path: root/v3/EmulatedFakeCamera3.cpp (plain)
blob: a23fa1dbc47dde5d5fb4a00ba8a6e71102580956

1	/*
2	* Copyright (C) 2013 The Android Open Source Project
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	/*
18	* Contains implementation of a class EmulatedFakeCamera3 that encapsulates
19	* functionality of an advanced fake camera.
20	*/
21
22	#include <inttypes.h>
23
24	//#define LOG_NDEBUG 0
25	//#define LOG_NNDEBUG 0
26	#define LOG_TAG "EmulatedCamera_FakeCamera3"
27	#include <utils/Log.h>
28
29	#include "EmulatedFakeCamera3.h"
30	#include "EmulatedCameraFactory.h"
31	#include <ui/Fence.h>
32	#include <ui/Rect.h>
33	#include <ui/GraphicBufferMapper.h>
34	#include <sys/types.h>
35
36	#include <cutils/properties.h>
37	#include "fake-pipeline2/Sensor.h"
38	#include "fake-pipeline2/JpegCompressor.h"
39	#include <cmath>
40	#include <gralloc_priv.h>
41	#include <binder/IPCThreadState.h>
42
43	#if defined(LOG_NNDEBUG) && LOG_NNDEBUG == 0
44	#define ALOGVV ALOGV
45	#else
46	#define ALOGVV(...) ((void)0)
47	#endif
48
49	namespace android {
50
51	/**
52	* Constants for camera capabilities
53	*/
54
55	const int64_t USEC = 1000LL;
56	const int64_t MSEC = USEC * 1000LL;
57	const int64_t SEC = MSEC * 1000LL;
58
59
60	const int32_t EmulatedFakeCamera3::kAvailableFormats[] = {
61	//HAL_PIXEL_FORMAT_RAW_SENSOR,
62	HAL_PIXEL_FORMAT_BLOB,
63	//HAL_PIXEL_FORMAT_RGBA_8888,
64	HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED,
65	// These are handled by YCbCr_420_888
66	HAL_PIXEL_FORMAT_YV12,
67	HAL_PIXEL_FORMAT_YCrCb_420_SP,
68	//HAL_PIXEL_FORMAT_YCbCr_422_I,
69	HAL_PIXEL_FORMAT_YCbCr_420_888
70	};
71
72	const uint32_t EmulatedFakeCamera3::kAvailableRawSizes[2] = {
73	640, 480
74	// Sensor::kResolution[0], Sensor::kResolution[1]
75	};
76
77	const uint64_t EmulatedFakeCamera3::kAvailableRawMinDurations[1] = {
78	(const uint64_t)Sensor::kFrameDurationRange[0]
79	};
80
81	const uint32_t EmulatedFakeCamera3::kAvailableProcessedSizesBack[6] = {
82	640, 480, 320, 240,// 1280, 720
83	// Sensor::kResolution[0], Sensor::kResolution[1]
84	};
85
86	const uint32_t EmulatedFakeCamera3::kAvailableProcessedSizesFront[4] = {
87	640, 480, 320, 240
88	// Sensor::kResolution[0], Sensor::kResolution[1]
89	};
90
91	const uint64_t EmulatedFakeCamera3::kAvailableProcessedMinDurations[1] = {
92	(const uint64_t)Sensor::kFrameDurationRange[0]
93	};
94
95	const uint32_t EmulatedFakeCamera3::kAvailableJpegSizesBack[2] = {
96	1280,720
97	// Sensor::kResolution[0], Sensor::kResolution[1]
98	};
99
100	const uint32_t EmulatedFakeCamera3::kAvailableJpegSizesFront[2] = {
101	640, 480
102	// Sensor::kResolution[0], Sensor::kResolution[1]
103	};
104
105
106	const uint64_t EmulatedFakeCamera3::kAvailableJpegMinDurations[1] = {
107	(const uint64_t)Sensor::kFrameDurationRange[0]
108	};
109
110	/**
111	* 3A constants
112	*/
113
114	// Default exposure and gain targets for different scenarios
115	const nsecs_t EmulatedFakeCamera3::kNormalExposureTime = 10 * MSEC;
116	const nsecs_t EmulatedFakeCamera3::kFacePriorityExposureTime = 30 * MSEC;
117	const int EmulatedFakeCamera3::kNormalSensitivity = 100;
118	const int EmulatedFakeCamera3::kFacePrioritySensitivity = 400;
119	const float EmulatedFakeCamera3::kExposureTrackRate = 0.1;
120	const int EmulatedFakeCamera3::kPrecaptureMinFrames = 10;
121	const int EmulatedFakeCamera3::kStableAeMaxFrames = 100;
122	const float EmulatedFakeCamera3::kExposureWanderMin = -2;
123	const float EmulatedFakeCamera3::kExposureWanderMax = 1;
124
125	/**
126	* Camera device lifecycle methods
127	*/
128	static const ssize_t kMinJpegBufferSize = 256 * 1024 + sizeof(camera3_jpeg_blob);
129	jpegsize EmulatedFakeCamera3::getMaxJpegResolution(uint32_t picSizes[],int count) {
130	uint32_t maxJpegWidth = 0, maxJpegHeight = 0;
131	jpegsize maxJpegResolution;
132	for (int i=0; i < count; i+= 4) {
133	uint32_t width = picSizes[i+1];
134	uint32_t height = picSizes[i+2];
135	if (picSizes[i+0] == HAL_PIXEL_FORMAT_BLOB &&
136	(width * height > maxJpegWidth * maxJpegHeight)) {
137	maxJpegWidth = width;
138	maxJpegHeight = height;
139	}
140	}
141	maxJpegResolution.width = maxJpegWidth;
142	maxJpegResolution.height = maxJpegHeight;
143	return maxJpegResolution;
144	}
145	ssize_t EmulatedFakeCamera3::getJpegBufferSize(int width, int height) {
146	if (maxJpegResolution.width == 0) {
147	return BAD_VALUE;
148	}
149	ssize_t maxJpegBufferSize = JpegCompressor::kMaxJpegSize;
150
151	// Calculate final jpeg buffer size for the given resolution.
152	float scaleFactor = ((float) (width * height)) /
153	(maxJpegResolution.width * maxJpegResolution.height);
154	ssize_t jpegBufferSize = scaleFactor * maxJpegBufferSize;
155	// Bound the buffer size to [MIN_JPEG_BUFFER_SIZE, maxJpegBufferSize].
156	if (jpegBufferSize > maxJpegBufferSize) {
157	jpegBufferSize = maxJpegBufferSize;
158	} else if (jpegBufferSize < kMinJpegBufferSize) {
159	jpegBufferSize = kMinJpegBufferSize;
160	}
161	return jpegBufferSize;
162	}
163
164	EmulatedFakeCamera3::EmulatedFakeCamera3(int cameraId, struct hw_module_t* module) :
165	EmulatedCamera3(cameraId, module) {
166	ALOGI("Constructing emulated fake camera 3 cameraID:%d", mCameraID);
167
168	for (size_t i = 0; i < CAMERA3_TEMPLATE_COUNT; i++) {
169	mDefaultTemplates[i] = NULL;
170	}
171
172	/**
173	* Front cameras = limited mode
174	* Back cameras = full mode
175	*/
176	//TODO limited or full mode, read this from camera driver
177	//mFullMode = facingBack;
178	mCameraStatus = CAMERA_INIT;
179	mSupportCap = 0;
180	mSupportRotate = 0;
181	mFullMode = 0;
182
183	gLoadXml.parseXMLFile();
184	}
185
186	EmulatedFakeCamera3::~EmulatedFakeCamera3() {
187	for (size_t i = 0; i < CAMERA3_TEMPLATE_COUNT; i++) {
188	if (mDefaultTemplates[i] != NULL) {
189	free_camera_metadata(mDefaultTemplates[i]);
190	}
191	}
192
193	if (mCameraInfo != NULL) {
194	CAMHAL_LOGIA("free mCameraInfo");
195	free_camera_metadata(mCameraInfo);
196	mCameraInfo = NULL;
197	}
198	}
199
200	status_t EmulatedFakeCamera3::Initialize() {
201	DBG_LOGB("mCameraID=%d,mStatus=%d,ddd\n", mCameraID, mStatus);
202	status_t res;
203
204	#ifdef HAVE_VERSION_INFO
205	CAMHAL_LOGIB("\n--------------------------------\n"
206	"author:aml.sh multi-media team\n"
207	"branch name: %s\n"
208	"git version: %s \n"
209	"last changed: %s\n"
210	"build-time: %s\n"
211	"build-name: %s\n"
212	"uncommitted-file-num:%d\n"
213	"ssh user@%s, cd %s\n"
214	"hostname %s\n"
215	"--------------------------------\n",
216	CAMHAL_BRANCH_NAME,
217	CAMHAL_GIT_VERSION,
218	CAMHAL_LAST_CHANGED,
219	CAMHAL_BUILD_TIME,
220	CAMHAL_BUILD_NAME,
221	CAMHAL_GIT_UNCOMMIT_FILE_NUM,
222	CAMHAL_IP, CAMHAL_PATH, CAMHAL_HOSTNAME
223	);
224	#endif
225
226
227	if (mStatus != STATUS_ERROR) {
228	ALOGE("%s: Already initialized!", __FUNCTION__);
229	return INVALID_OPERATION;
230	}
231
232	res = constructStaticInfo();
233	if (res != OK) {
234	ALOGE("%s: Unable to allocate static info: %s (%d)",
235	__FUNCTION__, strerror(-res), res);
236	return res;
237	}
238
239	return EmulatedCamera3::Initialize();
240	}
241
242	status_t EmulatedFakeCamera3::connectCamera(hw_device_t** device) {
243	ALOGV("%s: E", __FUNCTION__);
244	DBG_LOGA("ddd");
245	Mutex::Autolock l(mLock);
246	status_t res;
247
248	if ((mStatus != STATUS_CLOSED) || !mPlugged) {
249	ALOGE("%s: Can't connect in state %d, mPlugged=%d",
250	__FUNCTION__, mStatus, mPlugged);
251	return INVALID_OPERATION;
252	}
253
254	mSensor = new Sensor();
255	mSensor->setSensorListener(this);
256
257	res = mSensor->startUp(mCameraID);
258	DBG_LOGB("mSensor startUp, mCameraID=%d\n", mCameraID);
259	if (res != NO_ERROR) return res;
260
261	mSupportCap = mSensor->IoctlStateProbe();
262	if (mSupportCap & IOCTL_MASK_ROTATE) {
263	mSupportRotate = true;
264	}
265
266	mReadoutThread = new ReadoutThread(this);
267	mJpegCompressor = new JpegCompressor();
268
269	res = mReadoutThread->setJpegCompressorListener(this);
270	if (res != NO_ERROR) {
271	return res;
272	}
273	res = mReadoutThread->startJpegCompressor(this);
274	if (res != NO_ERROR) {
275	return res;
276	}
277
278	res = mReadoutThread->run("EmuCam3::readoutThread");
279	if (res != NO_ERROR) return res;
280
281	// Initialize fake 3A
282
283	mControlMode = ANDROID_CONTROL_MODE_AUTO;
284	mFacePriority = false;
285	mAeMode = ANDROID_CONTROL_AE_MODE_ON;
286	mAfMode = ANDROID_CONTROL_AF_MODE_AUTO;
287	mAwbMode = ANDROID_CONTROL_AWB_MODE_AUTO;
288	mAeState = ANDROID_CONTROL_AE_STATE_CONVERGED;//ANDROID_CONTROL_AE_STATE_INACTIVE;
289	mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
290	mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
291	mAfTriggerId = 0;
292	mAeCurrentExposureTime = kNormalExposureTime;
293	mAeCurrentSensitivity = kNormalSensitivity;
294
295	return EmulatedCamera3::connectCamera(device);
296	}
297
298	status_t EmulatedFakeCamera3::plugCamera() {
299	{
300	Mutex::Autolock l(mLock);
301
302	if (!mPlugged) {
303	CAMHAL_LOGIB("%s: Plugged back in", __FUNCTION__);
304	mPlugged = true;
305	}
306	}
307
308	return NO_ERROR;
309	}
310
311	status_t EmulatedFakeCamera3::unplugCamera() {
312	{
313	Mutex::Autolock l(mLock);
314
315	if (mPlugged) {
316	CAMHAL_LOGIB("%s: Unplugged camera", __FUNCTION__);
317	mPlugged = false;
318	}
319	}
320	return true;
321	}
322
323	camera_device_status_t EmulatedFakeCamera3::getHotplugStatus() {
324	Mutex::Autolock l(mLock);
325	return mPlugged ?
