content: /*
   * Copyright (C) 2020 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.mediacodec;
  
  import android.media.MediaCodec;
  import androidx.annotation.Nullable;
  import androidx.annotation.RequiresApi;
  import com.google.android.exoplayer2.decoder.DecoderException;
  import com.google.android.exoplayer2.util.Util;
  
  /** Thrown when a failure occurs in a {@link MediaCodec} decoder. */
  public class MediaCodecDecoderException extends DecoderException {
  
    /** The {@link MediaCodecInfo} of the decoder that failed. Null if unknown. */
    @Nullable public final MediaCodecInfo codecInfo;
  
    /** An optional developer-readable diagnostic information string. May be null. */
    @Nullable public final String diagnosticInfo;
  
    public MediaCodecDecoderException(Throwable cause, @Nullable MediaCodecInfo codecInfo) {
      super("Decoder failed: " + (codecInfo == null ? null : codecInfo.name), cause);
      this.codecInfo = codecInfo;
      diagnosticInfo = Util.SDK_INT >= 21 ? getDiagnosticInfoV21(cause) : null;
    }
  
    @RequiresApi(21)
    @Nullable
    private static String getDiagnosticInfoV21(Throwable cause) {
      if (cause instanceof MediaCodec.CodecException) {
        return ((MediaCodec.CodecException) cause).getDiagnosticInfo();
      }
      return null;
    }
  }
  