Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "ImageReader_JNI" |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 19 | #include "android_media_Utils.h" |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 20 | #include <utils/Log.h> |
| 21 | #include <utils/misc.h> |
| 22 | #include <utils/List.h> |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 23 | #include <utils/String8.h> |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 24 | |
| 25 | #include <cstdio> |
| 26 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 27 | #include <gui/BufferItemConsumer.h> |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 28 | #include <gui/Surface.h> |
Zhijun He | 534046d | 2013-07-01 11:03:41 -0700 | [diff] [blame] | 29 | #include <camera3.h> |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 30 | |
| 31 | #include <android_runtime/AndroidRuntime.h> |
| 32 | #include <android_runtime/android_view_Surface.h> |
| 33 | |
| 34 | #include <jni.h> |
| 35 | #include <JNIHelp.h> |
| 36 | |
Igor Murashkin | 5096def | 2014-06-24 10:49:11 -0700 | [diff] [blame] | 37 | #include <stdint.h> |
| 38 | #include <inttypes.h> |
| 39 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 40 | #define ANDROID_MEDIA_IMAGEREADER_CTX_JNI_ID "mNativeContext" |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 41 | #define ANDROID_MEDIA_SURFACEIMAGE_BUFFER_JNI_ID "mNativeBuffer" |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 42 | #define ANDROID_MEDIA_SURFACEIMAGE_TS_JNI_ID "mTimestamp" |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | |
| 46 | using namespace android; |
| 47 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 48 | |
Igor Murashkin | e3351f1 | 2013-09-13 13:08:04 -0700 | [diff] [blame] | 49 | enum { |
| 50 | ACQUIRE_SUCCESS = 0, |
| 51 | ACQUIRE_NO_BUFFERS = 1, |
| 52 | ACQUIRE_MAX_IMAGES = 2, |
| 53 | }; |
| 54 | |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 55 | static struct { |
| 56 | jfieldID mNativeContext; |
| 57 | jmethodID postEventFromNative; |
| 58 | } gImageReaderClassInfo; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 59 | |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 60 | static struct { |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 61 | jfieldID mNativeBuffer; |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 62 | jfieldID mTimestamp; |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 63 | jfieldID mPlanes; |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 64 | } gSurfaceImageClassInfo; |
| 65 | |
| 66 | static struct { |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 67 | jclass clazz; |
| 68 | jmethodID ctor; |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 69 | } gSurfacePlaneClassInfo; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 70 | |
Eino-Ville Talvala | ef9db7d | 2015-06-09 14:15:15 -0700 | [diff] [blame] | 71 | // Get an ID that's unique within this process. |
| 72 | static int32_t createProcessUniqueId() { |
| 73 | static volatile int32_t globalCounter = 0; |
| 74 | return android_atomic_inc(&globalCounter); |
| 75 | } |
| 76 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 77 | // ---------------------------------------------------------------------------- |
| 78 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 79 | class JNIImageReaderContext : public ConsumerBase::FrameAvailableListener |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 80 | { |
| 81 | public: |
| 82 | JNIImageReaderContext(JNIEnv* env, jobject weakThiz, jclass clazz, int maxImages); |
| 83 | |
| 84 | virtual ~JNIImageReaderContext(); |
| 85 | |
Dan Stoza | 2c34b5e | 2014-11-04 11:36:33 -0800 | [diff] [blame] | 86 | virtual void onFrameAvailable(const BufferItem& item); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 87 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 88 | BufferItem* getBufferItem(); |
| 89 | void returnBufferItem(BufferItem* buffer); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 90 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 91 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 92 | void setBufferConsumer(const sp<BufferItemConsumer>& consumer) { mConsumer = consumer; } |
| 93 | BufferItemConsumer* getBufferConsumer() { return mConsumer.get(); } |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 94 | |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 95 | void setProducer(const sp<IGraphicBufferProducer>& producer) { mProducer = producer; } |
| 96 | IGraphicBufferProducer* getProducer() { return mProducer.get(); } |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 97 | |
| 98 | void setBufferFormat(int format) { mFormat = format; } |
| 99 | int getBufferFormat() { return mFormat; } |
| 100 | |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 101 | void setBufferDataspace(android_dataspace dataSpace) { mDataSpace = dataSpace; } |
| 102 | android_dataspace getBufferDataspace() { return mDataSpace; } |
| 103 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 104 | void setBufferWidth(int width) { mWidth = width; } |
| 105 | int getBufferWidth() { return mWidth; } |
| 106 | |
| 107 | void setBufferHeight(int height) { mHeight = height; } |
| 108 | int getBufferHeight() { return mHeight; } |
| 109 | |
| 110 | private: |
| 111 | static JNIEnv* getJNIEnv(bool* needsDetach); |
| 112 | static void detachJNI(); |
| 113 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 114 | List<BufferItem*> mBuffers; |
