp<MediaPlayer2> 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);
request->setDataPosition(0);
// 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_MediaPlayer2_setMetadataFilter(JNIEnv *env, jobject thiz, jobject request)
{
sp<MediaPlayer2> 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_MediaPlayer2_getMetadata(JNIEnv *env, jobject thiz, jboolean update_only,
jboolean apply_filter, jobject reply)
{
sp<MediaPlayer2> 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 MediaPlayer2, which won't run until the
// first time an instance of this class is used.
static void
android_media_MediaPlayer2_native_init(JNIEnv *env)
{
jclass clazz;
clazz = env->FindClass("android/media/MediaPlayer2Impl");
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;JIIILjava/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);
gBufferingParamsFields.init(env);
// Modular DRM
FIND_CLASS(clazz, "android/media/MediaDrm$MediaDrmStateException");
if (clazz) {
GET_METHOD_ID(gStateExceptionFields.init, clazz, "<init>", "(ILjava/lang/String;)V");
gStateExceptionFields.classId = static_cast<jclass>(env->NewGlobalRef(clazz));
env->DeleteLocalRef(clazz);
} else {
ALOGE("JNI android_media_MediaPlayer2_native_init couldn't "
"get clazz android/media/MediaDrm$MediaDrmStateException");
}
gPlaybackParamsFields.init(env);
gSyncParamsFields.init(env);
gVolumeShaperFields.init(env);
}
static void
android_media_MediaPlayer2_native_setup(JNIEnv *env, jobject thiz, jobject weak_this)
{
ALOGV("native_setup");
sp<MediaPlayer2> mp = MediaPlayer2::Create();
if (mp == NULL) {
jniThrowException(env, "java/lang/RuntimeException", "Out of memory");
return;
}
// create new listener and give it to MediaPlayer2
sp<JNIMediaPlayer2Listener> listener = new JNIMediaPlayer2Listener(env, thiz, weak_this);
mp->setListener(listener);
// Stow our new C++ MediaPlayer2 in an opaque field in the Java object.
setMediaPlayer(env, thiz, mp);
}
static void
android_media_MediaPlayer2_release(JNIEnv *env, jobject thiz)
{
ALOGV("release");
decVideoSurfaceRef(env, thiz);
sp<MediaPlayer2> mp = setMediaPlayer(env, thiz, 0);
if (mp != NULL) {
// this prevents native callbacks after the object is released
mp->setListener(0);
mp->disconnect();
}
}
static void
android_media_MediaPlayer2_native_finalize(JNIEnv *env, jobject thiz)
{
ALOGV("native_finalize");
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp != NULL) {
ALOGW("MediaPlayer2 finalized without being released");
}
android_media_MediaPlayer2_release(env, thiz);
}
static void android_media_MediaPlayer2_set_audio_session_id(JNIEnv *env, jobject thiz,
jint sessionId) {
ALOGV("set_session_id(): %d", sessionId);
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->setAudioSessionId((audio_session_t) sessionId), NULL,
NULL);
}
static jint android_media_MediaPlayer2_get_audio_session_id(JNIEnv *env, jobject thiz) {
ALOGV("get_session_id()");
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return 0;
}
return (jint) mp->getAudioSessionId();
}
static void
android_media_MediaPlayer2_setAuxEffectSendLevel(JNIEnv *env, jobject thiz, jfloat level)
{
ALOGV("setAuxEffectSendLevel: level %f", level);
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->setAuxEffectSendLevel(level), NULL, NULL );
}
static void android_media_MediaPlayer2_attachAuxEffect(JNIEnv *env, jobject thiz, jint effectId) {
ALOGV("attachAuxEffect(): %d", effectId);
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
process_media_player_call( env, thiz, mp->attachAuxEffect(effectId), NULL, NULL );
}
/////////////////////////////////////////////////////////////////////////////////////
// Modular DRM begin
// TODO: investigate if these can be shared with their MediaDrm counterparts
static void throwDrmStateException(JNIEnv *env, const char *msg, status_t err)
{
ALOGE("Illegal DRM state exception: %s (%d)", msg, err);
jobject exception = env->NewObject(gStateExceptionFields.classId,
gStateExceptionFields.init, static_cast<int>(err),
env->NewStringUTF(msg));
