CameraClient.cpp revision 44f120fa169cb3131ec853c638ea9c88a9b33b97
15e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala/* 25e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * Copyright (C) 2012 The Android Open Source Project 35e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * 45e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * Licensed under the Apache License, Version 2.0 (the "License"); 55e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * you may not use this file except in compliance with the License. 65e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * You may obtain a copy of the License at 75e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * 85e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * http://www.apache.org/licenses/LICENSE-2.0 95e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * 105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * Unless required by applicable law or agreed to in writing, software 115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * distributed under the License is distributed on an "AS IS" BASIS, 125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * See the License for the specific language governing permissions and 145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala * limitations under the License. 155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala */ 165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#define LOG_TAG "CameraClient" 185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala//#define LOG_NDEBUG 0 195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include <cutils/properties.h> 215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include <gui/SurfaceTextureClient.h> 225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include <gui/Surface.h> 235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include "CameraClient.h" 255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include "CameraHardwareInterface.h" 265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#include "CameraService.h" 275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalanamespace android { 295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatic int getCallingPid() { 345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return IPCThreadState::self()->getCallingPid(); 355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatic int getCallingUid() { 385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return IPCThreadState::self()->getCallingUid(); 395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville TalvalaCameraClient::CameraClient(const sp<CameraService>& cameraService, 425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<ICameraClient>& cameraClient, 43ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin int cameraId, int cameraFacing, int clientPid, int servicePid): 445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Client(cameraService, cameraClient, 45ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin cameraId, cameraFacing, clientPid, servicePid) 465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala{ 475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("CameraClient::CameraClient E (pid %d, id %d)", callingPid, cameraId); 495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 50f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mHardware = NULL; 515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mMsgEnabled = 0; 525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mSurface = 0; 535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewWindow = 0; 545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mDestructionStarted = false; 555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Callback is disabled by default 575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT); 595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPlayShutterSound = true; 605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("CameraClient::CameraClient X (pid %d, id %d)", callingPid, cameraId); 615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 63f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvalastatus_t CameraClient::initialize(camera_module_t *module) { 64f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala int callingPid = getCallingPid(); 65f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala LOG1("CameraClient::initialize E (pid %d, id %d)", callingPid, mCameraId); 66f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 67f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala char camera_device_name[10]; 68f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala status_t res; 69f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala snprintf(camera_device_name, sizeof(camera_device_name), "%d", mCameraId); 70f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 71f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mHardware = new CameraHardwareInterface(camera_device_name); 72f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala res = mHardware->initialize(&module->common); 73f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala if (res != OK) { 74f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala ALOGE("%s: Camera %d: unable to initialize device: %s (%d)", 75f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala __FUNCTION__, mCameraId, strerror(-res), res); 7644f120fa169cb3131ec853c638ea9c88a9b33b97Igor Murashkin mHardware.clear(); 77f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala return NO_INIT; 78f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala } 79f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 80f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala mHardware->setCallbacks(notifyCallback, 81f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala dataCallback, 82f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala dataCallbackTimestamp, 83f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala (void *)mCameraId); 84f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 85f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala // Enable zoom, error, focus, and metadata messages by default 86f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala enableMsgType(CAMERA_MSG_ERROR | CAMERA_MSG_ZOOM | CAMERA_MSG_FOCUS | 87f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala CAMERA_MSG_PREVIEW_METADATA | CAMERA_MSG_FOCUS_MOVE); 88f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 89f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala LOG1("CameraClient::initialize X (pid %d, id %d)", callingPid, mCameraId); 90f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala return OK; 91f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala} 92f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 93f69c70ded4316ea3ee504ac779bd024433ed4ef7Eino-Ville Talvala 945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// tear down the client 955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville TalvalaCameraClient::~CameraClient() { 965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // this lock should never be NULL 975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex* lock = mCameraService->getClientLockById(mCameraId); 985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala lock->lock(); 995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mDestructionStarted = true; 1005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // client will not be accessed from callback. should unlock to prevent dead-lock in disconnect 1015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala lock->unlock(); 1025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 1035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("CameraClient::~CameraClient E (pid %d, this %p)", callingPid, this); 1045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // set mClientPid to let disconnet() tear down the hardware 1065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mClientPid = callingPid; 1075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disconnect(); 1085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("CameraClient::~CameraClient X (pid %d, this %p)", callingPid, this); 1095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 1105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::dump(int fd, const Vector<String16>& args) { 1125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const size_t SIZE = 256; 1135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala char buffer[SIZE]; 1145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala size_t len = snprintf(buffer, SIZE, "Client[%d] (%p) PID: %d\n", 1165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraId, 1175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala getCameraClient()->asBinder().get(), 1185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mClientPid); 1195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala len = (len > SIZE - 1) ? SIZE - 1 : len; 1205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala write(fd, buffer, len); 1215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->dump(fd, args); 