Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 "ImageWriter_JNI" |
| 19 | #include <utils/Log.h> |
| 20 | #include <utils/String8.h> |
| 21 | |
| 22 | #include <gui/IProducerListener.h> |
| 23 | #include <gui/Surface.h> |
| 24 | #include <gui/CpuConsumer.h> |
| 25 | #include <android_runtime/AndroidRuntime.h> |
| 26 | #include <android_runtime/android_view_Surface.h> |
| 27 | #include <camera3.h> |
| 28 | |
| 29 | #include <jni.h> |
| 30 | #include <JNIHelp.h> |
| 31 | |
| 32 | #include <stdint.h> |
| 33 | #include <inttypes.h> |
| 34 | |
| 35 | #define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) ) |
| 36 | |
| 37 | #define IMAGE_BUFFER_JNI_ID "mNativeBuffer" |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | |
| 41 | using namespace android; |
| 42 | |
| 43 | enum { |
| 44 | IMAGE_WRITER_MAX_NUM_PLANES = 3, |
| 45 | }; |
| 46 | |
| 47 | static struct { |
| 48 | jmethodID postEventFromNative; |
| 49 | jfieldID mWriterFormat; |
| 50 | } gImageWriterClassInfo; |
| 51 | |
| 52 | static struct { |
| 53 | jfieldID mNativeBuffer; |
| 54 | jfieldID mNativeFenceFd; |
| 55 | jfieldID mPlanes; |
| 56 | } gSurfaceImageClassInfo; |
| 57 | |
| 58 | static struct { |
| 59 | jclass clazz; |
| 60 | jmethodID ctor; |
| 61 | } gSurfacePlaneClassInfo; |
| 62 | |
| 63 | typedef CpuConsumer::LockedBuffer LockedImage; |
| 64 | |
| 65 | // ---------------------------------------------------------------------------- |
| 66 | |
| 67 | class JNIImageWriterContext : public BnProducerListener { |
| 68 | public: |
| 69 | JNIImageWriterContext(JNIEnv* env, jobject weakThiz, jclass clazz); |
| 70 | |
| 71 | virtual ~JNIImageWriterContext(); |
| 72 | |
| 73 | // Implementation of IProducerListener, used to notify the ImageWriter that the consumer |
| 74 | // has returned a buffer and it is ready for ImageWriter to dequeue. |
| 75 | virtual void onBufferReleased(); |
| 76 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 77 | void setProducer(const sp<Surface>& producer) { mProducer = producer; } |
| 78 | Surface* getProducer() { return mProducer.get(); } |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 79 | |
| 80 | void setBufferFormat(int format) { mFormat = format; } |
| 81 | int getBufferFormat() { return mFormat; } |
| 82 | |
| 83 | void setBufferWidth(int width) { mWidth = width; } |
| 84 | int getBufferWidth() { return mWidth; } |
| 85 | |
| 86 | void setBufferHeight(int height) { mHeight = height; } |
| 87 | int getBufferHeight() { return mHeight; } |
| 88 | |
| 89 | private: |
| 90 | static JNIEnv* getJNIEnv(bool* needsDetach); |
| 91 | static void detachJNI(); |
| 92 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 93 | sp<Surface> mProducer; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 94 | jobject mWeakThiz; |
| 95 | jclass mClazz; |
| 96 | int mFormat; |
| 97 | int mWidth; |
| 98 | int mHeight; |
| 99 | }; |
| 100 | |
| 101 | JNIImageWriterContext::JNIImageWriterContext(JNIEnv* env, jobject weakThiz, jclass clazz) : |
| 102 | mWeakThiz(env->NewGlobalRef(weakThiz)), |
| 103 | mClazz((jclass)env->NewGlobalRef(clazz)), |
| 104 | mFormat(0), |
| 105 | mWidth(-1), |
| 106 | mHeight(-1) { |
| 107 | } |
| 108 | |
| 109 | JNIImageWriterContext::~JNIImageWriterContext() { |
| 110 | ALOGV("%s", __FUNCTION__); |
| 111 | bool needsDetach = false; |
| 112 | JNIEnv* env = getJNIEnv(&needsDetach); |
| 113 | if (env != NULL) { |
| 114 | env->DeleteGlobalRef(mWeakThiz); |
| 115 | env->DeleteGlobalRef(mClazz); |
| 116 | } else { |
| 117 | ALOGW("leaking JNI object references"); |
| 118 | } |
| 119 | if (needsDetach) { |
| 120 | detachJNI(); |
| 121 | } |
| 122 | |
| 123 | mProducer.clear(); |
| 124 | } |
| 125 | |
| 126 | JNIEnv* JNIImageWriterContext::getJNIEnv(bool* needsDetach) { |
| 127 | ALOGV("%s", __FUNCTION__); |
| 128 | LOG_ALWAYS_FATAL_IF(needsDetach == NULL, "needsDetach is null!!!"); |
| 129 | *needsDetach = false; |
| 130 | JNIEnv* env = AndroidRuntime::getJNIEnv(); |
| 131 | if (env == NULL) { |
| 132 | JavaVMAttachArgs args = {JNI_VERSION_1_4, NULL, NULL}; |
| 133 | JavaVM* vm = AndroidRuntime::getJavaVM(); |
| 134 | int result = vm->AttachCurrentThread(&env, (void*) &args); |
| 135 | if (result != JNI_OK) { |
| 136 | ALOGE("thread attach failed: %#x", result); |
| 137 | return NULL; |
| 138 | } |
| 139 | *needsDetach = true; |
| 140 | } |
| 141 | return env; |
| 142 | } |
| 143 | |
| 144 | void JNIImageWriterContext::detachJNI() { |
| 145 | ALOGV("%s", __FUNCTION__); |
| 146 | JavaVM* vm = AndroidRuntime::getJavaVM(); |
| 147 | int result = vm->DetachCurrentThread(); |
| 148 | if (result != JNI_OK) { |
| 149 | ALOGE("thread detach failed: %#x", result); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | void JNIImageWriterContext::onBufferReleased() { |
| 154 | ALOGV("%s: buffer released", __FUNCTION__); |
| 155 | bool needsDetach = false; |
| 156 | JNIEnv* env = getJNIEnv(&needsDetach); |
| 157 | if (env != NULL) { |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 158 | // Detach the buffer every time when a buffer consumption is done, |
| 159 | // need let this callback give a BufferItem, then only detach if it was attached to this |
| 160 | // Writer. Do the detach unconditionally for opaque format now. see b/19977520 |
| 161 | if (mFormat == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { |
| 162 | sp<Fence> fence; |
| 163 | ANativeWindowBuffer* buffer; |
| 164 | ALOGV("%s: One buffer is detached", __FUNCTION__); |
| 165 | mProducer->detachNextBuffer(&buffer, &fence); |
| 166 | } |
| 167 | |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 168 | env->CallStaticVoidMethod(mClazz, gImageWriterClassInfo.postEventFromNative, mWeakThiz); |
| 169 | } else { |
| 170 | ALOGW("onBufferReleased event will not posted"); |
