JpegProcessor.cpp revision 7b82efe7a376c882f8f938e1c41b8311a8cdda4a
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 2373bbd1f1c493835f191ea2b0b72439292496b40aEino-Ville Talvala#include <binder/MemoryBase.h> 2473bbd1f1c493835f191ea2b0b72439292496b40aEino-Ville Talvala#include <binder/MemoryHeapBase.h> 25ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include <utils/Log.h> 26ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala#include <utils/Trace.h> 271a2952aee048ca7b1765e2bc09ebe9aeddaeafa3Mathias Agopian#include <gui/Surface.h> 28ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 297b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "common/CameraDeviceBase.h" 307b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/Camera2Client.h" 317b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/client2/Camera2Heap.h" 327b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/client2/CaptureSequencer.h" 337b82efe7a376c882f8f938e1c41b8311a8cdda4aEino-Ville Talvala#include "api1/client2/JpegProcessor.h" 34ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 35ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvalanamespace android { 36ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvalanamespace camera2 { 37ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 38da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville TalvalaJpegProcessor::JpegProcessor( 39d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala sp<Camera2Client> client, 40da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvala wp<CaptureSequencer> sequencer): 41ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Thread(false), 42d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala mDevice(client->getCameraDevice()), 43da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvala mSequencer(sequencer), 44d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala mId(client->getCameraId()), 45ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailable(false), 46ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureStreamId(NO_STREAM) { 47ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 48ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 49da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville TalvalaJpegProcessor::~JpegProcessor() { 50ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGV("%s: Exit", __FUNCTION__); 51cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala deleteStream(); 52ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 53ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 54da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalavoid JpegProcessor::onFrameAvailable() { 55ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 56ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (!mCaptureAvailable) { 57ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailable = true; 58ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailableSignal.signal(); 59ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 60ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 61ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 62da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalastatus_t JpegProcessor::updateStream(const Parameters ¶ms) { 63ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ATRACE_CALL(); 64ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGV("%s", __FUNCTION__); 65ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 66ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 67ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 68ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 69d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala sp<CameraDeviceBase> device = mDevice.promote(); 70d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala if (device == 0) { 71d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId); 72d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala return INVALID_OPERATION; 73d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala } 74ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 75ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Find out buffer size for JPEG 76ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala camera_metadata_ro_entry_t maxJpegSize = 77ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala params.staticInfo(ANDROID_JPEG_MAX_SIZE); 78ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (maxJpegSize.count == 0) { 79ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Can't find ANDROID_JPEG_MAX_SIZE!", 80d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala __FUNCTION__, mId); 81ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return INVALID_OPERATION; 82ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 83ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 84ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureConsumer == 0) { 85ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Create CPU buffer queue endpoint 868d764bfc74c40641f018a0aa87d6f484aec92eaeMathias Agopian sp<BufferQueue> bq = new BufferQueue(); 878d764bfc74c40641f018a0aa87d6f484aec92eaeMathias Agopian mCaptureConsumer = new CpuConsumer(bq, 1); 88ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->setFrameAvailableListener(this); 89ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->setName(String8("Camera2Client::CaptureConsumer")); 901a2952aee048ca7b1765e2bc09ebe9aeddaeafa3Mathias Agopian mCaptureWindow = new Surface( 91ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->getProducerInterface()); 92ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Create memory for API consumption 93a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray mCaptureHeap = new MemoryHeapBase(maxJpegSize.data.i32[0], 0, 94ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "Camera2Client::CaptureHeap"); 95a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (mCaptureHeap->getSize() == 0) { 96ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Unable to allocate memory for capture", 97d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala __FUNCTION__, mId); 98ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return NO_MEMORY; 99ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 100ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 101ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 102ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureStreamId != NO_STREAM) { 103ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Check if stream parameters have to change 104ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala uint32_t currentWidth, currentHeight; 105ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = device->getStreamInfo(mCaptureStreamId, 106ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ¤tWidth, ¤tHeight, 0); 107ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 108ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Error querying capture output stream info: " 109ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "%s (%d)", __FUNCTION__, 110d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala mId, strerror(-res), res); 111ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 112ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 113ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (currentWidth != (uint32_t)params.pictureWidth || 114ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala currentHeight != (uint32_t)params.pictureHeight) { 115ecf17e82505fdb60d59e00b6dd59036df93de655Igor Murashkin ALOGV("%s: Camera %d: Deleting stream %d since the buffer dimensions changed", 116d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala __FUNCTION__, mId, mCaptureStreamId); 117ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = device->deleteStream(mCaptureStreamId); 118dca254aef0c09867e50fe6613c6fad405de72842Igor Murashkin if (res == -EBUSY) { 119dca254aef0c09867e50fe6613c6fad405de72842Igor Murashkin ALOGV("%s: Camera %d: Device is busy, call updateStream again " 120dca254aef0c09867e50fe6613c6fad405de72842Igor Murashkin " after it becomes idle", __FUNCTION__, mId); 121dca254aef0c09867e50fe6613c6fad405de72842Igor Murashkin return res; 122dca254aef0c09867e50fe6613c6fad405de72842Igor Murashkin } else if (res != OK) { 123ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Unable to delete old output stream " 124ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "for capture: %s (%d)", __FUNCTION__, 125d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala mId, strerror(-res), res); 126ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 127ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 128ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureStreamId = NO_STREAM; 129ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 130ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 131ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 132ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureStreamId == NO_STREAM) { 133ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // Create stream for HAL production 134ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = device->createStream(mCaptureWindow, 135ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala params.pictureWidth, params.pictureHeight, 136ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala HAL_PIXEL_FORMAT_BLOB, maxJpegSize.data.i32[0], 137ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala &mCaptureStreamId); 138ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 139ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Can't create output stream for capture: " 140d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala "%s (%d)", __FUNCTION__, mId, 141ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala strerror(-res), res); 142ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 143ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 144ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 145ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 146ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 147ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 148ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 149da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalastatus_t JpegProcessor::deleteStream() { 150ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ATRACE_CALL(); 151ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 152ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 153ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 154ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (mCaptureStreamId != NO_STREAM) { 155d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala sp<CameraDeviceBase> device = mDevice.promote(); 156d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala if (device == 0) { 157d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala ALOGE("%s: Camera %d: Device does not exist", __FUNCTION__, mId); 158d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala return INVALID_OPERATION; 159d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala } 160ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 161ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala device->deleteStream(mCaptureStreamId); 162cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala 163cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala mCaptureHeap.clear(); 164cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala mCaptureWindow.clear(); 165cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala mCaptureConsumer.clear(); 166cf70d3469332445dc3ffd09729da3538612b1bb2Eino-Ville Talvala 167ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureStreamId = NO_STREAM; 168ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 169ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 170ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 171ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 172da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalaint JpegProcessor::getStreamId() const { 173ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 174ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return mCaptureStreamId; 175ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 176ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 177ddf3c5025e2f6f35a4c188c19f30142c64a092c4Igor Murashkinvoid JpegProcessor::dump(int /*fd*/, const Vector<String16>& /*args*/) const { 178ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 179ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 180da6665cbd06ca58d3357c3002b7366d13e23f152Eino-Ville Talvalabool JpegProcessor::threadLoop() { 181ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 182ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 183ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala { 184ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala Mutex::Autolock l(mInputMutex); 185ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala while (!mCaptureAvailable) { 186ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = mCaptureAvailableSignal.waitRelative(mInputMutex, 187ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala kWaitDuration); 188ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res == TIMED_OUT) return true; 189ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 190ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureAvailable = false; 191ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 192ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 193ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala do { 194d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala res = processNewCapture(); 195ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } while (res == OK); 196ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 197ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return true; 198ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 199ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 200d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvalastatus_t JpegProcessor::processNewCapture() { 201ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ATRACE_CALL(); 202ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala status_t res; 203ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala sp<Camera2Heap> captureHeap; 204ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 205ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala CpuConsumer::LockedBuffer imgBuffer; 206ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 207ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala res = mCaptureConsumer->lockNextBuffer(&imgBuffer); 208ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != OK) { 209ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (res != BAD_VALUE) { 210ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Error receiving still image buffer: " 211ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala "%s (%d)", __FUNCTION__, 212d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala mId, strerror(-res), res); 213ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 214ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return res; 215ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 216ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 217ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGV("%s: Camera %d: Still capture available", __FUNCTION__, 218d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala mId); 219ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 220ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala if (imgBuffer.format != HAL_PIXEL_FORMAT_BLOB) { 221ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala ALOGE("%s: Camera %d: Unexpected format for still image: " 222d09801b99503b57c35e321ad9afa7e861e012813Eino-Ville Talvala "%x, expected %x", __FUNCTION__, mId, 223ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala imgBuffer.format, 224ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala HAL_PIXEL_FORMAT_BLOB); 225ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->unlockBuffer(imgBuffer); 226ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 227ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 228ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 229a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Find size of JPEG image 2300fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray size_t jpegSize = findJpegSize(imgBuffer.data, imgBuffer.width); 231eb8a42b934f20a15f40d656e2bc90f384f1ccb10Alex Ray if (jpegSize == 0) { // failed to find size, default to whole buffer 232eb8a42b934f20a15f40d656e2bc90f384f1ccb10Alex Ray jpegSize = imgBuffer.width; 233eb8a42b934f20a15f40d656e2bc90f384f1ccb10Alex Ray } 234a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t heapSize = mCaptureHeap->getSize(); 235a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (jpegSize > heapSize) { 236a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("%s: JPEG image is larger than expected, truncating " 237a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray "(got %d, expected at most %d bytes)", 238a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray __FUNCTION__, jpegSize, heapSize); 239a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray jpegSize = heapSize; 240a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 241a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 242ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala // TODO: Optimize this to avoid memcopy 243a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray sp<MemoryBase> captureBuffer = new MemoryBase(mCaptureHeap, 0, jpegSize); 244a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray void* captureMemory = mCaptureHeap->getBase(); 2450fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray memcpy(captureMemory, imgBuffer.data, jpegSize); 246ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 247ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala mCaptureConsumer->unlockBuffer(imgBuffer); 248ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 249fe580e57081885dd6059e0d407a6cd96a1be7e51Eino-Ville Talvala sp<CaptureSequencer> sequencer = mSequencer.promote(); 250fe580e57081885dd6059e0d407a6cd96a1be7e51Eino-Ville Talvala if (sequencer != 0) { 251a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray sequencer->onCaptureAvailable(imgBuffer.timestamp, captureBuffer); 252ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala } 253fe580e57081885dd6059e0d407a6cd96a1be7e51Eino-Ville Talvala 254ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala return OK; 255ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala} 256ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala 257a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray/* 258a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * JPEG FILE FORMAT OVERVIEW. 259a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * http://www.jpeg.org/public/jfif.pdf 260a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * (JPEG is the image compression algorithm, actual file format is called JFIF) 261a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 262a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * "Markers" are 2-byte patterns used to distinguish parts of JFIF files. The 263a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * first byte is always 0xFF, and the second byte is between 0x01 and 0xFE 264a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * (inclusive). Because every marker begins with the same byte, they are 265a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * referred to by the second byte's value. 266a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 267a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * JFIF files all begin with the Start of Image (SOI) marker, which is 0xD8. 268a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * Following it, "segment" sections begin with other markers, followed by a 269a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 2-byte length (in network byte order), then the segment data. 270a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 271a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * For our purposes we will ignore the data, and just use the length to skip to 272a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * the next segment. This is necessary because the data inside segments are 273a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * allowed to contain the End of Image marker (0xFF 0xD9), preventing us from 274a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * naievely scanning until the end. 275a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 276a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * After all the segments are processed, the jpeg compressed image stream begins. 277a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * This can be considered an opaque format with one requirement: all 0xFF bytes 278a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * in this stream must be followed with a 0x00 byte. This prevents any of the 279a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * image data to be interpreted as a segment. The only exception to this is at 280a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * the end of the image stream there is an End of Image (EOI) marker, which is 281a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray * 0xFF followed by a non-zero (0xD9) byte. 282a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray */ 283a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 284a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst uint8_t MARK = 0xFF; // First byte of marker 285a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst uint8_t SOI = 0xD8; // Start of Image 286a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst uint8_t EOI = 0xD9; // End of Image 287a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayconst size_t MARKER_LENGTH = 2; // length of a marker 288a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 289a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#pragma pack(push) 290a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#pragma pack(1) 291a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Raytypedef struct segment { 292a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray uint8_t marker[MARKER_LENGTH]; 293a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray uint16_t length; 294a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} segment_t; 295a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray#pragma pack(pop) 296a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 297a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray/* HELPER FUNCTIONS */ 298a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 299a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// check for Start of Image marker 