1 /* 2 * Copyright (C) 2014 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 package android.media.tv; 18 19 import android.annotation.SystemApi; 20 import android.media.AudioManager; 21 import android.os.Parcel; 22 import android.os.Parcelable; 23 import android.util.Log; 24 25 /** 26 * Simple container for information about TV input hardware. 27 * Not for third-party developers. 28 * 29 * @hide 30 */ 31 @SystemApi 32 public final class TvInputHardwareInfo implements Parcelable { 33 static final String TAG = "TvInputHardwareInfo"; 34 35 // Match hardware/libhardware/include/hardware/tv_input.h 36 public static final int TV_INPUT_TYPE_OTHER_HARDWARE = 1; 37 public static final int TV_INPUT_TYPE_TUNER = 2; 38 public static final int TV_INPUT_TYPE_COMPOSITE = 3; 39 public static final int TV_INPUT_TYPE_SVIDEO = 4; 40 public static final int TV_INPUT_TYPE_SCART = 5; 41 public static final int TV_INPUT_TYPE_COMPONENT = 6; 42 public static final int TV_INPUT_TYPE_VGA = 7; 43 public static final int TV_INPUT_TYPE_DVI = 8; 44 public static final int TV_INPUT_TYPE_HDMI = 9; 45 public static final int TV_INPUT_TYPE_DISPLAY_PORT = 10; 46 47 public static final Parcelable.Creator<TvInputHardwareInfo> CREATOR = 48 new Parcelable.Creator<TvInputHardwareInfo>() { 49 @Override 50 public TvInputHardwareInfo createFromParcel(Parcel source) { 51 try { 52 TvInputHardwareInfo info = new TvInputHardwareInfo(); 53 info.readFromParcel(source); 54 return info; 55 } catch (Exception e) { 56 Log.e(TAG, "Exception creating TvInputHardwareInfo from parcel", e); 57 return null; 58 } 59 } 60 61 @Override 62 public TvInputHardwareInfo[] newArray(int size) { 63 return new TvInputHardwareInfo[size]; 64 } 65 }; 66 67 private int mDeviceId; 68 private int mType; 69 private int mAudioType; 70 private String mAudioAddress; 71 private int mHdmiPortId; 72 73 private TvInputHardwareInfo() { 74 } 75 76 public int getDeviceId() { 77 return mDeviceId; 78 } 79 80 public int getType() { 81 return mType; 82 } 83 84 public int getAudioType() { 85 return mAudioType; 86 } 87 88 public String getAudioAddress() { 89 return mAudioAddress; 90 } 91 92 public int getHdmiPortId() { 93 if (mType != TV_INPUT_TYPE_HDMI) { 94 throw new IllegalStateException(); 95 } 96 return mHdmiPortId; 97 } 98 99 @Override 100 public String toString() { 101 StringBuilder b = new StringBuilder(128); 102 b.append("TvInputHardwareInfo {id=").append(mDeviceId); 103 b.append(", type=").append(mType); 104 b.append(", audio_type=").append(mAudioType); 105 b.append(", audio_addr=").append(mAudioAddress); 106 if (mType == TV_INPUT_TYPE_HDMI) { 107 b.append(", hdmi_port=").append(mHdmiPortId); 108 } 109 b.append("}"); 110 return b.toString(); 111 } 112 113 // Parcelable 114 @Override 115 public int describeContents() { 116 return 0; 117 } 118 119 @Override 120 public void writeToParcel(Parcel dest, int flags) { 121 dest.writeInt(mDeviceId); 122 dest.writeInt(mType); 123 dest.writeInt(mAudioType); 124 dest.writeString(mAudioAddress); 125 if (mType == TV_INPUT_TYPE_HDMI) { 126 dest.writeInt(mHdmiPortId); 127 } 128 } 129 130 public void readFromParcel(Parcel source) { 131 mDeviceId = source.readInt(); 132 mType = source.readInt(); 133 mAudioType = source.readInt(); 134 mAudioAddress = source.readString(); 135 if (mType == TV_INPUT_TYPE_HDMI) { 136 mHdmiPortId = source.readInt(); 137 } 138 } 139 140 public static final class Builder { 141 private Integer mDeviceId = null; 142 private Integer mType = null; 143 private int mAudioType = AudioManager.DEVICE_NONE; 144 private String mAudioAddress = ""; 145 private Integer mHdmiPortId = null; 146 147 public Builder() { 148 } 149 150 public Builder deviceId(int deviceId) { 151 mDeviceId = deviceId; 152 return this; 153 } 154 155 public Builder type(int type) { 156 mType = type; 157 return this; 158 } 159 160 public Builder audioType(int audioType) { 161 mAudioType = audioType; 162 return this; 163 } 164 165 public Builder audioAddress(String audioAddress) { 166 mAudioAddress = audioAddress; 167 return this; 168 } 169 170 public Builder hdmiPortId(int hdmiPortId) { 171 mHdmiPortId = hdmiPortId; 172 return this; 173 } 174 175 public TvInputHardwareInfo build() { 176 if (mDeviceId == null || mType == null) { 177 throw new UnsupportedOperationException(); 178 } 179 if ((mType == TV_INPUT_TYPE_HDMI && mHdmiPortId == null) || 180 (mType != TV_INPUT_TYPE_HDMI && mHdmiPortId != null)) { 181 throw new UnsupportedOperationException(); 182 } 183 184 TvInputHardwareInfo info = new TvInputHardwareInfo(); 185 info.mDeviceId = mDeviceId; 186 info.mType = mType; 187 info.mAudioType = mAudioType; 188 if (info.mAudioType != AudioManager.DEVICE_NONE) { 189 info.mAudioAddress = mAudioAddress; 190 } 191 if (mHdmiPortId != null) { 192 info.mHdmiPortId = mHdmiPortId; 193 } 194 return info; 195 } 196 } 197 } 198
