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85 lines
3.7 KiB
85 lines
3.7 KiB
4 months ago
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/*
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* Copyright 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.automotive.sv@1.0;
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import ISurroundViewSession;
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/**
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* Interface representing a surround view 2d session.
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*
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* Surround view 2d provides a top/bird's eye view of the car and its surroundings.
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*/
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interface ISurroundView2dSession extends ISurroundViewSession {
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/**
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* Gets mapping information for 2d surround view.
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*
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* Mapping information maps the output frame of 2d surround view to actual dimensions
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* covered on the ground. Mapping information is fixed for a car and is based upon its camera
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* coverage. Mapping information can be used for doing overlays of objects in 3d space
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* onto the surround view 2d output frame.
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*
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* @param sv2dConfig Configuration to set.
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* @return sv2dMappingInfo mapping information of the 2d surround view.
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*/
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get2dMappingInfo() generates (Sv2dMappingInfo sv2dMappingInfo);
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/**
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* Sets the configuration of 2d surround view.
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*
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* Configuration is used for supported different target use-cases of the surround view eg.
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* fullscreen or preview. Default configuration is FULLSCREEN.
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* A set config call can be performed at any time (before or after startStream) of the session.
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* Once config change is complete, a CONFIG_CHANGED event is sent, after which
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* all frames received will be of the updated config.
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*
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* @param sv2dConfig Configuration to set.
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* @return svResult Returns OK if successful, appropriate error result otherwise.
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*/
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set2dConfig(Sv2dConfig sv2dConfig) generates (SvResult svResult);
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/**
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* Gets the current configuration of the 2d surround view.
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*
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* Configuration is used for supported different target use-cases of the surround view eg.
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* fullscreen view or preview. Use setConfig call to set a configuration.
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*
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* @return sv2dConfig the active current configuration of the 2d session.
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*/
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get2dConfig() generates (Sv2dConfig sv2dConfig);
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/**
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* Projects points on camera image to surround view 2d image.
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*
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* Useful for mapping points detected on individual camera frames onto the surround view 2d
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* output frame.
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*
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* @param cameraPoints List of camera pixel points to be projected in range including (0, 0)
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* and (width - 1, height -1) of camera frame. If point is outside camera
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frame INVALID_ARG error is returned.
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* @param cameraId Id of the EvsCamera to use for projecting points. Id must be one of the
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* cameras as returned by getCameraIds() else INVALID_ARG error is returned
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* @return points2d Returns a list of 2d pixel points projecting into surround view 2d
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* frame in the same order as cameraPoints. Point projected maybe outside
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* surround view frame i.e. outside (0, 0) and
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* (sv_width - 1, sv_height - 1). Points that do not project to ground
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* plane are set with inValid true.
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*/
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projectCameraPoints(vec<Point2dInt> cameraPoints, string cameraId) generates (
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vec<Point2dFloat> points2d);
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};
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