1 |
/* |
2 |
libakai - C++ cross-platform akai sample disk reader |
3 |
Copyright (C) 2002-2003 Sébastien Métrot |
4 |
|
5 |
Linux port by Christian Schoenebeck <cuse@users.sourceforge.net> 2003-2014 |
6 |
|
7 |
This library is free software; you can redistribute it and/or |
8 |
modify it under the terms of the GNU Lesser General Public |
9 |
License as published by the Free Software Foundation; either |
10 |
version 2.1 of the License, or (at your option) any later version. |
11 |
|
12 |
This library is distributed in the hope that it will be useful, |
13 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 |
Lesser General Public License for more details. |
16 |
|
17 |
You should have received a copy of the GNU Lesser General Public |
18 |
License along with this library; if not, write to the Free Software |
19 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 |
*/ |
21 |
// Akai.cpp |
22 |
|
23 |
#include "Akai.h" |
24 |
|
25 |
#include <stdio.h> |
26 |
#include <string.h> |
27 |
#include <unistd.h> |
28 |
#include <fcntl.h> |
29 |
#include <sys/ioctl.h> |
30 |
#if defined (__GNUC__) && (__GNUC__ >= 4) |
31 |
#include <sys/disk.h> |
32 |
#else |
33 |
#include <dev/disk.h> |
34 |
#endif |
35 |
#include <sys/types.h> |
36 |
#include <sys/stat.h> |
37 |
#include <errno.h> |
38 |
#include <paths.h> |
39 |
#if defined(_CARBON_) || defined(__APPLE__) |
40 |
#include <sys/param.h> |
41 |
#include <IOKit/IOKitLib.h> |
42 |
#include <IOKit/IOBSD.h> |
43 |
#include <IOKit/storage/IOMediaBSDClient.h> |
44 |
#include <IOKit/storage/IOMedia.h> |
45 |
#include <IOKit/storage/IOCDMedia.h> |
46 |
#include <IOKit/storage/IOCDTypes.h> |
47 |
#include <CoreFoundation/CoreFoundation.h> |
48 |
#endif |
49 |
|
50 |
#if defined(_CARBON_) || defined(__APPLE__) |
51 |
|
52 |
// These definitions were taken from mount_cd9660.c |
53 |
// There are some similar definitions in IOCDTypes.h |
54 |
// however there seems to be some dissagreement in |
55 |
// the definition of CDTOC.length |
56 |
struct _CDMSF { |
57 |
u_char minute; |
58 |
u_char second; |
59 |
u_char frame; |
60 |
}; |
61 |
|
62 |
#define MSF_TO_LBA(msf) \ |
63 |
(((((msf).minute * 60UL) + (msf).second) * 75UL) + (msf).frame - 150) |
64 |
|
65 |
struct _CDTOC_Desc { |
66 |
u_char session; |
67 |
u_char ctrl_adr; /* typed to be machine and compiler independent */ |
68 |
u_char tno; |
69 |
u_char point; |
70 |
struct _CDMSF address; |
71 |
u_char zero; |
72 |
struct _CDMSF p; |
73 |
}; |
74 |
|
75 |
struct _CDTOC { |
76 |
u_short length; /* in native cpu endian */ |
77 |
u_char first_session; |
78 |
u_char last_session; |
79 |
struct _CDTOC_Desc trackdesc[1]; |
80 |
}; |
81 |
|
82 |
// Most of the following Mac CDROM IO functions were taken from Apple's IOKit |
83 |
// examples (BSD style license). ReadTOC() function was taken from the Bochs x86 |
84 |
// Emulator (LGPL). Most probably they have taken it however also from some |
