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Diffstat (limited to 'services/camera/libcameraservice/CameraService.cpp')
-rw-r--r--services/camera/libcameraservice/CameraService.cpp90
1 files changed, 79 insertions, 11 deletions
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 26c8007..db6272b 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -15,6 +15,7 @@
*/
#define LOG_TAG "CameraService"
+#define ATRACE_TAG ATRACE_TAG_CAMERA
//#define LOG_NDEBUG 0
#include <algorithm>
@@ -33,7 +34,6 @@
#include <binder/MemoryBase.h>
#include <binder/MemoryHeapBase.h>
#include <binder/ProcessInfoService.h>
-#include <camera/ICameraServiceProxy.h>
#include <cutils/atomic.h>
#include <cutils/properties.h>
#include <gui/Surface.h>
@@ -157,7 +157,6 @@ void CameraService::onFirstRef()
}
mModule = new CameraModule(rawModule);
- ALOGI("Loaded \"%s\" camera module", mModule->getModuleName());
err = mModule->init();
if (err != OK) {
ALOGE("Could not initialize camera HAL module: %d (%s)", err,
@@ -169,6 +168,7 @@ void CameraService::onFirstRef()
mModule = nullptr;
return;
}
+ ALOGI("Loaded \"%s\" camera module", mModule->getModuleName());
mNumberOfCameras = mModule->getNumberOfCameras();
mNumberOfNormalCameras = mNumberOfCameras;
@@ -250,13 +250,19 @@ void CameraService::onFirstRef()
CameraService::pingCameraServiceProxy();
}
-void CameraService::pingCameraServiceProxy() {
+sp<ICameraServiceProxy> CameraService::getCameraServiceProxy() {
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("media.camera.proxy"));
if (binder == nullptr) {
- return;
+ return nullptr;
}
sp<ICameraServiceProxy> proxyBinder = interface_cast<ICameraServiceProxy>(binder);
+ return proxyBinder;
+}
+
+void CameraService::pingCameraServiceProxy() {
+ sp<ICameraServiceProxy> proxyBinder = getCameraServiceProxy();
+ if (proxyBinder == nullptr) return;
proxyBinder->pingForUserUpdate();
}
@@ -398,10 +404,12 @@ void CameraService::onTorchStatusChangedLocked(const String8& cameraId,
}
int32_t CameraService::getNumberOfCameras() {
+ ATRACE_CALL();
return getNumberOfCameras(CAMERA_TYPE_BACKWARD_COMPATIBLE);
}
int32_t CameraService::getNumberOfCameras(int type) {
+ ATRACE_CALL();
switch (type) {
case CAMERA_TYPE_BACKWARD_COMPATIBLE:
return mNumberOfNormalCameras;
@@ -416,6 +424,7 @@ int32_t CameraService::getNumberOfCameras(int type) {
status_t CameraService::getCameraInfo(int cameraId,
struct CameraInfo* cameraInfo) {
+ ATRACE_CALL();
if (!mModule) {
return -ENODEV;
}
@@ -443,6 +452,7 @@ int CameraService::cameraIdToInt(const String8& cameraId) {
}
status_t CameraService::generateShimMetadata(int cameraId, /*out*/CameraMetadata* cameraInfo) {
+ ATRACE_CALL();
status_t ret = OK;
struct CameraInfo info;
if ((ret = getCameraInfo(cameraId, &info)) != OK) {
@@ -529,6 +539,7 @@ status_t CameraService::generateShimMetadata(int cameraId, /*out*/CameraMetadata
status_t CameraService::getCameraCharacteristics(int cameraId,
CameraMetadata* cameraInfo) {
+ ATRACE_CALL();
if (!cameraInfo) {
ALOGE("%s: cameraInfo is NULL", __FUNCTION__);
return BAD_VALUE;
@@ -597,10 +608,16 @@ int CameraService::getCameraPriorityFromProcState(int procState) {
procState);
return -1;
}
+ // Treat sleeping TOP processes the same as regular TOP processes, for
+ // access priority. This is important for lock-screen camera launch scenarios
+ if (procState == PROCESS_STATE_TOP_SLEEPING) {
+ procState = PROCESS_STATE_TOP;
+ }
return INT_MAX - procState;
}
status_t CameraService::getCameraVendorTagDescriptor(/*out*/sp<VendorTagDescriptor>& desc) {
+ ATRACE_CALL();
if (!mModule) {
ALOGE("%s: camera hardware module doesn't exist", __FUNCTION__);
return -ENODEV;
@@ -611,6 +628,7 @@ status_t CameraService::getCameraVendorTagDescriptor(/*out*/sp<VendorTagDescript
}
int CameraService::getDeviceVersion(int cameraId, int* facing) {
