/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "Camera2"
#define ATRACE_TAG ATRACE_TAG_CAMERA
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <utils/Trace.h>
#include <cutils/properties.h>
#include <gui/Surface.h>
#include "camera2/Parameters.h"
#include "Camera2Client.h"
#include "Camera2Device.h"
#include "Camera3Device.h"
#include "camera2/ZslProcessor.h"
#include "camera2/ZslProcessor3.h"
#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__);
#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__);
namespace android {
using namespace camera2;
static int getCallingPid() {
return IPCThreadState::self()->getCallingPid();
}
// Interface used by CameraService
Camera2Client::Camera2Client(const sp<CameraService>& cameraService,
const sp<ICameraClient>& cameraClient,
const String16& clientPackageName,
int cameraId,
int cameraFacing,
int clientPid,
uid_t clientUid,
int servicePid,
int deviceVersion):
Camera2ClientBase(cameraService, cameraClient, clientPackageName,
cameraId, cameraFacing, clientPid, clientUid, servicePid),
mParameters(cameraId, cameraFacing),
mDeviceVersion(deviceVersion)
{
ATRACE_CALL();
ALOGI("Camera %d: Opened", cameraId);
switch (mDeviceVersion) {
case CAMERA_DEVICE_API_VERSION_2_0:
mDevice = new Camera2Device(cameraId);
break;
case CAMERA_DEVICE_API_VERSION_3_0:
mDevice = new Camera3Device(cameraId);
break;
default:
ALOGE("Camera %d: Unknown HAL device version %d",
cameraId, mDeviceVersion);
mDevice = NULL;
break;
}
SharedParameters::Lock l(mParameters);
l.mParameters.state = Parameters::DISCONNECTED;
}
status_t Camera2Client::initialize(camera_module_t *module)
{
ATRACE_CALL();
ALOGV("%s: Initializing client for camera %d", __FUNCTION__, mCameraId);
status_t res;
res = Camera2ClientBase::initialize(module);
if (res != OK) {
return res;
}
SharedParameters::Lock l(mParameters);
res = l.mParameters.initialize(&(mDevice->info()));
if (res != OK) {
ALOGE("%s: Camera %d: unable to build defaults: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return NO_INIT;
}
String8 threadName;
mStreamingProcessor = new StreamingProcessor(this);
threadName = String8::format("C2-%d-StreamProc",
mCameraId);
mStreamingProcessor->run(threadName.string());
mFrameProcessor = new FrameProcessor(mDevice, this);
threadName = String8::format("C2-%d-FrameProc",
mCameraId);
mFrameProcessor->run(threadName.string());
mCaptureSequencer = new CaptureSequencer(this);
threadName = String8::format("C2-%d-CaptureSeq",
mCameraId);
mCaptureSequencer->run(threadName.string());
mJpegProcessor = new JpegProcessor(this, mCaptureSequencer);
threadName = String8::format("C2-%d-JpegProc",
mCameraId);
mJpegProcessor->run(threadName.string());
switch (mDeviceVersion) {
case CAMERA_DEVICE_API_VERSION_2_0: {
sp<ZslProcessor> zslProc =
new ZslProcessor(this, mCaptureSequencer);
mZslProcessor = zslProc;
mZslProcessorThread = zslProc;
break;
}
case CAMERA_DEVICE_API_VERSION_3_0:{
sp<ZslProcessor3> zslProc =
new ZslProcessor3(this, mCaptureSequencer);
mZslProcessor = zslProc;
mZslProcessorThread = zslProc;
break;
}
default:
break;
}
threadName = String8::format("C2-%d-ZslProc",
mCameraId);
mZslProcessorThread->run(threadName.string());
mCallbackProcessor = new CallbackProcessor(this);
threadName = String8::format("C2-%d-CallbkProc",
mCameraId);
mCallbackProcessor->run(threadName.string());
if (gLogLevel >= 1) {
ALOGD("%s: Default parameters converted from camera %d:", __FUNCTION__,
mCameraId);
ALOGD("%s", l.mParameters.paramsFlattened.string());
}
return OK;
}
Camera2Client::~Camera2Client() {
ATRACE_CALL();
ALOGV("~Camera2Client");
mDestructionStarted = true;
disconnect();
ALOGI("Camera %d: Closed", mCameraId);
}
status_t Camera2Client::dump(int fd, const Vector<String16>& args) {
String8 result;
result.appendFormat("Client2[%d] (%p) Client: %s PID: %d, dump:\n",
mCameraId,
getRemoteCallback()->asBinder().get(),
String8(mClientPackageName).string(),
mClientPid);
result.append(" State: ");
#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break;
const Parameters& p = mParameters.unsafeAccess();
result.append(Parameters::getStateName(p.state));
result.append("\n Current parameters:\n");
result.appendFormat(" Preview size: %d x %d\n",
p.previewWidth, p.previewHeight);
result.appendFormat(" Preview FPS range: %d - %d\n",
p.previewFpsRange[0], p.previewFpsRange[1]);
result.appendFormat(" Preview HAL pixel format: 0x%x\n",
p.previewFormat);
result.appendFormat(" Preview transform: %x\n",
p.previewTransform);
result.appendFormat(" Picture size: %d x %d\n",
p.pictureWidth, p.pictureHeight);
result.appendFormat(" Jpeg thumbnail size: %d x %d\n",
p.jpegThumbSize[0], p.jpegThumbSize[1]);
result.appendFormat(" Jpeg quality: %d, thumbnail quality: %d\n",
p.jpegQuality, p.jpegThumbQuality);
result.appendFormat(" Jpeg rotation: %d\n", p.jpegRotation);
result.appendFormat(" GPS tags %s\n",
p.gpsEnabled ? "enabled" : "disabled");
if (p.gpsEnabled) {
result.appendFormat(" GPS lat x long x alt: %f x %f x %f\n",
p.gpsCoordinates[0], p.gpsCoordinates[1],
p.gpsCoordinates[2]);
result.appendFormat(" GPS timestamp: %lld\n",
p.gpsTimestamp);
result.appendFormat(" GPS processing method: %s\n",
p.gpsProcessingMethod.string());
}
result.append(" White balance mode: ");
switch (p.wbMode) {
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_AUTO)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_INCANDESCENT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_FLUORESCENT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_DAYLIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_TWILIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_SHADE)