1225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 1235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// ---------------------------------------------------------------------------- 1255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::checkPid() const { 1275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 128ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin if (callingPid == mClientPid || callingPid == mServicePid) return NO_ERROR; 1295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGW("attempt to use a locked camera from a different process" 1315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala " (old pid %d, new pid %d)", mClientPid, callingPid); 1325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return EBUSY; 1335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 1345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::checkPidAndHardware() const { 1365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPid(); 1375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 1385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mHardware == 0) { 1395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("attempt to use a camera after disconnect() (pid %d)", getCallingPid()); 1405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return INVALID_OPERATION; 1415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 1425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 1435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 1445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::lock() { 1465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 1475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("lock (pid %d)", callingPid); 1485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 1495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // lock camera to this client if the the camera is unlocked 1515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mClientPid == 0) { 1525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mClientPid = callingPid; 1535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 1545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 1555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // returns NO_ERROR if the client already owns the camera, EBUSY otherwise 1575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return checkPid(); 1585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 1595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::unlock() { 1615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 1625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("unlock (pid %d)", callingPid); 1635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 1645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // allow anyone to use camera (after they lock the camera) 1665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPid(); 1675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result == NO_ERROR) { 1685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mHardware->recordingEnabled()) { 1695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("Not allowed to unlock camera during recording."); 1705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return INVALID_OPERATION; 1715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 1725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mClientPid = 0; 1735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("clear mCameraClient (pid %d)", callingPid); 1745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // we need to remove the reference to ICameraClient so that when the app 1755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // goes away, the reference count goes to 0. 1765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraClient.clear(); 1775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 1785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return result; 1795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 1805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// connect a new client to the camera 1825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::connect(const sp<ICameraClient>& client) { 1835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 1845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("connect E (pid %d)", callingPid); 1855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 1865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mClientPid != 0 && checkPid() != NO_ERROR) { 1885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGW("Tried to connect to a locked camera (old pid %d, new pid %d)", 1895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mClientPid, callingPid); 1905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return EBUSY; 1915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 1925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mCameraClient != 0 && (client->asBinder() == mCameraClient->asBinder())) { 1945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("Connect to the same client"); 1955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 1965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 1975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 1985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 1995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mClientPid = callingPid; 2005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraClient = client; 2015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("connect X (pid %d)", callingPid); 2035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 2045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 2055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatic void disconnectWindow(const sp<ANativeWindow>& window) { 2075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (window != 0) { 2085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = native_window_api_disconnect(window.get(), 2095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala NATIVE_WINDOW_API_CAMERA); 2105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) { 2115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGW("native_window_api_disconnect failed: %s (%d)", strerror(-result), 2125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result); 2135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 2165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::disconnect() { 2185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int callingPid = getCallingPid(); 2195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("disconnect E (pid %d)", callingPid); 2205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 2215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPid() != NO_ERROR) { 2235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGW("different client - don't disconnect"); 2245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 2255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mClientPid <= 0) { 2285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("camera is unlocked (mClientPid = %d), don't tear down hardware", mClientPid); 2295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 2305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Make sure disconnect() is done once and once only, whether it is called 2335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // from the user directly, or called by the destructor. 2345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mHardware == 0) return; 2355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("hardware teardown"); 2375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Before destroying mHardware, we must make sure it's in the 2385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // idle state. 2395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Turn off all messages. 2405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_ALL_MSGS); 2415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->stopPreview(); 2425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->cancelPicture(); 2435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Release the hardware resources. 2445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->release(); 2455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Release the held ANativeWindow resources. 2475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPreviewWindow != 0) { 2485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disconnectWindow(mPreviewWindow); 2495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewWindow = 0; 2505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->setPreviewWindow(mPreviewWindow); 2515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware.clear(); 2535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CameraService::Client::disconnect(); 2555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("disconnect X (pid %d)", callingPid); 2575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 2585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// ---------------------------------------------------------------------------- 2605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::setPreviewWindow(const sp<IBinder>& binder, 2625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<ANativeWindow>& window) { 2635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 2645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 2655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 2665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // return if no change in surface. 