+ ATRACE_CALL();
struct camera_info info;
if (mModule->getCameraInfo(cameraId, &info) != OK) {
return -1;
@@ -642,6 +660,7 @@ status_t CameraService::filterGetInfoErrorCode(status_t err) {
}
bool CameraService::setUpVendorTags() {
+ ATRACE_CALL();
vendor_tag_ops_t vOps = vendor_tag_ops_t();
// Check if vendor operations have been implemented
@@ -650,9 +669,7 @@ bool CameraService::setUpVendorTags() {
return false;
}
- ATRACE_BEGIN("camera3->get_metadata_vendor_tag_ops");
mModule->getVendorTagOps(&vOps);
- ATRACE_END();
// Ensure all vendor operations are present
if (vOps.get_tag_count == NULL || vOps.get_all_tags == NULL ||
@@ -935,6 +952,16 @@ void CameraService::finishConnectLocked(const sp<BasicClient>& client,
LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, clients not evicted properly",
__FUNCTION__);
}
+
+ // And register a death notification for the client callback. Do
+ // this last to avoid Binder policy where a nested Binder
+ // transaction might be pre-empted to service the client death
+ // notification if the client process dies before linkToDeath is
+ // invoked.
+ sp<IBinder> remoteCallback = client->getRemote();
+ if (remoteCallback != nullptr) {
+ remoteCallback->linkToDeath(this);
+ }
}
status_t CameraService::handleEvictionsLocked(const String8& cameraId, int clientPid,
@@ -942,7 +969,7 @@ status_t CameraService::handleEvictionsLocked(const String8& cameraId, int clien
/*out*/
sp<BasicClient>* client,
std::shared_ptr<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>* partial) {
-
+ ATRACE_CALL();
status_t ret = NO_ERROR;
std::vector<DescriptorPtr> evictedClients;
DescriptorPtr clientDescriptor;
@@ -1131,6 +1158,7 @@ status_t CameraService::connect(
/*out*/
sp<ICamera>& device) {
+ ATRACE_CALL();
status_t ret = NO_ERROR;
String8 id = String8::format("%d", cameraId);
sp<Client> client = nullptr;
@@ -1155,6 +1183,7 @@ status_t CameraService::connectLegacy(
/*out*/
sp<ICamera>& device) {
+ ATRACE_CALL();
String8 id = String8::format("%d", cameraId);
int apiVersion = mModule->getModuleApiVersion();
if (halVersion != CAMERA_HAL_API_VERSION_UNSPECIFIED &&
@@ -1195,6 +1224,7 @@ status_t CameraService::connectDevice(
/*out*/
sp<ICameraDeviceUser>& device) {
+ ATRACE_CALL();
status_t ret = NO_ERROR;
String8 id = String8::format("%d", cameraId);
sp<CameraDeviceClient> client = nullptr;
@@ -1214,6 +1244,8 @@ status_t CameraService::connectDevice(
status_t CameraService::setTorchMode(const String16& cameraId, bool enabled,
const sp<IBinder>& clientBinder) {
+
+ ATRACE_CALL();
if (enabled && clientBinder == nullptr) {
ALOGE("%s: torch client binder is NULL", __FUNCTION__);
return -EINVAL;
@@ -1302,6 +1334,8 @@ status_t CameraService::setTorchMode(const String16& cameraId, bool enabled,
}
void CameraService::notifySystemEvent(int32_t eventId, const int32_t* args, size_t length) {
+ ATRACE_CALL();
+
switch(eventId) {
case ICameraService::USER_SWITCHED: {
doUserSwitch(/*newUserIds*/args, /*length*/length);
@@ -1317,6 +1351,8 @@ void CameraService::notifySystemEvent(int32_t eventId, const int32_t* args, size
}
status_t CameraService::addListener(const sp<ICameraServiceListener>& listener) {
+ ATRACE_CALL();
+
ALOGV("%s: Add listener %p", __FUNCTION__, listener.get());
if (listener == nullptr) {
@@ -1365,6 +1401,8 @@ status_t CameraService::addListener(const sp<ICameraServiceListener>& listener)
}
status_t CameraService::removeListener(const sp<ICameraServiceListener>& listener) {
+ ATRACE_CALL();
+
ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get());
if (listener == 0) {
@@ -1391,6 +1429,8 @@ status_t CameraService::removeListener(const sp<ICameraServiceListener>& listene
}
status_t CameraService::getLegacyParameters(int cameraId, /*out*/String16* parameters) {
+
+ ATRACE_CALL();
ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId);
