| /* |
| * Copyright 2015 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 "ImageWriter_JNI" |
| #include "android_media_Utils.h" |
| |
| #include <utils/Condition.h> |
| #include <utils/Log.h> |
| #include <utils/Mutex.h> |
| #include <utils/String8.h> |
| #include <utils/Thread.h> |
| |
| #include <gui/IProducerListener.h> |
| #include <gui/Surface.h> |
| #include <ui/PublicFormat.h> |
| #include <android_runtime/AndroidRuntime.h> |
| #include <android_runtime/android_view_Surface.h> |
| #include <android_runtime/android_graphics_GraphicBuffer.h> |
| #include <android_runtime/android_hardware_HardwareBuffer.h> |
| #include <private/android/AHardwareBufferHelpers.h> |
| #include <jni.h> |
| #include <nativehelper/JNIHelp.h> |
| |
| #include <stdint.h> |
| #include <inttypes.h> |
| #include <android/hardware_buffer_jni.h> |
| |
| #include <deque> |
| |
| #define IMAGE_BUFFER_JNI_ID "mNativeBuffer" |
| // ---------------------------------------------------------------------------- |
| |
| using namespace android; |
| |
| static struct { |
| jmethodID postEventFromNative; |
| jfieldID mWriterFormat; |
| } gImageWriterClassInfo; |
| |
| static struct { |
| jfieldID mDataSpace; |
| jfieldID mNativeBuffer; |
| jfieldID mNativeFenceFd; |
| jfieldID mPlanes; |
| } gSurfaceImageClassInfo; |
| |
| static struct { |
| jclass clazz; |
| jmethodID ctor; |
| } gSurfacePlaneClassInfo; |
| |
| // ---------------------------------------------------------------------------- |
| |
| class JNIImageWriterContext : public BnProducerListener { |
| public: |
| JNIImageWriterContext(JNIEnv* env, jobject weakThiz, jclass clazz); |
| |
| virtual ~JNIImageWriterContext(); |
| |
| // Implementation of IProducerListener, used to notify the ImageWriter that the consumer |
| // has returned a buffer and it is ready for ImageWriter to dequeue. |
| virtual void onBufferReleased(); |
| |
| void setProducer(const sp<Surface>& producer) { mProducer = producer; } |
| Surface* getProducer() { return mProducer.get(); } |
| |
| void setBufferFormat(int format) { mFormat = format; } |
| int getBufferFormat() { return mFormat; } |
| |
| void setBufferWidth(int width) { mWidth = width; } |
| int getBufferWidth() { return mWidth; } |
| |
| void setBufferHeight(int height) { mHeight = height; } |
| int getBufferHeight() { return mHeight; } |
| |
| void setBufferDataSpace(android_dataspace dataSpace) { mDataSpace = dataSpace; } |
| android_dataspace getBufferDataSpace() { return mDataSpace; } |
| |
| void queueAttachedFlag(bool isAttached) { |
| Mutex::Autolock l(mAttachedFlagQueueLock); |
| mAttachedFlagQueue.push_back(isAttached); |
| } |
| void dequeueAttachedFlag() { |
| Mutex::Autolock l(mAttachedFlagQueueLock); |
| mAttachedFlagQueue.pop_back(); |
| } |
| private: |
| static JNIEnv* getJNIEnv(bool* needsDetach); |
| static void detachJNI(); |
| |
| sp<Surface> mProducer; |
| jobject mWeakThiz; |
| jclass mClazz; |
| int mFormat; |
| int mWidth; |
| int mHeight; |
| android_dataspace mDataSpace; |
| |
| // Class for a shared thread used to detach buffers from buffer queues |
| // to discard buffers after consumers are done using them. |
| // This is needed because detaching buffers in onBufferReleased callback |
| // can lead to deadlock when consumer/producer are on the same process. |
| class BufferDetacher { |
| public: |
| // Called by JNIImageWriterContext ctor. Will start the thread for first ref. |
| void addRef(); |
| // Called by JNIImageWriterContext dtor. Will stop the thread after ref goes to 0. |
| void removeRef(); |
| // Called by onBufferReleased to signal this thread to detach a buffer |
| void detach(wp<Surface>); |
| |
| private: |
| |
| class DetachThread : public Thread { |
| public: |
| DetachThread() : Thread(/*canCallJava*/false) {}; |
| |
| void detach(wp<Surface>); |
| |
| virtual void requestExit() override; |
| |
| private: |
| virtual bool threadLoop() override; |
| |
| Mutex mLock; |
| Condition mCondition; |
| std::deque<wp<Surface>> mQueue; |
| |
| static const nsecs_t kWaitDuration = 500000000; // 500 ms |
| }; |
| sp<DetachThread> mThread; |
| |
| Mutex mLock; |
| int mRefCount = 0; |
| }; |
| |
| static BufferDetacher sBufferDetacher; |
| |
| // Buffer queue guarantees both producer and consumer side buffer flows are |
| // in order. See b/19977520. As a result, we can use a queue here. |
| Mutex mAttachedFlagQueueLock; |
| std::deque<bool> mAttachedFlagQueue; |
| }; |
| |
| JNIImageWriterContext::BufferDetacher JNIImageWriterContext::sBufferDetacher; |
| |
| void JNIImageWriterContext::BufferDetacher::addRef() { |
| Mutex::Autolock l(mLock); |
| mRefCount++; |
| if (mRefCount == 1) { |
| mThread = new DetachThread(); |
| mThread->run("BufDtchThrd"); |
| } |
| } |
| |
| void JNIImageWriterContext::BufferDetacher::removeRef() { |
| Mutex::Autolock l(mLock); |
| mRefCount--; |
| if (mRefCount == 0) { |
| mThread->requestExit(); |
| mThread->join(); |
