CameraHardwareStub.cpp revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2008, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "CameraHardwareStub" 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "CameraHardwareStub.h" 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/mman.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "CannedJpeg.h" 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectCameraHardwareStub::CameraHardwareStub() 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mParameters(), 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewHeap(0), 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawHeap(0), 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFakeCamera(0), 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewFrameSize(0), 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawPictureCallback(0), 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegPictureCallback(0), 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPictureCallbackCookie(0), 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback(0), 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallbackCookie(0), 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback(0), 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallbackCookie(0), 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentPreviewFrame(0) 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initDefaultParameters(); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid CameraHardwareStub::initDefaultParameters() 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CameraParameters p; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setPreviewSize(176, 144); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setPreviewFrameRate(15); 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setPreviewFormat("yuv422sp"); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setPictureSize(kCannedJpegWidth, kCannedJpegHeight); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.setPictureFormat("jpeg"); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (setParameters(p) != NO_ERROR) { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Failed to set default parameters?!"); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid CameraHardwareStub::initHeapLocked() 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create raw heap. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int picture_width, picture_height; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParameters.getPictureSize(&picture_width, &picture_height); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawHeap = new MemoryHeapBase(picture_width * 2 * picture_height); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int preview_width, preview_height; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParameters.getPreviewSize(&preview_width, &preview_height); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGD("initHeapLocked: preview size=%dx%d", preview_width, preview_height); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Note that we enforce yuv422 in setParameters(). 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int how_big = preview_width * preview_height * 2; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we are being reinitialized to the same size as before, no 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // work needs to be done. 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (how_big == mPreviewFrameSize) 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewFrameSize = how_big; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make a new mmap'ed heap that can be shared across processes. 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // use code below to test with pmem 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewHeap = new MemoryHeapBase(mPreviewFrameSize * kBufferCount); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make an IMemory for each frame so that we can reuse them in callbacks. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < kBufferCount; i++) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBuffers[i] = new MemoryBase(mPreviewHeap, i * mPreviewFrameSize, mPreviewFrameSize); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Recreate the fake camera to reflect the current size. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mFakeCamera; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFakeCamera = new FakeCamera(preview_width, preview_height); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectCameraHardwareStub::~CameraHardwareStub() 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project delete mFakeCamera; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFakeCamera = 0; // paranoia 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project singleton.clear(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IMemoryHeap> CameraHardwareStub::getPreviewHeap() const 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreviewHeap; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IMemoryHeap> CameraHardwareStub::getRawHeap() const 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mRawHeap; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint CameraHardwareStub::previewThread() 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the attributes below can change under our feet... 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int previewFrameRate = mParameters.getPreviewFrameRate(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find the offset within the heap of the current buffer. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t offset = mCurrentPreviewFrame * mPreviewFrameSize; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<MemoryHeapBase> heap = mPreviewHeap; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this assumes the internal state of fake camera doesn't change 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // (or is thread safe) 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FakeCamera* fakeCamera = mFakeCamera; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<MemoryBase> buffer = mBuffers[mCurrentPreviewFrame]; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: here check all the conditions that could go wrong 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (buffer != 0) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calculate how long to wait between frames. 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int delay = (int)(1000000.0f / float(previewFrameRate)); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is always valid, even if the client died -- the memory 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is still mapped in our process. 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void *base = heap->base(); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Fill the current frame with the fake camera. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint8_t *frame = ((uint8_t *)base) + offset; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fakeCamera->getNextFrameAsYuv422(frame); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //LOGV("previewThread: generated frame to buffer %d", mCurrentPreviewFrame); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Notify the client of a new frame. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback(buffer, mPreviewCallbackCookie); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Advance the buffer pointer. 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentPreviewFrame = (mCurrentPreviewFrame + 1) % kBufferCount; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Wait for it... 