Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | package android.hardware.camera2.params; |
| 19 | |
| 20 | import android.hardware.camera2.CameraDevice; |
Yin-Chia Yeh | 981e056 | 2015-03-12 13:39:26 -0700 | [diff] [blame^] | 21 | import android.util.Log; |
Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 22 | import android.view.Surface; |
Yin-Chia Yeh | 981e056 | 2015-03-12 13:39:26 -0700 | [diff] [blame^] | 23 | import android.os.Parcel; |
| 24 | import android.os.Parcelable; |
Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 25 | |
| 26 | import static com.android.internal.util.Preconditions.*; |
| 27 | |
| 28 | /** |
Yin-Chia Yeh | 981e056 | 2015-03-12 13:39:26 -0700 | [diff] [blame^] | 29 | * A class for describing camera output, which contains a {@link Surface} and its specific |
Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 30 | * configuration for creating capture session. |
| 31 | * |
| 32 | * @see CameraDevice#createCaptureSession |
| 33 | * |
| 34 | * @hide |
| 35 | */ |
Yin-Chia Yeh | 981e056 | 2015-03-12 13:39:26 -0700 | [diff] [blame^] | 36 | public final class OutputConfiguration implements Parcelable { |
Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 37 | |
| 38 | /** |
| 39 | * Rotation constant: 0 degree rotation (no rotation) |
| 40 | */ |
| 41 | public static final int ROTATION_0 = 0; |
| 42 | |
| 43 | /** |
| 44 | * Rotation constant: 90 degree counterclockwise rotation. |
| 45 | */ |
| 46 | public static final int ROTATION_90 = 1; |
| 47 | |
| 48 | /** |
| 49 | * Rotation constant: 180 degree counterclockwise rotation. |
| 50 | */ |
| 51 | public static final int ROTATION_180 = 2; |
| 52 | |
| 53 | /** |
| 54 | * Rotation constant: 270 degree counterclockwise rotation. |
| 55 | */ |
| 56 | public static final int ROTATION_270 = 3; |
| 57 | |
| 58 | /** |
| 59 | * Create a new immutable SurfaceConfiguration instance. |
| 60 | * |
| 61 | * @param surface |
| 62 | * A Surface for camera to output to. |
| 63 | * |
| 64 | * <p>This constructor creates a default configuration</p> |
| 65 | * |
| 66 | */ |
| 67 | public OutputConfiguration(Surface surface) { |
| 68 | checkNotNull(surface, "Surface must not be null"); |
| 69 | mSurface = surface; |
| 70 | mRotation = ROTATION_0; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Create a new immutable SurfaceConfiguration instance. |
| 75 | * |
| 76 | * <p>This constructor takes an argument for desired camera rotation</p> |
| 77 | * |
| 78 | * @param surface |
| 79 | * A Surface for camera to output to. |
| 80 | * @param rotation |
| 81 | * The desired rotation to be applied on camera output. Value must be one of |
| 82 | * ROTATION_[0, 90, 180, 270]. Note that when the rotation is 90 or 270 degree, |
| 83 | * application should make sure corresponding surface size has width and height |
| 84 | * transposed corresponding to the width and height without rotation. For example, |
| 85 | * if application needs camera to capture 1280x720 picture and rotate it by 90 degree, |
| 86 | * application should set rotation to {@code ROTATION_90} and make sure the |
| 87 | * corresponding Surface size is 720x1280. Note that {@link CameraDevice} might |
| 88 | * throw {@code IllegalArgumentException} if device cannot perform such rotation. |
| 89 | * |
| 90 | */ |
| 91 | public OutputConfiguration(Surface surface, int rotation) { |
| 92 | checkNotNull(surface, "Surface must not be null"); |
| 93 | checkArgumentInRange(rotation, ROTATION_0, ROTATION_270, "Rotation constant"); |
| 94 | mSurface = surface; |
| 95 | mRotation = rotation; |
| 96 | } |
| 97 | |
| 98 | /** |
Yin-Chia Yeh | 981e056 | 2015-03-12 13:39:26 -0700 | [diff] [blame^] | 99 | * Create an OutputConfiguration from Parcel. |
| 100 | */ |
| 101 | private OutputConfiguration(Parcel source) { |
| 102 | int rotation = source.readInt(); |
| 103 | Surface surface = Surface.CREATOR.createFromParcel(source); |
| 104 | checkNotNull(surface, "Surface must not be null"); |
| 105 | checkArgumentInRange(rotation, ROTATION_0, ROTATION_270, "Rotation constant"); |
| 106 | mSurface = surface; |
| 107 | mRotation = rotation; |
| 108 | } |
| 109 | |
| 110 | /** |
Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 111 | * Get the {@link Surface} associated with this {@link OutputConfiguration}. |
| 112 | * |
| 113 | * @return the {@link Surface} associated with this {@link OutputConfiguration}. |
| 114 | */ |
| 115 | public Surface getSurface() { |
| 116 | return mSurface; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Get the rotation associated with this {@link OutputConfiguration}. |
| 121 | * |
| 122 | * @return the rotation associated with this {@link OutputConfiguration}. |
| 123 | * Value will be one of ROTATION_[0, 90, 180, 270] |
| 124 | */ |
| 125 | public int getRotation() { |
| 126 | return mRotation; |
| 127 | } |
| 128 | |
Yin-Chia Yeh | 981e056 | 2015-03-12 13:39:26 -0700 | [diff] [blame^] | 129 | public static final Parcelable.Creator<OutputConfiguration> CREATOR = |
| 130 | new Parcelable.Creator<OutputConfiguration>() { |
| 131 | @Override |
| 132 | public OutputConfiguration createFromParcel(Parcel source) { |
| 133 | try { |
| 134 | OutputConfiguration outputConfiguration = new OutputConfiguration(source); |
| 135 | return outputConfiguration; |
| 136 | } catch (Exception e) { |
| 137 | Log.e(TAG, "Exception creating OutputConfiguration from parcel", e); |
| 138 | return null; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public OutputConfiguration[] newArray(int size) { |
| 144 | return new OutputConfiguration[size]; |
| 145 | } |
| 146 | }; |
| 147 | |
| 148 | @Override |
| 149 | public int describeContents() { |
| 150 | return 0; |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public void writeToParcel(Parcel dest, int flags) { |
| 155 | if (dest == null) { |
| 156 | throw new IllegalArgumentException("dest must not be null"); |
| 157 | } |
| 158 | dest.writeInt(mRotation); |
| 159 | mSurface.writeToParcel(dest, flags); |
| 160 | } |
| 161 | |
| 162 | private static final String TAG = "OutputConfiguration"; |
Yin-Chia Yeh | 35286a2 | 2015-03-09 16:53:14 -0700 | [diff] [blame] | 163 | private final Surface mSurface; |
| 164 | private final int mRotation; |
| 165 | } |