| mThread.clear(); |
| } |
| } |
| |
| void JNIImageWriterContext::BufferDetacher::detach(wp<Surface> bq) { |
| Mutex::Autolock l(mLock); |
| if (mThread == nullptr) { |
| ALOGE("%s: buffer detach thread is gone!", __FUNCTION__); |
| return; |
| } |
| mThread->detach(bq); |
| } |
| |
| void JNIImageWriterContext::BufferDetacher::DetachThread::detach(wp<Surface> bq) { |
| Mutex::Autolock l(mLock); |
| mQueue.push_back(bq); |
| mCondition.signal(); |
| } |
| |
| void JNIImageWriterContext::BufferDetacher::DetachThread::requestExit() { |
| Thread::requestExit(); |
| { |
| Mutex::Autolock l(mLock); |
| mQueue.clear(); |
| } |
| mCondition.signal(); |
| } |
| |
| bool JNIImageWriterContext::BufferDetacher::DetachThread::threadLoop() { |
| Mutex::Autolock l(mLock); |
| mCondition.waitRelative(mLock, kWaitDuration); |
| |
| while (!mQueue.empty()) { |
| if (exitPending()) { |
| return false; |
| } |
| |
| wp<Surface> wbq = mQueue.front(); |
| mQueue.pop_front(); |
| sp<Surface> bq = wbq.promote(); |
| if (bq != nullptr) { |
| sp<Fence> fence; |
| sp<GraphicBuffer> buffer; |
| ALOGV("%s: One buffer is detached", __FUNCTION__); |
| mLock.unlock(); |
| bq->detachNextBuffer(&buffer, &fence); |
| mLock.lock(); |
| } |
| } |
| return !exitPending(); |
| } |
| |
| JNIImageWriterContext::JNIImageWriterContext(JNIEnv* env, jobject weakThiz, jclass clazz) : |
| mWeakThiz(env->NewGlobalRef(weakThiz)), |
| mClazz((jclass)env->NewGlobalRef(clazz)), |
| mFormat(0), |
| mWidth(-1), |
| mHeight(-1) { |
| sBufferDetacher.addRef(); |
| } |
| |
| JNIImageWriterContext::~JNIImageWriterContext() { |
| ALOGV("%s", __FUNCTION__); |
| bool needsDetach = false; |
| JNIEnv* env = getJNIEnv(&needsDetach); |
| if (env != NULL) { |
| env->DeleteGlobalRef(mWeakThiz); |
| env->DeleteGlobalRef(mClazz); |
| } else { |
| ALOGW("leaking JNI object references"); |
| } |
| if (needsDetach) { |
| detachJNI(); |
| } |
| |
| mProducer.clear(); |
| sBufferDetacher.removeRef(); |
| } |
| |
| JNIEnv* JNIImageWriterContext::getJNIEnv(bool* needsDetach) { |
| ALOGV("%s", __FUNCTION__); |
| LOG_ALWAYS_FATAL_IF(needsDetach == NULL, "needsDetach is null!!!"); |
| *needsDetach = false; |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| if (env == NULL) { |
| JavaVMAttachArgs args = {JNI_VERSION_1_4, NULL, NULL}; |
| JavaVM* vm = AndroidRuntime::getJavaVM(); |
| int result = vm->AttachCurrentThread(&env, (void*) &args); |
| if (result != JNI_OK) { |
| ALOGE("thread attach failed: %#x", result); |
| return NULL; |
| } |
| *needsDetach = true; |
| } |
| return env; |
| } |
| |
| void JNIImageWriterContext::detachJNI() { |
| ALOGV("%s", __FUNCTION__); |
| JavaVM* vm = AndroidRuntime::getJavaVM(); |
| int result = vm->DetachCurrentThread(); |
| if (result != JNI_OK) { |
| ALOGE("thread detach failed: %#x", result); |
| } |
| } |
| |
| void JNIImageWriterContext::onBufferReleased() { |
| ALOGV("%s: buffer released", __FUNCTION__); |
| bool needsDetach = false; |
| JNIEnv* env = getJNIEnv(&needsDetach); |
| |
| bool bufferIsAttached = false; |
| { |
| Mutex::Autolock l(mAttachedFlagQueueLock); |
| if (!mAttachedFlagQueue.empty()) { |
| bufferIsAttached = mAttachedFlagQueue.front(); |
| mAttachedFlagQueue.pop_front(); |
| } else { |
| ALOGW("onBufferReleased called with no attached flag queued"); |
| } |
| } |
| |
| if (env != NULL) { |
| // Detach the buffer every time when a buffer consumption is done, |
| // need let this callback give a BufferItem, then only detach if it was attached to this |
| // Writer. see b/19977520 |
| if (mFormat == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED || bufferIsAttached) { |
| sBufferDetacher.detach(mProducer); |
| } |
| |
| env->CallStaticVoidMethod(mClazz, gImageWriterClassInfo.postEventFromNative, mWeakThiz); |
| } else { |
| ALOGW("onBufferReleased event will not posted"); |
| } |
| |
| if (needsDetach) { |
| detachJNI(); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| extern "C" { |
| |
| // -------------------------------Private method declarations-------------- |
| |
| static void Image_setNativeContext(JNIEnv* env, jobject thiz, |
| sp<GraphicBuffer> buffer, int fenceFd, int dataSpace); |
| static void Image_getNativeContext(JNIEnv* env, jobject thiz, |
| GraphicBuffer** buffer, int* fenceFd); |
| static void Image_unlockIfLocked(JNIEnv* env, jobject thiz); |
| |
| // --------------------------ImageWriter methods--------------------------------------- |
| |
| static void ImageWriter_classInit(JNIEnv* env, jclass clazz) { |
| ALOGV("%s:", __FUNCTION__); |
| jclass imageClazz = env->FindClass("android/media/ImageWriter$WriterSurfaceImage"); |
| LOG_ALWAYS_FATAL_IF(imageClazz == NULL, |
| "can't find android/media/ImageWriter$WriterSurfaceImage"); |
| |
| gSurfaceImageClassInfo.mDataSpace = env->GetFieldID( |
| imageClazz, "mDataSpace", "I"); |
| LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mDataSpace == NULL, |
| "can't find android/media/ImageWriter$WriterSurfaceImage.mDataSpace"); |
