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review.evervolv.com / android_frameworks_av / 3a609147811105d40766f8f8f5904bf71cb123cb / . / services / camera / libcameraservice / Camera2Client.cpp
blob: 7e08907e6bec85b0db87e6f3ce416f51d050e509 [file] [log] [blame]
/*
* 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 "Camera2Client"
#define ATRACE_TAG ATRACE_TAG_CAMERA
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <utils/Trace.h>
#include <cutils/properties.h>
#include <gui/SurfaceTextureClient.h>
#include <gui/Surface.h>
#include <media/hardware/MetadataBufferType.h>
#include <math.h>
#include "Camera2Client.h"
namespace android {
#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__);
#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__);
static int getCallingPid() {
return IPCThreadState::self()->getCallingPid();
}
static int getCallingUid() {
return IPCThreadState::self()->getCallingUid();
}
// Interface used by CameraService
Camera2Client::Camera2Client(const sp<CameraService>& cameraService,
const sp<ICameraClient>& cameraClient,
int cameraId,
int cameraFacing,
int clientPid):
Client(cameraService, cameraClient,
cameraId, cameraFacing, clientPid),
mState(DISCONNECTED),
mPreviewStreamId(NO_STREAM),
mPreviewRequest(NULL),
mCaptureStreamId(NO_STREAM),
mCaptureRequest(NULL),
mRecordingStreamId(NO_STREAM),
mRecordingRequest(NULL)
{
ATRACE_CALL();
mDevice = new Camera2Device(cameraId);
}
status_t Camera2Client::checkPid(const char* checkLocation) const {
int callingPid = getCallingPid();
if (callingPid == mClientPid) return NO_ERROR;
ALOGE("%s: attempt to use a locked camera from a different process"
" (old pid %d, new pid %d)", checkLocation, mClientPid, callingPid);
return PERMISSION_DENIED;
}
status_t Camera2Client::initialize(camera_module_t *module)
{
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
status_t res;
res = mDevice->initialize(module);
if (res != OK) {
ALOGE("%s: Camera %d: unable to initialize device: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return NO_INIT;
}
res = buildDefaultParameters();
if (res != OK) {
ALOGE("%s: Camera %d: unable to build defaults: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return NO_INIT;
}
if (gLogLevel >= 1) {
LockedParameters::Key k(mParameters);
ALOGD("%s: Default parameters converted from camera %d:", __FUNCTION__,
mCameraId);
ALOGD("%s", k.mParameters.paramsFlattened.string());
}
mState = STOPPED;
return OK;
}
Camera2Client::~Camera2Client() {
ATRACE_CALL();
ALOGV("%s: Camera %d: Shutting down", __FUNCTION__, mCameraId);
mDestructionStarted = true;
// Rewrite mClientPid to allow shutdown by CameraService
mClientPid = getCallingPid();
disconnect();
}
status_t Camera2Client::dump(int fd, const Vector<String16>& args) {
String8 result;
result.appendFormat("Client2[%d] (%p) PID: %d, dump:\n",
mCameraId,
getCameraClient()->asBinder().get(),
mClientPid);
result.append(" State: ");
#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break;
const Parameters& p = mParameters.unsafeUnlock();
result.append(getStateName(mState));
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_AUTO)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_INCANDESCENT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_FLUORESCENT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_WARM_FLUORESCENT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_DAYLIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_CLOUDY_DAYLIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_TWILIGHT)
CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_SHADE)
default: result.append("UNKNOWN\n");
}
result.append(" Effect mode: ");
switch (p.effectMode) {
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_OFF)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MONO)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_NEGATIVE)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_SOLARIZE)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_SEPIA)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_POSTERIZE)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_WHITEBOARD)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_BLACKBOARD)
CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_AQUA)
default: result.append("UNKNOWN\n");
}
result.append(" Antibanding mode: ");
switch (p.antibandingMode) {
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_AUTO)
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_OFF)
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_50HZ)
CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_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(" 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", mPreviewStreamId);
result.appendFormat(" Capture stream ID: %d\n", mCaptureStreamId);
result.appendFormat(" Recording stream ID: %d\n", mRecordingStreamId);
result.append(" Current requests:\n");
if (mPreviewRequest != NULL) {
result.append(" Preview request:\n");
write(fd, result.string(), result.size());
dump_indented_camera_metadata(mPreviewRequest, fd, 2, 6);
} else {
result.append(" Preview request: undefined\n");
write(fd, result.string(), result.size());
}
if (mCaptureRequest != NULL) {
result = " Capture request:\n";
write(fd, result.string(), result.size());
dump_indented_camera_metadata(mCaptureRequest, fd, 2, 6);
} else {
result = " Capture request: undefined\n";
write(fd, result.string(), result.size());
}
if (mRecordingRequest != NULL) {
result = " Recording request:\n";
write(fd, result.string(), result.size());
dump_indented_camera_metadata(mRecordingRequest, fd, 2, 6);
} else {
result = " Recording request: undefined\n";
write(fd, result.string(), result.size());
}
result = " Device dump:\n";
write(fd, result.string(), result.size());
status_t res = mDevice->dump(fd, args);
if (res != OK) {
result = String8::format(" Error dumping device: %s (%d)",
strerror(-res), res);
write(fd, result.string(), result.size());
}
#undef CASE_APPEND_ENUM
return NO_ERROR;
}
const char* Camera2Client::getStateName(State state) {
#define CASE_ENUM_TO_CHAR(x) case x: return(#x); break;
switch(state) {
CASE_ENUM_TO_CHAR(DISCONNECTED)
CASE_ENUM_TO_CHAR(STOPPED)
CASE_ENUM_TO_CHAR(WAITING_FOR_PREVIEW_WINDOW)
CASE_ENUM_TO_CHAR(PREVIEW)
CASE_ENUM_TO_CHAR(RECORD)
CASE_ENUM_TO_CHAR(STILL_CAPTURE)
CASE_ENUM_TO_CHAR(VIDEO_SNAPSHOT)
default:
return "Unknown state!";
break;
}
#undef CASE_ENUM_TO_CHAR
}
// ICamera interface
void Camera2Client::disconnect() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return;
if (mDevice == 0) return;
stopPreviewLocked();
mDevice->waitUntilDrained();
if (mPreviewStreamId != NO_STREAM) {
mDevice->deleteStream(mPreviewStreamId);
mPreviewStreamId = NO_STREAM;
}
if (mCaptureStreamId != NO_STREAM) {
mDevice->deleteStream(mCaptureStreamId);
mCaptureStreamId = NO_STREAM;
}
if (mRecordingStreamId != NO_STREAM) {
mDevice->deleteStream(mRecordingStreamId);
mRecordingStreamId = NO_STREAM;
}
mDevice.clear();
mState = DISCONNECTED;
CameraService::Client::disconnect();
}
status_t Camera2Client::connect(const sp<ICameraClient>& client) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
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();
mCameraClient = client;
return OK;
}
status_t Camera2Client::lock() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
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(mICameraLock);
ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d",
__FUNCTION__, mCameraId, getCallingPid(), mClientPid);
// TODO: Check for uninterruptable conditions
if (mClientPid == getCallingPid()) {
mClientPid = 0;
mCameraClient.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(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
sp<IBinder> binder;
sp<ANativeWindow> window;
if (surface != 0) {
binder = surface->asBinder();
window = surface;
}
return setPreviewWindowLocked(binder,window);
}
status_t Camera2Client::setPreviewTexture(
const sp<ISurfaceTexture>& surfaceTexture) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
sp<IBinder> binder;
sp<ANativeWindow> window;
if (surfaceTexture != 0) {
binder = surfaceTexture->asBinder();
window = new SurfaceTextureClient(surfaceTexture);
}
return setPreviewWindowLocked(binder, window);
}
status_t Camera2Client::setPreviewWindowLocked(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;
}
switch (mState) {
case DISCONNECTED:
case RECORD:
case STILL_CAPTURE:
case VIDEO_SNAPSHOT:
ALOGE("%s: Camera %d: Cannot set preview display while in state %s",
__FUNCTION__, mCameraId, getStateName(mState));
return INVALID_OPERATION;
case STOPPED:
case WAITING_FOR_PREVIEW_WINDOW:
// OK
break;
case PREVIEW:
// Already running preview - need to stop and create a new stream
// TODO: Optimize this so that we don't wait for old stream to drain
// before spinning up new stream
mDevice->setStreamingRequest(NULL);
mState = WAITING_FOR_PREVIEW_WINDOW;
break;
}
if (mPreviewStreamId != NO_STREAM) {
res = mDevice->waitUntilDrained();
if (res != OK) {
ALOGE("%s: Error waiting for preview to drain: %s (%d)",
__FUNCTION__, strerror(-res), res);
return res;
}
res = mDevice->deleteStream(mPreviewStreamId);
if (res != OK) {
ALOGE("%s: Unable to delete old preview stream: %s (%d)",
__FUNCTION__, strerror(-res), res);
return res;
}
mPreviewStreamId = NO_STREAM;
}
mPreviewSurface = binder;
mPreviewWindow = window;
if (mState == WAITING_FOR_PREVIEW_WINDOW) {
return startPreviewLocked();
}
return OK;
}
void Camera2Client::setPreviewCallbackFlag(int flag) {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return;
}
status_t Camera2Client::startPreview() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
return startPreviewLocked();
}
status_t Camera2Client::startPreviewLocked() {
ATRACE_CALL();
status_t res;
if (mState >= PREVIEW) {
ALOGE("%s: Can't start preview in state %s",
__FUNCTION__, getStateName(mState));
return INVALID_OPERATION;
}
if (mPreviewWindow == 0) {
mState = WAITING_FOR_PREVIEW_WINDOW;
return OK;
}
mState = STOPPED;
LockedParameters::Key k(mParameters);
res = updatePreviewStream(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (mPreviewRequest == NULL) {
res = updatePreviewRequest(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to create preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
res = updateEntry(mPreviewRequest,
ANDROID_REQUEST_OUTPUT_STREAMS,
&mPreviewStreamId, 1);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to set up preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = sort_camera_metadata(mPreviewRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Error sorting preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = mDevice->setStreamingRequest(mPreviewRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to set preview request to start preview: "
"%s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
mState = PREVIEW;
return OK;
}
void Camera2Client::stopPreview() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return;
stopPreviewLocked();
}
void Camera2Client::stopPreviewLocked() {
ATRACE_CALL();
switch (mState) {
case DISCONNECTED:
ALOGE("%s: Camera %d: Call before initialized",
__FUNCTION__, mCameraId);
break;
case STOPPED:
break;
case STILL_CAPTURE:
ALOGE("%s: Camera %d: Cannot stop preview during still capture.",
__FUNCTION__, mCameraId);
break;
case RECORD:
// TODO: Handle record stop here
case PREVIEW:
mDevice->setStreamingRequest(NULL);
mDevice->waitUntilDrained();
case WAITING_FOR_PREVIEW_WINDOW:
mState = STOPPED;
break;
default:
ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId,
mState);
}
}
bool Camera2Client::previewEnabled() {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return false;
return mState == PREVIEW;
}
status_t Camera2Client::storeMetaDataInBuffers(bool enabled) {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
switch (mState) {
case RECORD:
case VIDEO_SNAPSHOT:
ALOGE("%s: Camera %d: Can't be called in state %s",
__FUNCTION__, mCameraId, getStateName(mState));
return INVALID_OPERATION;
default:
// OK
break;
}
LockedParameters::Key k(mParameters);
k.mParameters.storeMetadataInBuffers = enabled;
return OK;
}
status_t Camera2Client::startRecording() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
switch (mState) {
case STOPPED:
res = startPreviewLocked();
if (res != OK) return res;
break;
case PREVIEW:
// Ready to go
break;
case RECORD:
case VIDEO_SNAPSHOT:
// OK to call this when recording is already on
return OK;
break;
default:
ALOGE("%s: Camera %d: Can't start recording in state %s",
__FUNCTION__, mCameraId, getStateName(mState));
return INVALID_OPERATION;
};
LockedParameters::Key k(mParameters);
if (!k.mParameters.storeMetadataInBuffers) {
ALOGE("%s: Camera %d: Recording only supported in metadata mode, but "
"non-metadata recording mode requested!", __FUNCTION__,
mCameraId);
return INVALID_OPERATION;
}
res = updateRecordingStream(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (mRecordingRequest == NULL) {
res = updateRecordingRequest(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to create recording request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
uint8_t outputStreams[2] = { mPreviewStreamId, mRecordingStreamId };
res = updateEntry(mRecordingRequest,
ANDROID_REQUEST_OUTPUT_STREAMS,
outputStreams, 2);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to set up recording request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = sort_camera_metadata(mRecordingRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Error sorting recording request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = mDevice->setStreamingRequest(mRecordingRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to set recording request to start "
"recording: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
mState = RECORD;
return OK;
}
void Camera2Client::stopRecording() {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return;
switch (mState) {
case RECORD:
// OK to stop
break;
case STOPPED:
case PREVIEW:
case STILL_CAPTURE:
case VIDEO_SNAPSHOT:
default:
ALOGE("%s: Camera %d: Can't stop recording in state %s",
__FUNCTION__, mCameraId, getStateName(mState));
return;
};
// Back to preview. Since record can only be reached through preview,
// all preview stream setup should be up to date.