| 115 | sp<BufferItemConsumer> mConsumer; |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 116 | sp<IGraphicBufferProducer> mProducer; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 117 | jobject mWeakThiz; |
| 118 | jclass mClazz; |
| 119 | int mFormat; |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 120 | android_dataspace mDataSpace; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 121 | int mWidth; |
| 122 | int mHeight; |
| 123 | }; |
| 124 | |
| 125 | JNIImageReaderContext::JNIImageReaderContext(JNIEnv* env, |
| 126 | jobject weakThiz, jclass clazz, int maxImages) : |
| 127 | mWeakThiz(env->NewGlobalRef(weakThiz)), |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 128 | mClazz((jclass)env->NewGlobalRef(clazz)), |
| 129 | mFormat(0), |
| 130 | mDataSpace(HAL_DATASPACE_UNKNOWN), |
| 131 | mWidth(-1), |
| 132 | mHeight(-1) { |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 133 | for (int i = 0; i < maxImages; i++) { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 134 | BufferItem* buffer = new BufferItem; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 135 | mBuffers.push_back(buffer); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | JNIEnv* JNIImageReaderContext::getJNIEnv(bool* needsDetach) { |
| 140 | LOG_ALWAYS_FATAL_IF(needsDetach == NULL, "needsDetach is null!!!"); |
| 141 | *needsDetach = false; |
| 142 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 143 | if (env == NULL) { |
| 144 | JavaVMAttachArgs args = {JNI_VERSION_1_4, NULL, NULL}; |
| 145 | JavaVM* vm = AndroidRuntime::getJavaVM(); |
| 146 | int result = vm->AttachCurrentThread(&env, (void*) &args); |
| 147 | if (result != JNI_OK) { |
| 148 | ALOGE("thread attach failed: %#x", result); |
| 149 | return NULL; |
| 150 | } |
| 151 | *needsDetach = true; |
| 152 | } |
| 153 | return env; |
| 154 | } |
| 155 | |
| 156 | void JNIImageReaderContext::detachJNI() { |
| 157 | JavaVM* vm = AndroidRuntime::getJavaVM(); |
| 158 | int result = vm->DetachCurrentThread(); |
| 159 | if (result != JNI_OK) { |
| 160 | ALOGE("thread detach failed: %#x", result); |
| 161 | } |
| 162 | } |
| 163 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 164 | BufferItem* JNIImageReaderContext::getBufferItem() { |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 165 | if (mBuffers.empty()) { |
| 166 | return NULL; |
| 167 | } |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 168 | // Return a BufferItem pointer and remove it from the list |
| 169 | List<BufferItem*>::iterator it = mBuffers.begin(); |
| 170 | BufferItem* buffer = *it; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 171 | mBuffers.erase(it); |
| 172 | return buffer; |
| 173 | } |
| 174 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 175 | void JNIImageReaderContext::returnBufferItem(BufferItem* buffer) { |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 176 | mBuffers.push_back(buffer); |
| 177 | } |
| 178 | |
| 179 | JNIImageReaderContext::~JNIImageReaderContext() { |
| 180 | bool needsDetach = false; |
| 181 | JNIEnv* env = getJNIEnv(&needsDetach); |
| 182 | if (env != NULL) { |
| 183 | env->DeleteGlobalRef(mWeakThiz); |
| 184 | env->DeleteGlobalRef(mClazz); |
| 185 | } else { |
| 186 | ALOGW("leaking JNI object references"); |
| 187 | } |
| 188 | if (needsDetach) { |
| 189 | detachJNI(); |
| 190 | } |
| 191 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 192 | // Delete buffer items. |
| 193 | for (List<BufferItem *>::iterator it = mBuffers.begin(); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 194 | it != mBuffers.end(); it++) { |
| 195 | delete *it; |
| 196 | } |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 197 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 198 | if (mConsumer != 0) { |
| 199 | mConsumer.clear(); |
| 200 | } |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 201 | } |
| 202 | |
Dan Stoza | 2c34b5e | 2014-11-04 11:36:33 -0800 | [diff] [blame] | 203 | void JNIImageReaderContext::onFrameAvailable(const BufferItem& /*item*/) |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 204 | { |
| 205 | ALOGV("%s: frame available", __FUNCTION__); |
| 206 | bool needsDetach = false; |
| 207 | JNIEnv* env = getJNIEnv(&needsDetach); |
| 208 | if (env != NULL) { |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 209 | env->CallStaticVoidMethod(mClazz, gImageReaderClassInfo.postEventFromNative, mWeakThiz); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 210 | } else { |
| 211 | ALOGW("onFrameAvailable event will not posted"); |
| 212 | } |
| 213 | if (needsDetach) { |
| 214 | detachJNI(); |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | // ---------------------------------------------------------------------------- |
| 219 | |
| 220 | extern "C" { |
| 221 | |
| 222 | static JNIImageReaderContext* ImageReader_getContext(JNIEnv* env, jobject thiz) |
| 223 | { |
| 224 | JNIImageReaderContext *ctx; |
| 225 | ctx = reinterpret_cast<JNIImageReaderContext *> |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 226 | (env->GetLongField(thiz, gImageReaderClassInfo.mNativeContext)); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 227 | return ctx; |
| 228 | } |
| 229 | |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 230 | static IGraphicBufferProducer* ImageReader_getProducer(JNIEnv* env, jobject thiz) |
Mathias Agopian | 52a9a10 | 2013-08-02 01:38:38 -0700 | [diff] [blame] | 231 | { |
| 232 | ALOGV("%s:", __FUNCTION__); |
| 233 | JNIImageReaderContext* const ctx = ImageReader_getContext(env, thiz); |
| 234 | if (ctx == NULL) { |