326	CAMERA_DEVICE_STATUS_PRESENT :
327	CAMERA_DEVICE_STATUS_NOT_PRESENT;
328	}
329
330	bool EmulatedFakeCamera3::getCameraStatus()
331	{
332	CAMHAL_LOGVB("%s, mCameraStatus = %d",__FUNCTION__,mCameraStatus);
333	bool ret = false;
334	if (mStatus == STATUS_CLOSED) {
335	ret = true;
336	} else {
337	ret = false;
338	}
339	return ret;
340	}
341
342	status_t EmulatedFakeCamera3::closeCamera() {
343	DBG_LOGB("%s, %d\n", __FUNCTION__, __LINE__);
344
345	status_t res;
346	{
347	Mutex::Autolock l(mLock);
348	if (mStatus == STATUS_CLOSED) return OK;
349	}
350	mSensor->sendExitSingalToSensor();
351	res = mSensor->shutDown();
352	if (res != NO_ERROR) {
353	ALOGE("%s: Unable to shut down sensor: %d", __FUNCTION__, res);
354	return res;
355	}
356	mSensor.clear();
357
358	{
359	Mutex::Autolock l(mLock);
360	res = mReadoutThread->shutdownJpegCompressor(this);
361	if (res != OK) {
362	ALOGE("%s: Unable to shut down JpegCompressor: %d", __FUNCTION__, res);
363	return res;
364	}
365	mReadoutThread->sendExitReadoutThreadSignal();
366	mReadoutThread->requestExit();
367	}
368	mReadoutThread->join();
369	DBG_LOGA("Sucess exit ReadOutThread");
370	{
371	Mutex::Autolock l(mLock);
372	// Clear out private stream information
373	for (StreamIterator s = mStreams.begin(); s != mStreams.end(); s++) {
374	PrivateStreamInfo *privStream =
375	static_cast<PrivateStreamInfo*>((*s)->priv);
376	delete privStream;
377	(*s)->priv = NULL;
378	}
379	mStreams.clear();
380	mReadoutThread.clear();
381	}
382
383	return EmulatedCamera3::closeCamera();
384	}
385
386	status_t EmulatedFakeCamera3::getCameraInfo(struct camera_info *info) {
387	char property[PROPERTY_VALUE_MAX];
388	char* tempApkName = gLoadXml.getApkPackageName(IPCThreadState::self()->getCallingPid());
389	List_Or * temp=new List_Or();
390	info->facing = mFacingBack ? CAMERA_FACING_BACK : CAMERA_FACING_FRONT;
391	if (mSensorType == SENSOR_USB) {
392	if (mFacingBack) {
393	property_get("hw.camera.orientation.back", property, "0");
394	} else {
395	property_get("hw.camera.orientation.front", property, "0");
396	}
397	int32_t orientation = atoi(property);
398
399	if (gLoadXml.findApkCp(tempApkName, temp)) {
400	orientation = atoi(temp->pro);
401	}
402	if (temp != NULL) {
403	delete temp;
404	temp = NULL;
405	}
406
407	property_get("hw.camera.usb.orientation_offset", property, "0");
408	orientation += atoi(property);
409	orientation %= 360;
410	info->orientation = orientation ;
411	} else {
412	if (mFacingBack) {
413	property_get("hw.camera.orientation.back", property, "270");
414	} else {
415	property_get("hw.camera.orientation.front", property, "90");
416	}
417	info->orientation = atoi(property);
418	}
419	return EmulatedCamera3::getCameraInfo(info);
420	}
421
422	/**
423	* Camera3 interface methods
424	*/
425
426	void EmulatedFakeCamera3::getValidJpegSize(uint32_t picSizes[], uint32_t availablejpegsize[], int count) {
427	int i,j,k;
428	bool valid = true;
429	for (i=0,j=0; i < count; i+= 4) {
430	for (k= 0; k<=j ;k+=2) {
431	if ((availablejpegsize[k]*availablejpegsize[k+1]) == (picSizes[i+1]*picSizes[i+2])) {
432
433	valid = false;
434	}
435	}
436	if (valid) {
437	availablejpegsize[j] = picSizes[i+1];
438	availablejpegsize[j+1] = picSizes[i+2];
439	j+=2;
440	}
441	valid = true;
442	}
443	}
444
445	status_t EmulatedFakeCamera3::checkValidJpegSize(uint32_t width, uint32_t height) {
446
447	int validsizecount = 0;
448	uint32_t count = sizeof(mAvailableJpegSize)/sizeof(mAvailableJpegSize[0]);
449	for (uint32_t f = 0; f < count; f+=2) {
450	if (mAvailableJpegSize[f] != 0) {
451	if ((mAvailableJpegSize[f] == width)&&(mAvailableJpegSize[f+1] == height)) {
452	validsizecount++;
453	}
454	} else {
455	break;
456	}
457	}
458	if (validsizecount == 0)
459	return BAD_VALUE;
460	return OK;
461	}
462
463	status_t EmulatedFakeCamera3::configureStreams(
464	camera3_stream_configuration *streamList) {
465	Mutex::Autolock l(mLock);
466	uint32_t width, height, pixelfmt;
467	bool isRestart = false;
468	DBG_LOGB("%s: %d streams", __FUNCTION__, streamList->num_streams);
469
470	if (mStatus != STATUS_OPEN && mStatus != STATUS_READY) {
471	ALOGE("%s: Cannot configure streams in state %d",
472	__FUNCTION__, mStatus);
473	return NO_INIT;
474	}
475
476	/**
477	* Sanity-check input list.
478	*/
479	if (streamList == NULL) {
480	ALOGE("%s: NULL stream configuration", __FUNCTION__);
481	return BAD_VALUE;
482	}
483
484	if (streamList->streams == NULL) {
485	ALOGE("%s: NULL stream list", __FUNCTION__);
486	return BAD_VALUE;
487	}
488
489	if (streamList->num_streams < 1) {
490	ALOGE("%s: Bad number of streams requested: %d", __FUNCTION__,
491	streamList->num_streams);
492	return BAD_VALUE;
493	}
494
495	camera3_stream_t *inputStream = NULL;
496	for (size_t i = 0; i < streamList->num_streams; i++) {
497	camera3_stream_t *newStream = streamList->streams[i];
498
499	if (newStream == NULL) {
500	ALOGE("%s: Stream index %zu was NULL",
501	__FUNCTION__, i);
502	return BAD_VALUE;
503	}
504
505	if (newStream->max_buffers <= 0) {
506	isRestart = true;//mSensor->isNeedRestart(newStream->width, newStream->height, newStream->format);
507	DBG_LOGB("format=%x, w*h=%dx%d, stream_type=%d, max_buffers=%d, isRestart=%d\n",
508	newStream->format, newStream->width, newStream->height,
509	newStream->stream_type, newStream->max_buffers,
510	isRestart);
511	}
512	ALOGV("%s: Stream %p (id %zu), type %d, usage 0x%x, format 0x%x",
513	__FUNCTION__, newStream, i, newStream->stream_type,
514	newStream->usage,
515	newStream->format);
516
517	if (newStream->stream_type == CAMERA3_STREAM_INPUT ||
518	newStream->stream_type == CAMERA3_STREAM_BIDIRECTIONAL) {
519	if (inputStream != NULL) {
520
521	ALOGE("%s: Multiple input streams requested!", __FUNCTION__);
522	return BAD_VALUE;
523	}
524	inputStream = newStream;
525	}
526
527	bool validFormat = false;
528	for (size_t f = 0;
529	f < sizeof(kAvailableFormats)/sizeof(kAvailableFormats[0]);
530	f++) {
531	if (newStream->format == kAvailableFormats[f]) {
532	validFormat = true;
533	//HAL_PIXEL_FORMAT_YCrCb_420_SP,
534	if (HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED == newStream->format)
535	newStream->format = HAL_PIXEL_FORMAT_YCrCb_420_SP;
536
537	break;
538	}
539	DBG_LOGB("stream_type=%d\n", newStream->stream_type);
540	}
541	if (!validFormat) {
542	ALOGE("%s: Unsupported stream format 0x%x requested",
543	__FUNCTION__, newStream->format);
544	return BAD_VALUE;
545	}
546
547	status_t ret = checkValidJpegSize(newStream->width, newStream->height);
548	if (ret != OK) {
549	return BAD_VALUE;
550	}
551
552	}
553	mInputStream = inputStream;
554	width = 0;
555	height = 0;
556	for (size_t i = 0; i < streamList->num_streams; i++) {
557	camera3_stream_t *newStream = streamList->streams[i];
558	DBG_LOGB("find propert width and height, format=%x, w*h=%dx%d, stream_type=%d, max_buffers=%d\n",
559	newStream->format, newStream->width, newStream->height, newStream->stream_type, newStream->max_buffers);
560	if ((HAL_PIXEL_FORMAT_BLOB != newStream->format) &&
561	(CAMERA3_STREAM_OUTPUT == newStream->stream_type)) {
562
563	if (width < newStream->width)
564	width = newStream->width;
565
566	if (height < newStream->height)
567	height = newStream->height;
568
569	pixelfmt = (uint32_t)newStream->format;
570	if (HAL_PIXEL_FORMAT_YCbCr_420_888 == pixelfmt)
571	pixelfmt = HAL_PIXEL_FORMAT_YCrCb_420_SP;
572	}
573
574	}
575
576	//TODO modify this ugly code
577	if (isRestart) {
578	isRestart = mSensor->isNeedRestart(width, height, pixelfmt);
579	}
580
581	if (isRestart) {
582	mSensor->streamOff();
583	pixelfmt = mSensor->halFormatToSensorFormat(pixelfmt);
584	mSensor->setOutputFormat(width, height, pixelfmt, 0);
585	mSensor->streamOn();
586	DBG_LOGB("width=%d, height=%d, pixelfmt=%.4s\n",
587	width, height, (char*)&pixelfmt);
588	}
589
590	/**
591	* Initially mark all existing streams as not alive
592	*/
593	for (StreamIterator s = mStreams.begin(); s != mStreams.end(); ++s) {
594	PrivateStreamInfo *privStream =
595	static_cast<PrivateStreamInfo*>((*s)->priv);
596	privStream->alive = false;
597	}
598
599	/**
600	* Find new streams and mark still-alive ones
601	*/
602	for (size_t i = 0; i < streamList->num_streams; i++) {
603	camera3_stream_t *newStream = streamList->streams[i];
604	if (newStream->priv == NULL) {
605	// New stream, construct info
606	PrivateStreamInfo *privStream = new PrivateStreamInfo();
607	privStream->alive = true;
608	privStream->registered = false;
609
610	newStream->usage =
611	mSensor->getStreamUsage(newStream->stream_type);
612
613	DBG_LOGB("stream_type=%d\n", newStream->stream_type);
614	newStream->max_buffers = kMaxBufferCount;
615	newStream->priv = privStream;
616	mStreams.push_back(newStream);
617	} else {
618	// Existing stream, mark as still alive.
619	PrivateStreamInfo *privStream =
620	static_cast<PrivateStreamInfo*>(newStream->priv);
621	CAMHAL_LOGDA("Existing stream ?");
622	privStream->alive = true;
623	}
624	DBG_LOGB("%d, newStream=%p, stream_type=%d, usage=%x, priv=%p, w*h=%dx%d\n",
625	i, newStream, newStream->stream_type, newStream->usage, newStream->priv, newStream->width, newStream->height);
626	}
627
628	/**
629	* Reap the dead streams
630	*/
631	for (StreamIterator s = mStreams.begin(); s != mStreams.end();) {
632	PrivateStreamInfo *privStream =
633	static_cast<PrivateStreamInfo*>((*s)->priv);
634	if (!privStream->alive) {
635	DBG_LOGA("delete not alive streams");
636	(*s)->priv = NULL;
637	delete privStream;
638	s = mStreams.erase(s);
639	} else {
640	++s;
641	}
642	}
643
644	/**
645	* Can't reuse settings across configure call
646	*/
647	mPrevSettings.clear();
648
649	return OK;
650	}
651
652	status_t EmulatedFakeCamera3::registerStreamBuffers(
653	const camera3_stream_buffer_set *bufferSet) {
654	DBG_LOGB("%s: E", __FUNCTION__);
655	Mutex::Autolock l(mLock);
656
657	/**
658	* Sanity checks
659	*/
660	DBG_LOGA("==========sanity checks\n");
661
662	// OK: register streams at any time during configure
663	// (but only once per stream)
664	if (mStatus != STATUS_READY && mStatus != STATUS_ACTIVE) {
665	ALOGE("%s: Cannot register buffers in state %d",
666	__FUNCTION__, mStatus);
667	return NO_INIT;
668	}
669
670	if (bufferSet == NULL) {
671	ALOGE("%s: NULL buffer set!", __FUNCTION__);
672	return BAD_VALUE;
673	}
674
675	StreamIterator s = mStreams.begin();
676	for (; s != mStreams.end(); ++s) {
677	if (bufferSet->stream == *s) break;
678	}
679	if (s == mStreams.end()) {
680	ALOGE("%s: Trying to register buffers for a non-configured stream!",
681	__FUNCTION__);
682	return BAD_VALUE;
683	}
684
685	/**
686	* Register the buffers. This doesn't mean anything to the emulator besides
687	* marking them off as registered.
688	*/
689
690	PrivateStreamInfo *privStream =
691	static_cast<PrivateStreamInfo*>((*s)->priv);
692
693	#if 0
694	if (privStream->registered) {
695	ALOGE("%s: Illegal to register buffer more than once", __FUNCTION__);
696	return BAD_VALUE;
697	}
698	#endif
699
700	privStream->registered = true;
701
702	return OK;
703	}
704
705	const camera_metadata_t* EmulatedFakeCamera3::constructDefaultRequestSettings(
706	int type) {
707	DBG_LOGB("%s: E", __FUNCTION__);
708	Mutex::Autolock l(mLock);
709
710	if (type < 0 || type >= CAMERA3_TEMPLATE_COUNT) {
711	ALOGE("%s: Unknown request settings template: %d",
712	__FUNCTION__, type);
713	return NULL;
714	}
715
716	/**
717	* Cache is not just an optimization - pointer returned has to live at
718	* least as long as the camera device instance does.
