1 /* 2 * Copyright (C) 2014 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_TAG "Legacy-CameraDevice-JNI" 18 // #define LOG_NDEBUG 0 19 #include <utils/Log.h> 20 #include <utils/Errors.h> 21 #include <utils/Trace.h> 22 #include <camera/CameraUtils.h> 23 24 #include "jni.h" 25 #include "JNIHelp.h" 26 #include "android_runtime/AndroidRuntime.h" 27 #include "android_runtime/android_view_Surface.h" 28 #include "android_runtime/android_graphics_SurfaceTexture.h" 29 30 #include <gui/Surface.h> 31 #include <gui/IGraphicBufferProducer.h> 32 #include <ui/GraphicBuffer.h> 33 #include <system/window.h> 34 #include <hardware/camera3.h> 35 #include <system/camera_metadata.h> 36 37 #include <stdint.h> 38 #include <inttypes.h> 39 40 using namespace android; 41 42 // fully-qualified class name 43 #define CAMERA_DEVICE_CLASS_NAME "android/hardware/camera2/legacy/LegacyCameraDevice" 44 #define CAMERA_DEVICE_BUFFER_SLACK 3 45 #define DONT_CARE 0 46 47 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a))) 48 49 #define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) ) 50 51 /** 52 * Convert from RGB 888 to Y'CbCr using the conversion specified in ITU-R BT.601 for 53 * digital RGB with K_b = 0.114, and K_r = 0.299. 54 */ 55 static void rgbToYuv420(uint8_t* rgbBuf, size_t width, size_t height, uint8_t* yPlane, 56 uint8_t* uPlane, uint8_t* vPlane, size_t chromaStep, size_t yStride, size_t chromaStride) { 57 uint8_t R, G, B; 58 size_t index = 0; 59 60 size_t cStrideDiff = chromaStride - width; 61 62 for (size_t j = 0; j < height; j++) { 63 for (size_t i = 0; i < width; i++) { 64 R = rgbBuf[index++]; 65 G = rgbBuf[index++]; 66 B = rgbBuf[index++]; 67 *(yPlane + i) = ((66 * R + 129 * G + 25 * B + 128) >> 8) + 16; 68 69 if (j % 2 == 0 && i % 2 == 0){ 70 *uPlane = (( -38 * R - 74 * G + 112 * B + 128) >> 8) + 128; 71 *vPlane = (( 112 * R - 94 * G - 18 * B + 128) >> 8) + 128; 72 uPlane += chromaStep; 73 vPlane += chromaStep; 74 } 75 // Skip alpha 76 index++; 77 } 78 yPlane += yStride; 79 if (j % 2 == 0) { 80 uPlane += cStrideDiff; 81 vPlane += cStrideDiff; 82 } 83 } 84 } 85 86 static void rgbToYuv420(uint8_t* rgbBuf, size_t width, size_t height, android_ycbcr* ycbcr) { 87 size_t cStep = ycbcr->chroma_step; 88 size_t cStride = ycbcr->cstride; 89 size_t yStride = ycbcr->ystride; 90 rgbToYuv420(rgbBuf, width, height, reinterpret_cast<uint8_t*>(ycbcr->y), 91 reinterpret_cast<uint8_t*>(ycbcr->cb), reinterpret_cast<uint8_t*>(ycbcr->cr), 92 cStep, yStride, cStride); 93 } 94 95 static status_t configureSurface(const sp<ANativeWindow>& anw, 96 int32_t width, 97 int32_t height, 98 int32_t pixelFmt, 99 int32_t maxBufferSlack) { 100 status_t err = NO_ERROR; 101 err = native_window_set_buffers_dimensions(anw.get(), width, height); 102 if (err != NO_ERROR) { 103 ALOGE("%s: Failed to set native window buffer dimensions, error %s (%d).", __FUNCTION__, 104 strerror(-err), err); 105 return err; 106 } 107 108 err = native_window_set_buffers_format(anw.get(), pixelFmt); 109 if (err != NO_ERROR) { 110 ALOGE("%s: Failed to set native