res = mDevice->setStreamingRequest(mPreviewRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to switch back to preview request: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return;
}
// TODO: Should recording heap be freed? Can't do it yet since requests
// could still be in flight.
mState = PREVIEW;
}
bool Camera2Client::recordingEnabled() {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
if ( checkPid(__FUNCTION__) != OK) return false;
return (mState == RECORD || mState == VIDEO_SNAPSHOT);
}
void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( checkPid(__FUNCTION__) != OK) return;
// Make sure this is for the current heap
ssize_t offset;
size_t size;
sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
if (heap->getHeapID() != mRecordingHeap->mHeap->getHeapID()) {
ALOGW("%s: Camera %d: Mismatched heap ID, ignoring release "
"(got %x, expected %x)", __FUNCTION__, mCameraId,
heap->getHeapID(), mRecordingHeap->mHeap->getHeapID());
return;
}
uint8_t *data = (uint8_t*)heap->getBase() + offset;
uint32_t type = *(uint32_t*)data;
if (type != kMetadataBufferTypeGrallocSource) {
ALOGE("%s: Camera %d: Recording frame type invalid (got %x, expected %x)",
__FUNCTION__, mCameraId, type, kMetadataBufferTypeGrallocSource);
return;
}
buffer_handle_t imgBuffer = *(buffer_handle_t*)(data + 4);
ALOGV("%s: Camera %d: Freeing buffer_handle_t %p", __FUNCTION__, mCameraId,
imgBuffer);
res = mRecordingConsumer->freeBuffer(imgBuffer);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to free recording frame (buffer_handle_t: %p):"
"%s (%d)",
__FUNCTION__, mCameraId, imgBuffer, strerror(-res), res);
return;
}
mRecordingHeapFree++;
}
status_t Camera2Client::autoFocus() {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
return OK;
}
status_t Camera2Client::cancelAutoFocus() {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
return OK;
}
status_t Camera2Client::takePicture(int msgType) {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
switch (mState) {
case DISCONNECTED:
case STOPPED:
case WAITING_FOR_PREVIEW_WINDOW:
ALOGE("%s: Camera %d: Cannot take picture without preview enabled",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
case PREVIEW:
case RECORD:
// Good to go for takePicture
break;
case STILL_CAPTURE:
case VIDEO_SNAPSHOT:
ALOGE("%s: Camera %d: Already taking a picture",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
}
LockedParameters::Key k(mParameters);
res = updateCaptureStream(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (mCaptureRequest == NULL) {
res = updateCaptureRequest(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Can't create still image capture request: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
camera_metadata_entry_t outputStreams;
if (mState == PREVIEW) {
uint8_t streamIds[2] = { mPreviewStreamId, mCaptureStreamId };
res = updateEntry(mCaptureRequest, ANDROID_REQUEST_OUTPUT_STREAMS,
&streamIds, 2);
} else if (mState == RECORD) {
uint8_t streamIds[3] = { mPreviewStreamId, mRecordingStreamId,
mCaptureStreamId };
res = updateEntry(mCaptureRequest, ANDROID_REQUEST_OUTPUT_STREAMS,
&streamIds, 3);
}
if (res != OK) {
ALOGE("%s: Camera %d: Unable to set up still image capture request: "
"%s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = sort_camera_metadata(mCaptureRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to sort capture request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
camera_metadata_t *captureCopy = clone_camera_metadata(mCaptureRequest);
if (captureCopy == NULL) {
ALOGE("%s: Camera %d: Unable to copy capture request for HAL device",
__FUNCTION__, mCameraId);
return NO_MEMORY;
}
if (mState == PREVIEW) {
res = mDevice->setStreamingRequest(NULL);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to stop preview for still capture: "
"%s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
// TODO: Capture should be atomic with setStreamingRequest here
res = mDevice->capture(captureCopy);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to submit still image capture request: "
"%s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
switch (mState) {
case PREVIEW:
mState = STILL_CAPTURE;
break;
case RECORD:
mState = VIDEO_SNAPSHOT;
break;
default:
ALOGE("%s: Camera %d: Unknown state for still capture!",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
}
return OK;
}
status_t Camera2Client::setParameters(const String8& params) {
ATRACE_CALL();
ALOGV("%s: E", __FUNCTION__);
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
LockedParameters::Key k(mParameters);
CameraParameters newParams(params);
// TODO: Currently ignoring any changes to supposedly read-only
// parameters such as supported preview sizes, etc. Should probably
// produce an error if they're changed.
/** Extract and verify new parameters */
size_t i;
// PREVIEW_SIZE
int previewWidth, previewHeight;
newParams.getPreviewSize(&previewWidth, &previewHeight);
if (previewWidth != k.mParameters.previewWidth ||
previewHeight != k.mParameters.previewHeight) {
if (mState >= PREVIEW) {
ALOGE("%s: Preview size cannot be updated when preview "
"is active! (Currently %d x %d, requested %d x %d",
__FUNCTION__,
k.mParameters.previewWidth, k.mParameters.previewHeight,
previewWidth, previewHeight);
return BAD_VALUE;
}
camera_metadata_entry_t availablePreviewSizes =
staticInfo(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
for (i = 0; i < availablePreviewSizes.count; i += 2 ) {
if (availablePreviewSizes.data.i32[i] == previewWidth &&
availablePreviewSizes.data.i32[i+1] == previewHeight) break;
}
if (i == availablePreviewSizes.count) {
ALOGE("%s: Requested preview size %d x %d is not supported",
__FUNCTION__, previewWidth, previewHeight);
return BAD_VALUE;
}
}
// PREVIEW_FPS_RANGE
int previewFpsRange[2];
int previewFps = 0;
bool fpsRangeChanged = false;
newParams.getPreviewFpsRange(&previewFpsRange[0], &previewFpsRange[1]);
if (previewFpsRange[0] != k.mParameters.previewFpsRange[0] ||
previewFpsRange[1] != k.mParameters.previewFpsRange[1]) {
fpsRangeChanged = true;
camera_metadata_entry_t availablePreviewFpsRanges =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2);
for (i = 0; i < availablePreviewFpsRanges.count; i += 2) {
if ((availablePreviewFpsRanges.data.i32[i] ==
previewFpsRange[0]) &&
(availablePreviewFpsRanges.data.i32[i+1] ==
previewFpsRange[1]) ) {
break;
}
}
if (i == availablePreviewFpsRanges.count) {
ALOGE("%s: Requested preview FPS range %d - %d is not supported",
__FUNCTION__, previewFpsRange[0], previewFpsRange[1]);
return BAD_VALUE;
}
previewFps = previewFpsRange[0];
}
// PREVIEW_FORMAT
int previewFormat = formatStringToEnum(newParams.getPreviewFormat());
if (previewFormat != k.mParameters.previewFormat) {
if (mState >= PREVIEW) {
ALOGE("%s: Preview format cannot be updated when preview "
"is active!", __FUNCTION__);
return BAD_VALUE;
}
camera_metadata_entry_t availableFormats =
staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS);
for (i = 0; i < availableFormats.count; i++) {
if (availableFormats.data.i32[i] == previewFormat) break;
}
if (i == availableFormats.count) {
ALOGE("%s: Requested preview format %s (0x%x) is not supported",
__FUNCTION__, newParams.getPreviewFormat(), previewFormat);
return BAD_VALUE;
}
}
// PREVIEW_FRAME_RATE
// Deprecated, only use if the preview fps range is unchanged this time.
// The single-value FPS is the same as the minimum of the range.
if (!fpsRangeChanged) {
previewFps = newParams.getPreviewFrameRate();
if (previewFps != k.mParameters.previewFps) {
camera_metadata_entry_t availableFrameRates =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
for (i = 0; i < availableFrameRates.count; i+=2) {
if (availableFrameRates.data.i32[i] == previewFps) break;
}
if (i == availableFrameRates.count) {
ALOGE("%s: Requested preview frame rate %d is not supported",
__FUNCTION__, previewFps);
return BAD_VALUE;
}
previewFpsRange[0] = availableFrameRates.data.i32[i];
previewFpsRange[1] = availableFrameRates.data.i32[i+1];
}
}
// PICTURE_SIZE
int pictureWidth, pictureHeight;
newParams.getPictureSize(&pictureWidth, &pictureHeight);
if (pictureWidth == k.mParameters.pictureWidth ||
pictureHeight == k.mParameters.pictureHeight) {
camera_metadata_entry_t availablePictureSizes =
staticInfo(ANDROID_SCALER_AVAILABLE_JPEG_SIZES);
for (i = 0; i < availablePictureSizes.count; i+=2) {
if (availablePictureSizes.data.i32[i] == pictureWidth &&
availablePictureSizes.data.i32[i+1] == pictureHeight) break;
}
if (i == availablePictureSizes.count) {
ALOGE("%s: Requested picture size %d x %d is not supported",
__FUNCTION__, pictureWidth, pictureHeight);
return BAD_VALUE;
}
}
// JPEG_THUMBNAIL_WIDTH/HEIGHT
int jpegThumbSize[2];
jpegThumbSize[0] =
newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH);
jpegThumbSize[1] =
newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT);
if (jpegThumbSize[0] != k.mParameters.jpegThumbSize[0] ||
jpegThumbSize[1] != k.mParameters.jpegThumbSize[1]) {
camera_metadata_entry_t availableJpegThumbSizes =
staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES);
for (i = 0; i < availableJpegThumbSizes.count; i+=2) {
if (availableJpegThumbSizes.data.i32[i] == jpegThumbSize[0] &&
availableJpegThumbSizes.data.i32[i+1] == jpegThumbSize[1]) {
break;
}
}
if (i == availableJpegThumbSizes.count) {
ALOGE("%s: Requested JPEG thumbnail size %d x %d is not supported",
__FUNCTION__, jpegThumbSize[0], jpegThumbSize[1]);
return BAD_VALUE;
}
}
// JPEG_THUMBNAIL_QUALITY
int jpegThumbQuality =
newParams.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY);
if (jpegThumbQuality < 0 || jpegThumbQuality > 100) {
ALOGE("%s: Requested JPEG thumbnail quality %d is not supported",
__FUNCTION__, jpegThumbQuality);
return BAD_VALUE;
}
// JPEG_QUALITY
int jpegQuality =
newParams.getInt(CameraParameters::KEY_JPEG_QUALITY);
if (jpegQuality < 0 || jpegQuality > 100) {
ALOGE("%s: Requested JPEG quality %d is not supported",
__FUNCTION__, jpegQuality);
return BAD_VALUE;
}
// ROTATION
int jpegRotation =
newParams.getInt(CameraParameters::KEY_ROTATION);
if (jpegRotation != 0 &&
jpegRotation != 90 &&
jpegRotation != 180 &&
jpegRotation != 270) {
ALOGE("%s: Requested picture rotation angle %d is not supported",
__FUNCTION__, jpegRotation);
return BAD_VALUE;
}
// GPS
bool gpsEnabled = false;
double gpsCoordinates[3] = {0,0,0};
int64_t gpsTimestamp = 0;
String8 gpsProcessingMethod;
const char *gpsLatStr =
newParams.get(CameraParameters::KEY_GPS_LATITUDE);
if (gpsLatStr != NULL) {
const char *gpsLongStr =
newParams.get(CameraParameters::KEY_GPS_LONGITUDE);
const char *gpsAltitudeStr =
newParams.get(CameraParameters::KEY_GPS_ALTITUDE);
const char *gpsTimeStr =
newParams.get(CameraParameters::KEY_GPS_TIMESTAMP);
const char *gpsProcMethodStr =
newParams.get(CameraParameters::KEY_GPS_PROCESSING_METHOD);
if (gpsLongStr == NULL ||