| 235 | jniThrowRuntimeException(env, "ImageReaderContext is not initialized"); |
| 236 | return NULL; |
| 237 | } |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 238 | |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 239 | return ctx->getProducer(); |
Mathias Agopian | 52a9a10 | 2013-08-02 01:38:38 -0700 | [diff] [blame] | 240 | } |
| 241 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 242 | static void ImageReader_setNativeContext(JNIEnv* env, |
| 243 | jobject thiz, sp<JNIImageReaderContext> ctx) |
| 244 | { |
| 245 | ALOGV("%s:", __FUNCTION__); |
| 246 | JNIImageReaderContext* const p = ImageReader_getContext(env, thiz); |
| 247 | if (ctx != 0) { |
| 248 | ctx->incStrong((void*)ImageReader_setNativeContext); |
| 249 | } |
| 250 | if (p) { |
| 251 | p->decStrong((void*)ImageReader_setNativeContext); |
| 252 | } |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 253 | env->SetLongField(thiz, gImageReaderClassInfo.mNativeContext, |
| 254 | reinterpret_cast<jlong>(ctx.get())); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 255 | } |
| 256 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 257 | static BufferItemConsumer* ImageReader_getBufferConsumer(JNIEnv* env, jobject thiz) |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 258 | { |
| 259 | ALOGV("%s:", __FUNCTION__); |
| 260 | JNIImageReaderContext* const ctx = ImageReader_getContext(env, thiz); |
| 261 | if (ctx == NULL) { |
| 262 | jniThrowRuntimeException(env, "ImageReaderContext is not initialized"); |
| 263 | return NULL; |
| 264 | } |
| 265 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 266 | return ctx->getBufferConsumer(); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 267 | } |
| 268 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 269 | static void Image_setBufferItem(JNIEnv* env, jobject thiz, |
| 270 | const BufferItem* buffer) |
| 271 | { |
| 272 | env->SetLongField(thiz, gSurfaceImageClassInfo.mNativeBuffer, reinterpret_cast<jlong>(buffer)); |
| 273 | } |
| 274 | |
| 275 | static BufferItem* Image_getBufferItem(JNIEnv* env, jobject image) |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 276 | { |
| 277 | return reinterpret_cast<BufferItem*>( |
| 278 | env->GetLongField(image, gSurfaceImageClassInfo.mNativeBuffer)); |
| 279 | } |
| 280 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 281 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 282 | // ---------------------------------------------------------------------------- |
| 283 | |
| 284 | static void ImageReader_classInit(JNIEnv* env, jclass clazz) |
| 285 | { |
| 286 | ALOGV("%s:", __FUNCTION__); |
| 287 | |
| 288 | jclass imageClazz = env->FindClass("android/media/ImageReader$SurfaceImage"); |
| 289 | LOG_ALWAYS_FATAL_IF(imageClazz == NULL, |
| 290 | "can't find android/graphics/ImageReader$SurfaceImage"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 291 | gSurfaceImageClassInfo.mNativeBuffer = env->GetFieldID( |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 292 | imageClazz, ANDROID_MEDIA_SURFACEIMAGE_BUFFER_JNI_ID, "J"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 293 | LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mNativeBuffer == NULL, |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 294 | "can't find android/graphics/ImageReader.%s", |
| 295 | ANDROID_MEDIA_SURFACEIMAGE_BUFFER_JNI_ID); |
| 296 | |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 297 | gSurfaceImageClassInfo.mTimestamp = env->GetFieldID( |
| 298 | imageClazz, ANDROID_MEDIA_SURFACEIMAGE_TS_JNI_ID, "J"); |
| 299 | LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mTimestamp == NULL, |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 300 | "can't find android/graphics/ImageReader.%s", |
| 301 | ANDROID_MEDIA_SURFACEIMAGE_TS_JNI_ID); |
| 302 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 303 | gSurfaceImageClassInfo.mPlanes = env->GetFieldID( |
| 304 | imageClazz, "mPlanes", "[Landroid/media/ImageReader$SurfaceImage$SurfacePlane;"); |
| 305 | LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mPlanes == NULL, |
| 306 | "can't find android/media/ImageReader$ReaderSurfaceImage.mPlanes"); |
| 307 | |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 308 | gImageReaderClassInfo.mNativeContext = env->GetFieldID( |
| 309 | clazz, ANDROID_MEDIA_IMAGEREADER_CTX_JNI_ID, "J"); |
| 310 | LOG_ALWAYS_FATAL_IF(gImageReaderClassInfo.mNativeContext == NULL, |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 311 | "can't find android/graphics/ImageReader.%s", |
| 312 | ANDROID_MEDIA_IMAGEREADER_CTX_JNI_ID); |
| 313 | |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 314 | gImageReaderClassInfo.postEventFromNative = env->GetStaticMethodID( |
| 315 | clazz, "postEventFromNative", "(Ljava/lang/Object;)V"); |
| 316 | LOG_ALWAYS_FATAL_IF(gImageReaderClassInfo.postEventFromNative == NULL, |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 317 | "can't find android/graphics/ImageReader.postEventFromNative"); |
| 318 | |
| 319 | jclass planeClazz = env->FindClass("android/media/ImageReader$SurfaceImage$SurfacePlane"); |
| 320 | LOG_ALWAYS_FATAL_IF(planeClazz == NULL, "Can not find SurfacePlane class"); |
| 321 | // FindClass only gives a local reference of jclass object. |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 322 | gSurfacePlaneClassInfo.clazz = (jclass) env->NewGlobalRef(planeClazz); |
| 323 | gSurfacePlaneClassInfo.ctor = env->GetMethodID(gSurfacePlaneClassInfo.clazz, "<init>", |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 324 | "(Landroid/media/ImageReader$SurfaceImage;IILjava/nio/ByteBuffer;)V"); |