default: result.append("UNKNOWN\n");
}
result.append(" Effect mode: ");
switch (p.effectMode) {
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_OFF)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_MONO)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_NEGATIVE)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SOLARIZE)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SEPIA)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_POSTERIZE)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_AQUA)
default: result.append("UNKNOWN\n");
}
result.append(" Antibanding mode: ");
switch (p.antibandingMode) {
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO)
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF)
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ)
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ)
default: result.append("UNKNOWN\n");
}
result.append(" Scene mode: ");
switch (p.sceneMode) {
case ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED:
result.append("AUTO\n"); break;
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_THEATRE)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BEACH)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SNOW)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SUNSET)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FIREWORKS)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SPORTS)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PARTY)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BARCODE)
default: result.append("UNKNOWN\n");
}
result.append(" Flash mode: ");
switch (p.flashMode) {
CASE_APPEND_ENUM(Parameters::FLASH_MODE_OFF)
CASE_APPEND_ENUM(Parameters::FLASH_MODE_AUTO)
CASE_APPEND_ENUM(Parameters::FLASH_MODE_ON)
CASE_APPEND_ENUM(Parameters::FLASH_MODE_TORCH)
CASE_APPEND_ENUM(Parameters::FLASH_MODE_RED_EYE)
CASE_APPEND_ENUM(Parameters::FLASH_MODE_INVALID)
default: result.append("UNKNOWN\n");
}
result.append(" Focus mode: ");
switch (p.focusMode) {
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_AUTO)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_MACRO)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_VIDEO)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_PICTURE)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_EDOF)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INFINITY)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_FIXED)
CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INVALID)
default: result.append("UNKNOWN\n");
}
result.append(" Focus state: ");
switch (p.focusState) {
CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_INACTIVE)
CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN)
CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED)
CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN)
CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED)
CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED)
default: result.append("UNKNOWN\n");
}
result.append(" Focusing areas:\n");
for (size_t i = 0; i < p.focusingAreas.size(); i++) {
result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n",
p.focusingAreas[i].left,
p.focusingAreas[i].top,
p.focusingAreas[i].right,
p.focusingAreas[i].bottom,
p.focusingAreas[i].weight);
}
result.appendFormat(" Exposure compensation index: %d\n",
p.exposureCompensation);
result.appendFormat(" AE lock %s, AWB lock %s\n",
p.autoExposureLock ? "enabled" : "disabled",
p.autoWhiteBalanceLock ? "enabled" : "disabled" );
result.appendFormat(" Metering areas:\n");
for (size_t i = 0; i < p.meteringAreas.size(); i++) {
result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n",
p.meteringAreas[i].left,
p.meteringAreas[i].top,
p.meteringAreas[i].right,
p.meteringAreas[i].bottom,
p.meteringAreas[i].weight);
}
result.appendFormat(" Zoom index: %d\n", p.zoom);
result.appendFormat(" Video size: %d x %d\n", p.videoWidth,
p.videoHeight);
result.appendFormat(" Recording hint is %s\n",
p.recordingHint ? "set" : "not set");
result.appendFormat(" Video stabilization is %s\n",
p.videoStabilization ? "enabled" : "disabled");
result.append(" Current streams:\n");
result.appendFormat(" Preview stream ID: %d\n",
getPreviewStreamId());
result.appendFormat(" Capture stream ID: %d\n",
getCaptureStreamId());
result.appendFormat(" Recording stream ID: %d\n",
getRecordingStreamId());
result.append(" Quirks for this camera:\n");
bool haveQuirk = false;
if (p.quirks.triggerAfWithAuto) {
result.appendFormat(" triggerAfWithAuto\n");
haveQuirk = true;
}
if (p.quirks.useZslFormat) {
result.appendFormat(" useZslFormat\n");
haveQuirk = true;
}
if (p.quirks.meteringCropRegion) {
result.appendFormat(" meteringCropRegion\n");
haveQuirk = true;
}
if (!haveQuirk) {
result.appendFormat(" none\n");
}
write(fd, result.string(), result.size());
mStreamingProcessor->dump(fd, args);
mCaptureSequencer->dump(fd, args);
mFrameProcessor->dump(fd, args);
mZslProcessor->dump(fd, args);
return dumpDevice(fd, args);
#undef CASE_APPEND_ENUM
}
// ICamera interface
void Camera2Client::disconnect() {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
// Allow both client and the media server to disconnect at all times
int callingPid = getCallingPid();
if (callingPid != mClientPid && callingPid != mServicePid) return;
if (mDevice == 0) return;
ALOGV("Camera %d: Shutting down", mCameraId);
/**
* disconnect() cannot call any methods that might need to promote a
* wp<Camera2Client>, since disconnect can be called from the destructor, at
* which point all such promotions will fail.