gpsAltitudeStr == NULL ||
gpsTimeStr == NULL ||
gpsProcMethodStr == NULL) {
ALOGE("%s: Incomplete set of GPS parameters provided",
__FUNCTION__);
return BAD_VALUE;
}
char *endPtr;
errno = 0;
gpsCoordinates[0] = strtod(gpsLatStr, &endPtr);
if (errno || endPtr == gpsLatStr) {
ALOGE("%s: Malformed GPS latitude: %s", __FUNCTION__, gpsLatStr);
return BAD_VALUE;
}
errno = 0;
gpsCoordinates[1] = strtod(gpsLongStr, &endPtr);
if (errno || endPtr == gpsLongStr) {
ALOGE("%s: Malformed GPS longitude: %s", __FUNCTION__, gpsLongStr);
return BAD_VALUE;
}
errno = 0;
gpsCoordinates[2] = strtod(gpsAltitudeStr, &endPtr);
if (errno || endPtr == gpsAltitudeStr) {
ALOGE("%s: Malformed GPS altitude: %s", __FUNCTION__,
gpsAltitudeStr);
return BAD_VALUE;
}
errno = 0;
gpsTimestamp = strtoll(gpsTimeStr, &endPtr, 10);
if (errno || endPtr == gpsTimeStr) {
ALOGE("%s: Malformed GPS timestamp: %s", __FUNCTION__, gpsTimeStr);
return BAD_VALUE;
}
gpsProcessingMethod = gpsProcMethodStr;
gpsEnabled = true;
}
// WHITE_BALANCE
int wbMode = wbModeStringToEnum(
newParams.get(CameraParameters::KEY_WHITE_BALANCE) );
if (wbMode != k.mParameters.wbMode) {
camera_metadata_entry_t availableWbModes =
staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES);
for (i = 0; i < availableWbModes.count; i++) {
if (wbMode == availableWbModes.data.u8[i]) break;
}
if (i == availableWbModes.count) {
ALOGE("%s: Requested white balance mode %s is not supported",
__FUNCTION__,
newParams.get(CameraParameters::KEY_WHITE_BALANCE));
return BAD_VALUE;
}
}
// EFFECT
int effectMode = effectModeStringToEnum(
newParams.get(CameraParameters::KEY_EFFECT) );
if (effectMode != k.mParameters.effectMode) {
camera_metadata_entry_t availableEffectModes =
staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS);
for (i = 0; i < availableEffectModes.count; i++) {
if (effectMode == availableEffectModes.data.u8[i]) break;
}
if (i == availableEffectModes.count) {
ALOGE("%s: Requested effect mode \"%s\" is not supported",
__FUNCTION__,
newParams.get(CameraParameters::KEY_EFFECT) );
return BAD_VALUE;
}
}
// ANTIBANDING
int antibandingMode = abModeStringToEnum(
newParams.get(CameraParameters::KEY_ANTIBANDING) );
if (antibandingMode != k.mParameters.antibandingMode) {
camera_metadata_entry_t availableAbModes =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES);
for (i = 0; i < availableAbModes.count; i++) {
if (antibandingMode == availableAbModes.data.u8[i]) break;
}
if (i == availableAbModes.count) {
ALOGE("%s: Requested antibanding mode \"%s\" is not supported",
__FUNCTION__,
newParams.get(CameraParameters::KEY_ANTIBANDING));
return BAD_VALUE;
}
}
// SCENE_MODE
int sceneMode = sceneModeStringToEnum(
newParams.get(CameraParameters::KEY_SCENE_MODE) );
if (sceneMode != k.mParameters.sceneMode) {
camera_metadata_entry_t availableSceneModes =
staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES);
for (i = 0; i < availableSceneModes.count; i++) {
if (sceneMode == availableSceneModes.data.u8[i]) break;
}
if (i == availableSceneModes.count) {
ALOGE("%s: Requested scene mode \"%s\" is not supported",
__FUNCTION__,
newParams.get(CameraParameters::KEY_SCENE_MODE));
return BAD_VALUE;
}
}
// FLASH_MODE
Parameters::flashMode_t flashMode = flashModeStringToEnum(
newParams.get(CameraParameters::KEY_FLASH_MODE) );
if (flashMode != k.mParameters.flashMode) {
camera_metadata_entry_t flashAvailable =
staticInfo(ANDROID_FLASH_AVAILABLE, 1, 1);
if (!flashAvailable.data.u8[0] &&
flashMode != Parameters::FLASH_MODE_OFF) {
ALOGE("%s: Requested flash mode \"%s\" is not supported: "
"No flash on device", __FUNCTION__,
newParams.get(CameraParameters::KEY_FLASH_MODE));
return BAD_VALUE;
} else if (flashMode == Parameters::FLASH_MODE_RED_EYE) {
camera_metadata_entry_t availableAeModes =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES);
for (i = 0; i < availableAeModes.count; i++) {
if (flashMode == availableAeModes.data.u8[i]) break;
}
if (i == availableAeModes.count) {
ALOGE("%s: Requested flash mode \"%s\" is not supported",
__FUNCTION__,
newParams.get(CameraParameters::KEY_FLASH_MODE));
return BAD_VALUE;
}
} else if (flashMode == -1) {
ALOGE("%s: Requested flash mode \"%s\" is unknown",
__FUNCTION__,
newParams.get(CameraParameters::KEY_FLASH_MODE));
return BAD_VALUE;
}
}
// FOCUS_MODE
Parameters::focusMode_t focusMode = focusModeStringToEnum(
newParams.get(CameraParameters::KEY_FOCUS_MODE));
if (focusMode != k.mParameters.focusMode) {
if (focusMode != Parameters::FOCUS_MODE_FIXED) {
camera_metadata_entry_t minFocusDistance =
staticInfo(ANDROID_LENS_MINIMUM_FOCUS_DISTANCE);
if (minFocusDistance.data.f[0] == 0) {
ALOGE("%s: Requested focus mode \"%s\" is not available: "
"fixed focus lens",
__FUNCTION__,
newParams.get(CameraParameters::KEY_FOCUS_MODE));
return BAD_VALUE;
} else if (focusMode != Parameters::FOCUS_MODE_INFINITY) {
camera_metadata_entry_t availableFocusModes =
staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES);
for (i = 0; i < availableFocusModes.count; i++) {
if (focusMode == availableFocusModes.data.u8[i]) break;
}
if (i == availableFocusModes.count) {
ALOGE("%s: Requested focus mode \"%s\" is not supported",
__FUNCTION__,
newParams.get(CameraParameters::KEY_FOCUS_MODE));
return BAD_VALUE;
}
}
}
}
// FOCUS_AREAS
Vector<Parameters::Area> focusingAreas;
res = parseAreas(newParams.get(CameraParameters::KEY_FOCUS_AREAS),
&focusingAreas);
size_t max3aRegions =
(size_t)staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1, 1).data.i32[0];
if (res == OK) res = validateAreas(focusingAreas, max3aRegions);
if (res != OK) {
ALOGE("%s: Requested focus areas are malformed: %s",
__FUNCTION__, newParams.get(CameraParameters::KEY_FOCUS_AREAS));
return BAD_VALUE;
}
// EXPOSURE_COMPENSATION
int exposureCompensation =
newParams.getInt(CameraParameters::KEY_EXPOSURE_COMPENSATION);
camera_metadata_entry_t exposureCompensationRange =
staticInfo(ANDROID_CONTROL_AE_EXP_COMPENSATION_RANGE);
if (exposureCompensation < exposureCompensationRange.data.i32[0] ||
exposureCompensation > exposureCompensationRange.data.i32[1]) {
ALOGE("%s: Requested exposure compensation index is out of bounds: %d",
__FUNCTION__, exposureCompensation);
return BAD_VALUE;
}
// AUTO_EXPOSURE_LOCK (always supported)
bool autoExposureLock = boolFromString(
newParams.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK));
// AUTO_WHITEBALANCE_LOCK (always supported)
bool autoWhiteBalanceLock = boolFromString(
newParams.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK));
// METERING_AREAS
Vector<Parameters::Area> meteringAreas;
res = parseAreas(newParams.get(CameraParameters::KEY_METERING_AREAS),
&meteringAreas);
if (res == OK) res = validateAreas(focusingAreas, max3aRegions);
if (res != OK) {
ALOGE("%s: Requested metering areas are malformed: %s",
__FUNCTION__,
newParams.get(CameraParameters::KEY_METERING_AREAS));
return BAD_VALUE;
}
// ZOOM
int zoom = newParams.getInt(CameraParameters::KEY_ZOOM);
if (zoom < 0 || zoom > (int)NUM_ZOOM_STEPS) {
ALOGE("%s: Requested zoom level %d is not supported",
__FUNCTION__, zoom);
return BAD_VALUE;
}
// VIDEO_SIZE
int videoWidth, videoHeight;
newParams.getVideoSize(&videoWidth, &videoHeight);
if (videoWidth != k.mParameters.videoWidth ||
videoHeight != k.mParameters.videoHeight) {
if (mState == RECORD) {
ALOGE("%s: Video size cannot be updated when recording is active!",
__FUNCTION__);
return BAD_VALUE;
}
camera_metadata_entry_t availableVideoSizes =
staticInfo(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
for (i = 0; i < availableVideoSizes.count; i += 2 ) {
if (availableVideoSizes.data.i32[i] == videoWidth &&
availableVideoSizes.data.i32[i+1] == videoHeight) break;
}
if (i == availableVideoSizes.count) {
ALOGE("%s: Requested video size %d x %d is not supported",
__FUNCTION__, videoWidth, videoHeight);
return BAD_VALUE;
}
}
// RECORDING_HINT (always supported)
bool recordingHint = boolFromString(
newParams.get(CameraParameters::KEY_RECORDING_HINT) );
// VIDEO_STABILIZATION
bool videoStabilization = boolFromString(
newParams.get(CameraParameters::KEY_VIDEO_STABILIZATION) );
camera_metadata_entry_t availableVideoStabilizationModes =
staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES);
if (videoStabilization && availableVideoStabilizationModes.count == 1) {
ALOGE("%s: Video stabilization not supported", __FUNCTION__);
}
/** Update internal parameters */
k.mParameters.previewWidth = previewWidth;
k.mParameters.previewHeight = previewHeight;
k.mParameters.previewFpsRange[0] = previewFpsRange[0];
k.mParameters.previewFpsRange[1] = previewFpsRange[1];
k.mParameters.previewFps = previewFps;
k.mParameters.previewFormat = previewFormat;
k.mParameters.pictureWidth = pictureWidth;
k.mParameters.pictureHeight = pictureHeight;
k.mParameters.jpegThumbSize[0] = jpegThumbSize[0];
k.mParameters.jpegThumbSize[1] = jpegThumbSize[1];
k.mParameters.jpegQuality = jpegQuality;
k.mParameters.jpegThumbQuality = jpegThumbQuality;
k.mParameters.gpsEnabled = gpsEnabled;
k.mParameters.gpsCoordinates[0] = gpsCoordinates[0];
k.mParameters.gpsCoordinates[1] = gpsCoordinates[1];
k.mParameters.gpsCoordinates[2] = gpsCoordinates[2];
k.mParameters.gpsTimestamp = gpsTimestamp;
k.mParameters.gpsProcessingMethod = gpsProcessingMethod;
k.mParameters.wbMode = wbMode;
k.mParameters.effectMode = effectMode;
k.mParameters.antibandingMode = antibandingMode;
k.mParameters.sceneMode = sceneMode;
k.mParameters.flashMode = flashMode;
k.mParameters.focusMode = focusMode;
k.mParameters.focusingAreas = focusingAreas;
k.mParameters.exposureCompensation = exposureCompensation;
k.mParameters.autoExposureLock = autoExposureLock;
k.mParameters.autoWhiteBalanceLock = autoWhiteBalanceLock;
k.mParameters.meteringAreas = meteringAreas;
k.mParameters.zoom = zoom;
k.mParameters.videoWidth = videoWidth;
k.mParameters.videoHeight = videoHeight;
k.mParameters.recordingHint = recordingHint;
k.mParameters.videoStabilization = videoStabilization;
res = updatePreviewRequest(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = updateCaptureRequest(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update capture request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = updateRecordingRequest(k.mParameters);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (mState == PREVIEW) {
res = mDevice->setStreamingRequest(mPreviewRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
} else if (mState == RECORD || mState == VIDEO_SNAPSHOT) {
res = mDevice->setStreamingRequest(mRecordingRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
k.mParameters.paramsFlattened = params;
return OK;
}
String8 Camera2Client::getParameters() const {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
if ( checkPid(__FUNCTION__) != OK) return String8();
LockedParameters::ReadKey k(mParameters);
// TODO: Deal with focus distances
return k.mParameters.paramsFlattened;