719	*/
720	if (mDefaultTemplates[type] != NULL) {
721	return mDefaultTemplates[type];
722	}
723
724	CameraMetadata settings;
725
726	/** android.request */
727	static const uint8_t requestType = ANDROID_REQUEST_TYPE_CAPTURE;
728	settings.update(ANDROID_REQUEST_TYPE, &requestType, 1);
729
730	static const uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL;
731	settings.update(ANDROID_REQUEST_METADATA_MODE, &metadataMode, 1);
732
733	static const int32_t id = 0;
734	settings.update(ANDROID_REQUEST_ID, &id, 1);
735
736	static const int32_t frameCount = 0;
737	settings.update(ANDROID_REQUEST_FRAME_COUNT, &frameCount, 1);
738
739	/** android.lens */
740
741	static const float focusDistance = 0;
742	settings.update(ANDROID_LENS_FOCUS_DISTANCE, &focusDistance, 1);
743
744	static const float aperture = 2.8f;
745	settings.update(ANDROID_LENS_APERTURE, &aperture, 1);
746
747	// static const float focalLength = 5.0f;
748	static const float focalLength = 3.299999952316284f;
749	settings.update(ANDROID_LENS_FOCAL_LENGTH, &focalLength, 1);
750
751	static const float filterDensity = 0;
752	settings.update(ANDROID_LENS_FILTER_DENSITY, &filterDensity, 1);
753
754	static const uint8_t opticalStabilizationMode =
755	ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF;
756	settings.update(ANDROID_LENS_OPTICAL_STABILIZATION_MODE,
757	&opticalStabilizationMode, 1);
758
759	// FOCUS_RANGE set only in frame
760
761	/** android.sensor */
762
763	static const int32_t testAvailablePattern = ANDROID_SENSOR_TEST_PATTERN_MODE_OFF;
764	settings.update(ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES, &testAvailablePattern, 1);
765	static const int32_t testPattern = ANDROID_SENSOR_TEST_PATTERN_MODE_OFF;
766	settings.update(ANDROID_SENSOR_TEST_PATTERN_MODE, &testPattern, 1);
767	static const int64_t exposureTime = 10 * MSEC;
768	settings.update(ANDROID_SENSOR_EXPOSURE_TIME, &exposureTime, 1);
769
770	int64_t frameDuration = mSensor->getMinFrameDuration();
771	settings.update(ANDROID_SENSOR_FRAME_DURATION, &frameDuration, 1);
772
773	static const int32_t sensitivity = 100;
774	settings.update(ANDROID_SENSOR_SENSITIVITY, &sensitivity, 1);
775
776	static const int64_t rollingShutterSkew = 0;
777	settings.update(ANDROID_SENSOR_ROLLING_SHUTTER_SKEW, &rollingShutterSkew, 1);
778	// TIMESTAMP set only in frame
779
780	/** android.flash */
781
782	static const uint8_t flashstate = ANDROID_FLASH_STATE_UNAVAILABLE;
783	settings.update(ANDROID_FLASH_STATE, &flashstate, 1);
784
785	static const uint8_t flashMode = ANDROID_FLASH_MODE_OFF;
786	settings.update(ANDROID_FLASH_MODE, &flashMode, 1);
787
788	static const uint8_t flashPower = 10;
789	settings.update(ANDROID_FLASH_FIRING_POWER, &flashPower, 1);
790
791	static const int64_t firingTime = 0;
792	settings.update(ANDROID_FLASH_FIRING_TIME, &firingTime, 1);
793
794	/** Processing block modes */
795	uint8_t hotPixelMode = 0;
796	uint8_t demosaicMode = 0;
797	uint8_t noiseMode = 0;
798	uint8_t shadingMode = 0;
799	uint8_t colorMode = 0;
800	uint8_t tonemapMode = 0;
801	uint8_t edgeMode = 0;
802	switch (type) {
803
804	case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
805	case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
806	noiseMode = ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY;
807	// fall-through
808	case CAMERA3_TEMPLATE_STILL_CAPTURE:
809	hotPixelMode = ANDROID_HOT_PIXEL_MODE_HIGH_QUALITY;
810	demosaicMode = ANDROID_DEMOSAIC_MODE_HIGH_QUALITY;
811	shadingMode = ANDROID_SHADING_MODE_HIGH_QUALITY;
812	colorMode = ANDROID_COLOR_CORRECTION_MODE_HIGH_QUALITY;
813	tonemapMode = ANDROID_TONEMAP_MODE_HIGH_QUALITY;
814	edgeMode = ANDROID_EDGE_MODE_HIGH_QUALITY;
815	break;
816	case CAMERA3_TEMPLATE_PREVIEW:
817	// fall-through
818	case CAMERA3_TEMPLATE_VIDEO_RECORD:
819	// fall-through
820	case CAMERA3_TEMPLATE_MANUAL:
821	// fall-through
822	default:
823	hotPixelMode = ANDROID_HOT_PIXEL_MODE_FAST;
824	demosaicMode = ANDROID_DEMOSAIC_MODE_FAST;
825	noiseMode = ANDROID_NOISE_REDUCTION_MODE_FAST;
826	shadingMode = ANDROID_SHADING_MODE_FAST;
827	colorMode = ANDROID_COLOR_CORRECTION_MODE_FAST;
828	tonemapMode = ANDROID_TONEMAP_MODE_FAST;
829	edgeMode = ANDROID_EDGE_MODE_FAST;
830	break;
831	}
832	settings.update(ANDROID_HOT_PIXEL_MODE, &hotPixelMode, 1);
833	settings.update(ANDROID_DEMOSAIC_MODE, &demosaicMode, 1);
834	settings.update(ANDROID_NOISE_REDUCTION_MODE, &noiseMode, 1);
835	settings.update(ANDROID_SHADING_MODE, &shadingMode, 1);
836	settings.update(ANDROID_COLOR_CORRECTION_MODE, &colorMode, 1);
837	settings.update(ANDROID_TONEMAP_MODE, &tonemapMode, 1);
838	settings.update(ANDROID_EDGE_MODE, &edgeMode, 1);
839
840	/** android.noise */
841	static const uint8_t noiseStrength = 5;
842	settings.update(ANDROID_NOISE_REDUCTION_STRENGTH, &noiseStrength, 1);
843	static uint8_t availableNBModes[] = {
844	ANDROID_NOISE_REDUCTION_MODE_OFF,
845	ANDROID_NOISE_REDUCTION_MODE_FAST,
846	ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY,
847	};
848	settings.update(ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES,
849	availableNBModes, sizeof(availableNBModes)/sizeof(availableNBModes));
850
851
852	/** android.color */
853	static const float colorTransform[9] = {
854	1.0f, 0.f, 0.f,
855	0.f, 1.f, 0.f,
856	0.f, 0.f, 1.f
857	};
858	settings.update(ANDROID_COLOR_CORRECTION_TRANSFORM, colorTransform, 9);
859
860	/** android.tonemap */
861	static const float tonemapCurve[4] = {
862	0.f, 0.f,
863	1.f, 1.f
864	};
865	settings.update(ANDROID_TONEMAP_CURVE_RED, tonemapCurve, 4);
866	settings.update(ANDROID_TONEMAP_CURVE_GREEN, tonemapCurve, 4);
867	settings.update(ANDROID_TONEMAP_CURVE_BLUE, tonemapCurve, 4);
868
869	/** android.edge */
870	static const uint8_t edgeStrength = 5;
871	settings.update(ANDROID_EDGE_STRENGTH, &edgeStrength, 1);
872
873	/** android.scaler */
874	static const uint8_t croppingType = ANDROID_SCALER_CROPPING_TYPE_CENTER_ONLY;
875	settings.update(ANDROID_SCALER_CROPPING_TYPE, &croppingType, 1);
876
877	static const int32_t cropRegion[] = {
878	0, 0, (int32_t)Sensor::kResolution[0], (int32_t)Sensor::kResolution[1],
879	};
880	settings.update(ANDROID_SCALER_CROP_REGION, cropRegion, 4);
881
882	/** android.jpeg */
883	static const uint8_t jpegQuality = 80;
884	settings.update(ANDROID_JPEG_QUALITY, &jpegQuality, 1);
885
886	static const int32_t thumbnailSize[2] = {
887	160, 120
888	};
889	settings.update(ANDROID_JPEG_THUMBNAIL_SIZE, thumbnailSize, 2);
890
891	static const uint8_t thumbnailQuality = 80;
892	settings.update(ANDROID_JPEG_THUMBNAIL_QUALITY, &thumbnailQuality, 1);
893
894	static const double gpsCoordinates[3] = {
895	0, 0, 0
896	};
897	settings.update(ANDROID_JPEG_GPS_COORDINATES, gpsCoordinates, 3); //default 2 value
898
899	static const uint8_t gpsProcessingMethod[32] = "None";
900	settings.update(ANDROID_JPEG_GPS_PROCESSING_METHOD, gpsProcessingMethod, 32);
901
902	static const int64_t gpsTimestamp = 0;
903	settings.update(ANDROID_JPEG_GPS_TIMESTAMP, &gpsTimestamp, 1);
904
905	static const int32_t jpegOrientation = 0;
906	settings.update(ANDROID_JPEG_ORIENTATION, &jpegOrientation, 1);
907
908	/** android.stats */
909
910	static const uint8_t faceDetectMode =
911	ANDROID_STATISTICS_FACE_DETECT_MODE_OFF;
912	settings.update(ANDROID_STATISTICS_FACE_DETECT_MODE, &faceDetectMode, 1);
913
914	static const uint8_t histogramMode = ANDROID_STATISTICS_HISTOGRAM_MODE_OFF;
915	settings.update(ANDROID_STATISTICS_HISTOGRAM_MODE, &histogramMode, 1);
916
917	static const uint8_t sharpnessMapMode =
918	ANDROID_STATISTICS_SHARPNESS_MAP_MODE_OFF;
919	settings.update(ANDROID_STATISTICS_SHARPNESS_MAP_MODE, &sharpnessMapMode, 1);
920
921	static const uint8_t hotPixelMapMode = ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE_OFF;
922	settings.update(ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE,&hotPixelMapMode, 1);
923	static const uint8_t sceneFlicker = ANDROID_STATISTICS_SCENE_FLICKER_NONE;
924	settings.update(ANDROID_STATISTICS_SCENE_FLICKER,&sceneFlicker, 1);
925	static const uint8_t lensShadingMapMode = ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF;
926	settings.update(ANDROID_STATISTICS_LENS_SHADING_MAP_MODE,&lensShadingMapMode, 1);
927	// faceRectangles, faceScores, faceLandmarks, faceIds, histogram,
928	// sharpnessMap only in frames
929
930	/** android.control */
931
932	uint8_t controlIntent = 0;
933	uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO; //default value
934	uint8_t aeMode = ANDROID_CONTROL_AE_MODE_ON;
935	uint8_t awbMode = ANDROID_CONTROL_AWB_MODE_AUTO;
936	switch (type) {
937	case CAMERA3_TEMPLATE_PREVIEW:
938	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW;
939	break;
940	case CAMERA3_TEMPLATE_STILL_CAPTURE:
941	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE;
942	break;
943	case CAMERA3_TEMPLATE_VIDEO_RECORD:
944	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
945	break;
946	case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
947	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT;
948	break;
949	case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
950	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG;
951	break;
952	case CAMERA3_TEMPLATE_MANUAL:
953	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_MANUAL;
954	controlMode = ANDROID_CONTROL_MODE_OFF;
955	aeMode = ANDROID_CONTROL_AE_MODE_OFF;
956	awbMode = ANDROID_CONTROL_AWB_MODE_OFF;
957	break;
958	default:
959	controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_CUSTOM;
960	break;
961	}
962	settings.update(ANDROID_CONTROL_CAPTURE_INTENT, &controlIntent, 1);
963	settings.update(ANDROID_CONTROL_MODE, &controlMode, 1);
964
965	static const uint8_t effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF;
966	settings.update(ANDROID_CONTROL_EFFECT_MODE, &effectMode, 1);
967
968	static const uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY;
969	settings.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
970
971	settings.update(ANDROID_CONTROL_AE_MODE, &aeMode, 1);
972
973	static const uint8_t aeLock = ANDROID_CONTROL_AE_LOCK_OFF;
974	settings.update(ANDROID_CONTROL_AE_LOCK, &aeLock, 1);
975
976	static const uint8_t aePrecaptureTrigger =
977	ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE;
978	settings.update(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, &aePrecaptureTrigger, 1);
979
980	static const int32_t mAfTriggerId = 0;
981	settings.update(ANDROID_CONTROL_AF_TRIGGER_ID,&mAfTriggerId, 1);
982	static const uint8_t afTrigger = ANDROID_CONTROL_AF_TRIGGER_IDLE;
983	settings.update(ANDROID_CONTROL_AF_TRIGGER, &afTrigger, 1);
984
985	static const int32_t controlRegions[5] = {
986	0, 0, (int32_t)Sensor::kResolution[0], (int32_t)Sensor::kResolution[1],
987	1000
988	};
989	// settings.update(ANDROID_CONTROL_AE_REGIONS, controlRegions, 5);
990
991	static const int32_t aeExpCompensation = 0;
992	settings.update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &aeExpCompensation, 1);
993
994	static const int32_t aeTargetFpsRange[2] = {
995	30, 30
996	};
997	settings.update(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, aeTargetFpsRange, 2);
998
999	static const uint8_t aeAntibandingMode =
1000	ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO;
1001	settings.update(ANDROID_CONTROL_AE_ANTIBANDING_MODE, &aeAntibandingMode, 1);
1002
1003	settings.update(ANDROID_CONTROL_AWB_MODE, &awbMode, 1);
1004
1005	static const uint8_t awbLock = ANDROID_CONTROL_AWB_LOCK_OFF;
1006	settings.update(ANDROID_CONTROL_AWB_LOCK, &awbLock, 1);
1007
1008	// settings.update(ANDROID_CONTROL_AWB_REGIONS, controlRegions, 5);
1009
1010	uint8_t afMode = 0;
1011	switch (type) {
1012	case CAMERA3_TEMPLATE_PREVIEW:
1013	afMode = ANDROID_CONTROL_AF_MODE_AUTO;
1014	break;
1015	case CAMERA3_TEMPLATE_STILL_CAPTURE:
1016	afMode = ANDROID_CONTROL_AF_MODE_AUTO;
1017	break;
1018	case CAMERA3_TEMPLATE_VIDEO_RECORD:
1019	afMode = ANDROID_CONTROL_AF_MODE_AUTO;
1020	//afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO;
1021	break;
1022	case CAMERA3_TEMPLATE_VIDEO_SNAPSHOT:
1023	afMode = ANDROID_CONTROL_AF_MODE_AUTO;
1024	//afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO;
1025	break;
1026	case CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG:
1027	afMode = ANDROID_CONTROL_AF_MODE_AUTO;
1028	//afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE;
1029	break;
1030	case CAMERA3_TEMPLATE_MANUAL:
1031	afMode = ANDROID_CONTROL_AF_MODE_OFF;
1032	break;
1033	default:
1034	afMode = ANDROID_CONTROL_AF_MODE_AUTO;
1035	break;
1036	}
1037	settings.update(ANDROID_CONTROL_AF_MODE, &afMode, 1);
1038
1039	static const uint8_t afstate = ANDROID_CONTROL_AF_STATE_INACTIVE;
1040	settings.update(ANDROID_CONTROL_AF_STATE,&afstate,1);
1041
1042	// settings.update(ANDROID_CONTROL_AF_REGIONS, controlRegions, 5);
1043
1044	static const uint8_t aestate = ANDROID_CONTROL_AE_STATE_CONVERGED;
1045	settings.update(ANDROID_CONTROL_AE_STATE,&aestate,1);
1046	static const uint8_t awbstate = ANDROID_CONTROL_AWB_STATE_INACTIVE;
1047	settings.update(ANDROID_CONTROL_AWB_STATE,&awbstate,1);
1048	static const uint8_t vstabMode =
1049	ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF;
1050	settings.update(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, &vstabMode, 1);
1051
1052	// aeState, awbState, afState only in frame
1053
1054	mDefaultTemplates[type] = settings.release();
