@Override protected void configureCodec( MediaCodecInfo codecInfo, MediaCodec codec, Format format, MediaCrypto crypto, float codecOperatingRate) { codecMaxInputSize = getCodecMaxInputSize(codecInfo, format, getStreamFormats()); codecNeedsDiscardChannelsWorkaround = codecNeedsDiscardChannelsWorkaround(codecInfo.name); codecNeedsEosBufferTimestampWorkaround = codecNeedsEosBufferTimestampWorkaround(codecInfo.name); passthroughEnabled = codecInfo.passthrough; String codecMimeType = codecInfo.mimeType == null ? MimeTypes.AUDIO_RAW : codecInfo.mimeType; MediaFormat mediaFormat = getMediaFormat(format, codecMimeType, codecMaxInputSize, codecOperatingRate); codec.configure(mediaFormat, /* surface= */ null, crypto, /* flags= */ 0); if (passthroughEnabled) { // Store the input MIME type if we're using the passthrough codec. passthroughMediaFormat = mediaFormat; passthroughMediaFormat.setString(MediaFormat.KEY_MIME, format.sampleMimeType); } else { passthroughMediaFormat = null; } }