blob: c03e8a24f0dfaa6d327b26fbb9a8653540854cfa [file] [log] [blame]
/*
* Copyright (C) 2013 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 "CameraDeviceClient"
#define ATRACE_TAG ATRACE_TAG_CAMERA
//#define LOG_NDEBUG 0
#include <cutils/properties.h>
#include <utils/Log.h>
#include <utils/Trace.h>
#include <gui/Surface.h>
#include <camera/camera2/CaptureRequest.h>
#include <camera/CameraUtils.h>
#include "common/CameraDeviceBase.h"
#include "api2/CameraDeviceClient.h"
// Convenience methods for constructing binder::Status objects for error returns
#define STATUS_ERROR(errorCode, errorString) \
binder::Status::fromServiceSpecificError(errorCode, \
String8::format("%s:%d: %s", __FUNCTION__, __LINE__, errorString))
#define STATUS_ERROR_FMT(errorCode, errorString, ...) \
binder::Status::fromServiceSpecificError(errorCode, \
String8::format("%s:%d: " errorString, __FUNCTION__, __LINE__, \
__VA_ARGS__))
namespace android {
using namespace camera2;
CameraDeviceClientBase::CameraDeviceClientBase(
const sp<CameraService>& cameraService,
const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
const String16& clientPackageName,
const String8& cameraId,
int cameraFacing,
int clientPid,
uid_t clientUid,
int servicePid) :
BasicClient(cameraService,
IInterface::asBinder(remoteCallback),
clientPackageName,
cameraId,
cameraFacing,
clientPid,
clientUid,
servicePid),
mRemoteCallback(remoteCallback) {
}
// Interface used by CameraService
CameraDeviceClient::CameraDeviceClient(const sp<CameraService>& cameraService,
const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
const String16& clientPackageName,
const String8& cameraId,
int cameraFacing,
int clientPid,
uid_t clientUid,
int servicePid) :
Camera2ClientBase(cameraService, remoteCallback, clientPackageName,
cameraId, cameraFacing, clientPid, clientUid, servicePid),
mInputStream(),
mStreamingRequestId(REQUEST_ID_NONE),
mRequestIdCounter(0) {
ATRACE_CALL();
ALOGI("CameraDeviceClient %s: Opened", cameraId.string());
}
status_t CameraDeviceClient::initialize(sp<CameraProviderManager> manager) {
return initializeImpl(manager);
}
template<typename TProviderPtr>
status_t CameraDeviceClient::initializeImpl(TProviderPtr providerPtr) {
ATRACE_CALL();
status_t res;
res = Camera2ClientBase::initialize(providerPtr);
if (res != OK) {
return res;
}
String8 threadName;
mFrameProcessor = new FrameProcessorBase(mDevice);
threadName = String8::format("CDU-%s-FrameProc", mCameraIdStr.string());
mFrameProcessor->run(threadName.string());
mFrameProcessor->registerListener(FRAME_PROCESSOR_LISTENER_MIN_ID,
FRAME_PROCESSOR_LISTENER_MAX_ID,
/*listener*/this,
/*sendPartials*/true);
return OK;
}
CameraDeviceClient::~CameraDeviceClient() {
}
binder::Status CameraDeviceClient::submitRequest(
const hardware::camera2::CaptureRequest& request,
bool streaming,
/*out*/
hardware::camera2::utils::SubmitInfo *submitInfo) {
std::vector<hardware::camera2::CaptureRequest> requestList = { request };
return submitRequestList(requestList, streaming, submitInfo);
}
binder::Status CameraDeviceClient::submitRequestList(
const std::vector<hardware::camera2::CaptureRequest>& requests,
bool streaming,
/*out*/
hardware::camera2::utils::SubmitInfo *submitInfo) {
ATRACE_CALL();
ALOGV("%s-start of function. Request list size %zu", __FUNCTION__, requests.size());
binder::Status res = binder::Status::ok();
status_t err;
if ( !(res = checkPidStatus(__FUNCTION__) ).isOk()) {
return res;
}
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
if (requests.empty()) {
ALOGE("%s: Camera %s: Sent null request. Rejecting request.",
__FUNCTION__, mCameraIdStr.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Empty request list");
}
List<const CameraMetadata> metadataRequestList;
std::list<const SurfaceMap> surfaceMapList;
submitInfo->mRequestId = mRequestIdCounter;
uint32_t loopCounter = 0;
for (auto&& request: requests) {
if (request.mIsReprocess) {
if (!mInputStream.configured) {
ALOGE("%s: Camera %s: no input stream is configured.", __FUNCTION__,
mCameraIdStr.string());
return STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
"No input configured for camera %s but request is for reprocessing",
mCameraIdStr.string());
} else if (streaming) {
ALOGE("%s: Camera %s: streaming reprocess requests not supported.", __FUNCTION__,
mCameraIdStr.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Repeating reprocess requests not supported");
}
}
CameraMetadata metadata(request.mMetadata);
if (metadata.isEmpty()) {
ALOGE("%s: Camera %s: Sent empty metadata packet. Rejecting request.",
__FUNCTION__, mCameraIdStr.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Request settings are empty");
} else if (request.mSurfaceList.isEmpty()) {