window buffer format, error %s (%d).", __FUNCTION__, 111 strerror(-err), err); 112 return err; 113 } 114 115 err = native_window_set_usage(anw.get(), GRALLOC_USAGE_SW_WRITE_OFTEN); 116 if (err != NO_ERROR) { 117 ALOGE("%s: Failed to set native window usage flag, error %s (%d).", __FUNCTION__, 118 strerror(-err), err); 119 return err; 120 } 121 122 int minUndequeuedBuffers; 123 err = anw.get()->query(anw.get(), 124 NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, 125 &minUndequeuedBuffers); 126 if (err != NO_ERROR) { 127 ALOGE("%s: Failed to get native window min undequeued buffers, error %s (%d).", 128 __FUNCTION__, strerror(-err), err); 129 return err; 130 } 131 132 ALOGV("%s: Setting buffer count to %d, size to (%dx%d), fmt (0x%x)", __FUNCTION__, 133 maxBufferSlack + 1 + minUndequeuedBuffers, 134 width, height, pixelFmt); 135 err = native_window_set_buffer_count(anw.get(), maxBufferSlack + 1 + minUndequeuedBuffers); 136 if (err != NO_ERROR) { 137 ALOGE("%s: Failed to set native window buffer count, error %s (%d).", __FUNCTION__, 138 strerror(-err), err); 139 return err; 140 } 141 return NO_ERROR; 142 } 143 144 /** 145 * Produce a frame in the given surface. 146 * 147 * Args: 148 * anw - a surface to produce a frame in. 149 * pixelBuffer - image buffer to generate a frame from. 150 * width - width of the pixelBuffer in pixels. 151 * height - height of the pixelBuffer in pixels. 152 * pixelFmt - format of the pixelBuffer, one of: 153 * HAL_PIXEL_FORMAT_YCrCb_420_SP, 154 * HAL_PIXEL_FORMAT_YCbCr_420_888, 155 * HAL_PIXEL_FORMAT_BLOB 156 * bufSize - the size of the pixelBuffer in bytes. 157 */ 158 static status_t produceFrame(const sp<ANativeWindow>& anw, 159 uint8_t* pixelBuffer, 160 int32_t bufWidth, // Width of the pixelBuffer 161 int32_t bufHeight, // Height of the pixelBuffer 162 int32_t pixelFmt, // Format of the pixelBuffer 163 int32_t bufSize) { 164 ATRACE_CALL(); 165 status_t err = NO_ERROR; 166 ANativeWindowBuffer* anb; 167 ALOGV("%s: Dequeue buffer from %p %dx%d (fmt=%x, size=%x)", 168 __FUNCTION__, anw.get(), bufWidth, bufHeight, pixelFmt, bufSize); 169 170 if (anw == 0) { 171 ALOGE("%s: anw must not be NULL", __FUNCTION__); 172 return BAD_VALUE; 173 } else if (pixelBuffer == NULL) { 174 ALOGE("%s: pixelBuffer must not be NULL", __FUNCTION__); 175 return BAD_VALUE; 176 } else if (bufWidth < 0) { 177 ALOGE("%s: width must be non-negative", __FUNCTION__); 178 return BAD_VALUE; 179 } else if (bufHeight < 0) { 180 ALOGE("%s: height must be non-negative", __FUNCTION__); 181 return BAD_VALUE; 182 } else if (bufSize < 0) { 183 ALOGE("%s: bufSize must be non-negative", __FUNCTION__); 184 return BAD_VALUE; 185 } 186 187 size_t width = static_cast<size_t>(bufWidth); 188 size_t height = static_cast<size_t>(bufHeight); 189 size_t bufferLength = static_cast<size_t>(bufSize); 190 191 // TODO: Switch to using Surface::lock and Surface::unlockAndPost 192 err = native_window_dequeue_buffer_and_wait(anw.get(), &anb); 193 if (err != NO_ERROR) return err; 194 195 sp<GraphicBuffer> buf(new