| /* |
| * Copyright 2020 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. |
| */ |
| |
| package androidx.camera.camera2.pipe.impl |
| |
| import android.view.Surface |
| import androidx.camera.camera2.pipe.StreamId |
| import javax.inject.Inject |
| |
| /** |
| * This object keeps track of which surfaces have been configured for each stream. In addition, |
| * it will keep track of which surfaces have changed or replaced so that the CaptureSession can be |
| * reconfigured if the configured surfaces change. |
| */ |
| @CameraGraphScope |
| class StreamMap @Inject constructor() { |
| private val activeSurfaceMap: MutableMap<StreamId, Surface> = mutableMapOf() |
| |
| operator fun set(stream: StreamId, surface: Surface?) { |
| if (surface == null) { |
| // TODO: Tell the graph processor that it should resubmit the repeating request or |
| // reconfigure the camera2 captureSession |
| activeSurfaceMap.remove(stream) |
| } else { |
| activeSurfaceMap[stream] = surface |
| } |
| } |
| |
| operator fun get(stream: StreamId): Surface? = activeSurfaceMap[stream] |
| } |