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