GraphicBuffer(anb, /*keepOwnership*/false)); 196 uint32_t grallocBufWidth = buf->getWidth(); 197 uint32_t grallocBufHeight = buf->getHeight(); 198 uint32_t grallocBufStride = buf->getStride(); 199 if (grallocBufWidth != width || grallocBufHeight != height) { 200 ALOGE("%s: Received gralloc buffer with bad dimensions %" PRIu32 "x%" PRIu32 201 ", expecting dimensions %zu x %zu", __FUNCTION__, grallocBufWidth, 202 grallocBufHeight, width, height); 203 return BAD_VALUE; 204 } 205 206 int32_t bufFmt = 0; 207 err = anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &bufFmt); 208 if (err != NO_ERROR) { 209 ALOGE("%s: Error while querying surface pixel format %s (%d).", __FUNCTION__, 210 strerror(-err), err); 211 return err; 212 } 213 214 uint64_t tmpSize = (pixelFmt == HAL_PIXEL_FORMAT_BLOB) ? grallocBufWidth : 215 4 * grallocBufHeight * grallocBufWidth; 216 if (bufFmt != pixelFmt) { 217 if (bufFmt == HAL_PIXEL_FORMAT_RGBA_8888 && pixelFmt == HAL_PIXEL_FORMAT_BLOB) { 218 ALOGV("%s: Using BLOB to RGBA format override.", __FUNCTION__); 219 tmpSize = 4 * (grallocBufWidth + grallocBufStride * (grallocBufHeight - 1)); 220 } else { 221 ALOGW("%s: Format mismatch in produceFrame: expecting format %#" PRIx32 222 ", but received buffer with format %#" PRIx32, __FUNCTION__, pixelFmt, bufFmt); 223 } 224 } 225 226 if (tmpSize > SIZE_MAX) { 227 ALOGE("%s: Overflow calculating size, buffer with dimens %zu x %zu is absurdly large...", 228 __FUNCTION__, width, height); 229 return BAD_VALUE; 230 } 231 232 size_t totalSizeBytes = tmpSize; 233 234 switch(pixelFmt) { 235 case HAL_PIXEL_FORMAT_YCrCb_420_SP: { 236 if (bufferLength < totalSizeBytes) { 237 ALOGE("%s: PixelBuffer size %zu too small for given dimensions", 238 __FUNCTION__, bufferLength); 239 return BAD_VALUE; 240 } 241 uint8_t* img = NULL; 242 ALOGV("%s: Lock buffer from %p for write", __FUNCTION__, anw.get()); 243 err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img)); 244 if (err != NO_ERROR) return err; 245 246 uint8_t* yPlane = img; 247 uint8_t* uPlane = img + height * width; 248 uint8_t* vPlane = uPlane + 1; 249 size_t chromaStep = 2; 250 size_t yStride = width; 251 size_t chromaStride = width; 252 253 rgbToYuv420(pixelBuffer, width, height, yPlane, 254 uPlane, vPlane, chromaStep, yStride, chromaStride); 255 break; 256 } 257 case HAL_PIXEL_FORMAT_YV12: { 258 if (bufferLength < totalSizeBytes) { 259 ALOGE("%s: PixelBuffer size %zu too small for given dimensions", 260 __FUNCTION__, bufferLength); 261 return BAD_VALUE; 262 } 263 264 if ((width & 1) || (height & 1)) { 265 ALOGE("%s: Dimens %zu x %zu are not divisible by 2.", __FUNCTION__, width, height); 266 return BAD_VALUE; 267 } 268 269 uint8_t* img = NULL; 270 ALOGV("%s: Lock buffer from %p for write", __FUNCTION__, anw.get()); 271 err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img)); 272 if (err != NO_ERROR) { 273 ALOGE("%s: Error %s (%d) while locking gralloc buffer for write.", __FUNCTION__, 274 strerror(-err), err); 275 return err; 276 } 277 278 uint32_t stride = buf->getStride(); 279 