}
status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
ATRACE_CALL();
Mutex::Autolock icl(mICameraLock);
status_t res;
if ( (res = checkPid(__FUNCTION__) ) != OK) return res;
ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId,
cmd, arg1, arg2);
if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
LockedParameters::Key k(mParameters);
int transform = degToTransform(arg1,
mCameraFacing == CAMERA_FACING_FRONT);
if (transform == -1) {
ALOGE("%s: Camera %d: Error setting %d as display orientation value",
__FUNCTION__, mCameraId, arg1);
return BAD_VALUE;
}
if (transform != k.mParameters.previewTransform &&
mPreviewStreamId != NO_STREAM) {
mDevice->setStreamTransform(mPreviewStreamId, transform);
}
k.mParameters.previewTransform = transform;
return OK;
} else if (cmd == CAMERA_CMD_PING) {
// Always ping back if access is proper and device is alive
if (mState != DISCONNECTED) {
return OK;
} else {
return NO_INIT;
}
}
ALOGE("%s: Camera %d: Unimplemented command %d (%d, %d)", __FUNCTION__,
mCameraId, cmd, arg1, arg2);
return OK;
}
/** Device-related methods */
void Camera2Client::onCaptureAvailable() {
ATRACE_CALL();
status_t res;
sp<ICameraClient> currentClient;
ALOGV("%s: Camera %d: Still capture available", __FUNCTION__, mCameraId);
CpuConsumer::LockedBuffer imgBuffer;
{
Mutex::Autolock icl(mICameraLock);
// TODO: Signal errors here upstream
if (mState != STILL_CAPTURE && mState != VIDEO_SNAPSHOT) {
ALOGE("%s: Camera %d: Still image produced unexpectedly!",
__FUNCTION__, mCameraId);
return;
}
res = mCaptureConsumer->lockNextBuffer(&imgBuffer);
if (res != OK) {
ALOGE("%s: Camera %d: Error receiving still image buffer: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return;
}
if (imgBuffer.format != HAL_PIXEL_FORMAT_BLOB) {
ALOGE("%s: Camera %d: Unexpected format for still image: "
"%x, expected %x", __FUNCTION__, mCameraId,
imgBuffer.format,
HAL_PIXEL_FORMAT_BLOB);
mCaptureConsumer->unlockBuffer(imgBuffer);
return;
}
// TODO: Optimize this to avoid memcopy
void* captureMemory = mCaptureHeap->mHeap->getBase();
size_t size = mCaptureHeap->mHeap->getSize();
memcpy(captureMemory, imgBuffer.data, size);
mCaptureConsumer->unlockBuffer(imgBuffer);
currentClient = mCameraClient;
switch (mState) {
case STILL_CAPTURE:
mState = STOPPED;
break;
case VIDEO_SNAPSHOT:
mState = RECORD;
break;
default:
ALOGE("%s: Camera %d: Unexpected state %d", __FUNCTION__,
mCameraId, mState);
break;
}
}
// Call outside mICameraLock to allow re-entrancy from notification
if (currentClient != 0) {
currentClient->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE,
mCaptureHeap->mBuffers[0], NULL);
}
}
void Camera2Client::onRecordingFrameAvailable() {
ATRACE_CALL();
status_t res;
sp<ICameraClient> currentClient;
size_t heapIdx = 0;
nsecs_t timestamp;
{
Mutex::Autolock icl(mICameraLock);
// TODO: Signal errors here upstream
bool discardData = false;
if (mState != RECORD && mState != VIDEO_SNAPSHOT) {
ALOGV("%s: Camera %d: Discarding recording image buffers received after "
"recording done",
__FUNCTION__, mCameraId);
discardData = true;
}
buffer_handle_t imgBuffer;
res = mRecordingConsumer->getNextBuffer(&imgBuffer, &timestamp);
if (res != OK) {
ALOGE("%s: Camera %d: Error receiving recording buffer: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return;
}
if (discardData) {
mRecordingConsumer->freeBuffer(imgBuffer);
return;
}
if (mRecordingHeap == 0) {
const size_t bufferSize = 4 + sizeof(buffer_handle_t);
ALOGV("%s: Camera %d: Creating recording heap with %d buffers of "
"size %d bytes", __FUNCTION__, mCameraId,
kRecordingHeapCount, bufferSize);
if (mRecordingHeap != 0) {
ALOGV("%s: Camera %d: Previous heap has size %d "
"(new will be %d) bytes", __FUNCTION__, mCameraId,
mRecordingHeap->mHeap->getSize(),
bufferSize * kRecordingHeapCount);
}
// Need to allocate memory for heap
mRecordingHeap.clear();
mRecordingHeap = new Camera2Heap(bufferSize, kRecordingHeapCount,
"Camera2Client::RecordingHeap");
if (mRecordingHeap->mHeap->getSize() == 0) {
ALOGE("%s: Camera %d: Unable to allocate memory for recording",
__FUNCTION__, mCameraId);
mRecordingConsumer->freeBuffer(imgBuffer);
return;
}
mRecordingHeapHead = 0;
mRecordingHeapFree = kRecordingHeapCount;
}
if ( mRecordingHeapFree == 0) {
ALOGE("%s: Camera %d: No free recording buffers, dropping frame",
__FUNCTION__, mCameraId);
mRecordingConsumer->freeBuffer(imgBuffer);
return;
}
heapIdx = mRecordingHeapHead;
mRecordingHeapHead = (mRecordingHeapHead + 1) % kRecordingHeapCount;
mRecordingHeapFree--;
ALOGV("%s: Camera %d: Timestamp %lld",
__FUNCTION__, mCameraId, timestamp);
ssize_t offset;
size_t size;
sp<IMemoryHeap> heap =
mRecordingHeap->mBuffers[heapIdx]->getMemory(&offset,
&size);
uint8_t *data = (uint8_t*)heap->getBase() + offset;
uint32_t type = kMetadataBufferTypeGrallocSource;
memcpy(data, &type, 4);
memcpy(data + 4, &imgBuffer, sizeof(buffer_handle_t));
ALOGV("%s: Camera %d: Sending out buffer_handle_t %p",
__FUNCTION__, mCameraId, imgBuffer);
currentClient = mCameraClient;
}
// Call outside mICameraLock to allow re-entrancy from notification
if (currentClient != 0) {
currentClient->dataCallbackTimestamp(timestamp,
CAMERA_MSG_VIDEO_FRAME,
mRecordingHeap->mBuffers[heapIdx]);
}
}
camera_metadata_entry_t Camera2Client::staticInfo(uint32_t tag,
size_t minCount, size_t maxCount) {
status_t res;
camera_metadata_entry_t entry;
res = find_camera_metadata_entry(mDevice->info(),
tag,
&entry);
if (CC_UNLIKELY( res != OK )) {
const char* tagSection = get_camera_metadata_section_name(tag);
if (tagSection == NULL) tagSection = "<unknown>";
const char* tagName = get_camera_metadata_tag_name(tag);
if (tagName == NULL) tagName = "<unknown>";
ALOGE("Error finding static metadata entry '%s.%s' (%x): %s (%d)",
tagSection, tagName, tag, strerror(-res), res);
entry.count = 0;
entry.data.u8 = NULL;
} else if (CC_UNLIKELY(
(minCount != 0 && entry.count < minCount) ||
(maxCount != 0 && entry.count > maxCount) ) ) {
const char* tagSection = get_camera_metadata_section_name(tag);
if (tagSection == NULL) tagSection = "<unknown>";
const char* tagName = get_camera_metadata_tag_name(tag);
if (tagName == NULL) tagName = "<unknown>";
ALOGE("Malformed static metadata entry '%s.%s' (%x):"
"Expected between %d and %d values, but got %d values",
tagSection, tagName, tag, minCount, maxCount, entry.count);
entry.count = 0;
entry.data.u8 = NULL;
}
return entry;
}
/** Utility methods */
status_t Camera2Client::buildDefaultParameters() {
ATRACE_CALL();
LockedParameters::Key k(mParameters);
status_t res;
CameraParameters params;
camera_metadata_entry_t availableProcessedSizes =
staticInfo(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES, 2);
if (!availableProcessedSizes.count) return NO_INIT;
// TODO: Pick more intelligently
k.mParameters.previewWidth = availableProcessedSizes.data.i32[0];
k.mParameters.previewHeight = availableProcessedSizes.data.i32[1];
k.mParameters.videoWidth = k.mParameters.previewWidth;
k.mParameters.videoHeight = k.mParameters.previewHeight;
params.setPreviewSize(k.mParameters.previewWidth, k.mParameters.previewHeight);
params.setVideoSize(k.mParameters.videoWidth, k.mParameters.videoHeight);
params.set(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO,
String8::format("%dx%d",
k.mParameters.previewWidth, k.mParameters.previewHeight));
{
String8 supportedPreviewSizes;
for (size_t i=0; i < availableProcessedSizes.count; i += 2) {
if (i != 0) supportedPreviewSizes += ",";
supportedPreviewSizes += String8::format("%dx%d",
availableProcessedSizes.data.i32[i],
availableProcessedSizes.data.i32[i+1]);
}
params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES,
supportedPreviewSizes);
params.set(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES,
supportedPreviewSizes);
}
camera_metadata_entry_t availableFpsRanges =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, 2);
if (!availableFpsRanges.count) return NO_INIT;
k.mParameters.previewFpsRange[0] = availableFpsRanges.data.i32[0];
k.mParameters.previewFpsRange[1] = availableFpsRanges.data.i32[1];
params.set(CameraParameters::KEY_PREVIEW_FPS_RANGE,
String8::format("%d,%d",
k.mParameters.previewFpsRange[0],
k.mParameters.previewFpsRange[1]));
{
String8 supportedPreviewFpsRange;
for (size_t i=0; i < availableFpsRanges.count; i += 2) {
if (i != 0) supportedPreviewFpsRange += ",";
supportedPreviewFpsRange += String8::format("(%d,%d)",
availableFpsRanges.data.i32[i],
availableFpsRanges.data.i32[i+1]);
}
params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE,
supportedPreviewFpsRange);
}
k.mParameters.previewFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP;
params.set(CameraParameters::KEY_PREVIEW_FORMAT,
formatEnumToString(k.mParameters.previewFormat)); // NV21
k.mParameters.previewTransform = degToTransform(0,
mCameraFacing == CAMERA_FACING_FRONT);
camera_metadata_entry_t availableFormats =
staticInfo(ANDROID_SCALER_AVAILABLE_FORMATS);
{
String8 supportedPreviewFormats;
bool addComma = false;
for (size_t i=0; i < availableFormats.count; i++) {
if (addComma) supportedPreviewFormats += ",";
addComma = true;
switch (availableFormats.data.i32[i]) {
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
supportedPreviewFormats +=
CameraParameters::PIXEL_FORMAT_YUV422SP;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
supportedPreviewFormats +=
CameraParameters::PIXEL_FORMAT_YUV420SP;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_I:
supportedPreviewFormats +=
CameraParameters::PIXEL_FORMAT_YUV422I;
break;
case HAL_PIXEL_FORMAT_YV12:
supportedPreviewFormats +=
CameraParameters::PIXEL_FORMAT_YUV420P;
break;
case HAL_PIXEL_FORMAT_RGB_565:
supportedPreviewFormats +=
CameraParameters::PIXEL_FORMAT_RGB565;
break;
case HAL_PIXEL_FORMAT_RGBA_8888:
supportedPreviewFormats +=
CameraParameters::PIXEL_FORMAT_RGBA8888;
break;
// Not advertizing JPEG, RAW_SENSOR, etc, for preview formats
case HAL_PIXEL_FORMAT_RAW_SENSOR:
case HAL_PIXEL_FORMAT_BLOB:
addComma = false;
break;
default:
ALOGW("%s: Camera %d: Unknown preview format: %x",
__FUNCTION__, mCameraId, availableFormats.data.i32[i]);
addComma = false;
break;
}
}
params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS,
supportedPreviewFormats);
}
// PREVIEW_FRAME_RATE / SUPPORTED_PREVIEW_FRAME_RATES are deprecated, but
// still have to do something sane for them
params.set(CameraParameters::KEY_PREVIEW_FRAME_RATE,
k.mParameters.previewFpsRange[0]);
{
String8 supportedPreviewFrameRates;
for (size_t i=0; i < availableFpsRanges.count; i += 2) {
if (i != 0) supportedPreviewFrameRates += ",";
supportedPreviewFrameRates += String8::format("%d",
availableFpsRanges.data.i32[i]);
}
params.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES,
supportedPreviewFrameRates);
}
camera_metadata_entry_t availableJpegSizes =
staticInfo(ANDROID_SCALER_AVAILABLE_JPEG_SIZES, 2);