1055
1056	return mDefaultTemplates[type];
1057	}
1058
1059	status_t EmulatedFakeCamera3::processCaptureRequest(
1060	camera3_capture_request *request) {
1061	status_t res;
1062	nsecs_t exposureTime;
1063	nsecs_t frameDuration;
1064	uint32_t sensitivity;
1065	uint32_t frameNumber;
1066	bool mHaveThumbnail = false;
1067	CameraMetadata settings;
1068	Buffers *sensorBuffers = NULL;
1069	HalBufferVector *buffers = NULL;
1070	{
1071	Mutex::Autolock l(mLock);
1072
1073	/** Validation */
1074
1075	if (mStatus < STATUS_READY) {
1076	ALOGE("%s: Can't submit capture requests in state %d", __FUNCTION__,
1077	mStatus);
1078	return INVALID_OPERATION;
1079	}
1080
1081	if (request == NULL) {
1082	ALOGE("%s: NULL request!", __FUNCTION__);
1083	return BAD_VALUE;
1084	}
1085
1086	frameNumber = request->frame_number;
1087
1088	if (request->settings == NULL && mPrevSettings.isEmpty()) {
1089	ALOGE("%s: Request %d: NULL settings for first request after"
1090	"configureStreams()", __FUNCTION__, frameNumber);
1091	return BAD_VALUE;
1092	}
1093
1094	if (request->input_buffer != NULL &&
1095	request->input_buffer->stream != mInputStream) {
1096	DBG_LOGB("%s: Request %d: Input buffer not from input stream!",
1097	__FUNCTION__, frameNumber);
1098	DBG_LOGB("%s: Bad stream %p, expected: %p",
1099	__FUNCTION__, request->input_buffer->stream,
1100	mInputStream);
1101	DBG_LOGB("%s: Bad stream type %d, expected stream type %d",
1102	__FUNCTION__, request->input_buffer->stream->stream_type,
1103	mInputStream ? mInputStream->stream_type : -1);
1104
1105	return BAD_VALUE;
1106	}
1107
1108	if (request->num_output_buffers < 1 || request->output_buffers == NULL) {
1109	ALOGE("%s: Request %d: No output buffers provided!",
1110	__FUNCTION__, frameNumber);
1111	return BAD_VALUE;
1112	}
1113
1114	// Validate all buffers, starting with input buffer if it's given
1115
1116	ssize_t idx;
1117	const camera3_stream_buffer_t *b;
1118	if (request->input_buffer != NULL) {
1119	idx = -1;
1120	b = request->input_buffer;
1121	} else {
1122	idx = 0;
1123	b = request->output_buffers;
1124	}
1125	do {
1126	PrivateStreamInfo *priv =
1127	static_cast<PrivateStreamInfo*>(b->stream->priv);
1128	if (priv == NULL) {
1129	ALOGE("%s: Request %d: Buffer %zu: Unconfigured stream!",
1130	__FUNCTION__, frameNumber, idx);
1131	return BAD_VALUE;
1132	}
1133	#if 0
1134	if (!priv->alive || !priv->registered) {
1135	ALOGE("%s: Request %d: Buffer %zu: Unregistered or dead stream! alive=%d, registered=%d\n",
1136	__FUNCTION__, frameNumber, idx,
1137	priv->alive, priv->registered);
1138	//return BAD_VALUE;
1139	}
1140	#endif
1141	if (b->status != CAMERA3_BUFFER_STATUS_OK) {
1142	ALOGE("%s: Request %d: Buffer %zu: Status not OK!",
1143	__FUNCTION__, frameNumber, idx);
1144	return BAD_VALUE;
1145	}
1146	if (b->release_fence != -1) {
1147	ALOGE("%s: Request %d: Buffer %zu: Has a release fence!",
1148	__FUNCTION__, frameNumber, idx);
1149	return BAD_VALUE;
1150	}
1151	if (b->buffer == NULL) {
1152	ALOGE("%s: Request %d: Buffer %zu: NULL buffer handle!",
1153	__FUNCTION__, frameNumber, idx);
1154	return BAD_VALUE;
1155	}
1156	idx++;
1157	b = &(request->output_buffers[idx]);
1158	} while (idx < (ssize_t)request->num_output_buffers);
1159
1160	// TODO: Validate settings parameters
1161
1162	/**
1163	* Start processing this request
1164	*/
1165	mStatus = STATUS_ACTIVE;
1166
1167	camera_metadata_entry e;
1168
1169	if (request->settings == NULL) {
1170	settings.acquire(mPrevSettings);
1171	} else {
1172	settings = request->settings;
1173
1174	uint8_t antiBanding = 0;
1175	uint8_t effectMode = 0;
1176	int exposureCmp = 0;
1177
1178	e = settings.find(ANDROID_CONTROL_AE_ANTIBANDING_MODE);
1179	if (e.count == 0) {
1180	ALOGE("%s: No antibanding entry!", __FUNCTION__);
1181	return BAD_VALUE;
1182	}
1183	antiBanding = e.data.u8[0];
1184	mSensor->setAntiBanding(antiBanding);
1185
1186	e = settings.find(ANDROID_CONTROL_EFFECT_MODE);
1187	if (e.count == 0) {
1188	ALOGE("%s: No antibanding entry!", __FUNCTION__);
1189	return BAD_VALUE;
1190	}
1191	effectMode = e.data.u8[0];
1192	mSensor->setEffect(effectMode);
1193
1194	e = settings.find(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION);
1195	if (e.count == 0) {
1196	ALOGE("%s: No exposure entry!", __FUNCTION__);
1197	//return BAD_VALUE;
1198	} else {
1199	exposureCmp = e.data.i32[0];
1200	DBG_LOGB("set expsore compensaton %d\n", exposureCmp);
1201	mSensor->setExposure(exposureCmp);
1202	}
1203
1204	int32_t cropRegion[4];
1205	int32_t cropWidth;
1206	int32_t outputWidth = request->output_buffers[0].stream->width;
1207
1208	e = settings.find(ANDROID_SCALER_CROP_REGION);
1209	if (e.count == 0) {
1210	ALOGE("%s: No corp region entry!", __FUNCTION__);
1211	//return BAD_VALUE;
1212	} else {
1213	cropRegion[0] = e.data.i32[0];
1214	cropRegion[1] = e.data.i32[1];
1215	cropWidth = cropRegion[2] = e.data.i32[2];
1216	cropRegion[3] = e.data.i32[3];
1217	for (int i = mZoomMin; i <= mZoomMax; i += mZoomStep) {
1218	//if ( (float) i / mZoomMin >= (float) outputWidth / cropWidth) {
1219	if ( i * cropWidth >= outputWidth * mZoomMin ) {
1220	mSensor->setZoom(i);
1221	break;
1222	}
1223	}
1224	DBG_LOGB("cropRegion:%d, %d, %d, %d\n", cropRegion[0], cropRegion[1],cropRegion[2],cropRegion[3]);
1225	}
1226	}
1227
1228	uint8_t len[] = {1};
1229	settings.update(ANDROID_REQUEST_PIPELINE_DEPTH, (uint8_t *)len, 1);
1230
1231	uint8_t maxlen[] = {0};
1232	settings.update(ANDROID_REQUEST_PIPELINE_MAX_DEPTH, (uint8_t *)maxlen, 1);
1233
1234	res = process3A(settings);
1235	if (res != OK) {
1236	CAMHAL_LOGDB("%s: process3A failed!", __FUNCTION__);
1237	//return res;
1238	}
1239
1240	// TODO: Handle reprocessing
1241
1242	/**
1243	* Get ready for sensor config
1244	*/
1245
1246	bool needJpeg = false;
1247	ssize_t jpegbuffersize;
1248	uint32_t jpegpixelfmt;
1249
1250	exposureTime = settings.find(ANDROID_SENSOR_EXPOSURE_TIME).data.i64[0];
1251	frameDuration = settings.find(ANDROID_SENSOR_FRAME_DURATION).data.i64[0];
1252	sensitivity = settings.find(ANDROID_SENSOR_SENSITIVITY).data.i32[0];
1253
1254	sensorBuffers = new Buffers();
1255	buffers = new HalBufferVector();
1256
1257	sensorBuffers->setCapacity(request->num_output_buffers);
1258	buffers->setCapacity(request->num_output_buffers);
1259
1260	// Process all the buffers we got for output, constructing internal buffer
1261	// structures for them, and lock them for writing.
1262	for (size_t i = 0; i < request->num_output_buffers; i++) {
1263	const camera3_stream_buffer &srcBuf = request->output_buffers[i];
1264	const private_handle_t *privBuffer =
1265	(const private_handle_t*)(*srcBuf.buffer);
1266	StreamBuffer destBuf;
1267	destBuf.streamId = kGenericStreamId;
1268	destBuf.width = srcBuf.stream->width;
1269	destBuf.height = srcBuf.stream->height;
1270	destBuf.format = privBuffer->format; // Use real private format
1271	destBuf.stride = srcBuf.stream->width; // TODO: query from gralloc
1272	destBuf.buffer = srcBuf.buffer;
1273	destBuf.share_fd = privBuffer->share_fd;
1274
1275	if (destBuf.format == HAL_PIXEL_FORMAT_BLOB) {
1276	needJpeg = true;
1277	memset(&info,0,sizeof(struct ExifInfo));
1278	info.orientation = settings.find(ANDROID_JPEG_ORIENTATION).data.i32[0];
1279	jpegpixelfmt = mSensor->getOutputFormat();
1280	if (!mSupportRotate) {
1281	info.mainwidth = srcBuf.stream->width;
1282	info.mainheight = srcBuf.stream->height;
1283	} else {
1284	if ((info.orientation == 90) || (info.orientation == 270)) {
1285	info.mainwidth = srcBuf.stream->height;
1286	info.mainheight = srcBuf.stream->width;
1287	} else {
1288	info.mainwidth = srcBuf.stream->width;
1289	info.mainheight = srcBuf.stream->height;
1290	}
1291	}
1292	if ((jpegpixelfmt == V4L2_PIX_FMT_MJPEG) || (jpegpixelfmt == V4L2_PIX_FMT_YUYV)) {
1293	mSensor->setOutputFormat(info.mainwidth,info.mainheight,jpegpixelfmt,1);
1294	} else {
1295	mSensor->setOutputFormat(info.mainwidth,info.mainheight,V4L2_PIX_FMT_RGB24,1);
1296	}
1297	}
1298
1299	// Wait on fence
1300	sp<Fence> bufferAcquireFence = new Fence(srcBuf.acquire_fence);
1301	res = bufferAcquireFence->wait(kFenceTimeoutMs);
1302	if (res == TIMED_OUT) {
1303	ALOGE("%s: Request %d: Buffer %zu: Fence timed out after %d ms",
1304	__FUNCTION__, frameNumber, i, kFenceTimeoutMs);
1305	}
1306	if (res == OK) {
1307	// Lock buffer for writing
1308	const Rect rect(destBuf.width, destBuf.height);
1309	if (srcBuf.stream->format == HAL_PIXEL_FORMAT_YCbCr_420_888) {
1310	if (privBuffer->format == HAL_PIXEL_FORMAT_YCbCr_420_888/*HAL_PIXEL_FORMAT_YCrCb_420_SP*/) {
1311	android_ycbcr ycbcr = android_ycbcr();
1312	res = GraphicBufferMapper::get().lockYCbCr(
1313	*(destBuf.buffer),
1314	GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK,
1315	rect,
1316	&ycbcr);
1317	// This is only valid because we know that emulator's
1318	// YCbCr_420_888 is really contiguous NV21 under the hood
1319	destBuf.img = static_cast<uint8_t*>(ycbcr.y);
1320	} else {
1321	ALOGE("Unexpected private format for flexible YUV: 0x%x",
1322	privBuffer->format);
1323	res = INVALID_OPERATION;
1324	}
1325	} else {
1326	res = GraphicBufferMapper::get().lock(*(destBuf.buffer),
1327	GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK,
1328	rect,
1329	(void**)&(destBuf.img));
1330	}
1331	if (res != OK) {
1332	ALOGE("%s: Request %d: Buffer %zu: Unable to lock buffer",
1333	__FUNCTION__, frameNumber, i);
1334	}
1335	}
1336
1337	if (res != OK) {
1338	// Either waiting or locking failed. Unlock locked buffers and bail
1339	// out.
1340	for (size_t j = 0; j < i; j++) {
1341	GraphicBufferMapper::get().unlock(
1342	*(request->output_buffers[i].buffer));
1343	}
1344	ALOGE("line:%d, format for this usage: %d x %d, usage %x, format=%x, returned\n",
1345	__LINE__, destBuf.width, destBuf.height, privBuffer->usage, privBuffer->format);
1346	return NO_INIT;
1347	}
1348	sensorBuffers->push_back(destBuf);
1349	buffers->push_back(srcBuf);
1350	}
1351
1352	if (needJpeg) {
1353	if (!mSupportRotate) {
1354	info.thumbwidth = settings.find(ANDROID_JPEG_THUMBNAIL_SIZE).data.i32[0];
1355	info.thumbheight = settings.find(ANDROID_JPEG_THUMBNAIL_SIZE).data.i32[1];
1356	} else {
1357	if ((info.orientation == 90) || (info.orientation == 270)) {
1358	info.thumbwidth = settings.find(ANDROID_JPEG_THUMBNAIL_SIZE).data.i32[1];
1359	info.thumbheight = settings.find(ANDROID_JPEG_THUMBNAIL_SIZE).data.i32[0];
1360	} else {
1361	info.thumbwidth = settings.find(ANDROID_JPEG_THUMBNAIL_SIZE).data.i32[0];
1362	info.thumbheight = settings.find(ANDROID_JPEG_THUMBNAIL_SIZE).data.i32[1];
1363	}
1364	}
1365	if (settings.exists(ANDROID_JPEG_GPS_COORDINATES)) {
1366	info.latitude = settings.find(ANDROID_JPEG_GPS_COORDINATES).data.d[0];
1367	info.longitude = settings.find(ANDROID_JPEG_GPS_COORDINATES).data.d[1];
1368	info.altitude = settings.find(ANDROID_JPEG_GPS_COORDINATES).data.d[2];
1369	info.has_latitude = true;
1370	info.has_longitude = true;
1371	info.has_altitude = true;
1372	} else {
1373	info.has_latitude = false;
1374	info.has_longitude = false;
1375	info.has_altitude = false;
1376	}
1377	if (settings.exists(ANDROID_JPEG_GPS_PROCESSING_METHOD)) {
1378	uint8_t * gpsString = settings.find(ANDROID_JPEG_GPS_PROCESSING_METHOD).data.u8;
1379	memcpy(info.gpsProcessingMethod, gpsString , sizeof(info.gpsProcessingMethod)-1);
1380	info.has_gpsProcessingMethod = true;
1381	} else {
1382	info.has_gpsProcessingMethod = false;
1383	}
1384	if (settings.exists(ANDROID_JPEG_GPS_TIMESTAMP)) {
1385	info.gpsTimestamp = settings.find(ANDROID_JPEG_GPS_TIMESTAMP).data.i64[0];
1386	info.has_gpsTimestamp = true;
1387	} else {
1388	info.has_gpsTimestamp = false;
1389	}
1390	if (settings.exists(ANDROID_LENS_FOCAL_LENGTH)) {
1391	info.focallen = settings.find(ANDROID_LENS_FOCAL_LENGTH).data.f[0];
1392	info.has_focallen = true;
1393	} else {
1394	info.has_focallen = false;
1395	}
1396	jpegbuffersize = getJpegBufferSize(info.mainwidth,info.mainheight);
1397
1398	mJpegCompressor->SetMaxJpegBufferSize(jpegbuffersize);
1399	mJpegCompressor->SetExifInfo(info);
1400	mSensor->setPictureRotate(info.orientation);
1401	if ((info.thumbwidth > 0) && (info.thumbheight > 0)) {
1402	mHaveThumbnail = true;
1403	}
1404	DBG_LOGB("%s::thumbnailSize_width=%d,thumbnailSize_height=%d,mainsize_width=%d,mainsize_height=%d,jpegOrientation=%d",__FUNCTION__,
1405	info.thumbwidth,info.thumbheight,info.mainwidth,info.mainheight,info.orientation);
1406	}
1407	/**
1408	* Wait for JPEG compressor to not be busy, if needed
1409	*/
1410	#if 0
1411	if (needJpeg) {
1412	bool ready = mJpegCompressor->waitForDone(kFenceTimeoutMs);
1413	if (!ready) {
1414	ALOGE("%s: Timeout waiting for JPEG compression to complete!",
1415	__FUNCTION__);
1416	return NO_INIT;
1417	}
1418	}
1419	#else
1420	while (needJpeg) {
1421	bool ready = mJpegCompressor->waitForDone(kFenceTimeoutMs);
1422	if (ready) {
1423	break;
1424	}
1425	}
1426	#endif
1427	}
1428	/**
1429	* Wait until the in-flight queue has room
1430	*/
1431	res = mReadoutThread->waitForReadout();
1432	if (res != OK) {
1433	ALOGE("%s: Timeout waiting for previous requests to complete!",
1434	__FUNCTION__);
1435	return NO_INIT;
1436	}
1437
1438	/**
1439	* Wait until sensor's ready. This waits for lengthy amounts of time with
1440	* mLock held, but the interface spec is that no other calls may by done to
1441	* the HAL by the framework while process_capture_request is happening.
