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LeafOS / LeafOS-Project / android_frameworks_base / e6623281c97b6fbb27c403a45247c17ffc4d23c7 / . / media / jni / android_media_MediaCodec.cpp
blob: 5850a81b82954e9fa365c98d2e99aa5ca09f532a [file] [log] [blame]
/*
* Copyright 2012, 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 "MediaCodec-JNI"
#include <utils/Log.h>
#include <type_traits>
#include "android_media_MediaCodec.h"
#include "android_media_MediaCodecLinearBlock.h"
#include "android_media_MediaCrypto.h"
#include "android_media_MediaDescrambler.h"
#include "android_media_MediaMetricsJNI.h"
#include "android_media_Streams.h"
#include "android_runtime/AndroidRuntime.h"
#include "android_runtime/android_view_Surface.h"
#include "android_util_Binder.h"
#include "jni.h"
#include <nativehelper/JNIHelp.h>
#include <nativehelper/ScopedLocalRef.h>
#include <C2AllocatorGralloc.h>
#include <C2BlockInternal.h>
#include <C2Buffer.h>
#include <C2PlatformSupport.h>
#include <android/hardware/cas/native/1.0/IDescrambler.h>
#include <android_runtime/android_hardware_HardwareBuffer.h>
#include <binder/MemoryDealer.h>
#include <cutils/compiler.h>
#include <gui/Surface.h>
#include <hidlmemory/FrameworkUtils.h>
#include <media/MediaCodecBuffer.h>
#include <media/hardware/VideoAPI.h>
#include <media/stagefright/CodecBase.h>
#include <media/stagefright/MediaCodec.h>
#include <media/stagefright/foundation/ABuffer.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/ALooper.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/foundation/AString.h>
#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/PersistentSurface.h>
#include <mediadrm/DrmUtils.h>
#include <mediadrm/ICrypto.h>
#include <private/android/AHardwareBufferHelpers.h>
#include <system/window.h>
namespace android {
// Keep these in sync with their equivalents in MediaCodec.java !!!
enum {
DEQUEUE_INFO_TRY_AGAIN_LATER = -1,
DEQUEUE_INFO_OUTPUT_FORMAT_CHANGED = -2,
DEQUEUE_INFO_OUTPUT_BUFFERS_CHANGED = -3,
};
enum {
EVENT_CALLBACK = 1,
EVENT_SET_CALLBACK = 2,
EVENT_FRAME_RENDERED = 3,
EVENT_FIRST_TUNNEL_FRAME_READY = 4,
};
// From MediaFormat.java
enum {
TYPE_NULL = 0,
TYPE_INTEGER = 1,
TYPE_LONG = 2,
TYPE_FLOAT = 3,
TYPE_STRING = 4,
TYPE_BYTE_BUFFER = 5,
};
static struct CryptoErrorCodes {
jint cryptoErrorNoKey;
jint cryptoErrorKeyExpired;
jint cryptoErrorResourceBusy;
jint cryptoErrorInsufficientOutputProtection;
jint cryptoErrorSessionNotOpened;
jint cryptoErrorInsufficientSecurity;
jint cryptoErrorUnsupportedOperation;
jint cryptoErrorFrameTooLarge;
jint cryptoErrorLostState;
} gCryptoErrorCodes;
static struct CodecActionCodes {
jint codecActionTransient;
jint codecActionRecoverable;
} gCodecActionCodes;
static struct CodecErrorCodes {
jint errorInsufficientResource;
jint errorReclaimed;
} gCodecErrorCodes;
static struct {
jclass clazz;
jfieldID mLock;
jfieldID mPersistentObject;
jmethodID ctor;
jmethodID setNativeObjectLocked;
} gPersistentSurfaceClassInfo;
static struct {
jint Unencrypted;
jint AesCtr;
jint AesCbc;
} gCryptoModes;
static struct {
jclass capsClazz;
jmethodID capsCtorId;
jclass profileLevelClazz;
jfieldID profileField;
jfieldID levelField;
} gCodecInfo;
static struct {
jclass clazz;
jobject nativeByteOrder;
jmethodID orderId;
jmethodID asReadOnlyBufferId;
jmethodID positionId;
jmethodID limitId;
jmethodID getPositionId;
jmethodID getLimitId;
} gByteBufferInfo;
static struct {
jclass clazz;
jmethodID ctorId;
jmethodID sizeId;
jmethodID getId;
jmethodID addId;
} gArrayListInfo;
static struct {
jclass clazz;
jmethodID ctorId;
jmethodID setInternalStateId;
jfieldID contextId;
jfieldID validId;
jfieldID lockId;
} gLinearBlockInfo;
static struct {
jclass clazz;
jmethodID ctorId;
jfieldID nameId;
jfieldID typeId;
} gDescriptorInfo;
struct fields_t {
jmethodID postEventFromNativeID;
jmethodID lockAndGetContextID;
jmethodID setAndUnlockContextID;
jfieldID cryptoInfoNumSubSamplesID;
jfieldID cryptoInfoNumBytesOfClearDataID;
jfieldID cryptoInfoNumBytesOfEncryptedDataID;
jfieldID cryptoInfoKeyID;
jfieldID cryptoInfoIVID;
jfieldID cryptoInfoModeID;
jfieldID cryptoInfoPatternID;
jfieldID patternEncryptBlocksID;
jfieldID patternSkipBlocksID;
jfieldID queueRequestIndexID;
jfieldID outputFrameLinearBlockID;
jfieldID outputFrameHardwareBufferID;
jfieldID outputFrameChangedKeysID;
jfieldID outputFrameFormatID;
};
static fields_t gFields;
static const void *sRefBaseOwner;
////////////////////////////////////////////////////////////////////////////////
JMediaCodec::JMediaCodec(
JNIEnv *env, jobject thiz,
const char *name, bool nameIsType, bool encoder, int pid, int uid)
: mClass(NULL),
mObject(NULL) {
jclass clazz = env->GetObjectClass(thiz);
CHECK(clazz != NULL);
mClass = (jclass)env->NewGlobalRef(clazz);
mObject = env->NewWeakGlobalRef(thiz);
mLooper = new ALooper;
mLooper->setName("MediaCodec_looper");
mLooper->start(
false, // runOnCallingThread
true, // canCallJava
ANDROID_PRIORITY_VIDEO);
if (nameIsType) {
mCodec = MediaCodec::CreateByType(mLooper, name, encoder, &mInitStatus, pid, uid);
if (mCodec == nullptr || mCodec->getName(&mNameAtCreation) != OK) {
mNameAtCreation = "(null)";
}
} else {
mCodec = MediaCodec::CreateByComponentName(mLooper, name, &mInitStatus, pid, uid);
mNameAtCreation = name;
}
CHECK((mCodec != NULL) != (mInitStatus != OK));
}
status_t JMediaCodec::initCheck() const {
return mInitStatus;
}
void JMediaCodec::registerSelf() {
mLooper->registerHandler(this);
}
void JMediaCodec::release() {
std::call_once(mReleaseFlag, [this] {
if (mCodec != NULL) {
mCodec->release();
mInitStatus = NO_INIT;
}
if (mLooper != NULL) {
mLooper->unregisterHandler(id());
mLooper->stop();
mLooper.clear();
}
});
}
void JMediaCodec::releaseAsync() {
std::call_once(mAsyncReleaseFlag, [this] {
if (mCodec != NULL) {
sp<AMessage> notify = new AMessage(kWhatAsyncReleaseComplete, this);
// Hold strong reference to this until async release is complete
notify->setObject("this", this);
mCodec->releaseAsync(notify);
}
mInitStatus = NO_INIT;
});
}
JMediaCodec::~JMediaCodec() {
if (mLooper != NULL) {
/* MediaCodec and looper should have been released explicitly already
* in setMediaCodec() (see comments in setMediaCodec()).
*
* Otherwise JMediaCodec::~JMediaCodec() might be called from within the
* message handler, doing release() there risks deadlock as MediaCodec::
* release() post synchronous message to the same looper.
*
* Print a warning and try to proceed with releasing.
*/
ALOGW("try to release MediaCodec from JMediaCodec::~JMediaCodec()...");
release();
ALOGW("done releasing MediaCodec from JMediaCodec::~JMediaCodec().");
}
JNIEnv *env = AndroidRuntime::getJNIEnv();
env->DeleteWeakGlobalRef(mObject);
mObject = NULL;
env->DeleteGlobalRef(mClass);
mClass = NULL;
}
status_t JMediaCodec::enableOnFirstTunnelFrameReadyListener(jboolean enable) {
if (enable) {
if (mOnFirstTunnelFrameReadyNotification == NULL) {
mOnFirstTunnelFrameReadyNotification = new AMessage(kWhatFirstTunnelFrameReady, this);
}
} else {
mOnFirstTunnelFrameReadyNotification.clear();
}
return mCodec->setOnFirstTunnelFrameReadyNotification(mOnFirstTunnelFrameReadyNotification);
}
status_t JMediaCodec::enableOnFrameRenderedListener(jboolean enable) {
if (enable) {
if (mOnFrameRenderedNotification == NULL) {
mOnFrameRenderedNotification = new AMessage(kWhatFrameRendered, this);
}
} else {
mOnFrameRenderedNotification.clear();
}
return mCodec->setOnFrameRenderedNotification(mOnFrameRenderedNotification);
}
status_t JMediaCodec::setCallback(jobject cb) {
if (cb != NULL) {
if (mCallbackNotification == NULL) {
mCallbackNotification = new AMessage(kWhatCallbackNotify, this);
}
} else {
mCallbackNotification.clear();
}
return mCodec->setCallback(mCallbackNotification);
}
status_t JMediaCodec::configure(
const sp<AMessage> &format,
const sp<IGraphicBufferProducer> &bufferProducer,
const sp<ICrypto> &crypto,
const sp<IDescrambler> &descrambler,
int flags) {
sp<Surface> client;
if (bufferProducer != NULL) {
mSurfaceTextureClient =
new Surface(bufferProducer, true /* controlledByApp */);
} else {
mSurfaceTextureClient.clear();
}
constexpr int32_t CONFIGURE_FLAG_ENCODE = 1;
AString mime;
CHECK(format->findString("mime", &mime));
mGraphicOutput = (mime.startsWithIgnoreCase("video/") || mime.startsWithIgnoreCase("image/"))
&& !(flags & CONFIGURE_FLAG_ENCODE);
mHasCryptoOrDescrambler = (crypto != nullptr) || (descrambler != nullptr);
mCrypto = crypto;
return mCodec->configure(
format, mSurfaceTextureClient, crypto, descrambler, flags);
}
status_t JMediaCodec::setSurface(
const sp<IGraphicBufferProducer> &bufferProducer) {
sp<Surface> client;
if (bufferProducer != NULL) {
client = new Surface(bufferProducer, true /* controlledByApp */);
}
status_t err = mCodec->setSurface(client);
if (err == OK) {
mSurfaceTextureClient = client;
}
return err;
}
status_t JMediaCodec::createInputSurface(
sp<IGraphicBufferProducer>* bufferProducer) {
return mCodec->createInputSurface(bufferProducer);
}
status_t JMediaCodec::setInputSurface(
const sp<PersistentSurface> &surface) {
return mCodec->setInputSurface(surface);
}
status_t JMediaCodec::start() {
return mCodec->start();
}
status_t JMediaCodec::stop() {
mSurfaceTextureClient.clear();
return mCodec->stop();
}
status_t JMediaCodec::flush() {
return mCodec->flush();
}
status_t JMediaCodec::reset() {
return mCodec->reset();
}
status_t JMediaCodec::queueInputBuffer(
size_t index,
size_t offset, size_t size, int64_t timeUs, uint32_t flags,
AString *errorDetailMsg) {
return mCodec->queueInputBuffer(
index, offset, size, timeUs, flags, errorDetailMsg);
}
status_t JMediaCodec::queueSecureInputBuffer(
size_t index,
size_t offset,
const CryptoPlugin::SubSample *subSamples,
size_t numSubSamples,
const uint8_t key[16],
const uint8_t iv[16],
CryptoPlugin::Mode mode,
const CryptoPlugin::Pattern &pattern,
int64_t presentationTimeUs,
uint32_t flags,
AString *errorDetailMsg) {
return mCodec->queueSecureInputBuffer(
index, offset, subSamples, numSubSamples, key, iv, mode, pattern,
presentationTimeUs, flags, errorDetailMsg);
}
status_t JMediaCodec::queueBuffer(
size_t index, const std::shared_ptr<C2Buffer> &buffer, int64_t timeUs,
uint32_t flags, const sp<AMessage> &tunings, AString *errorDetailMsg) {
return mCodec->queueBuffer(
index, buffer, timeUs, flags, tunings, errorDetailMsg);
}
status_t JMediaCodec::queueEncryptedLinearBlock(
size_t index,
const sp<hardware::HidlMemory> &buffer,
size_t offset,
const CryptoPlugin::SubSample *subSamples,
size_t numSubSamples,
const uint8_t key[16],
const uint8_t iv[16],
CryptoPlugin::Mode mode,
const CryptoPlugin::Pattern &pattern,
int64_t presentationTimeUs,
uint32_t flags,
const sp<AMessage> &tunings,
AString *errorDetailMsg) {
return mCodec->queueEncryptedBuffer(
index, buffer, offset, subSamples, numSubSamples, key, iv, mode, pattern,
presentationTimeUs, flags, tunings, errorDetailMsg);
}
status_t JMediaCodec::dequeueInputBuffer(size_t *index, int64_t timeoutUs) {
return mCodec->dequeueInputBuffer(index, timeoutUs);
}
status_t JMediaCodec::dequeueOutputBuffer(
JNIEnv *env, jobject bufferInfo, size_t *index, int64_t timeoutUs) {
size_t size, offset;
int64_t timeUs;
uint32_t flags;
status_t err = mCodec->dequeueOutputBuffer(
index, &offset, &size, &timeUs, &flags, timeoutUs);
if (err != OK) {
return err;
}
ScopedLocalRef<jclass> clazz(
env, env->FindClass("android/media/MediaCodec$BufferInfo"));
jmethodID method = env->GetMethodID(clazz.get(), "set", "(IIJI)V");
env->CallVoidMethod(bufferInfo, method, (jint)offset, (jint)size, timeUs, flags);
return OK;
}
status_t JMediaCodec::releaseOutputBuffer(
size_t index, bool render, bool updatePTS, int64_t timestampNs) {
if (updatePTS) {
return mCodec->renderOutputBufferAndRelease(index, timestampNs);
}
return render
? mCodec->renderOutputBufferAndRelease(index)
: mCodec->releaseOutputBuffer(index);
}
status_t JMediaCodec::signalEndOfInputStream() {
return mCodec->signalEndOfInputStream();
}
status_t JMediaCodec::getFormat(JNIEnv *env, bool input, jobject *format) const {
sp<AMessage> msg;
status_t err;
err = input ? mCodec->getInputFormat(&msg) : mCodec->getOutputFormat(&msg);
if (err != OK) {
return err;
}
return ConvertMessageToMap(env, msg, format);