*/
stopPreviewL();
{
SharedParameters::Lock l(mParameters);
if (l.mParameters.state == Parameters::DISCONNECTED) return;
l.mParameters.state = Parameters::DISCONNECTED;
}
mStreamingProcessor->deletePreviewStream();
mStreamingProcessor->deleteRecordingStream();
mJpegProcessor->deleteStream();
mCallbackProcessor->deleteStream();
mZslProcessor->deleteStream();
mStreamingProcessor->requestExit();
mFrameProcessor->requestExit();
mCaptureSequencer->requestExit();
mJpegProcessor->requestExit();
mZslProcessorThread->requestExit();
mCallbackProcessor->requestExit();
ALOGV("Camera %d: Waiting for threads", mCameraId);
mStreamingProcessor->join();
mFrameProcessor->join();
mCaptureSequencer->join();
mJpegProcessor->join();
mZslProcessorThread->join();
mCallbackProcessor->join();
ALOGV("Camera %d: Disconnecting device", mCameraId);
mDevice->disconnect();
mDevice.clear();
CameraService::Client::disconnect();
}
status_t Camera2Client::connect(const sp<ICameraClient>& client) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
if (mClientPid != 0 && getCallingPid() != mClientPid) {
ALOGE("%s: Camera %d: Connection attempt from pid %d; "
"current locked to pid %d", __FUNCTION__,
mCameraId, getCallingPid(), mClientPid);
return BAD_VALUE;
}
mClientPid = getCallingPid();
mRemoteCallback = client;
mSharedCameraCallbacks = client;
return OK;
}
status_t Camera2Client::lock() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
ALOGV("%s: Camera %d: Lock call from pid %d; current client pid %d",
__FUNCTION__, mCameraId, getCallingPid(), mClientPid);
if (mClientPid == 0) {
mClientPid = getCallingPid();
return OK;
}
if (mClientPid != getCallingPid()) {
ALOGE("%s: Camera %d: Lock call from pid %d; currently locked to pid %d",
__FUNCTION__, mCameraId, getCallingPid(), mClientPid);
return EBUSY;
}
return OK;
}
status_t Camera2Client::unlock() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d",
__FUNCTION__, mCameraId, getCallingPid(), mClientPid);
if (mClientPid == getCallingPid()) {
SharedParameters::Lock l(mParameters);
if (l.mParameters.state == Parameters::RECORD ||
l.mParameters.state == Parameters::VIDEO_SNAPSHOT) {
ALOGD("Not allowed to unlock camera during recording.");
return INVALID_OPERATION;
}
mClientPid = 0;
mRemoteCallback.clear();
mSharedCameraCallbacks.clear();
return OK;
}
ALOGE("%s: Camera %d: Unlock call from pid %d; currently locked to pid %d",
__FUNCTION__, mCameraId, getCallingPid(), mClientPid);
return EBUSY;
}
status_t Camera2Client::setPreviewDisplay(
const sp<Surface>& surface) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
sp<IBinder> binder;
sp<ANativeWindow> window;
if (surface != 0) {
binder = surface->getIGraphicBufferProducer()->asBinder();
window = surface;
}
return setPreviewWindowL(binder,window);
}
status_t Camera2Client::setPreviewTexture(
const sp<IGraphicBufferProducer>& bufferProducer) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
sp<IBinder> binder;
sp<ANativeWindow> window;
if (bufferProducer != 0) {
binder = bufferProducer->asBinder();
window = new Surface(bufferProducer);
}
return setPreviewWindowL(binder, window);
}
status_t Camera2Client::setPreviewWindowL(const sp<IBinder>& binder,
sp<ANativeWindow> window) {
ATRACE_CALL();
status_t res;
if (binder == mPreviewSurface) {
ALOGV("%s: Camera %d: New window is same as old window",
__FUNCTION__, mCameraId);
return NO_ERROR;
}
Parameters::State state;
{
SharedParameters::Lock l(mParameters);
state = l.mParameters.state;
}
switch (state) {
case Parameters::DISCONNECTED:
case Parameters::RECORD:
case Parameters::STILL_CAPTURE:
case Parameters::VIDEO_SNAPSHOT:
ALOGE("%s: Camera %d: Cannot set preview display while in state %s",
__FUNCTION__, mCameraId,
Parameters::getStateName(state));
return INVALID_OPERATION;
case Parameters::STOPPED:
case Parameters::WAITING_FOR_PREVIEW_WINDOW:
// OK
break;
case Parameters::PREVIEW:
// Already running preview - need to stop and create a new stream
res = stopStream();
if (res != OK) {
ALOGE("%s: Unable to stop preview to swap windows: %s (%d)",
__FUNCTION__, strerror(-res), res);
return res;
}
state = Parameters::WAITING_FOR_PREVIEW_WINDOW;
break;
}
mPreviewSurface = binder;
res = mStreamingProcessor->setPreviewWindow(window);
if (res != OK) {
ALOGE("%s: Unable to set new preview window: %s (%d)",
__FUNCTION__, strerror(-res), res);
return res;
}
if (state == Parameters::WAITING_FOR_PREVIEW_WINDOW) {
SharedParameters::Lock l(mParameters);