ALOGE("%s: Camera %s: Requests must have at least one surface target. "
"Rejecting request.", __FUNCTION__, mCameraIdStr.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Request has no output targets");
}
if (!enforceRequestPermissions(metadata)) {
// Callee logs
return STATUS_ERROR(CameraService::ERROR_PERMISSION_DENIED,
"Caller does not have permission to change restricted controls");
}
/**
* Write in the output stream IDs and map from stream ID to surface ID
* which we calculate from the capture request's list of surface target
*/
SurfaceMap surfaceMap;
Vector<int32_t> outputStreamIds;
for (sp<Surface> surface : request.mSurfaceList) {
if (surface == 0) continue;
sp<IGraphicBufferProducer> gbp = surface->getIGraphicBufferProducer();
int idx = mStreamMap.indexOfKey(IInterface::asBinder(gbp));
// Trying to submit request with surface that wasn't created
if (idx == NAME_NOT_FOUND) {
ALOGE("%s: Camera %s: Tried to submit a request with a surface that"
" we have not called createStream on",
__FUNCTION__, mCameraIdStr.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Request targets Surface that is not part of current capture session");
}
const StreamSurfaceId& streamSurfaceId = mStreamMap.valueAt(idx);
if (surfaceMap.find(streamSurfaceId.streamId()) == surfaceMap.end()) {
surfaceMap[streamSurfaceId.streamId()] = std::vector<size_t>();
outputStreamIds.push_back(streamSurfaceId.streamId());
}
surfaceMap[streamSurfaceId.streamId()].push_back(streamSurfaceId.surfaceId());
ALOGV("%s: Camera %s: Appending output stream %d surface %d to request",
__FUNCTION__, mCameraIdStr.string(), streamSurfaceId.streamId(),
streamSurfaceId.surfaceId());
}
metadata.update(ANDROID_REQUEST_OUTPUT_STREAMS, &outputStreamIds[0],
outputStreamIds.size());
if (request.mIsReprocess) {
metadata.update(ANDROID_REQUEST_INPUT_STREAMS, &mInputStream.id, 1);
}
metadata.update(ANDROID_REQUEST_ID, &(submitInfo->mRequestId), /*size*/1);
loopCounter++; // loopCounter starts from 1
ALOGV("%s: Camera %s: Creating request with ID %d (%d of %zu)",
__FUNCTION__, mCameraIdStr.string(), submitInfo->mRequestId,
loopCounter, requests.size());
metadataRequestList.push_back(metadata);
surfaceMapList.push_back(surfaceMap);
}
mRequestIdCounter++;
if (streaming) {
err = mDevice->setStreamingRequestList(metadataRequestList, surfaceMapList,
&(submitInfo->mLastFrameNumber));
if (err != OK) {
String8 msg = String8::format(
"Camera %s: Got error %s (%d) after trying to set streaming request",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION,
msg.string());
} else {
Mutex::Autolock idLock(mStreamingRequestIdLock);
mStreamingRequestId = submitInfo->mRequestId;
}
} else {
err = mDevice->captureList(metadataRequestList, surfaceMapList,
&(submitInfo->mLastFrameNumber));
if (err != OK) {
String8 msg = String8::format(
"Camera %s: Got error %s (%d) after trying to submit capture request",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION,
msg.string());
}
ALOGV("%s: requestId = %d ", __FUNCTION__, submitInfo->mRequestId);
}
ALOGV("%s: Camera %s: End of function", __FUNCTION__, mCameraIdStr.string());
return res;
}
binder::Status CameraDeviceClient::cancelRequest(
int requestId,
/*out*/
int64_t* lastFrameNumber) {
ATRACE_CALL();
ALOGV("%s, requestId = %d", __FUNCTION__, requestId);
status_t err;
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
Mutex::Autolock idLock(mStreamingRequestIdLock);
if (mStreamingRequestId != requestId) {
String8 msg = String8::format("Camera %s: Canceling request ID %d doesn't match "
"current request ID %d", mCameraIdStr.string(), requestId, mStreamingRequestId);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
err = mDevice->clearStreamingRequest(lastFrameNumber);
if (err == OK) {
ALOGV("%s: Camera %s: Successfully cleared streaming request",
__FUNCTION__, mCameraIdStr.string());
mStreamingRequestId = REQUEST_ID_NONE;
} else {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error clearing streaming request: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::beginConfigure() {
// TODO: Implement this.
ATRACE_CALL();
ALOGV("%s: Not implemented yet.", __FUNCTION__);
return binder::Status::ok();
}
binder::Status CameraDeviceClient::endConfigure(int operatingMode) {
ATRACE_CALL();
ALOGV("%s: ending configure (%d input stream, %zu output surfaces)",
__FUNCTION__, mInputStream.configured ? 1 : 0,
mStreamMap.size());
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
if (operatingMode < 0) {
String8 msg = String8::format(
"Camera %s: Invalid operating mode %d requested", mCameraIdStr.string(), operatingMode);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
msg.string());
}
// Sanitize the high speed session against necessary capability bit.