}
status_t JMediaCodec::getOutputFormat(JNIEnv *env, size_t index, jobject *format) const {
sp<AMessage> msg;
status_t err;
if ((err = mCodec->getOutputFormat(index, &msg)) != OK) {
return err;
}
return ConvertMessageToMap(env, msg, format);
}
status_t JMediaCodec::getBuffers(
JNIEnv *env, bool input, jobjectArray *bufArray) const {
Vector<sp<MediaCodecBuffer> > buffers;
status_t err =
input
? mCodec->getInputBuffers(&buffers)
: mCodec->getOutputBuffers(&buffers);
if (err != OK) {
return err;
}
*bufArray = (jobjectArray)env->NewObjectArray(
buffers.size(), gByteBufferInfo.clazz, NULL);
if (*bufArray == NULL) {
return NO_MEMORY;
}
for (size_t i = 0; i < buffers.size(); ++i) {
const sp<MediaCodecBuffer> &buffer = buffers.itemAt(i);
jobject byteBuffer = NULL;
err = createByteBufferFromABuffer(
env, !input /* readOnly */, true /* clearBuffer */, buffer, &byteBuffer);
if (err != OK) {
return err;
}
if (byteBuffer != NULL) {
env->SetObjectArrayElement(
*bufArray, i, byteBuffer);
env->DeleteLocalRef(byteBuffer);
byteBuffer = NULL;
}
}
return OK;
}
template <typename T>
static jobject CreateByteBuffer(
JNIEnv *env, T *base, size_t capacity, size_t offset, size_t size,
bool readOnly, bool clearBuffer) {
jobject byteBuffer =
env->NewDirectByteBuffer(
const_cast<typename std::remove_const<T>::type *>(base),
capacity);
if (readOnly && byteBuffer != NULL) {
jobject readOnlyBuffer = env->CallObjectMethod(
byteBuffer, gByteBufferInfo.asReadOnlyBufferId);
env->DeleteLocalRef(byteBuffer);
byteBuffer = readOnlyBuffer;
}
if (byteBuffer == NULL) {
return nullptr;
}
jobject me = env->CallObjectMethod(
byteBuffer, gByteBufferInfo.orderId, gByteBufferInfo.nativeByteOrder);
env->DeleteLocalRef(me);
me = env->CallObjectMethod(
byteBuffer, gByteBufferInfo.limitId,
clearBuffer ? capacity : offset + size);
env->DeleteLocalRef(me);
me = env->CallObjectMethod(
byteBuffer, gByteBufferInfo.positionId,
clearBuffer ? 0 : offset);
env->DeleteLocalRef(me);
me = NULL;
return byteBuffer;
}
// static
template <typename T>
status_t JMediaCodec::createByteBufferFromABuffer(
JNIEnv *env, bool readOnly, bool clearBuffer, const sp<T> &buffer,
jobject *buf) const {
// if this is an ABuffer that doesn't actually hold any accessible memory,
// use a null ByteBuffer
*buf = NULL;
if (buffer == NULL) {
ALOGV("createByteBufferFromABuffer - given NULL, returning NULL");
return OK;
}
if (buffer->base() == NULL) {
return OK;
}
jobject byteBuffer = CreateByteBuffer(
env, buffer->base(), buffer->capacity(), buffer->offset(), buffer->size(),
readOnly, clearBuffer);
*buf = byteBuffer;
return OK;
}
status_t JMediaCodec::getBuffer(
JNIEnv *env, bool input, size_t index, jobject *buf) const {
sp<MediaCodecBuffer> buffer;
status_t err =
input
? mCodec->getInputBuffer(index, &buffer)
: mCodec->getOutputBuffer(index, &buffer);
if (err != OK) {
return err;
}
return createByteBufferFromABuffer(
env, !input /* readOnly */, input /* clearBuffer */, buffer, buf);
}
status_t JMediaCodec::getImage(
JNIEnv *env, bool input, size_t index, jobject *buf) const {
sp<MediaCodecBuffer> buffer;
status_t err =
input
? mCodec->getInputBuffer(index, &buffer)
: mCodec->getOutputBuffer(index, &buffer);
if (err != OK) {
return err;
}
// if this is an ABuffer that doesn't actually hold any accessible memory,
// use a null ByteBuffer
*buf = NULL;
if (buffer->base() == NULL) {
return OK;
}
// check if buffer is an image
sp<ABuffer> imageData;
if (!buffer->meta()->findBuffer("image-data", &imageData)) {
return OK;
}
int64_t timestamp = 0;
if (!input && buffer->meta()->findInt64("timeUs", &timestamp)) {
timestamp *= 1000; // adjust to ns
}
jobject byteBuffer = NULL;
err = createByteBufferFromABuffer(
env, !input /* readOnly */, input /* clearBuffer */, buffer, &byteBuffer);
if (err != OK) {
return OK;
}
jobject infoBuffer = NULL;
err = createByteBufferFromABuffer(
env, true /* readOnly */, true /* clearBuffer */, imageData, &infoBuffer);
if (err != OK) {
env->DeleteLocalRef(byteBuffer);
byteBuffer = NULL;
return OK;
}
jobject cropRect = NULL;
int32_t left, top, right, bottom;
if (buffer->meta()->findRect("crop-rect", &left, &top, &right, &bottom)) {
ScopedLocalRef<jclass> rectClazz(
env, env->FindClass("android/graphics/Rect"));
CHECK(rectClazz.get() != NULL);
jmethodID rectConstructID = env->GetMethodID(
rectClazz.get(), "<init>", "(IIII)V");
cropRect = env->NewObject(
rectClazz.get(), rectConstructID, left, top, right + 1, bottom + 1);
}
ScopedLocalRef<jclass> imageClazz(
env, env->FindClass("android/media/MediaCodec$MediaImage"));
CHECK(imageClazz.get() != NULL);
jmethodID imageConstructID = env->GetMethodID(imageClazz.get(), "<init>",
"(Ljava/nio/ByteBuffer;Ljava/nio/ByteBuffer;ZJIILandroid/graphics/Rect;)V");
*buf = env->NewObject(imageClazz.get(), imageConstructID,
byteBuffer, infoBuffer,
(jboolean)!input /* readOnly */,
(jlong)timestamp,
(jint)0 /* xOffset */, (jint)0 /* yOffset */, cropRect);
// if MediaImage creation fails, return null
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
env->ExceptionClear();
*buf = NULL;
}
if (cropRect != NULL) {
env->DeleteLocalRef(cropRect);
cropRect = NULL;
}
env->DeleteLocalRef(byteBuffer);
byteBuffer = NULL;
env->DeleteLocalRef(infoBuffer);
infoBuffer = NULL;
return OK;
}
status_t JMediaCodec::getOutputFrame(
JNIEnv *env, jobject frame, size_t index) const {
sp<MediaCodecBuffer> buffer;
status_t err = mCodec->getOutputBuffer(index, &buffer);
if (err != OK) {
return err;
}
if (buffer->size() > 0) {
std::shared_ptr<C2Buffer> c2Buffer = buffer->asC2Buffer();
if (c2Buffer) {
switch (c2Buffer->data().type()) {
case C2BufferData::LINEAR: {
std::unique_ptr<JMediaCodecLinearBlock> context{new JMediaCodecLinearBlock};
context->mBuffer = c2Buffer;
ScopedLocalRef<jobject> linearBlock{env, env->NewObject(
gLinearBlockInfo.clazz, gLinearBlockInfo.ctorId)};
env->CallVoidMethod(
linearBlock.get(),
gLinearBlockInfo.setInternalStateId,
(jlong)context.release(),
true);
env->SetObjectField(frame, gFields.outputFrameLinearBlockID, linearBlock.get());
break;
}
case C2BufferData::GRAPHIC: {
const C2Handle *c2Handle = c2Buffer->data().graphicBlocks().front().handle();
uint32_t width, height, format, stride, igbp_slot, generation;
uint64_t usage, igbp_id;
_UnwrapNativeCodec2GrallocMetadata(
c2Handle, &width, &height, &format, &usage, &stride, &generation,
&igbp_id, &igbp_slot);
native_handle_t *grallocHandle = UnwrapNativeCodec2GrallocHandle(c2Handle);
GraphicBuffer* graphicBuffer = new GraphicBuffer(
grallocHandle, GraphicBuffer::CLONE_HANDLE,
width, height, format, 1, usage, stride);
ScopedLocalRef<jobject> hardwareBuffer{
env,
android_hardware_HardwareBuffer_createFromAHardwareBuffer(
env, AHardwareBuffer_from_GraphicBuffer(graphicBuffer))};
env->SetObjectField(
frame, gFields.outputFrameHardwareBufferID, hardwareBuffer.get());
break;
}
case C2BufferData::LINEAR_CHUNKS: [[fallthrough]];
case C2BufferData::GRAPHIC_CHUNKS: [[fallthrough]];
case C2BufferData::INVALID: [[fallthrough]];
default:
return INVALID_OPERATION;
}
} else {
if (!mGraphicOutput) {
std::unique_ptr<JMediaCodecLinearBlock> context{new JMediaCodecLinearBlock};
context->mLegacyBuffer = buffer;
ScopedLocalRef<jobject> linearBlock{env, env->NewObject(
gLinearBlockInfo.clazz, gLinearBlockInfo.ctorId)};
env->CallVoidMethod(
linearBlock.get(),
gLinearBlockInfo.setInternalStateId,
(jlong)context.release(),
true);
env->SetObjectField(frame, gFields.outputFrameLinearBlockID, linearBlock.get());
} else {
// No-op.
}
}
}
jobject formatMap;
err = getOutputFormat(env, index, &formatMap);
if (err != OK) {
return err;
}
ScopedLocalRef<jclass> mediaFormatClass{env, env->FindClass("android/media/MediaFormat")};
ScopedLocalRef<jobject> format{env, env->NewObject(
mediaFormatClass.get(),
env->GetMethodID(mediaFormatClass.get(), "<init>", "(Ljava/util/Map;)V"),
formatMap)};
env->SetObjectField(frame, gFields.outputFrameFormatID, format.get());
env->DeleteLocalRef(formatMap);
formatMap = nullptr;
sp<RefBase> obj;
if (buffer->meta()->findObject("changedKeys", &obj) && obj) {
sp<MediaCodec::WrapperObject<std::set<std::string>>> changedKeys{
(decltype(changedKeys.get()))obj.get()};
ScopedLocalRef<jobject> changedKeysObj{env, env->GetObjectField(
frame, gFields.outputFrameChangedKeysID)};
for (const std::string &key : changedKeys->value) {
ScopedLocalRef<jstring> keyStr{env, env->NewStringUTF(key.c_str())};
(void)env->CallBooleanMethod(changedKeysObj.get(), gArrayListInfo.addId, keyStr.get());
}
}
return OK;
}
status_t JMediaCodec::getName(JNIEnv *env, jstring *nameStr) const {
AString name;
status_t err = mCodec->getName(&name);
if (err != OK) {
return err;
}
*nameStr = env->NewStringUTF(name.c_str());
return OK;
}
static jobject getCodecCapabilitiesObject(
JNIEnv *env, const char *mime, bool isEncoder,
const sp<MediaCodecInfo::Capabilities> &capabilities) {
Vector<MediaCodecInfo::ProfileLevel> profileLevels;
Vector<uint32_t> colorFormats;
sp<AMessage> defaultFormat = new AMessage();
defaultFormat->setString("mime", mime);
capabilities->getSupportedColorFormats(&colorFormats);
capabilities->getSupportedProfileLevels(&profileLevels);
sp<AMessage> details = capabilities->getDetails();
jobject defaultFormatObj = NULL;
if (ConvertMessageToMap(env, defaultFormat, &defaultFormatObj)) {
return NULL;
}
ScopedLocalRef<jobject> defaultFormatRef(env, defaultFormatObj);
jobject detailsObj = NULL;
if (ConvertMessageToMap(env, details, &detailsObj)) {
return NULL;
}
ScopedLocalRef<jobject> detailsRef(env, detailsObj);
ScopedLocalRef<jobjectArray> profileLevelArray(env, env->NewObjectArray(
profileLevels.size(), gCodecInfo.profileLevelClazz, NULL));
for (size_t i = 0; i < profileLevels.size(); ++i) {
const MediaCodecInfo::ProfileLevel &src = profileLevels.itemAt(i);
ScopedLocalRef<jobject> srcRef(env, env->AllocObject(
gCodecInfo.profileLevelClazz));
env->SetIntField(srcRef.get(), gCodecInfo.profileField, src.mProfile);
env->SetIntField(srcRef.get(), gCodecInfo.levelField, src.mLevel);
env->SetObjectArrayElement(profileLevelArray.get(), i, srcRef.get());
}
ScopedLocalRef<jintArray> colorFormatsArray(
env, env->NewIntArray(colorFormats.size()));
for (size_t i = 0; i < colorFormats.size(); ++i) {
jint val = colorFormats.itemAt(i);
env->SetIntArrayRegion(colorFormatsArray.get(), i, 1, &val);
}
return env->NewObject(
gCodecInfo.capsClazz, gCodecInfo.capsCtorId,
profileLevelArray.get(), colorFormatsArray.get(), isEncoder,
defaultFormatRef.get(), detailsRef.get());
}
status_t JMediaCodec::getCodecInfo(JNIEnv *env, jobject *codecInfoObject) const {
sp<MediaCodecInfo> codecInfo;
status_t err = mCodec->getCodecInfo(&codecInfo);
if (err != OK) {
return err;
}
ScopedLocalRef<jstring> nameObject(env,
env->NewStringUTF(mNameAtCreation.c_str()));
ScopedLocalRef<jstring> canonicalNameObject(env,
env->NewStringUTF(codecInfo->getCodecName()));
MediaCodecInfo::Attributes attributes = codecInfo->getAttributes();
bool isEncoder = codecInfo->isEncoder();
Vector<AString> mediaTypes;
codecInfo->getSupportedMediaTypes(&mediaTypes);
ScopedLocalRef<jobjectArray> capsArrayObj(env,
env->NewObjectArray(mediaTypes.size(), gCodecInfo.capsClazz, NULL));
for (size_t i = 0; i < mediaTypes.size(); i++) {
const sp<MediaCodecInfo::Capabilities> caps =
codecInfo->getCapabilitiesFor(mediaTypes[i].c_str());
ScopedLocalRef<jobject> capsObj(env, getCodecCapabilitiesObject(
env, mediaTypes[i].c_str(), isEncoder, caps));
env->SetObjectArrayElement(capsArrayObj.get(), i, capsObj.get());
}
ScopedLocalRef<jclass> codecInfoClazz(env,
env->FindClass("android/media/MediaCodecInfo"));
CHECK(codecInfoClazz.get() != NULL);
jmethodID codecInfoCtorID = env->GetMethodID(codecInfoClazz.get(), "<init>",
"(Ljava/lang/String;Ljava/lang/String;I[Landroid/media/MediaCodecInfo$CodecCapabilities;)V");
*codecInfoObject = env->NewObject(codecInfoClazz.get(), codecInfoCtorID,
nameObject.get(), canonicalNameObject.get(), attributes, capsArrayObj.get());
return OK;
}
status_t JMediaCodec::getMetrics(JNIEnv *, mediametrics::Item * &reply) const {
mediametrics_handle_t reply2 = mediametrics::Item::convert(reply);
status_t status = mCodec->getMetrics(reply2);
// getMetrics() updates reply2, pass the converted update along to our caller.
