/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1990-2001 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#include <Audio.h>
#include <AudioFile.h>
#include <AudioList.h>
#include <AudioLib.h>

// Generic Audio functions


// Open an audio file readonly, and return an AudioList referencing it.
AudioError
Audio_OpenInputFile(
        const char      *path,          // input filename
        Audio*&         ap)             // returned AudioList pointer
{
        AudioFile*      inf;
        AudioList*      lp;
        AudioError      err;

        // Open file and decode the header
        inf = new AudioFile(path, (FileAccess)ReadOnly);
        if (inf == 0)
                return (AUDIO_UNIXERROR);
        err = inf->Open();
        if (err) {
                delete inf;
                return (err);
        }

        // Create a list object and set it up to reference the file
        lp = new AudioList;
        if (lp == 0) {
                delete inf;
                return (AUDIO_UNIXERROR);
        }
        lp->Insert(inf);
        ap = lp;
        return (AUDIO_SUCCESS);
}


// Create an output file and copy an input stream to it.
// If an error occurs during output, leave a partially written file.
AudioError
Audio_WriteOutputFile(
        const char      *path,          // output filename
        const AudioHdr& hdr,            // output data header
        Audio*          input)          // input data stream
{
        AudioFile*      outf;
        AudioError      err;

        // Create output file object
        outf = new AudioFile(path, (FileAccess)WriteOnly);
        if (outf == 0)
                return (AUDIO_UNIXERROR);

        // Set audio file header and create file
        if ((err = outf->SetHeader(hdr)) || (err = outf->Create())) {
                delete outf;
                return (err);
        }

        // Copy data to file
        err = AudioCopy(input, outf);

        // Close output file and clean up.  If error, leave partial file.
        delete outf;
        return (err);
}