content: /*
   * Copyright (C) 2016 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.extractor.ts;
  
  import com.google.android.exoplayer2.C;
  import com.google.android.exoplayer2.Format;
  import com.google.android.exoplayer2.extractor.ExtractorOutput;
  import com.google.android.exoplayer2.extractor.TrackOutput;
  import com.google.android.exoplayer2.util.MimeTypes;
  import com.google.android.exoplayer2.util.ParsableByteArray;
  import com.google.android.exoplayer2.util.TimestampAdjuster;
  
  /**
   * Parses splice info sections as defined by SCTE35.
   */
  public final class SpliceInfoSectionReader implements SectionPayloadReader {
  
    private TimestampAdjuster timestampAdjuster;
    private TrackOutput output;
    private boolean formatDeclared;
  
    @Override
    public void init(TimestampAdjuster timestampAdjuster, ExtractorOutput extractorOutput,
        TsPayloadReader.TrackIdGenerator idGenerator) {
      this.timestampAdjuster = timestampAdjuster;
      idGenerator.generateNewId();
      output = extractorOutput.track(idGenerator.getTrackId(), C.TRACK_TYPE_METADATA);
      output.format(Format.createSampleFormat(idGenerator.getFormatId(), MimeTypes.APPLICATION_SCTE35,
          null, Format.NO_VALUE, null));
    }
  
    @Override
    public void consume(ParsableByteArray sectionData) {
      if (!formatDeclared) {
        if (timestampAdjuster.getTimestampOffsetUs() == C.TIME_UNSET) {
          // There is not enough information to initialize the timestamp adjuster.
          return;
        }
        output.format(Format.createSampleFormat(null, MimeTypes.APPLICATION_SCTE35,
            timestampAdjuster.getTimestampOffsetUs()));
        formatDeclared = true;
      }
      int sampleSize = sectionData.bytesLeft();
      output.sampleData(sectionData, sampleSize);
      output.sampleMetadata(timestampAdjuster.getLastAdjustedTimestampUs(), C.BUFFER_FLAG_KEY_FRAME,
          sampleSize, 0, null);
    }
  
  }
  