| |
| gSurfaceImageClassInfo.mNativeBuffer = env->GetFieldID( |
| imageClazz, IMAGE_BUFFER_JNI_ID, "J"); |
| LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mNativeBuffer == NULL, |
| "can't find android/media/ImageWriter$WriterSurfaceImage.%s", IMAGE_BUFFER_JNI_ID); |
| |
| gSurfaceImageClassInfo.mNativeFenceFd = env->GetFieldID( |
| imageClazz, "mNativeFenceFd", "I"); |
| LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mNativeFenceFd == NULL, |
| "can't find android/media/ImageWriter$WriterSurfaceImage.mNativeFenceFd"); |
| |
| gSurfaceImageClassInfo.mPlanes = env->GetFieldID( |
| imageClazz, "mPlanes", "[Landroid/media/ImageWriter$WriterSurfaceImage$SurfacePlane;"); |
| LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mPlanes == NULL, |
| "can't find android/media/ImageWriter$WriterSurfaceImage.mPlanes"); |
| |
| gImageWriterClassInfo.postEventFromNative = env->GetStaticMethodID( |
| clazz, "postEventFromNative", "(Ljava/lang/Object;)V"); |
| LOG_ALWAYS_FATAL_IF(gImageWriterClassInfo.postEventFromNative == NULL, |
| "can't find android/media/ImageWriter.postEventFromNative"); |
| |
| gImageWriterClassInfo.mWriterFormat = env->GetFieldID( |
| clazz, "mWriterFormat", "I"); |
| LOG_ALWAYS_FATAL_IF(gImageWriterClassInfo.mWriterFormat == NULL, |
| "can't find android/media/ImageWriter.mWriterFormat"); |
| |
| jclass planeClazz = env->FindClass("android/media/ImageWriter$WriterSurfaceImage$SurfacePlane"); |
| LOG_ALWAYS_FATAL_IF(planeClazz == NULL, "Can not find SurfacePlane class"); |
| // FindClass only gives a local reference of jclass object. |
| gSurfacePlaneClassInfo.clazz = (jclass) env->NewGlobalRef(planeClazz); |
| gSurfacePlaneClassInfo.ctor = env->GetMethodID(gSurfacePlaneClassInfo.clazz, "<init>", |
| "(Landroid/media/ImageWriter$WriterSurfaceImage;IILjava/nio/ByteBuffer;)V"); |
| LOG_ALWAYS_FATAL_IF(gSurfacePlaneClassInfo.ctor == NULL, |
| "Can not find SurfacePlane constructor"); |
| } |
| |
| static jlong ImageWriter_init(JNIEnv* env, jobject thiz, jobject weakThiz, jobject jsurface, |
| jint maxImages, jint userWidth, jint userHeight, jboolean useSurfaceImageFormatInfo, |
| jint hardwareBufferFormat, jint dataSpace, jlong ndkUsage) { |
| status_t res; |
| |
| ALOGV("%s: maxImages:%d", __FUNCTION__, maxImages); |
| |
| sp<Surface> surface(android_view_Surface_getSurface(env, jsurface)); |
| if (surface == NULL) { |
| jniThrowException(env, |
| "java/lang/IllegalArgumentException", |
| "The surface has been released"); |
| return 0; |
| } |
| sp<IGraphicBufferProducer> bufferProducer = surface->getIGraphicBufferProducer(); |
| |
| jclass clazz = env->GetObjectClass(thiz); |
| if (clazz == NULL) { |
| jniThrowRuntimeException(env, "Can't find android/graphics/ImageWriter"); |
| return 0; |
| } |
| sp<JNIImageWriterContext> ctx(new JNIImageWriterContext(env, weakThiz, clazz)); |
| |
| sp<Surface> producer = new Surface(bufferProducer, /*controlledByApp*/false); |
| ctx->setProducer(producer); |
| /** |
| * NATIVE_WINDOW_API_CPU isn't a good choice here, as it makes the bufferQueue not connectable |
| * after disconnect. MEDIA or CAMERA are treated the same internally. The producer listener |
| * will be cleared after disconnect call. |
| */ |
| res = producer->connect(/*api*/NATIVE_WINDOW_API_CAMERA, /*listener*/ctx); |
| if (res != OK) { |
| ALOGE("%s: Connecting to surface producer interface failed: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Failed to connect to native window"); |
| return 0; |
| } |
| |
| jlong nativeCtx = reinterpret_cast<jlong>(ctx.get()); |
| |
| // Get the dimension and format of the producer. |
| sp<ANativeWindow> anw = producer; |
| int32_t width, height, surfaceHalFormat; |
| int32_t surfaceFormat = 0; |
| int32_t surfaceDataspace = 0; |
| if (userWidth < 0) { |
| if ((res = anw->query(anw.get(), NATIVE_WINDOW_WIDTH, &width)) != OK) { |
| ALOGE("%s: Query Surface width failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Failed to query Surface width"); |
| return 0; |
| } |
| } else { |
| width = userWidth; |
| } |
| |
| ctx->setBufferWidth(width); |
| |
| if (userHeight < 0) { |
| if ((res = anw->query(anw.get(), NATIVE_WINDOW_HEIGHT, &height)) != OK) { |
| ALOGE("%s: Query Surface height failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Failed to query Surface height"); |
| return 0; |
| } |
| } else { |
| height = userHeight; |
| } |
| ctx->setBufferHeight(height); |
| |
| if ((userWidth > 0) && (userHeight > 0)) { |
| res = native_window_set_buffers_user_dimensions(anw.get(), userWidth, userHeight); |
| if (res != OK) { |
| ALOGE("%s: Set buffer dimensions failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Set buffer dimensions failed"); |
| return 0; |
| } |
| } |
| |
| // Query surface format if no valid user format is specified, otherwise, override surface format |
| // with user format. |
| if (useSurfaceImageFormatInfo) { |
