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/*
$Id: paranoia.cpp,v 1.3 2008/03/24 15:30:56 karl Exp $
Copyright (C) 2005, 2008, 2009 Rocky Bernstein <rocky@gnu.org>
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Simple program to show using libcdio's version of the CD-DA paranoia.
library. */
#include <iostream>
#include <cstdlib>
#include <fstream>
#include <iomanip>
using namespace std;
extern "C"{
#include <cdio/paranoia.h>
#include <cdio/cd_types.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
}
int
main(int argc, const char *argv[])
{
cdrom_drive_t *d = NULL; /* Place to store handle given by cd-paranoia. */
char **ppsz_cd_drives; /* List of all drives with a loaded CDDA in it. */
/* See if we can find a device with a loaded CD-DA in it. */
ppsz_cd_drives = cdio_get_devices_with_cap(NULL, CDIO_FS_AUDIO, false);
if (ppsz_cd_drives) {
/* Found such a CD-ROM with a CD-DA loaded. Use the first drive in
the list. */
d = cdda_identify(*ppsz_cd_drives, 1, NULL);
} else {
cerr << "Unable to access to a CD-ROM drive with audio CD in it";
return -1;
}
/* Don't need a list of CD's with CD-DA's any more. */
cdio_free_device_list(ppsz_cd_drives);
if ( !d ) {
cerr << "Unable to identify audio CD disc.\n";
return -1;
}
/* We'll set for verbose paranoia messages. */
cdda_verbose_set(d, CDDA_MESSAGE_PRINTIT, CDDA_MESSAGE_PRINTIT);
if ( 0 != cdda_open(d) ) {
cerr << "Unable to open disc.\n";
return -1;
}
/* Okay now set up to read up to the first 300 frames of the first
audio track of the Audio CD. */
{
cdrom_paranoia_t *p = paranoia_init(d);
lsn_t i_first_lsn = cdda_disc_firstsector(d);
if ( -1 == i_first_lsn ) {
printf("Trouble getting starting LSN\n");
} else {
lsn_t i_cursor;
track_t i_track = cdda_sector_gettrack(d, i_first_lsn);
lsn_t i_last_lsn = cdda_track_lastsector(d, i_track);
/* For demo purposes we'll read only 300 frames (about 4
seconds). We don't want this to take too long. On the other
hand, I suppose it should be something close to a real test.
*/
if ( i_last_lsn - i_first_lsn > 300) i_last_lsn = i_first_lsn + 299;
printf("Reading track %d from LSN %ld to LSN %ld\n", i_track,
(long int) i_first_lsn, (long int) i_last_lsn);
/* Set reading mode for full paranoia, but allow skipping sectors. */
paranoia_modeset(p, PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
paranoia_seek(p, i_first_lsn, SEEK_SET);
//Get the track size in bytes and conver it to string
unsigned int byte_count =
( i_last_lsn - i_first_lsn + 1 ) * CDIO_CD_FRAMESIZE_RAW;
// Open the output file
ofstream outfile ("track01.wav",
ofstream::binary | ofstream::app | ofstream::out);
// Write format header specification
const int waweChunkLength = byte_count + 44 - 8;
const int fmtChunkLength = 16;
const int compressionCode = 1;
const int numberOfChannels = 2;
const int sampleRate = 44100; // Hz
const int blockAlign = sampleRate*2*2;
const int significantBps = 4;
const int extraFormatBytes = 16;
#define writestr(str) outfile.write(str, sizeof(str)-1)
writestr("RIFF");
outfile.write((char*)&waweChunkLength, 4);
writestr("WAVEfmt ");
outfile.write((char*) &fmtChunkLength, 4);
outfile.write((char*) &compressionCode, 2);
outfile.write((char*) &numberOfChannels, 2);
outfile.write((char*) &sampleRate, 4);
outfile.write((char*) &blockAlign, 4);
outfile.write((char*) &significantBps, 2);
outfile.write((char*) &extraFormatBytes, 2);
writestr("data");
outfile.write((char*) &byte_count,4);
for ( i_cursor = i_first_lsn; i_cursor <= i_last_lsn; i_cursor ++) {
/* read a sector */
int16_t *p_readbuf=paranoia_read(p, NULL);
char *psz_err=cdda_errors(d);
char *psz_mes=cdda_messages(d);
if (psz_mes || psz_err)
cerr << psz_err << psz_mes;
if (psz_err) free(psz_err);
if (psz_mes) free(psz_mes);
if( !p_readbuf ) {
cerr << "paranoia read error. Stopping.\n";
break;
}
char *temp= (char*) p_readbuf;
outfile.write(temp, CDIO_CD_FRAMESIZE_RAW);
}
}
paranoia_free(p);
}
cdda_close(d);
exit(0);
}
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