content: /*
   * Copyright 2021 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.google.android.exoplayer2.source.rtsp;
  
  /** Factory for {@link TransferRtpDataChannel}. */
  /* package */ final class TransferRtpDataChannelFactory implements RtpDataChannel.Factory {
  
    private static final int INTERLEAVED_CHANNELS_PER_TRACK = 2;
  
    private final long timeoutMs;
  
    /**
     * Creates a new instance.
     *
     * @param timeoutMs A positive number of milliseconds to wait before lack of received RTP packets
     *     is treated as the end of input.
     */
    public TransferRtpDataChannelFactory(long timeoutMs) {
      this.timeoutMs = timeoutMs;
    }
  
    @Override
    public RtpDataChannel createAndOpenDataChannel(int trackId) {
      TransferRtpDataChannel dataChannel = new TransferRtpDataChannel(timeoutMs);
      dataChannel.open(RtpUtils.getIncomingRtpDataSpec(trackId * INTERLEAVED_CHANNELS_PER_TRACK));
      return dataChannel;
    }
  }
  