2685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (binder == mSurface) { 2695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 2705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (window != 0) { 2735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result = native_window_api_connect(window.get(), NATIVE_WINDOW_API_CAMERA); 2745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) { 2755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("native_window_api_connect failed: %s (%d)", strerror(-result), 2765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result); 2775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return result; 2785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // If preview has been already started, register preview buffers now. 2825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mHardware->previewEnabled()) { 2835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (window != 0) { 2845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala native_window_set_scaling_mode(window.get(), 2855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); 2865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala native_window_set_buffers_transform(window.get(), mOrientation); 2875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result = mHardware->setPreviewWindow(window); 2885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 2905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 2915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result == NO_ERROR) { 2925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Everything has succeeded. Disconnect the old window and remember the 2935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // new window. 2945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disconnectWindow(mPreviewWindow); 2955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mSurface = binder; 2965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewWindow = window; 2975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else { 2985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Something went wrong after we connected to the new window, so 2995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // disconnect here. 3005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disconnectWindow(window); 3015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return result; 3045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// set the Surface that the preview will use 3075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::setPreviewDisplay(const sp<Surface>& surface) { 3085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid()); 3095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<IBinder> binder(surface != 0 ? surface->asBinder() : 0); 3115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ANativeWindow> window(surface); 3125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return setPreviewWindow(binder, window); 3135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// set the SurfaceTexture that the preview will use 3165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::setPreviewTexture( 3175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<ISurfaceTexture>& surfaceTexture) { 3185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("setPreviewTexture(%p) (pid %d)", surfaceTexture.get(), 3195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala getCallingPid()); 3205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<IBinder> binder; 3225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ANativeWindow> window; 3235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (surfaceTexture != 0) { 3245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala binder = surfaceTexture->asBinder(); 3255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala window = new SurfaceTextureClient(surfaceTexture); 3265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return setPreviewWindow(binder, window); 3285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// set the preview callback flag to affect how the received frames from 3315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// preview are handled. 3325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::setPreviewCallbackFlag(int callback_flag) { 3335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid()); 3345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 3355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return; 3365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewCallbackFlag = callback_flag; 3385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 3395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala enableMsgType(CAMERA_MSG_PREVIEW_FRAME); 3405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else { 3415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 3425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// start preview mode 3465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::startPreview() { 3475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("startPreview (pid %d)", getCallingPid()); 3485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return startCameraMode(CAMERA_PREVIEW_MODE); 3495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// start recording mode 3525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::startRecording() { 3535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("startRecording (pid %d)", getCallingPid()); 3545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return startCameraMode(CAMERA_RECORDING_MODE); 3555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// start preview or recording 3585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::startCameraMode(camera_mode mode) { 3595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("startCameraMode(%d)", mode); 3605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 3615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 3625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 3635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala switch(mode) { 3655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_PREVIEW_MODE: 3665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mSurface == 0 && mPreviewWindow == 0) { 3675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("mSurface is not set yet."); 3685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // still able to start preview in this case. 3695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return startPreviewMode(); 3715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_RECORDING_MODE: 3725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mSurface == 0 && mPreviewWindow == 0) { 3735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("mSurface or mPreviewWindow must be set before startRecordingMode."); 3745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return INVALID_OPERATION; 3755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return startRecordingMode(); 3775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala default: 3785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return UNKNOWN_ERROR; 3795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 3815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::startPreviewMode() { 3835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("startPreviewMode"); 3845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = NO_ERROR; 3855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // if preview has been enabled, nothing needs to be done 3875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mHardware->previewEnabled()) { 3885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 3895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 3915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPreviewWindow != 0) { 3925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala native_window_set_scaling_mode(mPreviewWindow.get(), 3935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); 3945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala native_window_set_buffers_transform(mPreviewWindow.get(), 3955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mOrientation); 3965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 3975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->setPreviewWindow(mPreviewWindow); 3985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result = mHardware->startPreview(); 3995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return result; 4015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::startRecordingMode() { 4045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("startRecordingMode"); 4055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = NO_ERROR; 