env->Throw(static_cast<jthrowable>(exception));
}
// TODO: investigate if these can be shared with their MediaDrm counterparts
static bool throwDrmExceptionAsNecessary(JNIEnv *env, status_t err, const char *msg = NULL)
{
const char *drmMessage = "Unknown DRM Msg";
switch (err) {
case ERROR_DRM_UNKNOWN:
drmMessage = "General DRM error";
break;
case ERROR_DRM_NO_LICENSE:
drmMessage = "No license";
break;
case ERROR_DRM_LICENSE_EXPIRED:
drmMessage = "License expired";
break;
case ERROR_DRM_SESSION_NOT_OPENED:
drmMessage = "Session not opened";
break;
case ERROR_DRM_DECRYPT_UNIT_NOT_INITIALIZED:
drmMessage = "Not initialized";
break;
case ERROR_DRM_DECRYPT:
drmMessage = "Decrypt error";
break;
case ERROR_DRM_CANNOT_HANDLE:
drmMessage = "Unsupported scheme or data format";
break;
case ERROR_DRM_TAMPER_DETECTED:
drmMessage = "Invalid state";
break;
default:
break;
}
String8 vendorMessage;
if (err >= ERROR_DRM_VENDOR_MIN && err <= ERROR_DRM_VENDOR_MAX) {
vendorMessage = String8::format("DRM vendor-defined error: %d", err);
drmMessage = vendorMessage.string();
}
if (err == BAD_VALUE) {
jniThrowException(env, "java/lang/IllegalArgumentException", msg);
return true;
} else if (err == ERROR_DRM_NOT_PROVISIONED) {
jniThrowException(env, "android/media/NotProvisionedException", msg);
return true;
} else if (err == ERROR_DRM_RESOURCE_BUSY) {
jniThrowException(env, "android/media/ResourceBusyException", msg);
return true;
} else if (err == ERROR_DRM_DEVICE_REVOKED) {
jniThrowException(env, "android/media/DeniedByServerException", msg);
return true;
} else if (err == DEAD_OBJECT) {
jniThrowException(env, "android/media/MediaDrmResetException",
"mediaserver died");
return true;
} else if (err != OK) {
String8 errbuf;
if (drmMessage != NULL) {
if (msg == NULL) {
msg = drmMessage;
} else {
errbuf = String8::format("%s: %s", msg, drmMessage);
msg = errbuf.string();
}
}
throwDrmStateException(env, msg, err);
return true;
}
return false;
}
static Vector<uint8_t> JByteArrayToVector(JNIEnv *env, jbyteArray const &byteArray)
{
Vector<uint8_t> vector;
size_t length = env->GetArrayLength(byteArray);
vector.insertAt((size_t)0, length);
env->GetByteArrayRegion(byteArray, 0, length, (jbyte *)vector.editArray());
return vector;
}
static void android_media_MediaPlayer2_prepareDrm(JNIEnv *env, jobject thiz,
jbyteArray uuidObj, jbyteArray drmSessionIdObj)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
if (uuidObj == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
Vector<uint8_t> uuid = JByteArrayToVector(env, uuidObj);
if (uuid.size() != 16) {
jniThrowException(
env,
"java/lang/IllegalArgumentException",
"invalid UUID size, expected 16 bytes");
return;
}
Vector<uint8_t> drmSessionId = JByteArrayToVector(env, drmSessionIdObj);
if (drmSessionId.size() == 0) {
jniThrowException(
env,
"java/lang/IllegalArgumentException",
"empty drmSessionId");
return;
}
status_t err = mp->prepareDrm(uuid.array(), drmSessionId);
if (err != OK) {
if (err == INVALID_OPERATION) {
jniThrowException(
env,
"java/lang/IllegalStateException",
"The player must be in prepared state.");
} else if (err == ERROR_DRM_CANNOT_HANDLE) {
jniThrowException(
env,
"android/media/UnsupportedSchemeException",
"Failed to instantiate drm object.");
} else {
throwDrmExceptionAsNecessary(env, err, "Failed to prepare DRM scheme");
}
}
}
static void android_media_MediaPlayer2_releaseDrm(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
status_t err = mp->releaseDrm();
if (err != OK) {
if (err == INVALID_OPERATION) {
jniThrowException(
env,
"java/lang/IllegalStateException",
"Can not release DRM in an active player state.");
}
}
}
// Modular DRM end
// ----------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////////////
// AudioRouting begin
static jboolean android_media_MediaPlayer2_setOutputDevice(JNIEnv *env, jobject thiz, jint device_id)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
return false;
}
return mp->setOutputDevice(device_id) == NO_ERROR;
}