reply = mediametrics::Item::convert(reply2);
return status;
}
status_t JMediaCodec::setParameters(const sp<AMessage> &msg) {
return mCodec->setParameters(msg);
}
void JMediaCodec::setVideoScalingMode(int mode) {
if (mSurfaceTextureClient != NULL) {
// this works for components that queue to surface
native_window_set_scaling_mode(mSurfaceTextureClient.get(), mode);
// also signal via param for components that queue to IGBP
sp<AMessage> msg = new AMessage;
msg->setInt32("android._video-scaling", mode);
(void)mCodec->setParameters(msg);
}
}
void JMediaCodec::selectAudioPresentation(const int32_t presentationId, const int32_t programId) {
sp<AMessage> msg = new AMessage;
msg->setInt32("audio-presentation-presentation-id", presentationId);
msg->setInt32("audio-presentation-program-id", programId);
(void)mCodec->setParameters(msg);
}
status_t JMediaCodec::querySupportedVendorParameters(JNIEnv *env, jobject *namesObj) {
std::vector<std::string> names;
status_t status = mCodec->querySupportedVendorParameters(&names);
if (status != OK) {
return status;
}
*namesObj = env->NewObject(gArrayListInfo.clazz, gArrayListInfo.ctorId);
for (const std::string &name : names) {
ScopedLocalRef<jstring> nameStr{env, env->NewStringUTF(name.c_str())};
(void)env->CallBooleanMethod(*namesObj, gArrayListInfo.addId, nameStr.get());
}
return OK;
}
status_t JMediaCodec::describeParameter(JNIEnv *env, jstring name, jobject *descObj) {
const char *tmp = env->GetStringUTFChars(name, nullptr);
CodecParameterDescriptor desc;
status_t status = mCodec->describeParameter(tmp, &desc);
env->ReleaseStringUTFChars(name, tmp);
if (status != OK) {
return status;
}
jint type = TYPE_NULL;
switch (desc.type) {
case AMessage::kTypeInt32: type = TYPE_INTEGER; break;
case AMessage::kTypeSize:
case AMessage::kTypeInt64: type = TYPE_LONG; break;
case AMessage::kTypeFloat: type = TYPE_FLOAT; break;
case AMessage::kTypeString: type = TYPE_STRING; break;
case AMessage::kTypeBuffer: type = TYPE_BYTE_BUFFER; break;
default: type = TYPE_NULL; break;
}
if (type == TYPE_NULL) {
return BAD_VALUE;
}
*descObj = env->NewObject(gDescriptorInfo.clazz, gDescriptorInfo.ctorId);
env->SetObjectField(*descObj, gDescriptorInfo.nameId, name);
env->SetIntField(*descObj, gDescriptorInfo.typeId, type);
return OK;
}
static void BuildVectorFromList(JNIEnv *env, jobject list, std::vector<std::string> *vec) {
ScopedLocalRef<jclass> listClazz{env, env->FindClass("java/util/List")};
ScopedLocalRef<jclass> iterClazz{env, env->FindClass("java/util/Iterator")};
jmethodID hasNextID = env->GetMethodID(iterClazz.get(), "hasNext", "()Z");
jmethodID nextID = env->GetMethodID(iterClazz.get(), "next", "()Ljava/lang/Object;");
jobject it = env->CallObjectMethod(
list, env->GetMethodID(listClazz.get(), "iterator", "()Ljava/util/Iterator;"));
while (env->CallBooleanMethod(it, hasNextID)) {
jstring name = (jstring)env->CallObjectMethod(it, nextID);
const char *tmp = env->GetStringUTFChars(name, nullptr);
vec->push_back(tmp);
env->ReleaseStringUTFChars(name, tmp);
}
}
status_t JMediaCodec::subscribeToVendorParameters(JNIEnv *env, jobject namesObj) {
std::vector<std::string> names;
BuildVectorFromList(env, namesObj, &names);
return mCodec->subscribeToVendorParameters(names);
}
status_t JMediaCodec::unsubscribeFromVendorParameters(JNIEnv *env, jobject namesObj) {
std::vector<std::string> names;
BuildVectorFromList(env, namesObj, &names);
return mCodec->unsubscribeFromVendorParameters(names);
}
static jthrowable createCodecException(
JNIEnv *env, status_t err, int32_t actionCode, const char *msg = NULL) {
ScopedLocalRef<jclass> clazz(
env, env->FindClass("android/media/MediaCodec$CodecException"));
CHECK(clazz.get() != NULL);
const jmethodID ctor = env->GetMethodID(clazz.get(), "<init>", "(IILjava/lang/String;)V");
CHECK(ctor != NULL);
ScopedLocalRef<jstring> msgObj(
env, env->NewStringUTF(msg != NULL ? msg : String8::format("Error %#x", err)));
// translate action code to Java equivalent
switch (actionCode) {
case ACTION_CODE_TRANSIENT:
actionCode = gCodecActionCodes.codecActionTransient;
break;
case ACTION_CODE_RECOVERABLE:
actionCode = gCodecActionCodes.codecActionRecoverable;
break;
default:
actionCode = 0; // everything else is fatal
break;
}
/* translate OS errors to Java API CodecException errorCodes */
switch (err) {
case NO_MEMORY:
err = gCodecErrorCodes.errorInsufficientResource;
break;
case DEAD_OBJECT:
err = gCodecErrorCodes.errorReclaimed;
break;
default: /* Other error codes go out as is. */
break;
}
return (jthrowable)env->NewObject(clazz.get(), ctor, err, actionCode, msgObj.get());
}
void JMediaCodec::handleCallback(const sp<AMessage> &msg) {
int32_t arg1, arg2 = 0;
jobject obj = NULL;
CHECK(msg->findInt32("callbackID", &arg1));
JNIEnv *env = AndroidRuntime::getJNIEnv();
switch (arg1) {
case MediaCodec::CB_INPUT_AVAILABLE:
{
CHECK(msg->findInt32("index", &arg2));
break;
}
case MediaCodec::CB_OUTPUT_AVAILABLE:
{
CHECK(msg->findInt32("index", &arg2));
size_t size, offset;
int64_t timeUs;
uint32_t flags;
CHECK(msg->findSize("size", &size));
CHECK(msg->findSize("offset", &offset));
CHECK(msg->findInt64("timeUs", &timeUs));
CHECK(msg->findInt32("flags", (int32_t *)&flags));
ScopedLocalRef<jclass> clazz(
env, env->FindClass("android/media/MediaCodec$BufferInfo"));
jmethodID ctor = env->GetMethodID(clazz.get(), "<init>", "()V");
jmethodID method = env->GetMethodID(clazz.get(), "set", "(IIJI)V");
obj = env->NewObject(clazz.get(), ctor);
if (obj == NULL) {
if (env->ExceptionCheck()) {
ALOGE("Could not create MediaCodec.BufferInfo.");
env->ExceptionClear();
}
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
env->CallVoidMethod(obj, method, (jint)offset, (jint)size, timeUs, flags);
break;
}
case MediaCodec::CB_ERROR:
{
int32_t err, actionCode;
CHECK(msg->findInt32("err", &err));
CHECK(msg->findInt32("actionCode", &actionCode));
// note that DRM errors could conceivably alias into a CodecException
obj = (jobject)createCodecException(env, err, actionCode);
if (obj == NULL) {
if (env->ExceptionCheck()) {
ALOGE("Could not create CodecException object.");
env->ExceptionClear();
}
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
break;
}
case MediaCodec::CB_OUTPUT_FORMAT_CHANGED:
{
sp<AMessage> format;
CHECK(msg->findMessage("format", &format));
if (OK != ConvertMessageToMap(env, format, &obj)) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
break;
}
default:
TRESPASS();
}
env->CallVoidMethod(
mObject,
gFields.postEventFromNativeID,
EVENT_CALLBACK,
arg1,
arg2,
obj);
env->DeleteLocalRef(obj);
}
void JMediaCodec::handleFirstTunnelFrameReadyNotification(const sp<AMessage> &msg) {
int32_t arg1 = 0, arg2 = 0;
jobject obj = NULL;
JNIEnv *env = AndroidRuntime::getJNIEnv();
sp<AMessage> data;
CHECK(msg->findMessage("data", &data));
status_t err = ConvertMessageToMap(env, data, &obj);
if (err != OK) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
env->CallVoidMethod(
mObject, gFields.postEventFromNativeID,
EVENT_FIRST_TUNNEL_FRAME_READY, arg1, arg2, obj);
env->DeleteLocalRef(obj);
}
void JMediaCodec::handleFrameRenderedNotification(const sp<AMessage> &msg) {
int32_t arg1 = 0, arg2 = 0;
jobject obj = NULL;
JNIEnv *env = AndroidRuntime::getJNIEnv();
sp<AMessage> data;
CHECK(msg->findMessage("data", &data));
status_t err = ConvertMessageToMap(env, data, &obj);
if (err != OK) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
env->CallVoidMethod(
mObject, gFields.postEventFromNativeID,
EVENT_FRAME_RENDERED, arg1, arg2, obj);
env->DeleteLocalRef(obj);
}
void JMediaCodec::onMessageReceived(const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatCallbackNotify:
{
handleCallback(msg);
break;
}
case kWhatFrameRendered:
{
handleFrameRenderedNotification(msg);
break;
}
case kWhatAsyncReleaseComplete:
{
if (mLooper != NULL) {
mLooper->unregisterHandler(id());
mLooper->stop();
mLooper.clear();
}
break;
}
case kWhatFirstTunnelFrameReady:
{
handleFirstTunnelFrameReadyNotification(msg);
break;
}
default:
TRESPASS();
}
}
jint MediaErrorToJavaError(status_t err);
} // namespace android
////////////////////////////////////////////////////////////////////////////////
using namespace android;
static sp<JMediaCodec> setMediaCodec(
JNIEnv *env, jobject thiz, const sp<JMediaCodec> &codec, bool release = true) {
sp<JMediaCodec> old = (JMediaCodec *)env->CallLongMethod(thiz, gFields.lockAndGetContextID);
if (codec != NULL) {
codec->incStrong(thiz);
}
if (old != NULL) {
/* release MediaCodec and stop the looper now before decStrong.
* otherwise JMediaCodec::~JMediaCodec() could be called from within
* its message handler, doing release() from there will deadlock
* (as MediaCodec::release() post synchronous message to the same looper)
*/
if (release) {
old->release();
}
old->decStrong(thiz);
}
env->CallVoidMethod(thiz, gFields.setAndUnlockContextID, (jlong)codec.get());
return old;
}
static sp<JMediaCodec> getMediaCodec(JNIEnv *env, jobject thiz) {
sp<JMediaCodec> codec = (JMediaCodec *)env->CallLongMethod(thiz, gFields.lockAndGetContextID);
env->CallVoidMethod(thiz, gFields.setAndUnlockContextID, (jlong)codec.get());
return codec;
}
static void android_media_MediaCodec_release(JNIEnv *env, jobject thiz) {
// Clear Java native reference.