bool isConstrainedHighSpeed = (operatingMode == ICameraDeviceUser::CONSTRAINED_HIGH_SPEED_MODE);
if (isConstrainedHighSpeed) {
CameraMetadata staticInfo = mDevice->info();
camera_metadata_entry_t entry = staticInfo.find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
bool isConstrainedHighSpeedSupported = false;
for(size_t i = 0; i < entry.count; ++i) {
uint8_t capability = entry.data.u8[i];
if (capability == ANDROID_REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO) {
isConstrainedHighSpeedSupported = true;
break;
}
}
if (!isConstrainedHighSpeedSupported) {
String8 msg = String8::format(
"Camera %s: Try to create a constrained high speed configuration on a device"
" that doesn't support it.", mCameraIdStr.string());
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
msg.string());
}
}
status_t err = mDevice->configureStreams(operatingMode);
if (err == BAD_VALUE) {
String8 msg = String8::format("Camera %s: Unsupported set of inputs/outputs provided",
mCameraIdStr.string());
ALOGE("%s: %s", __FUNCTION__, msg.string());
res = STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
} else if (err != OK) {
String8 msg = String8::format("Camera %s: Error configuring streams: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
return res;
}
binder::Status CameraDeviceClient::deleteStream(int streamId) {
ATRACE_CALL();
ALOGV("%s (streamId = 0x%x)", __FUNCTION__, streamId);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
bool isInput = false;
std::vector<sp<IBinder>> surfaces;
ssize_t dIndex = NAME_NOT_FOUND;
if (mInputStream.configured && mInputStream.id == streamId) {
isInput = true;
} else {
// Guard against trying to delete non-created streams
for (size_t i = 0; i < mStreamMap.size(); ++i) {
if (streamId == mStreamMap.valueAt(i).streamId()) {
surfaces.push_back(mStreamMap.keyAt(i));
}
}
// See if this stream is one of the deferred streams.
for (size_t i = 0; i < mDeferredStreams.size(); ++i) {
if (streamId == mDeferredStreams[i]) {
dIndex = i;
break;
}
}
if (surfaces.empty() && dIndex == NAME_NOT_FOUND) {
String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no such"
" stream created yet", mCameraIdStr.string(), streamId);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
}
// Also returns BAD_VALUE if stream ID was not valid
status_t err = mDevice->deleteStream(streamId);
if (err != OK) {
String8 msg = String8::format("Camera %s: Unexpected error %s (%d) when deleting stream %d",
mCameraIdStr.string(), strerror(-err), err, streamId);
ALOGE("%s: %s", __FUNCTION__, msg.string());
res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
} else {
if (isInput) {
mInputStream.configured = false;
} else {
for (auto& surface : surfaces) {
mStreamMap.removeItem(surface);
}
if (dIndex != NAME_NOT_FOUND) {
mDeferredStreams.removeItemsAt(dIndex);
}
}
}
return res;
}
binder::Status CameraDeviceClient::createStream(
const hardware::camera2::params::OutputConfiguration &outputConfiguration,
/*out*/
int32_t* newStreamId) {
ATRACE_CALL();
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
const std::vector<sp<IGraphicBufferProducer>>& bufferProducers =
outputConfiguration.getGraphicBufferProducers();
size_t numBufferProducers = bufferProducers.size();
bool deferredConsumer = outputConfiguration.isDeferred();
bool isShared = outputConfiguration.isShared();
if (numBufferProducers > MAX_SURFACES_PER_STREAM) {
ALOGE("%s: GraphicBufferProducer count %zu for stream exceeds limit of %d",
__FUNCTION__, bufferProducers.size(), MAX_SURFACES_PER_STREAM);
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Surface count is too high");
}
bool deferredConsumerOnly = deferredConsumer && numBufferProducers == 0;
int surfaceType = outputConfiguration.getSurfaceType();
bool validSurfaceType = ((surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) ||
(surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_TEXTURE));
if (deferredConsumer && !validSurfaceType) {
ALOGE("%s: Target surface is invalid: bufferProducer = %p, surfaceType = %d.",
__FUNCTION__, bufferProducers[0].get(), surfaceType);
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Target Surface is invalid");
}
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
std::vector<sp<Surface>> surfaces;
std::vector<sp<IBinder>> binders;
status_t err;
// Create stream for deferred surface case.
if (deferredConsumerOnly) {
return createDeferredSurfaceStreamLocked(outputConfiguration, isShared, newStreamId);
}
OutputStreamInfo streamInfo;
bool isStreamInfoValid = false;
for (auto& bufferProducer : bufferProducers) {
// Don't create multiple streams for the same target surface
sp<IBinder> binder = IInterface::asBinder(bufferProducer);
ssize_t index = mStreamMap.indexOfKey(binder);
if (index != NAME_NOT_FOUND) {
String8 msg = String8::format("Camera %s: Surface already has a stream created for it "
"(ID %zd)", mCameraIdStr.string(), index);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ALREADY_EXISTS, msg.string());
}
sp<Surface> surface;
res = createSurfaceFromGbp(streamInfo, isStreamInfoValid, surface, bufferProducer);
if (!res.isOk())
return res;
if (!isStreamInfoValid) {
// Streaming sharing is only supported for IMPLEMENTATION_DEFINED
// formats.
if (isShared && streamInfo.format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
String8 msg = String8::format("Camera %s: Stream sharing is only supported for "
"IMPLEMENTATION_DEFINED format", mCameraIdStr.string());
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
isStreamInfoValid = true;
}
binders.push_back(IInterface::asBinder(bufferProducer));
surfaces.push_back(surface);
}
int streamId = camera3::CAMERA3_STREAM_ID_INVALID;
err = mDevice->createStream(surfaces, deferredConsumer, streamInfo.width,
streamInfo.height, streamInfo.format, streamInfo.dataSpace,
static_cast<camera3_stream_rotation_t>(outputConfiguration.getRotation()),
&streamId, outputConfiguration.getSurfaceSetID(), isShared);
if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error creating output stream (%d x %d, fmt %x, dataSpace %x): %s (%d)",
mCameraIdStr.string(), streamInfo.width, streamInfo.height, streamInfo.format,
streamInfo.dataSpace, strerror(-err), err);
} else {
int i = 0;
for (auto& binder : binders) {
ALOGV("%s: mStreamMap add binder %p streamId %d, surfaceId %d",
__FUNCTION__, binder.get(), streamId, i);
mStreamMap.add(binder, StreamSurfaceId(streamId, i++));
}
mStreamInfoMap[streamId] = streamInfo;
ALOGV("%s: Camera %s: Successfully created a new stream ID %d for output surface"
" (%d x %d) with format 0x%x.",
__FUNCTION__, mCameraIdStr.string(), streamId, streamInfo.width,
streamInfo.height, streamInfo.format);
// Set transform flags to ensure preview to be rotated correctly.