85 |
// other BSD style licensed example code as well ... |
86 |
|
87 |
// Returns an iterator across all CD media (class IOCDMedia). Caller is responsible for releasing |
88 |
// the iterator when iteration is complete. |
89 |
static kern_return_t FindEjectableCDMedia(io_iterator_t *mediaIterator) { |
90 |
kern_return_t kernResult; |
91 |
CFMutableDictionaryRef classesToMatch; |
92 |
|
93 |
// CD media are instances of class kIOCDMediaClass |
94 |
classesToMatch = IOServiceMatching(kIOCDMediaClass); |
95 |
if (classesToMatch == NULL) { |
96 |
printf("IOServiceMatching returned a NULL dictionary.\n"); |
97 |
} else { |
98 |
CFDictionarySetValue(classesToMatch, CFSTR(kIOMediaEjectableKey), kCFBooleanTrue); |
99 |
// Each IOMedia object has a property with key kIOMediaEjectableKey which is true if the |
100 |
// media is indeed ejectable. So add this property to the CFDictionary we're matching on. |
101 |
} |
102 |
|
103 |
kernResult = IOServiceGetMatchingServices(kIOMasterPortDefault, classesToMatch, mediaIterator); |
104 |
|
105 |
return kernResult; |
106 |
} |
107 |
|
108 |
// Given an iterator across a set of CD media, return the BSD path to the |
109 |
// next one. If no CD media was found the path name is set to an empty string. |
110 |
static kern_return_t GetBSDPath(io_iterator_t mediaIterator, char *bsdPath, CFIndex maxPathSize) { |
111 |
io_object_t nextMedia; |
112 |
kern_return_t kernResult = KERN_FAILURE; |
113 |
|
114 |
*bsdPath = '\0'; |
115 |
|
116 |
nextMedia = IOIteratorNext(mediaIterator); |
117 |
if (nextMedia) { |
118 |
CFTypeRef bsdPathAsCFString; |
119 |
|
120 |
bsdPathAsCFString = IORegistryEntryCreateCFProperty(nextMedia, |
121 |
CFSTR(kIOBSDNameKey), |
122 |
kCFAllocatorDefault, |
123 |
0); |
124 |
if (bsdPathAsCFString) { |
125 |
strlcpy(bsdPath, _PATH_DEV, maxPathSize); |
126 |
|
127 |
// Add "r" before the BSD node name from the I/O Registry to specify the raw disk |
128 |
// node. The raw disk nodes receive I/O requests directly and do not go through |
129 |
// the buffer cache. |
130 |
|
131 |
strlcat(bsdPath, "r", maxPathSize); |
132 |
|
133 |
size_t devPathLength = strlen(bsdPath); |
134 |
|
135 |
if (CFStringGetCString((CFStringRef)bsdPathAsCFString, |
136 |
bsdPath + devPathLength, |
137 |
maxPathSize - devPathLength, |
138 |
kCFStringEncodingUTF8)) { |
139 |
printf("BSD path: %s\n", bsdPath); |
140 |
kernResult = KERN_SUCCESS; |
141 |
} |
142 |
|
143 |
CFRelease(bsdPathAsCFString); |
144 |
} |
145 |
|
146 |
IOObjectRelease(nextMedia); |
147 |
} |
148 |
|
149 |
return kernResult; |
150 |
} |
151 |
|
152 |
// Given the path to a CD drive, open the drive. |
153 |
// Return the file descriptor associated with the device. |
154 |
static int OpenDrive(const char *bsdPath) { |
155 |
int fileDescriptor; |
156 |
|
157 |
// This open() call will fail with a permissions error if the sample has been changed to |