| 171 | } |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 172 | |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 173 | if (needsDetach) { |
| 174 | detachJNI(); |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | // ---------------------------------------------------------------------------- |
| 179 | |
| 180 | extern "C" { |
| 181 | |
| 182 | // -------------------------------Private method declarations-------------- |
| 183 | |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 184 | static bool isPossiblyYUV(PixelFormat format); |
| 185 | static void Image_setNativeContext(JNIEnv* env, jobject thiz, |
| 186 | sp<GraphicBuffer> buffer, int fenceFd); |
| 187 | static void Image_getNativeContext(JNIEnv* env, jobject thiz, |
| 188 | GraphicBuffer** buffer, int* fenceFd); |
| 189 | static void Image_unlockIfLocked(JNIEnv* env, jobject thiz); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 190 | static bool isFormatOpaque(int format); |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 191 | |
| 192 | // --------------------------ImageWriter methods--------------------------------------- |
| 193 | |
| 194 | static void ImageWriter_classInit(JNIEnv* env, jclass clazz) { |
| 195 | ALOGV("%s:", __FUNCTION__); |
| 196 | jclass imageClazz = env->FindClass("android/media/ImageWriter$WriterSurfaceImage"); |
| 197 | LOG_ALWAYS_FATAL_IF(imageClazz == NULL, |
| 198 | "can't find android/media/ImageWriter$WriterSurfaceImage"); |
| 199 | gSurfaceImageClassInfo.mNativeBuffer = env->GetFieldID( |
| 200 | imageClazz, IMAGE_BUFFER_JNI_ID, "J"); |
| 201 | LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mNativeBuffer == NULL, |
| 202 | "can't find android/media/ImageWriter$WriterSurfaceImage.%s", IMAGE_BUFFER_JNI_ID); |
| 203 | |
| 204 | gSurfaceImageClassInfo.mNativeFenceFd = env->GetFieldID( |
| 205 | imageClazz, "mNativeFenceFd", "I"); |
| 206 | LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mNativeFenceFd == NULL, |
| 207 | "can't find android/media/ImageWriter$WriterSurfaceImage.mNativeFenceFd"); |
| 208 | |
| 209 | gSurfaceImageClassInfo.mPlanes = env->GetFieldID( |
| 210 | imageClazz, "mPlanes", "[Landroid/media/ImageWriter$WriterSurfaceImage$SurfacePlane;"); |
| 211 | LOG_ALWAYS_FATAL_IF(gSurfaceImageClassInfo.mPlanes == NULL, |
| 212 | "can't find android/media/ImageWriter$WriterSurfaceImage.mPlanes"); |
| 213 | |
| 214 | gImageWriterClassInfo.postEventFromNative = env->GetStaticMethodID( |
| 215 | clazz, "postEventFromNative", "(Ljava/lang/Object;)V"); |
| 216 | LOG_ALWAYS_FATAL_IF(gImageWriterClassInfo.postEventFromNative == NULL, |
| 217 | "can't find android/media/ImageWriter.postEventFromNative"); |
| 218 | |
| 219 | gImageWriterClassInfo.mWriterFormat = env->GetFieldID( |
| 220 | clazz, "mWriterFormat", "I"); |
| 221 | LOG_ALWAYS_FATAL_IF(gImageWriterClassInfo.mWriterFormat == NULL, |
| 222 | "can't find android/media/ImageWriter.mWriterFormat"); |
| 223 | |
| 224 | jclass planeClazz = env->FindClass("android/media/ImageWriter$WriterSurfaceImage$SurfacePlane"); |
| 225 | LOG_ALWAYS_FATAL_IF(planeClazz == NULL, "Can not find SurfacePlane class"); |
| 226 | // FindClass only gives a local reference of jclass object. |
| 227 | gSurfacePlaneClassInfo.clazz = (jclass) env->NewGlobalRef(planeClazz); |
| 228 | gSurfacePlaneClassInfo.ctor = env->GetMethodID(gSurfacePlaneClassInfo.clazz, "<init>", |
| 229 | "(Landroid/media/ImageWriter$WriterSurfaceImage;IILjava/nio/ByteBuffer;)V"); |
| 230 | LOG_ALWAYS_FATAL_IF(gSurfacePlaneClassInfo.ctor == NULL, |
| 231 | "Can not find SurfacePlane constructor"); |
| 232 | } |
| 233 | |
| 234 | static jlong ImageWriter_init(JNIEnv* env, jobject thiz, jobject weakThiz, jobject jsurface, |
| 235 | jint maxImages) { |
| 236 | status_t res; |
| 237 | |
| 238 | ALOGV("%s: maxImages:%d", __FUNCTION__, maxImages); |
| 239 | |
| 240 | sp<Surface> surface(android_view_Surface_getSurface(env, jsurface)); |
| 241 | if (surface == NULL) { |
| 242 | jniThrowException(env, |
| 243 | "java/lang/IllegalArgumentException", |
| 244 | "The surface has been released"); |
| 245 | return 0; |
| 246 | } |
| 247 | sp<IGraphicBufferProducer> bufferProducer = surface->getIGraphicBufferProducer(); |
| 248 | |
| 249 | jclass clazz = env->GetObjectClass(thiz); |
| 250 | if (clazz == NULL) { |
| 251 | jniThrowRuntimeException(env, "Can't find android/graphics/ImageWriter"); |
| 252 | return 0; |
| 253 | } |
| 254 | sp<JNIImageWriterContext> ctx(new JNIImageWriterContext(env, weakThiz, clazz)); |
| 255 | |
| 256 | sp<Surface> producer = new Surface(bufferProducer, /*controlledByApp*/false); |
| 257 | ctx->setProducer(producer); |
| 258 | /** |
| 259 | * NATIVE_WINDOW_API_CPU isn't a good choice here, as it makes the bufferQueue not connectable |
| 260 | * after disconnect. MEDIA or CAMERA are treated the same internally. The producer listener |
| 261 | * will be cleared after disconnect call. |
| 262 | */ |
| 263 | producer->connect(/*api*/NATIVE_WINDOW_API_CAMERA, /*listener*/ctx); |
| 264 | jlong nativeCtx = reinterpret_cast<jlong>(ctx.get()); |
| 265 | |
| 266 | // Get the dimension and format of the producer. |
| 267 | sp<ANativeWindow> anw = producer; |
| 268 | int32_t width, height, format; |
| 269 | if ((res = anw->query(anw.get(), NATIVE_WINDOW_WIDTH, &width)) != OK) { |
| 270 | ALOGE("%s: Query Surface width failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| 271 | jniThrowRuntimeException(env, "Failed to query Surface width"); |
| 272 | return 0; |
| 273 | } |
| 274 | ctx->setBufferWidth(width); |
| 275 | |
| 276 | if ((res = anw->query(anw.get(), NATIVE_WINDOW_HEIGHT, &height)) != OK) { |
| 277 | ALOGE("%s: Query Surface height failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| 278 | jniThrowRuntimeException(env, "Failed to query Surface height"); |