res = setStreamTransformLocked(streamId);
*newStreamId = streamId;
}
return res;
}
binder::Status CameraDeviceClient::createDeferredSurfaceStreamLocked(
const hardware::camera2::params::OutputConfiguration &outputConfiguration,
bool isShared,
/*out*/
int* newStreamId) {
int width, height, format, surfaceType;
uint64_t consumerUsage;
android_dataspace dataSpace;
status_t err;
binder::Status res;
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
// Infer the surface info for deferred surface stream creation.
width = outputConfiguration.getWidth();
height = outputConfiguration.getHeight();
surfaceType = outputConfiguration.getSurfaceType();
format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
dataSpace = android_dataspace_t::HAL_DATASPACE_UNKNOWN;
// Hardcode consumer usage flags: SurfaceView--0x900, SurfaceTexture--0x100.
consumerUsage = GraphicBuffer::USAGE_HW_TEXTURE;
if (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) {
consumerUsage |= GraphicBuffer::USAGE_HW_COMPOSER;
}
int streamId = camera3::CAMERA3_STREAM_ID_INVALID;
std::vector<sp<Surface>> noSurface;
err = mDevice->createStream(noSurface, /*hasDeferredConsumer*/true, width,
height, format, dataSpace,
static_cast<camera3_stream_rotation_t>(outputConfiguration.getRotation()),
&streamId, outputConfiguration.getSurfaceSetID(), isShared, consumerUsage);
if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error creating output stream (%d x %d, fmt %x, dataSpace %x): %s (%d)",
mCameraIdStr.string(), width, height, format, dataSpace, strerror(-err), err);
} else {
// Can not add streamId to mStreamMap here, as the surface is deferred. Add it to
// a separate list to track. Once the deferred surface is set, this id will be
// relocated to mStreamMap.
mDeferredStreams.push_back(streamId);
mStreamInfoMap.emplace(std::piecewise_construct, std::forward_as_tuple(streamId),
std::forward_as_tuple(width, height, format, dataSpace, consumerUsage));
ALOGV("%s: Camera %s: Successfully created a new stream ID %d for a deferred surface"
" (%d x %d) stream with format 0x%x.",
__FUNCTION__, mCameraIdStr.string(), streamId, width, height, format);
// Set transform flags to ensure preview to be rotated correctly.
res = setStreamTransformLocked(streamId);
*newStreamId = streamId;
}
return res;
}
binder::Status CameraDeviceClient::setStreamTransformLocked(int streamId) {
int32_t transform = 0;
status_t err;
binder::Status res;
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
err = getRotationTransformLocked(&transform);
if (err != OK) {
// Error logged by getRotationTransformLocked.
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION,
"Unable to calculate rotation transform for new stream");
}
err = mDevice->setStreamTransform(streamId, transform);
if (err != OK) {
String8 msg = String8::format("Failed to set stream transform (stream id %d)",
streamId);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
return res;
}
binder::Status CameraDeviceClient::createInputStream(
int width, int height, int format,
/*out*/
int32_t* newStreamId) {
ATRACE_CALL();
ALOGV("%s (w = %d, h = %d, f = 0x%x)", __FUNCTION__, width, height, format);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
if (mInputStream.configured) {
String8 msg = String8::format("Camera %s: Already has an input stream "
"configured (ID %zd)", mCameraIdStr.string(), mInputStream.id);
ALOGE("%s: %s", __FUNCTION__, msg.string() );
return STATUS_ERROR(CameraService::ERROR_ALREADY_EXISTS, msg.string());
}
int streamId = -1;
status_t err = mDevice->createInputStream(width, height, format, &streamId);
if (err == OK) {
mInputStream.configured = true;
mInputStream.width = width;
mInputStream.height = height;
mInputStream.format = format;
mInputStream.id = streamId;
ALOGV("%s: Camera %s: Successfully created a new input stream ID %d",
__FUNCTION__, mCameraIdStr.string(), streamId);
*newStreamId = streamId;
} else {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error creating new input stream: %s (%d)", mCameraIdStr.string(),
strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::getInputSurface(/*out*/ view::Surface *inputSurface) {
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
if (inputSurface == NULL) {
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Null input surface");
}
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
sp<IGraphicBufferProducer> producer;
status_t err = mDevice->getInputBufferProducer(&producer);
if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error getting input Surface: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
} else {
inputSurface->name = String16("CameraInput");
inputSurface->graphicBufferProducer = producer;
}
return res;
}
bool CameraDeviceClient::isPublicFormat(int32_t format)
{
switch(format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_888:
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_YV12:
case HAL_PIXEL_FORMAT_Y8:
case HAL_PIXEL_FORMAT_Y16:
case HAL_PIXEL_FORMAT_RAW16:
case HAL_PIXEL_FORMAT_RAW10:
case HAL_PIXEL_FORMAT_RAW12:
case HAL_PIXEL_FORMAT_RAW_OPAQUE:
case HAL_PIXEL_FORMAT_BLOB:
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
case HAL_PIXEL_FORMAT_YCbCr_420_888:
case HAL_PIXEL_FORMAT_YCbCr_422_888:
case HAL_PIXEL_FORMAT_YCbCr_444_888:
case HAL_PIXEL_FORMAT_FLEX_RGB_888:
case HAL_PIXEL_FORMAT_FLEX_RGBA_8888:
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
case HAL_PIXEL_FORMAT_YCbCr_422_I:
return true;
default:
return false;
}
}
binder::Status CameraDeviceClient::createSurfaceFromGbp(
OutputStreamInfo& streamInfo, bool isStreamInfoValid,
sp<Surface>& surface, const sp<IGraphicBufferProducer>& gbp) {
// bufferProducer must be non-null
if (gbp == nullptr) {
String8 msg = String8::format("Camera %s: Surface is NULL", mCameraIdStr.string());
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
// HACK b/10949105
// Query consumer usage bits to set async operation mode for
// GLConsumer using controlledByApp parameter.