158 |
// look for non-removable media. This is because device nodes for fixed-media devices are |
159 |
// owned by root instead of the current console user. |
160 |
|
161 |
fileDescriptor = open(bsdPath, O_RDONLY); |
162 |
|
163 |
if (fileDescriptor == -1) { |
164 |
printf("Error opening device %s: ", bsdPath); |
165 |
perror(NULL); |
166 |
} |
167 |
|
168 |
return fileDescriptor; |
169 |
} |
170 |
|
171 |
// Given the file descriptor for a whole-media CD device, read a sector from the drive. |
172 |
// Return true if successful, otherwise false. |
173 |
static Boolean ReadSector(int fileDescriptor) { |
174 |
char *buffer; |
175 |
ssize_t numBytes; |
176 |
u_int32_t blockSize; |
177 |
|
178 |
// This ioctl call retrieves the preferred block size for the media. It is functionally |
179 |
// equivalent to getting the value of the whole media object's "Preferred Block Size" |
180 |
// property from the IORegistry. |
181 |
if (ioctl(fileDescriptor, DKIOCGETBLOCKSIZE, &blockSize)) { |
182 |
perror("Error getting preferred block size"); |
183 |
|
184 |
// Set a reasonable default if we can't get the actual preferred block size. A real |
185 |
// app would probably want to bail at this point. |
186 |
blockSize = kCDSectorSizeCDDA; |
187 |
} |
188 |
|
189 |
printf("Media has block size of %d bytes.\n", blockSize); |
190 |
|
191 |
// Allocate a buffer of the preferred block size. In a real application, performance |
192 |
// can be improved by reading as many blocks at once as you can. |
193 |
buffer = (char*) malloc(blockSize); |
194 |
|
195 |
// Do the read. Note that we use read() here, not fread(), since this is a raw device |
196 |
// node. |
197 |
numBytes = read(fileDescriptor, buffer, blockSize); |
198 |
|
199 |
// Free our buffer. Of course, a real app would do something useful with the data first. |
200 |
free(buffer); |
201 |
|
202 |
return numBytes == blockSize ? true : false; |
203 |
} |
204 |
|
205 |
// Given the file descriptor for a device, close that device. |
206 |
static void CloseDrive(int fileDescriptor) { |
207 |
close(fileDescriptor); |
208 |
} |
209 |
|
210 |
// path is the BSD path to a raw device such as /dev/rdisk1 |
211 |
static struct _CDTOC * ReadTOC(const char *devpath) { |
212 |
struct _CDTOC * toc_p = NULL; |
213 |
io_iterator_t iterator = 0; |
214 |
io_registry_entry_t service = 0; |
215 |
CFDictionaryRef properties = 0; |
216 |
CFDataRef data = 0; |
217 |
mach_port_t port = 0; |
218 |
char *devname; |
219 |
|
220 |
if ((devname = strrchr(devpath, '/')) != NULL) { |
221 |
++devname; |
222 |
} else { |
223 |
devname = (char *) devpath; |
224 |
} |
225 |
|
226 |
if (IOMasterPort(bootstrap_port, &port) != KERN_SUCCESS) { |
227 |
fprintf(stderr, "IOMasterPort failed\n"); |
228 |
goto Exit; |
229 |
} |
230 |
|
231 |
if (IOServiceGetMatchingServices(port, IOBSDNameMatching(port, 0, devname), |
232 |
&iterator) != KERN_SUCCESS) { |