| 279 | return 0; |
| 280 | } |
| 281 | ctx->setBufferHeight(height); |
| 282 | |
| 283 | if ((res = anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &format)) != OK) { |
| 284 | ALOGE("%s: Query Surface format failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| 285 | jniThrowRuntimeException(env, "Failed to query Surface format"); |
| 286 | return 0; |
| 287 | } |
| 288 | ctx->setBufferFormat(format); |
| 289 | env->SetIntField(thiz, gImageWriterClassInfo.mWriterFormat, reinterpret_cast<jint>(format)); |
| 290 | |
| 291 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 292 | if (!isFormatOpaque(format)) { |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 293 | res = native_window_set_usage(anw.get(), GRALLOC_USAGE_SW_WRITE_OFTEN); |
| 294 | if (res != OK) { |
| 295 | ALOGE("%s: Configure usage %08x for format %08x failed: %s (%d)", |
| 296 | __FUNCTION__, GRALLOC_USAGE_SW_WRITE_OFTEN, format, strerror(-res), res); |
| 297 | jniThrowRuntimeException(env, "Failed to SW_WRITE_OFTEN configure usage"); |
| 298 | return 0; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | int minUndequeuedBufferCount = 0; |
| 303 | res = anw->query(anw.get(), |
| 304 | NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBufferCount); |
| 305 | if (res != OK) { |
| 306 | ALOGE("%s: Query producer undequeued buffer count failed: %s (%d)", |
| 307 | __FUNCTION__, strerror(-res), res); |
| 308 | jniThrowRuntimeException(env, "Query producer undequeued buffer count failed"); |
| 309 | return 0; |
| 310 | } |
| 311 | |
| 312 | size_t totalBufferCount = maxImages + minUndequeuedBufferCount; |
| 313 | res = native_window_set_buffer_count(anw.get(), totalBufferCount); |
| 314 | if (res != OK) { |
| 315 | ALOGE("%s: Set buffer count failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| 316 | jniThrowRuntimeException(env, "Set buffer count failed"); |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | if (ctx != 0) { |
| 321 | ctx->incStrong((void*)ImageWriter_init); |
| 322 | } |
| 323 | return nativeCtx; |
| 324 | } |
| 325 | |
| 326 | static void ImageWriter_dequeueImage(JNIEnv* env, jobject thiz, jlong nativeCtx, jobject image) { |
| 327 | ALOGV("%s", __FUNCTION__); |
| 328 | JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| 329 | if (ctx == NULL || thiz == NULL) { |
| 330 | jniThrowException(env, "java/lang/IllegalStateException", |
| 331 | "ImageWriterContext is not initialized"); |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | sp<ANativeWindow> anw = ctx->getProducer(); |
| 336 | android_native_buffer_t *anb = NULL; |
| 337 | int fenceFd = -1; |
| 338 | status_t res = anw->dequeueBuffer(anw.get(), &anb, &fenceFd); |
| 339 | if (res != OK) { |
| 340 | // TODO: handle different error cases here. |
| 341 | ALOGE("%s: Set buffer count failed: %s (%d)", __FUNCTION__, strerror(-res), res); |
| 342 | jniThrowRuntimeException(env, "dequeue buffer failed"); |
| 343 | return; |
| 344 | } |
| 345 | // New GraphicBuffer object doesn't own the handle, thus the native buffer |
| 346 | // won't be freed when this object is destroyed. |
| 347 | sp<GraphicBuffer> buffer(new GraphicBuffer(anb, /*keepOwnership*/false)); |
| 348 | |
| 349 | // Note that: |
| 350 | // 1. No need to lock buffer now, will only lock it when the first getPlanes() is called. |
| 351 | // 2. Fence will be saved to mNativeFenceFd, and will consumed by lock/queue/cancel buffer |
| 352 | // later. |
| 353 | // 3. need use lockAsync here, as it will handle the dequeued fence for us automatically. |
| 354 | |
| 355 | // Finally, set the native info into image object. |
| 356 | Image_setNativeContext(env, image, buffer, fenceFd); |
| 357 | } |
| 358 | |
| 359 | static void ImageWriter_close(JNIEnv* env, jobject thiz, jlong nativeCtx) { |
| 360 | ALOGV("%s:", __FUNCTION__); |
| 361 | JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| 362 | if (ctx == NULL || thiz == NULL) { |
| 363 | jniThrowException(env, "java/lang/IllegalStateException", |
| 364 | "ImageWriterContext is not initialized"); |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | ANativeWindow* producer = ctx->getProducer(); |
| 369 | if (producer != NULL) { |
| 370 | /** |
| 371 | * NATIVE_WINDOW_API_CPU isn't a good choice here, as it makes the bufferQueue not |
| 372 | * connectable after disconnect. MEDIA or CAMERA are treated the same internally. |
| 373 | * The producer listener will be cleared after disconnect call. |
| 374 | */ |
| 375 | status_t res = native_window_api_disconnect(producer, /*api*/NATIVE_WINDOW_API_CAMERA); |
| 376 | /** |
| 377 | * This is not an error. if client calling process dies, the window will |
| 378 | * also die and all calls to it will return DEAD_OBJECT, thus it's already |
| 379 | * "disconnected" |
| 380 | */ |
| 381 | if (res == DEAD_OBJECT) { |
| 382 | ALOGW("%s: While disconnecting ImageWriter from native window, the" |
| 383 | " native window died already", __FUNCTION__); |
| 384 | } else if (res != OK) { |
| 385 | ALOGE("%s: native window disconnect failed: %s (%d)", |
| 386 | __FUNCTION__, strerror(-res), res); |
| 387 | jniThrowRuntimeException(env, "Native window disconnect failed"); |
| 388 | return; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | ctx->decStrong((void*)ImageWriter_init); |
| 393 | } |
| 394 | |
| 395 | static void ImageWriter_cancelImage(JNIEnv* env, jobject thiz, jlong nativeCtx, jobject image) { |
| 396 | ALOGV("%s", __FUNCTION__); |
| 397 | JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| 398 | if (ctx == NULL || thiz == NULL) { |
| 399 | jniThrowException(env, "java/lang/IllegalStateException", |
| 400 | "ImageWriterContext is not initialized"); |
| 401 | return; |
| 402 | } |
| 403 | |
| 404 | sp<ANativeWindow> anw = ctx->getProducer(); |