LOG_ALWAYS_FATAL_IF(stride % 16, "Stride is not 16 pixel aligned %d", stride); 280 281 uint32_t cStride = ALIGN(stride / 2, 16); 282 size_t chromaStep = 1; 283 284 uint8_t* yPlane = img; 285 uint8_t* crPlane = img + static_cast<uint32_t>(height) * stride; 286 uint8_t* cbPlane = crPlane + cStride * static_cast<uint32_t>(height) / 2; 287 288 rgbToYuv420(pixelBuffer, width, height, yPlane, 289 crPlane, cbPlane, chromaStep, stride, cStride); 290 break; 291 } 292 case HAL_PIXEL_FORMAT_YCbCr_420_888: { 293 // Software writes with YCbCr_420_888 format are unsupported 294 // by the gralloc module for now 295 if (bufferLength < totalSizeBytes) { 296 ALOGE("%s: PixelBuffer size %zu too small for given dimensions", 297 __FUNCTION__, bufferLength); 298 return BAD_VALUE; 299 } 300 android_ycbcr ycbcr = android_ycbcr(); 301 ALOGV("%s: Lock buffer from %p for write", __FUNCTION__, anw.get()); 302 303 err = buf->lockYCbCr(GRALLOC_USAGE_SW_WRITE_OFTEN, &ycbcr); 304 if (err != NO_ERROR) { 305 ALOGE("%s: Failed to lock ycbcr buffer, error %s (%d).", __FUNCTION__, 306 strerror(-err), err); 307 return err; 308 } 309 rgbToYuv420(pixelBuffer, width, height, &ycbcr); 310 break; 311 } 312 case HAL_PIXEL_FORMAT_BLOB: { 313 int8_t* img = NULL; 314 struct camera3_jpeg_blob footer = { 315 jpeg_blob_id: CAMERA3_JPEG_BLOB_ID, 316 jpeg_size: (uint32_t)bufferLength 317 }; 318 319 size_t totalJpegSize = bufferLength + sizeof(footer); 320 totalJpegSize = (totalJpegSize + 3) & ~0x3; // round up to nearest octonibble 321 322 if (totalJpegSize > totalSizeBytes) { 323 ALOGE("%s: Pixel buffer needs size %zu, cannot fit in gralloc buffer of size %zu", 324 __FUNCTION__, totalJpegSize, totalSizeBytes); 325 return BAD_VALUE; 326 } 327 328 err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img)); 329 if (err != NO_ERROR) { 330 ALOGE("%s: Failed to lock buffer, error %s (%d).", __FUNCTION__, strerror(-err), 331 err); 332 return err; 333 } 334 335 memcpy(img, pixelBuffer, bufferLength); 336 memcpy(img + totalSizeBytes - sizeof(footer), &footer, sizeof(footer)); 337 break; 338 } 339 default: { 340 ALOGE("%s: Invalid pixel format in produceFrame: %x", __FUNCTION__, pixelFmt); 341 return BAD_VALUE; 342 } 343 } 344 345 ALOGV("%s: Unlock buffer from %p", __FUNCTION__, anw.get()); 346 err = buf->unlock(); 347 if (err != NO_ERROR) { 348 ALOGE("%s: Failed to unlock buffer, error %s (%d).", __FUNCTION__, strerror(-err), err); 349 return err; 350 } 351 352 ALOGV("%s: Queue buffer to %p", __FUNCTION__, anw.get()); 353 err = anw->queueBuffer(anw.get(), buf->getNativeBuffer(), /*fenceFd*/-1); 354 if (err != NO_ERROR) { 355 ALOGE("%s: Failed to queue buffer, error %s (%d).", __FUNCTION__, strerror(-err), err); 356 return err; 357 } 358 return NO_ERROR; 359 } 360 361 static sp<ANativeWindow> getNativeWindow(JNIEnv* env, jobject surface) { 362 sp<ANativeWindow> anw; 363 if (surface) { 364 anw = android_view_Surface_getNativeWindow(env, surface); 365 if (env->ExceptionCheck()) { 366 return NULL; 367 } 368 } else { 369 jniThrowNullPointerException(env, "surface"); 370 