233 |
fprintf(stderr, "IOServiceGetMatchingServices failed\n"); |
234 |
goto Exit; |
235 |
} |
236 |
|
237 |
service = IOIteratorNext(iterator); |
238 |
|
239 |
IOObjectRelease(iterator); |
240 |
|
241 |
iterator = 0; |
242 |
|
243 |
while (service && !IOObjectConformsTo(service, "IOCDMedia")) { |
244 |
if (IORegistryEntryGetParentIterator(service, kIOServicePlane, |
245 |
&iterator) != KERN_SUCCESS) |
246 |
{ |
247 |
fprintf(stderr, "IORegistryEntryGetParentIterator failed\n"); |
248 |
goto Exit; |
249 |
} |
250 |
|
251 |
IOObjectRelease(service); |
252 |
service = IOIteratorNext(iterator); |
253 |
IOObjectRelease(iterator); |
254 |
} |
255 |
|
256 |
if (!service) { |
257 |
fprintf(stderr, "CD media not found\n"); |
258 |
goto Exit; |
259 |
} |
260 |
|
261 |
if (IORegistryEntryCreateCFProperties(service, (__CFDictionary **) &properties, |
262 |
kCFAllocatorDefault, |
263 |
kNilOptions) != KERN_SUCCESS) |
264 |
{ |
265 |
fprintf(stderr, "IORegistryEntryGetParentIterator failed\n"); |
266 |
goto Exit; |
267 |
} |
268 |
|
269 |
data = (CFDataRef) CFDictionaryGetValue(properties, CFSTR(kIOCDMediaTOCKey)); |
270 |
if (data == NULL) { |
271 |
fprintf(stderr, "CFDictionaryGetValue failed\n"); |
272 |
goto Exit; |
273 |
} else { |
274 |
CFRange range; |
275 |
CFIndex buflen; |
276 |
|
277 |
buflen = CFDataGetLength(data) + 1; |
278 |
range = CFRangeMake(0, buflen); |
279 |
toc_p = (struct _CDTOC *) malloc(buflen); |
280 |
if (toc_p == NULL) { |
281 |
fprintf(stderr, "Out of memory\n"); |
282 |
goto Exit; |
283 |
} else { |
284 |
CFDataGetBytes(data, range, (unsigned char *) toc_p); |
285 |
} |
286 |
|
287 |
/* |
288 |
fprintf(stderr, "Table of contents\n length %d first %d last %d\n", |
289 |
toc_p->length, toc_p->first_session, toc_p->last_session); |
290 |
*/ |
291 |
|
292 |
CFRelease(properties); |
293 |
} |
294 |
|
295 |
Exit: |
296 |
|
297 |
if (service) { |
298 |
IOObjectRelease(service); |
299 |
} |
300 |
|
301 |
return toc_p; |
302 |
} |
303 |
|
304 |
#endif // defined(_CARBON_) || defined(__APPLE__) |
305 |
|
306 |
////////////////////////////////// |
307 |
// AkaiSample: |
308 |
AkaiSample::AkaiSample(DiskImage* pDisk, AkaiVolume* pParent, const AkaiDirEntry& DirEntry) |
309 |
: AkaiDiskElement(pDisk->GetPos()) |
310 |
{ |
311 |
mpParent = pParent; |
312 |
mpDisk = pDisk; |
313 |
mDirEntry = DirEntry; |
314 |
mpSamples = NULL; |
315 |
mHeaderOK = false; |
316 |
mPos = 0; |
317 |
|
318 |
// |
319 |
LoadHeader(); |
320 |
} |
321 |
|
322 |
AkaiSample::~AkaiSample() |
323 |
{ |
324 |
if (mpSamples) |
325 |
free(mpSamples); |
326 |
} |
327 |
|
328 |
AkaiDirEntry AkaiSample::GetDirEntry() |
329 |
{ |
330 |
return mDirEntry; |
331 |
} |
332 |
|
333 |
bool AkaiSample::LoadSampleData() |
334 |
{ |
335 |
if (!LoadHeader()) |
336 |
return false; |
337 |
if (mpSamples) |
338 |
return true; |
339 |
|
340 |
mpDisk->SetPos(mImageOffset); |
341 |
