// Copyright 2014-2025 Jesper Larsson
//
// This file is part of Klipspringer, <https://klipspringer.avadeaux.net/>
//
// Klipspringer is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// Klipspringer is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
// even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with Klipspringer. If
// not, see <https://www.gnu.org/licenses/>.

package net.avadeaux.klipspringer.codec;

import java.io.IOException;

/** Ogg Vorbis file decoder that interfaces to Vorbis library.
  */
public class VorbisDecoder extends ExternalDecoder {
    void checkSupported() {
        if (!Library.vorbisSupported()) {
            throw new UnsupportedOperationException("Klipspringer library lacks Vorbis support");
        }
    }

    /** Initiates decoder, including opening the file. */
    public VorbisDecoder(String fileName, Target target) throws IOException {
        super(fileName, target);
    }

    /** Returns a string to indicate that the file is Vorbis compressed. */
    public String quality() { return "Vorbis compressed"; }

    long create(String fnam, byte[] bfnam) throws IOException {
        return create(bfnam);
    }

    // Native methods.
    private native long create(byte[] fnam) throws IOException;
    native void rewind(long handle) throws IOException;
    native void free(long handle);
    native void nativeSeek(long handle, long samplePos) throws IOException;
    native void nativeDecodeMetadata(long handle) throws IOException;
    native boolean nativeDecodeAll(long handle) throws IOException;
}