Jeff Brown | ef96121 | 2013-08-05 20:39:29 -0700 | [diff] [blame] | 325 | LOG_ALWAYS_FATAL_IF(gSurfacePlaneClassInfo.ctor == NULL, |
| 326 | "Can not find SurfacePlane constructor"); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | static void ImageReader_init(JNIEnv* env, jobject thiz, jobject weakThiz, |
| 330 | jint width, jint height, jint format, jint maxImages) |
| 331 | { |
| 332 | status_t res; |
| 333 | int nativeFormat; |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 334 | android_dataspace nativeDataspace; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 335 | |
| 336 | ALOGV("%s: width:%d, height: %d, format: 0x%x, maxImages:%d", |
| 337 | __FUNCTION__, width, height, format, maxImages); |
| 338 | |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 339 | PublicFormat publicFormat = static_cast<PublicFormat>(format); |
| 340 | nativeFormat = android_view_Surface_mapPublicFormatToHalFormat( |
| 341 | publicFormat); |
| 342 | nativeDataspace = android_view_Surface_mapPublicFormatToHalDataspace( |
| 343 | publicFormat); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 344 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 345 | jclass clazz = env->GetObjectClass(thiz); |
| 346 | if (clazz == NULL) { |
| 347 | jniThrowRuntimeException(env, "Can't find android/graphics/ImageReader"); |
| 348 | return; |
| 349 | } |
| 350 | sp<JNIImageReaderContext> ctx(new JNIImageReaderContext(env, weakThiz, clazz, maxImages)); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 351 | |
| 352 | sp<IGraphicBufferProducer> gbProducer; |
| 353 | sp<IGraphicBufferConsumer> gbConsumer; |
| 354 | BufferQueue::createBufferQueue(&gbProducer, &gbConsumer); |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 355 | sp<BufferItemConsumer> bufferConsumer; |
Eino-Ville Talvala | ef9db7d | 2015-06-09 14:15:15 -0700 | [diff] [blame] | 356 | String8 consumerName = String8::format("ImageReader-%dx%df%xm%d-%d-%d", |
| 357 | width, height, format, maxImages, getpid(), |
| 358 | createProcessUniqueId()); |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 359 | uint32_t consumerUsage = GRALLOC_USAGE_SW_READ_OFTEN; |
| 360 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 361 | if (isFormatOpaque(nativeFormat)) { |
| 362 | // Use the SW_READ_NEVER usage to tell producer that this format is not for preview or video |
| 363 | // encoding. The only possibility will be ZSL output. |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 364 | consumerUsage = GRALLOC_USAGE_SW_READ_NEVER; |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 365 | } |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 366 | bufferConsumer = new BufferItemConsumer(gbConsumer, consumerUsage, maxImages, |
| 367 | /*controlledByApp*/true); |
| 368 | if (bufferConsumer == nullptr) { |
| 369 | jniThrowExceptionFmt(env, "java/lang/RuntimeException", |
| 370 | "Failed to allocate native buffer consumer for format 0x%x", nativeFormat); |
| 371 | return; |
| 372 | } |
| 373 | ctx->setBufferConsumer(bufferConsumer); |
| 374 | bufferConsumer->setName(consumerName); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 375 | |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 376 | ctx->setProducer(gbProducer); |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 377 | bufferConsumer->setFrameAvailableListener(ctx); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 378 | ImageReader_setNativeContext(env, thiz, ctx); |
| 379 | ctx->setBufferFormat(nativeFormat); |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 380 | ctx->setBufferDataspace(nativeDataspace); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 381 | ctx->setBufferWidth(width); |
| 382 | ctx->setBufferHeight(height); |
| 383 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 384 | // Set the width/height/format/dataspace to the bufferConsumer. |
| 385 | res = bufferConsumer->setDefaultBufferSize(width, height); |
| 386 | if (res != OK) { |
| 387 | jniThrowExceptionFmt(env, "java/lang/IllegalStateException", |
| 388 | "Failed to set buffer consumer default size (%dx%d) for format 0x%x", |
| 389 | width, height, nativeFormat); |
| 390 | return; |
| 391 | } |
| 392 | res = bufferConsumer->setDefaultBufferFormat(nativeFormat); |
| 393 | if (res != OK) { |
| 394 | jniThrowExceptionFmt(env, "java/lang/IllegalStateException", |
| 395 | "Failed to set buffer consumer default format 0x%x", nativeFormat); |
| 396 | } |
| 397 | res = bufferConsumer->setDefaultBufferDataSpace(nativeDataspace); |
| 398 | if (res != OK) { |
| 399 | jniThrowExceptionFmt(env, "java/lang/IllegalStateException", |
| 400 | "Failed to set buffer consumer default dataSpace 0x%x", nativeDataspace); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 401 | } |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | static void ImageReader_close(JNIEnv* env, jobject thiz) |
| 405 | { |
| 406 | ALOGV("%s:", __FUNCTION__); |
| 407 | |
| 408 | JNIImageReaderContext* const ctx = ImageReader_getContext(env, thiz); |
| 409 | if (ctx == NULL) { |
| 410 | // ImageReader is already closed. |
| 411 | return; |
| 412 | } |
| 413 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 414 | BufferItemConsumer* consumer = NULL; |
| 415 | consumer = ImageReader_getBufferConsumer(env, thiz); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 416 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 417 | if (consumer != NULL) { |
| 418 | consumer->abandon(); |