1442	*/
1443	{
1444	Mutex::Autolock l(mLock);
1445	int syncTimeoutCount = 0;
1446	while (!mSensor->waitForVSync(kSyncWaitTimeout)) {
1447	if (mStatus == STATUS_ERROR) {
1448	return NO_INIT;
1449	}
1450	if (syncTimeoutCount == kMaxSyncTimeoutCount) {
1451	ALOGE("%s: Request %d: Sensor sync timed out after %" PRId64 " ms",
1452	__FUNCTION__, frameNumber,
1453	kSyncWaitTimeout * kMaxSyncTimeoutCount / 1000000);
1454	return NO_INIT;
1455	}
1456	syncTimeoutCount++;
1457	}
1458
1459	/**
1460	* Configure sensor and queue up the request to the readout thread
1461	*/
1462	mSensor->setExposureTime(exposureTime);
1463	mSensor->setFrameDuration(frameDuration);
1464	mSensor->setSensitivity(sensitivity);
1465	mSensor->setDestinationBuffers(sensorBuffers);
1466	mSensor->setFrameNumber(request->frame_number);
1467
1468	ReadoutThread::Request r;
1469	r.frameNumber = request->frame_number;
1470	r.settings = settings;
1471	r.sensorBuffers = sensorBuffers;
1472	r.buffers = buffers;
1473	r.havethumbnail = mHaveThumbnail;
1474
1475	mReadoutThread->queueCaptureRequest(r);
1476	ALOGVV("%s: Queued frame %d", __FUNCTION__, request->frame_number);
1477
1478	// Cache the settings for next time
1479	mPrevSettings.acquire(settings);
1480	}
1481	CAMHAL_LOGDB("%s , X" , __FUNCTION__);
1482	return OK;
1483	}
1484
1485	/** Debug methods */
1486
1487	void EmulatedFakeCamera3::dump(int fd) {
1488
1489	String8 result;
1490	uint32_t count = sizeof(mAvailableJpegSize)/sizeof(mAvailableJpegSize[0]);
1491	result = String8::format("%s, valid resolution\n", __FILE__);
1492
1493	for (uint32_t f = 0; f < count; f+=2) {
1494	if (mAvailableJpegSize[f] == 0)
1495	break;
1496	result.appendFormat("width: %d , height =%d\n",
1497	mAvailableJpegSize[f], mAvailableJpegSize[f+1]);
1498	}
1499	result.appendFormat("\nmZoomMin: %d , mZoomMax =%d, mZoomStep=%d\n",
1500	mZoomMin, mZoomMax, mZoomStep);
1501
1502	if (mZoomStep <= 0) {
1503	result.appendFormat("!!!!!!!!!camera apk may have no picture out\n");
1504	}
1505
1506	write(fd, result.string(), result.size());
1507
1508	if (mSensor.get() != NULL) {
1509	mSensor->dump(fd);
1510	}
1511
1512	}
1513	//flush all request
1514	//TODO returned buffers every request held immediately with
1515	//CAMERA3_BUFFER_STATUS_ERROR flag.
1516	int EmulatedFakeCamera3::flush_all_requests() {
1517	DBG_LOGA("flush all request");
1518	return 0;
1519	}
1520	/** Tag query methods */
1521	const char* EmulatedFakeCamera3::getVendorSectionName(uint32_t tag) {
1522	return NULL;
1523	}
1524
1525	const char* EmulatedFakeCamera3::getVendorTagName(uint32_t tag) {
1526	return NULL;
1527	}
1528
1529	int EmulatedFakeCamera3::getVendorTagType(uint32_t tag) {
1530	return 0;
1531	}
1532
1533	/**
1534	* Private methods
1535	*/
1536
1537	camera_metadata_ro_entry_t EmulatedFakeCamera3::staticInfo(const CameraMetadata *info, uint32_t tag,
1538	size_t minCount, size_t maxCount, bool required) const {
1539
1540	camera_metadata_ro_entry_t entry = info->find(tag);
1541
1542	if (CC_UNLIKELY( entry.count == 0 ) && required) {
1543	const char* tagSection = get_camera_metadata_section_name(tag);
1544	if (tagSection == NULL) tagSection = "<unknown>";
1545	const char* tagName = get_camera_metadata_tag_name(tag);
1546	if (tagName == NULL) tagName = "<unknown>";
1547
1548	ALOGE("Error finding static metadata entry '%s.%s' (%x)",
1549	tagSection, tagName, tag);
1550	} else if (CC_UNLIKELY(
1551	(minCount != 0 && entry.count < minCount) ||
1552	(maxCount != 0 && entry.count > maxCount) ) ) {
1553	const char* tagSection = get_camera_metadata_section_name(tag);
1554	if (tagSection == NULL) tagSection = "<unknown>";
1555	const char* tagName = get_camera_metadata_tag_name(tag);
1556	if (tagName == NULL) tagName = "<unknown>";
1557	ALOGE("Malformed static metadata entry '%s.%s' (%x):"
1558	"Expected between %zu and %zu values, but got %zu values",
1559	tagSection, tagName, tag, minCount, maxCount, entry.count);
1560	}
1561
1562	return entry;
1563	}
1564
1565	//this is only for debug
1566	void EmulatedFakeCamera3::getStreamConfigurationp(CameraMetadata *info) {
1567	const int STREAM_CONFIGURATION_SIZE = 4;
1568	const int STREAM_FORMAT_OFFSET = 0;
1569	const int STREAM_WIDTH_OFFSET = 1;
1570	const int STREAM_HEIGHT_OFFSET = 2;
1571	const int STREAM_IS_INPUT_OFFSET = 3;
1572
1573	camera_metadata_ro_entry_t availableStreamConfigs =
1574	staticInfo(info, ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
1575	CAMHAL_LOGDB(" stream, availableStreamConfigs.count=%d\n", availableStreamConfigs.count);
1576
1577	for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) {
1578	int32_t format = availableStreamConfigs.data.i32[i + STREAM_FORMAT_OFFSET];
1579	int32_t width = availableStreamConfigs.data.i32[i + STREAM_WIDTH_OFFSET];
1580	int32_t height = availableStreamConfigs.data.i32[i + STREAM_HEIGHT_OFFSET];
1581	int32_t isInput = availableStreamConfigs.data.i32[i + STREAM_IS_INPUT_OFFSET];
1582	CAMHAL_LOGDB("f=%x, w*h=%dx%d, du=%d\n", format, width, height, isInput);
1583	}
1584
1585	}
1586
1587	//this is only for debug
1588	void EmulatedFakeCamera3::getStreamConfigurationDurations(CameraMetadata *info) {
1589	const int STREAM_CONFIGURATION_SIZE = 4;
1590	const int STREAM_FORMAT_OFFSET = 0;
1591	const int STREAM_WIDTH_OFFSET = 1;
1592	const int STREAM_HEIGHT_OFFSET = 2;
1593	const int STREAM_IS_INPUT_OFFSET = 3;
1594
1595	camera_metadata_ro_entry_t availableStreamConfigs =
1596	staticInfo(info, ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS);
1597	CAMHAL_LOGDB("availableStreamConfigs.count=%d\n", availableStreamConfigs.count);
1598
1599	for (size_t i=0; i < availableStreamConfigs.count; i+= STREAM_CONFIGURATION_SIZE) {
1600	int64_t format = availableStreamConfigs.data.i64[i + STREAM_FORMAT_OFFSET];
1601	int64_t width = availableStreamConfigs.data.i64[i + STREAM_WIDTH_OFFSET];
1602	int64_t height = availableStreamConfigs.data.i64[i + STREAM_HEIGHT_OFFSET];
1603	int64_t isInput = availableStreamConfigs.data.i64[i + STREAM_IS_INPUT_OFFSET];
1604	CAMHAL_LOGDB("f=%llx, w*h=%lldx%lld, du=%lld\n", format, width, height, isInput);
1605	}
1606	}
1607
1608	void EmulatedFakeCamera3::updateCameraMetaData(CameraMetadata *info) {
1609
1610	}
1611
1612	status_t EmulatedFakeCamera3::constructStaticInfo() {
1613
1614	status_t ret = OK;
1615	CameraMetadata info;
1616	uint32_t picSizes[64 * 8];
1617	int64_t* duration = NULL;
1618	int count, duration_count, availablejpegsize;
1619	uint8_t maxCount = 10;
1620	char property[PROPERTY_VALUE_MAX];
1621	unsigned int supportrotate;
1622	availablejpegsize = ARRAY_SIZE(mAvailableJpegSize);
1623	memset(mAvailableJpegSize,0,(sizeof(uint32_t))*availablejpegsize);
1624	sp<Sensor> s = new Sensor();
1625	ret = s->startUp(mCameraID);
1626	if (ret != OK) {
1627	DBG_LOGA("sensor start up failed");
1628	return ret;
1629	}
1630
1631	mSensorType = s->getSensorType();
1632
1633	if ( mSensorType == SENSOR_USB) {
1634	char property[PROPERTY_VALUE_MAX];
1635	property_get("rw.camera.usb.faceback", property, "false");
1636	if (strstr(property, "true"))
1637	mFacingBack = 1;
1638	else
1639	mFacingBack = 0;
1640	ALOGI("Setting usb camera cameraID:%d to back camera:%s\n",
1641	mCameraID, property);
1642	} else {
1643	if (s->mSensorFace == SENSOR_FACE_FRONT) {
1644	mFacingBack = 0;
1645	} else if (s->mSensorFace == SENSOR_FACE_BACK) {
1646	mFacingBack = 1;
1647	} else if (s->mSensorFace == SENSOR_FACE_NONE) {
1648	if (gEmulatedCameraFactory.getEmulatedCameraNum() == 1) {
1649	mFacingBack = 1;
1650	} else if ( mCameraID == 0) {
1651	mFacingBack = 1;
1652	} else {
1653	mFacingBack = 0;
1654	}
1655	}
1656
1657	ALOGI("Setting on board camera cameraID:%d to back camera:%d[0 false, 1 true]\n",
1658	mCameraID, mFacingBack);
1659	}
1660
1661	mSupportCap = s->IoctlStateProbe();
1662	if (mSupportCap & IOCTL_MASK_ROTATE) {
1663	supportrotate = true;
1664	} else {
1665	supportrotate = false;
1666	}
1667	// android.lens
1668
1669	// 5 cm min focus distance for back camera, infinity (fixed focus) for front
1670	// TODO read this ioctl from camera driver
1671	DBG_LOGB("mCameraID=%d,mCameraInfo=%p\n", mCameraID, mCameraInfo);
1672	const float minFocusDistance = 0.0;
1673	info.update(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE,
1674	&minFocusDistance, 1);
1675
1676	// 5 m hyperfocal distance for back camera, infinity (fixed focus) for front
1677	const float hyperFocalDistance = mFacingBack ? 1.0/5.0 : 0.0;
1678	info.update(ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE,
1679	&minFocusDistance, 1);
1680
1681	static const float focalLength = 3.30f; // mm
1682	info.update(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS,
1683	&focalLength, 1);
1684	static const float aperture = 2.8f;
1685	info.update(ANDROID_LENS_INFO_AVAILABLE_APERTURES,
1686	&aperture, 1);
1687	static const float filterDensity = 0;
1688	info.update(ANDROID_LENS_INFO_AVAILABLE_FILTER_DENSITIES,
1689	&filterDensity, 1);
1690	static const uint8_t availableOpticalStabilization =
1691	ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF;
1692	info.update(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION,
1693	&availableOpticalStabilization, 1);
1694
1695	static const int32_t lensShadingMapSize[] = {1, 1};
1696	info.update(ANDROID_LENS_INFO_SHADING_MAP_SIZE, lensShadingMapSize,
1697	sizeof(lensShadingMapSize)/sizeof(int32_t));
1698
1699	uint8_t lensFacing = mFacingBack ?
