JpegProcessor.cpp revision 0fa1e760f7093d025c977e5813e8d3a04c863ce3
1ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala/* 2ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * Copyright (C) 2012 The Android Open Source Project 3ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * 4ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * Licensed under the Apache License, Version 2.0 (the "License"); 5ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * you may not use this file except in compliance with the License. 6ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * You may obtain a copy of the License at 7ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * 8ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * http://www.apache.org/licenses/LICENSE-2.0 9ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * 10ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * Unless required by applicable law or agreed to in writing, software 11ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * distributed under the License is distributed on an "AS IS" BASIS, 12ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * See the License for the specific language governing permissions and 14ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala * limitations under the License. 15ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala */ 16ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 174bb8118816874c696d9f1adab48490df1da365f7Eino-Ville Talvala#define LOG_TAG "Camera2-JpegProcessor" 18ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#define ATRACE_TAG ATRACE_TAG_CAMERA 19ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala//#define LOG_NDEBUG 0 20ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 21a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#include <netinet/in.h> 22a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 23ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include <utils/Log.h> 24ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include <utils/Trace.h> 25ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 26da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvala#include "JpegProcessor.h" 27ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include <gui/SurfaceTextureClient.h> 28ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include "../Camera2Device.h" 29ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include "../Camera2Client.h" 30ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 31ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 32ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvalanamespace android { 33ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvalanamespace camera2 { 34ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 35da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville TalvalaJpegProcessor::JpegProcessor( 36da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvala wp<Camera2Client> client, 37da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvala wp<CaptureSequencer> sequencer): 38ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Thread(false), 39ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mClient(client), 40da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvala mSequencer(sequencer), 41ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailable(false), 42ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureStreamId(NO_STREAM) { 43ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 44ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 45da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville TalvalaJpegProcessor::~JpegProcessor() { 46ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGV("%s: Exit", __FUNCTION__); 47cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala deleteStream(); 48ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 49ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 50da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalavoid JpegProcessor::onFrameAvailable() { 51ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 52ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (!mCaptureAvailable) { 53ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailable = true; 54ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailableSignal.signal(); 55ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 56ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 57ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 58da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalastatus_t JpegProcessor::updateStream(const Parameters ¶ms) { 59ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ATRACE_CALL(); 60ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGV("%s", __FUNCTION__); 61ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 62ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 63ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 64ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 65ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Client> client = mClient.promote(); 66ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (client == 0) return OK; 67ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Device> device = client->getCameraDevice(); 68ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 69ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Find out buffer size for JPEG 70ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala camera_metadata_ro_entry_t maxJpegSize = 71ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala params.staticInfo(ANDROID_JPEG_MAX_SIZE); 72ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (maxJpegSize.count == 0) { 73ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Can't find ANDROID_JPEG_MAX_SIZE!", 74ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala __FUNCTION__, client->getCameraId()); 75ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return INVALID_OPERATION; 76ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 77ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 78ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureConsumer == 0) { 79ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Create CPU buffer queue endpoint 80ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer = new CpuConsumer(1); 81ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->setFrameAvailableListener(this); 82ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->setName(String8("Camera2Client::CaptureConsumer")); 83ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureWindow = new SurfaceTextureClient( 84ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->getProducerInterface()); 85ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Create memory for API consumption 86a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray mCaptureHeap = new MemoryHeapBase(maxJpegSize.data.i32[0], 0, 87ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "Camera2Client::CaptureHeap"); 88a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (mCaptureHeap->getSize() == 0) { 89ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Unable to allocate memory for capture", 90ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala __FUNCTION__, client->getCameraId()); 91ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return NO_MEMORY; 92ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 93ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 94ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 95ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureStreamId != NO_STREAM) { 96ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Check if stream parameters have to change 97ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala uint32_t currentWidth, currentHeight; 98ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = device->getStreamInfo(mCaptureStreamId, 99ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ¤tWidth, ¤tHeight, 0); 100ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 101ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Error querying capture output stream info: " 102ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "%s (%d)", __FUNCTION__, 103ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala client->getCameraId(), strerror(-res), res); 104ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 105ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 106ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (currentWidth != (uint32_t)params.pictureWidth || 107ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala currentHeight != (uint32_t)params.pictureHeight) { 108ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = device->deleteStream(mCaptureStreamId); 109ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 110ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Unable to delete old output stream " 111ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "for capture: %s (%d)", __FUNCTION__, 112ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala client->getCameraId(), strerror(-res), res); 113ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 114ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 115ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureStreamId = NO_STREAM; 116ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 117ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 118ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 119ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureStreamId == NO_STREAM) { 120ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Create stream for HAL production 121ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = device->createStream(mCaptureWindow, 122ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala params.pictureWidth, params.pictureHeight, 123ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala HAL_PIXEL_FORMAT_BLOB, maxJpegSize.data.i32[0], 124ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala &mCaptureStreamId); 125ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 126ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Can't create output stream for capture: " 127ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "%s (%d)", __FUNCTION__, client->getCameraId(), 128ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala strerror(-res), res); 129ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 130ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 131ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 132ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 133ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 134ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 135ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 136da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalastatus_t JpegProcessor::deleteStream() { 137ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ATRACE_CALL(); 138ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 139ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 140ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 141ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 142ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureStreamId != NO_STREAM) { 143ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Client> client = mClient.promote(); 144ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (client == 0) return OK; 145ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Device> device = client->getCameraDevice(); 146ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 147ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala device->deleteStream(mCaptureStreamId); 148cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala 149cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala mCaptureHeap.clear(); 150cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala mCaptureWindow.clear(); 151cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala mCaptureConsumer.clear(); 152cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala 153ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureStreamId = NO_STREAM; 154ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 155ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 156ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 157ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 158da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalaint JpegProcessor::getStreamId() const { 159ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 160ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return mCaptureStreamId; 161ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 162ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 163da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalavoid JpegProcessor::dump(int fd, const Vector<String16>& args) const { 164ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 165ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 166da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalabool JpegProcessor::threadLoop() { 167ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 168ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 169ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala { 170ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 171ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala while (!mCaptureAvailable) { 172ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = mCaptureAvailableSignal.waitRelative(mInputMutex, 173ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala kWaitDuration); 174ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res == TIMED_OUT) return true; 175ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 176ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailable = false; 177ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 178ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 179ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala do { 180ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Client> client = mClient.promote(); 181ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (client == 0) return false; 182ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = processNewCapture(client); 183ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } while (res == OK); 184ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 185ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return true; 186ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 187ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 188da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalastatus_t JpegProcessor::processNewCapture(sp<Camera2Client> &client) { 189ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ATRACE_CALL(); 190ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 191ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Heap> captureHeap; 192ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 193ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala CpuConsumer::LockedBuffer imgBuffer; 194ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 195ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = mCaptureConsumer->lockNextBuffer(&imgBuffer); 196ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 197ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != BAD_VALUE) { 198ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Error receiving still image buffer: " 199ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "%s (%d)", __FUNCTION__, 200ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala client->getCameraId(), strerror(-res), res); 201ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 202ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 203ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 204ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 205ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGV("%s: Camera %d: Still capture available", __FUNCTION__, 206ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala client->getCameraId()); 207ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 208ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // TODO: Signal errors here upstream 209ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala { 210ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala SharedParameters::Lock l(client->getParameters()); 211ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 212ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala switch (l.mParameters.state) { 213ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala case Parameters::STILL_CAPTURE: 214ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala case Parameters::VIDEO_SNAPSHOT: 215ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala break; 216ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala default: 217ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Still image produced unexpectedly " 218ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "in state %s!", 219ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala __FUNCTION__, client->getCameraId(), 220ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Parameters::getStateName(l.mParameters.state)); 221ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->unlockBuffer(imgBuffer); 222ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return BAD_VALUE; 223ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 224ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 225ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 226ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (imgBuffer.format != HAL_PIXEL_FORMAT_BLOB) { 227ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Unexpected format for still image: " 228ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "%x, expected %x", __FUNCTION__, client->getCameraId(), 229ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala imgBuffer.format, 230ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala HAL_PIXEL_FORMAT_BLOB); 231ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->unlockBuffer(imgBuffer); 232ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 233ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 234ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 235a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Find size of JPEG image 2360fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray size_t jpegSize = findJpegSize(imgBuffer.data, imgBuffer.width); 237eb8a42b934f20a15f40d656e2bc90f384f1ccb10Alex Ray if (jpegSize == 0) { // failed to find size, default to whole buffer 238eb8a42b934f20a15f40d656e2bc90f384f1ccb10Alex Ray jpegSize = imgBuffer.width; 239eb8a42b934f20a15f40d656e2bc90f384f1ccb10Alex Ray } 240a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t heapSize = mCaptureHeap->getSize(); 241a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (jpegSize > heapSize) { 242a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("%s: JPEG image is larger than expected, truncating " 243a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray "(got %d, expected at most %d bytes)", 244a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray __FUNCTION__, jpegSize, heapSize); 245a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray jpegSize = heapSize; 246a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 247a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 248ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // TODO: Optimize this to avoid memcopy 249a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray sp<MemoryBase> captureBuffer = new MemoryBase(mCaptureHeap, 0, jpegSize); 250a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray void* captureMemory = mCaptureHeap->getBase(); 2510fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray memcpy(captureMemory, imgBuffer.data, jpegSize); 252ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 253ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->unlockBuffer(imgBuffer); 254ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 255fe580e57081885dd6059e0d407a6cd96a1be7e51Eino-Ville Talvala sp<CaptureSequencer> sequencer = mSequencer.promote(); 256fe580e57081885dd6059e0d407a6cd96a1be7e51Eino-Ville Talvala if (sequencer != 0) { 257a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray sequencer->onCaptureAvailable(imgBuffer.timestamp, captureBuffer); 258ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 259fe580e57081885dd6059e0d407a6cd96a1be7e51Eino-Ville Talvala 260ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 261ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 262ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 263a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray/* 264a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * JPEG FILE FORMAT OVERVIEW. 265a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * http://www.jpeg.org/public/jfif.pdf 266a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * (JPEG is the image compression algorithm, actual file format is called JFIF) 267a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 268a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * "Markers" are 2-byte patterns used to distinguish parts of JFIF files. The 269a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * first byte is always 0xFF, and the second byte is between 0x01 and 0xFE 270a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * (inclusive). Because every marker begins with the same byte, they are 271a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * referred to by the second byte's value. 272a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 273a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * JFIF files all begin with the Start of Image (SOI) marker, which is 0xD8. 274a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * Following it, "segment" sections begin with other markers, followed by a 275a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 2-byte length (in network byte order), then the segment data. 276a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 277a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * For our purposes we will ignore the data, and just use the length to skip to 278a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * the next segment. This is necessary because the data inside segments are 279a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * allowed to contain the End of Image marker (0xFF 0xD9), preventing us from 280a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * naievely scanning until the end. 281a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 282a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * After all the segments are processed, the jpeg compressed image stream begins. 283a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * This can be considered an opaque format with one requirement: all 0xFF bytes 284a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * in this stream must be followed with a 0x00 byte. This prevents any of the 285a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * image data to be interpreted as a segment. The only exception to this is at 286a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * the end of the image stream there is an End of Image (EOI) marker, which is 287a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 0xFF followed by a non-zero (0xD9) byte. 288a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray */ 289a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 290a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst uint8_t MARK = 0xFF; // First byte of marker 291a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst uint8_t SOI = 0xD8; // Start of Image 292a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst uint8_t EOI = 0xD9; // End of Image 293a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst size_t MARKER_LENGTH = 2; // length of a marker 294a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 295a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#pragma pack(push) 296a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#pragma pack(1) 297a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Raytypedef struct segment { 298a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray uint8_t marker[MARKER_LENGTH]; 