| 405 | |
| 406 | GraphicBuffer *buffer = NULL; |
| 407 | int fenceFd = -1; |
| 408 | Image_getNativeContext(env, image, &buffer, &fenceFd); |
| 409 | if (buffer == NULL) { |
| 410 | jniThrowException(env, "java/lang/IllegalStateException", |
| 411 | "Image is not initialized"); |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | // Unlock the image if it was locked |
| 416 | Image_unlockIfLocked(env, image); |
| 417 | |
| 418 | anw->cancelBuffer(anw.get(), buffer, fenceFd); |
| 419 | |
| 420 | Image_setNativeContext(env, image, NULL, -1); |
| 421 | } |
| 422 | |
| 423 | static void ImageWriter_queueImage(JNIEnv* env, jobject thiz, jlong nativeCtx, jobject image, |
| 424 | jlong timestampNs, jint left, jint top, jint right, jint bottom) { |
| 425 | ALOGV("%s", __FUNCTION__); |
| 426 | JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| 427 | if (ctx == NULL || thiz == NULL) { |
| 428 | jniThrowException(env, "java/lang/IllegalStateException", |
| 429 | "ImageWriterContext is not initialized"); |
| 430 | return; |
| 431 | } |
| 432 | |
| 433 | status_t res = OK; |
| 434 | sp<ANativeWindow> anw = ctx->getProducer(); |
| 435 | |
| 436 | GraphicBuffer *buffer = NULL; |
| 437 | int fenceFd = -1; |
| 438 | Image_getNativeContext(env, image, &buffer, &fenceFd); |
| 439 | if (buffer == NULL) { |
| 440 | jniThrowException(env, "java/lang/IllegalStateException", |
| 441 | "Image is not initialized"); |
| 442 | return; |
| 443 | } |
| 444 | |
| 445 | // Unlock image if it was locked. |
| 446 | Image_unlockIfLocked(env, image); |
| 447 | |
| 448 | // Set timestamp |
Zhijun He | d1cbc68 | 2015-03-23 10:10:04 -0700 | [diff] [blame] | 449 | ALOGV("timestamp to be queued: %" PRId64, timestampNs); |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 450 | res = native_window_set_buffers_timestamp(anw.get(), timestampNs); |
| 451 | if (res != OK) { |
| 452 | jniThrowRuntimeException(env, "Set timestamp failed"); |
| 453 | return; |
| 454 | } |
| 455 | |
| 456 | // Set crop |
| 457 | android_native_rect_t cropRect; |
| 458 | cropRect.left = left; |
| 459 | cropRect.top = top; |
| 460 | cropRect.right = right; |
| 461 | cropRect.bottom = bottom; |
| 462 | res = native_window_set_crop(anw.get(), &cropRect); |
| 463 | if (res != OK) { |
| 464 | jniThrowRuntimeException(env, "Set crop rect failed"); |
| 465 | return; |
| 466 | } |
| 467 | |
| 468 | // Finally, queue input buffer |
| 469 | res = anw->queueBuffer(anw.get(), buffer, fenceFd); |
| 470 | if (res != OK) { |
| 471 | jniThrowRuntimeException(env, "Queue input buffer failed"); |
| 472 | return; |
| 473 | } |
| 474 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 475 | // Clear the image native context: end of this image's lifecycle in public API. |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 476 | Image_setNativeContext(env, image, NULL, -1); |
| 477 | } |
| 478 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 479 | static jint ImageWriter_attachAndQueueImage(JNIEnv* env, jobject thiz, jlong nativeCtx, |
| 480 | jlong nativeBuffer, jint imageFormat, jlong timestampNs, jint left, jint top, |
| 481 | jint right, jint bottom) { |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 482 | ALOGV("%s", __FUNCTION__); |
| 483 | JNIImageWriterContext* const ctx = reinterpret_cast<JNIImageWriterContext *>(nativeCtx); |
| 484 | if (ctx == NULL || thiz == NULL) { |
| 485 | jniThrowException(env, "java/lang/IllegalStateException", |
| 486 | "ImageWriterContext is not initialized"); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 487 | return -1; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 488 | } |
| 489 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 490 | sp<Surface> surface = ctx->getProducer(); |
| 491 | status_t res = OK; |
| 492 | if (!isFormatOpaque(imageFormat)) { |
| 493 | // TODO: need implement, see b/19962027 |
| 494 | jniThrowRuntimeException(env, |
| 495 | "nativeAttachImage for non-opaque image is not implement yet!!!"); |
| 496 | return -1; |
| 497 | } |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 498 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 499 | if (!isFormatOpaque(ctx->getBufferFormat())) { |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 500 | jniThrowException(env, "java/lang/IllegalStateException", |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 501 | "Trying to attach an opaque image into a non-opaque ImageWriter"); |
| 502 | return -1; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 503 | } |
| 504 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 505 | // Image is guaranteed to be from ImageReader at this point, so it is safe to |
| 506 | // cast to BufferItem pointer. |
| 507 | BufferItem* opaqueBuffer = reinterpret_cast<BufferItem*>(nativeBuffer); |
| 508 | if (opaqueBuffer == NULL) { |
| 509 | jniThrowException(env, "java/lang/IllegalStateException", |
| 510 | "Image is not initialized or already closed"); |
| 511 | return -1; |
| 512 | } |
| 513 | |
| 514 | // Step 1. Attach Image |
| 515 | res = surface->attachBuffer(opaqueBuffer->mGraphicBuffer.get()); |
| 516 | if (res != OK) { |
| 517 | // TODO: handle different error case separately. |
| 518 | ALOGE("Attach image failed: %s (%d)", strerror(-res), res); |
| 519 | jniThrowRuntimeException(env, "nativeAttachImage failed!!!"); |
| 520 | return res; |
| 521 | } |
| 522 | sp < ANativeWindow > anw = surface; |
| 523 | |
| 524 | // Step 2. Set timestamp and crop. Note that we do not need unlock the image because |
| 525 | // it was not locked. |
| 526 | ALOGV("timestamp to be queued: %" PRId64, timestampNs); |
| 527 | res = native_window_set_buffers_timestamp(anw.get(), timestampNs); |
| 528 | if (res != OK) { |
| 529 | jniThrowRuntimeException(env, "Set timestamp failed"); |
