content: /*
   * Copyright (C) 2017 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 com.android.server.usb.descriptors;
  
  import com.android.server.usb.descriptors.report.ReportCanvas;
  
  /**
   * @hide
   * An audio class-specific Input Terminal interface.
   * see audio10.pdf section 4.3.2.1
   */
  public final class Usb10ACInputTerminal extends UsbACTerminal {
      private static final String TAG = "Usb10ACInputTerminal";
  
      private byte mNrChannels;       // 7:1 1 Channel (0x01)
                                      // Number of logical output channels in the
                                      // Terminal’s output audio channel cluster
      private int mChannelConfig;     // 8:2 Mono (0x0000)
      private byte mChannelNames;     // 10:1 Unused (0x00)
      private byte mTerminal;         // 11:1 Unused (0x00)
  
      public Usb10ACInputTerminal(int length, byte type, byte subtype, int subclass) {
          super(length, type, subtype, subclass);
      }
  
      public byte getNrChannels() {
          return mNrChannels;
      }
  
      public int getChannelConfig() {
          return mChannelConfig;
      }
  
      public byte getChannelNames() {
          return mChannelNames;
      }
  
      public byte getTerminal() {
          return mTerminal;
      }
  
      @Override
      public int parseRawDescriptors(ByteStream stream) {
          super.parseRawDescriptors(stream);
  
          mNrChannels = stream.getByte();
          mChannelConfig = stream.unpackUsbShort();
          mChannelNames = stream.getByte();
          mTerminal = stream.getByte();
  
          return mLength;
      }
  
      @Override
      public void report(ReportCanvas canvas) {
          super.report(canvas);
  
          canvas.openList();
          canvas.writeListItem("Associated Terminal: "
                  + ReportCanvas.getHexString(getAssocTerminal()));
          canvas.writeListItem("" + getNrChannels() + " Chans. Config: "
                  + ReportCanvas.getHexString(getChannelConfig()));
          canvas.closeList();
      }
  }
  