Method check

src/SFML/Audio/SoundFileReaderFlac.cpp:260–290

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bool SoundFileReaderFlac::check(InputStream& stream)
{
    // Create a decoder
    FLAC__StreamDecoder* decoder = FLAC__stream_decoder_new();
    if (!decoder)
        return false;

    // Initialize the decoder with our callbacks
    ClientData data;
    data.stream = &stream;
    data.error  = false;
    FLAC__stream_decoder_init_stream(decoder,
                                     &streamRead,
                                     &streamSeek,
                                     &streamTell,
                                     &streamLength,
                                     &streamEof,
                                     &streamWrite,
                                     nullptr,
                                     &streamError,
                                     &data);

    // Read the header
    const bool valid = FLAC__stream_decoder_process_until_end_of_metadata(decoder) != 0;

    // Destroy the decoder
    FLAC__stream_decoder_finish(decoder);
    FLAC__stream_decoder_delete(decoder);

    return valid && !data.error;
}


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