| 530 | return res; |
| 531 | } |
| 532 | |
| 533 | android_native_rect_t cropRect; |
| 534 | cropRect.left = left; |
| 535 | cropRect.top = top; |
| 536 | cropRect.right = right; |
| 537 | cropRect.bottom = bottom; |
| 538 | res = native_window_set_crop(anw.get(), &cropRect); |
| 539 | if (res != OK) { |
| 540 | jniThrowRuntimeException(env, "Set crop rect failed"); |
| 541 | return res; |
| 542 | } |
| 543 | |
| 544 | // Step 3. Queue Image. |
| 545 | res = anw->queueBuffer(anw.get(), opaqueBuffer->mGraphicBuffer.get(), /*fenceFd*/ |
| 546 | -1); |
| 547 | if (res != OK) { |
| 548 | jniThrowRuntimeException(env, "Queue input buffer failed"); |
| 549 | return res; |
| 550 | } |
| 551 | |
| 552 | // Do not set the image native context. Since it would overwrite the existing native context |
| 553 | // of the image that is from ImageReader, the subsequent image close will run into issues. |
| 554 | |
| 555 | return res; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | // --------------------------Image methods--------------------------------------- |
| 559 | |
| 560 | static void Image_getNativeContext(JNIEnv* env, jobject thiz, |
| 561 | GraphicBuffer** buffer, int* fenceFd) { |
| 562 | ALOGV("%s", __FUNCTION__); |
| 563 | if (buffer != NULL) { |
| 564 | GraphicBuffer *gb = reinterpret_cast<GraphicBuffer *> |
| 565 | (env->GetLongField(thiz, gSurfaceImageClassInfo.mNativeBuffer)); |
| 566 | *buffer = gb; |
| 567 | } |
| 568 | |
| 569 | if (fenceFd != NULL) { |
| 570 | *fenceFd = reinterpret_cast<jint>(env->GetIntField( |
| 571 | thiz, gSurfaceImageClassInfo.mNativeFenceFd)); |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | static void Image_setNativeContext(JNIEnv* env, jobject thiz, |
| 576 | sp<GraphicBuffer> buffer, int fenceFd) { |
| 577 | ALOGV("%s:", __FUNCTION__); |
| 578 | GraphicBuffer* p = NULL; |
| 579 | Image_getNativeContext(env, thiz, &p, /*fenceFd*/NULL); |
| 580 | if (buffer != 0) { |
| 581 | buffer->incStrong((void*)Image_setNativeContext); |
| 582 | } |
| 583 | if (p) { |
| 584 | p->decStrong((void*)Image_setNativeContext); |
| 585 | } |
| 586 | env->SetLongField(thiz, gSurfaceImageClassInfo.mNativeBuffer, |
| 587 | reinterpret_cast<jlong>(buffer.get())); |
| 588 | |
| 589 | env->SetIntField(thiz, gSurfaceImageClassInfo.mNativeFenceFd, reinterpret_cast<jint>(fenceFd)); |
| 590 | } |
| 591 | |
| 592 | static void Image_unlockIfLocked(JNIEnv* env, jobject thiz) { |
| 593 | ALOGV("%s", __FUNCTION__); |
| 594 | GraphicBuffer* buffer; |
| 595 | Image_getNativeContext(env, thiz, &buffer, NULL); |
| 596 | if (buffer == NULL) { |
| 597 | jniThrowException(env, "java/lang/IllegalStateException", |
| 598 | "Image is not initialized"); |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | // Is locked? |
| 603 | bool isLocked = false; |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 604 | jobject planes = NULL; |
| 605 | if (!isFormatOpaque(buffer->getPixelFormat())) { |
| 606 | planes = env->GetObjectField(thiz, gSurfaceImageClassInfo.mPlanes); |
| 607 | } |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 608 | isLocked = (planes != NULL); |
| 609 | if (isLocked) { |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 610 | // no need to use fence here, as we it will be consumed by either cancel or queue buffer. |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 611 | status_t res = buffer->unlock(); |
| 612 | if (res != OK) { |
| 613 | jniThrowRuntimeException(env, "unlock buffer failed"); |
| 614 | } |
| 615 | ALOGV("Successfully unlocked the image"); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | static jint Image_getWidth(JNIEnv* env, jobject thiz) { |
| 620 | ALOGV("%s", __FUNCTION__); |
| 621 | GraphicBuffer* buffer; |
| 622 | Image_getNativeContext(env, thiz, &buffer, NULL); |
| 623 | if (buffer == NULL) { |
| 624 | jniThrowException(env, "java/lang/IllegalStateException", |
| 625 | "Image is not initialized"); |
| 626 | return -1; |
| 627 | } |
| 628 | |
| 629 | return buffer->getWidth(); |
| 630 | } |
| 631 | |
| 632 | static jint Image_getHeight(JNIEnv* env, jobject thiz) { |
| 633 | ALOGV("%s", __FUNCTION__); |
| 634 | GraphicBuffer* buffer; |
| 635 | Image_getNativeContext(env, thiz, &buffer, NULL); |
| 636 | if (buffer == NULL) { |
| 637 | jniThrowException(env, "java/lang/IllegalStateException", |
| 638 | "Image is not initialized"); |
| 639 | return -1; |
| 640 | } |
| 641 | |
| 642 | return buffer->getHeight(); |
| 643 | } |
| 644 | |
| 645 | // Some formats like JPEG defined with different values between android.graphics.ImageFormat and |
| 646 | // graphics.h, need convert to the one defined in graphics.h here. |
| 647 | static int Image_getPixelFormat(JNIEnv* env, int format) { |
| 648 | int jpegFormat; |
| 649 | jfieldID fid; |
| 650 | |
| 651 | ALOGV("%s: format = 0x%x", __FUNCTION__, format); |
| 652 | |
| 653 | jclass imageFormatClazz = env->FindClass("android/graphics/ImageFormat"); |
| 654 | ALOG_ASSERT(imageFormatClazz != NULL); |
| 655 | |
| 656 | fid = env->GetStaticFieldID(imageFormatClazz, "JPEG", "I"); |
| 657 | jpegFormat = env->GetStaticIntField(imageFormatClazz, fid); |
| 658 | |
| 659 | // Translate the JPEG to BLOB for camera purpose. |
| 660 | if (format == jpegFormat) { |
| 661 | format = HAL_PIXEL_FORMAT_BLOB; |
| 662 | } |
| 663 | |
| 664 | return format; |
| 665 | } |
| 666 | |
| 667 | static jint Image_getFormat(JNIEnv* env, jobject thiz) { |
| 668 | ALOGV("%s", __FUNCTION__); |
| 669 | GraphicBuffer* buffer; |
| 670 | Image_getNativeContext(env, thiz, &buffer, NULL); |
| 671 | if (buffer == NULL) { |
| 672 | jniThrowException(env, "java/lang/IllegalStateException", |
| 673 | "Image is not initialized"); |
| 674 | return 0; |
| 675 | } |
| 676 | |