1700	ANDROID_LENS_FACING_BACK : ANDROID_LENS_FACING_FRONT;
1701	info.update(ANDROID_LENS_FACING, &lensFacing, 1);
1702
1703	float lensPosition[3];
1704	if (mFacingBack) {
1705	// Back-facing camera is center-top on device
1706	lensPosition[0] = 0;
1707	lensPosition[1] = 20;
1708	lensPosition[2] = -5;
1709	} else {
1710	// Front-facing camera is center-right on device
1711	lensPosition[0] = 20;
1712	lensPosition[1] = 20;
1713	lensPosition[2] = 0;
1714	}
1715	info.update(ANDROID_LENS_POSITION, lensPosition, sizeof(lensPosition)/
1716	sizeof(float));
1717	static const uint8_t lensCalibration = ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED;
1718	info.update(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION,&lensCalibration,1);
1719
1720	// android.sensor
1721
1722	static const int32_t testAvailablePattern = ANDROID_SENSOR_TEST_PATTERN_MODE_OFF;
1723	info.update(ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES, &testAvailablePattern, 1);
1724	static const int32_t testPattern = ANDROID_SENSOR_TEST_PATTERN_MODE_OFF;
1725	info.update(ANDROID_SENSOR_TEST_PATTERN_MODE, &testPattern, 1);
1726	info.update(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,
1727	Sensor::kExposureTimeRange, 2);
1728
1729	info.update(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION,
1730	&Sensor::kFrameDurationRange[1], 1);
1731
1732	info.update(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE,
1733	Sensor::kSensitivityRange,
1734	sizeof(Sensor::kSensitivityRange)
1735	/sizeof(int32_t));
1736
1737	info.update(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT,
1738	&Sensor::kColorFilterArrangement, 1);
1739
1740	static const float sensorPhysicalSize[2] = {3.20f, 2.40f}; // mm
1741	info.update(ANDROID_SENSOR_INFO_PHYSICAL_SIZE,
1742	sensorPhysicalSize, 2);
1743
1744	info.update(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,
1745	(int32_t*)Sensor::kResolution, 2);
1746
1747	//(int32_t*)Sensor::kResolution, 2);
1748
1749	info.update(ANDROID_SENSOR_INFO_WHITE_LEVEL,
1750	(int32_t*)&Sensor::kMaxRawValue, 1);
1751
1752	static const int32_t blackLevelPattern[4] = {
1753	(int32_t)Sensor::kBlackLevel, (int32_t)Sensor::kBlackLevel,
1754	(int32_t)Sensor::kBlackLevel, (int32_t)Sensor::kBlackLevel
1755	};
1756	info.update(ANDROID_SENSOR_BLACK_LEVEL_PATTERN,
1757	blackLevelPattern, sizeof(blackLevelPattern)/sizeof(int32_t));
1758
1759	static const uint8_t timestampSource = ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN;
1760	info.update(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE, &timestampSource, 1);
1761	if (mSensorType == SENSOR_USB) {
1762	if (mFacingBack) {
1763	property_get("hw.camera.orientation.back", property, "0");
1764	} else {
1765	property_get("hw.camera.orientation.front", property, "0");
1766	}
1767	int32_t orientation = atoi(property);
1768	property_get("hw.camera.usb.orientation_offset", property, "0");
1769	orientation += atoi(property);
1770	orientation %= 360;
1771	info.update(ANDROID_SENSOR_ORIENTATION, &orientation, 1);
1772	} else {
1773	if (mFacingBack) {
1774	property_get("hw.camera.orientation.back", property, "270");
1775	const int32_t orientation = atoi(property);
1776	info.update(ANDROID_SENSOR_ORIENTATION, &orientation, 1);
1777	} else {
1778	property_get("hw.camera.orientation.front", property, "90");
1779	const int32_t orientation = atoi(property);
1780	info.update(ANDROID_SENSOR_ORIENTATION, &orientation, 1);
1781	}
1782	}
1783
1784	static const int64_t rollingShutterSkew = 0;
1785	info.update(ANDROID_SENSOR_ROLLING_SHUTTER_SKEW, &rollingShutterSkew, 1);
1786
1787	//TODO: sensor color calibration fields
1788
1789	// android.flash
1790	static const uint8_t flashAvailable = 0;
1791	info.update(ANDROID_FLASH_INFO_AVAILABLE, &flashAvailable, 1);
1792
1793	static const uint8_t flashstate = ANDROID_FLASH_STATE_UNAVAILABLE;
1794	info.update(ANDROID_FLASH_STATE, &flashstate, 1);
1795
1796	static const int64_t flashChargeDuration = 0;
1797	info.update(ANDROID_FLASH_INFO_CHARGE_DURATION, &flashChargeDuration, 1);
1798
1799	/** android.noise */
1800	static const uint8_t availableNBModes = ANDROID_NOISE_REDUCTION_MODE_OFF;
1801	info.update(ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES, &availableNBModes, 1);
1802
1803	// android.tonemap
1804
1805	static const int32_t tonemapCurvePoints = 128;
1806	info.update(ANDROID_TONEMAP_MAX_CURVE_POINTS, &tonemapCurvePoints, 1);
1807
1808	// android.scaler
1809
1810	static const uint8_t croppingType = ANDROID_SCALER_CROPPING_TYPE_CENTER_ONLY;
1811	info.update(ANDROID_SCALER_CROPPING_TYPE, &croppingType, 1);
1812
1813	info.update(ANDROID_SCALER_AVAILABLE_FORMATS,
1814	kAvailableFormats,
1815	sizeof(kAvailableFormats)/sizeof(int32_t));
1816
1817	info.update(ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS,
1818	(int64_t*)kAvailableRawMinDurations,
1819	sizeof(kAvailableRawMinDurations)/sizeof(uint64_t));
1820
1821	//for version 3.2 ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS
1822	count = sizeof(picSizes)/sizeof(picSizes[0]);
1823	count = s->getStreamConfigurations(picSizes, kAvailableFormats, count);
1824
1825	info.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
1826	(int32_t*)picSizes, count);
1827
1828	if (count < availablejpegsize) {
1829	availablejpegsize = count;
1830	}
1831	getValidJpegSize(picSizes,mAvailableJpegSize,availablejpegsize);
1832
1833	maxJpegResolution = getMaxJpegResolution(picSizes,count);
1834	int32_t full_size[4];
1835	if (mFacingBack) {
1836	full_size[0] = 0;
1837	full_size[1] = 0;
1838	full_size[2] = maxJpegResolution.width;
1839	full_size[3] = maxJpegResolution.height;
1840	} else {
1841	full_size[0] = 0;
1842	full_size[1] = 0;
1843	full_size[2] = maxJpegResolution.width;
1844	full_size[3] = maxJpegResolution.height;
1845	}
1846	info.update(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,
1847	(int32_t*)full_size,
1848	sizeof(full_size)/sizeof(full_size[0]));
1849	duration = new int64_t[count];
1850	if (duration == NULL) {
1851	DBG_LOGA("allocate memory for duration failed");
1852	return NO_MEMORY;
1853	} else {
1854	memset(duration,0,sizeof(int64_t)*count);
1855	}
1856	duration_count = s->getStreamConfigurationDurations(picSizes, duration , count);
1857
1858	info.update(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS,
1859	duration, duration_count);
1860	info.update(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS,
1861	duration, duration_count);
1862
1863	info.update(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS,
1864	(int64_t*)kAvailableProcessedMinDurations,
1865	sizeof(kAvailableProcessedMinDurations)/sizeof(uint64_t));
1866
1867	info.update(ANDROID_SCALER_AVAILABLE_JPEG_MIN_DURATIONS,
1868	(int64_t*)kAvailableJpegMinDurations,
1869	sizeof(kAvailableJpegMinDurations)/sizeof(uint64_t));
1870
1871
1872	// android.jpeg
1873
1874	static const int32_t jpegThumbnailSizes[] = {
1875	0, 0,
1876	160, 120,
1877	320, 240
1878	};
1879	info.update(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES,
1880	jpegThumbnailSizes, sizeof(jpegThumbnailSizes)/sizeof(int32_t));
1881
1882	static const int32_t jpegMaxSize = JpegCompressor::kMaxJpegSize;
1883	info.update(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1);
1884
1885	// android.stats
1886
1887	static const uint8_t availableFaceDetectModes[] = {
1888	ANDROID_STATISTICS_FACE_DETECT_MODE_OFF,
1889	ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE,
1890	ANDROID_STATISTICS_FACE_DETECT_MODE_FULL
1891	};
1892
1893	info.update(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES,
1894	availableFaceDetectModes,
1895	sizeof(availableFaceDetectModes));
1896
1897	static const int32_t maxFaceCount = 8;
1898	info.update(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT,
1899	&maxFaceCount, 1);
1900
1901	static const int32_t histogramSize = 64;
1902	info.update(ANDROID_STATISTICS_INFO_HISTOGRAM_BUCKET_COUNT,
1903	&histogramSize, 1);
1904
1905	static const int32_t maxHistogramCount = 1000;
1906	info.update(ANDROID_STATISTICS_INFO_MAX_HISTOGRAM_COUNT,
1907	&maxHistogramCount, 1);
1908
1909	static const int32_t sharpnessMapSize[2] = {64, 64};
1910	info.update(ANDROID_STATISTICS_INFO_SHARPNESS_MAP_SIZE,
1911	sharpnessMapSize, sizeof(sharpnessMapSize)/sizeof(int32_t));
1912
1913	static const int32_t maxSharpnessMapValue = 1000;
1914	info.update(ANDROID_STATISTICS_INFO_MAX_SHARPNESS_MAP_VALUE,
1915	&maxSharpnessMapValue, 1);
1916	static const uint8_t hotPixelMapMode = ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE_OFF;
1917	info.update(ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE,&hotPixelMapMode, 1);
1918
1919	static const uint8_t sceneFlicker = ANDROID_STATISTICS_SCENE_FLICKER_NONE;
1920	info.update(ANDROID_STATISTICS_SCENE_FLICKER,&sceneFlicker, 1);
1921	static const uint8_t lensShadingMapMode = ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF;
1922	info.update(ANDROID_STATISTICS_LENS_SHADING_MAP_MODE,&lensShadingMapMode, 1);
1923	// android.control
1924
1925	static const uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY;
1926	info.update(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
1927
1928	static const uint8_t availableSceneModes[] = {
1929	// ANDROID_CONTROL_SCENE_MODE_DISABLED,
1930	ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY
1931	};
1932	info.update(ANDROID_CONTROL_AVAILABLE_SCENE_MODES,
1933	availableSceneModes, sizeof(availableSceneModes));
1934
1935	static const uint8_t availableEffects[] = {
1936	ANDROID_CONTROL_EFFECT_MODE_OFF
1937	};
1938	info.update(ANDROID_CONTROL_AVAILABLE_EFFECTS,
1939	availableEffects, sizeof(availableEffects));
1940
1941	static const int32_t max3aRegions[] = {/*AE*/ 0,/*AWB*/ 0,/*AF*/ 0};
1942	info.update(ANDROID_CONTROL_MAX_REGIONS,
1943	max3aRegions, sizeof(max3aRegions)/sizeof(max3aRegions[0]));
1944
1945	static const uint8_t availableAeModes[] = {
1946	ANDROID_CONTROL_AE_MODE_OFF,
1947	ANDROID_CONTROL_AE_MODE_ON
1948	};
1949	info.update(ANDROID_CONTROL_AE_AVAILABLE_MODES,
1950	availableAeModes, sizeof(availableAeModes));
1951
1952
1953	static const int32_t availableTargetFpsRanges[] = {
1954	5, 15, 15, 15, 5, 25, 25, 25, 5, 30, 30, 30,
1955	};
1956	info.update(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES,
1957	availableTargetFpsRanges,
1958	sizeof(availableTargetFpsRanges)/sizeof(int32_t));
1959
1960	uint8_t awbModes[maxCount];
1961	count = s->getAWB(awbModes, maxCount);
1962	if (count < 0) {
1963	static const uint8_t availableAwbModes[] = {
1964	ANDROID_CONTROL_AWB_MODE_OFF,
1965	ANDROID_CONTROL_AWB_MODE_AUTO,
1966	ANDROID_CONTROL_AWB_MODE_INCANDESCENT,
1967	ANDROID_CONTROL_AWB_MODE_FLUORESCENT,
1968	ANDROID_CONTROL_AWB_MODE_DAYLIGHT,
1969	ANDROID_CONTROL_AWB_MODE_SHADE
1970	};
1971	info.update(ANDROID_CONTROL_AWB_AVAILABLE_MODES,
1972	availableAwbModes, sizeof(availableAwbModes));
1973	} else {
1974	DBG_LOGB("getAWB %d ",count);
1975	info.update(ANDROID_CONTROL_AWB_AVAILABLE_MODES,
1976	awbModes, count);
1977	}
1978
1979	static const uint8_t afstate = ANDROID_CONTROL_AF_STATE_INACTIVE;
1980	info.update(ANDROID_CONTROL_AF_STATE,&afstate,1);
1981
1982	static const uint8_t availableAfModesFront[] = {
1983	ANDROID_CONTROL_AF_MODE_OFF
1984	};
1985
1986	if (mFacingBack) {
1987	uint8_t afMode[maxCount];
1988	count = s->getAutoFocus(afMode, maxCount);
1989	if (count < 0) {
1990	static const uint8_t availableAfModesBack[] = {
1991	ANDROID_CONTROL_AF_MODE_OFF,
1992	//ANDROID_CONTROL_AF_MODE_AUTO,
1993	//ANDROID_CONTROL_AF_MODE_MACRO,
1994	//ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO,
1995	//ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE,
1996	};
1997
1998	info.update(ANDROID_CONTROL_AF_AVAILABLE_MODES,
1999	availableAfModesBack, sizeof(availableAfModesBack));
2000	} else {
2001	info.update(ANDROID_CONTROL_AF_AVAILABLE_MODES,
2002	afMode, count);
2003	}
2004	} else {
2005	info.update(ANDROID_CONTROL_AF_AVAILABLE_MODES,
2006	availableAfModesFront, sizeof(availableAfModesFront));
2007	}
2008
2009	uint8_t antiBanding[maxCount];
2010	count = s->getAntiBanding(antiBanding, maxCount);
2011	if (count < 0) {
2012	static const uint8_t availableAntibanding[] = {
2013	ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF,
2014	ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO,
2015	};
2016	info.update(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES,
2017	availableAntibanding, sizeof(availableAntibanding));
2018	} else {
2019	info.update(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES,
2020	antiBanding, count);
2021	}
2022
2023	camera_metadata_rational step;
2024	int maxExp, minExp, def;
2025	ret = s->getExposure(&maxExp, &minExp, &def, &step);
2026	if (ret < 0) {
2027	static const int32_t aeExpCompensation = 0;
2028	info.update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &aeExpCompensation, 1);
2029
2030	static const camera_metadata_rational exposureCompensationStep = {
2031	1, 3
2032	};
2033	info.update(ANDROID_CONTROL_AE_COMPENSATION_STEP,
2034	&exposureCompensationStep, 1);
2035
2036	int32_t exposureCompensationRange[] = {0, 0};
2037	info.update(ANDROID_CONTROL_AE_COMPENSATION_RANGE,
2038	exposureCompensationRange,
2039	sizeof(exposureCompensationRange)/sizeof(int32_t));
2040	} else {
2041	DBG_LOGB("exposure compensation support:(%d, %d)\n", minExp, maxExp);
2042	int32_t exposureCompensationRange[] = {minExp, maxExp};
2043	info.update(ANDROID_CONTROL_AE_COMPENSATION_RANGE,
2044	exposureCompensationRange,
2045	sizeof(exposureCompensationRange)/sizeof(int32_t));
2046	info.update(ANDROID_CONTROL_AE_COMPENSATION_STEP,
2047	&step, 1);
2048	info.update(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &def, 1);
2049	}
2050
2051	ret = s->getZoom(&mZoomMin, &mZoomMax, &mZoomStep);
2052	if (ret < 0) {
2053	float maxZoom = 1.0;
2054	info.update(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
2055	&maxZoom, 1);
2056	} else {
2057	float maxZoom = mZoomMax / mZoomMin;
2058	info.update(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
2059	&maxZoom, 1);
2060	}
2061
2062	static const uint8_t availableVstabModes[] = {
2063	ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF
2064	};
2065	info.update(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES,
2066	availableVstabModes, sizeof(availableVstabModes));
2067
2068	static const uint8_t aestate = ANDROID_CONTROL_AE_STATE_CONVERGED;
2069	info.update(ANDROID_CONTROL_AE_STATE,&aestate,1);
2070	static const uint8_t awbstate = ANDROID_CONTROL_AWB_STATE_INACTIVE;
2071	info.update(ANDROID_CONTROL_AWB_STATE,&awbstate,1);
2072	// android.info
2073	const uint8_t supportedHardwareLevel = ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED;
2074	//mFullMode ? ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_FULL :
2075	// ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED;
2076	info.update(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL,
2077	&supportedHardwareLevel,
2078	/*count*/1);
2079
2080	int32_t android_sync_max_latency = ANDROID_SYNC_MAX_LATENCY_UNKNOWN;
2081	info.update(ANDROID_SYNC_MAX_LATENCY, &android_sync_max_latency, 1);
2082
2083	uint8_t len[] = {1};
2084	info.update(ANDROID_REQUEST_PIPELINE_DEPTH, (uint8_t *)len, 1);
2085
2086	uint8_t maxlen[] = {2};
2087	info.update(ANDROID_REQUEST_PIPELINE_MAX_DEPTH, (uint8_t *)maxlen, 1);
2088	uint8_t cap[] = {
2089	ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE,
2090	};
2091	info.update(ANDROID_REQUEST_AVAILABLE_CAPABILITIES,
2092	(uint8_t *)cap, sizeof(cap)/sizeof(cap[0]));
2093
2094
2095	int32_t partialResultCount = 1;
2096	info.update(ANDROID_REQUEST_PARTIAL_RESULT_COUNT,&partialResultCount,1);
2097	int32_t maxNumOutputStreams[3] = {0,2,1};
2098	info.update(ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS,maxNumOutputStreams,3);