4065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // if recording has been enabled, nothing needs to be done 4085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mHardware->recordingEnabled()) { 4095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return NO_ERROR; 4105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 4115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // if preview has not been started, start preview first 4135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!mHardware->previewEnabled()) { 4145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result = startPreviewMode(); 4155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) { 4165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return result; 4175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 4185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 4195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // start recording mode 4215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala enableMsgType(CAMERA_MSG_VIDEO_FRAME); 4225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->playSound(CameraService::SOUND_RECORDING); 4235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala result = mHardware->startRecording(); 4245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) { 4255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("mHardware->startRecording() failed with status %d", result); 4265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 4275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return result; 4285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// stop preview mode 4315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::stopPreview() { 4325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("stopPreview (pid %d)", getCallingPid()); 4335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return; 4355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 4385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->stopPreview(); 4395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewBuffer.clear(); 4415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// stop recording mode 4445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::stopRecording() { 4455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("stopRecording (pid %d)", getCallingPid()); 4465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return; 4485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_VIDEO_FRAME); 4505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->stopRecording(); 45135f859b338c0922094ecfc37fb8157530df6b305Patric Frederiksen mCameraService->playSound(CameraService::SOUND_RECORDING); 4525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewBuffer.clear(); 4545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// release a recording frame 4575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::releaseRecordingFrame(const sp<IMemory>& mem) { 4585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return; 4605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->releaseRecordingFrame(mem); 4615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::storeMetaDataInBuffers(bool enabled) 4645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala{ 4655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("storeMetaDataInBuffers: %s", enabled? "true": "false"); 4665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) { 4685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return UNKNOWN_ERROR; 4695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 4705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->storeMetaDataInBuffers(enabled); 4715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalabool CameraClient::previewEnabled() { 4745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("previewEnabled (pid %d)", getCallingPid()); 4755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return false; 4785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->previewEnabled(); 4795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalabool CameraClient::recordingEnabled() { 4825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("recordingEnabled (pid %d)", getCallingPid()); 4835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return false; 4865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->recordingEnabled(); 4875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::autoFocus() { 4905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("autoFocus (pid %d)", getCallingPid()); 4915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 4935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 4945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 4955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->autoFocus(); 4975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 4985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 4995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::cancelAutoFocus() { 5005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("cancelAutoFocus (pid %d)", getCallingPid()); 5015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 5035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 5045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 5055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->cancelAutoFocus(); 5075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 5085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// take a picture - image is returned in callback 5105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::takePicture(int msgType) { 5115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType); 5125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 5145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 5155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 5165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if ((msgType & CAMERA_MSG_RAW_IMAGE) && 5185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) { 5195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY" 5205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala " cannot be both enabled"); 5215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return BAD_VALUE; 5225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 5235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // We only accept picture related message types 5255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // and ignore other types of messages for takePicture(). 5265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int picMsgType = msgType 5275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala & (CAMERA_MSG_SHUTTER | 5285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CAMERA_MSG_POSTVIEW_FRAME | 5295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CAMERA_MSG_RAW_IMAGE | 5305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CAMERA_MSG_RAW_IMAGE_NOTIFY | 5315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CAMERA_MSG_COMPRESSED_IMAGE); 5325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala enableMsgType(picMsgType); 5345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->takePicture(); 5365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 5375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// set preview/capture parameters - key/value pairs 5395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::setParameters(const String8& params) { 5405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("setParameters (pid %d) (%s)", getCallingPid(), params.string()); 5415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 5435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 5445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 5455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CameraParameters p(params); 5475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->setParameters(p); 5485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 5495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// get preview/capture parameters - key/value pairs 5515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville TalvalaString8 CameraClient::getParameters() const { 5525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 5535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (checkPidAndHardware() != NO_ERROR) return String8(); 5545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala String8 params(mHardware->getParameters().flatten()); 5565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string()); 5575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return params; 5585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 5595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// enable shutter sound 5615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::enableShutterSound(bool enable) { 5625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("enableShutterSound (pid %d)", getCallingPid()); 5635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 5655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 5665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (enable) { 5685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPlayShutterSound = true; 5695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return OK; 5705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 5715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Disabling shutter sound may not be allowed. In that case only 5735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // allow the mediaserver process to disable the sound. 