sp<JMediaCodec> codec = setMediaCodec(env, thiz, nullptr, false /* release */);
if (codec != NULL) {
codec->releaseAsync();
}
}
static void throwCodecException(JNIEnv *env, status_t err, int32_t actionCode, const char *msg) {
jthrowable exception = createCodecException(env, err, actionCode, msg);
env->Throw(exception);
}
static void throwCryptoException(JNIEnv *env, status_t err, const char *msg,
const sp<ICrypto> &crypto) {
ScopedLocalRef<jclass> clazz(
env, env->FindClass("android/media/MediaCodec$CryptoException"));
CHECK(clazz.get() != NULL);
jmethodID constructID =
env->GetMethodID(clazz.get(), "<init>", "(ILjava/lang/String;)V");
CHECK(constructID != NULL);
std::string defaultMsg = "Unknown Error";
/* translate OS errors to Java API CryptoException errorCodes (which are positive) */
jint jerr = 0;
switch (err) {
case ERROR_DRM_NO_LICENSE:
jerr = gCryptoErrorCodes.cryptoErrorNoKey;
defaultMsg = "Crypto key not available";
break;
case ERROR_DRM_LICENSE_EXPIRED:
jerr = gCryptoErrorCodes.cryptoErrorKeyExpired;
defaultMsg = "License expired";
break;
case ERROR_DRM_RESOURCE_BUSY:
jerr = gCryptoErrorCodes.cryptoErrorResourceBusy;
defaultMsg = "Resource busy or unavailable";
break;
case ERROR_DRM_INSUFFICIENT_OUTPUT_PROTECTION:
jerr = gCryptoErrorCodes.cryptoErrorInsufficientOutputProtection;
defaultMsg = "Required output protections are not active";
break;
case ERROR_DRM_SESSION_NOT_OPENED:
jerr = gCryptoErrorCodes.cryptoErrorSessionNotOpened;
defaultMsg = "Attempted to use a closed session";
break;
case ERROR_DRM_INSUFFICIENT_SECURITY:
jerr = gCryptoErrorCodes.cryptoErrorInsufficientSecurity;
defaultMsg = "Required security level is not met";
break;
case ERROR_DRM_CANNOT_HANDLE:
jerr = gCryptoErrorCodes.cryptoErrorUnsupportedOperation;
defaultMsg = "Operation not supported in this configuration";
break;
case ERROR_DRM_FRAME_TOO_LARGE:
jerr = gCryptoErrorCodes.cryptoErrorFrameTooLarge;
defaultMsg = "Decrytped frame exceeds size of output buffer";
break;
case ERROR_DRM_SESSION_LOST_STATE:
jerr = gCryptoErrorCodes.cryptoErrorLostState;
defaultMsg = "Session state was lost, open a new session and retry";
break;
default: /* Other negative DRM error codes go out best-effort. */
jerr = MediaErrorToJavaError(err);
defaultMsg = StrCryptoError(err);
break;
}
std::string msgStr(msg != NULL ? msg : defaultMsg.c_str());
if (crypto != NULL) {
msgStr = DrmUtils::GetExceptionMessage(err, msgStr.c_str(), crypto);
}
jstring msgObj = env->NewStringUTF(msgStr.c_str());
jthrowable exception =
(jthrowable)env->NewObject(clazz.get(), constructID, jerr, msgObj);
env->Throw(exception);
}
static jint throwExceptionAsNecessary(
JNIEnv *env, status_t err, int32_t actionCode = ACTION_CODE_FATAL,
const char *msg = NULL, const sp<ICrypto>& crypto = NULL) {
switch (err) {
case OK:
return 0;
case -EAGAIN:
return DEQUEUE_INFO_TRY_AGAIN_LATER;
case INFO_FORMAT_CHANGED:
return DEQUEUE_INFO_OUTPUT_FORMAT_CHANGED;
case INFO_OUTPUT_BUFFERS_CHANGED:
return DEQUEUE_INFO_OUTPUT_BUFFERS_CHANGED;
case INVALID_OPERATION:
jniThrowException(env, "java/lang/IllegalStateException", msg);
return 0;
case BAD_VALUE:
jniThrowException(env, "java/lang/IllegalArgumentException", msg);
return 0;
default:
if (isCryptoError(err)) {
throwCryptoException(env, err, msg, crypto);
return 0;
}
throwCodecException(env, err, actionCode, msg);
return 0;
}
}
static void android_media_MediaCodec_native_enableOnFirstTunnelFrameReadyListener(
JNIEnv *env,
jobject thiz,
jboolean enabled) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->enableOnFirstTunnelFrameReadyListener(enabled);
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_native_enableOnFrameRenderedListener(
JNIEnv *env,
jobject thiz,
jboolean enabled) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->enableOnFrameRenderedListener(enabled);
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_native_setCallback(
JNIEnv *env,
jobject thiz,
jobject cb) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->setCallback(cb);
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_native_configure(
JNIEnv *env,
jobject thiz,
jobjectArray keys, jobjectArray values,
jobject jsurface,
jobject jcrypto,
jobject descramblerBinderObj,
jint flags) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
sp<AMessage> format;
status_t err = ConvertKeyValueArraysToMessage(env, keys, values, &format);
if (err != OK) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
sp<IGraphicBufferProducer> bufferProducer;
if (jsurface != NULL) {
sp<Surface> surface(android_view_Surface_getSurface(env, jsurface));
if (surface != NULL) {
bufferProducer = surface->getIGraphicBufferProducer();
} else {
jniThrowException(
env,
"java/lang/IllegalArgumentException",
"The surface has been released");
return;
}
}
sp<ICrypto> crypto;
if (jcrypto != NULL) {
crypto = JCrypto::GetCrypto(env, jcrypto);
}
sp<IDescrambler> descrambler;
if (descramblerBinderObj != NULL) {
descrambler = GetDescrambler(env, descramblerBinderObj);
}
err = codec->configure(format, bufferProducer, crypto, descrambler, flags);
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_native_setSurface(
JNIEnv *env,
jobject thiz,
jobject jsurface) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
sp<IGraphicBufferProducer> bufferProducer;
if (jsurface != NULL) {
sp<Surface> surface(android_view_Surface_getSurface(env, jsurface));
if (surface != NULL) {
bufferProducer = surface->getIGraphicBufferProducer();
} else {
jniThrowException(
env,
"java/lang/IllegalArgumentException",
"The surface has been released");
return;
}
}
status_t err = codec->setSurface(bufferProducer);
throwExceptionAsNecessary(env, err);
}
sp<PersistentSurface> android_media_MediaCodec_getPersistentInputSurface(
JNIEnv* env, jobject object) {
sp<PersistentSurface> persistentSurface;
jobject lock = env->GetObjectField(
object, gPersistentSurfaceClassInfo.mLock);
if (env->MonitorEnter(lock) == JNI_OK) {
persistentSurface = reinterpret_cast<PersistentSurface *>(
env->GetLongField(object,
gPersistentSurfaceClassInfo.mPersistentObject));
env->MonitorExit(lock);
}
env->DeleteLocalRef(lock);
return persistentSurface;
}
static jobject android_media_MediaCodec_createPersistentInputSurface(
JNIEnv* env, jclass /* clazz */) {
ALOGV("android_media_MediaCodec_createPersistentInputSurface");
sp<PersistentSurface> persistentSurface =
MediaCodec::CreatePersistentInputSurface();
if (persistentSurface == NULL) {
return NULL;
}
sp<Surface> surface = new Surface(
persistentSurface->getBufferProducer(), true);
if (surface == NULL) {
return NULL;
}
jobject object = env->NewObject(
gPersistentSurfaceClassInfo.clazz,
gPersistentSurfaceClassInfo.ctor);
if (object == NULL) {
if (env->ExceptionCheck()) {
ALOGE("Could not create PersistentSurface.");
env->ExceptionClear();
}
return NULL;
}
jobject lock = env->GetObjectField(
object, gPersistentSurfaceClassInfo.mLock);
if (env->MonitorEnter(lock) == JNI_OK) {
env->CallVoidMethod(
object,
gPersistentSurfaceClassInfo.setNativeObjectLocked,
(jlong)surface.get());
env->SetLongField(
object,
gPersistentSurfaceClassInfo.mPersistentObject,
(jlong)persistentSurface.get());
env->MonitorExit(lock);
} else {
env->DeleteLocalRef(object);
object = NULL;
}
env->DeleteLocalRef(lock);
if (object != NULL) {
surface->incStrong(&sRefBaseOwner);
persistentSurface->incStrong(&sRefBaseOwner);
}
return object;
}
static void android_media_MediaCodec_releasePersistentInputSurface(
JNIEnv* env, jclass /* clazz */, jobject object) {
sp<PersistentSurface> persistentSurface;
jobject lock = env->GetObjectField(
object, gPersistentSurfaceClassInfo.mLock);
if (env->MonitorEnter(lock) == JNI_OK) {
persistentSurface = reinterpret_cast<PersistentSurface *>(
env->GetLongField(
object, gPersistentSurfaceClassInfo.mPersistentObject));
env->SetLongField(
object,
gPersistentSurfaceClassInfo.mPersistentObject,
(jlong)0);
env->MonitorExit(lock);
}
env->DeleteLocalRef(lock);
if (persistentSurface != NULL) {
persistentSurface->decStrong(&sRefBaseOwner);
}
// no need to release surface as it will be released by Surface's jni
}
static void android_media_MediaCodec_setInputSurface(
JNIEnv* env, jobject thiz, jobject object) {
ALOGV("android_media_MediaCodec_setInputSurface");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
sp<PersistentSurface> persistentSurface =
android_media_MediaCodec_getPersistentInputSurface(env, object);
if (persistentSurface == NULL) {
throwExceptionAsNecessary(
env, BAD_VALUE, ACTION_CODE_FATAL, "input surface not valid");
return;
}
status_t err = codec->setInputSurface(persistentSurface);
if (err != NO_ERROR) {
throwExceptionAsNecessary(env, err);
}
}
static jobject android_media_MediaCodec_createInputSurface(JNIEnv* env,
jobject thiz) {
ALOGV("android_media_MediaCodec_createInputSurface");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
// Tell the MediaCodec that we want to use a Surface as input.
sp<IGraphicBufferProducer> bufferProducer;
status_t err = codec->createInputSurface(&bufferProducer);
if (err != NO_ERROR) {
throwExceptionAsNecessary(env, err);
return NULL;
}
// Wrap the IGBP in a Java-language Surface.
return android_view_Surface_createFromIGraphicBufferProducer(env,
bufferProducer);
}
static void android_media_MediaCodec_start(JNIEnv *env, jobject thiz) {
ALOGV("android_media_MediaCodec_start");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->start();
throwExceptionAsNecessary(env, err, ACTION_CODE_FATAL, "start failed");
}
static void android_media_MediaCodec_stop(JNIEnv *env, jobject thiz) {
ALOGV("android_media_MediaCodec_stop");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->stop();
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_reset(JNIEnv *env, jobject thiz) {
ALOGV("android_media_MediaCodec_reset");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->reset();
if (err != OK) {
// treat all errors as fatal for now, though resource not available
// errors could be treated as transient.
// we also should avoid sending INVALID_OPERATION here due to
// the transitory nature of reset(), it should not inadvertently
// trigger an IllegalStateException.
err = UNKNOWN_ERROR;
}
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_flush(JNIEnv *env, jobject thiz) {
ALOGV("android_media_MediaCodec_flush");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->flush();
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_queueInputBuffer(
JNIEnv *env,
jobject thiz,
jint index,
jint offset,
jint size,
jlong timestampUs,
jint flags) {
ALOGV("android_media_MediaCodec_queueInputBuffer");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
AString errorDetailMsg;
status_t err = codec->queueInputBuffer(
index, offset, size, timestampUs, flags, &errorDetailMsg);
throwExceptionAsNecessary(
env, err, ACTION_CODE_FATAL, errorDetailMsg.empty() ? NULL : errorDetailMsg.c_str());
}
struct NativeCryptoInfo {
NativeCryptoInfo(JNIEnv *env, jobject cryptoInfoObj)
: mEnv{env},
mIvObj{env, (jbyteArray)env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoIVID)},
mKeyObj{env, (jbyteArray)env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoKeyID)} {
