Pavlin Radoslavov | 44a4ef0 | 2016-12-21 12:05:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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.bluetooth; |
| 18 | |
| 19 | import android.os.Parcel; |
| 20 | import android.os.Parcelable; |
| 21 | |
| 22 | import java.util.Objects; |
| 23 | |
| 24 | /** |
| 25 | * Represents the codec configuration for a Bluetooth A2DP source device. |
| 26 | * |
| 27 | * {@see BluetoothA2dp} |
| 28 | * |
| 29 | * {@hide} |
| 30 | */ |
| 31 | public final class BluetoothCodecConfig implements Parcelable { |
| 32 | |
| 33 | /** |
| 34 | * Extra for the codec configuration intents of the individual profiles. |
| 35 | * |
| 36 | * This extra represents the current codec configuration of the A2DP |
| 37 | * profile. |
| 38 | */ |
| 39 | public static final String EXTRA_CODEC_CONFIG = "android.bluetooth.codec.extra.CODEC_CONFIG"; |
| 40 | |
| 41 | /** |
| 42 | * Extra for the codec configuration intents of the individual profiles. |
| 43 | * |
| 44 | * This extra represents the previous codec configuration of the A2DP |
| 45 | * profile. |
| 46 | */ |
| 47 | public static final String EXTRA_PREVIOUS_CODEC_CONFIG = |
| 48 | "android.bluetooth.codec.extra.PREVIOUS_CODEC_CONFIG"; |
| 49 | |
Pavlin Radoslavov | feeb9b2 | 2017-01-04 16:10:09 -0800 | [diff] [blame] | 50 | // Add an entry for each source codec here. |
| 51 | // NOTE: The values should be same as those listed in the following file: |
| 52 | // hardware/libhardware/include/hardware/bt_av.h |
Pavlin Radoslavov | 44a4ef0 | 2016-12-21 12:05:51 -0800 | [diff] [blame] | 53 | public static final int SOURCE_CODEC_TYPE_SBC = 0; |
Pavlin Radoslavov | feeb9b2 | 2017-01-04 16:10:09 -0800 | [diff] [blame] | 54 | public static final int SOURCE_CODEC_TYPE_APTX = 1; |
| 55 | public static final int SOURCE_CODEC_TYPE_APTX_HD = 2; |
Pavlin Radoslavov | fad8b73 | 2017-01-04 16:47:02 -0800 | [diff] [blame] | 56 | public static final int SOURCE_CODEC_TYPE_LDAC = 3; |
Pavlin Radoslavov | feeb9b2 | 2017-01-04 16:10:09 -0800 | [diff] [blame] | 57 | |
Pavlin Radoslavov | 44a4ef0 | 2016-12-21 12:05:51 -0800 | [diff] [blame] | 58 | public static final int SOURCE_CODEC_TYPE_INVALID = 1000 * 1000; |
| 59 | |
| 60 | public static final int CODEC_PRIORITY_DEFAULT = 0; |
| 61 | public static final int CODEC_PRIORITY_HIGHEST = 1000 * 1000; |
| 62 | |
| 63 | public static final int SAMPLE_RATE_NONE = 0; |
| 64 | public static final int SAMPLE_RATE_44100 = 0x1 << 0; |
| 65 | public static final int SAMPLE_RATE_48000 = 0x1 << 1; |
| 66 | public static final int SAMPLE_RATE_88200 = 0x1 << 2; |
| 67 | public static final int SAMPLE_RATE_96000 = 0x1 << 3; |
| 68 | public static final int SAMPLE_RATE_176400 = 0x1 << 4; |
| 69 | public static final int SAMPLE_RATE_192000 = 0x1 << 5; |
| 70 | |
| 71 | public static final int BITS_PER_SAMPLE_NONE = 0; |
| 72 | public static final int BITS_PER_SAMPLE_16 = 0x1 << 0; |
| 73 | public static final int BITS_PER_SAMPLE_24 = 0x1 << 1; |
| 74 | public static final int BITS_PER_SAMPLE_32 = 0x1 << 2; |
| 75 | |
| 76 | public static final int CHANNEL_MODE_NONE = 0; |
| 77 | public static final int CHANNEL_MODE_MONO = 0x1 << 0; |
| 78 | public static final int CHANNEL_MODE_STEREO = 0x1 << 1; |
| 79 | |
| 80 | private final int mCodecType; |
| 81 | private final int mCodecPriority; |
| 82 | private final int mSampleRate; |
| 83 | private final int mBitsPerSample; |
| 84 | private final int mChannelMode; |
| 85 | private final long mCodecSpecific1; |
| 86 | private final long mCodecSpecific2; |
| 87 | private final long mCodecSpecific3; |
| 88 | private final long mCodecSpecific4; |
| 89 | |
| 90 | public BluetoothCodecConfig(int codecType, int codecPriority, |
| 91 | int sampleRate, int bitsPerSample, |
| 92 | int channelMode,long codecSpecific1, |