l.mParameters.state = state;
return startPreviewL(l.mParameters, false);
}
return OK;
}
void Camera2Client::setPreviewCallbackFlag(int flag) {
ATRACE_CALL();
ALOGV("%s: Camera %d: Flag 0x%x", __FUNCTION__, mCameraId, flag);
Mutex::Autolock icl(mBinderSerializationLock);
if ( checkPid(__FUNCTION__) != OK) return;
SharedParameters::Lock l(mParameters);
setPreviewCallbackFlagL(l.mParameters, flag);
}
void Camera2Client::setPreviewCallbackFlagL(Parameters ¶ms, int flag) {
status_t res = OK;
if (flag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) {
ALOGV("%s: setting oneshot", __FUNCTION__);
params.previewCallbackOneShot = true;
}
if (params.previewCallbackFlags != (uint32_t)flag) {
params.previewCallbackFlags = flag;
switch(params.state) {
case Parameters::PREVIEW:
res = startPreviewL(params, true);
break;
case Parameters::RECORD:
case Parameters::VIDEO_SNAPSHOT:
res = startRecordingL(params, true);
break;
default:
break;
}
if (res != OK) {
ALOGE("%s: Camera %d: Unable to refresh request in state %s",
__FUNCTION__, mCameraId,
Parameters::getStateName(params.state));
}
}
}
status_t Camera2Client::startPreview() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
SharedParameters::Lock l(mParameters);
return startPreviewL(l.mParameters, false);
}
status_t Camera2Client::startPreviewL(Parameters ¶ms, bool restart) {
ATRACE_CALL();
status_t res;
ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart);
if ( (params.state == Parameters::PREVIEW ||
params.state == Parameters::RECORD ||
params.state == Parameters::VIDEO_SNAPSHOT)
&& !restart) {
// Succeed attempt to re-enter a streaming state
ALOGI("%s: Camera %d: Preview already active, ignoring restart",
__FUNCTION__, mCameraId);
return OK;
}
if (params.state > Parameters::PREVIEW && !restart) {
ALOGE("%s: Can't start preview in state %s",
__FUNCTION__,
Parameters::getStateName(params.state));
return INVALID_OPERATION;
}
if (!mStreamingProcessor->haveValidPreviewWindow()) {
params.state = Parameters::WAITING_FOR_PREVIEW_WINDOW;
return OK;
}
params.state = Parameters::STOPPED;
res = mStreamingProcessor->updatePreviewStream(params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
Vector<uint8_t> outputStreams;
bool callbacksEnabled = params.previewCallbackFlags &
CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK;
if (callbacksEnabled) {
res = mCallbackProcessor->updateStream(params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
outputStreams.push(getCallbackStreamId());
}
if (params.zslMode && !params.recordingHint) {
res = updateProcessorStream(mZslProcessor, params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update ZSL stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
outputStreams.push(getZslStreamId());
}
outputStreams.push(getPreviewStreamId());
if (!params.recordingHint) {
if (!restart) {
res = mStreamingProcessor->updatePreviewRequest(params);
if (res != OK) {
ALOGE("%s: Camera %d: Can't set up preview request: "
"%s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
}
res = mStreamingProcessor->startStream(StreamingProcessor::PREVIEW,
outputStreams);
} else {
// With recording hint set, we're going to be operating under the
// assumption that the user will record video. To optimize recording
// startup time, create the necessary output streams for recording and
// video snapshot now if they don't already exist.
res = updateProcessorStream(mJpegProcessor, params);
if (res != OK) {
ALOGE("%s: Camera %d: Can't pre-configure still image "
"stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (!restart) {
res = mStreamingProcessor->updateRecordingRequest(params);
if (res != OK) {
ALOGE("%s: Camera %d: Can't set up preview request with "
"record hint: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
}
res = mStreamingProcessor->startStream(StreamingProcessor::RECORD,
outputStreams);
}
if (res != OK) {
ALOGE("%s: Camera %d: Unable to start streaming preview: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
params.state = Parameters::PREVIEW;
return OK;
}
void Camera2Client::stopPreview() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return;
stopPreviewL();
}
void Camera2Client::stopPreviewL() {
ATRACE_CALL();
status_t res;
const nsecs_t kStopCaptureTimeout = 3000000000LL; // 3 seconds
Parameters::State state;
{
SharedParameters::Lock l(mParameters);
state = l.mParameters.state;
}
switch (state) {
case Parameters::DISCONNECTED:
// Nothing to do.