bool useAsync = false;
uint64_t consumerUsage = 0;
status_t err;
if ((err = gbp->getConsumerUsage(&consumerUsage)) != OK) {
String8 msg = String8::format("Camera %s: Failed to query Surface consumer usage: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
if (consumerUsage & GraphicBuffer::USAGE_HW_TEXTURE) {
ALOGW("%s: Camera %s with consumer usage flag: %" PRIu64 ": Forcing asynchronous mode for stream",
__FUNCTION__, mCameraIdStr.string(), consumerUsage);
useAsync = true;
}
uint64_t disallowedFlags = GraphicBuffer::USAGE_HW_VIDEO_ENCODER |
GRALLOC_USAGE_RENDERSCRIPT;
uint64_t allowedFlags = GraphicBuffer::USAGE_SW_READ_MASK |
GraphicBuffer::USAGE_HW_TEXTURE |
GraphicBuffer::USAGE_HW_COMPOSER;
bool flexibleConsumer = (consumerUsage & disallowedFlags) == 0 &&
(consumerUsage & allowedFlags) != 0;
surface = new Surface(gbp, useAsync);
ANativeWindow *anw = surface.get();
int width, height, format;
android_dataspace dataSpace;
if ((err = anw->query(anw, NATIVE_WINDOW_WIDTH, &width)) != OK) {
String8 msg = String8::format("Camera %s: Failed to query Surface width: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
if ((err = anw->query(anw, NATIVE_WINDOW_HEIGHT, &height)) != OK) {
String8 msg = String8::format("Camera %s: Failed to query Surface height: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
if ((err = anw->query(anw, NATIVE_WINDOW_FORMAT, &format)) != OK) {
String8 msg = String8::format("Camera %s: Failed to query Surface format: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
if ((err = anw->query(anw, NATIVE_WINDOW_DEFAULT_DATASPACE,
reinterpret_cast<int*>(&dataSpace))) != OK) {
String8 msg = String8::format("Camera %s: Failed to query Surface dataspace: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
// FIXME: remove this override since the default format should be
// IMPLEMENTATION_DEFINED. b/9487482
if (format >= HAL_PIXEL_FORMAT_RGBA_8888 &&
format <= HAL_PIXEL_FORMAT_BGRA_8888) {
ALOGW("%s: Camera %s: Overriding format %#x to IMPLEMENTATION_DEFINED",
__FUNCTION__, mCameraIdStr.string(), format);
format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
}
// Round dimensions to the nearest dimensions available for this format
if (flexibleConsumer && isPublicFormat(format) &&
!CameraDeviceClient::roundBufferDimensionNearest(width, height,
format, dataSpace, mDevice->info(), /*out*/&width, /*out*/&height)) {
String8 msg = String8::format("Camera %s: No supported stream configurations with "
"format %#x defined, failed to create output stream",
mCameraIdStr.string(), format);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (!isStreamInfoValid) {
streamInfo.width = width;
streamInfo.height = height;
streamInfo.format = format;
streamInfo.dataSpace = dataSpace;
streamInfo.consumerUsage = consumerUsage;
return binder::Status::ok();
}
if (width != streamInfo.width) {
String8 msg = String8::format("Camera %s:Surface width doesn't match: %d vs %d",
mCameraIdStr.string(), width, streamInfo.width);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (height != streamInfo.height) {
String8 msg = String8::format("Camera %s:Surface height doesn't match: %d vs %d",
mCameraIdStr.string(), height, streamInfo.height);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (format != streamInfo.format) {
String8 msg = String8::format("Camera %s:Surface format doesn't match: %d vs %d",
mCameraIdStr.string(), format, streamInfo.format);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
if (dataSpace != streamInfo.dataSpace) {
String8 msg = String8::format("Camera %s:Surface dataSpace doesn't match: %d vs %d",
mCameraIdStr.string(), dataSpace, streamInfo.dataSpace);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
//At the native side, there isn't a way to check whether 2 surfaces come from the same
//surface class type. Use usage flag to approximate the comparison.
if (consumerUsage != streamInfo.consumerUsage) {
String8 msg = String8::format(
"Camera %s:Surface usage flag doesn't match %" PRIu64 " vs %" PRIu64 "",
mCameraIdStr.string(), consumerUsage, streamInfo.consumerUsage);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
}
return binder::Status::ok();
}
bool CameraDeviceClient::roundBufferDimensionNearest(int32_t width, int32_t height,
int32_t format, android_dataspace dataSpace, const CameraMetadata& info,
/*out*/int32_t* outWidth, /*out*/int32_t* outHeight) {
camera_metadata_ro_entry streamConfigs =
(dataSpace == HAL_DATASPACE_DEPTH) ?