| 677 | return Image_getPixelFormat(env, buffer->getPixelFormat()); |
| 678 | } |
| 679 | |
| 680 | static void Image_setFenceFd(JNIEnv* env, jobject thiz, int fenceFd) { |
| 681 | ALOGV("%s:", __FUNCTION__); |
| 682 | env->SetIntField(thiz, gSurfaceImageClassInfo.mNativeFenceFd, reinterpret_cast<jint>(fenceFd)); |
| 683 | } |
| 684 | |
| 685 | static void Image_getLockedImage(JNIEnv* env, jobject thiz, LockedImage *image) { |
| 686 | ALOGV("%s", __FUNCTION__); |
| 687 | GraphicBuffer* buffer; |
| 688 | int fenceFd = -1; |
| 689 | Image_getNativeContext(env, thiz, &buffer, &fenceFd); |
| 690 | if (buffer == NULL) { |
| 691 | jniThrowException(env, "java/lang/IllegalStateException", |
| 692 | "Image is not initialized"); |
| 693 | return; |
| 694 | } |
| 695 | |
| 696 | void* pData = NULL; |
| 697 | android_ycbcr ycbcr = android_ycbcr(); |
| 698 | status_t res; |
| 699 | int format = Image_getFormat(env, thiz); |
| 700 | int flexFormat = format; |
| 701 | if (isPossiblyYUV(format)) { |
| 702 | // ImageWriter doesn't use crop by itself, app sets it, use the no crop version. |
| 703 | res = buffer->lockAsyncYCbCr(GRALLOC_USAGE_SW_WRITE_OFTEN, &ycbcr, fenceFd); |
| 704 | // Clear the fenceFd as it is already consumed by lock call. |
| 705 | Image_setFenceFd(env, thiz, /*fenceFd*/-1); |
| 706 | if (res != OK) { |
| 707 | jniThrowRuntimeException(env, "lockAsyncYCbCr failed for YUV buffer"); |
| 708 | return; |
| 709 | } |
| 710 | pData = ycbcr.y; |
| 711 | flexFormat = HAL_PIXEL_FORMAT_YCbCr_420_888; |
| 712 | } |
| 713 | |
| 714 | // lockAsyncYCbCr for YUV is unsuccessful. |
| 715 | if (pData == NULL) { |
| 716 | res = buffer->lockAsync(GRALLOC_USAGE_SW_WRITE_OFTEN, &pData, fenceFd); |
| 717 | if (res != OK) { |
| 718 | jniThrowRuntimeException(env, "lockAsync failed"); |
| 719 | return; |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | image->data = reinterpret_cast<uint8_t*>(pData); |
| 724 | image->width = buffer->getWidth(); |
| 725 | image->height = buffer->getHeight(); |
| 726 | image->format = format; |
| 727 | image->flexFormat = flexFormat; |
| 728 | image->stride = (ycbcr.y != NULL) ? static_cast<uint32_t>(ycbcr.ystride) : buffer->getStride(); |
| 729 | |
| 730 | image->dataCb = reinterpret_cast<uint8_t*>(ycbcr.cb); |
| 731 | image->dataCr = reinterpret_cast<uint8_t*>(ycbcr.cr); |
| 732 | image->chromaStride = static_cast<uint32_t>(ycbcr.cstride); |
| 733 | image->chromaStep = static_cast<uint32_t>(ycbcr.chroma_step); |
| 734 | ALOGV("Successfully locked the image"); |
| 735 | // crop, transform, scalingMode, timestamp, and frameNumber should be set by producer, |
| 736 | // and we don't set them here. |
| 737 | } |
| 738 | |
| 739 | static bool usingRGBAToJpegOverride(int32_t bufferFormat, int32_t writerCtxFormat) { |
| 740 | return writerCtxFormat == HAL_PIXEL_FORMAT_BLOB && bufferFormat == HAL_PIXEL_FORMAT_RGBA_8888; |
| 741 | } |
| 742 | |
| 743 | static int32_t applyFormatOverrides(int32_t bufferFormat, int32_t writerCtxFormat) |
| 744 | { |
| 745 | // Using HAL_PIXEL_FORMAT_RGBA_8888 gralloc buffers containing JPEGs to get around SW |
| 746 | // write limitations for some platforms (b/17379185). |
| 747 | if (usingRGBAToJpegOverride(bufferFormat, writerCtxFormat)) { |
| 748 | return HAL_PIXEL_FORMAT_BLOB; |
| 749 | } |
| 750 | return bufferFormat; |
| 751 | } |
| 752 | |
| 753 | static uint32_t Image_getJpegSize(LockedImage* buffer, bool usingRGBAOverride) { |
| 754 | ALOGV("%s", __FUNCTION__); |
| 755 | ALOG_ASSERT(buffer != NULL, "Input buffer is NULL!!!"); |
| 756 | uint32_t size = 0; |
| 757 | uint32_t width = buffer->width; |
| 758 | uint8_t* jpegBuffer = buffer->data; |
| 759 | |
| 760 | if (usingRGBAOverride) { |
| 761 | width = (buffer->width + buffer->stride * (buffer->height - 1)) * 4; |
| 762 | } |
| 763 | |
| 764 | // First check for JPEG transport header at the end of the buffer |
| 765 | uint8_t* header = jpegBuffer + (width - sizeof(struct camera3_jpeg_blob)); |
| 766 | struct camera3_jpeg_blob *blob = (struct camera3_jpeg_blob*)(header); |
| 767 | if (blob->jpeg_blob_id == CAMERA3_JPEG_BLOB_ID) { |
| 768 | size = blob->jpeg_size; |
| 769 | ALOGV("%s: Jpeg size = %d", __FUNCTION__, size); |
| 770 | } |
| 771 | |
| 772 | // failed to find size, default to whole buffer |
| 773 | if (size == 0) { |
| 774 | /* |
| 775 | * This is a problem because not including the JPEG header |
| 776 | * means that in certain rare situations a regular JPEG blob |
| 777 | * will be misidentified as having a header, in which case |
| 778 | * we will get a garbage size value. |
| 779 | */ |
| 780 | ALOGW("%s: No JPEG header detected, defaulting to size=width=%d", |
| 781 | __FUNCTION__, width); |
| 782 | size = width; |
| 783 | } |
| 784 | |
| 785 | return size; |
| 786 | } |
| 787 | |
| 788 | static void Image_getLockedImageInfo(JNIEnv* env, LockedImage* buffer, int idx, |
| 789 | int32_t writerFormat, uint8_t **base, uint32_t *size, int *pixelStride, int *rowStride) { |
| 790 | ALOGV("%s", __FUNCTION__); |
| 791 | ALOG_ASSERT(buffer != NULL, "Input buffer is NULL!!!"); |
| 792 | ALOG_ASSERT(base != NULL, "base is NULL!!!"); |
| 793 | ALOG_ASSERT(size != NULL, "size is NULL!!!"); |
| 794 | ALOG_ASSERT(pixelStride != NULL, "pixelStride is NULL!!!"); |
| 795 | ALOG_ASSERT(rowStride != NULL, "rowStride is NULL!!!"); |
| 796 | ALOG_ASSERT((idx < IMAGE_WRITER_MAX_NUM_PLANES) && (idx >= 0)); |
| 797 | |
| 798 | ALOGV("%s: buffer: %p", __FUNCTION__, buffer); |
| 799 | |
| 800 | uint32_t dataSize, ySize, cSize, cStride; |
| 801 | uint32_t pStride = 0, rStride = 0; |
| 802 | uint8_t *cb, *cr; |
| 803 | uint8_t *pData = NULL; |
| 804 | int bytesPerPixel = 0; |
| 805 | |
| 806 | dataSize = ySize = cSize = cStride = 0; |
| 807 | int32_t fmt = buffer->flexFormat; |
| 808 | |