if (!availableJpegSizes.count) return NO_INIT;
// TODO: Pick maximum
k.mParameters.pictureWidth = availableJpegSizes.data.i32[0];
k.mParameters.pictureHeight = availableJpegSizes.data.i32[1];
params.setPictureSize(k.mParameters.pictureWidth,
k.mParameters.pictureHeight);
{
String8 supportedPictureSizes;
for (size_t i=0; i < availableJpegSizes.count; i += 2) {
if (i != 0) supportedPictureSizes += ",";
supportedPictureSizes += String8::format("%dx%d",
availableJpegSizes.data.i32[i],
availableJpegSizes.data.i32[i+1]);
}
params.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES,
supportedPictureSizes);
}
params.setPictureFormat(CameraParameters::PIXEL_FORMAT_JPEG);
params.set(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS,
CameraParameters::PIXEL_FORMAT_JPEG);
camera_metadata_entry_t availableJpegThumbnailSizes =
staticInfo(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, 2);
if (!availableJpegThumbnailSizes.count) return NO_INIT;
// TODO: Pick default thumbnail size sensibly
k.mParameters.jpegThumbSize[0] = availableJpegThumbnailSizes.data.i32[0];
k.mParameters.jpegThumbSize[1] = availableJpegThumbnailSizes.data.i32[1];
params.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH,
k.mParameters.jpegThumbSize[0]);
params.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT,
k.mParameters.jpegThumbSize[1]);
{
String8 supportedJpegThumbSizes;
for (size_t i=0; i < availableJpegThumbnailSizes.count; i += 2) {
if (i != 0) supportedJpegThumbSizes += ",";
supportedJpegThumbSizes += String8::format("%dx%d",
availableJpegThumbnailSizes.data.i32[i],
availableJpegThumbnailSizes.data.i32[i+1]);
}
params.set(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES,
supportedJpegThumbSizes);
}
k.mParameters.jpegThumbQuality = 90;
params.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY,
k.mParameters.jpegThumbQuality);
k.mParameters.jpegQuality = 90;
params.set(CameraParameters::KEY_JPEG_QUALITY,
k.mParameters.jpegQuality);
k.mParameters.jpegRotation = 0;
params.set(CameraParameters::KEY_ROTATION,
k.mParameters.jpegRotation);
k.mParameters.gpsEnabled = false;
k.mParameters.gpsProcessingMethod = "unknown";
// GPS fields in CameraParameters are not set by implementation
k.mParameters.wbMode = ANDROID_CONTROL_AWB_AUTO;
params.set(CameraParameters::KEY_WHITE_BALANCE,
CameraParameters::WHITE_BALANCE_AUTO);
camera_metadata_entry_t availableWhiteBalanceModes =
staticInfo(ANDROID_CONTROL_AWB_AVAILABLE_MODES);
{
String8 supportedWhiteBalance;
bool addComma = false;
for (size_t i=0; i < availableWhiteBalanceModes.count; i++) {
if (addComma) supportedWhiteBalance += ",";
addComma = true;
switch (availableWhiteBalanceModes.data.u8[i]) {
case ANDROID_CONTROL_AWB_AUTO:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_AUTO;
break;
case ANDROID_CONTROL_AWB_INCANDESCENT:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_INCANDESCENT;
break;
case ANDROID_CONTROL_AWB_FLUORESCENT:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_FLUORESCENT;
break;
case ANDROID_CONTROL_AWB_WARM_FLUORESCENT:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT;
break;
case ANDROID_CONTROL_AWB_DAYLIGHT:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_DAYLIGHT;
break;
case ANDROID_CONTROL_AWB_CLOUDY_DAYLIGHT:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT;
break;
case ANDROID_CONTROL_AWB_TWILIGHT:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_TWILIGHT;
break;
case ANDROID_CONTROL_AWB_SHADE:
supportedWhiteBalance +=
CameraParameters::WHITE_BALANCE_SHADE;
break;
// Skipping values not mappable to v1 API
case ANDROID_CONTROL_AWB_OFF:
addComma = false;
break;
default:
ALOGW("%s: Camera %d: Unknown white balance value: %d",
__FUNCTION__, mCameraId,
availableWhiteBalanceModes.data.u8[i]);
addComma = false;
break;
}
}
params.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE,
supportedWhiteBalance);
}
k.mParameters.effectMode = ANDROID_CONTROL_EFFECT_OFF;
params.set(CameraParameters::KEY_EFFECT,
CameraParameters::EFFECT_NONE);
camera_metadata_entry_t availableEffects =
staticInfo(ANDROID_CONTROL_AVAILABLE_EFFECTS);
if (!availableEffects.count) return NO_INIT;
{
String8 supportedEffects;
bool addComma = false;
for (size_t i=0; i < availableEffects.count; i++) {
if (addComma) supportedEffects += ",";
addComma = true;
switch (availableEffects.data.u8[i]) {
case ANDROID_CONTROL_EFFECT_OFF:
supportedEffects +=
CameraParameters::EFFECT_NONE;
break;
case ANDROID_CONTROL_EFFECT_MONO:
supportedEffects +=
CameraParameters::EFFECT_MONO;
break;
case ANDROID_CONTROL_EFFECT_NEGATIVE:
supportedEffects +=
CameraParameters::EFFECT_NEGATIVE;
break;
case ANDROID_CONTROL_EFFECT_SOLARIZE:
supportedEffects +=
CameraParameters::EFFECT_SOLARIZE;
break;
case ANDROID_CONTROL_EFFECT_SEPIA:
supportedEffects +=
CameraParameters::EFFECT_SEPIA;
break;
case ANDROID_CONTROL_EFFECT_POSTERIZE:
supportedEffects +=
CameraParameters::EFFECT_POSTERIZE;
break;
case ANDROID_CONTROL_EFFECT_WHITEBOARD:
supportedEffects +=
CameraParameters::EFFECT_WHITEBOARD;
break;
case ANDROID_CONTROL_EFFECT_BLACKBOARD:
supportedEffects +=
CameraParameters::EFFECT_BLACKBOARD;
break;
case ANDROID_CONTROL_EFFECT_AQUA:
supportedEffects +=
CameraParameters::EFFECT_AQUA;
break;
default:
ALOGW("%s: Camera %d: Unknown effect value: %d",
__FUNCTION__, mCameraId, availableEffects.data.u8[i]);
addComma = false;
break;
}
}
params.set(CameraParameters::KEY_SUPPORTED_EFFECTS, supportedEffects);
}
k.mParameters.antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_AUTO;
params.set(CameraParameters::KEY_ANTIBANDING,
CameraParameters::ANTIBANDING_AUTO);
camera_metadata_entry_t availableAntibandingModes =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES);
if (!availableAntibandingModes.count) return NO_INIT;
{
String8 supportedAntibanding;
bool addComma = false;
for (size_t i=0; i < availableAntibandingModes.count; i++) {
if (addComma) supportedAntibanding += ",";
addComma = true;
switch (availableAntibandingModes.data.u8[i]) {
case ANDROID_CONTROL_AE_ANTIBANDING_OFF:
supportedAntibanding +=
CameraParameters::ANTIBANDING_OFF;
break;
case ANDROID_CONTROL_AE_ANTIBANDING_50HZ:
supportedAntibanding +=
CameraParameters::ANTIBANDING_50HZ;
break;
case ANDROID_CONTROL_AE_ANTIBANDING_60HZ:
supportedAntibanding +=
CameraParameters::ANTIBANDING_60HZ;
break;
case ANDROID_CONTROL_AE_ANTIBANDING_AUTO:
supportedAntibanding +=
CameraParameters::ANTIBANDING_AUTO;
break;
default:
ALOGW("%s: Camera %d: Unknown antibanding value: %d",
__FUNCTION__, mCameraId,
availableAntibandingModes.data.u8[i]);
addComma = false;
break;
}
}
params.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING,
supportedAntibanding);
}
k.mParameters.sceneMode = ANDROID_CONTROL_OFF;
params.set(CameraParameters::KEY_SCENE_MODE,
CameraParameters::SCENE_MODE_AUTO);
camera_metadata_entry_t availableSceneModes =
staticInfo(ANDROID_CONTROL_AVAILABLE_SCENE_MODES);
if (!availableSceneModes.count) return NO_INIT;
{
String8 supportedSceneModes(CameraParameters::SCENE_MODE_AUTO);
bool addComma = true;
bool noSceneModes = false;
for (size_t i=0; i < availableSceneModes.count; i++) {
if (addComma) supportedSceneModes += ",";
addComma = true;
switch (availableSceneModes.data.u8[i]) {
case ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED:
noSceneModes = true;
break;
case ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY:
// Not in old API
addComma = false;
break;
case ANDROID_CONTROL_SCENE_MODE_ACTION:
supportedSceneModes +=
CameraParameters::SCENE_MODE_ACTION;
break;
case ANDROID_CONTROL_SCENE_MODE_PORTRAIT:
supportedSceneModes +=
CameraParameters::SCENE_MODE_PORTRAIT;
break;
case ANDROID_CONTROL_SCENE_MODE_LANDSCAPE:
supportedSceneModes +=
CameraParameters::SCENE_MODE_LANDSCAPE;
break;
case ANDROID_CONTROL_SCENE_MODE_NIGHT:
supportedSceneModes +=
CameraParameters::SCENE_MODE_NIGHT;
break;
case ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT:
supportedSceneModes +=
CameraParameters::SCENE_MODE_NIGHT_PORTRAIT;
break;
case ANDROID_CONTROL_SCENE_MODE_THEATRE:
supportedSceneModes +=
CameraParameters::SCENE_MODE_THEATRE;
break;
case ANDROID_CONTROL_SCENE_MODE_BEACH:
supportedSceneModes +=
CameraParameters::SCENE_MODE_BEACH;
break;
case ANDROID_CONTROL_SCENE_MODE_SNOW:
supportedSceneModes +=
CameraParameters::SCENE_MODE_SNOW;
break;
case ANDROID_CONTROL_SCENE_MODE_SUNSET:
supportedSceneModes +=
CameraParameters::SCENE_MODE_SUNSET;
break;
case ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO:
supportedSceneModes +=
CameraParameters::SCENE_MODE_STEADYPHOTO;
break;
case ANDROID_CONTROL_SCENE_MODE_FIREWORKS:
supportedSceneModes +=
CameraParameters::SCENE_MODE_FIREWORKS;
break;
case ANDROID_CONTROL_SCENE_MODE_SPORTS:
supportedSceneModes +=
CameraParameters::SCENE_MODE_SPORTS;
break;
case ANDROID_CONTROL_SCENE_MODE_PARTY:
supportedSceneModes +=
CameraParameters::SCENE_MODE_PARTY;
break;
case ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT:
supportedSceneModes +=
CameraParameters::SCENE_MODE_CANDLELIGHT;
break;
case ANDROID_CONTROL_SCENE_MODE_BARCODE:
supportedSceneModes +=
CameraParameters::SCENE_MODE_BARCODE;
break;
default:
ALOGW("%s: Camera %d: Unknown scene mode value: %d",
__FUNCTION__, mCameraId,
availableSceneModes.data.u8[i]);
addComma = false;
break;
}
}
if (!noSceneModes) {
params.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES,
supportedSceneModes);
}
}
camera_metadata_entry_t flashAvailable =
staticInfo(ANDROID_FLASH_AVAILABLE, 1, 1);
if (!flashAvailable.count) return NO_INIT;
camera_metadata_entry_t availableAeModes =
staticInfo(ANDROID_CONTROL_AE_AVAILABLE_MODES);
if (!availableAeModes.count) return NO_INIT;
if (flashAvailable.data.u8[0]) {
k.mParameters.flashMode = Parameters::FLASH_MODE_AUTO;
params.set(CameraParameters::KEY_FLASH_MODE,
CameraParameters::FLASH_MODE_AUTO);
String8 supportedFlashModes(CameraParameters::FLASH_MODE_OFF);
supportedFlashModes = supportedFlashModes +
"," + CameraParameters::FLASH_MODE_AUTO +
"," + CameraParameters::FLASH_MODE_ON +
"," + CameraParameters::FLASH_MODE_TORCH;
for (size_t i=0; i < availableAeModes.count; i++) {
if (availableAeModes.data.u8[i] ==
ANDROID_CONTROL_AE_ON_AUTO_FLASH_REDEYE) {
supportedFlashModes = supportedFlashModes + "," +
CameraParameters::FLASH_MODE_RED_EYE;
break;
}
}
params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES,
supportedFlashModes);
} else {
k.mParameters.flashMode = Parameters::FLASH_MODE_OFF;
params.set(CameraParameters::KEY_FLASH_MODE,
CameraParameters::FLASH_MODE_OFF);
params.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES,
CameraParameters::FLASH_MODE_OFF);
}
camera_metadata_entry_t minFocusDistance =
staticInfo(ANDROID_LENS_MINIMUM_FOCUS_DISTANCE, 1, 1);
if (!minFocusDistance.count) return NO_INIT;
camera_metadata_entry_t availableAfModes =
staticInfo(ANDROID_CONTROL_AF_AVAILABLE_MODES);