| // retrieve hal format |
| if ((res = anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &surfaceHalFormat)) != OK) { |
| ALOGE("%s: Query Surface format failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Failed to query Surface format"); |
| return 0; |
| } |
| if ((res = anw->query( |
| anw.get(), NATIVE_WINDOW_DEFAULT_DATASPACE, &surfaceDataspace)) != OK) { |
| ALOGE("%s: Query Surface dataspace failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Failed to query Surface dataspace"); |
| return 0; |
| } |
| } else { |
| // Set consumer buffer format to user specified format |
| android_dataspace nativeDataspace = static_cast<android_dataspace>(dataSpace); |
| res = native_window_set_buffers_format(anw.get(), hardwareBufferFormat); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure consumer native buffer format to %#x", |
| __FUNCTION__, hardwareBufferFormat); |
| jniThrowRuntimeException(env, "Failed to set Surface format"); |
| return 0; |
| } |
| |
| res = native_window_set_buffers_data_space(anw.get(), nativeDataspace); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure consumer dataspace %#x", |
| __FUNCTION__, nativeDataspace); |
| jniThrowRuntimeException(env, "Failed to set Surface dataspace"); |
| return 0; |
| } |
| ctx->setBufferDataSpace(nativeDataspace); |
| surfaceDataspace = dataSpace; |
| surfaceHalFormat = hardwareBufferFormat; |
| } |
| |
| ctx->setBufferFormat(surfaceHalFormat); |
| ctx->setBufferDataSpace(static_cast<android_dataspace>(surfaceDataspace)); |
| |
| // update class.mWriterFormat |
| surfaceFormat = static_cast<int32_t>(mapHalFormatDataspaceToPublicFormat( |
| surfaceHalFormat, static_cast<android_dataspace>(surfaceDataspace))); |
| env->SetIntField(thiz, |
| gImageWriterClassInfo.mWriterFormat, reinterpret_cast<jint>(surfaceFormat)); |
| |
| // ndkUsage == -1 means setUsage in ImageWriter class is not called. |
| // skip usage setting if setUsage in ImageWriter is not called and imageformat is opaque. |
| if (!(ndkUsage == -1 && isFormatOpaque(surfaceHalFormat))) { |
| if (ndkUsage == -1) { |
| ndkUsage = GRALLOC_USAGE_SW_WRITE_OFTEN; |
| } |
| res = native_window_set_usage(anw.get(), ndkUsage); |
| if (res != OK) { |
| ALOGE("%s: Configure usage %08x for format %08x failed: %s (%d)", |
| __FUNCTION__, static_cast<unsigned int>(ndkUsage), |
| surfaceFormat, strerror(-res), res); |
| jniThrowRuntimeException(env, |
| "Failed to SW_WRITE_OFTEN configure usage"); |
| return 0; |
| } |
| } |
| |
| int minUndequeuedBufferCount = 0; |
| res = anw->query(anw.get(), |
| NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufferCount); |
| if (res != OK) { |
| ALOGE("%s: Query producer undequeued buffer count failed: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Query producer undequeued buffer count failed"); |
| return 0; |
| } |
| |
| size_t totalBufferCount = maxImages + minUndequeuedBufferCount; |
| res = native_window_set_buffer_count(anw.get(), totalBufferCount); |
| if (res != OK) { |
| ALOGE("%s: Set buffer count failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Set buffer count failed"); |
| return 0; |
| } |
| |
| if (ctx != 0) { |
| ctx->incStrong((void*)ImageWriter_init); |
| } |
| return nativeCtx; |
| } |
| |
| static void ImageWriter_dequeueImage(JNIEnv* env, jobject thiz, jlong nativeCtx, jobject image) { |
| ALOGV("%s", __FUNCTION__); |
| JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| if (ctx == NULL || thiz == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "ImageWriterContext is not initialized"); |
| return; |
| } |
| |
| sp<ANativeWindow> anw = ctx->getProducer(); |
| android_native_buffer_t *anb = NULL; |
| int fenceFd = -1; |
| status_t res = anw->dequeueBuffer(anw.get(), &anb, &fenceFd); |
| if (res != OK) { |
| ALOGE("%s: Dequeue buffer failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| switch (res) { |
| case NO_INIT: |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Surface has been abandoned"); |
| break; |
| default: |
| // TODO: handle other error cases here. |
| jniThrowRuntimeException(env, "dequeue buffer failed"); |
| } |
| return; |
| } |
| // New GraphicBuffer object doesn't own the handle, thus the native buffer |
| // won't be freed when this object is destroyed. |
| sp<GraphicBuffer> buffer(GraphicBuffer::from(anb)); |
| |
| // Note that: |
| // 1. No need to lock buffer now, will only lock it when the first getPlanes() is called. |
| // 2. Fence will be saved to mNativeFenceFd, and will consumed by lock/queue/cancel buffer |
| // later. |
| // 3. need use lockAsync here, as it will handle the dequeued fence for us automatically. |
| |
| // Finally, set the native info into image object. |
| Image_setNativeContext(env, image, buffer, fenceFd, ctx->getBufferDataSpace()); |
| } |
| |
| static void ImageWriter_close(JNIEnv* env, jobject thiz, jlong nativeCtx) { |
| ALOGV("%s:", __FUNCTION__); |
| JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| if (ctx == NULL || thiz == NULL) { |
| // ImageWriter is already closed. |
| return; |
| } |
| |
| ANativeWindow* producer = ctx->getProducer(); |
| if (producer != NULL) { |
| /** |
| * NATIVE_WINDOW_API_CPU isn't a good choice here, as it makes the bufferQueue not |
| * connectable after disconnect. MEDIA or CAMERA are treated the same internally. |
| * The producer listener will be cleared after disconnect call. |
| */ |
| status_t res = native_window_api_disconnect(producer, /*api*/NATIVE_WINDOW_API_CAMERA); |
| /** |
| * This is not an error. if client calling process dies, the window will |
| * also die and all calls to it will return DEAD_OBJECT, thus it's already |
| * "disconnected" |
| */ |
| if (res == DEAD_OBJECT) { |
| ALOGW("%s: While disconnecting ImageWriter from native window, the" |
| " native window died already", __FUNCTION__); |
| } else if (res != OK) { |
| ALOGE("%s: native window disconnect failed: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| jniThrowRuntimeException(env, "Native window disconnect failed"); |
| return; |
| } |
| } |
| |
| ctx->decStrong((void*)ImageWriter_init); |
| } |
| |
| static void ImageWriter_cancelImage(JNIEnv* env, jobject thiz, jlong nativeCtx, jobject image) { |
| ALOGV("%s", __FUNCTION__); |
| JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| if (ctx == NULL || thiz == NULL) { |
| ALOGW("ImageWriter#close called before Image#close, consider calling Image#close first"); |
| return; |
| } |
| |
| sp<ANativeWindow> anw = ctx->getProducer(); |
| |
| GraphicBuffer *buffer = NULL; |
| int fenceFd = -1; |
| Image_getNativeContext(env, image, &buffer, &fenceFd); |
| if (buffer == NULL) { |
| // Cancel an already cancelled image is harmless. |
| return; |
| } |
| |
| // Unlock the image if it was locked |
| Image_unlockIfLocked(env, image); |
| |
| anw->cancelBuffer(anw.get(), buffer, fenceFd); |
| |
| Image_setNativeContext(env, image, NULL, -1, HAL_DATASPACE_UNKNOWN); |
| } |
| |
| static void ImageWriter_queueImage(JNIEnv* env, jobject thiz, jlong nativeCtx, jobject image, |
| jlong timestampNs, jint dataSpace, jint left, jint top, jint right, |
| jint bottom, jint transform, jint scalingMode) { |
| ALOGV("%s", __FUNCTION__); |
| JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| if (ctx == NULL || thiz == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "ImageWriterContext is not initialized"); |
| return; |
| } |
| |
| status_t res = OK; |
| sp<ANativeWindow> anw = ctx->getProducer(); |
| |
| GraphicBuffer *buffer = NULL; |
| int fenceFd = -1; |
| Image_getNativeContext(env, image, &buffer, &fenceFd); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return; |
| } |
| |
| // Unlock image if it was locked. |
| Image_unlockIfLocked(env, image); |
| |
| // Set timestamp |
| ALOGV("timestamp to be queued: %" PRId64, timestampNs); |
| res = native_window_set_buffers_timestamp(anw.get(), timestampNs); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set timestamp failed"); |
| return; |
| } |
| |
| // Set dataSpace |
| ALOGV("dataSpace to be queued: %d", dataSpace); |
| res = native_window_set_buffers_data_space( |
| anw.get(), static_cast<android_dataspace>(dataSpace)); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set dataspace failed"); |
| return; |
| } |
| |
| // Set crop |
| android_native_rect_t cropRect; |
| cropRect.left = left; |
| cropRect.top = top; |
| cropRect.right = right; |
| cropRect.bottom = bottom; |
| res = native_window_set_crop(anw.get(), &cropRect); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set crop rect failed"); |
| return; |
| } |
| |
| res = native_window_set_buffers_transform(anw.get(), transform); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set transform failed"); |
| return; |
| } |
| |
| res = native_window_set_scaling_mode(anw.get(), scalingMode); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set scaling mode failed"); |
| return; |
| } |
| |
| // Finally, queue input buffer. |
| // |
| // Because onBufferReleased may be called before queueBuffer() returns, |
| // queue the "attached" flag before calling queueBuffer. In case |
| // queueBuffer() fails, remove it from the queue. |
| ctx->queueAttachedFlag(false); |
| res = anw->queueBuffer(anw.get(), buffer, fenceFd); |
| if (res != OK) { |
| ALOGE("%s: Queue buffer failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| ctx->dequeueAttachedFlag(); |
| switch (res) { |
| case NO_INIT: |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Surface has been abandoned"); |
| break; |
| default: |
| // TODO: handle other error cases here. |
| jniThrowRuntimeException(env, "Queue input buffer failed"); |
| } |
| return; |
| } |
| |
| // Clear the image native context: end of this image's lifecycle in public API. |
| Image_setNativeContext(env, image, NULL, -1, HAL_DATASPACE_UNKNOWN); |
| } |
| |
| static status_t attachAndQeueuGraphicBuffer(JNIEnv* env, JNIImageWriterContext *ctx, |