mNumSubSamples = env->GetIntField(cryptoInfoObj, gFields.cryptoInfoNumSubSamplesID);
ScopedLocalRef<jintArray> numBytesOfClearDataObj{env, (jintArray)env->GetObjectField(
cryptoInfoObj, gFields.cryptoInfoNumBytesOfClearDataID)};
ScopedLocalRef<jintArray> numBytesOfEncryptedDataObj{env, (jintArray)env->GetObjectField(
cryptoInfoObj, gFields.cryptoInfoNumBytesOfEncryptedDataID)};
jint jmode = env->GetIntField(cryptoInfoObj, gFields.cryptoInfoModeID);
if (jmode == gCryptoModes.Unencrypted) {
mMode = CryptoPlugin::kMode_Unencrypted;
} else if (jmode == gCryptoModes.AesCtr) {
mMode = CryptoPlugin::kMode_AES_CTR;
} else if (jmode == gCryptoModes.AesCbc) {
mMode = CryptoPlugin::kMode_AES_CBC;
} else {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
ScopedLocalRef<jobject> patternObj{
env, env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoPatternID)};
if (patternObj.get() == nullptr) {
mPattern.mEncryptBlocks = 0;
mPattern.mSkipBlocks = 0;
} else {
mPattern.mEncryptBlocks = env->GetIntField(
patternObj.get(), gFields.patternEncryptBlocksID);
mPattern.mSkipBlocks = env->GetIntField(
patternObj.get(), gFields.patternSkipBlocksID);
}
mErr = OK;
if (mNumSubSamples <= 0) {
mErr = -EINVAL;
} else if (numBytesOfClearDataObj == nullptr
&& numBytesOfEncryptedDataObj == nullptr) {
mErr = -EINVAL;
} else if (numBytesOfEncryptedDataObj != nullptr
&& env->GetArrayLength(numBytesOfEncryptedDataObj.get()) < mNumSubSamples) {
mErr = -ERANGE;
} else if (numBytesOfClearDataObj != nullptr
&& env->GetArrayLength(numBytesOfClearDataObj.get()) < mNumSubSamples) {
mErr = -ERANGE;
// subSamples array may silently overflow if number of samples are too large. Use
// INT32_MAX as maximum allocation size may be less than SIZE_MAX on some platforms
} else if (CC_UNLIKELY(mNumSubSamples >= (signed)(INT32_MAX / sizeof(*mSubSamples))) ) {
mErr = -EINVAL;
} else {
jint *numBytesOfClearData =
(numBytesOfClearDataObj == nullptr)
? nullptr
: env->GetIntArrayElements(numBytesOfClearDataObj.get(), nullptr);
jint *numBytesOfEncryptedData =
(numBytesOfEncryptedDataObj == nullptr)
? nullptr
: env->GetIntArrayElements(numBytesOfEncryptedDataObj.get(), nullptr);
mSubSamples = new CryptoPlugin::SubSample[mNumSubSamples];
for (jint i = 0; i < mNumSubSamples; ++i) {
mSubSamples[i].mNumBytesOfClearData =
(numBytesOfClearData == nullptr) ? 0 : numBytesOfClearData[i];
mSubSamples[i].mNumBytesOfEncryptedData =
(numBytesOfEncryptedData == nullptr) ? 0 : numBytesOfEncryptedData[i];
}
if (numBytesOfEncryptedData != nullptr) {
env->ReleaseIntArrayElements(
numBytesOfEncryptedDataObj.get(), numBytesOfEncryptedData, 0);
numBytesOfEncryptedData = nullptr;
}
if (numBytesOfClearData != nullptr) {
env->ReleaseIntArrayElements(
numBytesOfClearDataObj.get(), numBytesOfClearData, 0);
numBytesOfClearData = nullptr;
}
}
if (mErr == OK && mKeyObj.get() != nullptr) {
if (env->GetArrayLength(mKeyObj.get()) != 16) {
mErr = -EINVAL;
} else {
mKey = env->GetByteArrayElements(mKeyObj.get(), nullptr);
}
}
if (mErr == OK && mIvObj.get() != nullptr) {
if (env->GetArrayLength(mIvObj.get()) != 16) {
mErr = -EINVAL;
} else {
mIv = env->GetByteArrayElements(mIvObj.get(), nullptr);
}
}
}
explicit NativeCryptoInfo(jint size)
: mIvObj{nullptr, nullptr},
mKeyObj{nullptr, nullptr},
mMode{CryptoPlugin::kMode_Unencrypted},
mPattern{0, 0} {
mSubSamples = new CryptoPlugin::SubSample[1];
mNumSubSamples = 1;
mSubSamples[0].mNumBytesOfClearData = size;
mSubSamples[0].mNumBytesOfEncryptedData = 0;
}
~NativeCryptoInfo() {
if (mIv != nullptr) {
mEnv->ReleaseByteArrayElements(mIvObj.get(), mIv, 0);
}
if (mKey != nullptr) {
mEnv->ReleaseByteArrayElements(mKeyObj.get(), mKey, 0);
}
if (mSubSamples != nullptr) {
delete[] mSubSamples;
}
}
JNIEnv *mEnv{nullptr};
ScopedLocalRef<jbyteArray> mIvObj;
ScopedLocalRef<jbyteArray> mKeyObj;
status_t mErr{OK};
CryptoPlugin::SubSample *mSubSamples{nullptr};
int32_t mNumSubSamples{0};
jbyte *mIv{nullptr};
jbyte *mKey{nullptr};
enum CryptoPlugin::Mode mMode;
CryptoPlugin::Pattern mPattern;
};
static void android_media_MediaCodec_queueSecureInputBuffer(
JNIEnv *env,
jobject thiz,
jint index,
jint offset,
jobject cryptoInfoObj,
jlong timestampUs,
jint flags) {
ALOGV("android_media_MediaCodec_queueSecureInputBuffer");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
jint numSubSamples =
env->GetIntField(cryptoInfoObj, gFields.cryptoInfoNumSubSamplesID);
jintArray numBytesOfClearDataObj =
(jintArray)env->GetObjectField(
cryptoInfoObj, gFields.cryptoInfoNumBytesOfClearDataID);
jintArray numBytesOfEncryptedDataObj =
(jintArray)env->GetObjectField(
cryptoInfoObj, gFields.cryptoInfoNumBytesOfEncryptedDataID);
jbyteArray keyObj =
(jbyteArray)env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoKeyID);
jbyteArray ivObj =
(jbyteArray)env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoIVID);
jint jmode = env->GetIntField(cryptoInfoObj, gFields.cryptoInfoModeID);
enum CryptoPlugin::Mode mode;
if (jmode == gCryptoModes.Unencrypted) {
mode = CryptoPlugin::kMode_Unencrypted;
} else if (jmode == gCryptoModes.AesCtr) {
mode = CryptoPlugin::kMode_AES_CTR;
} else if (jmode == gCryptoModes.AesCbc) {
mode = CryptoPlugin::kMode_AES_CBC;
} else {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
jobject patternObj = env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoPatternID);
CryptoPlugin::Pattern pattern;
if (patternObj == NULL) {
pattern.mEncryptBlocks = 0;
pattern.mSkipBlocks = 0;
} else {
pattern.mEncryptBlocks = env->GetIntField(patternObj, gFields.patternEncryptBlocksID);
pattern.mSkipBlocks = env->GetIntField(patternObj, gFields.patternSkipBlocksID);
}
status_t err = OK;
CryptoPlugin::SubSample *subSamples = NULL;
jbyte *key = NULL;
jbyte *iv = NULL;
if (numSubSamples <= 0) {
err = -EINVAL;
} else if (numBytesOfClearDataObj == NULL
&& numBytesOfEncryptedDataObj == NULL) {
err = -EINVAL;
} else if (numBytesOfEncryptedDataObj != NULL
&& env->GetArrayLength(numBytesOfEncryptedDataObj) < numSubSamples) {
err = -ERANGE;
} else if (numBytesOfClearDataObj != NULL
&& env->GetArrayLength(numBytesOfClearDataObj) < numSubSamples) {
err = -ERANGE;
// subSamples array may silently overflow if number of samples are too large. Use
// INT32_MAX as maximum allocation size may be less than SIZE_MAX on some platforms
} else if ( CC_UNLIKELY(numSubSamples >= (signed)(INT32_MAX / sizeof(*subSamples))) ) {
err = -EINVAL;
} else {
jboolean isCopy;
jint *numBytesOfClearData =
(numBytesOfClearDataObj == NULL)
? NULL
: env->GetIntArrayElements(numBytesOfClearDataObj, &isCopy);
jint *numBytesOfEncryptedData =
(numBytesOfEncryptedDataObj == NULL)
? NULL
: env->GetIntArrayElements(numBytesOfEncryptedDataObj, &isCopy);
subSamples = new CryptoPlugin::SubSample[numSubSamples];
for (jint i = 0; i < numSubSamples; ++i) {
subSamples[i].mNumBytesOfClearData =
(numBytesOfClearData == NULL) ? 0 : numBytesOfClearData[i];
subSamples[i].mNumBytesOfEncryptedData =
(numBytesOfEncryptedData == NULL)
? 0 : numBytesOfEncryptedData[i];
}
if (numBytesOfEncryptedData != NULL) {
env->ReleaseIntArrayElements(
numBytesOfEncryptedDataObj, numBytesOfEncryptedData, 0);
numBytesOfEncryptedData = NULL;
}
if (numBytesOfClearData != NULL) {
env->ReleaseIntArrayElements(
numBytesOfClearDataObj, numBytesOfClearData, 0);
numBytesOfClearData = NULL;
}
}
if (err == OK && keyObj != NULL) {
if (env->GetArrayLength(keyObj) != 16) {
err = -EINVAL;
} else {
jboolean isCopy;
key = env->GetByteArrayElements(keyObj, &isCopy);
}
}
if (err == OK && ivObj != NULL) {
if (env->GetArrayLength(ivObj) != 16) {
err = -EINVAL;
} else {
jboolean isCopy;
iv = env->GetByteArrayElements(ivObj, &isCopy);
}
}
AString errorDetailMsg;
if (err == OK) {
err = codec->queueSecureInputBuffer(
index, offset,
subSamples, numSubSamples,
(const uint8_t *)key, (const uint8_t *)iv,
mode,
pattern,
timestampUs,
flags,
&errorDetailMsg);
}
if (iv != NULL) {
env->ReleaseByteArrayElements(ivObj, iv, 0);
iv = NULL;
}
if (key != NULL) {
env->ReleaseByteArrayElements(keyObj, key, 0);
key = NULL;
}
delete[] subSamples;
subSamples = NULL;
throwExceptionAsNecessary(
env, err, ACTION_CODE_FATAL, errorDetailMsg.empty() ? NULL : errorDetailMsg.c_str(),
codec->getCrypto());
}
static jobject android_media_MediaCodec_mapHardwareBuffer(JNIEnv *env, jclass, jobject bufferObj) {
ALOGV("android_media_MediaCodec_mapHardwareBuffer");
AHardwareBuffer *hardwareBuffer = android_hardware_HardwareBuffer_getNativeHardwareBuffer(
env, bufferObj);
AHardwareBuffer_Desc desc;
AHardwareBuffer_describe(hardwareBuffer, &desc);
if (desc.format != AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420) {
ALOGI("mapHardwareBuffer: unmappable format: %d", desc.format);
return nullptr;
}
if ((desc.usage & AHARDWAREBUFFER_USAGE_CPU_READ_MASK) == 0) {
ALOGI("mapHardwareBuffer: buffer not CPU readable");
return nullptr;
}
bool readOnly = ((desc.usage & AHARDWAREBUFFER_USAGE_CPU_WRITE_MASK) == 0);
uint64_t cpuUsage = 0;
cpuUsage |= (desc.usage & AHARDWAREBUFFER_USAGE_CPU_READ_MASK);
cpuUsage |= (desc.usage & AHARDWAREBUFFER_USAGE_CPU_WRITE_MASK);
AHardwareBuffer_Planes planes;
int err = AHardwareBuffer_lockPlanes(
hardwareBuffer, cpuUsage, -1 /* fence */, nullptr /* rect */, &planes);
if (err != 0) {
ALOGI("mapHardwareBuffer: Failed to lock planes (err=%d)", err);
return nullptr;
}
if (planes.planeCount != 3) {
ALOGI("mapHardwareBuffer: planeCount expected 3, actual %u", planes.planeCount);
return nullptr;
}
ScopedLocalRef<jobjectArray> buffersArray{
env, env->NewObjectArray(3, gByteBufferInfo.clazz, NULL)};
ScopedLocalRef<jintArray> rowStridesArray{env, env->NewIntArray(3)};
ScopedLocalRef<jintArray> pixelStridesArray{env, env->NewIntArray(3)};
jboolean isCopy = JNI_FALSE;
jint *rowStrides = env->GetIntArrayElements(rowStridesArray.get(), &isCopy);
jint *pixelStrides = env->GetIntArrayElements(rowStridesArray.get(), &isCopy);
// For Y plane
int rowSampling = 1;
int colSampling = 1;
// plane indices are Y-U-V.
for (uint32_t i = 0; i < 3; ++i) {
const AHardwareBuffer_Plane &plane = planes.planes[i];
int maxRowOffset = plane.rowStride * (desc.height / rowSampling - 1);
int maxColOffset = plane.pixelStride * (desc.width / colSampling - 1);
int maxOffset = maxRowOffset + maxColOffset;
ScopedLocalRef<jobject> byteBuffer{env, CreateByteBuffer(
env,
plane.data,
maxOffset + 1,
0,
maxOffset + 1,
readOnly,
true)};
env->SetObjectArrayElement(buffersArray.get(), i, byteBuffer.get());
rowStrides[i] = plane.rowStride;
pixelStrides[i] = plane.pixelStride;
// For U-V planes
rowSampling = 2;
colSampling = 2;
}
env->ReleaseIntArrayElements(rowStridesArray.get(), rowStrides, 0);
env->ReleaseIntArrayElements(pixelStridesArray.get(), pixelStrides, 0);
rowStrides = pixelStrides = nullptr;
ScopedLocalRef<jclass> imageClazz(
env, env->FindClass("android/media/MediaCodec$MediaImage"));
CHECK(imageClazz.get() != NULL);
jmethodID imageConstructID = env->GetMethodID(imageClazz.get(), "<init>",
"([Ljava/nio/ByteBuffer;[I[IIIIZJIILandroid/graphics/Rect;J)V");
jobject img = env->NewObject(imageClazz.get(), imageConstructID,
buffersArray.get(),
rowStridesArray.get(),
pixelStridesArray.get(),
desc.width,
desc.height,
desc.format, // ???