break;
case Parameters::STOPPED:
case Parameters::VIDEO_SNAPSHOT:
case Parameters::STILL_CAPTURE:
mCaptureSequencer->waitUntilIdle(kStopCaptureTimeout);
// no break
case Parameters::RECORD:
case Parameters::PREVIEW:
res = stopStream();
if (res != OK) {
ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
res = mDevice->waitUntilDrained();
if (res != OK) {
ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
// no break
case Parameters::WAITING_FOR_PREVIEW_WINDOW: {
SharedParameters::Lock l(mParameters);
l.mParameters.state = Parameters::STOPPED;
commandStopFaceDetectionL(l.mParameters);
break;
}
default:
ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId,
state);
}
}
bool Camera2Client::previewEnabled() {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return false;
SharedParameters::Lock l(mParameters);
return l.mParameters.state == Parameters::PREVIEW;
}
status_t Camera2Client::storeMetaDataInBuffers(bool enabled) {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
SharedParameters::Lock l(mParameters);
switch (l.mParameters.state) {
case Parameters::RECORD:
case Parameters::VIDEO_SNAPSHOT:
ALOGE("%s: Camera %d: Can't be called in state %s",
__FUNCTION__, mCameraId,
Parameters::getStateName(l.mParameters.state));
return INVALID_OPERATION;
default:
// OK
break;
}
l.mParameters.storeMetadataInBuffers = enabled;
return OK;
}
status_t Camera2Client::startRecording() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
SharedParameters::Lock l(mParameters);
return startRecordingL(l.mParameters, false);
}
status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) {
status_t res;
ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart);
switch (params.state) {
case Parameters::STOPPED:
res = startPreviewL(params, false);
if (res != OK) return res;
break;
case Parameters::PREVIEW:
// Ready to go
break;
case Parameters::RECORD:
case Parameters::VIDEO_SNAPSHOT:
// OK to call this when recording is already on, just skip unless
// we're looking to restart
if (!restart) return OK;
break;
default:
ALOGE("%s: Camera %d: Can't start recording in state %s",
__FUNCTION__, mCameraId,
Parameters::getStateName(params.state));
return INVALID_OPERATION;
};
if (!params.storeMetadataInBuffers) {
ALOGE("%s: Camera %d: Recording only supported in metadata mode, but "
"non-metadata recording mode requested!", __FUNCTION__,
mCameraId);
return INVALID_OPERATION;
}
if (!restart) {
mCameraService->playSound(CameraService::SOUND_RECORDING);
mStreamingProcessor->updateRecordingRequest(params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
res = updateProcessorStream<
StreamingProcessor,
&StreamingProcessor::updateRecordingStream>(mStreamingProcessor,
params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
Vector<uint8_t> outputStreams;
bool callbacksEnabled = params.previewCallbackFlags &
CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK;
if (callbacksEnabled) {
res = mCallbackProcessor->updateStream(params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
outputStreams.push(getCallbackStreamId());
}
outputStreams.push(getPreviewStreamId());
outputStreams.push(getRecordingStreamId());
res = mStreamingProcessor->startStream(StreamingProcessor::RECORD,
outputStreams);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (params.state < Parameters::RECORD) {
params.state = Parameters::RECORD;
}
return OK;
}
void Camera2Client::stopRecording() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mBinderSerializationLock);
SharedParameters::Lock l(mParameters);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return;
switch (l.mParameters.state) {
case Parameters::RECORD:
// OK to stop
break;
case Parameters::STOPPED:
case Parameters::PREVIEW:
case Parameters::STILL_CAPTURE:
case Parameters::VIDEO_SNAPSHOT:
default:
ALOGE("%s: Camera %d: Can't stop recording in state %s",
__FUNCTION__, mCameraId,
Parameters::getStateName(l.mParameters.state));
return;
};
mCameraService->playSound(CameraService::SOUND_RECORDING);
res = startPreviewL(l.mParameters, true);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to return to preview",
__FUNCTION__, mCameraId);
}
}
bool Camera2Client::recordingEnabled() {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
if ( checkPid(__FUNCTION__) != OK) return false;
return recordingEnabledL();
}
bool Camera2Client::recordingEnabledL() {
ATRACE_CALL();
SharedParameters::Lock l(mParameters);
return (l.mParameters.state == Parameters::RECORD
|| l.mParameters.state == Parameters::VIDEO_SNAPSHOT);
}
void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
if ( checkPid(__FUNCTION__) != OK) return;
mStreamingProcessor->releaseRecordingFrame(mem);
}
status_t Camera2Client::autoFocus() {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
ALOGV("%s: Camera %d", __FUNCTION__, mCameraId);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
int triggerId;
bool notifyImmediately = false;
bool notifySuccess = false;
{
SharedParameters::Lock l(mParameters);
if (l.mParameters.state < Parameters::PREVIEW) {
return INVALID_OPERATION;
}
/**
* If the camera does not support auto-focus, it is a no-op and
* onAutoFocus(boolean, Camera) callback will be called immediately
* with a fake value of success set to true.
*
* Similarly, if focus mode is set to INFINITY, there's no reason to
* bother the HAL.
*/
if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED ||
l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) {
notifyImmediately = true;
notifySuccess = true;
}
/**
* If we're in CAF mode, and AF has already been locked, just fire back
* the callback right away; the HAL would not send a notification since
* no state change would happen on a AF trigger.
*/
if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE ||
l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) &&
l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) {
notifyImmediately = true;
notifySuccess = true;
}
/**
* Send immediate notification back to client
*/
if (notifyImmediately) {
SharedCameraCallbacks::Lock l(mSharedCameraCallbacks);
if (l.mRemoteCallback != 0) {
l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS,
notifySuccess ? 1 : 0, 0);
}
return OK;
}
/**
* Handle quirk mode for AF in scene modes
*/
if (l.mParameters.quirks.triggerAfWithAuto &&
l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED &&
l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO &&
!l.mParameters.focusingAreas[0].isEmpty()) {
ALOGV("%s: Quirk: Switching from focusMode %d to AUTO",
__FUNCTION__, l.mParameters.focusMode);
l.mParameters.shadowFocusMode = l.mParameters.focusMode;
l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO;
updateRequests(l.mParameters);
}
l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter;
triggerId = l.mParameters.currentAfTriggerId;
}
syncWithDevice();
mDevice->triggerAutofocus(triggerId);
return OK;
}
status_t Camera2Client::cancelAutoFocus() {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
ALOGV("%s: Camera %d", __FUNCTION__, mCameraId);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
int triggerId;
{
SharedParameters::Lock l(mParameters);
// Canceling does nothing in FIXED or INFINITY modes
if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED ||
l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) {
return OK;
}
triggerId = ++l.mParameters.afTriggerCounter;
// When using triggerAfWithAuto quirk, may need to reset focus mode to
// the real state at this point. No need to cancel explicitly if
// changing the AF mode.