return NULL; 371 } 372 if (anw == NULL) { 373 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 374 "Surface had no valid native window."); 375 return NULL; 376 } 377 return anw; 378 } 379 380 static sp<ANativeWindow> getNativeWindowFromTexture(JNIEnv* env, jobject surfaceTexture) { 381 sp<ANativeWindow> anw; 382 if (surfaceTexture) { 383 anw = android_SurfaceTexture_getNativeWindow(env, surfaceTexture); 384 if (env->ExceptionCheck()) { 385 return NULL; 386 } 387 } else { 388 jniThrowNullPointerException(env, "surfaceTexture"); 389 return NULL; 390 } 391 if (anw == NULL) { 392 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 393 "SurfaceTexture had no valid native window."); 394 return NULL; 395 } 396 return anw; 397 } 398 399 static sp<Surface> getSurface(JNIEnv* env, jobject surface) { 400 sp<Surface> s; 401 if (surface) { 402 s = android_view_Surface_getSurface(env, surface); 403 if (env->ExceptionCheck()) { 404 return NULL; 405 } 406 } else { 407 jniThrowNullPointerException(env, "surface"); 408 return NULL; 409 } 410 if (s == NULL) { 411 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", 412 "Surface had no valid native Surface."); 413 return NULL; 414 } 415 return s; 416 } 417 418 extern "C" { 419 420 static jint LegacyCameraDevice_nativeDetectSurfaceType(JNIEnv* env, jobject thiz, jobject surface) { 421 ALOGV("nativeDetectSurfaceType"); 422 sp<ANativeWindow> anw; 423 if ((anw = getNativeWindow(env, surface)) == NULL) { 424 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 425 return BAD_VALUE; 426 } 427 int32_t fmt = 0; 428 status_t err = anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &fmt); 429 if(err != NO_ERROR) { 430 ALOGE("%s: Error while querying surface pixel format %s (%d).", __FUNCTION__, strerror(-err), 431 err); 432 return err; 433 } 434 return fmt; 435 } 436 437 static jint LegacyCameraDevice_nativeDetectSurfaceDimens(JNIEnv* env, jobject thiz, 438 jobject surface, jintArray dimens) { 439 ALOGV("nativeGetSurfaceDimens"); 440 441 if (dimens == NULL) { 442 ALOGE("%s: Null dimens argument passed to nativeDetectSurfaceDimens", __FUNCTION__); 443 return BAD_VALUE; 444 } 445 446 if (env->GetArrayLength(dimens) < 2) { 447 ALOGE("%s: Invalid length of dimens argument in nativeDetectSurfaceDimens", __FUNCTION__); 448 return BAD_VALUE; 449 } 450 451 sp<ANativeWindow> anw; 452 if ((anw = getNativeWindow(env, surface)) == NULL) { 453 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 454 return BAD_VALUE; 455 } 456 int32_t dimenBuf[2]; 457 status_t err = anw->query(anw.get(), NATIVE_WINDOW_WIDTH, dimenBuf); 458 if(err != NO_ERROR) { 459 ALOGE("%s: Error while querying surface width %s (%d).", __FUNCTION__, strerror(-err), 460 err); 461 return err; 462 } 463 err = anw->query(anw.get(), NATIVE_WINDOW_HEIGHT, dimenBuf + 1); 464 if(err != NO_ERROR) { 465 ALOGE("%s: Error while querying surface height %s (%d).", __FUNCTION__, strerror(-err), 466 err); 467 return err; 468 } 469 env->SetIntArrayRegion(dimens, /*start*/0, /*length*/ARRAY_SIZE(dimenBuf), dimenBuf); 470 