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/*
cdda input class based on cdparanoia
Copyright (C) 2000 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef CDDA_PARANOIA
#include <iostream>
using namespace std;
#include "cddaInputStream.h"
#include "inputDetector.h"
void paranoiaCallback(long, int) {
//cout << "long:"<<a<<" int:"<<b<<endl;
}
CDDAInputStream::CDDAInputStream() {
drive = NULL;
paranoia=NULL;
device=NULL;
track=1;
}
CDDAInputStream::~CDDAInputStream() {
close();
}
// here we should encdoe the track Nr. as well
// eg: /dev/cdrom#1
int CDDAInputStream::getTrackAndDevice(const char* url) {
int matches=0;
// dest = "cdda:/dev/cdrom/track01.cda"
char* noprotoString=InputDetector::removeProtocol(url);
// noprotoString="/dev/cdrom/track01.cda"
char* filename=InputDetector::getFilename(noprotoString);
// filename="track01.cda"
char* filenameNoExt=InputDetector::getWithoutExtension(filename);
// filenameNoExt="track01"
char* dir=InputDetector::removeExtension(noprotoString,filename);
// dir="/dev/cdrom/"
device=InputDetector::removeSlash(dir);
track=1;
if (filenameNoExt != NULL) {
matches=sscanf(filenameNoExt,"track%02d",&track);
}
if (matches == 0) {
cout << "no trackNumber found using default"<<endl;
}
cout << "device:"<<device<<" track:"<<track<<endl;
if (noprotoString != NULL) {
delete noprotoString;
}
if (filename != NULL) {
delete filename;
}
if (filenameNoExt != NULL) {
delete filenameNoExt;
}
if (dir != NULL) {
delete dir;
}
if (device == NULL) {
cout << "no device found, using any"<<endl;
return false;
}
return true;
}
int CDDAInputStream::open(const char* dest) {
if (getTrackAndDevice(dest) == true) {
drive = cdda_identify(device, CDDA_MESSAGE_PRINTIT, 0);
}
if (drive == NULL) {
cout << "cdda_identify failed trying to find a device"<<endl;
drive=cdda_find_a_cdrom(CDDA_MESSAGE_PRINTIT, 0);
}
if (drive == NULL) {
cout << "nope. nothing found. give up"<<endl;
return false;
}
cout << "cdda_open -s"<<endl;
if (cdda_open(drive) != 0) {
cout << "cdda_open(drive) failed"<<endl;
close();
return false;
}
cout << "cdda_open -e"<<endl;
// debug things a bit
int trackCount = drive->tracks;
for (int i = 1; i <= trackCount; i++) {
if (IS_AUDIO(drive, i)) {
printf("track%02d.cda\n", i);
} else {
printf("no audio:%d\n",i);
}
}
paranoia = paranoia_init(drive);
if (paranoia == NULL) {
cout << "paranoia init failed"<<endl;
close();
return false;
}
firstSector=cdda_track_firstsector(drive, track);
lastSector=cdda_track_lastsector(drive, track);
currentSector=firstSector;
// paranoia && drive != NULL -> initialized!
int paranoiaLevel = PARANOIA_MODE_FULL ^ PARANOIA_MODE_NEVERSKIP;
paranoia_modeset(paranoia, paranoiaLevel);
cdda_verbose_set(drive, CDDA_MESSAGE_PRINTIT, CDDA_MESSAGE_PRINTIT);
paranoia_seek(paranoia, firstSector, SEEK_SET);
return true;
}
void CDDAInputStream::close() {
if (isOpen() == false) {
return;
}
cdda_close(drive);
drive=NULL;
if (paranoia != NULL) {
paranoia_free(paranoia);
paranoia = 0;
}
if (device != NULL) {
delete device;
device=NULL;
}
}
int CDDAInputStream::isOpen() {
return (drive != NULL);
}
int CDDAInputStream::eof() {
if (isOpen()==false) {
return true;
}
if (currentSector >= lastSector) {
return true;
}
return false;
}
int CDDAInputStream::read(char* dest,int len) {
if (len != 2*CD_FRAMESIZE_RAW) {
cout << "len must be 2*CD_FRAMESIZE_RAW"<<endl;
exit(0);
}
int16_t * buf = paranoia_read(paranoia, paranoiaCallback);
currentSector++;
if (buf == NULL) {
cout << "paranoia_read failed"<<endl;
close();
return 0;
}
memcpy(dest,buf,sizeof(int16_t)*CD_FRAMESIZE_RAW);
return CD_FRAMESIZE_RAW;
}
int CDDAInputStream::seek(long bytePos) {
int byteLength=getByteLength();
float ratio=(float)bytePos/(float)(byteLength+1);
float wantSector=ratio*(float)((lastSector-firstSector));
if (isOpen()) {
currentSector=(int)wantSector;
cout << "paranoia_seek:"<<currentSector<<endl;
paranoia_seek(paranoia, currentSector, SEEK_SET);
}
return true;
}
void CDDAInputStream::clear() {
cout << "direct virtual call CDDAInputStream::clear:"<<endl;
}
long CDDAInputStream::getByteLength() {
int sectors=lastSector-firstSector;
int bytes=sectors*CD_FRAMESIZE_RAW*sizeof(int16_t);
cout << "getByteLength:"<<bytes<<endl;
return bytes;
}
long CDDAInputStream::getBytePosition() {
int readSectors=currentSector-firstSector;
int bytes=readSectors*CD_FRAMESIZE_RAW*sizeof(int16_t);
return bytes;
}
#endif
//CDDA_PARANOIA
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