2099	uint8_t aberrationMode[] = {ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF};
2100	info.update(ANDROID_COLOR_CORRECTION_ABERRATION_MODE,
2101	aberrationMode, 1);
2102	info.update(ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES,
2103	aberrationMode, 1);
2104
2105	getAvailableChKeys(&info, supportedHardwareLevel);
2106
2107	if (mCameraInfo != NULL) {
2108	CAMHAL_LOGDA("mCameraInfo is not null, mem leak?");
2109	}
2110	mCameraInfo = info.release();
2111	DBG_LOGB("mCameraID=%d,mCameraInfo=%p\n", mCameraID, mCameraInfo);
2112
2113	if (duration != NULL) {
2114	delete [] duration;
2115	}
2116
2117	s->shutDown();
2118	s.clear();
2119	mPlugged = true;
2120
2121	return OK;
2122	}
2123
2124	status_t EmulatedFakeCamera3::process3A(CameraMetadata &settings) {
2125	/**
2126	* Extract top-level 3A controls
2127	*/
2128	status_t res;
2129
2130	bool facePriority = false;
2131
2132	camera_metadata_entry e;
2133
2134	e = settings.find(ANDROID_CONTROL_MODE);
2135	if (e.count == 0) {
2136	ALOGE("%s: No control mode entry!", __FUNCTION__);
2137	return BAD_VALUE;
2138	}
2139	uint8_t controlMode = e.data.u8[0];
2140
2141	e = settings.find(ANDROID_CONTROL_SCENE_MODE);
2142	if (e.count == 0) {
2143	ALOGE("%s: No scene mode entry!", __FUNCTION__);
2144	return BAD_VALUE;
2145	}
2146	uint8_t sceneMode = e.data.u8[0];
2147
2148	if (controlMode == ANDROID_CONTROL_MODE_OFF) {
2149	mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
2150	mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
2151	mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
2152	update3A(settings);
2153	return OK;
2154	} else if (controlMode == ANDROID_CONTROL_MODE_USE_SCENE_MODE) {
2155	switch(sceneMode) {
2156	case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY:
2157	mFacePriority = true;
2158	break;
2159	default:
2160	ALOGE("%s: Emulator doesn't support scene mode %d",
2161	__FUNCTION__, sceneMode);
2162	return BAD_VALUE;
2163	}
2164	} else {
2165	mFacePriority = false;
2166	}
2167
2168	// controlMode == AUTO or sceneMode = FACE_PRIORITY
2169	// Process individual 3A controls
2170
2171	res = doFakeAE(settings);
2172	if (res != OK) return res;
2173
2174	res = doFakeAF(settings);
2175	if (res != OK) return res;
2176
2177	res = doFakeAWB(settings);
2178	if (res != OK) return res;
2179
2180	update3A(settings);
2181	return OK;
2182	}
2183
2184	status_t EmulatedFakeCamera3::doFakeAE(CameraMetadata &settings) {
2185	camera_metadata_entry e;
2186
2187	e = settings.find(ANDROID_CONTROL_AE_MODE);
2188	if (e.count == 0) {
2189	ALOGE("%s: No AE mode entry!", __FUNCTION__);
2190	return BAD_VALUE;
2191	}
2192	uint8_t aeMode = e.data.u8[0];
2193
2194	switch (aeMode) {
2195	case ANDROID_CONTROL_AE_MODE_OFF:
2196	// AE is OFF
2197	mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
2198	return OK;
2199	case ANDROID_CONTROL_AE_MODE_ON:
2200	// OK for AUTO modes
2201	break;
2202	default:
2203	ALOGE("%s: Emulator doesn't support AE mode %d",
2204	__FUNCTION__, aeMode);
2205	return BAD_VALUE;
2206	}
2207
2208	e = settings.find(ANDROID_CONTROL_AE_LOCK);
2209	if (e.count == 0) {
2210	ALOGE("%s: No AE lock entry!", __FUNCTION__);
2211	return BAD_VALUE;
2212	}
2213	bool aeLocked = (e.data.u8[0] == ANDROID_CONTROL_AE_LOCK_ON);
2214
2215	e = settings.find(ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER);
2216	bool precaptureTrigger = false;
2217	if (e.count != 0) {
2218	precaptureTrigger =
2219	(e.data.u8[0] == ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER_START);
2220	}
2221
2222	if (precaptureTrigger) {
2223	ALOGV("%s: Pre capture trigger = %d", __FUNCTION__, precaptureTrigger);
2224	} else if (e.count > 0) {
2225	ALOGV("%s: Pre capture trigger was present? %zu",
2226	__FUNCTION__,
2227	e.count);
2228	}
2229
2230	if (precaptureTrigger || mAeState == ANDROID_CONTROL_AE_STATE_PRECAPTURE) {
2231	// Run precapture sequence
2232	if (mAeState != ANDROID_CONTROL_AE_STATE_PRECAPTURE) {
2233	mAeCounter = 0;
2234	}
2235
2236	if (mFacePriority) {
2237	mAeTargetExposureTime = kFacePriorityExposureTime;
2238	} else {
2239	mAeTargetExposureTime = kNormalExposureTime;
2240	}
2241
2242	if (mAeCounter > kPrecaptureMinFrames &&
2243	(mAeTargetExposureTime - mAeCurrentExposureTime) <
2244	mAeTargetExposureTime / 10) {
2245	// Done with precapture
2246	mAeCounter = 0;
2247	mAeState = aeLocked ? ANDROID_CONTROL_AE_STATE_LOCKED :
2248	ANDROID_CONTROL_AE_STATE_CONVERGED;
2249	} else {
2250	// Converge some more
2251	mAeCurrentExposureTime +=
2252	(mAeTargetExposureTime - mAeCurrentExposureTime) *
2253	kExposureTrackRate;
2254	mAeCounter++;
2255	mAeState = ANDROID_CONTROL_AE_STATE_PRECAPTURE;
2256	}
2257
2258	} else if (!aeLocked) {
2259	// Run standard occasional AE scan
2260	switch (mAeState) {
2261	case ANDROID_CONTROL_AE_STATE_CONVERGED:
2262	case ANDROID_CONTROL_AE_STATE_INACTIVE:
2263	mAeCounter++;
2264	if (mAeCounter > kStableAeMaxFrames) {
2265	mAeTargetExposureTime =
2266	mFacePriority ? kFacePriorityExposureTime :
2267	kNormalExposureTime;
2268	float exposureStep = ((double)rand() / RAND_MAX) *
2269	(kExposureWanderMax - kExposureWanderMin) +
2270	kExposureWanderMin;
2271	mAeTargetExposureTime *= std::pow(2, exposureStep);
2272	mAeState = ANDROID_CONTROL_AE_STATE_SEARCHING;
2273	}
2274	break;
2275	case ANDROID_CONTROL_AE_STATE_SEARCHING:
2276	mAeCurrentExposureTime +=
2277	(mAeTargetExposureTime - mAeCurrentExposureTime) *
2278	kExposureTrackRate;
2279	if (abs(mAeTargetExposureTime - mAeCurrentExposureTime) <
2280	mAeTargetExposureTime / 10) {
2281	// Close enough
2282	mAeState = ANDROID_CONTROL_AE_STATE_CONVERGED;
2283	mAeCounter = 0;
2284	}
2285	break;
2286	case ANDROID_CONTROL_AE_STATE_LOCKED:
2287	mAeState = ANDROID_CONTROL_AE_STATE_CONVERGED;
2288	mAeCounter = 0;
2289	break;
2290	default:
2291	ALOGE("%s: Emulator in unexpected AE state %d",
2292	__FUNCTION__, mAeState);
2293	return INVALID_OPERATION;
2294	}
2295	} else {
2296	// AE is locked
2297	mAeState = ANDROID_CONTROL_AE_STATE_LOCKED;
2298	}
2299
2300	return OK;
2301	}
2302
2303	status_t EmulatedFakeCamera3::doFakeAF(CameraMetadata &settings) {
2304	camera_metadata_entry e;
2305
2306	e = settings.find(ANDROID_CONTROL_AF_MODE);
2307	if (e.count == 0) {
2308	ALOGE("%s: No AF mode entry!", __FUNCTION__);
2309	return BAD_VALUE;
2310	}
2311	uint8_t afMode = e.data.u8[0];
2312
2313	e = settings.find(ANDROID_CONTROL_AF_TRIGGER);
2314	typedef camera_metadata_enum_android_control_af_trigger af_trigger_t;
2315	af_trigger_t afTrigger;
2316	// If we have an afTrigger, afTriggerId should be set too
2317	if (e.count != 0) {
2318	afTrigger = static_cast<af_trigger_t>(e.data.u8[0]);
2319
2320	e = settings.find(ANDROID_CONTROL_AF_TRIGGER_ID);
2321
2322	if (e.count == 0) {
2323	ALOGE("%s: When android.control.afTrigger is set "
2324	" in the request, afTriggerId needs to be set as well",
2325	__FUNCTION__);
2326	return BAD_VALUE;
2327	}
2328
2329	mAfTriggerId = e.data.i32[0];
2330
2331	ALOGV("%s: AF trigger set to 0x%x", __FUNCTION__, afTrigger);
2332	ALOGV("%s: AF trigger ID set to 0x%x", __FUNCTION__, mAfTriggerId);
2333	ALOGV("%s: AF mode is 0x%x", __FUNCTION__, afMode);
2334	} else {
2335	afTrigger = ANDROID_CONTROL_AF_TRIGGER_IDLE;
2336	}
2337	if (!mFacingBack) {
2338	afMode = ANDROID_CONTROL_AF_MODE_OFF;
2339	}
2340
2341	switch (afMode) {
2342	case ANDROID_CONTROL_AF_MODE_OFF:
2343	mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
2344	return OK;
2345	case ANDROID_CONTROL_AF_MODE_AUTO:
2346	case ANDROID_CONTROL_AF_MODE_MACRO:
2347	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
2348	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
2349	if (!mFacingBack) {
2350	ALOGE("%s: Front camera doesn't support AF mode %d",
2351	__FUNCTION__, afMode);
2352	return BAD_VALUE;
2353	}
2354	mSensor->setAutoFocuas(afMode);
2355	// OK, handle transitions lower on
2356	break;
2357	default:
2358	ALOGE("%s: Emulator doesn't support AF mode %d",
2359	__FUNCTION__, afMode);
2360	return BAD_VALUE;
2361	}
2362	#if 0
2363	e = settings.find(ANDROID_CONTROL_AF_REGIONS);
2364	if (e.count == 0) {
2365	ALOGE("%s:Get ANDROID_CONTROL_AF_REGIONS failed\n", __FUNCTION__);
2366	return BAD_VALUE;
2367	}
2368	int32_t x0 = e.data.i32[0];
2369	int32_t y0 = e.data.i32[1];
2370	int32_t x1 = e.data.i32[2];
2371	int32_t y1 = e.data.i32[3];
2372	mSensor->setFocuasArea(x0, y0, x1, y1);
2373	DBG_LOGB(" x0:%d, y0:%d,x1:%d,y1:%d,\n", x0, y0, x1, y1);
2374	#endif
2375
2376
2377	bool afModeChanged = mAfMode != afMode;
2378	mAfMode = afMode;
2379
2380	/**
2381	* Simulate AF triggers. Transition at most 1 state per frame.
2382	* - Focusing always succeeds (goes into locked, or PASSIVE_SCAN).
2383	*/
2384
2385	bool afTriggerStart = false;
2386	bool afTriggerCancel = false;
2387	switch (afTrigger) {
2388	case ANDROID_CONTROL_AF_TRIGGER_IDLE:
2389	break;
2390	case ANDROID_CONTROL_AF_TRIGGER_START:
2391	afTriggerStart = true;
2392	break;
2393	case ANDROID_CONTROL_AF_TRIGGER_CANCEL:
2394	afTriggerCancel = true;
2395	// Cancel trigger always transitions into INACTIVE
2396	mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
2397
2398	ALOGV("%s: AF State transition to STATE_INACTIVE", __FUNCTION__);
2399
2400	// Stay in 'inactive' until at least next frame
2401	return OK;
2402	default:
2403	ALOGE("%s: Unknown af trigger value %d", __FUNCTION__, afTrigger);
2404	return BAD_VALUE;
2405	}
2406
2407	// If we get down here, we're either in an autofocus mode
2408	// or in a continuous focus mode (and no other modes)
2409
2410	int oldAfState = mAfState;
2411	switch (mAfState) {
2412	case ANDROID_CONTROL_AF_STATE_INACTIVE:
2413	if (afTriggerStart) {
2414	switch (afMode) {
2415	case ANDROID_CONTROL_AF_MODE_AUTO:
2416	// fall-through
2417	case ANDROID_CONTROL_AF_MODE_MACRO:
2418	mAfState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
2419	break;
2420	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
2421	// fall-through
2422	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
2423	mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
2424	break;
2425	}
2426	} else {
2427	// At least one frame stays in INACTIVE
2428	if (!afModeChanged) {
2429	switch (afMode) {
2430	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
2431	// fall-through
2432	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
2433	mAfState = ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN;
2434	break;
2435	}
2436	}
2437	}
2438	break;
2439	case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
2440	/**
2441	* When the AF trigger is activated, the algorithm should finish
2442	* its PASSIVE_SCAN if active, and then transition into AF_FOCUSED
2443	* or AF_NOT_FOCUSED as appropriate
2444	*/
2445	if (afTriggerStart) {
2446	// Randomly transition to focused or not focused
2447	if (rand() % 3) {
2448	mAfState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
2449	} else {
2450	mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
2451	}
2452	}
2453	/**
2454	* When the AF trigger is not involved, the AF algorithm should
2455	* start in INACTIVE state, and then transition into PASSIVE_SCAN
2456	* and PASSIVE_FOCUSED states
2457	*/
2458	else if (!afTriggerCancel) {
2459	// Randomly transition to passive focus
2460	if (rand() % 3 == 0) {
2461	mAfState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED;
2462	}
2463	}
2464
2465	break;
2466	case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
2467	if (afTriggerStart) {
2468	// Randomly transition to focused or not focused
2469	if (rand() % 3) {
2470	mAfState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
2471	} else {
2472	mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
2473	}
2474	}
2475	// TODO: initiate passive scan (PASSIVE_SCAN)
2476	break;
2477	case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN:
2478	// Simulate AF sweep completing instantaneously
2479
2480	// Randomly transition to focused or not focused
2481	if (rand() % 3) {
2482	mAfState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
2483	} else {
2484	mAfState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
2485	}
2486	break;
2487	case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
2488	if (afTriggerStart) {
2489	switch (afMode) {
2490	case ANDROID_CONTROL_AF_MODE_AUTO:
2491	// fall-through
2492	case ANDROID_CONTROL_AF_MODE_MACRO:
2493	mAfState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
2494	break;
2495	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
2496	// fall-through
2497	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
2498	// continuous autofocus => trigger start has no effect
2499	break;
2500	}
2501	}
2502	break;
2503	case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
2504	if (afTriggerStart) {
2505	switch (afMode) {
2506	case ANDROID_CONTROL_AF_MODE_AUTO:
2507	// fall-through
2508	case ANDROID_CONTROL_AF_MODE_MACRO:
2509	mAfState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
2510	break;
2511	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
2512	// fall-through
2513	case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
2514	// continuous autofocus => trigger start has no effect
2515	break;
2516	}
2517	}
2518	break;
2519	default:
2520	ALOGE("%s: Bad af state %d", __FUNCTION__, mAfState);
2521	}
2522
2523	{
2524	char afStateString[100] = {0,};
2525	camera_metadata_enum_snprint(ANDROID_CONTROL_AF_STATE,
2526	oldAfState,
2527	afStateString,
2528	sizeof(afStateString));
2529
2530	char afNewStateString[100] = {0,};
2531	camera_metadata_enum_snprint(ANDROID_CONTROL_AF_STATE,
2532	mAfState,
2533	afNewStateString,
2534	sizeof(afNewStateString));
2535	ALOGVV("%s: AF state transitioned from %s to %s",
2536	__FUNCTION__, afStateString, afNewStateString);
2537	}
2538
2539
2540	return OK;
2541	}
2542
2543	status_t EmulatedFakeCamera3::doFakeAWB(CameraMetadata &settings) {
2544	camera_metadata_entry e;
2545
2546	e = settings.find(ANDROID_CONTROL_AWB_MODE);
2547	if (e.count == 0) {
2548	ALOGE("%s: No AWB mode entry!", __FUNCTION__);
2549	return BAD_VALUE;
2550	}
2551	uint8_t awbMode = e.data.u8[0];
2552	//DBG_LOGB(" awbMode%d\n", awbMode);
2553
2554	// TODO: Add white balance simulation
2555
2556	switch (awbMode) {
2557	case ANDROID_CONTROL_AWB_MODE_OFF:
2558	mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
2559	return OK;
2560	case ANDROID_CONTROL_AWB_MODE_AUTO:
2561	case ANDROID_CONTROL_AWB_MODE_INCANDESCENT:
2562	case ANDROID_CONTROL_AWB_MODE_FLUORESCENT:
2563	case ANDROID_CONTROL_AWB_MODE_DAYLIGHT:
2564	case ANDROID_CONTROL_AWB_MODE_SHADE:
2565	mAwbState = ANDROID_CONTROL_AWB_STATE_CONVERGED; //add for cts
2566	return mSensor->setAWB(awbMode);
2567	// OK
2568	break;
2569	default:
2570	ALOGE("%s: Emulator doesn't support AWB mode %d",
2571	__FUNCTION__, awbMode);
2572	return BAD_VALUE;
2573	}
2574
2575	return OK;
2576	}
2577
2578
2579	void EmulatedFakeCamera3::update3A(CameraMetadata &settings) {
2580	if (mAeState != ANDROID_CONTROL_AE_STATE_INACTIVE) {
2581	settings.update(ANDROID_SENSOR_EXPOSURE_TIME,
2582	&mAeCurrentExposureTime, 1);
2583	settings.update(ANDROID_SENSOR_SENSITIVITY,
2584	&mAeCurrentSensitivity, 1);
2585	}
2586
2587	settings.update(ANDROID_CONTROL_AE_STATE,
2588	&mAeState, 1);
2589	settings.update(ANDROID_CONTROL_AF_STATE,
2590	&mAfState, 1);
2591	settings.update(ANDROID_CONTROL_AWB_STATE,
2592	&mAwbState, 1);
2593	/**
2594	* TODO: Trigger IDs need a think-through
2595	*/
2596	settings.update(ANDROID_CONTROL_AF_TRIGGER_ID,
2597	&mAfTriggerId, 1);
2598	}
2599
2600	void EmulatedFakeCamera3::signalReadoutIdle() {
2601	Mutex::Autolock l(mLock);
2602	CAMHAL_LOGDB("%s , E" , __FUNCTION__);
2603	// Need to chek isIdle again because waiting on mLock may have allowed
2604	// something to be placed in the in-flight queue.