| sp<Surface> surface, sp<GraphicBuffer> gb, jlong timestampNs, jint dataSpace, |
| jint left, jint top, jint right, jint bottom, jint transform, jint scalingMode) { |
| status_t res = OK; |
| // Step 1. Attach Image |
| res = surface->attachBuffer(gb.get()); |
| if (res != OK) { |
| ALOGE("Attach image failed: %s (%d)", strerror(-res), res); |
| switch (res) { |
| case NO_INIT: |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Surface has been abandoned"); |
| break; |
| default: |
| // TODO: handle other error cases here. |
| jniThrowRuntimeException(env, "nativeAttachImage failed!!!"); |
| } |
| return res; |
| } |
| sp < ANativeWindow > anw = surface; |
| |
| // Step 2. Set timestamp, dataspace, crop, transform and scaling mode. |
| // Note that we do not need unlock the image because it was not locked. |
| ALOGV("timestamp to be queued: %" PRId64, timestampNs); |
| res = native_window_set_buffers_timestamp(anw.get(), timestampNs); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set timestamp failed"); |
| return res; |
| } |
| |
| ALOGV("dataSpace to be queued: %" PRId32, dataSpace); |
| res = native_window_set_buffers_data_space( |
| anw.get(), static_cast<android_dataspace>(dataSpace)); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set dataSpace failed"); |
| return res; |
| } |
| |
| android_native_rect_t cropRect; |
| cropRect.left = left; |
| cropRect.top = top; |
| cropRect.right = right; |
| cropRect.bottom = bottom; |
| res = native_window_set_crop(anw.get(), &cropRect); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set crop rect failed"); |
| return res; |
| } |
| |
| res = native_window_set_buffers_transform(anw.get(), transform); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set transform failed"); |
| return res; |
| } |
| |
| res = native_window_set_scaling_mode(anw.get(), scalingMode); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "Set scaling mode failed"); |
| return res; |
| } |
| |
| // Step 3. Queue Image. |
| // |
| // Because onBufferReleased may be called before queueBuffer() returns, |
| // queue the "attached" flag before calling queueBuffer. In case |
| // queueBuffer() fails, remove it from the queue. |
| ctx->queueAttachedFlag(true); |
| res = anw->queueBuffer(anw.get(), gb.get(), /*fenceFd*/ |
| -1); |
| if (res != OK) { |
| ALOGE("%s: Queue buffer failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| ctx->dequeueAttachedFlag(); |
| switch (res) { |
| case NO_INIT: |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Surface has been abandoned"); |
| break; |
| default: |
| // TODO: handle other error cases here. |
| jniThrowRuntimeException(env, "Queue input buffer failed"); |
| } |
| return res; |
| } |
| |
| // Do not set the image native context. Since it would overwrite the existing native context |
| // of the image that is from ImageReader, the subsequent image close will run into issues. |
| |
| return res; |
| } |
| |
| static jint ImageWriter_attachAndQueueImage(JNIEnv* env, jobject thiz, jlong nativeCtx, |
| jlong nativeBuffer, jint nativeHalFormat, jlong timestampNs, jint dataSpace, |
| jint left, jint top, jint right, jint bottom, jint transform, jint scalingMode) { |
| ALOGV("%s", __FUNCTION__); |
| JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| if (ctx == NULL || thiz == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "ImageWriterContext is not initialized"); |
| return -1; |
| } |
| |
| sp<Surface> surface = ctx->getProducer(); |
| if (isFormatOpaque(ctx->getBufferFormat()) != isFormatOpaque(nativeHalFormat)) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Trying to attach an opaque image into a non-opaque ImageWriter, or vice versa"); |
| return -1; |
| } |
| |
| // Image is guaranteed to be from ImageReader at this point, so it is safe to |
| // cast to BufferItem pointer. |
| BufferItem* buffer = reinterpret_cast<BufferItem*>(nativeBuffer); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized or already closed"); |
| return -1; |
| } |
| |
| return attachAndQeueuGraphicBuffer(env, ctx, surface, buffer->mGraphicBuffer, timestampNs, |
| dataSpace, left, top, right, bottom, transform, scalingMode); |
| } |
| |
| static jint ImageWriter_attachAndQueueGraphicBuffer(JNIEnv* env, jobject thiz, jlong nativeCtx, |
| jobject buffer, jint nativeHalFormat, jlong timestampNs, jint dataSpace, |
| jint left, jint top, jint right, jint bottom, jint transform, jint scalingMode) { |
| ALOGV("%s", __FUNCTION__); |
| JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| if (ctx == NULL || thiz == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "ImageWriterContext is not initialized"); |
| return -1; |
| } |
| |
| sp<Surface> surface = ctx->getProducer(); |
| if (isFormatOpaque(ctx->getBufferFormat()) != isFormatOpaque(nativeHalFormat)) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Trying to attach an opaque image into a non-opaque ImageWriter, or vice versa"); |