if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) {
ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__,
l.mParameters.shadowFocusMode);
l.mParameters.focusMode = l.mParameters.shadowFocusMode;
l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID;
updateRequests(l.mParameters);
return OK;
}
}
syncWithDevice();
mDevice->triggerCancelAutofocus(triggerId);
return OK;
}
status_t Camera2Client::takePicture(int msgType) {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
{
SharedParameters::Lock l(mParameters);
switch (l.mParameters.state) {
case Parameters::DISCONNECTED:
case Parameters::STOPPED:
case Parameters::WAITING_FOR_PREVIEW_WINDOW:
ALOGE("%s: Camera %d: Cannot take picture without preview enabled",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
case Parameters::PREVIEW:
// Good to go for takePicture
res = commandStopFaceDetectionL(l.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to stop face detection for still capture",
__FUNCTION__, mCameraId);
return res;
}
l.mParameters.state = Parameters::STILL_CAPTURE;
break;
case Parameters::RECORD:
// Good to go for video snapshot
l.mParameters.state = Parameters::VIDEO_SNAPSHOT;
break;
case Parameters::STILL_CAPTURE:
case Parameters::VIDEO_SNAPSHOT:
ALOGE("%s: Camera %d: Already taking a picture",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
}
ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId);
res = updateProcessorStream(mJpegProcessor, l.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
// Need HAL to have correct settings before (possibly) triggering precapture
syncWithDevice();
res = mCaptureSequencer->startCapture(msgType);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to start capture: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
return res;
}
status_t Camera2Client::setParameters(const String8& params) {
ATRACE_CALL();
ALOGV("%s: Camera %d", __FUNCTION__, mCameraId);
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
SharedParameters::Lock l(mParameters);
res = l.mParameters.set(params);
if (res != OK) return res;
res = updateRequests(l.mParameters);
return res;
}
String8 Camera2Client::getParameters() const {
ATRACE_CALL();
ALOGV("%s: Camera %d", __FUNCTION__, mCameraId);
Mutex::Autolock icl(mBinderSerializationLock);
if ( checkPid(__FUNCTION__) != OK) return String8();
SharedParameters::ReadLock l(mParameters);
return l.mParameters.get();
}
status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
ATRACE_CALL();
Mutex::Autolock icl(mBinderSerializationLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId,
cmd, arg1, arg2);
switch (cmd) {
case CAMERA_CMD_START_SMOOTH_ZOOM:
return commandStartSmoothZoomL();
case CAMERA_CMD_STOP_SMOOTH_ZOOM:
return commandStopSmoothZoomL();
case CAMERA_CMD_SET_DISPLAY_ORIENTATION:
return commandSetDisplayOrientationL(arg1);
case CAMERA_CMD_ENABLE_SHUTTER_SOUND:
return commandEnableShutterSoundL(arg1 == 1);
case CAMERA_CMD_PLAY_RECORDING_SOUND:
return commandPlayRecordingSoundL();
case CAMERA_CMD_START_FACE_DETECTION:
return commandStartFaceDetectionL(arg1);
case CAMERA_CMD_STOP_FACE_DETECTION: {
SharedParameters::Lock l(mParameters);
return commandStopFaceDetectionL(l.mParameters);
}
case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG:
return commandEnableFocusMoveMsgL(arg1 == 1);
case CAMERA_CMD_PING:
return commandPingL();
case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT:
return commandSetVideoBufferCountL(arg1);
default:
ALOGE("%s: Unknown command %d (arguments %d, %d)",
__FUNCTION__, cmd, arg1, arg2);
return BAD_VALUE;
}
}
status_t Camera2Client::commandStartSmoothZoomL() {
ALOGE("%s: Unimplemented!", __FUNCTION__);
return OK;
}
status_t Camera2Client::commandStopSmoothZoomL() {
ALOGE("%s: Unimplemented!", __FUNCTION__);
return OK;
}
status_t Camera2Client::commandSetDisplayOrientationL(int degrees) {
int transform = Parameters::degToTransform(degrees,
mCameraFacing == CAMERA_FACING_FRONT);
if (transform == -1) {
ALOGE("%s: Camera %d: Error setting %d as display orientation value",
__FUNCTION__, mCameraId, degrees);
return BAD_VALUE;
}
SharedParameters::Lock l(mParameters);
if (transform != l.mParameters.previewTransform &&
getPreviewStreamId() != NO_STREAM) {
mDevice->setStreamTransform(getPreviewStreamId(), transform);
}
l.mParameters.previewTransform = transform;
return OK;
}
status_t Camera2Client::commandEnableShutterSoundL(bool enable) {
SharedParameters::Lock l(mParameters);
if (enable) {
l.mParameters.playShutterSound = true;
return OK;
}
// Disabling shutter sound may not be allowed. In that case only
// allow the mediaserver process to disable the sound.