| 809 | bool usingRGBAOverride = usingRGBAToJpegOverride(fmt, writerFormat); |
| 810 | fmt = applyFormatOverrides(fmt, writerFormat); |
| 811 | switch (fmt) { |
| 812 | case HAL_PIXEL_FORMAT_YCbCr_420_888: |
| 813 | pData = |
| 814 | (idx == 0) ? |
| 815 | buffer->data : |
| 816 | (idx == 1) ? |
| 817 | buffer->dataCb : |
| 818 | buffer->dataCr; |
| 819 | // only map until last pixel |
| 820 | if (idx == 0) { |
| 821 | pStride = 1; |
| 822 | rStride = buffer->stride; |
| 823 | dataSize = buffer->stride * (buffer->height - 1) + buffer->width; |
| 824 | } else { |
| 825 | pStride = buffer->chromaStep; |
| 826 | rStride = buffer->chromaStride; |
| 827 | dataSize = buffer->chromaStride * (buffer->height / 2 - 1) + |
| 828 | buffer->chromaStep * (buffer->width / 2 - 1) + 1; |
| 829 | } |
| 830 | break; |
| 831 | // NV21 |
| 832 | case HAL_PIXEL_FORMAT_YCrCb_420_SP: |
| 833 | cr = buffer->data + (buffer->stride * buffer->height); |
| 834 | cb = cr + 1; |
| 835 | // only map until last pixel |
| 836 | ySize = buffer->width * (buffer->height - 1) + buffer->width; |
| 837 | cSize = buffer->width * (buffer->height / 2 - 1) + buffer->width - 1; |
| 838 | |
| 839 | pData = |
| 840 | (idx == 0) ? |
| 841 | buffer->data : |
| 842 | (idx == 1) ? |
| 843 | cb: |
| 844 | cr; |
| 845 | |
| 846 | dataSize = (idx == 0) ? ySize : cSize; |
| 847 | pStride = (idx == 0) ? 1 : 2; |
| 848 | rStride = buffer->width; |
| 849 | break; |
| 850 | case HAL_PIXEL_FORMAT_YV12: |
| 851 | // Y and C stride need to be 16 pixel aligned. |
| 852 | LOG_ALWAYS_FATAL_IF(buffer->stride % 16, |
| 853 | "Stride is not 16 pixel aligned %d", buffer->stride); |
| 854 | |
| 855 | ySize = buffer->stride * buffer->height; |
| 856 | cStride = ALIGN(buffer->stride / 2, 16); |
| 857 | cr = buffer->data + ySize; |
| 858 | cSize = cStride * buffer->height / 2; |
| 859 | cb = cr + cSize; |
| 860 | |
| 861 | pData = |
| 862 | (idx == 0) ? |
| 863 | buffer->data : |
| 864 | (idx == 1) ? |
| 865 | cb : |
| 866 | cr; |
| 867 | dataSize = (idx == 0) ? ySize : cSize; |
| 868 | pStride = 1; |
| 869 | rStride = (idx == 0) ? buffer->stride : ALIGN(buffer->stride / 2, 16); |
| 870 | break; |
| 871 | case HAL_PIXEL_FORMAT_Y8: |
| 872 | // Single plane, 8bpp. |
| 873 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 874 | |
| 875 | pData = buffer->data; |
| 876 | dataSize = buffer->stride * buffer->height; |
| 877 | pStride = 1; |
| 878 | rStride = buffer->stride; |
| 879 | break; |
| 880 | case HAL_PIXEL_FORMAT_Y16: |
| 881 | bytesPerPixel = 2; |
| 882 | // Single plane, 16bpp, strides are specified in pixels, not in bytes |
| 883 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 884 | |
| 885 | pData = buffer->data; |
| 886 | dataSize = buffer->stride * buffer->height * bytesPerPixel; |
| 887 | pStride = bytesPerPixel; |
| 888 | rStride = buffer->stride * 2; |
| 889 | break; |
| 890 | case HAL_PIXEL_FORMAT_BLOB: |
| 891 | // Used for JPEG data, height must be 1, width == size, single plane. |
| 892 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 893 | ALOG_ASSERT(buffer->height == 1, "JPEG should has height value %d", buffer->height); |
| 894 | |
| 895 | pData = buffer->data; |
| 896 | dataSize = Image_getJpegSize(buffer, usingRGBAOverride); |
| 897 | pStride = bytesPerPixel; |
| 898 | rowStride = 0; |
| 899 | break; |
| 900 | case HAL_PIXEL_FORMAT_RAW16: |
| 901 | // Single plane 16bpp bayer data. |
| 902 | bytesPerPixel = 2; |
| 903 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 904 | pData = buffer->data; |
| 905 | dataSize = buffer->stride * buffer->height * bytesPerPixel; |
| 906 | pStride = bytesPerPixel; |
| 907 | rStride = buffer->stride * 2; |
| 908 | break; |
| 909 | case HAL_PIXEL_FORMAT_RAW10: |
| 910 | // Single plane 10bpp bayer data. |
| 911 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 912 | LOG_ALWAYS_FATAL_IF(buffer->width % 4, |
| 913 | "Width is not multiple of 4 %d", buffer->width); |
| 914 | LOG_ALWAYS_FATAL_IF(buffer->height % 2, |
| 915 | "Height is not even %d", buffer->height); |
| 916 | LOG_ALWAYS_FATAL_IF(buffer->stride < (buffer->width * 10 / 8), |
| 917 | "stride (%d) should be at least %d", |
| 918 | buffer->stride, buffer->width * 10 / 8); |
| 919 | pData = buffer->data; |
| 920 | dataSize = buffer->stride * buffer->height; |
| 921 | pStride = 0; |
| 922 | rStride = buffer->stride; |
| 923 | break; |
| 924 | case HAL_PIXEL_FORMAT_RGBA_8888: |
| 925 | case HAL_PIXEL_FORMAT_RGBX_8888: |
| 926 | // Single plane, 32bpp. |
| 927 | bytesPerPixel = 4; |
| 928 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 929 | pData = buffer->data; |
| 930 | dataSize = buffer->stride * buffer->height * bytesPerPixel; |
| 931 | pStride = bytesPerPixel; |
| 932 | rStride = buffer->stride * 4; |
| 933 | break; |
| 934 | case HAL_PIXEL_FORMAT_RGB_565: |
| 935 | // Single plane, 16bpp. |
| 936 | bytesPerPixel = 2; |
| 937 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 938 | pData = buffer->data; |
| 939 | dataSize = buffer->stride * buffer->height * bytesPerPixel; |
| 940 | pStride = bytesPerPixel; |
| 941 | rStride = buffer->stride * 2; |
| 942 | break; |
| 943 | case HAL_PIXEL_FORMAT_RGB_888: |
| 944 | // Single plane, 24bpp. |
| 945 | bytesPerPixel = 3; |
| 946 | ALOG_ASSERT(idx == 0, "Wrong index: %d", idx); |
| 947 | pData = buffer->data; |
| 948 | dataSize = buffer->stride * buffer->height * bytesPerPixel; |
| 949 | pStride = bytesPerPixel; |
| 950 | rStride = buffer->stride * 3; |
| 951 | break; |
| 952 | default: |
| 953 | jniThrowExceptionFmt(env, "java/lang/UnsupportedOperationException", |
| 954 | "Pixel format: 0x%x is unsupported", fmt); |
| 955 | break; |
| 956 | } |
| 957 | |
| 958 | *base = pData; |
| 959 | *size = dataSize; |
| 960 | *pixelStride = pStride; |
| 961 | *rowStride = rStride; |