(jboolean)readOnly /* readOnly */,
(jlong)0 /* timestamp */,
(jint)0 /* xOffset */, (jint)0 /* yOffset */, nullptr /* cropRect */,
(jlong)hardwareBuffer);
// if MediaImage creation fails, return null
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
env->ExceptionClear();
return nullptr;
}
AHardwareBuffer_acquire(hardwareBuffer);
return img;
}
static void android_media_MediaCodec_closeMediaImage(JNIEnv *, jclass, jlong context) {
ALOGV("android_media_MediaCodec_closeMediaImage");
if (context == 0) {
return;
}
AHardwareBuffer *hardwareBuffer = (AHardwareBuffer *)context;
int err = AHardwareBuffer_unlock(hardwareBuffer, nullptr);
if (err != 0) {
ALOGI("closeMediaImage: failed to unlock (err=%d)", err);
// Continue to release the hardwareBuffer
}
AHardwareBuffer_release(hardwareBuffer);
}
static status_t ConvertKeyValueListsToAMessage(
JNIEnv *env, jobject keys, jobject values, sp<AMessage> *msg) {
static struct Fields {
explicit Fields(JNIEnv *env) {
ScopedLocalRef<jclass> clazz{env, env->FindClass("java/lang/String")};
CHECK(clazz.get() != NULL);
mStringClass = (jclass)env->NewGlobalRef(clazz.get());
clazz.reset(env->FindClass("java/lang/Integer"));
CHECK(clazz.get() != NULL);
mIntegerClass = (jclass)env->NewGlobalRef(clazz.get());
mIntegerValueId = env->GetMethodID(clazz.get(), "intValue", "()I");
CHECK(mIntegerValueId != NULL);
clazz.reset(env->FindClass("java/lang/Long"));
CHECK(clazz.get() != NULL);
mLongClass = (jclass)env->NewGlobalRef(clazz.get());
mLongValueId = env->GetMethodID(clazz.get(), "longValue", "()J");
CHECK(mLongValueId != NULL);
clazz.reset(env->FindClass("java/lang/Float"));
CHECK(clazz.get() != NULL);
mFloatClass = (jclass)env->NewGlobalRef(clazz.get());
mFloatValueId = env->GetMethodID(clazz.get(), "floatValue", "()F");
CHECK(mFloatValueId != NULL);
clazz.reset(env->FindClass("java/util/ArrayList"));
CHECK(clazz.get() != NULL);
mByteBufferArrayId = env->GetMethodID(gByteBufferInfo.clazz, "array", "()[B");
CHECK(mByteBufferArrayId != NULL);
}
jclass mStringClass;
jclass mIntegerClass;
jmethodID mIntegerValueId;
jclass mLongClass;
jmethodID mLongValueId;
jclass mFloatClass;
jmethodID mFloatValueId;
jmethodID mByteBufferArrayId;
} sFields{env};
jint size = env->CallIntMethod(keys, gArrayListInfo.sizeId);
if (size != env->CallIntMethod(values, gArrayListInfo.sizeId)) {
return BAD_VALUE;
}
sp<AMessage> result{new AMessage};
for (jint i = 0; i < size; ++i) {
ScopedLocalRef<jstring> jkey{
env, (jstring)env->CallObjectMethod(keys, gArrayListInfo.getId, i)};
const char *tmp = env->GetStringUTFChars(jkey.get(), nullptr);
AString key;
if (tmp) {
key.setTo(tmp);
}
env->ReleaseStringUTFChars(jkey.get(), tmp);
if (key.empty()) {
return NO_MEMORY;
}
ScopedLocalRef<jobject> jvalue{
env, env->CallObjectMethod(values, gArrayListInfo.getId, i)};
if (env->IsInstanceOf(jvalue.get(), sFields.mStringClass)) {
const char *tmp = env->GetStringUTFChars((jstring)jvalue.get(), nullptr);
AString value;
if (!tmp) {
return NO_MEMORY;
}
value.setTo(tmp);
env->ReleaseStringUTFChars((jstring)jvalue.get(), tmp);
result->setString(key.c_str(), value);
} else if (env->IsInstanceOf(jvalue.get(), sFields.mIntegerClass)) {
jint value = env->CallIntMethod(jvalue.get(), sFields.mIntegerValueId);
result->setInt32(key.c_str(), value);
} else if (env->IsInstanceOf(jvalue.get(), sFields.mLongClass)) {
jlong value = env->CallLongMethod(jvalue.get(), sFields.mLongValueId);
result->setInt64(key.c_str(), value);
} else if (env->IsInstanceOf(jvalue.get(), sFields.mFloatClass)) {
jfloat value = env->CallFloatMethod(jvalue.get(), sFields.mFloatValueId);
result->setFloat(key.c_str(), value);
} else if (env->IsInstanceOf(jvalue.get(), gByteBufferInfo.clazz)) {
jint position = env->CallIntMethod(jvalue.get(), gByteBufferInfo.getPositionId);
jint limit = env->CallIntMethod(jvalue.get(), gByteBufferInfo.getLimitId);
sp<ABuffer> buffer{new ABuffer(limit - position)};
void *data = env->GetDirectBufferAddress(jvalue.get());
if (data != nullptr) {
memcpy(buffer->data(),
static_cast<const uint8_t *>(data) + position,
buffer->size());
} else {
ScopedLocalRef<jbyteArray> byteArray{env, (jbyteArray)env->CallObjectMethod(
jvalue.get(), sFields.mByteBufferArrayId)};
env->GetByteArrayRegion(byteArray.get(), position, buffer->size(),
reinterpret_cast<jbyte *>(buffer->data()));
}
result->setBuffer(key.c_str(), buffer);
}
}
*msg = result;
return OK;
}
static void android_media_MediaCodec_native_queueLinearBlock(
JNIEnv *env, jobject thiz, jint index, jobject bufferObj,
jint offset, jint size, jobject cryptoInfoObj,
jlong presentationTimeUs, jint flags, jobject keys, jobject values) {
ALOGV("android_media_MediaCodec_native_queueLinearBlock");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == nullptr || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
sp<AMessage> tunings;
status_t err = ConvertKeyValueListsToAMessage(env, keys, values, &tunings);
if (err != OK) {
throwExceptionAsNecessary(env, err);
return;
}
std::shared_ptr<C2Buffer> buffer;
sp<hardware::HidlMemory> memory;
ScopedLocalRef<jobject> lock{env, env->GetObjectField(bufferObj, gLinearBlockInfo.lockId)};
if (env->MonitorEnter(lock.get()) == JNI_OK) {
if (env->GetBooleanField(bufferObj, gLinearBlockInfo.validId)) {
JMediaCodecLinearBlock *context =
(JMediaCodecLinearBlock *)env->GetLongField(bufferObj, gLinearBlockInfo.contextId);
if (codec->hasCryptoOrDescrambler()) {
memory = context->toHidlMemory();
// TODO: copy if memory is null
offset += context->mHidlMemoryOffset;
} else {
buffer = context->toC2Buffer(offset, size);
// TODO: copy if buffer is null
}
}
env->MonitorExit(lock.get());
} else {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
AString errorDetailMsg;
if (codec->hasCryptoOrDescrambler()) {
if (!memory) {
ALOGI("queueLinearBlock: no ashmem memory for encrypted content");
throwExceptionAsNecessary(env, BAD_VALUE);
return;
}
NativeCryptoInfo cryptoInfo = [env, cryptoInfoObj, size]{
if (cryptoInfoObj == nullptr) {
return NativeCryptoInfo{size};
} else {
return NativeCryptoInfo{env, cryptoInfoObj};
}
}();
err = codec->queueEncryptedLinearBlock(
index,
memory,
offset,
cryptoInfo.mSubSamples, cryptoInfo.mNumSubSamples,
(const uint8_t *)cryptoInfo.mKey, (const uint8_t *)cryptoInfo.mIv,
cryptoInfo.mMode,
cryptoInfo.mPattern,
presentationTimeUs,
flags,
tunings,
&errorDetailMsg);
} else {
if (!buffer) {
ALOGI("queueLinearBlock: no C2Buffer found");
throwExceptionAsNecessary(env, BAD_VALUE);
return;
}
err = codec->queueBuffer(
index, buffer, presentationTimeUs, flags, tunings, &errorDetailMsg);
}
throwExceptionAsNecessary(env, err, ACTION_CODE_FATAL, errorDetailMsg.c_str());
}
static void android_media_MediaCodec_native_queueHardwareBuffer(
JNIEnv *env, jobject thiz, jint index, jobject bufferObj,
jlong presentationTimeUs, jint flags, jobject keys, jobject values) {
ALOGV("android_media_MediaCodec_native_queueHardwareBuffer");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
sp<AMessage> tunings;
status_t err = ConvertKeyValueListsToAMessage(env, keys, values, &tunings);
if (err != OK) {
throwExceptionAsNecessary(env, err);
return;
}
AHardwareBuffer *hardwareBuffer = android_hardware_HardwareBuffer_getNativeHardwareBuffer(
env, bufferObj);
sp<GraphicBuffer> graphicBuffer{AHardwareBuffer_to_GraphicBuffer(hardwareBuffer)};
C2Handle *handle = WrapNativeCodec2GrallocHandle(
graphicBuffer->handle, graphicBuffer->width, graphicBuffer->height,
graphicBuffer->format, graphicBuffer->usage, graphicBuffer->stride);
static std::shared_ptr<C2Allocator> sGrallocAlloc = []() -> std::shared_ptr<C2Allocator> {
std::shared_ptr<C2Allocator> alloc;
c2_status_t err = GetCodec2PlatformAllocatorStore()->fetchAllocator(
C2PlatformAllocatorStore::GRALLOC, &alloc);
if (err == C2_OK) {
return alloc;
}
return nullptr;
}();
std::shared_ptr<C2GraphicAllocation> alloc;
c2_status_t c2err = sGrallocAlloc->priorGraphicAllocation(handle, &alloc);
if (c2err != C2_OK) {
ALOGW("Failed to wrap AHardwareBuffer into C2GraphicAllocation");
native_handle_close(handle);
native_handle_delete(handle);
throwExceptionAsNecessary(env, BAD_VALUE);
return;
}
std::shared_ptr<C2GraphicBlock> block = _C2BlockFactory::CreateGraphicBlock(alloc);
std::shared_ptr<C2Buffer> buffer = C2Buffer::CreateGraphicBuffer(block->share(
block->crop(), C2Fence{}));
AString errorDetailMsg;
err = codec->queueBuffer(
index, buffer, presentationTimeUs, flags, tunings, &errorDetailMsg);
throwExceptionAsNecessary(env, err, ACTION_CODE_FATAL, errorDetailMsg.c_str());
}
static void android_media_MediaCodec_native_getOutputFrame(
JNIEnv *env, jobject thiz, jobject frame, jint index) {
ALOGV("android_media_MediaCodec_native_getOutputFrame");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->getOutputFrame(env, frame, index);
if (err != OK) {
throwExceptionAsNecessary(env, err);
}
}
static jint android_media_MediaCodec_dequeueInputBuffer(
JNIEnv *env, jobject thiz, jlong timeoutUs) {
ALOGV("android_media_MediaCodec_dequeueInputBuffer");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return -1;
}
size_t index;
status_t err = codec->dequeueInputBuffer(&index, timeoutUs);
if (err == OK) {
return (jint) index;
}
return throwExceptionAsNecessary(env, err);
}
static jint android_media_MediaCodec_dequeueOutputBuffer(
JNIEnv *env, jobject thiz, jobject bufferInfo, jlong timeoutUs) {
ALOGV("android_media_MediaCodec_dequeueOutputBuffer");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return 0;
}
size_t index;
status_t err = codec->dequeueOutputBuffer(
env, bufferInfo, &index, timeoutUs);
if (err == OK) {
return (jint) index;
}
return throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_releaseOutputBuffer(
JNIEnv *env, jobject thiz,
jint index, jboolean render, jboolean updatePTS, jlong timestampNs) {
ALOGV("android_media_MediaCodec_renderOutputBufferAndRelease");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->releaseOutputBuffer(index, render, updatePTS, timestampNs);
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_signalEndOfInputStream(JNIEnv* env,
jobject thiz) {
ALOGV("android_media_MediaCodec_signalEndOfInputStream");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t err = codec->signalEndOfInputStream();
throwExceptionAsNecessary(env, err);
}
static jobject android_media_MediaCodec_getFormatNative(
JNIEnv *env, jobject thiz, jboolean input) {
ALOGV("android_media_MediaCodec_getFormatNative");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject format;
status_t err = codec->getFormat(env, input, &format);
if (err == OK) {
return format;
}
throwExceptionAsNecessary(env, err);
return NULL;
}
static jobject android_media_MediaCodec_getOutputFormatForIndexNative(
JNIEnv *env, jobject thiz, jint index) {
ALOGV("android_media_MediaCodec_getOutputFormatForIndexNative");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject format;
status_t err = codec->getOutputFormat(env, index, &format);
if (err == OK) {
return format;
}
throwExceptionAsNecessary(env, err);
return NULL;
}
static jobjectArray android_media_MediaCodec_getBuffers(
JNIEnv *env, jobject thiz, jboolean input) {
ALOGV("android_media_MediaCodec_getBuffers");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobjectArray buffers;
status_t err = codec->getBuffers(env, input, &buffers);
if (err == OK) {
return buffers;
}
// if we're out of memory, an exception was already thrown
if (err != NO_MEMORY) {
throwExceptionAsNecessary(env, err);
}
return NULL;
}
static jobject android_media_MediaCodec_getBuffer(
JNIEnv *env, jobject thiz, jboolean input, jint index) {
ALOGV("android_media_MediaCodec_getBuffer");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject buffer;
status_t err = codec->getBuffer(env, input, index, &buffer);
if (err == OK) {
return buffer;
}
// if we're out of memory, an exception was already thrown
if (err != NO_MEMORY) {
throwExceptionAsNecessary(env, err);
}
return NULL;
}
static jobject android_media_MediaCodec_getImage(
JNIEnv *env, jobject thiz, jboolean input, jint index) {
ALOGV("android_media_MediaCodec_getImage");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject image;
status_t err = codec->getImage(env, input, index, &image);
if (err == OK) {
return image;
}
// if we're out of memory, an exception was already thrown
if (err != NO_MEMORY) {
throwExceptionAsNecessary(env, err);
}
return NULL;
}
static jobject android_media_MediaCodec_getName(
JNIEnv *env, jobject thiz) {
ALOGV("android_media_MediaCodec_getName");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jstring name;
status_t err = codec->getName(env, &name);
if (err == OK) {
return name;
}
throwExceptionAsNecessary(env, err);
return NULL;
}
static jobject android_media_MediaCodec_getOwnCodecInfo(
JNIEnv *env, jobject thiz) {
ALOGV("android_media_MediaCodec_getOwnCodecInfo");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject codecInfoObj;
status_t err = codec->getCodecInfo(env, &codecInfoObj);
if (err == OK) {
return codecInfoObj;
}
throwExceptionAsNecessary(env, err);
return NULL;
}
static jobject
android_media_MediaCodec_native_getMetrics(JNIEnv *env, jobject thiz)
{
ALOGV("android_media_MediaCodec_native_getMetrics");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return 0;
}
// get what we have for the metrics from the codec
mediametrics::Item *item = 0;
status_t err = codec->getMetrics(env, item);
if (err != OK) {
ALOGE("getMetrics failed");
return (jobject) NULL;
}
jobject mybundle = MediaMetricsJNI::writeMetricsToBundle(env, item, NULL);
// housekeeping
delete item;
item = 0;
return mybundle;