5745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala char value[PROPERTY_VALUE_MAX]; 5755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala property_get("ro.camera.sound.forced", value, "0"); 5765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (strcmp(value, "0") != 0) { 5775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Disabling shutter sound is not allowed. Deny if the current 5785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // process is not mediaserver. 5795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (getCallingPid() != getpid()) { 5805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", getCallingPid()); 5815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return PERMISSION_DENIED; 5825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 5835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 5845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPlayShutterSound = false; 5865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return OK; 5875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 5885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalastatus_t CameraClient::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 5905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("sendCommand (pid %d)", getCallingPid()); 5915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int orientation; 5925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock lock(mLock); 5935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala status_t result = checkPidAndHardware(); 5945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (result != NO_ERROR) return result; 5955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 5965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) { 5975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Mirror the preview if the camera is front-facing. 5985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT); 5995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (orientation == -1) return BAD_VALUE; 6005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mOrientation != orientation) { 6025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mOrientation = orientation; 6035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPreviewWindow != 0) { 6045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala native_window_set_buffers_transform(mPreviewWindow.get(), 6055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mOrientation); 6065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return OK; 6095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) { 6105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala switch (arg1) { 6115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case 0: 612c5268e825d4a513ad857b7944a9f85dc478c1dc6Eino-Ville Talvala return enableShutterSound(false); 6135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case 1: 614c5268e825d4a513ad857b7944a9f85dc478c1dc6Eino-Ville Talvala return enableShutterSound(true); 6155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala default: 6165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return BAD_VALUE; 6175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return OK; 6195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) { 6205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->playSound(CameraService::SOUND_RECORDING); 621983cf231ab2d176a14595cdae46ff1b0c239af47James Dong } else if (cmd == CAMERA_CMD_SET_VIDEO_BUFFER_COUNT) { 622983cf231ab2d176a14595cdae46ff1b0c239af47James Dong // Silently ignore this command 623983cf231ab2d176a14595cdae46ff1b0c239af47James Dong return INVALID_OPERATION; 6245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (cmd == CAMERA_CMD_PING) { 6255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // If mHardware is 0, checkPidAndHardware will return error. 6265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return OK; 6275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return mHardware->sendCommand(cmd, arg1, arg2); 6305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 6315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// ---------------------------------------------------------------------------- 6335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::enableMsgType(int32_t msgType) { 6355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala android_atomic_or(msgType, &mMsgEnabled); 6365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->enableMsgType(msgType); 6375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 6385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::disableMsgType(int32_t msgType) { 6405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala android_atomic_and(~msgType, &mMsgEnabled); 6415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mHardware->disableMsgType(msgType); 6425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 6435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala#define CHECK_MESSAGE_INTERVAL 10 // 10ms 6455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalabool CameraClient::lockIfMessageWanted(int32_t msgType) { 6465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int sleepCount = 0; 6475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala while (mMsgEnabled & msgType) { 6485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mLock.tryLock() == NO_ERROR) { 6495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (sleepCount > 0) { 6505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("lockIfMessageWanted(%d): waited for %d ms", 6515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala msgType, sleepCount * CHECK_MESSAGE_INTERVAL); 6525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return true; 6545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (sleepCount++ == 0) { 6565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG1("lockIfMessageWanted(%d): enter sleep", msgType); 6575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala usleep(CHECK_MESSAGE_INTERVAL * 1000); 6595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 6605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGW("lockIfMessageWanted(%d): dropped unwanted message", msgType); 6615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return false; 6625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 6635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// Callback messages can be dispatched to internal handlers or pass to our 6655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// client's callback functions, depending on the message type. 6665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// 6675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// notifyCallback: 6685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// CAMERA_MSG_SHUTTER handleShutter 6695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// (others) c->notifyCallback 6705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// dataCallback: 6715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// CAMERA_MSG_PREVIEW_FRAME handlePreviewData 6725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// CAMERA_MSG_POSTVIEW_FRAME handlePostview 6735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// CAMERA_MSG_RAW_IMAGE handleRawPicture 6745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// CAMERA_MSG_COMPRESSED_IMAGE handleCompressedPicture 6755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// (others) c->dataCallback 6765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// dataCallbackTimestamp 6775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// (others) c->dataCallbackTimestamp 6785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// 6795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// NOTE: the *Callback functions grab mLock of the client before passing 6805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// control to handle* functions. So the handle* functions must release the 6815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// lock before calling the ICameraClient's callbacks, so those callbacks can 6825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// invoke methods in the Client class again (For example, the preview frame 6835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// callback may want to releaseRecordingFrame). The handle* functions must 6845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// release the lock after all accesses to member variables, so it must be 6855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// handled very carefully. 