mpSamples = (int16_t*) malloc(mNumberOfSamples * sizeof(int16_t)); |
342 |
if (!mpSamples) |
343 |
return false; |
344 |
|
345 |
mpDisk->ReadInt16((uint16_t*)mpSamples, mNumberOfSamples); |
346 |
return true; |
347 |
} |
348 |
|
349 |
void AkaiSample::ReleaseSampleData() |
350 |
{ |
351 |
if (!mpSamples) |
352 |
return; |
353 |
free(mpSamples); |
354 |
mpSamples = NULL; |
355 |
} |
356 |
|
357 |
int AkaiSample::SetPos(int Where, akai_stream_whence_t Whence) |
358 |
{ |
359 |
if (!mHeaderOK) return -1; |
360 |
int w = Where; |
361 |
switch (Whence) |
362 |
{ |
363 |
case akai_stream_start: |
364 |
mPos = w; |
365 |
break; |
366 |
/*case eStreamRewind: |
367 |
w = -w;*/ |
368 |
case akai_stream_curpos: |
369 |
mPos += w; |
370 |
break; |
371 |
case akai_stream_end: |
372 |
mPos = mNumberOfSamples - w; |
373 |
break; |
374 |
} |
375 |
if (mPos > mNumberOfSamples) mPos = mNumberOfSamples; |
376 |
if (mPos < 0) mPos = 0; |
377 |
return mPos; |
378 |
} |
379 |
|
380 |
int AkaiSample::Read(void* pBuffer, uint SampleCount) |
381 |
{ |
382 |
if (!mHeaderOK) return 0; |
383 |
|
384 |
if (mPos + SampleCount > mNumberOfSamples) SampleCount = mNumberOfSamples - mPos; |
385 |
|
386 |
mpDisk->SetPos(mImageOffset + mPos * 2); // FIXME: assumes 16 bit sample depth |
387 |
mpDisk->ReadInt16((uint16_t*)pBuffer, SampleCount); |
388 |
return SampleCount; |
389 |
} |
390 |
|
391 |
bool AkaiSample::LoadHeader() |
392 |
{ |
393 |
if (mHeaderOK) |
394 |
return true; |
395 |
|
396 |
mpDisk->SetPos(mpParent->GetParent()->GetOffset() + mDirEntry.mStart * AKAI_BLOCK_SIZE ); |
397 |
|
398 |
// Length Format Description |
399 |
// -------------------------------------------------------------- |
400 |
// 1 3 |
401 |
if (mpDisk->ReadInt8() != AKAI_SAMPLE_ID) |
402 |
return false; |
403 |
// 1 Not important: 0 for 22050Hz, 1 for 44100Hz |
404 |
mpDisk->ReadInt8(); |
405 |
// 1 unsigned MIDI root note (C3=60) |
406 |
mMidiRootNote = mpDisk->ReadInt8(); |
407 |
// 12 AKAII Filename |
408 |
char buffer[13]; |
409 |
mpDisk->Read(buffer, 12, 1); |
410 |
AkaiToAscii(buffer, 12); |
411 |
mName = buffer; |
412 |
|
413 |
// 1 128 |
414 |
mpDisk->ReadInt8(); |
415 |
// 1 unsigned Number of active loops |
416 |
mActiveLoops = mpDisk->ReadInt8(); |
417 |
// 1 unsigned char First active loop (0 for none) |
418 |
mFirstActiveLoop = mpDisk->ReadInt8(); |
419 |
// 1 0 |
420 |
mpDisk->ReadInt8(); |
421 |
// 1 unsigned Loop mode: 0=in release 1=until release |
422 |
// 2=none 3=play to end |
423 |
mLoopMode = mpDisk->ReadInt8(); |
424 |
// 1 signed Cents tune -50...+50 |
425 |
mTuneCents = mpDisk->ReadInt8(); |
426 |
// 1 signed Semi tune -50...+50 |
427 |
mTuneSemitones = mpDisk->ReadInt8(); |
428 |
// 4 0,8,2,0 |
429 |
mpDisk->ReadInt8(); |
430 |
mpDisk->ReadInt8(); |
431 |
mpDisk->ReadInt8(); |
432 |
mpDisk->ReadInt8(); |
433 |
// |
434 |
// 4 unsigned Number of sample words |
435 |