}
static void android_media_MediaCodec_setParameters(
JNIEnv *env, jobject thiz, jobjectArray keys, jobjectArray vals) {
ALOGV("android_media_MediaCodec_setParameters");
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
sp<AMessage> params;
status_t err = ConvertKeyValueArraysToMessage(env, keys, vals, &params);
if (err == OK) {
err = codec->setParameters(params);
}
throwExceptionAsNecessary(env, err);
}
static void android_media_MediaCodec_setVideoScalingMode(
JNIEnv *env, jobject thiz, jint mode) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
if (mode != NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW
&& mode != NATIVE_WINDOW_SCALING_MODE_SCALE_CROP) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return;
}
codec->setVideoScalingMode(mode);
}
static void android_media_MediaCodec_setAudioPresentation(
JNIEnv *env, jobject thiz, jint presentationId, jint programId) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
codec->selectAudioPresentation((int32_t)presentationId, (int32_t)programId);
}
static jobject android_media_MediaCodec_getSupportedVendorParameters(
JNIEnv *env, jobject thiz) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject ret = NULL;
status_t status = codec->querySupportedVendorParameters(env, &ret);
if (status != OK) {
throwExceptionAsNecessary(env, status);
}
return ret;
}
static jobject android_media_MediaCodec_getParameterDescriptor(
JNIEnv *env, jobject thiz, jstring name) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return NULL;
}
jobject ret = NULL;
status_t status = codec->describeParameter(env, name, &ret);
if (status != OK) {
ret = NULL;
}
return ret;
}
static void android_media_MediaCodec_subscribeToVendorParameters(
JNIEnv *env, jobject thiz, jobject names) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t status = codec->subscribeToVendorParameters(env, names);
if (status != OK) {
throwExceptionAsNecessary(env, status);
}
return;
}
static void android_media_MediaCodec_unsubscribeFromVendorParameters(
JNIEnv *env, jobject thiz, jobject names) {
sp<JMediaCodec> codec = getMediaCodec(env, thiz);
if (codec == NULL || codec->initCheck() != OK) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return;
}
status_t status = codec->unsubscribeFromVendorParameters(env, names);
if (status != OK) {
throwExceptionAsNecessary(env, status);
}
return;
}
static void android_media_MediaCodec_native_init(JNIEnv *env, jclass) {
ScopedLocalRef<jclass> clazz(
env, env->FindClass("android/media/MediaCodec"));
CHECK(clazz.get() != NULL);
gFields.postEventFromNativeID =
env->GetMethodID(
clazz.get(), "postEventFromNative", "(IIILjava/lang/Object;)V");
CHECK(gFields.postEventFromNativeID != NULL);
gFields.lockAndGetContextID =
env->GetMethodID(
clazz.get(), "lockAndGetContext", "()J");
CHECK(gFields.lockAndGetContextID != NULL);
gFields.setAndUnlockContextID =
env->GetMethodID(
clazz.get(), "setAndUnlockContext", "(J)V");
CHECK(gFields.setAndUnlockContextID != NULL);
jfieldID field;
field = env->GetStaticFieldID(clazz.get(), "CRYPTO_MODE_UNENCRYPTED", "I");
CHECK(field != NULL);
gCryptoModes.Unencrypted =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "CRYPTO_MODE_AES_CTR", "I");
CHECK(field != NULL);
gCryptoModes.AesCtr =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "CRYPTO_MODE_AES_CBC", "I");
CHECK(field != NULL);
gCryptoModes.AesCbc =
env->GetStaticIntField(clazz.get(), field);
clazz.reset(env->FindClass("android/media/MediaCodec$CryptoInfo"));
CHECK(clazz.get() != NULL);
gFields.cryptoInfoNumSubSamplesID =
env->GetFieldID(clazz.get(), "numSubSamples", "I");
CHECK(gFields.cryptoInfoNumSubSamplesID != NULL);
gFields.cryptoInfoNumBytesOfClearDataID =
env->GetFieldID(clazz.get(), "numBytesOfClearData", "[I");
CHECK(gFields.cryptoInfoNumBytesOfClearDataID != NULL);
gFields.cryptoInfoNumBytesOfEncryptedDataID =
env->GetFieldID(clazz.get(), "numBytesOfEncryptedData", "[I");
CHECK(gFields.cryptoInfoNumBytesOfEncryptedDataID != NULL);
gFields.cryptoInfoKeyID = env->GetFieldID(clazz.get(), "key", "[B");
CHECK(gFields.cryptoInfoKeyID != NULL);
gFields.cryptoInfoIVID = env->GetFieldID(clazz.get(), "iv", "[B");
CHECK(gFields.cryptoInfoIVID != NULL);
gFields.cryptoInfoModeID = env->GetFieldID(clazz.get(), "mode", "I");
CHECK(gFields.cryptoInfoModeID != NULL);
gFields.cryptoInfoPatternID = env->GetFieldID(clazz.get(), "mPattern",
"Landroid/media/MediaCodec$CryptoInfo$Pattern;");
CHECK(gFields.cryptoInfoPatternID != NULL);
clazz.reset(env->FindClass("android/media/MediaCodec$CryptoInfo$Pattern"));
CHECK(clazz.get() != NULL);
gFields.patternEncryptBlocksID = env->GetFieldID(clazz.get(), "mEncryptBlocks", "I");
CHECK(gFields.patternEncryptBlocksID != NULL);
gFields.patternSkipBlocksID = env->GetFieldID(clazz.get(), "mSkipBlocks", "I");
CHECK(gFields.patternSkipBlocksID != NULL);
clazz.reset(env->FindClass("android/media/MediaCodec$QueueRequest"));
CHECK(clazz.get() != NULL);
gFields.queueRequestIndexID = env->GetFieldID(clazz.get(), "mIndex", "I");
CHECK(gFields.queueRequestIndexID != NULL);
clazz.reset(env->FindClass("android/media/MediaCodec$OutputFrame"));
CHECK(clazz.get() != NULL);
gFields.outputFrameLinearBlockID =
env->GetFieldID(clazz.get(), "mLinearBlock", "Landroid/media/MediaCodec$LinearBlock;");
CHECK(gFields.outputFrameLinearBlockID != NULL);
gFields.outputFrameHardwareBufferID =
env->GetFieldID(clazz.get(), "mHardwareBuffer", "Landroid/hardware/HardwareBuffer;");
CHECK(gFields.outputFrameHardwareBufferID != NULL);
gFields.outputFrameChangedKeysID =
env->GetFieldID(clazz.get(), "mChangedKeys", "Ljava/util/ArrayList;");
CHECK(gFields.outputFrameChangedKeysID != NULL);
gFields.outputFrameFormatID =
env->GetFieldID(clazz.get(), "mFormat", "Landroid/media/MediaFormat;");
CHECK(gFields.outputFrameFormatID != NULL);
clazz.reset(env->FindClass("android/media/MediaCodec$CryptoException"));
CHECK(clazz.get() != NULL);
field = env->GetStaticFieldID(clazz.get(), "ERROR_NO_KEY", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorNoKey =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_KEY_EXPIRED", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorKeyExpired =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_RESOURCE_BUSY", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorResourceBusy =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_INSUFFICIENT_OUTPUT_PROTECTION", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorInsufficientOutputProtection =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_SESSION_NOT_OPENED", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorSessionNotOpened =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_INSUFFICIENT_SECURITY", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorInsufficientSecurity =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_UNSUPPORTED_OPERATION", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorUnsupportedOperation =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_FRAME_TOO_LARGE", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorFrameTooLarge =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_LOST_STATE", "I");
CHECK(field != NULL);
gCryptoErrorCodes.cryptoErrorLostState =
env->GetStaticIntField(clazz.get(), field);
clazz.reset(env->FindClass("android/media/MediaCodec$CodecException"));
CHECK(clazz.get() != NULL);
field = env->GetStaticFieldID(clazz.get(), "ACTION_TRANSIENT", "I");
CHECK(field != NULL);
gCodecActionCodes.codecActionTransient =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ACTION_RECOVERABLE", "I");
CHECK(field != NULL);
gCodecActionCodes.codecActionRecoverable =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_INSUFFICIENT_RESOURCE", "I");
CHECK(field != NULL);
gCodecErrorCodes.errorInsufficientResource =
env->GetStaticIntField(clazz.get(), field);
field = env->GetStaticFieldID(clazz.get(), "ERROR_RECLAIMED", "I");
CHECK(field != NULL);
gCodecErrorCodes.errorReclaimed =
env->GetStaticIntField(clazz.get(), field);
clazz.reset(env->FindClass("android/view/Surface"));
CHECK(clazz.get() != NULL);
field = env->GetFieldID(clazz.get(), "mLock", "Ljava/lang/Object;");
CHECK(field != NULL);
gPersistentSurfaceClassInfo.mLock = field;
jmethodID method = env->GetMethodID(clazz.get(), "setNativeObjectLocked", "(J)V");
CHECK(method != NULL);
gPersistentSurfaceClassInfo.setNativeObjectLocked = method;
clazz.reset(env->FindClass("android/media/MediaCodec$PersistentSurface"));
CHECK(clazz.get() != NULL);
gPersistentSurfaceClassInfo.clazz = (jclass)env->NewGlobalRef(clazz.get());
method = env->GetMethodID(clazz.get(), "<init>", "()V");
CHECK(method != NULL);
gPersistentSurfaceClassInfo.ctor = method;
field = env->GetFieldID(clazz.get(), "mPersistentObject", "J");
CHECK(field != NULL);
gPersistentSurfaceClassInfo.mPersistentObject = field;
clazz.reset(env->FindClass("android/media/MediaCodecInfo$CodecCapabilities"));
CHECK(clazz.get() != NULL);
gCodecInfo.capsClazz = (jclass)env->NewGlobalRef(clazz.get());
method = env->GetMethodID(clazz.get(), "<init>",
"([Landroid/media/MediaCodecInfo$CodecProfileLevel;[IZ"
"Ljava/util/Map;Ljava/util/Map;)V");
CHECK(method != NULL);
gCodecInfo.capsCtorId = method;
clazz.reset(env->FindClass("android/media/MediaCodecInfo$CodecProfileLevel"));
CHECK(clazz.get() != NULL);
gCodecInfo.profileLevelClazz = (jclass)env->NewGlobalRef(clazz.get());
field = env->GetFieldID(clazz.get(), "profile", "I");
CHECK(field != NULL);
gCodecInfo.profileField = field;
field = env->GetFieldID(clazz.get(), "level", "I");
CHECK(field != NULL);
gCodecInfo.levelField = field;
clazz.reset(env->FindClass("java/nio/ByteBuffer"));
CHECK(clazz.get() != NULL);
gByteBufferInfo.clazz = (jclass)env->NewGlobalRef(clazz.get());
ScopedLocalRef<jclass> byteOrderClass(
env, env->FindClass("java/nio/ByteOrder"));
CHECK(byteOrderClass.get() != NULL);
jmethodID nativeOrderID = env->GetStaticMethodID(
byteOrderClass.get(), "nativeOrder", "()Ljava/nio/ByteOrder;");
CHECK(nativeOrderID != NULL);
ScopedLocalRef<jobject> nativeByteOrderObj{
env, env->CallStaticObjectMethod(byteOrderClass.get(), nativeOrderID)};
gByteBufferInfo.nativeByteOrder = env->NewGlobalRef(nativeByteOrderObj.get());
CHECK(gByteBufferInfo.nativeByteOrder != NULL);
nativeByteOrderObj.reset();
gByteBufferInfo.orderId = env->GetMethodID(
clazz.get(),
"order",
"(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;");
CHECK(gByteBufferInfo.orderId != NULL);
gByteBufferInfo.asReadOnlyBufferId = env->GetMethodID(
clazz.get(), "asReadOnlyBuffer", "()Ljava/nio/ByteBuffer;");
CHECK(gByteBufferInfo.asReadOnlyBufferId != NULL);
gByteBufferInfo.positionId = env->GetMethodID(
clazz.get(), "position", "(I)Ljava/nio/Buffer;");
CHECK(gByteBufferInfo.positionId != NULL);
gByteBufferInfo.limitId = env->GetMethodID(
clazz.get(), "limit", "(I)Ljava/nio/Buffer;");
CHECK(gByteBufferInfo.limitId != NULL);
gByteBufferInfo.getPositionId = env->GetMethodID(
clazz.get(), "position", "()I");
CHECK(gByteBufferInfo.getPositionId != NULL);
gByteBufferInfo.getLimitId = env->GetMethodID(
clazz.get(), "limit", "()I");
CHECK(gByteBufferInfo.getLimitId != NULL);
clazz.reset(env->FindClass("java/util/ArrayList"));
CHECK(clazz.get() != NULL);
gArrayListInfo.clazz = (jclass)env->NewGlobalRef(clazz.get());
gArrayListInfo.ctorId = env->GetMethodID(clazz.get(), "<init>", "()V");
CHECK(gArrayListInfo.ctorId != NULL);
gArrayListInfo.sizeId = env->GetMethodID(clazz.get(), "size", "()I");
CHECK(gArrayListInfo.sizeId != NULL);
gArrayListInfo.getId = env->GetMethodID(clazz.get(), "get", "(I)Ljava/lang/Object;");
CHECK(gArrayListInfo.getId != NULL);
gArrayListInfo.addId = env->GetMethodID(clazz.get(), "add", "(Ljava/lang/Object;)Z");
CHECK(gArrayListInfo.addId != NULL);
clazz.reset(env->FindClass("android/media/MediaCodec$LinearBlock"));
CHECK(clazz.get() != NULL);
gLinearBlockInfo.clazz = (jclass)env->NewGlobalRef(clazz.get());
gLinearBlockInfo.ctorId = env->GetMethodID(clazz.get(), "<init>", "()V");
CHECK(gLinearBlockInfo.ctorId != NULL);
gLinearBlockInfo.setInternalStateId = env->GetMethodID(
clazz.get(), "setInternalStateLocked", "(JZ)V");
CHECK(gLinearBlockInfo.setInternalStateId != NULL);
gLinearBlockInfo.contextId = env->GetFieldID(clazz.get(), "mNativeContext", "J");
CHECK(gLinearBlockInfo.contextId != NULL);
gLinearBlockInfo.validId = env->GetFieldID(clazz.get(), "mValid", "Z");
CHECK(gLinearBlockInfo.validId != NULL);
gLinearBlockInfo.lockId = env->GetFieldID(clazz.get(), "mLock", "Ljava/lang/Object;");
CHECK(gLinearBlockInfo.lockId != NULL);
clazz.reset(env->FindClass("android/media/MediaCodec$ParameterDescriptor"));
CHECK(clazz.get() != NULL);
gDescriptorInfo.clazz = (jclass)env->NewGlobalRef(clazz.get());
gDescriptorInfo.ctorId = env->GetMethodID(clazz.get(), "<init>", "()V");
CHECK(gDescriptorInfo.ctorId != NULL);
gDescriptorInfo.nameId = env->GetFieldID(clazz.get(), "mName", "Ljava/lang/String;");
CHECK(gDescriptorInfo.nameId != NULL);
gDescriptorInfo.typeId = env->GetFieldID(clazz.get(), "mType", "I");
CHECK(gDescriptorInfo.typeId != NULL);
}
static void android_media_MediaCodec_native_setup(
JNIEnv *env, jobject thiz,
jstring name, jboolean nameIsType, jboolean encoder, int pid, int uid) {
if (name == NULL) {
jniThrowException(env, "java/lang/NullPointerException", NULL);
return;
}
const char *tmp = env->GetStringUTFChars(name, NULL);
if (tmp == NULL) {
return;
}
sp<JMediaCodec> codec = new JMediaCodec(env, thiz, tmp, nameIsType, encoder, pid, uid);
const status_t err = codec->initCheck();
if (err == NAME_NOT_FOUND) {
// fail and do not try again.