6865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::notifyCallback(int32_t msgType, int32_t ext1, 6885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int32_t ext2, void* user) { 6895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("notifyCallback(%d)", msgType); 6905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex* lock = getClientLockFromCookie(user); 6925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (lock == NULL) return; 6935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock alock(*lock); 6945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CameraClient* client = 6965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala static_cast<CameraClient*>(getClientFromCookie(user)); 6975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (client == NULL) return; 6985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 6995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!client->lockIfMessageWanted(msgType)) return; 7005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala switch (msgType) { 7025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_MSG_SHUTTER: 7035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // ext1 is the dimension of the yuv picture. 7045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleShutter(); 7055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala default: 7075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleGenericNotify(msgType, ext1, ext2); 7085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 7105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 7115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::dataCallback(int32_t msgType, 7135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<IMemory>& dataPtr, camera_frame_metadata_t *metadata, void* user) { 7145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("dataCallback(%d)", msgType); 7155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex* lock = getClientLockFromCookie(user); 7175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (lock == NULL) return; 7185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock alock(*lock); 7195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CameraClient* client = 7215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala static_cast<CameraClient*>(getClientFromCookie(user)); 7225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (client == NULL) return; 7235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!client->lockIfMessageWanted(msgType)) return; 7255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (dataPtr == 0 && metadata == NULL) { 7265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("Null data returned in data callback"); 7275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 7285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 7295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 7305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala switch (msgType & ~CAMERA_MSG_PREVIEW_METADATA) { 7325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_MSG_PREVIEW_FRAME: 7335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handlePreviewData(msgType, dataPtr, metadata); 7345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_MSG_POSTVIEW_FRAME: 7365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handlePostview(dataPtr); 7375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_MSG_RAW_IMAGE: 7395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleRawPicture(dataPtr); 7405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala case CAMERA_MSG_COMPRESSED_IMAGE: 7425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleCompressedPicture(dataPtr); 7435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala default: 7455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleGenericData(msgType, dataPtr, metadata); 7465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala break; 7475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 7485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 7495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::dataCallbackTimestamp(nsecs_t timestamp, 7515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int32_t msgType, const sp<IMemory>& dataPtr, void* user) { 7525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("dataCallbackTimestamp(%d)", msgType); 7535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex* lock = getClientLockFromCookie(user); 7555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (lock == NULL) return; 7565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala Mutex::Autolock alock(*lock); 7575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CameraClient* client = 7595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala static_cast<CameraClient*>(getClientFromCookie(user)); 7605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (client == NULL) return; 7615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!client->lockIfMessageWanted(msgType)) return; 7635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (dataPtr == 0) { 7655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("Null data returned in data with timestamp callback"); 7665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); 7675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 7685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 7695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->handleGenericDataTimestamp(timestamp, msgType, dataPtr); 7715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 7725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// snapshot taken callback 7745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handleShutter(void) { 7755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPlayShutterSound) { 7765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mCameraService->playSound(CameraService::SOUND_SHUTTER); 7775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 7785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 7805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 7815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 7825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0); 7835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!lockIfMessageWanted(CAMERA_MSG_SHUTTER)) return; 7845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 7855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_SHUTTER); 7865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 7885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 7895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// preview callback - frame buffer update 7915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handlePreviewData(int32_t msgType, 7925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<IMemory>& mem, 7935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala camera_frame_metadata_t *metadata) { 7945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ssize_t offset; 7955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala size_t size; 7965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 7975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 7985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // local copy of the callback flags 7995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int flags = mPreviewCallbackFlag; 8005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // is callback enabled? 8025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!(flags & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK)) { 8035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // If the enable bit is off, the copy-out and one-shot bits are ignored 8045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("frame callback is disabled"); 8055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 8075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // hold a strong pointer to the client 8105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // clear callback flags if no client or one-shot mode 8135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c == 0 || (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK)) { 8145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("Disable preview callback"); 8155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewCallbackFlag &= ~(CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK | 8165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK | 8175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK); 8185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_PREVIEW_FRAME); 8195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // Is the received frame copied out or not? 8235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (flags & CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK) { 8245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("frame is copied"); 8255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala copyFrameAndPostCopiedFrame(msgType, c, heap, offset, size, metadata); 8265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else { 8275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("frame is forwarded"); 8285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->dataCallback(msgType, mem, metadata); 8305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else { 8325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 