2605	if (mStatus == STATUS_ACTIVE && mReadoutThread->isIdle()) {
2606	ALOGV("Now idle");
2607	mStatus = STATUS_READY;
2608	}
2609	CAMHAL_LOGDB("%s , X , mStatus = %d " , __FUNCTION__, mStatus);
2610	}
2611
2612	void EmulatedFakeCamera3::onSensorEvent(uint32_t frameNumber, Event e,
2613	nsecs_t timestamp) {
2614	switch(e) {
2615	case Sensor::SensorListener::EXPOSURE_START: {
2616	ALOGVV("%s: Frame %d: Sensor started exposure at %lld",
2617	__FUNCTION__, frameNumber, timestamp);
2618	// Trigger shutter notify to framework
2619	camera3_notify_msg_t msg;
2620	msg.type = CAMERA3_MSG_SHUTTER;
2621	msg.message.shutter.frame_number = frameNumber;
2622	msg.message.shutter.timestamp = timestamp;
2623	sendNotify(&msg);
2624	break;
2625	}
2626	case Sensor::SensorListener::ERROR_CAMERA_DEVICE: {
2627	camera3_notify_msg_t msg;
2628	msg.type = CAMERA3_MSG_ERROR;
2629	msg.message.error.frame_number = frameNumber;
2630	msg.message.error.error_stream = NULL;
2631	msg.message.error.error_code = 1;
2632	sendNotify(&msg);
2633	break;
2634	}
2635	default:
2636	ALOGW("%s: Unexpected sensor event %d at %" PRId64, __FUNCTION__,
2637	e, timestamp);
2638	break;
2639	}
2640	}
2641
2642	EmulatedFakeCamera3::ReadoutThread::ReadoutThread(EmulatedFakeCamera3 *parent) :
2643	mParent(parent), mJpegWaiting(false) {
2644	mExitReadoutThread = false;
2645	}
2646
2647	EmulatedFakeCamera3::ReadoutThread::~ReadoutThread() {
2648	for (List<Request>::iterator i = mInFlightQueue.begin();
2649	i != mInFlightQueue.end(); i++) {
2650	delete i->buffers;
2651	delete i->sensorBuffers;
2652	}
2653	}
2654
2655	void EmulatedFakeCamera3::ReadoutThread::queueCaptureRequest(const Request &r) {
2656	Mutex::Autolock l(mLock);
2657
2658	mInFlightQueue.push_back(r);
2659	mInFlightSignal.signal();
2660	}
2661
2662	bool EmulatedFakeCamera3::ReadoutThread::isIdle() {
2663	Mutex::Autolock l(mLock);
2664	return mInFlightQueue.empty() && !mThreadActive;
2665	}
2666
2667	status_t EmulatedFakeCamera3::ReadoutThread::waitForReadout() {
2668	status_t res;
2669	Mutex::Autolock l(mLock);
2670	CAMHAL_LOGDB("%s , E" , __FUNCTION__);
2671	int loopCount = 0;
2672	while (mInFlightQueue.size() >= kMaxQueueSize) {
2673	res = mInFlightSignal.waitRelative(mLock, kWaitPerLoop);
2674	if (res != OK && res != TIMED_OUT) {
2675	ALOGE("%s: Error waiting for in-flight queue to shrink",
2676	__FUNCTION__);
2677	return INVALID_OPERATION;
2678	}
2679	if (loopCount == kMaxWaitLoops) {
2680	ALOGE("%s: Timed out waiting for in-flight queue to shrink",
2681	__FUNCTION__);
2682	return TIMED_OUT;
2683	}
2684	loopCount++;
2685	}
2686	return OK;
2687	}
2688
2689	status_t EmulatedFakeCamera3::ReadoutThread::setJpegCompressorListener(EmulatedFakeCamera3 *parent) {
2690	status_t res;
2691	res = mParent->mJpegCompressor->setlistener(this);
2692	if (res != NO_ERROR) {
2693	ALOGE("%s: set JpegCompressor Listner failed",__FUNCTION__);
2694	}
2695	return res;
2696	}
2697
2698	status_t EmulatedFakeCamera3::ReadoutThread::startJpegCompressor(EmulatedFakeCamera3 *parent) {
2699	status_t res;
2700	res = mParent->mJpegCompressor->start();
2701	if (res != NO_ERROR) {
2702	ALOGE("%s: JpegCompressor start failed",__FUNCTION__);
2703	}
2704	return res;
2705	}
2706
2707	status_t EmulatedFakeCamera3::ReadoutThread::shutdownJpegCompressor(EmulatedFakeCamera3 *parent) {
2708	status_t res;
2709	res = mParent->mJpegCompressor->cancel();
2710	if (res != OK) {
2711	ALOGE("%s: JpegCompressor cancel failed",__FUNCTION__);
2712	}
2713	return res;
2714	}
2715
2716	void EmulatedFakeCamera3::ReadoutThread::sendExitReadoutThreadSignal(void) {
2717	mExitReadoutThread = true;
2718	mInFlightSignal.signal();
2719	}
2720
2721	bool EmulatedFakeCamera3::ReadoutThread::threadLoop() {
2722	status_t res;
2723	ALOGVV("%s: ReadoutThread waiting for request", __FUNCTION__);
2724
2725	// First wait for a request from the in-flight queue
2726	if (mExitReadoutThread) {
2727	return false;
2728	}
2729
2730	if (mCurrentRequest.settings.isEmpty()) {
2731	Mutex::Autolock l(mLock);
2732	if (mInFlightQueue.empty()) {
2733	res = mInFlightSignal.waitRelative(mLock, kWaitPerLoop);
2734	if (res == TIMED_OUT) {
2735	ALOGVV("%s: ReadoutThread: Timed out waiting for request",
2736	__FUNCTION__);
2737	return true;
2738	} else if (res != NO_ERROR) {
2739	ALOGE("%s: Error waiting for capture requests: %d",
2740	__FUNCTION__, res);
2741	return false;
2742	}
2743	}
2744
2745	if (mExitReadoutThread) {
2746	return false;
2747	}
2748
2749	mCurrentRequest.frameNumber = mInFlightQueue.begin()->frameNumber;
2750	mCurrentRequest.settings.acquire(mInFlightQueue.begin()->settings);
2751	mCurrentRequest.buffers = mInFlightQueue.begin()->buffers;
2752	mCurrentRequest.sensorBuffers = mInFlightQueue.begin()->sensorBuffers;
2753	mCurrentRequest.havethumbnail = mInFlightQueue.begin()->havethumbnail;
2754	mInFlightQueue.erase(mInFlightQueue.begin());
2755	mInFlightSignal.signal();
2756	mThreadActive = true;
2757	ALOGVV("%s: Beginning readout of frame %d", __FUNCTION__,
2758	mCurrentRequest.frameNumber);
2759	}
2760
2761	// Then wait for it to be delivered from the sensor
2762	ALOGVV("%s: ReadoutThread: Wait for frame to be delivered from sensor",
2763	__FUNCTION__);
2764
2765	nsecs_t captureTime;
2766	status_t gotFrame =
2767	mParent->mSensor->waitForNewFrame(kWaitPerLoop, &captureTime);
2768	if (gotFrame == 0) {
2769	ALOGVV("%s: ReadoutThread: Timed out waiting for sensor frame",
2770	__FUNCTION__);
2771	return true;
2772	}
2773
2774	if (gotFrame == -1) {
2775	DBG_LOGA("Sensor thread had exited , here should exit ReadoutThread Loop");
2776	return false;
2777	}
2778
2779	CAMHAL_LOGDB("Sensor done with readout for frame %d, captured at %lld ",
2780	mCurrentRequest.frameNumber, captureTime);
2781
2782	// Check if we need to JPEG encode a buffer, and send it for async
2783	// compression if so. Otherwise prepare the buffer for return.
2784	bool needJpeg = false;
2785	HalBufferVector::iterator buf = mCurrentRequest.buffers->begin();
2786	while (buf != mCurrentRequest.buffers->end()) {
2787	bool goodBuffer = true;
2788	if ( buf->stream->format ==
2789	HAL_PIXEL_FORMAT_BLOB) {
2790	Mutex::Autolock jl(mJpegLock);
2791	needJpeg = true;
2792	CaptureRequest currentcapture;
2793	currentcapture.frameNumber = mCurrentRequest.frameNumber;
2794	currentcapture.sensorBuffers = mCurrentRequest.sensorBuffers;
2795	currentcapture.buf = buf;
2796	currentcapture.mNeedThumbnail = mCurrentRequest.havethumbnail;
2797	mParent->mJpegCompressor->queueRequest(currentcapture);
2798	//this sensorBuffers delete in the jpegcompress;
2799	mCurrentRequest.sensorBuffers = NULL;
2800	buf = mCurrentRequest.buffers->erase(buf);
2801	continue;
2802	}
2803	GraphicBufferMapper::get().unlock(*(buf->buffer));
2804
2805	buf->status = goodBuffer ? CAMERA3_BUFFER_STATUS_OK :
2806	CAMERA3_BUFFER_STATUS_ERROR;
2807	buf->acquire_fence = -1;
2808	buf->release_fence = -1;
2809
2810	++buf;
2811	} // end while
2812
2813	// Construct result for all completed buffers and results
2814
2815	camera3_capture_result result;
2816
2817	mCurrentRequest.settings.update(ANDROID_SENSOR_TIMESTAMP,
2818	&captureTime, 1);
2819
2820	memset(&result, 0, sizeof(result));
2821	result.frame_number = mCurrentRequest.frameNumber;
2822	result.result = mCurrentRequest.settings.getAndLock();
2823	result.num_output_buffers = mCurrentRequest.buffers->size();
2824	result.output_buffers = mCurrentRequest.buffers->array();
2825	result.partial_result = 1;
2826
2827	// Go idle if queue is empty, before sending result
2828
2829	bool signalIdle = false;
2830	{
2831	Mutex::Autolock l(mLock);
2832	if (mInFlightQueue.empty()) {
2833	mThreadActive = false;
2834	signalIdle = true;
2835	}
2836	}
2837
2838	if (signalIdle) mParent->signalReadoutIdle();
2839
2840	// Send it off to the framework
2841	ALOGVV("%s: ReadoutThread: Send result to framework",
2842	__FUNCTION__);
2843	mParent->sendCaptureResult(&result);
2844
2845	// Clean up
2846	mCurrentRequest.settings.unlock(result.result);
2847
2848	delete mCurrentRequest.buffers;
2849	mCurrentRequest.buffers = NULL;
2850	if (!needJpeg) {
2851	delete mCurrentRequest.sensorBuffers;
2852	mCurrentRequest.sensorBuffers = NULL;
2853	}
2854	mCurrentRequest.settings.clear();
2855	CAMHAL_LOGDB("%s , X " , __FUNCTION__);
2856	return true;
2857	}
2858
2859	void EmulatedFakeCamera3::ReadoutThread::onJpegDone(
2860	const StreamBuffer &jpegBuffer, bool success , CaptureRequest &r) {
2861	Mutex::Autolock jl(mJpegLock);
2862	GraphicBufferMapper::get().unlock(*(jpegBuffer.buffer));
2863
2864	mJpegHalBuffer = *(r.buf);
2865	mJpegHalBuffer.status = success ?
2866	CAMERA3_BUFFER_STATUS_OK : CAMERA3_BUFFER_STATUS_ERROR;
2867	mJpegHalBuffer.acquire_fence = -1;
2868	mJpegHalBuffer.release_fence = -1;
2869	mJpegWaiting = false;
2870
2871	camera3_capture_result result;
2872	result.frame_number = r.frameNumber;
2873	result.result = NULL;
2874	result.num_output_buffers = 1;
2875	result.output_buffers = &mJpegHalBuffer;
2876	result.partial_result = 1;
2877
2878	if (!success) {
2879	ALOGE("%s: Compression failure, returning error state buffer to"
2880	" framework", __FUNCTION__);
2881	} else {
2882	DBG_LOGB("%s: Compression complete, returning buffer to framework",
2883	__FUNCTION__);
2884	}
2885
2886	mParent->sendCaptureResult(&result);
2887
2888	}
2889
2890	void EmulatedFakeCamera3::ReadoutThread::onJpegInputDone(
2891	const StreamBuffer &inputBuffer) {
2892	// Should never get here, since the input buffer has to be returned
2893	// by end of processCaptureRequest
2894	ALOGE("%s: Unexpected input buffer from JPEG compressor!", __FUNCTION__);
2895	}
2896
2897
2898	}; // namespace android
2899