| 962 | } |
| 963 | |
| 964 | static jobjectArray Image_createSurfacePlanes(JNIEnv* env, jobject thiz, |
| 965 | int numPlanes, int writerFormat) { |
| 966 | ALOGV("%s: create SurfacePlane array with size %d", __FUNCTION__, numPlanes); |
| 967 | int rowStride, pixelStride; |
| 968 | uint8_t *pData; |
| 969 | uint32_t dataSize; |
| 970 | jobject byteBuffer; |
| 971 | |
| 972 | int format = Image_getFormat(env, thiz); |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 973 | if (isFormatOpaque(format) && numPlanes > 0) { |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 974 | String8 msg; |
| 975 | msg.appendFormat("Format 0x%x is opaque, thus not writable, the number of planes (%d)" |
| 976 | " must be 0", format, numPlanes); |
| 977 | jniThrowException(env, "java/lang/IllegalArgumentException", msg.string()); |
| 978 | return NULL; |
| 979 | } |
| 980 | |
| 981 | jobjectArray surfacePlanes = env->NewObjectArray(numPlanes, gSurfacePlaneClassInfo.clazz, |
| 982 | /*initial_element*/NULL); |
| 983 | if (surfacePlanes == NULL) { |
| 984 | jniThrowRuntimeException(env, "Failed to create SurfacePlane arrays," |
| 985 | " probably out of memory"); |
| 986 | return NULL; |
| 987 | } |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 988 | if (isFormatOpaque(format)) { |
| 989 | return surfacePlanes; |
| 990 | } |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 991 | |
| 992 | // Buildup buffer info: rowStride, pixelStride and byteBuffers. |
| 993 | LockedImage lockedImg = LockedImage(); |
| 994 | Image_getLockedImage(env, thiz, &lockedImg); |
| 995 | |
| 996 | // Create all SurfacePlanes |
| 997 | writerFormat = Image_getPixelFormat(env, writerFormat); |
| 998 | for (int i = 0; i < numPlanes; i++) { |
| 999 | Image_getLockedImageInfo(env, &lockedImg, i, writerFormat, |
| 1000 | &pData, &dataSize, &pixelStride, &rowStride); |
| 1001 | byteBuffer = env->NewDirectByteBuffer(pData, dataSize); |
| 1002 | if ((byteBuffer == NULL) && (env->ExceptionCheck() == false)) { |
| 1003 | jniThrowException(env, "java/lang/IllegalStateException", |
| 1004 | "Failed to allocate ByteBuffer"); |
| 1005 | return NULL; |
| 1006 | } |
| 1007 | |
| 1008 | // Finally, create this SurfacePlane. |
| 1009 | jobject surfacePlane = env->NewObject(gSurfacePlaneClassInfo.clazz, |
| 1010 | gSurfacePlaneClassInfo.ctor, thiz, rowStride, pixelStride, byteBuffer); |
| 1011 | env->SetObjectArrayElement(surfacePlanes, i, surfacePlane); |
| 1012 | } |
| 1013 | |
| 1014 | return surfacePlanes; |
| 1015 | } |
| 1016 | |
| 1017 | // -------------------------------Private convenience methods-------------------- |
| 1018 | |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 1019 | static bool isFormatOpaque(int format) { |
| 1020 | // Only treat IMPLEMENTATION_DEFINED as an opaque format for now. |
| 1021 | return format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 1022 | } |
| 1023 | |
| 1024 | static bool isPossiblyYUV(PixelFormat format) { |
| 1025 | switch (static_cast<int>(format)) { |
| 1026 | case HAL_PIXEL_FORMAT_RGBA_8888: |
| 1027 | case HAL_PIXEL_FORMAT_RGBX_8888: |
| 1028 | case HAL_PIXEL_FORMAT_RGB_888: |
| 1029 | case HAL_PIXEL_FORMAT_RGB_565: |
| 1030 | case HAL_PIXEL_FORMAT_BGRA_8888: |
| 1031 | case HAL_PIXEL_FORMAT_Y8: |
| 1032 | case HAL_PIXEL_FORMAT_Y16: |
| 1033 | case HAL_PIXEL_FORMAT_RAW16: |
| 1034 | case HAL_PIXEL_FORMAT_RAW10: |
| 1035 | case HAL_PIXEL_FORMAT_RAW_OPAQUE: |
| 1036 | case HAL_PIXEL_FORMAT_BLOB: |
| 1037 | case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: |
| 1038 | return false; |
| 1039 | |
| 1040 | case HAL_PIXEL_FORMAT_YV12: |
| 1041 | case HAL_PIXEL_FORMAT_YCbCr_420_888: |
| 1042 | case HAL_PIXEL_FORMAT_YCbCr_422_SP: |
| 1043 | case HAL_PIXEL_FORMAT_YCrCb_420_SP: |
| 1044 | case HAL_PIXEL_FORMAT_YCbCr_422_I: |
| 1045 | default: |
| 1046 | return true; |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | } // extern "C" |
| 1051 | |
| 1052 | // ---------------------------------------------------------------------------- |
| 1053 | |
| 1054 | static JNINativeMethod gImageWriterMethods[] = { |
| 1055 | {"nativeClassInit", "()V", (void*)ImageWriter_classInit }, |
| 1056 | {"nativeInit", "(Ljava/lang/Object;Landroid/view/Surface;I)J", |
| 1057 | (void*)ImageWriter_init }, |
Zhijun He | ce9d6f9 | 2015-03-29 16:33:59 -0700 | [diff] [blame] | 1058 | {"nativeClose", "(J)V", (void*)ImageWriter_close }, |
| 1059 | {"nativeAttachAndQueueImage", "(JJIJIIII)I", (void*)ImageWriter_attachAndQueueImage }, |
Zhijun He | f6a09e5 | 2015-02-24 18:12:23 -0800 | [diff] [blame] | 1060 | {"nativeDequeueInputImage", "(JLandroid/media/Image;)V", (void*)ImageWriter_dequeueImage }, |
| 1061 | {"nativeQueueInputImage", "(JLandroid/media/Image;JIIII)V", (void*)ImageWriter_queueImage }, |
| 1062 | {"cancelImage", "(JLandroid/media/Image;)V", (void*)ImageWriter_cancelImage }, |
| 1063 | }; |
| 1064 | |
| 1065 | static JNINativeMethod gImageMethods[] = { |
| 1066 | {"nativeCreatePlanes", "(II)[Landroid/media/ImageWriter$WriterSurfaceImage$SurfacePlane;", |
| 1067 | (void*)Image_createSurfacePlanes }, |
| 1068 | {"nativeGetWidth", "()I", (void*)Image_getWidth }, |
| 1069 | {"nativeGetHeight", "()I", (void*)Image_getHeight }, |
| 1070 | {"nativeGetFormat", "()I", (void*)Image_getFormat }, |
| 1071 | }; |
| 1072 | |
| 1073 | int register_android_media_ImageWriter(JNIEnv *env) { |
| 1074 | |
| 1075 | int ret1 = AndroidRuntime::registerNativeMethods(env, |
| 1076 | "android/media/ImageWriter", gImageWriterMethods, NELEM(gImageWriterMethods)); |
| 1077 | |
| 1078 | int ret2 = AndroidRuntime::registerNativeMethods(env, |
| 1079 | "android/media/ImageWriter$WriterSurfaceImage", gImageMethods, NELEM(gImageMethods)); |
| 1080 | |
| 1081 | return (ret1 || ret2); |
| 1082 | } |
| 1083 | |