return NO_ERROR; 471 } 472 473 static jint LegacyCameraDevice_nativeDetectTextureDimens(JNIEnv* env, jobject thiz, 474 jobject surfaceTexture, jintArray dimens) { 475 ALOGV("nativeDetectTextureDimens"); 476 sp<ANativeWindow> anw; 477 if ((anw = getNativeWindowFromTexture(env, surfaceTexture)) == NULL) { 478 ALOGE("%s: Could not retrieve native window from SurfaceTexture.", __FUNCTION__); 479 return BAD_VALUE; 480 } 481 482 int32_t dimenBuf[2]; 483 status_t err = anw->query(anw.get(), NATIVE_WINDOW_WIDTH, dimenBuf); 484 if(err != NO_ERROR) { 485 ALOGE("%s: Error while querying SurfaceTexture width %s (%d)", __FUNCTION__, 486 strerror(-err), err); 487 return err; 488 } 489 490 err = anw->query(anw.get(), NATIVE_WINDOW_HEIGHT, dimenBuf + 1); 491 if(err != NO_ERROR) { 492 ALOGE("%s: Error while querying SurfaceTexture height %s (%d)", __FUNCTION__, 493 strerror(-err), err); 494 return err; 495 } 496 497 env->SetIntArrayRegion(dimens, /*start*/0, /*length*/ARRAY_SIZE(dimenBuf), dimenBuf); 498 if (env->ExceptionCheck()) { 499 return BAD_VALUE; 500 } 501 return NO_ERROR; 502 } 503 504 static jint LegacyCameraDevice_nativeConfigureSurface(JNIEnv* env, jobject thiz, jobject surface, 505 jint width, jint height, jint pixelFormat) { 506 ALOGV("nativeConfigureSurface"); 507 sp<ANativeWindow> anw; 508 if ((anw = getNativeWindow(env, surface)) == NULL) { 509 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 510 return BAD_VALUE; 511 } 512 status_t err = configureSurface(anw, width, height, pixelFormat, CAMERA_DEVICE_BUFFER_SLACK); 513 if (err != NO_ERROR) { 514 ALOGE("%s: Error while configuring surface %s (%d).", __FUNCTION__, strerror(-err), err); 515 return err; 516 } 517 return NO_ERROR; 518 } 519 520 static jint LegacyCameraDevice_nativeProduceFrame(JNIEnv* env, jobject thiz, jobject surface, 521 jbyteArray pixelBuffer, jint width, jint height, jint pixelFormat) { 522 ALOGV("nativeProduceFrame"); 523 sp<ANativeWindow> anw; 524 525 if ((anw = getNativeWindow(env, surface)) == NULL) { 526 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 527 return BAD_VALUE; 528 } 529 530 if (pixelBuffer == NULL) { 531 jniThrowNullPointerException(env, "pixelBuffer"); 532 return DONT_CARE; 533 } 534 535 int32_t bufSize = static_cast<int32_t>(env->GetArrayLength(pixelBuffer)); 536 jbyte* pixels = env->GetByteArrayElements(pixelBuffer, /*is_copy*/NULL); 537 538 if (pixels == NULL) { 539 jniThrowNullPointerException(env, "pixels"); 540 return DONT_CARE; 541 } 542 543 status_t err = produceFrame(anw, reinterpret_cast<uint8_t*>(pixels), width, height, 544 pixelFormat, bufSize); 545 env->ReleaseByteArrayElements(pixelBuffer, pixels, JNI_ABORT); 546 547 if (err != NO_ERROR) { 548 ALOGE("%s: Error while producing frame %s (%d).", __FUNCTION__, strerror(-err), err); 549 return err; 550 } 551 return NO_ERROR; 552 } 553 554 static jint LegacyCameraDevice_nativeSetSurfaceFormat(JNIEnv* env, jobject thiz, jobject surface, 555 jint pixelFormat) { 556 ALOGV("nativeSetSurfaceType"); 557 sp<ANativeWindow> anw; 558 if ((anw = getNativeWindow(env, surface)) == NULL) { 559 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 560 return BAD_VALUE; 561 } 562 status_t err = native_window_set_buffers_format(anw.get(), pixelFormat); 563 if (err != NO_ERROR) { 564 ALOGE("%s: Error while setting surface format %s (%d).", __FUNCTION__, strerror(-err), err); 565 return err; 566 } 567 return NO_ERROR; 568 } 569 570 static jint LegacyCameraDevice_nativeSetSurfaceDimens(JNIEnv* env, jobject thiz, jobject surface, 571 jint width, jint height) { 572 ALOGV("nativeSetSurfaceDimens"); 573 sp<ANativeWindow> anw; 574 if ((anw = getNativeWindow(env, surface)) == NULL) { 575 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 576 return BAD_VALUE; 577 } 578 status_t err = native_window_set_buffers_dimensions(anw.get(), width, height); 579 if (err != NO_ERROR) { 580 ALOGE("%s: Error while setting surface dimens %s (%d).", __FUNCTION__, strerror(-err), err); 581 return err; 582 } 583 584 // WAR - Set user dimensions also to avoid incorrect scaling after TextureView orientation 585 // change. 586 err = native_window_set_buffers_user_dimensions(anw.get(), width, height); 587 if (err != NO_ERROR) { 588 ALOGE("%s: Error while setting surface user dimens %s (%d).", __FUNCTION__, strerror(-err), 589 err); 590 return err; 591 } 592 return NO_ERROR; 593 } 594 595 static jlong LegacyCameraDevice_nativeGetSurfaceId(JNIEnv* env, jobject thiz, jobject surface) { 596 ALOGV("nativeGetSurfaceId"); 597 sp<Surface> s; 598 if ((s = getSurface(env, surface)) == NULL) { 599 ALOGE("%s: Could not retrieve native Surface from surface.", __FUNCTION__); 600 return 0; 601 } 602 sp<IGraphicBufferProducer> gbp = s->getIGraphicBufferProducer(); 603 if (gbp == NULL) { 604 ALOGE("%s: Could not retrieve IGraphicBufferProducer from surface.", __FUNCTION__); 605 return 0; 606 } 607 sp<IBinder> b = gbp->asBinder(); 608 if (b == NULL) { 609 ALOGE("%s: Could not retrieve IBinder from surface.", __FUNCTION__); 610 return 0; 611 } 612 /* 613 * FIXME: Use better unique ID for surfaces than native IBinder pointer. Fix also in the camera 614 * service (CameraDeviceClient.h). 615 */ 616 return reinterpret_cast<jlong>(b.get()); 617 } 618 619 static jint LegacyCameraDevice_nativeSetSurfaceOrientation(JNIEnv* env, jobject thiz, 620 jobject surface, jint facing, jint orientation) { 621 ALOGV("nativeSetSurfaceOrientation"); 622 sp<ANativeWindow> anw; 623 if ((anw = getNativeWindow(env, surface)) == NULL) { 624 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 625 return BAD_VALUE; 626 } 627 628 status_t err = NO_ERROR; 629 CameraMetadata staticMetadata; 630 631 int32_t orientVal = static_cast<int32_t>(orientation); 632 uint8_t facingVal = static_cast<uint8_t>(facing); 633 staticMetadata.update(ANDROID_SENSOR_ORIENTATION, &orientVal, 1); 634 staticMetadata.update(ANDROID_LENS_FACING, &facingVal, 1); 635 636 int32_t transform = 0; 637 638 if ((err = CameraUtils::getRotationTransform(staticMetadata, /*out*/&transform)) != NO_ERROR) { 639 ALOGE("%s: Invalid rotation transform %s (%d)", __FUNCTION__, strerror(-err), 