300a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Raybool checkJpegStart(uint8_t* buf) { 301a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return buf[0] == MARK && buf[1] == SOI; 302a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 303a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// check for End of Image marker 304a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Raybool checkJpegEnd(uint8_t *buf) { 305a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return buf[0] == MARK && buf[1] == EOI; 306a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 307a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// check for arbitrary marker, returns marker type (second byte) 308a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// returns 0 if no marker found. Note: 0x00 is not a valid marker type 309a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Rayuint8_t checkJpegMarker(uint8_t *buf) { 310a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (buf[0] == MARK && buf[1] > 0 && buf[1] < 0xFF) { 311a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return buf[1]; 312a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 313a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 314a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 315a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 316a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray// Return the size of the JPEG, 0 indicates failure 3170fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Raysize_t JpegProcessor::findJpegSize(uint8_t* jpegBuffer, size_t maxSize) { 318a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t size; 319a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 3200fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray // First check for JPEG transport header at the end of the buffer 3210fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray uint8_t *header = jpegBuffer + (maxSize - sizeof(struct camera2_jpeg_blob)); 3220fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray struct camera2_jpeg_blob *blob = (struct camera2_jpeg_blob*)(header); 323a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (blob->jpeg_blob_id == CAMERA2_JPEG_BLOB_ID) { 324a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size = blob->jpeg_size; 325a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (size > 0 && size <= maxSize - sizeof(struct camera2_jpeg_blob)) { 326a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Verify SOI and EOI markers 327a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t offset = size - MARKER_LENGTH; 3280fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray uint8_t *end = jpegBuffer + offset; 3290fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray if (checkJpegStart(jpegBuffer) && checkJpegEnd(end)) { 330a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGV("Found JPEG transport header, img size %d", size); 331a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return size; 332a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } else { 333a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("Found JPEG transport header with bad Image Start/End"); 334a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 335a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } else { 336a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("Found JPEG transport header with bad size %d", size); 337a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 338a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 339a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 3400fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray // Check Start of Image 3410fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray if ( !checkJpegStart(jpegBuffer) ) { 342a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGE("Could not find start of JPEG marker"); 343a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 344a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 345a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 346a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Read JFIF segment markers, skip over segment data 347a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size = 0; 348a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray while (size <= maxSize - MARKER_LENGTH) { 3490fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray segment_t *segment = (segment_t*)(jpegBuffer + size); 350a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray uint8_t type = checkJpegMarker(segment->marker); 351a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (type == 0) { // invalid marker, no more segments, begin JPEG data 352a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGV("JPEG stream found beginning at offset %d", size); 353a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray break; 354a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 355a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (type == EOI || size > maxSize - sizeof(segment_t)) { 356a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGE("Got premature End before JPEG data, offset %d", size); 357a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 358a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 359a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size_t length = ntohs(segment->length); 360a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGV("JFIF Segment, type %x length %x", type, length); 361a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size += length + MARKER_LENGTH; 362a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 363a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 364a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Find End of Image 365a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray // Scan JPEG buffer until End of Image (EOI) 366a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray bool foundEnd = false; 367ddf3c5025e2f6f35a4c188c19f30142c64a092c4Igor Murashkin for ( ; size <= maxSize - MARKER_LENGTH; size++) { 3680fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray if ( checkJpegEnd(jpegBuffer + size) ) { 369a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray foundEnd = true; 370a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size += MARKER_LENGTH; 371a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray break; 372a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 373a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 374a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (!foundEnd) { 375a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGE("Could not find end of JPEG marker"); 376a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return 0; 377a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 378a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 379a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray if (size > maxSize) { 380a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray ALOGW("JPEG size %d too large, reducing to maxSize %d", size, maxSize); 381a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray size = maxSize; 382a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray } 3830fa1e760f7093d025c977e5813e8d3a04c863ce3Alex Ray ALOGV("Final JPEG size %d", size); 384a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray return size; 385a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray} 386a6b4c40e70eafc5aba16163999de6d3e26667b89Alex Ray 387ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala}; // namespace camera2 388ea0d51b5ed0b474433b02414f9133b835f972569Eino-Ville Talvala}; // namespace android 389