info.find(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS) :
info.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
int32_t bestWidth = -1;
int32_t bestHeight = -1;
// Iterate through listed stream configurations and find the one with the smallest euclidean
// distance from the given dimensions for the given format.
for (size_t i = 0; i < streamConfigs.count; i += 4) {
int32_t fmt = streamConfigs.data.i32[i];
int32_t w = streamConfigs.data.i32[i + 1];
int32_t h = streamConfigs.data.i32[i + 2];
// Ignore input/output type for now
if (fmt == format) {
if (w == width && h == height) {
bestWidth = width;
bestHeight = height;
break;
} else if (w <= ROUNDING_WIDTH_CAP && (bestWidth == -1 ||
CameraDeviceClient::euclidDistSquare(w, h, width, height) <
CameraDeviceClient::euclidDistSquare(bestWidth, bestHeight, width, height))) {
bestWidth = w;
bestHeight = h;
}
}
}
if (bestWidth == -1) {
// Return false if no configurations for this format were listed
return false;
}
// Set the outputs to the closet width/height
if (outWidth != NULL) {
*outWidth = bestWidth;
}
if (outHeight != NULL) {
*outHeight = bestHeight;
}
// Return true if at least one configuration for this format was listed
return true;
}
int64_t CameraDeviceClient::euclidDistSquare(int32_t x0, int32_t y0, int32_t x1, int32_t y1) {
int64_t d0 = x0 - x1;
int64_t d1 = y0 - y1;
return d0 * d0 + d1 * d1;
}
// Create a request object from a template.
binder::Status CameraDeviceClient::createDefaultRequest(int templateId,
/*out*/
hardware::camera2::impl::CameraMetadataNative* request)
{
ATRACE_CALL();
ALOGV("%s (templateId = 0x%x)", __FUNCTION__, templateId);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
CameraMetadata metadata;
status_t err;
if ( (err = mDevice->createDefaultRequest(templateId, &metadata) ) == OK &&
request != NULL) {
request->swap(metadata);
} else if (err == BAD_VALUE) {
res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Camera %s: Template ID %d is invalid or not supported: %s (%d)",
mCameraIdStr.string(), templateId, strerror(-err), err);
} else {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error creating default request for template %d: %s (%d)",
mCameraIdStr.string(), templateId, strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::getCameraInfo(
/*out*/
hardware::camera2::impl::CameraMetadataNative* info)
{
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
if (info != NULL) {
*info = mDevice->info(); // static camera metadata
// TODO: merge with device-specific camera metadata
}
return res;
}
binder::Status CameraDeviceClient::waitUntilIdle()
{
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
// FIXME: Also need check repeating burst.
Mutex::Autolock idLock(mStreamingRequestIdLock);
if (mStreamingRequestId != REQUEST_ID_NONE) {
String8 msg = String8::format(
"Camera %s: Try to waitUntilIdle when there are active streaming requests",
mCameraIdStr.string());
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
}
status_t err = mDevice->waitUntilDrained();
if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error waiting to drain: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
}
ALOGV("%s Done", __FUNCTION__);
return res;
}
binder::Status CameraDeviceClient::flush(
/*out*/
int64_t* lastFrameNumber) {
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
Mutex::Autolock idLock(mStreamingRequestIdLock);
mStreamingRequestId = REQUEST_ID_NONE;
status_t err = mDevice->flush(lastFrameNumber);
if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error flushing device: %s (%d)", mCameraIdStr.string(), strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::prepare(int streamId) {
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
// Guard against trying to prepare non-created streams
ssize_t index = NAME_NOT_FOUND;
for (size_t i = 0; i < mStreamMap.size(); ++i) {
if (streamId == mStreamMap.valueAt(i).streamId()) {
index = i;
break;
}
}
if (index == NAME_NOT_FOUND) {
String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no stream "
"with that ID exists", mCameraIdStr.string(), streamId);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
// Also returns BAD_VALUE if stream ID was not valid, or stream already
// has been used
status_t err = mDevice->prepare(streamId);
if (err == BAD_VALUE) {
res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Camera %s: Stream %d has already been used, and cannot be prepared",
mCameraIdStr.string(), streamId);
} else if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error preparing stream %d: %s (%d)", mCameraIdStr.string(), streamId,
strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::prepare2(int maxCount, int streamId) {
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
// Guard against trying to prepare non-created streams
ssize_t index = NAME_NOT_FOUND;
for (size_t i = 0; i < mStreamMap.size(); ++i) {
if (streamId == mStreamMap.valueAt(i).streamId()) {
index = i;
break;
}
}
if (index == NAME_NOT_FOUND) {
String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no stream "
"with that ID exists", mCameraIdStr.string(), streamId);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (maxCount <= 0) {
String8 msg = String8::format("Camera %s: maxCount (%d) must be greater than 0",
mCameraIdStr.string(), maxCount);
ALOGE("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
// Also returns BAD_VALUE if stream ID was not valid, or stream already
// has been used
status_t err = mDevice->prepare(maxCount, streamId);
if (err == BAD_VALUE) {
res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Camera %s: Stream %d has already been used, and cannot be prepared",
mCameraIdStr.string(), streamId);
} else if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error preparing stream %d: %s (%d)", mCameraIdStr.string(), streamId,
strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::tearDown(int streamId) {
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
// Guard against trying to prepare non-created streams
ssize_t index = NAME_NOT_FOUND;
for (size_t i = 0; i < mStreamMap.size(); ++i) {
if (streamId == mStreamMap.valueAt(i).streamId()) {
index = i;
break;
}
}
if (index == NAME_NOT_FOUND) {
String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no stream "
"with that ID exists", mCameraIdStr.string(), streamId);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
// Also returns BAD_VALUE if stream ID was not valid or if the stream is in
// use
status_t err = mDevice->tearDown(streamId);
if (err == BAD_VALUE) {
res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Camera %s: Stream %d is still in use, cannot be torn down",
mCameraIdStr.string(), streamId);
} else if (err != OK) {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error tearing down stream %d: %s (%d)", mCameraIdStr.string(), streamId,
strerror(-err), err);
}
return res;
}
binder::Status CameraDeviceClient::finalizeOutputConfigurations(int32_t streamId,
const hardware::camera2::params::OutputConfiguration &outputConfiguration) {
ATRACE_CALL();
binder::Status res;
if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
Mutex::Autolock icl(mBinderSerializationLock);
const std::vector<sp<IGraphicBufferProducer> >& bufferProducers =
outputConfiguration.getGraphicBufferProducers();
if (bufferProducers.size() == 0) {
ALOGE("%s: bufferProducers must not be empty", __FUNCTION__);
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Target Surface is invalid");
}
// streamId should be in mStreamMap if this stream already has a surface attached
// to it. Otherwise, it should be in mDeferredStreams.