char value[PROPERTY_VALUE_MAX];
property_get("ro.camera.sound.forced", value, "0");
if (strncmp(value, "0", 2) != 0) {
// Disabling shutter sound is not allowed. Deny if the current
// process is not mediaserver.
if (getCallingPid() != getpid()) {
ALOGE("Failed to disable shutter sound. Permission denied (pid %d)",
getCallingPid());
return PERMISSION_DENIED;
}
}
l.mParameters.playShutterSound = false;
return OK;
}
status_t Camera2Client::commandPlayRecordingSoundL() {
mCameraService->playSound(CameraService::SOUND_RECORDING);
return OK;
}
status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) {
ALOGV("%s: Camera %d: Starting face detection",
__FUNCTION__, mCameraId);
status_t res;
SharedParameters::Lock l(mParameters);
switch (l.mParameters.state) {
case Parameters::DISCONNECTED:
case Parameters::STOPPED:
case Parameters::WAITING_FOR_PREVIEW_WINDOW:
case Parameters::STILL_CAPTURE:
ALOGE("%s: Camera %d: Cannot start face detection without preview active",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
case Parameters::PREVIEW:
case Parameters::RECORD:
case Parameters::VIDEO_SNAPSHOT:
// Good to go for starting face detect
break;
}
// Ignoring type
if (l.mParameters.fastInfo.bestFaceDetectMode ==
ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) {
ALOGE("%s: Camera %d: Face detection not supported",
__FUNCTION__, mCameraId);
return BAD_VALUE;
}
if (l.mParameters.enableFaceDetect) return OK;
l.mParameters.enableFaceDetect = true;
res = updateRequests(l.mParameters);
return res;
}
status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) {
status_t res = OK;
ALOGV("%s: Camera %d: Stopping face detection",
__FUNCTION__, mCameraId);
if (!params.enableFaceDetect) return OK;
params.enableFaceDetect = false;
if (params.state == Parameters::PREVIEW
|| params.state == Parameters::RECORD
|| params.state == Parameters::VIDEO_SNAPSHOT) {
res = updateRequests(params);
}
return res;
}
status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) {
SharedParameters::Lock l(mParameters);
l.mParameters.enableFocusMoveMessages = enable;
return OK;
}
status_t Camera2Client::commandPingL() {
// Always ping back if access is proper and device is alive
SharedParameters::Lock l(mParameters);
if (l.mParameters.state != Parameters::DISCONNECTED) {
return OK;
} else {
return NO_INIT;
}
}
status_t Camera2Client::commandSetVideoBufferCountL(size_t count) {
if (recordingEnabledL()) {
ALOGE("%s: Camera %d: Error setting video buffer count after "
"recording was started", __FUNCTION__, mCameraId);
return INVALID_OPERATION;
}
return mStreamingProcessor->setRecordingBufferCount(count);
}
/** Device-related methods */
void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) {
ALOGV("%s: Autofocus state now %d, last trigger %d",
__FUNCTION__, newState, triggerId);
bool sendCompletedMessage = false;
bool sendMovingMessage = false;
bool success = false;
bool afInMotion = false;
{
SharedParameters::Lock l(mParameters);
l.mParameters.focusState = newState;
switch (l.mParameters.focusMode) {
case Parameters::FOCUS_MODE_AUTO:
case Parameters::FOCUS_MODE_MACRO:
// Don't send notifications upstream if they're not for the current AF
// trigger. For example, if cancel was called in between, or if we
// already sent a notification about this AF call.
if (triggerId != l.mParameters.currentAfTriggerId) break;
switch (newState) {
case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
success = true;
// no break
case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
sendCompletedMessage = true;
l.mParameters.currentAfTriggerId = -1;
break;
case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN:
// Just starting focusing, ignore
break;
case ANDROID_CONTROL_AF_STATE_INACTIVE:
case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
default:
// Unexpected in AUTO/MACRO mode
ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d",
__FUNCTION__, newState);
break;
}
break;
case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO:
case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE:
switch (newState) {
case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
success = true;
// no break
case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
// Don't send notifications upstream if they're not for
// the current AF trigger. For example, if cancel was
// called in between, or if we already sent a
// notification about this AF call.