if (!availableAfModes.count) return NO_INIT;
if (minFocusDistance.data.f[0] == 0) {
// Fixed-focus lens
k.mParameters.focusMode = Parameters::FOCUS_MODE_FIXED;
params.set(CameraParameters::KEY_FOCUS_MODE,
CameraParameters::FOCUS_MODE_FIXED);
params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES,
CameraParameters::FOCUS_MODE_FIXED);
} else {
k.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO;
params.set(CameraParameters::KEY_FOCUS_MODE,
CameraParameters::FOCUS_MODE_AUTO);
String8 supportedFocusModes(CameraParameters::FOCUS_MODE_FIXED);
supportedFocusModes = supportedFocusModes + "," +
CameraParameters::FOCUS_MODE_INFINITY;
bool addComma = true;
for (size_t i=0; i < availableAfModes.count; i++) {
if (addComma) supportedFocusModes += ",";
addComma = true;
switch (availableAfModes.data.u8[i]) {
case ANDROID_CONTROL_AF_AUTO:
supportedFocusModes +=
CameraParameters::FOCUS_MODE_AUTO;
break;
case ANDROID_CONTROL_AF_MACRO:
supportedFocusModes +=
CameraParameters::FOCUS_MODE_MACRO;
break;
case ANDROID_CONTROL_AF_CONTINUOUS_VIDEO:
supportedFocusModes +=
CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO;
break;
case ANDROID_CONTROL_AF_CONTINUOUS_PICTURE:
supportedFocusModes +=
CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE;
break;
case ANDROID_CONTROL_AF_EDOF:
supportedFocusModes +=
CameraParameters::FOCUS_MODE_EDOF;
break;
// Not supported in old API
case ANDROID_CONTROL_AF_OFF:
addComma = false;
break;
default:
ALOGW("%s: Camera %d: Unknown AF mode value: %d",
__FUNCTION__, mCameraId, availableAfModes.data.u8[i]);
addComma = false;
break;
}
}
params.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES,
supportedFocusModes);
}
camera_metadata_entry_t max3aRegions =
staticInfo(ANDROID_CONTROL_MAX_REGIONS, 1, 1);
if (!max3aRegions.count) return NO_INIT;
params.set(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS,
max3aRegions.data.i32[0]);
params.set(CameraParameters::KEY_FOCUS_AREAS,
"(0,0,0,0,0)");
k.mParameters.focusingAreas.clear();
k.mParameters.focusingAreas.add(Parameters::Area(0,0,0,0,0));
camera_metadata_entry_t availableFocalLengths =
staticInfo(ANDROID_LENS_AVAILABLE_FOCAL_LENGTHS);
if (!availableFocalLengths.count) return NO_INIT;
float minFocalLength = availableFocalLengths.data.f[0];
params.setFloat(CameraParameters::KEY_FOCAL_LENGTH, minFocalLength);
camera_metadata_entry_t sensorSize =
staticInfo(ANDROID_SENSOR_PHYSICAL_SIZE, 2, 2);
if (!sensorSize.count) return NO_INIT;
// The fields of view here assume infinity focus, maximum wide angle
float horizFov = 180 / M_PI *
2 * atanf(sensorSize.data.f[0] / (2 * minFocalLength));
float vertFov = 180 / M_PI *
2 * atanf(sensorSize.data.f[1] / (2 * minFocalLength));
params.setFloat(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, horizFov);
params.setFloat(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, vertFov);
k.mParameters.exposureCompensation = 0;
params.set(CameraParameters::KEY_EXPOSURE_COMPENSATION,
k.mParameters.exposureCompensation);
camera_metadata_entry_t exposureCompensationRange =
staticInfo(ANDROID_CONTROL_AE_EXP_COMPENSATION_RANGE, 2, 2);
if (!exposureCompensationRange.count) return NO_INIT;
params.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION,
exposureCompensationRange.data.i32[1]);
params.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION,
exposureCompensationRange.data.i32[0]);
camera_metadata_entry_t exposureCompensationStep =
staticInfo(ANDROID_CONTROL_AE_EXP_COMPENSATION_STEP, 1, 1);
if (!exposureCompensationStep.count) return NO_INIT;
params.setFloat(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP,
exposureCompensationStep.data.r[0].numerator /
exposureCompensationStep.data.r[0].denominator);
k.mParameters.autoExposureLock = false;
params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK,
CameraParameters::FALSE);
params.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED,
CameraParameters::TRUE);
k.mParameters.autoWhiteBalanceLock = false;
params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK,
CameraParameters::FALSE);
params.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED,
CameraParameters::TRUE);
k.mParameters.meteringAreas.add(Parameters::Area(0, 0, 0, 0, 0));
params.set(CameraParameters::KEY_MAX_NUM_METERING_AREAS,
max3aRegions.data.i32[0]);
params.set(CameraParameters::KEY_METERING_AREAS,
"(0,0,0,0,0)");
k.mParameters.zoom = 0;
params.set(CameraParameters::KEY_ZOOM, k.mParameters.zoom);
params.set(CameraParameters::KEY_MAX_ZOOM, NUM_ZOOM_STEPS - 1);
camera_metadata_entry_t maxDigitalZoom =
staticInfo(ANDROID_SCALER_AVAILABLE_MAX_ZOOM, 1, 1);
if (!maxDigitalZoom.count) return NO_INIT;
{
String8 zoomRatios;
float zoom = 1.f;
float zoomIncrement = (maxDigitalZoom.data.f[0] - zoom) /
(NUM_ZOOM_STEPS-1);
bool addComma = false;
for (size_t i=0; i < NUM_ZOOM_STEPS; i++) {
if (addComma) zoomRatios += ",";
addComma = true;
zoomRatios += String8::format("%d", static_cast<int>(zoom * 100));
zoom += zoomIncrement;
}
params.set(CameraParameters::KEY_ZOOM_RATIOS, zoomRatios);
}
params.set(CameraParameters::KEY_ZOOM_SUPPORTED,
CameraParameters::TRUE);
params.set(CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED,
CameraParameters::TRUE);
params.set(CameraParameters::KEY_FOCUS_DISTANCES,
"Infinity,Infinity,Infinity");
camera_metadata_entry_t maxFacesDetected =
staticInfo(ANDROID_STATS_MAX_FACE_COUNT, 1, 1);
params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW,
maxFacesDetected.data.i32[0]);
params.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW,
0);
params.set(CameraParameters::KEY_VIDEO_FRAME_FORMAT,
CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE);
params.set(CameraParameters::KEY_RECORDING_HINT,
CameraParameters::FALSE);
params.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED,
CameraParameters::TRUE);
params.set(CameraParameters::KEY_VIDEO_STABILIZATION,
CameraParameters::FALSE);
camera_metadata_entry_t availableVideoStabilizationModes =
staticInfo(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES);
if (!availableVideoStabilizationModes.count) return NO_INIT;
if (availableVideoStabilizationModes.count > 1) {
params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED,
CameraParameters::TRUE);
} else {
params.set(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED,
CameraParameters::FALSE);
}
// Always use metadata mode for recording
k.mParameters.storeMetadataInBuffers = true;
k.mParameters.paramsFlattened = params.flatten();
return OK;
}
status_t Camera2Client::updatePreviewStream(const Parameters &params) {
ATRACE_CALL();
status_t res;
if (mPreviewStreamId != NO_STREAM) {
// Check if stream parameters have to change
uint32_t currentWidth, currentHeight;
res = mDevice->getStreamInfo(mPreviewStreamId,
&currentWidth, &currentHeight, 0);
if (res != OK) {
ALOGE("%s: Camera %d: Error querying preview stream info: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (currentWidth != (uint32_t)params.previewWidth ||
currentHeight != (uint32_t)params.previewHeight) {
ALOGV("%s: Camera %d: Preview size switch: %d x %d -> %d x %d",
__FUNCTION__, mCameraId, currentWidth, currentHeight,
params.previewWidth, params.previewHeight);
res = mDevice->waitUntilDrained();
if (res != OK) {
ALOGE("%s: Camera %d: Error waiting for preview to drain: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
res = mDevice->deleteStream(mPreviewStreamId);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to delete old output stream "
"for preview: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
mPreviewStreamId = NO_STREAM;
}
}
if (mPreviewStreamId == NO_STREAM) {
res = mDevice->createStream(mPreviewWindow,
params.previewWidth, params.previewHeight,
CAMERA2_HAL_PIXEL_FORMAT_OPAQUE, 0,
&mPreviewStreamId);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to create preview stream: %s (%d)",
__FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
res = mDevice->setStreamTransform(mPreviewStreamId,
params.previewTransform);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to set preview stream transform: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
return OK;
}
status_t Camera2Client::updatePreviewRequest(const Parameters &params) {
ATRACE_CALL();
status_t res;
if (mPreviewRequest == NULL) {
res = mDevice->createDefaultRequest(CAMERA2_TEMPLATE_PREVIEW,
&mPreviewRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to create default preview request: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
res = updateRequestCommon(mPreviewRequest, params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update common entries of preview "
"request: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
return OK;
}
status_t Camera2Client::updateCaptureStream(const Parameters &params) {
ATRACE_CALL();
status_t res;
// Find out buffer size for JPEG
camera_metadata_entry_t maxJpegSize =
staticInfo(ANDROID_JPEG_MAX_SIZE);
if (maxJpegSize.count == 0) {
ALOGE("%s: Camera %d: Can't find ANDROID_JPEG_MAX_SIZE!",
__FUNCTION__, mCameraId);
return INVALID_OPERATION;
}
if (mCaptureConsumer == 0) {
// Create CPU buffer queue endpoint
mCaptureConsumer = new CpuConsumer(1);
mCaptureConsumer->setFrameAvailableListener(new CaptureWaiter(this));
mCaptureConsumer->setName(String8("Camera2Client::CaptureConsumer"));
mCaptureWindow = new SurfaceTextureClient(
mCaptureConsumer->getProducerInterface());
// Create memory for API consumption
mCaptureHeap = new Camera2Heap(maxJpegSize.data.i32[0], 1,
"Camera2Client::CaptureHeap");
if (mCaptureHeap->mHeap->getSize() == 0) {
ALOGE("%s: Camera %d: Unable to allocate memory for capture",
__FUNCTION__, mCameraId);
return NO_MEMORY;
}
}
if (mCaptureStreamId != NO_STREAM) {
// Check if stream parameters have to change
uint32_t currentWidth, currentHeight;
res = mDevice->getStreamInfo(mCaptureStreamId,
&currentWidth, &currentHeight, 0);
if (res != OK) {
ALOGE("%s: Camera %d: Error querying capture output stream info: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (currentWidth != (uint32_t)params.pictureWidth ||
currentHeight != (uint32_t)params.pictureHeight) {
res = mDevice->deleteStream(mCaptureStreamId);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to delete old output stream "
"for capture: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
mCaptureStreamId = NO_STREAM;
}
}
if (mCaptureStreamId == NO_STREAM) {
// Create stream for HAL production
res = mDevice->createStream(mCaptureWindow,
params.pictureWidth, params.pictureHeight,
HAL_PIXEL_FORMAT_BLOB, maxJpegSize.data.i32[0],
&mCaptureStreamId);
if (res != OK) {
ALOGE("%s: Camera %d: Can't create output stream for capture: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
return OK;
}
status_t Camera2Client::updateCaptureRequest(const Parameters &params) {
ATRACE_CALL();
status_t res;
if (mCaptureRequest == NULL) {
res = mDevice->createDefaultRequest(CAMERA2_TEMPLATE_STILL_CAPTURE,
&mCaptureRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to create default still image request:"
" %s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
res = updateRequestCommon(mCaptureRequest, params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update common entries of capture "
"request: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_THUMBNAIL_SIZE,
params.jpegThumbSize, 2);
if (res != OK) return res;
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_THUMBNAIL_QUALITY,
&params.jpegThumbQuality, 1);
if (res != OK) return res;
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_QUALITY,
&params.jpegQuality, 1);
if (res != OK) return res;
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_ORIENTATION,
&params.jpegRotation, 1);
if (res != OK) return res;
if (params.gpsEnabled) {
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_GPS_COORDINATES,
params.gpsCoordinates, 3);
if (res != OK) return res;
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_GPS_TIMESTAMP,
&params.gpsTimestamp, 1);
if (res != OK) return res;
res = updateEntry(mCaptureRequest,
ANDROID_JPEG_GPS_PROCESSING_METHOD,
params.gpsProcessingMethod.string(),
params.gpsProcessingMethod.size());
if (res != OK) return res;
} else {
res = deleteEntry(mCaptureRequest,
ANDROID_JPEG_GPS_COORDINATES);
if (res != OK) return res;
res = deleteEntry(mCaptureRequest,
ANDROID_JPEG_GPS_TIMESTAMP);
if (res != OK) return res;
res = deleteEntry(mCaptureRequest,
ANDROID_JPEG_GPS_PROCESSING_METHOD);
if (res != OK) return res;
}
return OK;
}
status_t Camera2Client::updateRecordingRequest(const Parameters &params) {
ATRACE_CALL();
status_t res;
if (mRecordingRequest == NULL) {
res = mDevice->createDefaultRequest(CAMERA2_TEMPLATE_VIDEO_RECORD,
&mRecordingRequest);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to create default recording request:"
" %s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
res = updateRequestCommon(mRecordingRequest, params);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to update common entries of recording "
"request: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
return OK;
}
status_t Camera2Client::updateRecordingStream(const Parameters &params) {
status_t res;
if (mRecordingConsumer == 0) {
// Create CPU buffer queue endpoint
mRecordingConsumer = new MediaConsumer(kRecordingHeapCount);
mRecordingConsumer->setFrameAvailableListener(new RecordingWaiter(this));
mRecordingConsumer->setName(String8("Camera2Client::RecordingConsumer"));
mRecordingWindow = new SurfaceTextureClient(
mRecordingConsumer->getProducerInterface());
// Allocate memory later, since we don't know buffer size until receipt
}
if (mRecordingStreamId != NO_STREAM) {
// Check if stream parameters have to change
uint32_t currentWidth, currentHeight;
res = mDevice->getStreamInfo(mRecordingStreamId,
&currentWidth, &currentHeight, 0);
if (res != OK) {
ALOGE("%s: Camera %d: Error querying recording output stream info: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
if (currentWidth != (uint32_t)params.videoWidth ||
currentHeight != (uint32_t)params.videoHeight) {
// TODO: Should wait to be sure previous recording has finished
res = mDevice->deleteStream(mRecordingStreamId);
if (res != OK) {
ALOGE("%s: Camera %d: Unable to delete old output stream "
"for recording: %s (%d)", __FUNCTION__, mCameraId,
strerror(-res), res);
return res;
}
mRecordingStreamId = NO_STREAM;
}
}
if (mRecordingStreamId == NO_STREAM) {
res = mDevice->createStream(mRecordingWindow,
params.videoWidth, params.videoHeight,
CAMERA2_HAL_PIXEL_FORMAT_OPAQUE, 0, &mRecordingStreamId);
if (res != OK) {
ALOGE("%s: Camera %d: Can't create output stream for recording: "
"%s (%d)", __FUNCTION__, mCameraId, strerror(-res), res);
return res;
}
}
return OK;
}
status_t Camera2Client::updateRequestCommon(camera_metadata_t *request,
const Parameters &params) {
ATRACE_CALL();
status_t res;
res = updateEntry(request,
ANDROID_CONTROL_AE_TARGET_FPS_RANGE, params.previewFpsRange, 2);
if (res != OK) return res;
uint8_t wbMode = params.autoWhiteBalanceLock ?
ANDROID_CONTROL_AWB_LOCKED : params.wbMode;
res = updateEntry(request,
ANDROID_CONTROL_AWB_MODE, &wbMode, 1);
if (res != OK) return res;
res = updateEntry(request,
ANDROID_CONTROL_EFFECT_MODE, &params.effectMode, 1);
if (res != OK) return res;
res = updateEntry(request,
ANDROID_CONTROL_AE_ANTIBANDING_MODE,
&params.antibandingMode, 1);
if (res != OK) return res;
uint8_t controlMode =
(params.sceneMode == ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED) ?
ANDROID_CONTROL_AUTO : ANDROID_CONTROL_USE_SCENE_MODE;
res = updateEntry(request,
ANDROID_CONTROL_MODE, &controlMode, 1);
if (res != OK) return res;
if (controlMode == ANDROID_CONTROL_USE_SCENE_MODE) {
res = updateEntry(request,
ANDROID_CONTROL_SCENE_MODE,
&params.sceneMode, 1);
if (res != OK) return res;
}
uint8_t flashMode = ANDROID_FLASH_OFF;
uint8_t aeMode;
switch (params.flashMode) {
case Parameters::FLASH_MODE_OFF:
aeMode = ANDROID_CONTROL_AE_ON; break;
case Parameters::FLASH_MODE_AUTO:
aeMode = ANDROID_CONTROL_AE_ON_AUTO_FLASH; break;
case Parameters::FLASH_MODE_ON:
aeMode = ANDROID_CONTROL_AE_ON_ALWAYS_FLASH; break;
case Parameters::FLASH_MODE_TORCH:
aeMode = ANDROID_CONTROL_AE_ON;
flashMode = ANDROID_FLASH_TORCH;
break;
case Parameters::FLASH_MODE_RED_EYE:
aeMode = ANDROID_CONTROL_AE_ON_AUTO_FLASH_REDEYE; break;
default:
ALOGE("%s: Camera %d: Unknown flash mode %d", __FUNCTION__,
mCameraId, params.flashMode);
return BAD_VALUE;
}
if (params.autoExposureLock) aeMode = ANDROID_CONTROL_AE_LOCKED;
res = updateEntry(request,
ANDROID_FLASH_MODE, &flashMode, 1);
if (res != OK) return res;
res = updateEntry(request,
ANDROID_CONTROL_AE_MODE, &aeMode, 1);
if (res != OK) return res;
float focusDistance = 0; // infinity focus in diopters
uint8_t focusMode;
switch (params.focusMode) {
case Parameters::FOCUS_MODE_AUTO:
case Parameters::FOCUS_MODE_MACRO:
case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO:
case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE:
case Parameters::FOCUS_MODE_EDOF:
focusMode = params.focusMode;
break;
case Parameters::FOCUS_MODE_INFINITY:
case Parameters::FOCUS_MODE_FIXED:
focusMode = ANDROID_CONTROL_AF_OFF;
break;
default:
ALOGE("%s: Camera %d: Unknown focus mode %d", __FUNCTION__,
mCameraId, params.focusMode);
return BAD_VALUE;
}
res = updateEntry(request,
ANDROID_LENS_FOCUS_DISTANCE, &focusDistance, 1);
if (res != OK) return res;
res = updateEntry(request,
ANDROID_CONTROL_AF_MODE, &focusMode, 1);
if (res != OK) return res;
size_t focusingAreasSize = params.focusingAreas.size() * 5;
int32_t *focusingAreas = new int32_t[focusingAreasSize];
for (size_t i = 0; i < focusingAreasSize; i += 5) {
focusingAreas[i + 0] = params.focusingAreas[i].left;
focusingAreas[i + 1] = params.focusingAreas[i].top;
focusingAreas[i + 2] = params.focusingAreas[i].right;
focusingAreas[i + 3] = params.focusingAreas[i].bottom;
focusingAreas[i + 4] = params.focusingAreas[i].weight;
}
res = updateEntry(request,
ANDROID_CONTROL_AF_REGIONS, focusingAreas,focusingAreasSize);
if (res != OK) return res;
delete[] focusingAreas;
res = updateEntry(request,
ANDROID_CONTROL_AE_EXP_COMPENSATION,
&params.exposureCompensation, 1);
if (res != OK) return res;
size_t meteringAreasSize = params.meteringAreas.size() * 5;
int32_t *meteringAreas = new int32_t[meteringAreasSize];
for (size_t i = 0; i < meteringAreasSize; i += 5) {
meteringAreas[i + 0] = params.meteringAreas[i].left;
meteringAreas[i + 1] = params.meteringAreas[i].top;
meteringAreas[i + 2] = params.meteringAreas[i].right;
meteringAreas[i + 3] = params.meteringAreas[i].bottom;
meteringAreas[i + 4] = params.meteringAreas[i].weight;
}
res = updateEntry(request,
ANDROID_CONTROL_AE_REGIONS, meteringAreas, meteringAreasSize);
if (res != OK) return res;
res = updateEntry(request,
ANDROID_CONTROL_AWB_REGIONS, meteringAreas, meteringAreasSize);
if (res != OK) return res;
delete[] meteringAreas;
// Need to convert zoom index into a crop rectangle. The rectangle is
// chosen to maximize its area on the sensor
camera_metadata_entry_t maxDigitalZoom =
staticInfo(ANDROID_SCALER_AVAILABLE_MAX_ZOOM);
float zoomIncrement = (maxDigitalZoom.data.f[0] - 1) /
(NUM_ZOOM_STEPS-1);
float zoomRatio = 1 + zoomIncrement * params.zoom;
camera_metadata_entry_t activePixelArraySize =
staticInfo(ANDROID_SENSOR_ACTIVE_ARRAY_SIZE, 2, 2);
int32_t arrayWidth = activePixelArraySize.data.i32[0];
int32_t arrayHeight = activePixelArraySize.data.i32[1];
float zoomLeft, zoomTop, zoomWidth, zoomHeight;
if (params.previewWidth >= params.previewHeight) {
zoomWidth = arrayWidth / zoomRatio;
zoomHeight = zoomWidth *
params.previewHeight / params.previewWidth;
} else {
zoomHeight = arrayHeight / zoomRatio;
zoomWidth = zoomHeight *
params.previewWidth / params.previewHeight;
}
zoomLeft = (arrayWidth - zoomWidth) / 2;
zoomTop = (arrayHeight - zoomHeight) / 2;
int32_t cropRegion[3] = { zoomLeft, zoomTop, zoomWidth };
res = updateEntry(request,
ANDROID_SCALER_CROP_REGION, cropRegion, 3);
if (res != OK) return res;
// TODO: Decide how to map recordingHint, or whether just to ignore it
uint8_t vstabMode = params.videoStabilization ?
ANDROID_CONTROL_VIDEO_STABILIZATION_ON :
ANDROID_CONTROL_VIDEO_STABILIZATION_OFF;
res = updateEntry(request,
ANDROID_CONTROL_VIDEO_STABILIZATION_MODE,
&vstabMode, 1);
if (res != OK) return res;
return OK;
}
status_t Camera2Client::updateEntry(camera_metadata_t *buffer,
uint32_t tag, const void *data, size_t data_count) {
camera_metadata_entry_t entry;
status_t res;
res = find_camera_metadata_entry(buffer, tag, &entry);
if (res == NAME_NOT_FOUND) {
res = add_camera_metadata_entry(buffer,
tag, data, data_count);
} else if (res == OK) {
res = update_camera_metadata_entry(buffer,
entry.index, data, data_count, NULL);
}
if (res != OK) {
ALOGE("%s: Unable to update metadata entry %s.%s (%x): %s (%d)",
__FUNCTION__, get_camera_metadata_section_name(tag),
get_camera_metadata_tag_name(tag), tag, strerror(-res), res);
}
return res;
}
status_t Camera2Client::deleteEntry(camera_metadata_t *buffer, uint32_t tag) {
camera_metadata_entry_t entry;
status_t res;
res = find_camera_metadata_entry(buffer, tag, &entry);
if (res == NAME_NOT_FOUND) {
return OK;
} else if (res != OK) {
ALOGE("%s: Error looking for entry %s.%s (%x): %s %d",
__FUNCTION__,
get_camera_metadata_section_name(tag),
get_camera_metadata_tag_name(tag), tag, strerror(-res), res);
return res;
}
res = delete_camera_metadata_entry(buffer, entry.index);
if (res != OK) {
ALOGE("%s: Error deleting entry %s.%s (%x): %s %d",
__FUNCTION__,
get_camera_metadata_section_name(tag),
get_camera_metadata_tag_name(tag), tag, strerror(-res), res);
}
return res;
}
int Camera2Client::formatStringToEnum(const char *format) {
return
!strcmp(format, CameraParameters::PIXEL_FORMAT_YUV422SP) ?
