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.mediacodec;
  
  import android.media.MediaCodec;
  import com.google.android.exoplayer2.mediacodec.MediaCodecUtil.DecoderQueryException;
  
  /**
   * Selector of {@link MediaCodec} instances.
   */
  public interface MediaCodecSelector {
  
    /**
     * Default implementation of {@link MediaCodecSelector}.
     */
    MediaCodecSelector DEFAULT = new MediaCodecSelector() {
  
      @Override
      public MediaCodecInfo getDecoderInfo(String mimeType, boolean requiresSecureDecoder)
          throws DecoderQueryException {
        return MediaCodecUtil.getDecoderInfo(mimeType, requiresSecureDecoder);
      }
  
      @Override
      public MediaCodecInfo getPassthroughDecoderInfo() throws DecoderQueryException {
        return MediaCodecUtil.getPassthroughDecoderInfo();
      }
  
    };
  
    /**
     * Selects a decoder to instantiate for a given mime type.
     *
     * @param mimeType The mime type for which a decoder is required.
     * @param requiresSecureDecoder Whether a secure decoder is required.
     * @return A {@link MediaCodecInfo} describing the decoder, or null if no suitable decoder exists.
     * @throws DecoderQueryException Thrown if there was an error querying decoders.
     */
    MediaCodecInfo getDecoderInfo(String mimeType, boolean requiresSecureDecoder)
        throws DecoderQueryException;
  
    /**
     * Selects a decoder to instantiate for audio passthrough.
     *
     * @return A {@link MediaCodecInfo} describing the decoder, or null if no suitable decoder exists.
     * @throws DecoderQueryException Thrown if there was an error querying decoders.
     */
    MediaCodecInfo getPassthroughDecoderInfo() throws DecoderQueryException;
  
  }
  