640 err); 641 return err; 642 } 643 644 ALOGV("%s: Setting buffer sticky transform to %d", __FUNCTION__, transform); 645 646 if ((err = native_window_set_buffers_sticky_transform(anw.get(), transform)) != NO_ERROR) { 647 ALOGE("%s: Unable to configure surface transform, error %s (%d)", __FUNCTION__, 648 strerror(-err), err); 649 return err; 650 } 651 652 return NO_ERROR; 653 } 654 655 static jint LegacyCameraDevice_nativeSetNextTimestamp(JNIEnv* env, jobject thiz, jobject surface, 656 jlong timestamp) { 657 ALOGV("nativeSetNextTimestamp"); 658 sp<ANativeWindow> anw; 659 if ((anw = getNativeWindow(env, surface)) == NULL) { 660 ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__); 661 return BAD_VALUE; 662 } 663 664 status_t err = NO_ERROR; 665 666 if ((err = native_window_set_buffers_timestamp(anw.get(), static_cast<int64_t>(timestamp))) != 667 NO_ERROR) { 668 ALOGE("%s: Unable to set surface timestamp, error %s (%d)", __FUNCTION__, strerror(-err), 669 err); 670 return err; 671 } 672 return NO_ERROR; 673 } 674 675 static jint LegacyCameraDevice_nativeGetJpegFooterSize(JNIEnv* env, jobject thiz) { 676 ALOGV("nativeGetJpegFooterSize"); 677 return static_cast<jint>(sizeof(struct camera3_jpeg_blob)); 678 } 679 680 } // extern "C" 681 682 static JNINativeMethod gCameraDeviceMethods[] = { 683 { "nativeDetectSurfaceType", 684 "(Landroid/view/Surface;)I", 685 (void *)LegacyCameraDevice_nativeDetectSurfaceType }, 686 { "nativeDetectSurfaceDimens", 687 "(Landroid/view/Surface;[I)I", 688 (void *)LegacyCameraDevice_nativeDetectSurfaceDimens }, 689 { "nativeConfigureSurface", 690 "(Landroid/view/Surface;III)I", 691 (void *)LegacyCameraDevice_nativeConfigureSurface }, 692 { "nativeProduceFrame", 693 "(Landroid/view/Surface;[BIII)I", 694 (void *)LegacyCameraDevice_nativeProduceFrame }, 695 { "nativeSetSurfaceFormat", 696 "(Landroid/view/Surface;I)I", 697 (void *)LegacyCameraDevice_nativeSetSurfaceFormat }, 698 { "nativeSetSurfaceDimens", 699 "(Landroid/view/Surface;II)I", 700 (void *)LegacyCameraDevice_nativeSetSurfaceDimens }, 701 { "nativeGetSurfaceId", 702 "(Landroid/view/Surface;)J", 703 (void *)LegacyCameraDevice_nativeGetSurfaceId }, 704 { "nativeDetectTextureDimens", 705 "(Landroid/graphics/SurfaceTexture;[I)I", 706 (void *)LegacyCameraDevice_nativeDetectTextureDimens }, 707 { "nativeSetSurfaceOrientation", 708 "(Landroid/view/Surface;II)I", 709 (void *)LegacyCameraDevice_nativeSetSurfaceOrientation }, 710 { "nativeSetNextTimestamp", 711 "(Landroid/view/Surface;J)I", 712 (void *)LegacyCameraDevice_nativeSetNextTimestamp }, 713 { "nativeGetJpegFooterSize", 714 "()I", 715 (void *)LegacyCameraDevice_nativeGetJpegFooterSize }, 716 }; 717 718 // Get all the required offsets in java class and register native functions 719 int register_android_hardware_camera2_legacy_LegacyCameraDevice(JNIEnv* env) 720 { 721 // Register native functions 722 return AndroidRuntime::registerNativeMethods(env, 723 CAMERA_DEVICE_CLASS_NAME, 724 gCameraDeviceMethods, 725 NELEM(gCameraDeviceMethods)); 726 } 727 728