HAL_PIXEL_FORMAT_YCbCr_422_SP : // NV16
!strcmp(format, CameraParameters::PIXEL_FORMAT_YUV420SP) ?
HAL_PIXEL_FORMAT_YCrCb_420_SP : // NV21
!strcmp(format, CameraParameters::PIXEL_FORMAT_YUV422I) ?
HAL_PIXEL_FORMAT_YCbCr_422_I : // YUY2
!strcmp(format, CameraParameters::PIXEL_FORMAT_YUV420P) ?
HAL_PIXEL_FORMAT_YV12 : // YV12
!strcmp(format, CameraParameters::PIXEL_FORMAT_RGB565) ?
HAL_PIXEL_FORMAT_RGB_565 : // RGB565
!strcmp(format, CameraParameters::PIXEL_FORMAT_RGBA8888) ?
HAL_PIXEL_FORMAT_RGBA_8888 : // RGB8888
!strcmp(format, CameraParameters::PIXEL_FORMAT_BAYER_RGGB) ?
HAL_PIXEL_FORMAT_RAW_SENSOR : // Raw sensor data
-1;
}
const char* Camera2Client::formatEnumToString(int format) {
const char *fmt;
switch(format) {
case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16
fmt = CameraParameters::PIXEL_FORMAT_YUV422SP;
break;
case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21
fmt = CameraParameters::PIXEL_FORMAT_YUV420SP;
break;
case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2
fmt = CameraParameters::PIXEL_FORMAT_YUV422I;
break;
case HAL_PIXEL_FORMAT_YV12: // YV12
fmt = CameraParameters::PIXEL_FORMAT_YUV420P;
break;
case HAL_PIXEL_FORMAT_RGB_565: // RGB565
fmt = CameraParameters::PIXEL_FORMAT_RGB565;
break;
case HAL_PIXEL_FORMAT_RGBA_8888: // RGBA8888
fmt = CameraParameters::PIXEL_FORMAT_RGBA8888;
break;
case HAL_PIXEL_FORMAT_RAW_SENSOR:
ALOGW("Raw sensor preview format requested.");
fmt = CameraParameters::PIXEL_FORMAT_BAYER_RGGB;
break;
default:
ALOGE("%s: Unknown preview format: %x",
__FUNCTION__, format);
fmt = NULL;
break;
}
return fmt;
}
int Camera2Client::wbModeStringToEnum(const char *wbMode) {
return
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_AUTO) ?
ANDROID_CONTROL_AWB_AUTO :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_INCANDESCENT) ?
ANDROID_CONTROL_AWB_INCANDESCENT :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_FLUORESCENT) ?
ANDROID_CONTROL_AWB_FLUORESCENT :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT) ?
ANDROID_CONTROL_AWB_WARM_FLUORESCENT :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_DAYLIGHT) ?
ANDROID_CONTROL_AWB_DAYLIGHT :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT) ?
ANDROID_CONTROL_AWB_CLOUDY_DAYLIGHT :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_TWILIGHT) ?
ANDROID_CONTROL_AWB_TWILIGHT :
!strcmp(wbMode, CameraParameters::WHITE_BALANCE_SHADE) ?
ANDROID_CONTROL_AWB_SHADE :
-1;
}
int Camera2Client::effectModeStringToEnum(const char *effectMode) {
return
!strcmp(effectMode, CameraParameters::EFFECT_NONE) ?
ANDROID_CONTROL_EFFECT_OFF :
!strcmp(effectMode, CameraParameters::EFFECT_MONO) ?
ANDROID_CONTROL_EFFECT_MONO :
!strcmp(effectMode, CameraParameters::EFFECT_NEGATIVE) ?
ANDROID_CONTROL_EFFECT_NEGATIVE :
!strcmp(effectMode, CameraParameters::EFFECT_SOLARIZE) ?
ANDROID_CONTROL_EFFECT_SOLARIZE :
!strcmp(effectMode, CameraParameters::EFFECT_SEPIA) ?
ANDROID_CONTROL_EFFECT_SEPIA :
!strcmp(effectMode, CameraParameters::EFFECT_POSTERIZE) ?
ANDROID_CONTROL_EFFECT_POSTERIZE :
!strcmp(effectMode, CameraParameters::EFFECT_WHITEBOARD) ?
ANDROID_CONTROL_EFFECT_WHITEBOARD :
!strcmp(effectMode, CameraParameters::EFFECT_BLACKBOARD) ?
ANDROID_CONTROL_EFFECT_BLACKBOARD :
!strcmp(effectMode, CameraParameters::EFFECT_AQUA) ?
ANDROID_CONTROL_EFFECT_AQUA :
-1;
}
int Camera2Client::abModeStringToEnum(const char *abMode) {
return
!strcmp(abMode, CameraParameters::ANTIBANDING_AUTO) ?
ANDROID_CONTROL_AE_ANTIBANDING_AUTO :
!strcmp(abMode, CameraParameters::ANTIBANDING_OFF) ?
ANDROID_CONTROL_AE_ANTIBANDING_OFF :
!strcmp(abMode, CameraParameters::ANTIBANDING_50HZ) ?
ANDROID_CONTROL_AE_ANTIBANDING_50HZ :
!strcmp(abMode, CameraParameters::ANTIBANDING_60HZ) ?
ANDROID_CONTROL_AE_ANTIBANDING_60HZ :
-1;
}
int Camera2Client::sceneModeStringToEnum(const char *sceneMode) {
return
!strcmp(sceneMode, CameraParameters::SCENE_MODE_AUTO) ?
ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_ACTION) ?
ANDROID_CONTROL_SCENE_MODE_ACTION :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_PORTRAIT) ?
ANDROID_CONTROL_SCENE_MODE_PORTRAIT :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_LANDSCAPE) ?
ANDROID_CONTROL_SCENE_MODE_LANDSCAPE :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT) ?
ANDROID_CONTROL_SCENE_MODE_NIGHT :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_NIGHT_PORTRAIT) ?
ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_THEATRE) ?
ANDROID_CONTROL_SCENE_MODE_THEATRE :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_BEACH) ?
ANDROID_CONTROL_SCENE_MODE_BEACH :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_SNOW) ?
ANDROID_CONTROL_SCENE_MODE_SNOW :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_SUNSET) ?
ANDROID_CONTROL_SCENE_MODE_SUNSET :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_STEADYPHOTO) ?
ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_FIREWORKS) ?
ANDROID_CONTROL_SCENE_MODE_FIREWORKS :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_SPORTS) ?
ANDROID_CONTROL_SCENE_MODE_SPORTS :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_PARTY) ?
ANDROID_CONTROL_SCENE_MODE_PARTY :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_CANDLELIGHT) ?
ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT :
!strcmp(sceneMode, CameraParameters::SCENE_MODE_BARCODE) ?
ANDROID_CONTROL_SCENE_MODE_BARCODE:
-1;
}
Camera2Client::Parameters::flashMode_t Camera2Client::flashModeStringToEnum(
const char *flashMode) {
return
!strcmp(flashMode, CameraParameters::FLASH_MODE_OFF) ?
Parameters::FLASH_MODE_OFF :
!strcmp(flashMode, CameraParameters::FLASH_MODE_AUTO) ?
Parameters::FLASH_MODE_AUTO :
!strcmp(flashMode, CameraParameters::FLASH_MODE_ON) ?
Parameters::FLASH_MODE_ON :
!strcmp(flashMode, CameraParameters::FLASH_MODE_RED_EYE) ?
Parameters::FLASH_MODE_RED_EYE :
!strcmp(flashMode, CameraParameters::FLASH_MODE_TORCH) ?
Parameters::FLASH_MODE_TORCH :
Parameters::FLASH_MODE_INVALID;
}
Camera2Client::Parameters::focusMode_t Camera2Client::focusModeStringToEnum(
const char *focusMode) {
return
!strcmp(focusMode, CameraParameters::FOCUS_MODE_AUTO) ?
Parameters::FOCUS_MODE_AUTO :
!strcmp(focusMode, CameraParameters::FOCUS_MODE_INFINITY) ?
Parameters::FOCUS_MODE_INFINITY :
!strcmp(focusMode, CameraParameters::FOCUS_MODE_MACRO) ?
Parameters::FOCUS_MODE_MACRO :
!strcmp(focusMode, CameraParameters::FOCUS_MODE_FIXED) ?
Parameters::FOCUS_MODE_FIXED :
!strcmp(focusMode, CameraParameters::FOCUS_MODE_EDOF) ?
Parameters::FOCUS_MODE_EDOF :
!strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO) ?
Parameters::FOCUS_MODE_CONTINUOUS_VIDEO :
!strcmp(focusMode, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) ?
Parameters::FOCUS_MODE_CONTINUOUS_PICTURE :
Parameters::FOCUS_MODE_INVALID;
}
status_t Camera2Client::parseAreas(const char *areasCStr,
Vector<Parameters::Area> *areas) {
static const size_t NUM_FIELDS = 5;
areas->clear();
if (areasCStr == NULL) {
// If no key exists, use default (0,0,0,0,0)
areas->push();
return OK;
}
String8 areasStr(areasCStr);
ssize_t areaStart = areasStr.find("(", 0) + 1;
while (areaStart != 0) {
const char* area = areasStr.string() + areaStart;
char *numEnd;
int vals[NUM_FIELDS];
for (size_t i = 0; i < NUM_FIELDS; i++) {
errno = 0;
vals[i] = strtol(area, &numEnd, 10);
if (errno || numEnd == area) return BAD_VALUE;
area = numEnd + 1;
}
areas->push(Parameters::Area(
vals[0], vals[1], vals[2], vals[3], vals[4]) );
areaStart = areasStr.find("(", areaStart) + 1;
}
return OK;
}
status_t Camera2Client::validateAreas(const Vector<Parameters::Area> &areas,
size_t maxRegions) {
// Definition of valid area can be found in
// include/camera/CameraParameters.h
if (areas.size() == 0) return BAD_VALUE;
if (areas.size() == 1) {
if (areas[0].left == 0 &&
areas[0].top == 0 &&
areas[0].right == 0 &&
areas[0].bottom == 0 &&
areas[0].weight == 0) {
// Single (0,0,0,0,0) entry is always valid (== driver decides)
return OK;
}
}
if (areas.size() > maxRegions) {
ALOGE("%s: Too many areas requested: %d",
__FUNCTION__, areas.size());
return BAD_VALUE;
}
for (Vector<Parameters::Area>::const_iterator a = areas.begin();
a != areas.end(); a++) {
if (a->weight < 1 || a->weight > 1000) return BAD_VALUE;
if (a->left < -1000 || a->left > 1000) return BAD_VALUE;
if (a->top < -1000 || a->top > 1000) return BAD_VALUE;
if (a->right < -1000 || a->right > 1000) return BAD_VALUE;
if (a->bottom < -1000 || a->bottom > 1000) return BAD_VALUE;
if (a->left >= a->right) return BAD_VALUE;
if (a->top >= a->bottom) return BAD_VALUE;
}
return OK;
}
bool Camera2Client::boolFromString(const char *boolStr) {
return !boolStr ? false :
!strcmp(boolStr, CameraParameters::TRUE) ? true :
false;
}
int Camera2Client::degToTransform(int degrees, bool mirror) {
if (!mirror) {
if (degrees == 0) return 0;
else if (degrees == 90) return HAL_TRANSFORM_ROT_90;
else if (degrees == 180) return HAL_TRANSFORM_ROT_180;
else if (degrees == 270) return HAL_TRANSFORM_ROT_270;
} else { // Do mirror (horizontal flip)
if (degrees == 0) { // FLIP_H and ROT_0
return HAL_TRANSFORM_FLIP_H;
} else if (degrees == 90) { // FLIP_H and ROT_90
return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90;
} else if (degrees == 180) { // FLIP_H and ROT_180
return HAL_TRANSFORM_FLIP_V;
} else if (degrees == 270) { // FLIP_H and ROT_270
return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90;
}
}
ALOGE("%s: Bad input: %d", __FUNCTION__, degrees);
return -1;
}
} // namespace android