| return -1; |
| } |
| |
| sp<GraphicBuffer> graphicBuffer = android_graphics_GraphicBuffer_getNativeGraphicsBuffer(env, |
| buffer); |
| if (graphicBuffer.get() == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", |
| "Trying to attach an invalid graphic buffer"); |
| return -1; |
| } |
| return attachAndQeueuGraphicBuffer(env, ctx, surface, graphicBuffer, timestampNs, |
| dataSpace, left, top, right, bottom, transform, scalingMode); |
| } |
| |
| // --------------------------Image methods--------------------------------------- |
| |
| static void Image_getNativeContext(JNIEnv* env, jobject thiz, |
| GraphicBuffer** buffer, int* fenceFd) { |
| ALOGV("%s", __FUNCTION__); |
| if (buffer != NULL) { |
| GraphicBuffer *gb = reinterpret_cast<GraphicBuffer *> |
| (env->GetLongField(thiz, gSurfaceImageClassInfo.mNativeBuffer)); |
| *buffer = gb; |
| } |
| |
| if (fenceFd != NULL) { |
| *fenceFd = reinterpret_cast<jint>(env->GetIntField( |
| thiz, gSurfaceImageClassInfo.mNativeFenceFd)); |
| } |
| } |
| |
| static void Image_setNativeContext(JNIEnv* env, jobject thiz, |
| sp<GraphicBuffer> buffer, int fenceFd, int dataSpace) { |
| ALOGV("%s:", __FUNCTION__); |
| GraphicBuffer* p = NULL; |
| Image_getNativeContext(env, thiz, &p, /*fenceFd*/NULL); |
| if (buffer != 0) { |
| buffer->incStrong((void*)Image_setNativeContext); |
| } |
| if (p) { |
| p->decStrong((void*)Image_setNativeContext); |
| } |
| env->SetLongField(thiz, gSurfaceImageClassInfo.mNativeBuffer, |
| reinterpret_cast<jlong>(buffer.get())); |
| |
| env->SetIntField(thiz, gSurfaceImageClassInfo.mNativeFenceFd, reinterpret_cast<jint>(fenceFd)); |
| |
| env->SetIntField(thiz, gSurfaceImageClassInfo.mDataSpace, dataSpace); |
| } |
| |
| static void Image_unlockIfLocked(JNIEnv* env, jobject thiz) { |
| ALOGV("%s", __FUNCTION__); |
| GraphicBuffer* buffer; |
| Image_getNativeContext(env, thiz, &buffer, NULL); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return; |
| } |
| |
| // Is locked? |
| bool isLocked = false; |
| jobject planes = NULL; |
| if (!isFormatOpaque(buffer->getPixelFormat())) { |
| planes = env->GetObjectField(thiz, gSurfaceImageClassInfo.mPlanes); |
| } |
| isLocked = (planes != NULL); |
| if (isLocked) { |
| // no need to use fence here, as we it will be consumed by either cancel or queue buffer. |
| status_t res = buffer->unlock(); |
| if (res != OK) { |
| jniThrowRuntimeException(env, "unlock buffer failed"); |
| return; |
| } |
| ALOGV("Successfully unlocked the image"); |
| } |
| } |
| |
| static jint Image_getWidth(JNIEnv* env, jobject thiz) { |
| ALOGV("%s", __FUNCTION__); |
| GraphicBuffer* buffer; |
| Image_getNativeContext(env, thiz, &buffer, NULL); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return -1; |
| } |
| |
| return buffer->getWidth(); |
| } |
| |
| static jint Image_getHeight(JNIEnv* env, jobject thiz) { |
| ALOGV("%s", __FUNCTION__); |
| GraphicBuffer* buffer; |
| Image_getNativeContext(env, thiz, &buffer, NULL); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return -1; |
| } |
| |
| return buffer->getHeight(); |
| } |
| |
| static jint Image_getFormat(JNIEnv* env, jobject thiz, jint dataSpace) { |
| ALOGV("%s", __FUNCTION__); |
| GraphicBuffer* buffer; |
| Image_getNativeContext(env, thiz, &buffer, NULL); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return 0; |
| } |
| |
| PublicFormat publicFmt = mapHalFormatDataspaceToPublicFormat(buffer->getPixelFormat(), |
| static_cast<android_dataspace>(dataSpace)); |
| |
| return static_cast<jint>(publicFmt); |
| } |
| |
| static jobject Image_getHardwareBuffer(JNIEnv* env, jobject thiz) { |
| GraphicBuffer* buffer; |
| Image_getNativeContext(env, thiz, &buffer, NULL); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return NULL; |
| } |
| AHardwareBuffer* b = AHardwareBuffer_from_GraphicBuffer(buffer); |
| // don't user the public AHardwareBuffer_toHardwareBuffer() because this would force us |
| // to link against libandroid.so |
| return android_hardware_HardwareBuffer_createFromAHardwareBuffer(env, b); |
| } |
| |
| static void Image_setFenceFd(JNIEnv* env, jobject thiz, int fenceFd) { |
| ALOGV("%s:", __FUNCTION__); |
| int curtFenceFd = reinterpret_cast<jint>( |
| env->GetIntField(thiz,gSurfaceImageClassInfo.mNativeFenceFd)); |
| if (curtFenceFd != -1) { |
| close(curtFenceFd); |
| } |
| env->SetIntField(thiz, gSurfaceImageClassInfo.mNativeFenceFd, reinterpret_cast<jint>(fenceFd)); |
| } |
| |
| static void Image_getLockedImage(JNIEnv* env, jobject thiz, LockedImage *image) { |
| ALOGV("%s", __FUNCTION__); |
| GraphicBuffer* buffer; |
| int fenceFd = -1; |
| Image_getNativeContext(env, thiz, &buffer, &fenceFd); |
| if (buffer == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Image is not initialized"); |
| return; |
| } |
| |
| // ImageWriter doesn't use crop by itself, app sets it, use the no crop version. |
| const Rect noCrop(buffer->width, buffer->height); |