| 419 | consumer->setFrameAvailableListener(NULL); |
| 420 | } |
| 421 | ImageReader_setNativeContext(env, thiz, NULL); |
| 422 | } |
| 423 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 424 | static sp<Fence> Image_unlockIfLocked(JNIEnv* env, jobject image) { |
| 425 | ALOGV("%s", __FUNCTION__); |
| 426 | BufferItem* buffer = Image_getBufferItem(env, image); |
| 427 | if (buffer == NULL) { |
| 428 | jniThrowException(env, "java/lang/IllegalStateException", |
| 429 | "Image is not initialized"); |
| 430 | return Fence::NO_FENCE; |
| 431 | } |
| 432 | |
| 433 | // Is locked? |
| 434 | bool wasBufferLocked = false; |
| 435 | jobject planes = NULL; |
| 436 | if (!isFormatOpaque(buffer->mGraphicBuffer->getPixelFormat())) { |
| 437 | planes = env->GetObjectField(image, gSurfaceImageClassInfo.mPlanes); |
| 438 | } |
| 439 | wasBufferLocked = (planes != NULL); |
| 440 | if (wasBufferLocked) { |
| 441 | status_t res = OK; |
| 442 | int fenceFd = -1; |
| 443 | if (wasBufferLocked) { |
| 444 | res = buffer->mGraphicBuffer->unlockAsync(&fenceFd); |
| 445 | if (res != OK) { |
| 446 | jniThrowRuntimeException(env, "unlock buffer failed"); |
| 447 | return Fence::NO_FENCE; |
| 448 | } |
| 449 | } |
| 450 | sp<Fence> releaseFence = new Fence(fenceFd); |
| 451 | return releaseFence; |
| 452 | ALOGV("Successfully unlocked the image"); |
| 453 | } |
| 454 | return Fence::NO_FENCE; |
| 455 | } |
| 456 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 457 | static void ImageReader_imageRelease(JNIEnv* env, jobject thiz, jobject image) |
| 458 | { |
| 459 | ALOGV("%s:", __FUNCTION__); |
| 460 | JNIImageReaderContext* ctx = ImageReader_getContext(env, thiz); |
| 461 | if (ctx == NULL) { |
| 462 | ALOGW("ImageReader#close called before Image#close, consider calling Image#close first"); |
| 463 | return; |
| 464 | } |
| 465 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 466 | BufferItemConsumer* bufferConsumer = ctx->getBufferConsumer(); |
| 467 | BufferItem* buffer = Image_getBufferItem(env, image); |
| 468 | if (buffer == nullptr) { |
| 469 | // Release an already closed image is harmless. |
| 470 | return; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 471 | } |
| 472 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 473 | sp<Fence> releaseFence = Image_unlockIfLocked(env, image); |
| 474 | bufferConsumer->releaseBuffer(*buffer, releaseFence); |
| 475 | Image_setBufferItem(env, image, NULL); |
| 476 | ctx->returnBufferItem(buffer); |
| 477 | ALOGV("%s: Image (format: 0x%x) has been released", __FUNCTION__, ctx->getBufferFormat()); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 478 | } |
| 479 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 480 | static jint ImageReader_imageSetup(JNIEnv* env, jobject thiz, jobject image) { |
| 481 | ALOGV("%s:", __FUNCTION__); |
| 482 | JNIImageReaderContext* ctx = ImageReader_getContext(env, thiz); |
| 483 | if (ctx == NULL) { |
Zhijun He | dc6bb24 | 2015-12-03 15:34:34 -0800 | [diff] [blame] | 484 | jniThrowException(env, "java/lang/IllegalStateException", |
| 485 | "ImageReader is not initialized or was already closed"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 486 | return -1; |
| 487 | } |
| 488 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 489 | BufferItemConsumer* bufferConsumer = ctx->getBufferConsumer(); |
| 490 | BufferItem* buffer = ctx->getBufferItem(); |
| 491 | if (buffer == NULL) { |
| 492 | ALOGW("Unable to acquire a buffer item, very likely client tried to acquire more than" |
| 493 | " maxImages buffers"); |
| 494 | return ACQUIRE_MAX_IMAGES; |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 495 | } |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 496 | |
| 497 | status_t res = bufferConsumer->acquireBuffer(buffer, 0); |
| 498 | if (res != OK) { |
| 499 | ctx->returnBufferItem(buffer); |
| 500 | if (res != BufferQueue::NO_BUFFER_AVAILABLE) { |
| 501 | if (res == INVALID_OPERATION) { |
| 502 | // Max number of images were already acquired. |
| 503 | ALOGE("%s: Max number of buffers allowed are already acquired : %s (%d)", |
| 504 | __FUNCTION__, strerror(-res), res); |
| 505 | return ACQUIRE_MAX_IMAGES; |
| 506 | } else { |
| 507 | ALOGE("%s: Acquire image failed with some unknown error: %s (%d)", |
| 508 | __FUNCTION__, strerror(-res), res); |
| 509 | jniThrowExceptionFmt(env, "java/lang/IllegalStateException", |
| 510 | "Unknown error (%d) when we tried to acquire an image.", |
| 511 | res); |
| 512 | return ACQUIRE_NO_BUFFERS; |
| 513 | } |
| 514 | } |
| 515 | // This isn't really an error case, as the application may acquire buffer at any time. |
| 516 | return ACQUIRE_NO_BUFFERS; |
| 517 | } |
| 518 | |
| 519 | // Add some extra checks for non-opaque formats. |
| 520 | if (!isFormatOpaque(ctx->getBufferFormat())) { |
| 521 | // Check if the left-top corner of the crop rect is origin, we currently assume this point is |
| 522 | // zero, will revisit this once this assumption turns out problematic. |
| 523 | Point lt = buffer->mCrop.leftTop(); |
| 524 | if (lt.x != 0 || lt.y != 0) { |
| 525 | jniThrowExceptionFmt(env, "java/lang/UnsupportedOperationException", |
| 526 | "crop left top corner [%d, %d] need to be at origin", lt.x, lt.y); |
| 527 | return -1; |
| 528 | } |
| 529 | |
| 530 | // Check if the producer buffer configurations match what ImageReader configured. |
| 531 | int outputWidth = getBufferWidth(buffer); |
| 532 | int outputHeight = getBufferHeight(buffer); |
| 533 | |
| 534 | int imgReaderFmt = ctx->getBufferFormat(); |