mNumberOfSamples = mpDisk->ReadInt32(); |
436 |
// 4 unsigned Start marker |
437 |
mStartMarker = mpDisk->ReadInt32(); |
438 |
// 4 unsigned End marker |
439 |
mEndMarker = mpDisk->ReadInt32(); |
440 |
// |
441 |
// 4 unsigned Loop 1 marker |
442 |
// 2 unsigned Loop 1 fine length (65536ths) |
443 |
// 4 unsigned Loop 1 coarse length (words) |
444 |
// 2 unsigned Loop 1 time (msec. or 9999=infinite) |
445 |
// |
446 |
// 84 [as above] Loops 2 to 8 |
447 |
// |
448 |
int i; |
449 |
for (i=0; i<8; i++) |
450 |
mLoops[i].Load(mpDisk); |
451 |
// 4 0,0,255,255 |
452 |
mpDisk->ReadInt32(); |
453 |
// 2 unsigned Sampling frequency |
454 |
mSamplingFrequency = mpDisk->ReadInt16(); |
455 |
// 1 signed char Loop tune offset -50...+50 |
456 |
mLoopTuneOffset = mpDisk->ReadInt8(); |
457 |
|
458 |
mImageOffset = mpParent->GetParent()->GetOffset() + mDirEntry.mStart * AKAI_BLOCK_SIZE + 150; // 150 is the size of the header |
459 |
|
460 |
//FIXME: no header validation yet implemented |
461 |
return (mHeaderOK = true); |
462 |
} |
463 |
|
464 |
bool AkaiSampleLoop::Load(DiskImage* pDisk) |
465 |
{ |
466 |
// 4 unsigned Loop 1 marker |
467 |
mMarker = pDisk->ReadInt32(); |
468 |
// 2 unsigned Loop 1 fine length (65536ths) |
469 |
mFineLength = pDisk->ReadInt16(); |
470 |
// 4 unsigned Loop 1 coarse length (words) |
471 |
mCoarseLength = pDisk->ReadInt32(); |
472 |
// 2 unsigned Loop 1 time (msec. or 9999=infinite) |
473 |
mTime = pDisk->ReadInt16(); |
474 |
return true; |
475 |
} |
476 |
|
477 |
////////////////////////////////// |
478 |
// AkaiProgram: |
479 |
AkaiProgram::AkaiProgram(DiskImage* pDisk, AkaiVolume* pParent, const AkaiDirEntry& DirEntry) |
480 |
: AkaiDiskElement(pDisk->GetPos()) |
481 |
{ |
482 |
mpParent = pParent; |
483 |
mpDisk = pDisk; |
484 |
mDirEntry = DirEntry; |
485 |
mpKeygroups = NULL; |
486 |
Load(); |
487 |
} |
488 |
|
489 |
AkaiProgram::~AkaiProgram() |
490 |
{ |
491 |
if (mpKeygroups) |
492 |
delete[] mpKeygroups; |
493 |
} |
494 |
|
495 |
AkaiDirEntry AkaiProgram::GetDirEntry() |
496 |
{ |
497 |
return mDirEntry; |
498 |
} |
499 |
|
500 |
bool AkaiProgram::Load() |
501 |
{ |
502 |
// Read each of the program parameters |
503 |
uint temppos = mpDisk->GetPos(); |
504 |
mpDisk->SetPos(mpParent->GetParent()->GetOffset() + mDirEntry.mStart * AKAI_BLOCK_SIZE ); |
505 |
// byte description default range/comments |
506 |
// --------------------------------------------------------------------------- |
507 |
// 1 program ID 1 |
508 |
uint8_t ProgID = mpDisk->ReadInt8(); |
509 |
if (ProgID != AKAI_PROGRAM_ID) |
510 |
{ |
511 |
mpDisk->SetPos(temppos); |
512 |
return false; |
513 |
} |
514 |
// 2-3 first keygroup address 150,0 |
515 |
uint16_t KeygroupAddress = mpDisk->ReadInt16(); |
516 |
// 4-15 program name 10,10,10... AKAII character set |
517 |
char buffer[13]; |
518 |
mpDisk->Read(buffer, 12, 1); |
519 |
AkaiToAscii(buffer, 12); |
520 |
mName = buffer; |
