root/usr/src/cmd/cdrw/write_audio.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <string.h>
#include <stdlib.h>
#include <libintl.h>

#include "bstream.h"
#include "trackio.h"
#include "misc_scsi.h"
#include "util.h"
#include "msgs.h"
#include "main.h"
#include "trackio.h"
#include "mmc.h"

static  bstreamhandle
open_audio(char *fname)
{
        int at;
        char *ext;

        /* No audio type specified, look at extension */
        if (audio_type == AUDIO_TYPE_NONE) {
                ext = (char *)(strrchr(fname, '.'));
                if (ext) {
                        ext++;
                }
                if ((ext == NULL) || ((at = get_audio_type(ext)) == -1)) {
                        err_msg(gettext(
                            "Cannot understand file extension for %s\n"),
                            fname);
                        exit(1);
                }
        } else {
                at = audio_type;
        }
        if (at == AUDIO_TYPE_SUN)
                return (open_au_read_stream(fname));
        if (at == AUDIO_TYPE_WAV)
                return (open_wav_read_stream(fname));
        if (at == AUDIO_TYPE_CDA)
                return (open_file_read_stream(fname));
        if (at == AUDIO_TYPE_AUR)
                return (open_aur_read_stream(fname));
        return (NULL);
}

void
write_audio(char **argv, int start_argc, int argc)
{
        bstreamhandle *h_ptr;
        int i, nfiles;
        struct track_info *ti;
        uint32_t blks_req, blks_avail;
        off_t fsize;

        /* number of tracks to write */
        nfiles = argc - start_argc;
        h_ptr = (bstreamhandle *)my_zalloc(nfiles * sizeof (bstreamhandle));
        blks_req = 0;
        for (i = 0; i < nfiles; i++) {
                h_ptr[i] = open_audio(argv[start_argc + i]);
                if (h_ptr[i] == NULL) {
                        err_msg(gettext("Cannot open %s: %s\n"),
                            argv[start_argc + i], get_err_str());
                        exit(1);
                }
                (void) (h_ptr[i])->bstr_size(h_ptr[i], &fsize);

                /* 2352 bytes per block, 75 blocks per second */
                blks_req += 150 + fsize/2352; /* 2 sec gap per track */
                if (fsize % 2352)
                        blks_req++;
        }
        (void) check_device(target, CHECK_DEVICE_NOT_READY |
            CHECK_DEVICE_NOT_WRITABLE | CHECK_MEDIA_IS_NOT_WRITABLE |
            EXIT_IF_CHECK_FAILED);

        /* Put the device in track-at-once mode */
        write_init(TRACK_MODE_AUDIO);
        ti = (struct track_info *)my_zalloc(sizeof (*ti));

        /* Build information for next invisible track, -1 */
        if ((build_track_info(target, -1, ti) == 0) ||
            ((ti->ti_flags & TI_NWA_VALID) == 0)) {
                err_msg(gettext(
                    "Cannot get writable address for the media.\n"));
                exit(1);
        }
        if ((blks_avail = get_last_possible_lba(target)) == 0) {
                err_msg(gettext("Unable to determine media capacity. "
                    "Defaulting to 650 MB (74 minute) disc.\n"));
                blks_avail = MAX_CD_BLKS;
        } else {
                /* LBA is always one less */
                blks_avail++;
        }
        /*
         * Actual number of blocks available based on nwa (next writable
         * address) since there may already be information on the disc.
         */

        blks_avail -= ti->ti_nwa;
        if (blks_avail < blks_req) {
                err_msg(gettext("Insufficient space on the media.\n"));
                exit(1);
        }
        for (i = 0; i < nfiles; i++) {
                write_next_track(TRACK_MODE_AUDIO, h_ptr[i]);
                if (simulation && (nfiles != 1)) {
                        (void) printf(gettext(
                            "Simulation mode : skipping remaining tracks\n"));
                        break;
                }
        }
        for (i = 0; i < nfiles; i++)
                (h_ptr[i])->bstr_close(h_ptr[i]);
        free(ti);
        free(h_ptr);

        write_fini();

        fini_device(target);
        exit(0);
}