// Send both a 'AF done' callback and a 'AF move' callback
if (triggerId != l.mParameters.currentAfTriggerId) break;
sendCompletedMessage = true;
afInMotion = false;
if (l.mParameters.enableFocusMoveMessages &&
l.mParameters.afInMotion) {
sendMovingMessage = true;
}
l.mParameters.currentAfTriggerId = -1;
break;
case ANDROID_CONTROL_AF_STATE_INACTIVE:
// Cancel was called, or we switched state; care if
// currently moving
afInMotion = false;
if (l.mParameters.enableFocusMoveMessages &&
l.mParameters.afInMotion) {
sendMovingMessage = true;
}
break;
case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
// Start passive scan, inform upstream
afInMotion = true;
// no break
case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
// Stop passive scan, inform upstream
if (l.mParameters.enableFocusMoveMessages) {
sendMovingMessage = true;
}
break;
}
l.mParameters.afInMotion = afInMotion;
break;
case Parameters::FOCUS_MODE_EDOF:
case Parameters::FOCUS_MODE_INFINITY:
case Parameters::FOCUS_MODE_FIXED:
default:
if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) {
ALOGE("%s: Unexpected AF state change %d "
"(ID %d) in focus mode %d",
__FUNCTION__, newState, triggerId,
l.mParameters.focusMode);
}
}
}
if (sendMovingMessage) {
SharedCameraCallbacks::Lock l(mSharedCameraCallbacks);
if (l.mRemoteCallback != 0) {
l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE,
afInMotion ? 1 : 0, 0);
}
}
if (sendCompletedMessage) {
SharedCameraCallbacks::Lock l(mSharedCameraCallbacks);
if (l.mRemoteCallback != 0) {
l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS,
success ? 1 : 0, 0);
}
}
}
void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) {
ALOGV("%s: Autoexposure state now %d, last trigger %d",
__FUNCTION__, newState, triggerId);
mCaptureSequencer->notifyAutoExposure(newState, triggerId);
}
camera2::SharedParameters& Camera2Client::getParameters() {
return mParameters;
}
int Camera2Client::getPreviewStreamId() const {
return mStreamingProcessor->getPreviewStreamId();
}
int Camera2Client::getCaptureStreamId() const {
return mJpegProcessor->getStreamId();
}
int Camera2Client::getCallbackStreamId() const {
return mCallbackProcessor->getStreamId();
}
int Camera2Client::getRecordingStreamId() const {
return mStreamingProcessor->getRecordingStreamId();
}
int Camera2Client::getZslStreamId() const {
return mZslProcessor->getStreamId();
}
status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId,
wp<camera2::FrameProcessor::FilteredListener> listener) {
return mFrameProcessor->registerListener(minId, maxId, listener);
}
status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId,
wp<camera2::FrameProcessor::FilteredListener> listener) {
return mFrameProcessor->removeListener(minId, maxId, listener);
}
status_t Camera2Client::stopStream() {
return mStreamingProcessor->stopStream();
}
const int32_t Camera2Client::kPreviewRequestIdStart;
const int32_t Camera2Client::kPreviewRequestIdEnd;
const int32_t Camera2Client::kRecordingRequestIdStart;
const int32_t Camera2Client::kRecordingRequestIdEnd;
const int32_t Camera2Client::kCaptureRequestIdStart;
const int32_t Camera2Client::kCaptureRequestIdEnd;
/** Utility methods */
status_t Camera2Client::updateRequests(Parameters ¶ms) {
status_t res;
ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state);
res = mStreamingProcessor->incrementStreamingIds();
if (res != OK) {
ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = mStreamingProcessor->updatePreviewRequest(params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = mStreamingProcessor->updateRecordingRequest(params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (params.state == Parameters::PREVIEW) {
res = startPreviewL(params, true);
if (res != OK) {
ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
} else if (params.state == Parameters::RECORD ||
params.state == Parameters::VIDEO_SNAPSHOT) {
res = startRecordingL(params, true);
if (res != OK) {
ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
return res;
}
size_t Camera2Client::calculateBufferSize(int width, int height,
int format, int stride) {
switch (format) {
case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16
return width * height * 2;
case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21
return width * height * 3 / 2;
case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2
return width * height * 2;
case HAL_PIXEL_FORMAT_YV12: { // YV12
size_t ySize = stride * height;
size_t uvStride = (stride / 2 + 0xF) & ~0xF;
size_t uvSize = uvStride * height / 2;
return ySize + uvSize * 2;
}
case HAL_PIXEL_FORMAT_RGB_565:
return width * height * 2;
case HAL_PIXEL_FORMAT_RGBA_8888:
return width * height * 4;
case HAL_PIXEL_FORMAT_RAW_SENSOR:
return width * height * 2;
default:
ALOGE("%s: Unknown preview format: %x",
__FUNCTION__, format);
return 0;
}
}
status_t Camera2Client::syncWithDevice() {
ATRACE_CALL();
const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms
status_t res;
int32_t activeRequestId = mStreamingProcessor->getActiveRequestId();
if (activeRequestId == 0) return OK;
res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout);
if (res == TIMED_OUT) {
ALOGE("%s: Camera %d: Timed out waiting sync with HAL",
__FUNCTION__, mCameraId);
} else if (res != OK) {
ALOGE("%s: Camera %d: Error while waiting to sync with HAL",
__FUNCTION__, mCameraId);
}
return res;
}
template <typename ProcessorT>
status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor,
camera2::Parameters params) {
// No default template arguments until C++11, so we need this overload
return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>(
processor, params);
}
template <typename ProcessorT,
status_t (ProcessorT::*updateStreamF)(const Parameters &)>
status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor,
Parameters params) {
status_t res;
// Get raw pointer since sp<T> doesn't have operator->*
ProcessorT *processorPtr = processor.get();
res = (processorPtr->*updateStreamF)(params);
/**
* Can't update the stream if it's busy?
*
* Then we need to stop the device (by temporarily clearing the request
* queue) and then try again. Resume streaming once we're done.
*/
if (res == -EBUSY) {
res = mStreamingProcessor->togglePauseStream(/*pause*/true);
if (res != OK) {
ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
res = mDevice->waitUntilDrained();
if (res != OK) {
ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
res = (processorPtr->*updateStreamF)(params);
if (res != OK) {
ALOGE("%s: Camera %d: Failed to update processing stream "
" despite having halted streaming first: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
res = mStreamingProcessor->togglePauseStream(/*pause*/false);
if (res != OK) {
ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
}
}
return res;
}
} // namespace android