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project usleep(delay); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::startPreview(preview_callback cb, void* user) 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(mLock); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewThread != 0) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // already running 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_OPERATION; 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallbackCookie = user; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewThread = new PreviewThread(this); 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid CameraHardwareStub::stopPreview() 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<PreviewThread> previewThread; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { // scope for the lock 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(mLock); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project previewThread = mPreviewThread; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't hold the lock while waiting for the thread to quit 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (previewThread != 0) { 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project previewThread->requestExitAndWait(); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(mLock); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewThread.clear(); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool CameraHardwareStub::previewEnabled() { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreviewThread != 0; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::startRecording(recording_callback cb, void* user) 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid CameraHardwareStub::stopRecording() 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool CameraHardwareStub::recordingEnabled() 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid CameraHardwareStub::releaseRecordingFrame(const sp<IMemory>& mem) 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint CameraHardwareStub::beginAutoFocusThread(void *cookie) 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CameraHardwareStub *c = (CameraHardwareStub *)cookie; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c->autoFocusThread(); 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint CameraHardwareStub::autoFocusThread() 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAutoFocusCallback != NULL) { 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback(true, mAutoFocusCallbackCookie); 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = NULL; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::autoFocus(autofocus_callback af_cb, 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void *user) 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(mLock); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAutoFocusCallback != NULL) { 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAutoFocusCallback == af_cb ? NO_ERROR : INVALID_OPERATION; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = af_cb; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallbackCookie = user; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (createThread(beginAutoFocusThread, this) == false) 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UNKNOWN_ERROR; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/*static*/ int CameraHardwareStub::beginPictureThread(void *cookie) 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CameraHardwareStub *c = (CameraHardwareStub *)cookie; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c->pictureThread(); 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint CameraHardwareStub::pictureThread() 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback) 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback(mPictureCallbackCookie); 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRawPictureCallback) { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //FIXME: use a canned YUV image! 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // In the meantime just make another fake camera picture. 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w, h; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParameters.getPictureSize(&w, &h); 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<MemoryBase> mem = new MemoryBase(mRawHeap, 0, w * 2 * h); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FakeCamera cam(w, h); 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cam.getNextFrameAsYuv422((uint8_t *)mRawHeap->base()); 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRawPictureCallback) 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawPictureCallback(mem, mPictureCallbackCookie); 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mJpegPictureCallback) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<MemoryHeapBase> heap = new MemoryHeapBase(kCannedJpegSize); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<MemoryBase> mem = new MemoryBase(heap, 0, kCannedJpegSize); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(heap->base(), kCannedJpeg, kCannedJpegSize); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mJpegPictureCallback) 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegPictureCallback(mem, mPictureCallbackCookie); 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::takePicture(shutter_callback shutter_cb, 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project raw_callback raw_cb, 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jpeg_callback jpeg_cb, 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user) 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stopPreview(); 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter_cb; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawPictureCallback = raw_cb; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegPictureCallback = jpeg_cb; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPictureCallbackCookie = user; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (createThread(beginPictureThread, this) == false) 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::cancelPicture(bool cancel_shutter, 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool cancel_raw, 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool cancel_jpeg) 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cancel_shutter) mShutterCallback = NULL; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cancel_raw) mRawPictureCallback = NULL; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cancel_jpeg) mJpegPictureCallback = NULL; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::dump(int fd, const Vector<String16>& args) const 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t SIZE = 256; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[SIZE]; 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 result; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AutoMutex lock(&mLock); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFakeCamera != 0) { 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFakeCamera->dump(fd, args); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParameters.dump(fd, args); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " preview frame(%d), size (%d), running(%s)\n", mCurrentPreviewFrame, mPreviewFrameSize, mPreviewRunning?"true": "false"); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append("No camera client yet.\n"); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project write(fd, result.string(), result.size()); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t CameraHardwareStub::setParameters(const CameraParameters& params) 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(mLock); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // XXX verify params 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(params.getPreviewFormat(), "yuv422sp") != 0) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Only yuv422sp preview is supported"); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (strcmp(params.getPictureFormat(), "jpeg") != 0) { 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Only jpeg still pictures are supported"); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int w, h; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.getPictureSize(&w, &h); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w != kCannedJpegWidth && h != kCannedJpegHeight) { 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Still picture size must be size of canned JPEG (%dx%d)", 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project kCannedJpegWidth, kCannedJpegHeight); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mParameters = params; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initHeapLocked(); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectCameraParameters CameraHardwareStub::getParameters() const 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock lock(mLock); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mParameters; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid CameraHardwareStub::release() 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectwp<CameraHardwareInterface> CameraHardwareStub::singleton; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<CameraHardwareInterface> CameraHardwareStub::createInstance() 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (singleton != 0) { 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<CameraHardwareInterface> hardware = singleton.promote(); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hardware != 0) { 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return hardware; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<CameraHardwareInterface> hardware(new CameraHardwareStub()); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project singleton = hardware; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return hardware; 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectextern "C" sp<CameraHardwareInterface> openCameraHardware() 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CameraHardwareStub::createInstance(); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 389