| 535 | int imageReaderWidth = ctx->getBufferWidth(); |
| 536 | int imageReaderHeight = ctx->getBufferHeight(); |
| 537 | int bufferFormat = buffer->mGraphicBuffer->getPixelFormat(); |
| 538 | if ((bufferFormat != HAL_PIXEL_FORMAT_BLOB) && (imgReaderFmt != HAL_PIXEL_FORMAT_BLOB) && |
| 539 | (imageReaderWidth != outputWidth || imageReaderHeight != outputHeight)) { |
| 540 | ALOGV("%s: Producer buffer size: %dx%d, doesn't match ImageReader configured size: %dx%d", |
| 541 | __FUNCTION__, outputWidth, outputHeight, imageReaderWidth, imageReaderHeight); |
| 542 | } |
| 543 | if (imgReaderFmt != bufferFormat) { |
| 544 | if (imgReaderFmt == HAL_PIXEL_FORMAT_YCbCr_420_888 && |
| 545 | isPossiblyYUV(bufferFormat)) { |
| 546 | // Treat formats that are compatible with flexible YUV |
| 547 | // (HAL_PIXEL_FORMAT_YCbCr_420_888) as HAL_PIXEL_FORMAT_YCbCr_420_888. |
| 548 | ALOGV("%s: Treat buffer format to 0x%x as HAL_PIXEL_FORMAT_YCbCr_420_888", |
| 549 | __FUNCTION__, bufferFormat); |
| 550 | } else if (imgReaderFmt == HAL_PIXEL_FORMAT_BLOB && |
| 551 | bufferFormat == HAL_PIXEL_FORMAT_RGBA_8888) { |
| 552 | // Using HAL_PIXEL_FORMAT_RGBA_8888 Gralloc buffers containing JPEGs to get around |
| 553 | // SW write limitations for (b/17379185). |
| 554 | ALOGV("%s: Receiving JPEG in HAL_PIXEL_FORMAT_RGBA_8888 buffer.", __FUNCTION__); |
| 555 | } else { |
| 556 | // Return the buffer to the queue. No need to provide fence, as this buffer wasn't |
| 557 | // used anywhere yet. |
| 558 | bufferConsumer->releaseBuffer(*buffer); |
| 559 | ctx->returnBufferItem(buffer); |
| 560 | |
| 561 | // Throw exception |
| 562 | ALOGE("Producer output buffer format: 0x%x, ImageReader configured format: 0x%x", |
| 563 | bufferFormat, ctx->getBufferFormat()); |
| 564 | String8 msg; |
| 565 | msg.appendFormat("The producer output buffer format 0x%x doesn't " |
| 566 | "match the ImageReader's configured buffer format 0x%x.", |
| 567 | bufferFormat, ctx->getBufferFormat()); |
| 568 | jniThrowException(env, "java/lang/UnsupportedOperationException", |
| 569 | msg.string()); |
| 570 | return -1; |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | } |
| 575 | |
| 576 | // Set SurfaceImage instance member variables |
| 577 | Image_setBufferItem(env, image, buffer); |
| 578 | env->SetLongField(image, gSurfaceImageClassInfo.mTimestamp, |
| 579 | static_cast<jlong>(buffer->mTimestamp)); |
| 580 | |
| 581 | return ACQUIRE_SUCCESS; |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | static jint ImageReader_detachImage(JNIEnv* env, jobject thiz, jobject image) { |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 585 | ALOGV("%s:", __FUNCTION__); |
| 586 | JNIImageReaderContext* ctx = ImageReader_getContext(env, thiz); |
| 587 | if (ctx == NULL) { |
| 588 | jniThrowException(env, "java/lang/IllegalStateException", "ImageReader was already closed"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 589 | return -1; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 590 | } |
| 591 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 592 | BufferItemConsumer* bufferConsumer = ctx->getBufferConsumer(); |
| 593 | BufferItem* buffer = Image_getBufferItem(env, image); |
| 594 | if (!buffer) { |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 595 | ALOGE( |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 596 | "Image already released and can not be detached from ImageReader!!!"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 597 | jniThrowException(env, "java/lang/IllegalStateException", |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 598 | "Image detach from ImageReader failed: buffer was already released"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 599 | return -1; |
| 600 | } |
| 601 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 602 | status_t res = OK; |
| 603 | Image_unlockIfLocked(env, image); |
| 604 | res = bufferConsumer->detachBuffer(buffer->mSlot); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 605 | if (res != OK) { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 606 | ALOGE("Image detach failed: %s (%d)!!!", strerror(-res), res); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 607 | jniThrowRuntimeException(env, |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 608 | "nativeDetachImage failed for image!!!"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 609 | return res; |
| 610 | } |
| 611 | return OK; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 612 | } |
| 613 | |
Eino-Ville Talvala | 2e2aaf6 | 2016-07-21 17:04:19 -0700 | [diff] [blame^] | 614 | static void ImageReader_discardFreeBuffers(JNIEnv* env, jobject thiz) { |
| 615 | ALOGV("%s:", __FUNCTION__); |
| 616 | JNIImageReaderContext* ctx = ImageReader_getContext(env, thiz); |
| 617 | if (ctx == NULL) { |
| 618 | jniThrowException(env, "java/lang/IllegalStateException", "ImageReader was already closed"); |
| 619 | return; |
| 620 | } |
| 621 | |
| 622 | BufferItemConsumer* bufferConsumer = ctx->getBufferConsumer(); |
| 623 | status_t res = bufferConsumer->discardFreeBuffers(); |
| 624 | if (res != OK) { |
| 625 | ALOGE("Buffer discard failed: %s (%d)", strerror(-res), res); |
| 626 | jniThrowRuntimeException(env, |
| 627 | "nativeDicardFreebuffers failed"); |
| 628 | } |
| 629 | } |
| 630 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 631 | static jobject ImageReader_getSurface(JNIEnv* env, jobject thiz) |
| 632 | { |
| 633 | ALOGV("%s: ", __FUNCTION__); |
| 634 | |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 635 | IGraphicBufferProducer* gbp = ImageReader_getProducer(env, thiz); |