521 |
// 16 MIDI program number 0 0..127 |
522 |
mMidiProgramNumber = mpDisk->ReadInt8(); |
523 |
// 17 MIDI channel 0 0..15, 255=OMNI |
524 |
mMidiChannel = mpDisk->ReadInt8(); |
525 |
// 18 polyphony 15 1..16 |
526 |
mPolyphony = mpDisk->ReadInt8(); |
527 |
// 19 priority 1 0=LOW 1=NORM 2=HIGH 3=HOLD |
528 |
mPriority = mpDisk->ReadInt8(); |
529 |
// 20 low key 24 24..127 |
530 |
mLowKey = mpDisk->ReadInt8(); |
531 |
// 21 high key 127 24..127 |
532 |
mHighKey = mpDisk->ReadInt8(); |
533 |
// 22 octave shift 0 -2..2 |
534 |
mOctaveShift = mpDisk->ReadInt8(); |
535 |
// 23 aux output select 255 0..7, 255=OFF |
536 |
mAuxOutputSelect = mpDisk->ReadInt8(); |
537 |
// 24 mix output level 99 0..99 |
538 |
mMixOutputSelect = mpDisk->ReadInt8(); |
539 |
// 25 mix output pan 0 -50..50 |
540 |
mMixPan = mpDisk->ReadInt8(); |
541 |
// 26 volume 80 0..99 |
542 |
mVolume = mpDisk->ReadInt8(); |
543 |
// 27 vel>volume 20 -50..50 |
544 |
mVelocityToVolume = mpDisk->ReadInt8(); |
545 |
// 28 key>volume 0 -50..50 |
546 |
mKeyToVolume = mpDisk->ReadInt8(); |
547 |
// 29 pres>volume 0 -50..50 |
548 |
mPressureToVolume = mpDisk->ReadInt8(); |
549 |
// 30 pan lfo rate 50 0..99 |
550 |
mPanLFORate = mpDisk->ReadInt8(); |
551 |
// 31 pan lfo depth 0 0..99 |
552 |
mPanLFODepth = mpDisk->ReadInt8(); |
553 |
// 32 pan lfo delay 0 0..99 |
554 |
mPanLFODelay = mpDisk->ReadInt8(); |
555 |
// 33 key>pan 0 -50..50 |
556 |
mKeyToPan = mpDisk->ReadInt8(); |
557 |
// 34 lfo rate 50 0..99 |
558 |
mLFORate = mpDisk->ReadInt8(); |
559 |
// 35 lfo depth 0 0..99 |
560 |
mLFODepth = mpDisk->ReadInt8(); |
561 |
// 36 lfo delay 0 0..99 |
562 |
mLFODelay = mpDisk->ReadInt8(); |
563 |
// 37 mod>lfo depth 30 0..99 |
564 |
mModulationToLFODepth = mpDisk->ReadInt8(); |
565 |
// 38 pres>lfo depth 0 0..99 |
566 |
mPressureToLFODepth = mpDisk->ReadInt8(); |
567 |
// 39 vel>lfo depth 0 0..99 |
568 |
mVelocityToLFODepth = mpDisk->ReadInt8(); |
569 |
// 40 bend>pitch 2 0..12 semitones |
570 |
mBendToPitch = mpDisk->ReadInt8(); |
571 |
// 41 pres>pitch 0 -12..12 semitones |
572 |
mPressureToPitch = mpDisk->ReadInt8(); |
573 |
// 42 keygroup crossfade 0 0=OFF 1=ON |
574 |
mKeygroupCrossfade = mpDisk->ReadInt8()?true:false; |
575 |
// 43 number of keygroups 1 1..99 |
576 |
mNumberOfKeygroups = mpDisk->ReadInt8(); |
577 |
// 44 (internal use) 0 program number |
578 |
mpDisk->ReadInt8(); |
579 |
// 45-56 key temperament C,C#,D... 0 -25..25 cents |
580 |
uint i; |
581 |
for (i = 0; i<11; i++) |
582 |
mKeyTemperament[i] = mpDisk->ReadInt8(); |
583 |
// 57 fx output 0 0=OFF 1=ON |
584 |
mFXOutput = mpDisk->ReadInt8()?true:false; |
585 |
// 58 mod>pan 0 -50..50 |
586 |
mModulationToPan = mpDisk->ReadInt8(); |
587 |
// 59 stereo coherence 0 0=OFF 1=ON |
588 |
mStereoCoherence = mpDisk->ReadInt8()?true:false; |
589 |
// 60 lfo desync 1 0=OFF 1=ON |
590 |
mLFODesync = mpDisk->ReadInt8()?true:false; |
591 |