bool streamIdConfigured = false;
ssize_t deferredStreamIndex = NAME_NOT_FOUND;
for (size_t i = 0; i < mStreamMap.size(); i++) {
if (mStreamMap.valueAt(i).streamId() == streamId) {
streamIdConfigured = true;
break;
}
}
for (size_t i = 0; i < mDeferredStreams.size(); i++) {
if (streamId == mDeferredStreams[i]) {
deferredStreamIndex = i;
break;
}
}
if (deferredStreamIndex == NAME_NOT_FOUND && !streamIdConfigured) {
String8 msg = String8::format("Camera %s: deferred surface is set to a unknown stream"
"(ID %d)", mCameraIdStr.string(), streamId);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (mStreamInfoMap[streamId].finalized) {
String8 msg = String8::format("Camera %s: finalizeOutputConfigurations has been called"
" on stream ID %d", mCameraIdStr.string(), streamId);
ALOGW("%s: %s", __FUNCTION__, msg.string());
return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
}
if (!mDevice.get()) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
}
std::vector<sp<Surface>> consumerSurfaces;
std::vector<size_t> consumerSurfaceIds;
size_t surfaceId = 0;
for (auto& bufferProducer : bufferProducers) {
// Don't create multiple streams for the same target surface
ssize_t index = mStreamMap.indexOfKey(IInterface::asBinder(bufferProducer));
if (index != NAME_NOT_FOUND) {
ALOGV("Camera %s: Surface already has a stream created "
" for it (ID %zd)", mCameraIdStr.string(), index);
surfaceId++;
continue;
}
sp<Surface> surface;
res = createSurfaceFromGbp(mStreamInfoMap[streamId], true /*isStreamInfoValid*/,
surface, bufferProducer);
if (!res.isOk())
return res;
consumerSurfaces.push_back(surface);
consumerSurfaceIds.push_back(surfaceId);
surfaceId++;
}
// Gracefully handle case where finalizeOutputConfigurations is called
// without any new surface.
if (consumerSurfaces.size() == 0) {
mStreamInfoMap[streamId].finalized = true;
return res;
}
// Finish the deferred stream configuration with the surface.
status_t err;
err = mDevice->setConsumerSurfaces(streamId, consumerSurfaces);
if (err == OK) {
for (size_t i = 0; i < consumerSurfaces.size(); i++) {
sp<IBinder> binder = IInterface::asBinder(
consumerSurfaces[i]->getIGraphicBufferProducer());
ALOGV("%s: mStreamMap add binder %p streamId %d, surfaceId %zu", __FUNCTION__,
binder.get(), streamId, consumerSurfaceIds[i]);
mStreamMap.add(binder, StreamSurfaceId(streamId, consumerSurfaceIds[i]));
}
if (deferredStreamIndex != NAME_NOT_FOUND) {
mDeferredStreams.removeItemsAt(deferredStreamIndex);
}
mStreamInfoMap[streamId].finalized = true;
} else if (err == NO_INIT) {
res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
"Camera %s: Deferred surface is invalid: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
} else {
res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
"Camera %s: Error setting output stream deferred surface: %s (%d)",
mCameraIdStr.string(), strerror(-err), err);
}
return res;
}
status_t CameraDeviceClient::dump(int fd, const Vector<String16>& args) {
return BasicClient::dump(fd, args);
}
status_t CameraDeviceClient::dumpClient(int fd, const Vector<String16>& args) {
dprintf(fd, " CameraDeviceClient[%s] (%p) dump:\n",
mCameraIdStr.string(),
(getRemoteCallback() != NULL ?
IInterface::asBinder(getRemoteCallback()).get() : NULL) );
dprintf(fd, " Current client UID %u\n", mClientUid);
dprintf(fd, " State:\n");
dprintf(fd, " Request ID counter: %d\n", mRequestIdCounter);
if (mInputStream.configured) {
dprintf(fd, " Current input stream ID: %d\n", mInputStream.id);
} else {
dprintf(fd, " No input stream configured.\n");
}
if (!mStreamMap.isEmpty()) {
dprintf(fd, " Current output stream/surface IDs:\n");
for (size_t i = 0; i < mStreamMap.size(); i++) {
dprintf(fd, " Stream %d Surface %d\n",
mStreamMap.valueAt(i).streamId(),
mStreamMap.valueAt(i).surfaceId());
}
} else if (!mDeferredStreams.isEmpty()) {
dprintf(fd, " Current deferred surface output stream IDs:\n");
for (auto& streamId : mDeferredStreams) {
dprintf(fd, " Stream %d\n", streamId);
}
} else {
dprintf(fd, " No output streams configured.\n");
}
// TODO: print dynamic/request section from most recent requests
mFrameProcessor->dump(fd, args);
return dumpDevice(fd, args);
}
void CameraDeviceClient::notifyError(int32_t errorCode,
const CaptureResultExtras& resultExtras) {
// Thread safe. Don't bother locking.