| 636 | if (gbp == NULL) { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 637 | jniThrowRuntimeException(env, "Buffer consumer is uninitialized"); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 638 | return NULL; |
| 639 | } |
| 640 | |
| 641 | // Wrap the IGBP in a Java-language Surface. |
Dan Stoza | 5b3c7c1 | 2014-03-12 16:44:45 -0700 | [diff] [blame] | 642 | return android_view_Surface_createFromIGraphicBufferProducer(env, gbp); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 643 | } |
| 644 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 645 | static void Image_getLockedImage(JNIEnv* env, jobject thiz, LockedImage *image) { |
| 646 | ALOGV("%s", __FUNCTION__); |
| 647 | BufferItem* buffer = Image_getBufferItem(env, thiz); |
| 648 | if (buffer == NULL) { |
| 649 | jniThrowException(env, "java/lang/IllegalStateException", |
| 650 | "Image is not initialized"); |
| 651 | return; |
| 652 | } |
| 653 | |
| 654 | status_t res = lockImageFromBuffer(buffer, |
| 655 | GRALLOC_USAGE_SW_READ_OFTEN, buffer->mFence->dup(), image); |
| 656 | if (res != OK) { |
| 657 | jniThrowExceptionFmt(env, "java/lang/RuntimeException", |
| 658 | "lock buffer failed for format 0x%x", |
| 659 | buffer->mGraphicBuffer->getPixelFormat()); |
| 660 | return; |
| 661 | } |
| 662 | |
| 663 | // Carry over some fields from BufferItem. |
| 664 | image->crop = buffer->mCrop; |
| 665 | image->transform = buffer->mTransform; |
| 666 | image->scalingMode = buffer->mScalingMode; |
| 667 | image->timestamp = buffer->mTimestamp; |
| 668 | image->dataSpace = buffer->mDataSpace; |
| 669 | image->frameNumber = buffer->mFrameNumber; |
| 670 | |
| 671 | ALOGV("%s: Successfully locked the image", __FUNCTION__); |
| 672 | // crop, transform, scalingMode, timestamp, and frameNumber should be set by producer, |
| 673 | // and we don't set them here. |
| 674 | } |
| 675 | |
| 676 | static void Image_getLockedImageInfo(JNIEnv* env, LockedImage* buffer, int idx, |
| 677 | int32_t writerFormat, uint8_t **base, uint32_t *size, int *pixelStride, int *rowStride) { |
| 678 | ALOGV("%s", __FUNCTION__); |
| 679 | |
| 680 | status_t res = getLockedImageInfo(buffer, idx, writerFormat, base, size, |
| 681 | pixelStride, rowStride); |
| 682 | if (res != OK) { |
| 683 | jniThrowExceptionFmt(env, "java/lang/UnsupportedOperationException", |
| 684 | "Pixel format: 0x%x is unsupported", buffer->flexFormat); |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | static jobjectArray Image_createSurfacePlanes(JNIEnv* env, jobject thiz, |
| 689 | int numPlanes, int readerFormat) |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 690 | { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 691 | ALOGV("%s: create SurfacePlane array with size %d", __FUNCTION__, numPlanes); |
| 692 | int rowStride = 0; |
| 693 | int pixelStride = 0; |
| 694 | uint8_t *pData = NULL; |
| 695 | uint32_t dataSize = 0; |
| 696 | jobject byteBuffer = NULL; |
| 697 | |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 698 | PublicFormat publicReaderFormat = static_cast<PublicFormat>(readerFormat); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 699 | int halReaderFormat = android_view_Surface_mapPublicFormatToHalFormat( |
| 700 | publicReaderFormat); |
Eino-Ville Talvala | 805f3c9 | 2015-02-26 10:57:55 -0800 | [diff] [blame] | 701 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 702 | if (isFormatOpaque(halReaderFormat) && numPlanes > 0) { |
| 703 | String8 msg; |
| 704 | msg.appendFormat("Format 0x%x is opaque, thus not writable, the number of planes (%d)" |
| 705 | " must be 0", halReaderFormat, numPlanes); |
| 706 | jniThrowException(env, "java/lang/IllegalArgumentException", msg.string()); |
| 707 | return NULL; |
| 708 | } |
| 709 | |
| 710 | jobjectArray surfacePlanes = env->NewObjectArray(numPlanes, gSurfacePlaneClassInfo.clazz, |
| 711 | /*initial_element*/NULL); |
| 712 | if (surfacePlanes == NULL) { |
| 713 | jniThrowRuntimeException(env, "Failed to create SurfacePlane arrays," |
| 714 | " probably out of memory"); |
| 715 | return NULL; |
| 716 | } |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 717 | if (isFormatOpaque(halReaderFormat)) { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 718 | // Return 0 element surface array. |
| 719 | return surfacePlanes; |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 720 | } |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 721 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 722 | LockedImage lockedImg = LockedImage(); |
| 723 | Image_getLockedImage(env, thiz, &lockedImg); |
| 724 | // Create all SurfacePlanes |
| 725 | for (int i = 0; i < numPlanes; i++) { |
| 726 | Image_getLockedImageInfo(env, &lockedImg, i, halReaderFormat, |
| 727 | &pData, &dataSize, &pixelStride, &rowStride); |
| 728 | byteBuffer = env->NewDirectByteBuffer(pData, dataSize); |
| 729 | if ((byteBuffer == NULL) && (env->ExceptionCheck() == false)) { |
| 730 | jniThrowException(env, "java/lang/IllegalStateException", |
| 731 | "Failed to allocate ByteBuffer"); |
| 732 | return NULL; |
| 733 | } |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 734 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 735 | // Finally, create this SurfacePlane. |
| 736 | jobject surfacePlane = env->NewObject(gSurfacePlaneClassInfo.clazz, |
| 737 | gSurfacePlaneClassInfo.ctor, thiz, rowStride, pixelStride, byteBuffer); |
| 738 | env->SetObjectArrayElement(surfacePlanes, i, surfacePlane); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 739 | } |