| 93 | long codecSpecific2, long codecSpecific3, |
| 94 | long codecSpecific4) { |
| 95 | mCodecType = codecType; |
| 96 | mCodecPriority = codecPriority; |
| 97 | mSampleRate = sampleRate; |
| 98 | mBitsPerSample = bitsPerSample; |
| 99 | mChannelMode = channelMode; |
| 100 | mCodecSpecific1 = codecSpecific1; |
| 101 | mCodecSpecific2 = codecSpecific2; |
| 102 | mCodecSpecific3 = codecSpecific3; |
| 103 | mCodecSpecific4 = codecSpecific4; |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public boolean equals(Object o) { |
| 108 | if (o instanceof BluetoothCodecConfig) { |
| 109 | BluetoothCodecConfig other = (BluetoothCodecConfig)o; |
| 110 | return (other.mCodecType == mCodecType && |
| 111 | other.mCodecPriority == mCodecPriority && |
| 112 | other.mSampleRate == mSampleRate && |
| 113 | other.mBitsPerSample == mBitsPerSample && |
| 114 | other.mChannelMode == mChannelMode && |
| 115 | other.mCodecSpecific1 == mCodecSpecific1 && |
| 116 | other.mCodecSpecific2 == mCodecSpecific2 && |
| 117 | other.mCodecSpecific3 == mCodecSpecific3 && |
| 118 | other.mCodecSpecific4 == mCodecSpecific4); |
| 119 | } |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public int hashCode() { |
| 125 | return Objects.hash(mCodecType, mCodecPriority, mSampleRate, |
| 126 | mBitsPerSample, mChannelMode, mCodecSpecific1, |
| 127 | mCodecSpecific2, mCodecSpecific3, mCodecSpecific4); |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public String toString() { |
| 132 | return "{mCodecType:" + mCodecType + |
| 133 | ",mCodecPriority:" + mCodecPriority + |
| 134 | ",mSampleRate:" + String.format("0x%x", mSampleRate) + |
| 135 | ",mBitsPerSample:" + String.format("0x%x", mBitsPerSample) + |
| 136 | ",mChannelMode:" + String.format("0x%x", mChannelMode) + |
| 137 | ",mCodecSpecific1:" + mCodecSpecific1 + |
| 138 | ",mCodecSpecific2:" + mCodecSpecific2 + |
| 139 | ",mCodecSpecific3:" + mCodecSpecific3 + |
| 140 | ",mCodecSpecific4:" + mCodecSpecific4 + "}"; |
| 141 | } |
| 142 | |
| 143 | public int describeContents() { |
| 144 | return 0; |
| 145 | } |
| 146 | |
| 147 | public static final Parcelable.Creator<BluetoothCodecConfig> CREATOR = |
| 148 | new Parcelable.Creator<BluetoothCodecConfig>() { |
| 149 | public BluetoothCodecConfig createFromParcel(Parcel in) { |
| 150 | final int codecType = in.readInt(); |
| 151 | final int codecPriority = in.readInt(); |
| 152 | final int sampleRate = in.readInt(); |
| 153 | final int bitsPerSample = in.readInt(); |
| 154 | final int channelMode = in.readInt(); |
| 155 | final long codecSpecific1 = in.readLong(); |
| 156 | final long codecSpecific2 = in.readLong(); |
| 157 | final long codecSpecific3 = in.readLong(); |
| 158 | final long codecSpecific4 = in.readLong(); |
| 159 | return new BluetoothCodecConfig(codecType, codecPriority, |
| 160 | sampleRate, bitsPerSample, |
| 161 | channelMode, codecSpecific1, |
| 162 | codecSpecific2, codecSpecific3, |
| 163 | codecSpecific4); |
| 164 | } |
| 165 | public BluetoothCodecConfig[] newArray(int size) { |
| 166 | return new BluetoothCodecConfig[size]; |
| 167 | } |
| 168 | }; |
| 169 | |
| 170 | public void writeToParcel(Parcel out, int flags) { |
| 171 | out.writeInt(mCodecType); |
| 172 | out.writeInt(mCodecPriority); |
| 173 | out.writeInt(mSampleRate); |
| 174 | out.writeInt(mBitsPerSample); |
| 175 | out.writeInt(mChannelMode); |
| 176 | out.writeLong(mCodecSpecific1); |
| 177 | out.writeLong(mCodecSpecific2); |
| 178 | out.writeLong(mCodecSpecific3); |
| 179 | out.writeLong(mCodecSpecific4); |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Returns the codec type. |
| 184 | * See {@link android.bluetooth.BluetoothCodecConfig#SOURCE_CODEC_TYPE_SBC}. |
| 185 | * |
| 186 | * @return the codec type |
| 187 | */ |
| 188 | public int getCodecType() { |