299a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray uint16_t length; 300a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} segment_t; 301a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#pragma pack(pop) 302a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 303a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray/* HELPER FUNCTIONS */ 304a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 305a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// check for Start of Image marker 306a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Raybool checkJpegStart(uint8_t* buf) { 307a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return buf[0] == MARK && buf[1] == SOI; 308a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 309a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// check for End of Image marker 310a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Raybool checkJpegEnd(uint8_t *buf) { 311a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return buf[0] == MARK && buf[1] == EOI; 312a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 313a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// check for arbitrary marker, returns marker type (second byte) 314a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// returns 0 if no marker found. Note: 0x00 is not a valid marker type 315a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayuint8_t checkJpegMarker(uint8_t *buf) { 316a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (buf[0] == MARK && buf[1] > 0 && buf[1] < 0xFF) { 317a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return buf[1]; 318a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 319a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 320a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 321a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 322a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// Return the size of the JPEG, 0 indicates failure 3230fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Raysize_t JpegProcessor::findJpegSize(uint8_t* jpegBuffer, size_t maxSize) { 324a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t size; 325a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 3260fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray // First check for JPEG transport header at the end of the buffer 3270fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray uint8_t *header = jpegBuffer + (maxSize - sizeof(struct camera2_jpeg_blob)); 3280fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray struct camera2_jpeg_blob *blob = (struct camera2_jpeg_blob*)(header); 329a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (blob->jpeg_blob_id == CAMERA2_JPEG_BLOB_ID) { 330a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size = blob->jpeg_size; 331a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (size > 0 && size <= maxSize - sizeof(struct camera2_jpeg_blob)) { 332a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Verify SOI and EOI markers 333a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t offset = size - MARKER_LENGTH; 3340fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray uint8_t *end = jpegBuffer + offset; 3350fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray if (checkJpegStart(jpegBuffer) && checkJpegEnd(end)) { 336a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGV("Found JPEG transport header, img size %d", size); 337a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return size; 338a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } else { 339a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("Found JPEG transport header with bad Image Start/End"); 340a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 341a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } else { 342a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("Found JPEG transport header with bad size %d", size); 343a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 344a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 345a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 3460fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray // Check Start of Image 3470fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray if ( !checkJpegStart(jpegBuffer) ) { 348a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGE("Could not find start of JPEG marker"); 349a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 350a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 351a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 352a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Read JFIF segment markers, skip over segment data 353a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size = 0; 354a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray while (size <= maxSize - MARKER_LENGTH) { 3550fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray segment_t *segment = (segment_t*)(jpegBuffer + size); 356a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray uint8_t type = checkJpegMarker(segment->marker); 357a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (type == 0) { // invalid marker, no more segments, begin JPEG data 358a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGV("JPEG stream found beginning at offset %d", size); 359a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray break; 360a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 361a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (type == EOI || size > maxSize - sizeof(segment_t)) { 362a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGE("Got premature End before JPEG data, offset %d", size); 363a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 364a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 365a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t length = ntohs(segment->length); 366a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGV("JFIF Segment, type %x length %x", type, length); 367a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size += length + MARKER_LENGTH; 368a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 369a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 370a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Find End of Image 371a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Scan JPEG buffer until End of Image (EOI) 372a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray bool foundEnd = false; 3730fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray for (size; size <= maxSize - MARKER_LENGTH; size++) { 3740fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray if ( checkJpegEnd(jpegBuffer + size) ) { 375a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray foundEnd = true; 376a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size += MARKER_LENGTH; 377a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray break; 378a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 379a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 380a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (!foundEnd) { 381a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGE("Could not find end of JPEG marker"); 382a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 383a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 384a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 385a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (size > maxSize) { 386a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("JPEG size %d too large, reducing to maxSize %d", size, maxSize); 387a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size = maxSize; 388a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 3890fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray ALOGV("Final JPEG size %d", size); 390a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return size; 391a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 392a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 393ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala}; // namespace camera2 394ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala}; // namespace android 395