if (parameters == NULL) {
@@ -1415,6 +1455,8 @@ status_t CameraService::getLegacyParameters(int cameraId, /*out*/String16* param
}
status_t CameraService::supportsCameraApi(int cameraId, int apiVersion) {
+ ATRACE_CALL();
+
ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId);
switch (apiVersion) {
@@ -1782,6 +1824,8 @@ MediaPlayer* CameraService::newMediaPlayer(const char *file) {
}
void CameraService::loadSound() {
+ ATRACE_CALL();
+
Mutex::Autolock lock(mSoundLock);
LOG1("CameraService::loadSound ref=%d", mSoundRef);
if (mSoundRef++) return;
@@ -1804,6 +1848,8 @@ void CameraService::releaseSound() {
}
void CameraService::playSound(sound_kind kind) {
+ ATRACE_CALL();
+
LOG1("playSound(%d)", kind);
Mutex::Autolock lock(mSoundLock);
sp<MediaPlayer> player = mSoundPlayer[kind];
@@ -1874,11 +1920,9 @@ CameraService::BasicClient::~BasicClient() {
void CameraService::BasicClient::disconnect() {
if (mDisconnected) {
- ALOGE("%s: Disconnect called on already disconnected client for device %d", __FUNCTION__,
- mCameraId);
return;
}
- mDisconnected = true;;
+ mDisconnected = true;
mCameraService->removeByClient(this);
mCameraService->logDisconnected(String8::format("%d", mCameraId), mClientPid,
@@ -1915,6 +1959,8 @@ bool CameraService::BasicClient::canCastToApiClient(apiLevel level) const {
}
status_t CameraService::BasicClient::startCameraOps() {
+ ATRACE_CALL();
+
int32_t res;
// Notify app ops that the camera is not available
mOpsCallback = new OpsCallback(this);
@@ -1948,10 +1994,16 @@ status_t CameraService::BasicClient::startCameraOps() {
mCameraService->updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE,
String8::format("%d", mCameraId));
+ // Transition device state to OPEN
+ mCameraService->updateProxyDeviceState(ICameraServiceProxy::CAMERA_STATE_OPEN,
+ String8::format("%d", mCameraId));
+
return OK;
}
status_t CameraService::BasicClient::finishCameraOps() {
+ ATRACE_CALL();
+
// Check if startCameraOps succeeded, and if so, finish the camera op
if (mOpsActive) {
// Notify app ops that the camera is available again
@@ -1966,6 +2018,10 @@ status_t CameraService::BasicClient::finishCameraOps() {
mCameraService->updateStatus(ICameraServiceListener::STATUS_PRESENT,
String8::format("%d", mCameraId), rejected);
+ // Transition device state to CLOSED
+ mCameraService->updateProxyDeviceState(ICameraServiceProxy::CAMERA_STATE_CLOSED,
+ String8::format("%d", mCameraId));
+
// Notify flashlight that a camera device is closed.
mCameraService->mFlashlight->deviceClosed(
String8::format("%d", mCameraId));
@@ -1980,6 +2036,8 @@ status_t CameraService::BasicClient::finishCameraOps() {
}
void CameraService::BasicClient::opChanged(int32_t op, const String16& packageName) {
+ ATRACE_CALL();
+
String8 name(packageName);
String8 myName(mClientPackageName);
@@ -2207,9 +2265,11 @@ static bool tryLock(Mutex& mutex)
}
status_t CameraService::dump(int fd, const Vector<String16>& args) {
+ ATRACE_CALL();
+
String8 result("Dump of the Camera Service:\n");
if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
- result.appendFormat("Permission Denial: "
+ result = result.format("Permission Denial: "
"can't dump CameraService from pid=%d, uid=%d\n",
getCallingPid(),
getCallingUid());
@@ -2470,6 +2530,14 @@ void CameraService::updateStatus(ICameraServiceListener::Status status, const St
});
}
+void CameraService::updateProxyDeviceState(ICameraServiceProxy::CameraState newState,
+ const String8& cameraId) {
+ sp<ICameraServiceProxy> proxyBinder = getCameraServiceProxy();
+ if (proxyBinder == nullptr) return;
+ String16 id(cameraId);
+ proxyBinder->notifyCameraState(id, newState);
+}
+
status_t CameraService::getTorchStatusLocked(
const String8& cameraId,
ICameraServiceListener::TorchStatus *status) const {
generated by cgit v1.1 at 2024-05-14 12:25:01 +0000