| status_t res = lockImageFromBuffer( |
| buffer, GRALLOC_USAGE_SW_WRITE_OFTEN, noCrop, fenceFd, image); |
| // Clear the fenceFd as it is already consumed by lock call. |
| Image_setFenceFd(env, thiz, /*fenceFd*/-1); |
| if (res != OK) { |
| jniThrowExceptionFmt(env, "java/lang/RuntimeException", |
| "lock buffer failed for format 0x%x", |
| buffer->getPixelFormat()); |
| return; |
| } |
| |
| ALOGV("%s: Successfully locked the image", __FUNCTION__); |
| // crop, transform, scalingMode, timestamp, and frameNumber should be set by producer, |
| // and we don't set them here. |
| } |
| |
| static bool Image_getLockedImageInfo(JNIEnv* env, LockedImage* buffer, int idx, |
| int32_t halFormat, uint8_t **base, uint32_t *size, int *pixelStride, int *rowStride) { |
| ALOGV("%s", __FUNCTION__); |
| |
| status_t res = getLockedImageInfo(buffer, idx, halFormat, base, size, |
| pixelStride, rowStride); |
| if (res != OK) { |
| jniThrowExceptionFmt(env, "java/lang/UnsupportedOperationException", |
| "Pixel format: 0x%x is unsupported", halFormat); |
| return false; |
| } |
| return true; |
| } |
| |
| static jobjectArray Image_createSurfacePlanes(JNIEnv* env, jobject thiz, |
| int numPlanes, int writerFormat) { |
| ALOGV("%s: create SurfacePlane array with size %d", __FUNCTION__, numPlanes); |
| int rowStride, pixelStride; |
| uint8_t *pData; |
| uint32_t dataSize; |
| jobject byteBuffer; |
| int halFormat = mapPublicFormatToHalFormat(static_cast<PublicFormat>(writerFormat)); |
| |
| if (isFormatOpaque(halFormat) && numPlanes > 0) { |
| String8 msg; |
| msg.appendFormat("Format 0x%x is opaque, thus not writable, the number of planes (%d)" |
| " must be 0", writerFormat, numPlanes); |
| jniThrowException(env, "java/lang/IllegalArgumentException", msg.string()); |
| return NULL; |
| } |
| |
| jobjectArray surfacePlanes = env->NewObjectArray(numPlanes, gSurfacePlaneClassInfo.clazz, |
| /*initial_element*/NULL); |
| if (surfacePlanes == NULL) { |
| jniThrowRuntimeException(env, "Failed to create SurfacePlane arrays," |
| " probably out of memory"); |
| return NULL; |
| } |
| |
| if (isFormatOpaque(halFormat)) { |
| return surfacePlanes; |
| } |
| |
| // Buildup buffer info: rowStride, pixelStride and byteBuffers. |
| LockedImage lockedImg = LockedImage(); |
| Image_getLockedImage(env, thiz, &lockedImg); |
| |
| // Create all SurfacePlanes |
| for (int i = 0; i < numPlanes; i++) { |
| if (!Image_getLockedImageInfo(env, &lockedImg, i, halFormat, |
| &pData, &dataSize, &pixelStride, &rowStride)) { |
| return NULL; |
| } |
| byteBuffer = env->NewDirectByteBuffer(pData, dataSize); |
| if ((byteBuffer == NULL) && (env->ExceptionCheck() == false)) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Failed to allocate ByteBuffer"); |
| return NULL; |
| } |
| |
| // Finally, create this SurfacePlane. |
| jobject surfacePlane = env->NewObject(gSurfacePlaneClassInfo.clazz, |
| gSurfacePlaneClassInfo.ctor, thiz, rowStride, pixelStride, byteBuffer); |
| env->SetObjectArrayElement(surfacePlanes, i, surfacePlane); |
| } |
| |
| return surfacePlanes; |
| } |
| |
| } // extern "C" |
| |
| // ---------------------------------------------------------------------------- |
| |
| static JNINativeMethod gImageWriterMethods[] = { |
| {"nativeClassInit", "()V", (void*)ImageWriter_classInit }, |
| {"nativeInit", "(Ljava/lang/Object;Landroid/view/Surface;IIIZIIJ)J", |
| (void*)ImageWriter_init }, |
| {"nativeClose", "(J)V", (void*)ImageWriter_close }, |
| {"nativeAttachAndQueueImage", |
| "(JJIJIIIIIII)I", |
| (void*)ImageWriter_attachAndQueueImage }, |
| {"nativeAttachAndQueueGraphicBuffer", |
| "(JLandroid/graphics/GraphicBuffer;IJIIIIIII)I", |
| (void*)ImageWriter_attachAndQueueGraphicBuffer }, |
| {"nativeDequeueInputImage", "(JLandroid/media/Image;)V", (void*)ImageWriter_dequeueImage }, |
| {"nativeQueueInputImage", "(JLandroid/media/Image;JIIIIIII)V", |
| (void*)ImageWriter_queueImage }, |
| {"cancelImage", "(JLandroid/media/Image;)V", (void*)ImageWriter_cancelImage }, |
| }; |
| |
| static JNINativeMethod gImageMethods[] = { |
| {"nativeCreatePlanes", "(II)[Landroid/media/ImageWriter$WriterSurfaceImage$SurfacePlane;", |
| (void*)Image_createSurfacePlanes }, |
| {"nativeGetWidth", "()I", (void*)Image_getWidth }, |
| {"nativeGetHeight", "()I", (void*)Image_getHeight }, |
| {"nativeGetFormat", "(I)I", (void*)Image_getFormat }, |
| {"nativeSetFenceFd", "(I)V", (void*)Image_setFenceFd }, |
| {"nativeGetHardwareBuffer", "()Landroid/hardware/HardwareBuffer;", |
| (void*)Image_getHardwareBuffer }, |
| }; |
| |
| int register_android_media_ImageWriter(JNIEnv *env) { |
| |
| int ret1 = AndroidRuntime::registerNativeMethods(env, |
| "android/media/ImageWriter", gImageWriterMethods, NELEM(gImageWriterMethods)); |
| |
| int ret2 = AndroidRuntime::registerNativeMethods(env, |
| "android/media/ImageWriter$WriterSurfaceImage", gImageMethods, NELEM(gImageMethods)); |
| |
| return (ret1 || ret2); |
| } |