jniThrowException(env, "java/lang/IllegalArgumentException",
String8::format("Failed to initialize %s, error %#x (NAME_NOT_FOUND)", tmp, err));
env->ReleaseStringUTFChars(name, tmp);
return;
}
if (err == NO_MEMORY) {
throwCodecException(env, err, ACTION_CODE_TRANSIENT,
String8::format("Failed to initialize %s, error %#x (NO_MEMORY)", tmp, err));
env->ReleaseStringUTFChars(name, tmp);
return;
}
if (err == PERMISSION_DENIED) {
jniThrowException(env, "java/lang/SecurityException",
String8::format("Failed to initialize %s, error %#x (PERMISSION_DENIED)", tmp,
err));
env->ReleaseStringUTFChars(name, tmp);
return;
}
if (err != OK) {
// believed possible to try again
jniThrowException(env, "java/io/IOException",
String8::format("Failed to find matching codec %s, error %#x (?)", tmp, err));
env->ReleaseStringUTFChars(name, tmp);
return;
}
env->ReleaseStringUTFChars(name, tmp);
codec->registerSelf();
setMediaCodec(env, thiz, codec);
}
static void android_media_MediaCodec_native_finalize(
JNIEnv *env, jobject thiz) {
setMediaCodec(env, thiz, NULL);
}
// MediaCodec.LinearBlock
static jobject android_media_MediaCodec_LinearBlock_native_map(
JNIEnv *env, jobject thiz) {
JMediaCodecLinearBlock *context =
(JMediaCodecLinearBlock *)env->GetLongField(thiz, gLinearBlockInfo.contextId);
if (context->mBuffer) {
std::shared_ptr<C2Buffer> buffer = context->mBuffer;
if (!context->mReadonlyMapping) {
const C2BufferData data = buffer->data();
if (data.type() != C2BufferData::LINEAR) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return nullptr;
}
if (data.linearBlocks().size() != 1u) {
throwExceptionAsNecessary(env, INVALID_OPERATION);
return nullptr;
}
C2ConstLinearBlock block = data.linearBlocks().front();
context->mReadonlyMapping =
std::make_shared<C2ReadView>(block.map().get());
}
return CreateByteBuffer(
env,
context->mReadonlyMapping->data(), // base
context->mReadonlyMapping->capacity(), // capacity
0u, // offset
context->mReadonlyMapping->capacity(), // size
true, // readOnly
true /* clearBuffer */);
} else if (context->mBlock) {
std::shared_ptr<C2LinearBlock> block = context->mBlock;
if (!context->mReadWriteMapping) {
context->mReadWriteMapping =
std::make_shared<C2WriteView>(block->map().get());
}
return CreateByteBuffer(
env,
context->mReadWriteMapping->base(),
context->mReadWriteMapping->capacity(),
context->mReadWriteMapping->offset(),
context->mReadWriteMapping->size(),
false, // readOnly
true /* clearBuffer */);
} else if (context->mLegacyBuffer) {
return CreateByteBuffer(
env,
context->mLegacyBuffer->base(),
context->mLegacyBuffer->capacity(),
context->mLegacyBuffer->offset(),
context->mLegacyBuffer->size(),
true, // readOnly
true /* clearBuffer */);
} else if (context->mMemory) {
return CreateByteBuffer(
env,
context->mMemory->unsecurePointer(),
context->mMemory->size(),
0,
context->mMemory->size(),
false, // readOnly
true /* clearBuffer */);
}
throwExceptionAsNecessary(env, INVALID_OPERATION);
return nullptr;
}
static void android_media_MediaCodec_LinearBlock_native_recycle(
JNIEnv *env, jobject thiz) {
JMediaCodecLinearBlock *context =
(JMediaCodecLinearBlock *)env->GetLongField(thiz, gLinearBlockInfo.contextId);
env->CallVoidMethod(thiz, gLinearBlockInfo.setInternalStateId, jlong(0), false);
delete context;
}
static void PopulateNamesVector(
JNIEnv *env, jobjectArray codecNames, std::vector<std::string> *names) {
jsize length = env->GetArrayLength(codecNames);
for (jsize i = 0; i < length; ++i) {
jstring jstr = static_cast<jstring>(env->GetObjectArrayElement(codecNames, i));
if (jstr == nullptr) {
// null entries are ignored
continue;
}
const char *cstr = env->GetStringUTFChars(jstr, nullptr);
if (cstr == nullptr) {
throwExceptionAsNecessary(env, BAD_VALUE);
return;
}
names->emplace_back(cstr);
env->ReleaseStringUTFChars(jstr, cstr);
}
}
static void android_media_MediaCodec_LinearBlock_native_obtain(
JNIEnv *env, jobject thiz, jint capacity, jobjectArray codecNames) {
std::unique_ptr<JMediaCodecLinearBlock> context{new JMediaCodecLinearBlock};
std::vector<std::string> names;
PopulateNamesVector(env, codecNames, &names);
bool hasSecure = false;
bool hasNonSecure = false;
for (const std::string &name : names) {
if (name.length() >= 7 && name.substr(name.length() - 7) == ".secure") {
hasSecure = true;
} else {
hasNonSecure = true;
}
}
if (hasSecure && !hasNonSecure) {
constexpr size_t kInitialDealerCapacity = 1048576; // 1MB
thread_local sp<MemoryDealer> sDealer = new MemoryDealer(
kInitialDealerCapacity, "JNI(1MB)");
context->mMemory = sDealer->allocate(capacity);
if (context->mMemory == nullptr) {
size_t newDealerCapacity = sDealer->getMemoryHeap()->getSize() * 2;
while (capacity * 2 > newDealerCapacity) {
newDealerCapacity *= 2;
}
ALOGI("LinearBlock.native_obtain: "
"Dealer capacity increasing from %zuMB to %zuMB",
sDealer->getMemoryHeap()->getSize() / 1048576,
newDealerCapacity / 1048576);
sDealer = new MemoryDealer(
newDealerCapacity,
AStringPrintf("JNI(%zuMB)", newDealerCapacity).c_str());
context->mMemory = sDealer->allocate(capacity);
}
context->mHidlMemory = hardware::fromHeap(context->mMemory->getMemory(
&context->mHidlMemoryOffset, &context->mHidlMemorySize));
} else {
context->mBlock = MediaCodec::FetchLinearBlock(capacity, names);
if (!context->mBlock) {
jniThrowException(env, "java/io/IOException", nullptr);
return;
}
}
env->CallVoidMethod(
thiz,
gLinearBlockInfo.setInternalStateId,
(jlong)context.release(),
true /* isMappable */);
}
static jboolean android_media_MediaCodec_LinearBlock_checkCompatible(
JNIEnv *env, jclass, jobjectArray codecNames) {
std::vector<std::string> names;
PopulateNamesVector(env, codecNames, &names);
bool isCompatible = false;
bool hasSecure = false;
bool hasNonSecure = false;
for (const std::string &name : names) {
if (name.length() >= 7 && name.substr(name.length() - 7) == ".secure") {
hasSecure = true;
} else {
hasNonSecure = true;
}
}
if (hasSecure && hasNonSecure) {
return false;
}
status_t err = MediaCodec::CanFetchLinearBlock(names, &isCompatible);
if (err != OK) {
throwExceptionAsNecessary(env, err);
}
return isCompatible;
}
static const JNINativeMethod gMethods[] = {
{ "native_release", "()V", (void *)android_media_MediaCodec_release },
{ "native_reset", "()V", (void *)android_media_MediaCodec_reset },
{ "native_releasePersistentInputSurface",
"(Landroid/view/Surface;)V",
(void *)android_media_MediaCodec_releasePersistentInputSurface},
{ "native_createPersistentInputSurface",
"()Landroid/media/MediaCodec$PersistentSurface;",
(void *)android_media_MediaCodec_createPersistentInputSurface },
{ "native_setInputSurface", "(Landroid/view/Surface;)V",
(void *)android_media_MediaCodec_setInputSurface },
{ "native_enableOnFirstTunnelFrameReadyListener", "(Z)V",
(void *)android_media_MediaCodec_native_enableOnFirstTunnelFrameReadyListener },
{ "native_enableOnFrameRenderedListener", "(Z)V",
(void *)android_media_MediaCodec_native_enableOnFrameRenderedListener },
{ "native_setCallback",
"(Landroid/media/MediaCodec$Callback;)V",
(void *)android_media_MediaCodec_native_setCallback },
{ "native_configure",
"([Ljava/lang/String;[Ljava/lang/Object;Landroid/view/Surface;"
"Landroid/media/MediaCrypto;Landroid/os/IHwBinder;I)V",
(void *)android_media_MediaCodec_native_configure },
{ "native_setSurface",
"(Landroid/view/Surface;)V",
(void *)android_media_MediaCodec_native_setSurface },
{ "createInputSurface", "()Landroid/view/Surface;",
(void *)android_media_MediaCodec_createInputSurface },
{ "native_start", "()V", (void *)android_media_MediaCodec_start },
{ "native_stop", "()V", (void *)android_media_MediaCodec_stop },
{ "native_flush", "()V", (void *)android_media_MediaCodec_flush },
{ "native_queueInputBuffer", "(IIIJI)V",
(void *)android_media_MediaCodec_queueInputBuffer },
{ "native_queueSecureInputBuffer", "(IILandroid/media/MediaCodec$CryptoInfo;JI)V",
(void *)android_media_MediaCodec_queueSecureInputBuffer },
{ "native_mapHardwareBuffer",
"(Landroid/hardware/HardwareBuffer;)Landroid/media/Image;",
(void *)android_media_MediaCodec_mapHardwareBuffer },
{ "native_closeMediaImage", "(J)V", (void *)android_media_MediaCodec_closeMediaImage },
{ "native_queueLinearBlock",
"(ILandroid/media/MediaCodec$LinearBlock;IILandroid/media/MediaCodec$CryptoInfo;JI"
"Ljava/util/ArrayList;Ljava/util/ArrayList;)V",
(void *)android_media_MediaCodec_native_queueLinearBlock },
{ "native_queueHardwareBuffer",
"(ILandroid/hardware/HardwareBuffer;JILjava/util/ArrayList;Ljava/util/ArrayList;)V",
(void *)android_media_MediaCodec_native_queueHardwareBuffer },
{ "native_getOutputFrame",
"(Landroid/media/MediaCodec$OutputFrame;I)V",
(void *)android_media_MediaCodec_native_getOutputFrame },
{ "native_dequeueInputBuffer", "(J)I",
(void *)android_media_MediaCodec_dequeueInputBuffer },
{ "native_dequeueOutputBuffer", "(Landroid/media/MediaCodec$BufferInfo;J)I",
(void *)android_media_MediaCodec_dequeueOutputBuffer },
{ "releaseOutputBuffer", "(IZZJ)V",
(void *)android_media_MediaCodec_releaseOutputBuffer },
{ "signalEndOfInputStream", "()V",
(void *)android_media_MediaCodec_signalEndOfInputStream },
{ "getFormatNative", "(Z)Ljava/util/Map;",
(void *)android_media_MediaCodec_getFormatNative },
{ "getOutputFormatNative", "(I)Ljava/util/Map;",
(void *)android_media_MediaCodec_getOutputFormatForIndexNative },
{ "getBuffers", "(Z)[Ljava/nio/ByteBuffer;",
(void *)android_media_MediaCodec_getBuffers },
{ "getBuffer", "(ZI)Ljava/nio/ByteBuffer;",
(void *)android_media_MediaCodec_getBuffer },
{ "getImage", "(ZI)Landroid/media/Image;",
(void *)android_media_MediaCodec_getImage },
{ "getCanonicalName", "()Ljava/lang/String;",
(void *)android_media_MediaCodec_getName },
{ "getOwnCodecInfo", "()Landroid/media/MediaCodecInfo;",
(void *)android_media_MediaCodec_getOwnCodecInfo },
{ "native_getMetrics", "()Landroid/os/PersistableBundle;",
(void *)android_media_MediaCodec_native_getMetrics},
{ "setParameters", "([Ljava/lang/String;[Ljava/lang/Object;)V",
(void *)android_media_MediaCodec_setParameters },
{ "setVideoScalingMode", "(I)V",
(void *)android_media_MediaCodec_setVideoScalingMode },
{ "native_setAudioPresentation", "(II)V",
(void *)android_media_MediaCodec_setAudioPresentation },
{ "native_getSupportedVendorParameters", "()Ljava/util/List;",
(void *)android_media_MediaCodec_getSupportedVendorParameters },
{ "native_getParameterDescriptor",
"(Ljava/lang/String;)Landroid/media/MediaCodec$ParameterDescriptor;",
(void *)android_media_MediaCodec_getParameterDescriptor },
{ "native_subscribeToVendorParameters",
"(Ljava/util/List;)V",
(void *)android_media_MediaCodec_subscribeToVendorParameters},
{ "native_unsubscribeFromVendorParameters",
"(Ljava/util/List;)V",
(void *)android_media_MediaCodec_unsubscribeFromVendorParameters},
{ "native_init", "()V", (void *)android_media_MediaCodec_native_init },
{ "native_setup", "(Ljava/lang/String;ZZII)V",
(void *)android_media_MediaCodec_native_setup },
{ "native_finalize", "()V",
(void *)android_media_MediaCodec_native_finalize },
};
static const JNINativeMethod gLinearBlockMethods[] = {
{ "native_map", "()Ljava/nio/ByteBuffer;",
(void *)android_media_MediaCodec_LinearBlock_native_map },
{ "native_recycle", "()V",
(void *)android_media_MediaCodec_LinearBlock_native_recycle },
{ "native_obtain", "(I[Ljava/lang/String;)V",
(void *)android_media_MediaCodec_LinearBlock_native_obtain },
{ "native_checkCompatible", "([Ljava/lang/String;)Z",
(void *)android_media_MediaCodec_LinearBlock_checkCompatible },
};
int register_android_media_MediaCodec(JNIEnv *env) {
int result = AndroidRuntime::registerNativeMethods(env,
"android/media/MediaCodec", gMethods, NELEM(gMethods));
if (result != JNI_OK) {
return result;
}
result = AndroidRuntime::registerNativeMethods(env,
"android/media/MediaCodec$LinearBlock",
gLinearBlockMethods,
NELEM(gLinearBlockMethods));
return result;
}