8355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// picture callback - postview image ready 8375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handlePostview(const sp<IMemory>& mem) { 8385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_POSTVIEW_FRAME); 8395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->dataCallback(CAMERA_MSG_POSTVIEW_FRAME, mem, NULL); 8445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 8465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// picture callback - raw image ready 8485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handleRawPicture(const sp<IMemory>& mem) { 8495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_RAW_IMAGE); 8505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ssize_t offset; 8525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala size_t size; 8535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); 8545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->dataCallback(CAMERA_MSG_RAW_IMAGE, mem, NULL); 8595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 8615e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8625e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala// picture callback - compressed picture ready 8635e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handleCompressedPicture(const sp<IMemory>& mem) { 8645e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE); 8655e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8665e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8675e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8685e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8695e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem, NULL); 8705e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8715e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 8725e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8735e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8745e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handleGenericNotify(int32_t msgType, 8755e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int32_t ext1, int32_t ext2) { 8765e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8775e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8785e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8795e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->notifyCallback(msgType, ext1, ext2); 8805e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8815e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 8825e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8835e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handleGenericData(int32_t msgType, 8845e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<IMemory>& dataPtr, camera_frame_metadata_t *metadata) { 8855e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8865e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8875e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8885e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->dataCallback(msgType, dataPtr, metadata); 8895e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8905e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 8915e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 8925e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::handleGenericDataTimestamp(nsecs_t timestamp, 8935e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int32_t msgType, const sp<IMemory>& dataPtr) { 8945e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<ICameraClient> c = mCameraClient; 8955e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 8965e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (c != 0) { 8975e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala c->dataCallbackTimestamp(timestamp, msgType, dataPtr); 8985e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 8995e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 9005e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9015e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalavoid CameraClient::copyFrameAndPostCopiedFrame( 9025e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala int32_t msgType, const sp<ICameraClient>& client, 9035e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala const sp<IMemoryHeap>& heap, size_t offset, size_t size, 9045e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala camera_frame_metadata_t *metadata) { 9055e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala LOG2("copyFrameAndPostCopiedFrame"); 9065e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // It is necessary to copy out of pmem before sending this to 9075e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // the callback. For efficiency, reuse the same MemoryHeapBase 9085e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // provided it's big enough. Don't allocate the memory or 9095e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // perform the copy if there's no callback. 9105e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala // hold the preview lock while we grab a reference to the preview buffer 9115e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<MemoryHeapBase> previewBuffer; 9125e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9135e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPreviewBuffer == 0) { 9145e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 9155e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (size > mPreviewBuffer->virtualSize()) { 9165e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewBuffer.clear(); 9175e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); 9185e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 9195e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (mPreviewBuffer == 0) { 9205e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("failed to allocate space for preview buffer"); 9215e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 9225e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 9235e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 9245e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala previewBuffer = mPreviewBuffer; 9255e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9265e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala memcpy(previewBuffer->base(), (uint8_t *)heap->base() + offset, size); 9275e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9285e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala sp<MemoryBase> frame = new MemoryBase(previewBuffer, 0, size); 9295e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (frame == 0) { 9305e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("failed to allocate space for frame callback"); 9315e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 9325e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return; 9335e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 9345e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9355e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala mLock.unlock(); 9365e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala client->dataCallback(msgType, frame, metadata); 9375e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 9385e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9395e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvalaint CameraClient::getOrientation(int degrees, bool mirror) { 9405e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (!mirror) { 9415e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (degrees == 0) return 0; 9425e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala else if (degrees == 90) return HAL_TRANSFORM_ROT_90; 9435e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala else if (degrees == 180) return HAL_TRANSFORM_ROT_180; 9445e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala else if (degrees == 270) return HAL_TRANSFORM_ROT_270; 9455e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else { // Do mirror (horizontal flip) 9465e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala if (degrees == 0) { // FLIP_H and ROT_0 9475e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return HAL_TRANSFORM_FLIP_H; 9485e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (degrees == 90) { // FLIP_H and ROT_90 9495e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; 9505e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (degrees == 180) { // FLIP_H and ROT_180 9515e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return HAL_TRANSFORM_FLIP_V; 9525e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } else if (degrees == 270) { // FLIP_H and ROT_270 9535e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; 9545e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 9555e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala } 9565e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala ALOGE("Invalid setDisplayOrientation degrees=%d", degrees); 9575e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala return -1; 9585e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala} 9595e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala 9605e08d60617fc63c2e41f9069ff89f5c00db2617dEino-Ville Talvala}; // namespace android 961