| 189 | return mCodecType; |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * Returns the codec selection priority. |
| 194 | * The codec selection priority is relative to other codecs: larger value |
| 195 | * means higher priority. If 0, reset to default. |
| 196 | * |
| 197 | * @return the codec priority |
| 198 | */ |
| 199 | public int getCodecPriority() { |
| 200 | return mCodecPriority; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Returns the codec sample rate. The value can be a bitmask with all |
| 205 | * supported sample rates: |
| 206 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_NONE} or |
| 207 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_44100} or |
| 208 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_48000} or |
| 209 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_88200} or |
| 210 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_96000} or |
| 211 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_176400} or |
| 212 | * {@link android.bluetooth.BluetoothCodecConfig#SAMPLE_RATE_192000} |
| 213 | * |
| 214 | * @return the codec sample rate |
| 215 | */ |
| 216 | public int getSampleRate() { |
| 217 | return mSampleRate; |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * Returns the codec bits per sample. The value can be a bitmask with all |
| 222 | * bits per sample supported: |
| 223 | * {@link android.bluetooth.BluetoothCodecConfig#BITS_PER_SAMPLE_NONE} or |
| 224 | * {@link android.bluetooth.BluetoothCodecConfig#BITS_PER_SAMPLE_16} or |
| 225 | * {@link android.bluetooth.BluetoothCodecConfig#BITS_PER_SAMPLE_24} or |
| 226 | * {@link android.bluetooth.BluetoothCodecConfig#BITS_PER_SAMPLE_32} |
| 227 | * |
| 228 | * @return the codec bits per sample |
| 229 | */ |
| 230 | public int getBitsPerSample() { |
| 231 | return mBitsPerSample; |
| 232 | } |
| 233 | |
| 234 | /** |
| 235 | * Returns the codec channel mode. The value can be a bitmask with all |
| 236 | * supported channel modes: |
| 237 | * {@link android.bluetooth.BluetoothCodecConfig#CHANNEL_MODE_NONE} or |
| 238 | * {@link android.bluetooth.BluetoothCodecConfig#CHANNEL_MODE_MONO} or |
| 239 | * {@link android.bluetooth.BluetoothCodecConfig#CHANNEL_MODE_STEREO} |
| 240 | * |
| 241 | * @return the codec channel mode |
| 242 | */ |
| 243 | public int getChannelMode() { |
| 244 | return mChannelMode; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Returns a codec specific value1. |
| 249 | * |
| 250 | * @return a codec specific value1. |
| 251 | */ |
| 252 | public long getCodecSpecific1() { |
| 253 | return mCodecSpecific1; |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Returns a codec specific value2. |
| 258 | * |
| 259 | * @return a codec specific value2 |
| 260 | */ |
| 261 | public long getCodecSpecific2() { |
| 262 | return mCodecSpecific2; |
| 263 | } |
| 264 | |
| 265 | /** |
| 266 | * Returns a codec specific value3. |
| 267 | * |
| 268 | * @return a codec specific value3 |
| 269 | */ |
| 270 | public long getCodecSpecific3() { |
| 271 | return mCodecSpecific3; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Returns a codec specific value4. |
| 276 | * |
| 277 | * @return a codec specific value4 |
| 278 | */ |
| 279 | public long getCodecSpecific4() { |
| 280 | return mCodecSpecific4; |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Checks whether the audio feeding parameters are same. |
| 285 | * |
| 286 | * @param other the codec config to compare against |
| 287 | * @return true if the audio feeding parameters are same, otherwise false |
| 288 | */ |
| 289 | public boolean sameAudioFeedingParameters(BluetoothCodecConfig other) { |
| 290 | return (other != null && other.mSampleRate == mSampleRate && |
| 291 | other.mBitsPerSample == mBitsPerSample && |
| 292 | other.mChannelMode == mChannelMode); |
| 293 | } |
| 294 | } |