content: /*
   * Copyright (C) 2014 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 android.media;
  
  import android.annotation.UnsupportedAppUsage;
  
  /**
   * The AudioMixPort is a specialized type of AudioPort
   * describing an audio mix or stream at an input or output stream of the audio
   * framework.
   * In addition to base audio port attributes, the mix descriptor contains:
   * - the unique audio I/O handle assigned by AudioFlinger to this mix.
   * @see AudioPort
   * @hide
   */
  
  public class AudioMixPort extends AudioPort {
  
      private final int mIoHandle;
  
      @UnsupportedAppUsage
      AudioMixPort(AudioHandle handle, int ioHandle, int role, String deviceName,
              int[] samplingRates, int[] channelMasks, int[] channelIndexMasks,
              int[] formats, AudioGain[] gains) {
          super(handle, role, deviceName, samplingRates, channelMasks, channelIndexMasks,
                  formats, gains);
          mIoHandle = ioHandle;
      }
  
      /**
       * Build a specific configuration of this audio mix port for use by methods
       * like AudioManager.connectAudioPatch().
       */
      public AudioMixPortConfig buildConfig(int samplingRate, int channelMask, int format,
                                         AudioGainConfig gain) {
          return new AudioMixPortConfig(this, samplingRate, channelMask, format, gain);
      }
  
      /**
       * Get the device type (e.g AudioManager.DEVICE_OUT_SPEAKER)
       */
      @UnsupportedAppUsage
      public int ioHandle() {
          return mIoHandle;
      }
  
      @Override
      public boolean equals(Object o) {
          if (o == null || !(o instanceof AudioMixPort)) {
              return false;
          }
          AudioMixPort other = (AudioMixPort)o;
          if (mIoHandle != other.ioHandle()) {
              return false;
          }
  
          return super.equals(o);
      }
  
  }
  