static jint android_media_MediaPlayer2_getRoutedDeviceId(JNIEnv *env, jobject thiz)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
return AUDIO_PORT_HANDLE_NONE;
}
return mp->getRoutedDeviceId();
}
static void android_media_MediaPlayer2_enableDeviceCallback(
JNIEnv* env, jobject thiz, jboolean enabled)
{
sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
if (mp == NULL) {
return;
}
status_t status = mp->enableAudioDeviceCallback(enabled);
if (status != NO_ERROR) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
ALOGE("enable device callback failed: %d", status);
}
}
// AudioRouting end
// ----------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////////////
// AudioTrack.StreamEventCallback begin
static void android_media_MediaPlayer2_native_on_tear_down(JNIEnv *env __unused,
jobject thiz __unused, jlong callbackPtr, jlong userDataPtr)
{
JAudioTrack::callback_t callback = (JAudioTrack::callback_t) callbackPtr;
if (callback != NULL) {
callback(JAudioTrack::EVENT_NEW_IAUDIOTRACK, (void *) userDataPtr, NULL);
}
}
static void android_media_MediaPlayer2_native_on_stream_presentation_end(JNIEnv *env __unused,
jobject thiz __unused, jlong callbackPtr, jlong userDataPtr)
{
JAudioTrack::callback_t callback = (JAudioTrack::callback_t) callbackPtr;
if (callback != NULL) {
callback(JAudioTrack::EVENT_STREAM_END, (void *) userDataPtr, NULL);
}
}
static void android_media_MediaPlayer2_native_on_stream_data_request(JNIEnv *env __unused,
jobject thiz __unused, jlong jAudioTrackPtr, jlong callbackPtr, jlong userDataPtr)
{
JAudioTrack::callback_t callback = (JAudioTrack::callback_t) callbackPtr;
JAudioTrack* track = (JAudioTrack *) jAudioTrackPtr;
if (callback != NULL && track != NULL) {
JAudioTrack::Buffer* buffer = new JAudioTrack::Buffer();
size_t bufferSizeInFrames = track->frameCount();
audio_format_t format = track->format();
size_t bufferSizeInBytes;
if (audio_has_proportional_frames(format)) {
bufferSizeInBytes =
bufferSizeInFrames * audio_bytes_per_sample(format) * track->channelCount();
} else {
// See Javadoc of AudioTrack::getBufferSizeInFrames().
bufferSizeInBytes = bufferSizeInFrames;
}
uint8_t* byteBuffer = new uint8_t[bufferSizeInBytes];
buffer->mSize = bufferSizeInBytes;
buffer->mData = (void *) byteBuffer;
callback(JAudioTrack::EVENT_MORE_DATA, (void *) userDataPtr, buffer);
if (buffer->mSize > 0 && buffer->mData == byteBuffer) {
track->write(buffer->mData, buffer->mSize, true /* Blocking */);
}
delete[] byteBuffer;
delete buffer;
}
}
// AudioTrack.StreamEventCallback end
// ----------------------------------------------------------------------------
static const JNINativeMethod gMethods[] = {
{
"nativeHandleDataSourceUrl",
"(ZJLandroid/media/Media2HTTPService;Ljava/lang/String;[Ljava/lang/String;"
"[Ljava/lang/String;)V",
(void *)android_media_MediaPlayer2_handleDataSourceUrl
},
{
"nativeHandleDataSourceFD",
"(ZJLjava/io/FileDescriptor;JJ)V",
(void *)android_media_MediaPlayer2_handleDataSourceFD
},
{
"nativeHandleDataSourceCallback",
"(ZJLandroid/media/Media2DataSource;)V",
(void *)android_media_MediaPlayer2_handleDataSourceCallback
},
{"nativePlayNextDataSource", "(J)V", (void *)android_media_MediaPlayer2_playNextDataSource},
{"_setVideoSurface", "(Landroid/view/Surface;)V", (void *)android_media_MediaPlayer2_setVideoSurface},
{"getBufferingParams", "()Landroid/media/BufferingParams;", (void *)android_media_MediaPlayer2_getBufferingParams},
{"_setBufferingParams", "(Landroid/media/BufferingParams;)V", (void *)android_media_MediaPlayer2_setBufferingParams},
{"_prepare", "()V", (void *)android_media_MediaPlayer2_prepare},
{"_start", "()V", (void *)android_media_MediaPlayer2_start},
{"_stop", "()V", (void *)android_media_MediaPlayer2_stop},
{"native_getMediaPlayer2State", "()I", (void *)android_media_MediaPlayer2_getMediaPlayer2State},
{"getVideoWidth", "()I", (void *)android_media_MediaPlayer2_getVideoWidth},
{"getVideoHeight", "()I", (void *)android_media_MediaPlayer2_getVideoHeight},
{"native_getMetrics", "()Landroid/os/PersistableBundle;", (void *)android_media_MediaPlayer2_native_getMetrics},