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
if (remoteCb != 0) {
remoteCb->onDeviceError(errorCode, resultExtras);
}
}
void CameraDeviceClient::notifyRepeatingRequestError(long lastFrameNumber) {
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
if (remoteCb != 0) {
remoteCb->onRepeatingRequestError(lastFrameNumber, mStreamingRequestId);
}
Mutex::Autolock idLock(mStreamingRequestIdLock);
mStreamingRequestId = REQUEST_ID_NONE;
}
void CameraDeviceClient::notifyIdle() {
// Thread safe. Don't bother locking.
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
if (remoteCb != 0) {
remoteCb->onDeviceIdle();
}
Camera2ClientBase::notifyIdle();
}
void CameraDeviceClient::notifyShutter(const CaptureResultExtras& resultExtras,
nsecs_t timestamp) {
// Thread safe. Don't bother locking.
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
if (remoteCb != 0) {
remoteCb->onCaptureStarted(resultExtras, timestamp);
}
Camera2ClientBase::notifyShutter(resultExtras, timestamp);
}
void CameraDeviceClient::notifyPrepared(int streamId) {
// Thread safe. Don't bother locking.
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
if (remoteCb != 0) {
remoteCb->onPrepared(streamId);
}
}
void CameraDeviceClient::notifyRequestQueueEmpty() {
// Thread safe. Don't bother locking.
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
if (remoteCb != 0) {
remoteCb->onRequestQueueEmpty();
}
}
void CameraDeviceClient::detachDevice() {
if (mDevice == 0) return;
ALOGV("Camera %s: Stopping processors", mCameraIdStr.string());
mFrameProcessor->removeListener(FRAME_PROCESSOR_LISTENER_MIN_ID,
FRAME_PROCESSOR_LISTENER_MAX_ID,
/*listener*/this);
mFrameProcessor->requestExit();
ALOGV("Camera %s: Waiting for threads", mCameraIdStr.string());
mFrameProcessor->join();
ALOGV("Camera %s: Disconnecting device", mCameraIdStr.string());
// WORKAROUND: HAL refuses to disconnect while there's streams in flight
{
mDevice->clearStreamingRequest();
status_t code;
if ((code = mDevice->waitUntilDrained()) != OK) {
ALOGE("%s: waitUntilDrained failed with code 0x%x", __FUNCTION__,
code);
}
}
Camera2ClientBase::detachDevice();
}
/** Device-related methods */
void CameraDeviceClient::onResultAvailable(const CaptureResult& result) {
ATRACE_CALL();
ALOGV("%s", __FUNCTION__);
// Thread-safe. No lock necessary.
sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = mRemoteCallback;
if (remoteCb != NULL) {
remoteCb->onResultReceived(result.mMetadata, result.mResultExtras);
}
}
binder::Status CameraDeviceClient::checkPidStatus(const char* checkLocation) {
if (mDisconnected) {
return STATUS_ERROR(CameraService::ERROR_DISCONNECTED,
"The camera device has been disconnected");
}
status_t res = checkPid(checkLocation);
return (res == OK) ? binder::Status::ok() :
STATUS_ERROR(CameraService::ERROR_PERMISSION_DENIED,
"Attempt to use camera from a different process than original client");
}
// TODO: move to Camera2ClientBase
bool CameraDeviceClient::enforceRequestPermissions(CameraMetadata& metadata) {
const int pid = IPCThreadState::self()->getCallingPid();
const int selfPid = getpid();
camera_metadata_entry_t entry;
/**
* Mixin default important security values
* - android.led.transmit = defaulted ON
*/
CameraMetadata staticInfo = mDevice->info();
entry = staticInfo.find(ANDROID_LED_AVAILABLE_LEDS);
for(size_t i = 0; i < entry.count; ++i) {
uint8_t led = entry.data.u8[i];
switch(led) {
case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: {
uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON;
if (!metadata.exists(ANDROID_LED_TRANSMIT)) {
metadata.update(ANDROID_LED_TRANSMIT,
&transmitDefault, 1);
}
break;
}
}
}
// We can do anything!
if (pid == selfPid) {
return true;
}
/**
* Permission check special fields in the request
* - android.led.transmit = android.permission.CAMERA_DISABLE_TRANSMIT
*/
entry = metadata.find(ANDROID_LED_TRANSMIT);
if (entry.count > 0 && entry.data.u8[0] != ANDROID_LED_TRANSMIT_ON) {
String16 permissionString =
String16("android.permission.CAMERA_DISABLE_TRANSMIT_LED");
if (!checkCallingPermission(permissionString)) {
const int uid = IPCThreadState::self()->getCallingUid();
ALOGE("Permission Denial: "
"can't disable transmit LED pid=%d, uid=%d", pid, uid);
return false;
}
}
return true;
}
status_t CameraDeviceClient::getRotationTransformLocked(int32_t* transform) {
ALOGV("%s: begin", __FUNCTION__);
const CameraMetadata& staticInfo = mDevice->info();
return CameraUtils::getRotationTransform(staticInfo, transform);
}
} // namespace android