Ruben Brunk | 0fd198a | 2014-09-23 23:35:43 -0700 | [diff] [blame] | 740 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 741 | return surfacePlanes; |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 742 | } |
| 743 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 744 | static jint Image_getWidth(JNIEnv* env, jobject thiz) |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 745 | { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 746 | BufferItem* buffer = Image_getBufferItem(env, thiz); |
| 747 | return getBufferWidth(buffer); |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 748 | } |
| 749 | |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 750 | static jint Image_getHeight(JNIEnv* env, jobject thiz) |
Ruben Brunk | f4a637d | 2014-11-20 18:01:36 -0800 | [diff] [blame] | 751 | { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 752 | BufferItem* buffer = Image_getBufferItem(env, thiz); |
| 753 | return getBufferHeight(buffer); |
Ruben Brunk | f4a637d | 2014-11-20 18:01:36 -0800 | [diff] [blame] | 754 | } |
| 755 | |
Zhijun He | 7c3997d | 2015-05-06 10:08:37 -0700 | [diff] [blame] | 756 | static jint Image_getFormat(JNIEnv* env, jobject thiz, jint readerFormat) |
| 757 | { |
| 758 | if (isFormatOpaque(readerFormat)) { |
| 759 | // Assuming opaque reader produce opaque images. |
| 760 | return static_cast<jint>(PublicFormat::PRIVATE); |
| 761 | } else { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 762 | BufferItem* buffer = Image_getBufferItem(env, thiz); |
Chien-Yu Chen | 0782aab | 2015-06-11 16:48:13 -0700 | [diff] [blame] | 763 | int readerHalFormat = android_view_Surface_mapPublicFormatToHalFormat( |
| 764 | static_cast<PublicFormat>(readerFormat)); |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 765 | int32_t fmt = applyFormatOverrides( |
| 766 | buffer->mGraphicBuffer->getPixelFormat(), readerHalFormat); |
Zhijun He | 9cc3f88 | 2016-02-17 17:24:04 -0800 | [diff] [blame] | 767 | // Override the image format to HAL_PIXEL_FORMAT_YCbCr_420_888 if the actual format is |
| 768 | // NV21 or YV12. This could only happen when the Gralloc HAL version is v0.1 thus doesn't |
| 769 | // support lockycbcr(), the CpuConsumer need to use the lock() method in the |
| 770 | // lockNextBuffer() call. For Gralloc HAL v0.2 or newer, this format should already be |
| 771 | // overridden to HAL_PIXEL_FORMAT_YCbCr_420_888 for the flexible YUV compatible formats. |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 772 | if (isPossiblyYUV(fmt)) { |
Zhijun He | 9cc3f88 | 2016-02-17 17:24:04 -0800 | [diff] [blame] | 773 | fmt = HAL_PIXEL_FORMAT_YCbCr_420_888; |
| 774 | } |
Zhijun He | 7c3997d | 2015-05-06 10:08:37 -0700 | [diff] [blame] | 775 | PublicFormat publicFmt = android_view_Surface_mapHalFormatDataspaceToPublicFormat( |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 776 | fmt, buffer->mDataSpace); |
Zhijun He | 7c3997d | 2015-05-06 10:08:37 -0700 | [diff] [blame] | 777 | return static_cast<jint>(publicFmt); |
| 778 | } |
| 779 | } |
| 780 | |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 781 | } // extern "C" |
| 782 | |
| 783 | // ---------------------------------------------------------------------------- |
| 784 | |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 785 | static const JNINativeMethod gImageReaderMethods[] = { |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 786 | {"nativeClassInit", "()V", (void*)ImageReader_classInit }, |
| 787 | {"nativeInit", "(Ljava/lang/Object;IIII)V", (void*)ImageReader_init }, |
| 788 | {"nativeClose", "()V", (void*)ImageReader_close }, |
| 789 | {"nativeReleaseImage", "(Landroid/media/Image;)V", (void*)ImageReader_imageRelease }, |
Ruben Brunk | f4a637d | 2014-11-20 18:01:36 -0800 | [diff] [blame] | 790 | {"nativeImageSetup", "(Landroid/media/Image;)I", (void*)ImageReader_imageSetup }, |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 791 | {"nativeGetSurface", "()Landroid/view/Surface;", (void*)ImageReader_getSurface }, |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 792 | {"nativeDetachImage", "(Landroid/media/Image;)I", (void*)ImageReader_detachImage }, |
Eino-Ville Talvala | 2e2aaf6 | 2016-07-21 17:04:19 -0700 | [diff] [blame^] | 793 | {"nativeDiscardFreeBuffers", "()V", (void*)ImageReader_discardFreeBuffers } |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 794 | }; |
| 795 | |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 796 | static const JNINativeMethod gImageMethods[] = { |
Zhijun He | 0ab4162 | 2016-02-25 16:00:38 -0800 | [diff] [blame] | 797 | {"nativeCreatePlanes", "(II)[Landroid/media/ImageReader$SurfaceImage$SurfacePlane;", |
| 798 | (void*)Image_createSurfacePlanes }, |
| 799 | {"nativeGetWidth", "()I", (void*)Image_getWidth }, |
| 800 | {"nativeGetHeight", "()I", (void*)Image_getHeight }, |
Zhijun He | 7c3997d | 2015-05-06 10:08:37 -0700 | [diff] [blame] | 801 | {"nativeGetFormat", "(I)I", (void*)Image_getFormat }, |
Zhijun He | 212e78d | 2013-06-07 11:36:23 -0700 | [diff] [blame] | 802 | }; |
| 803 | |
| 804 | int register_android_media_ImageReader(JNIEnv *env) { |
| 805 | |
| 806 | int ret1 = AndroidRuntime::registerNativeMethods(env, |
| 807 | "android/media/ImageReader", gImageReaderMethods, NELEM(gImageReaderMethods)); |
| 808 | |
| 809 | int ret2 = AndroidRuntime::registerNativeMethods(env, |
| 810 | "android/media/ImageReader$SurfaceImage", gImageMethods, NELEM(gImageMethods)); |
| 811 | |
| 812 | return (ret1 || ret2); |
| 813 | } |