// get the buffer producer of the input stream
virtual status_t getInputBufferProducer(
sp<IGraphicBufferProducer> *producer) {
if (producer == NULL) {
return BAD_VALUE;
}
Parcel data, reply;
data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
remote()->transact(GET_INPUT_SURFACE, data, &reply);
reply.readExceptionCode();
status_t result = reply.readInt32() ;
if (result != OK) {
return result;
}
sp<IGraphicBufferProducer> bp = NULL;
if (reply.readInt32() != 0) {
String16 name = readMaybeEmptyString16(reply);
bp = interface_cast<IGraphicBufferProducer>(
reply.readStrongBinder());
}
*producer = bp;
return *producer == NULL ? INVALID_OPERATION : OK;
}
status_t BnCameraDeviceUser::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case DISCONNECT: {
ALOGV("DISCONNECT");
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
disconnect();
reply->writeNoException();
return NO_ERROR;
} break;
case SUBMIT_REQUEST: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
// arg0 = request
sp<CaptureRequest> request;
if (data.readInt32() != 0) {
request = new CaptureRequest();
request->readFromParcel(const_cast<Parcel*>(&data));
}
// arg1 = streaming (bool)
bool repeating = data.readInt32();
// return code: requestId (int32)
reply->writeNoException();
int64_t lastFrameNumber = -1;
reply->writeInt32(submitRequest(request, repeating, &lastFrameNumber));
reply->writeInt32(1);
reply->writeInt64(lastFrameNumber);
return NO_ERROR;
} break;
case SUBMIT_REQUEST_LIST: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
List<sp<CaptureRequest> > requestList;
int requestListSize = data.readInt32();
for (int i = 0; i < requestListSize; i++) {
if (data.readInt32() != 0) {
sp<CaptureRequest> request = new CaptureRequest();
if (request->readFromParcel(const_cast<Parcel*>(&data)) != OK) {
return BAD_VALUE;
}
requestList.push_back(request);
} else {
sp<CaptureRequest> request = 0;
requestList.push_back(request);
ALOGE("A request is missing. Sending in null request.");
}
}
bool repeating = data.readInt32();
reply->writeNoException();
int64_t lastFrameNumber = -1;
reply->writeInt32(submitRequestList(requestList, repeating, &lastFrameNumber));
reply->writeInt32(1);
reply->writeInt64(lastFrameNumber);
return NO_ERROR;
} break;
case CANCEL_REQUEST: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
int requestId = data.readInt32();
reply->writeNoException();
int64_t lastFrameNumber = -1;
reply->writeInt32(cancelRequest(requestId, &lastFrameNumber));
reply->writeInt32(1);
reply->writeInt64(lastFrameNumber);
return NO_ERROR;
} break;
case DELETE_STREAM: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
int streamId = data.readInt32();
reply->writeNoException();
reply->writeInt32(deleteStream(streamId));
return NO_ERROR;
} break;
case CREATE_STREAM: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
int width, height, format;
width = data.readInt32();
ALOGV("%s: CREATE_STREAM: width = %d", __FUNCTION__, width);
height = data.readInt32();
ALOGV("%s: CREATE_STREAM: height = %d", __FUNCTION__, height);
format = data.readInt32();
ALOGV("%s: CREATE_STREAM: format = %d", __FUNCTION__, format);
sp<IGraphicBufferProducer> bp;
if (data.readInt32() != 0) {
String16 name = readMaybeEmptyString16(data);
bp = interface_cast<IGraphicBufferProducer>(
data.readStrongBinder());
ALOGV("%s: CREATE_STREAM: bp = %p, name = %s", __FUNCTION__,
bp.get(), String8(name).string());
} else {
ALOGV("%s: CREATE_STREAM: bp = unset, name = unset",
__FUNCTION__);
}
status_t ret;
ret = createStream(width, height, format, bp);
reply->writeNoException();
ALOGV("%s: CREATE_STREAM: write noException", __FUNCTION__);
reply->writeInt32(ret);
ALOGV("%s: CREATE_STREAM: write ret = %d", __FUNCTION__, ret);
return NO_ERROR;
} break;
case CREATE_DEFAULT_REQUEST: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
int templateId = data.readInt32();
CameraMetadata request;
status_t ret;
ret = createDefaultRequest(templateId, &request);
reply->writeNoException();
reply->writeInt32(ret);
// out-variables are after exception and return value
reply->writeInt32(1); // to mark presence of metadata object
request.writeToParcel(const_cast<Parcel*>(reply));
return NO_ERROR;
} break;
case GET_CAMERA_INFO: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
CameraMetadata info;
status_t ret;
ret = getCameraInfo(&info);
reply->writeNoException();
reply->writeInt32(ret);
// out-variables are after exception and return value
reply->writeInt32(1); // to mark presence of metadata object
info.writeToParcel(reply);
return NO_ERROR;
} break;
case WAIT_UNTIL_IDLE: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
reply->writeNoException();
reply->writeInt32(waitUntilIdle());
return NO_ERROR;
} break;
case FLUSH: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
reply->writeNoException();
int64_t lastFrameNumber = -1;
reply->writeInt32(flush(&lastFrameNumber));
reply->writeInt32(1);
reply->writeInt64(lastFrameNumber);
return NO_ERROR;
}
case BEGIN_CONFIGURE: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
reply->writeNoException();
reply->writeInt32(beginConfigure());
return NO_ERROR;
} break;
case END_CONFIGURE: {
CHECK_INTERFACE(ICameraDeviceUser, data, reply);
reply->writeNoException();
reply->writeInt32(endConfigure());
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