{"_setPlaybackParams", "(Landroid/media/PlaybackParams;)V", (void *)android_media_MediaPlayer2_setPlaybackParams},
{"getPlaybackParams", "()Landroid/media/PlaybackParams;", (void *)android_media_MediaPlayer2_getPlaybackParams},
{"_setSyncParams", "(Landroid/media/SyncParams;)V", (void *)android_media_MediaPlayer2_setSyncParams},
{"getSyncParams", "()Landroid/media/SyncParams;", (void *)android_media_MediaPlayer2_getSyncParams},
{"_seekTo", "(JI)V", (void *)android_media_MediaPlayer2_seekTo},
{"_notifyAt", "(J)V", (void *)android_media_MediaPlayer2_notifyAt},
{"_pause", "()V", (void *)android_media_MediaPlayer2_pause},
{"isPlaying", "()Z", (void *)android_media_MediaPlayer2_isPlaying},
{"getCurrentPosition", "()J", (void *)android_media_MediaPlayer2_getCurrentPosition},
{"getDuration", "()J", (void *)android_media_MediaPlayer2_getDuration},
{"_release", "()V", (void *)android_media_MediaPlayer2_release},
{"_reset", "()V", (void *)android_media_MediaPlayer2_reset},
{"_getAudioStreamType", "()I", (void *)android_media_MediaPlayer2_getAudioStreamType},
{"setParameter", "(ILandroid/os/Parcel;)Z", (void *)android_media_MediaPlayer2_setParameter},
{"getParameter", "(I)Landroid/os/Parcel;", (void *)android_media_MediaPlayer2_getParameter},
{"setLooping", "(Z)V", (void *)android_media_MediaPlayer2_setLooping},
{"isLooping", "()Z", (void *)android_media_MediaPlayer2_isLooping},
{"_setVolume", "(FF)V", (void *)android_media_MediaPlayer2_setVolume},
{"native_invoke", "(Landroid/os/Parcel;Landroid/os/Parcel;)I",(void *)android_media_MediaPlayer2_invoke},
{"native_setMetadataFilter", "(Landroid/os/Parcel;)I", (void *)android_media_MediaPlayer2_setMetadataFilter},
{"native_getMetadata", "(ZZLandroid/os/Parcel;)Z", (void *)android_media_MediaPlayer2_getMetadata},
{"native_init", "()V", (void *)android_media_MediaPlayer2_native_init},
{"native_setup", "(Ljava/lang/Object;)V", (void *)android_media_MediaPlayer2_native_setup},
{"native_finalize", "()V", (void *)android_media_MediaPlayer2_native_finalize},
{"getAudioSessionId", "()I", (void *)android_media_MediaPlayer2_get_audio_session_id},
{"_setAudioSessionId", "(I)V", (void *)android_media_MediaPlayer2_set_audio_session_id},
{"_setAuxEffectSendLevel", "(F)V", (void *)android_media_MediaPlayer2_setAuxEffectSendLevel},
{"_attachAuxEffect", "(I)V", (void *)android_media_MediaPlayer2_attachAuxEffect},
// Modular DRM
{ "_prepareDrm", "([B[B)V", (void *)android_media_MediaPlayer2_prepareDrm },
{ "_releaseDrm", "()V", (void *)android_media_MediaPlayer2_releaseDrm },
// AudioRouting
{"native_setOutputDevice", "(I)Z", (void *)android_media_MediaPlayer2_setOutputDevice},
{"native_getRoutedDeviceId", "()I", (void *)android_media_MediaPlayer2_getRoutedDeviceId},
{"native_enableDeviceCallback", "(Z)V", (void *)android_media_MediaPlayer2_enableDeviceCallback},
// StreamEventCallback for JAudioTrack
{"native_stream_event_onTearDown", "(JJ)V", (void *)android_media_MediaPlayer2_native_on_tear_down},
{"native_stream_event_onStreamPresentationEnd", "(JJ)V", (void *)android_media_MediaPlayer2_native_on_stream_presentation_end},
{"native_stream_event_onStreamDataRequest", "(JJJ)V", (void *)android_media_MediaPlayer2_native_on_stream_data_request},
};
// This function only registers the native methods
static int register_android_media_MediaPlayer2Impl(JNIEnv *env)
{
return AndroidRuntime::registerNativeMethods(env,
"android/media/MediaPlayer2Impl", gMethods, NELEM(gMethods));
}
jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
{
JNIEnv* env = NULL;
jint result = -1;
if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
ALOGE("ERROR: GetEnv failed\n");
goto bail;
}
assert(env != NULL);
if (register_android_media_MediaPlayer2Impl(env) < 0) {
ALOGE("ERROR: MediaPlayer2 native registration failed\n");
goto bail;
}
/* success -- return valid version number */
result = JNI_VERSION_1_4;
bail:
return result;
}
// KTHXBYE
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