// 61 pitch law 0 0=LINEAR |
592 |
mPitchLaw = mpDisk->ReadInt8(); |
593 |
// 62 voice re-assign 0 0=OLDEST 1=QUIETEST |
594 |
mVoiceReassign = mpDisk->ReadInt8(); |
595 |
// 63 softped>volume 10 0..99 |
596 |
mSoftpedToVolume = mpDisk->ReadInt8(); |
597 |
// 64 softped>attack 10 0..99 |
598 |
mSoftpedToAttack = mpDisk->ReadInt8(); |
599 |
// 65 softped>filt 10 0..99 |
600 |
mSoftpedToFilter = mpDisk->ReadInt8(); |
601 |
// 66 tune cents 0 -128..127 (-50..50 cents) |
602 |
mSoftpedToTuneCents = mpDisk->ReadInt8(); |
603 |
// 67 tune semitones 0 -50..50 |
604 |
mSoftpedToTuneSemitones = mpDisk->ReadInt8(); |
605 |
// 68 key>lfo rate 0 -50..50 |
606 |
mKeyToLFORate = mpDisk->ReadInt8(); |
607 |
// 69 key>lfo depth 0 -50..50 |
608 |
mKeyToLFODepth = mpDisk->ReadInt8(); |
609 |
// 70 key>lfo delay 0 -50..50 |
610 |
mKeyToLFODelay = mpDisk->ReadInt8(); |
611 |
// 71 voice output scale 1 0=-6dB 1=0dB 2=+12dB |
612 |
mVoiceOutputScale = mpDisk->ReadInt8(); |
613 |
// 72 stereo output scale 0 0=0dB 1=+6dB |
614 |
mStereoOutputScale = mpDisk->ReadInt8(); |
615 |
// 73-150 (not used) |
616 |
|
617 |
// Read the key groups: |
618 |
if (mpKeygroups) |
619 |
delete[] mpKeygroups; |
620 |
mpKeygroups = new AkaiKeygroup[mNumberOfKeygroups]; |
621 |
for (i = 0; i < mNumberOfKeygroups; i++) |
622 |
{ |
623 |
// Go where the key group is on the disk: |
624 |
mpDisk->SetPos(mpParent->GetParent()->GetOffset() + mDirEntry.mStart * AKAI_BLOCK_SIZE + 150 * (i+1)); |
625 |
if (!mpKeygroups[i].Load(mpDisk)) |
626 |
{ |
627 |
mpDisk->SetPos(temppos); |
628 |
return false; |
629 |
} |
630 |
} |
631 |
|
632 |
mpDisk->SetPos(temppos); |
633 |
return true; |
634 |
} |
635 |
|
636 |
uint AkaiProgram::ListSamples(std::list<String>& rSamples) |
637 |
{ |
638 |
return 0; |
639 |
} |
640 |
|
641 |
AkaiSample* AkaiProgram::GetSample(uint Index) |
642 |
{ |
643 |
return NULL; |
644 |
} |
645 |
|
646 |
AkaiSample* AkaiProgram::GetSample(const String& rName) |
647 |
{ |
648 |
return NULL; |
649 |
} |
650 |
|
651 |
// AkaiKeygroup: |
652 |
bool AkaiKeygroup::Load(DiskImage* pDisk) |
653 |
{ |
654 |
uint i; |
655 |
// byte description default range/comments |
656 |
// --------------------------------------------------------------------------- |
657 |
// 1 keygroup ID 2 |
658 |
if (pDisk->ReadInt8() != AKAI_KEYGROUP_ID) |
659 |
return false; |
660 |
// 2-3 next keygroup address 44,1 300,450,600,750.. (16-bit) |
661 |
uint16_t NextKeygroupAddress = pDisk->ReadInt16(); |
662 |
// 4 low key 24 24..127 |
663 |
mLowKey = pDisk->ReadInt8(); |
664 |
// 5 high key 127 24..127 |
665 |
mHighKey = pDisk->ReadInt8(); |
666 |
// 6 tune cents 0 -128..127 (-50..50 cents) |
667 |
mTuneCents = pDisk->ReadInt8(); |
668 |
// 7 tune semitones 0 -50..50 |
669 |
mTuneSemitones = pDisk->ReadInt8(); |
670 |
// 8 filter 99 0..99 |
671 |
mFilter = pDisk->ReadInt8(); |
672 |
// 9 key>filter 12 0..24 semitone/oct |
673 |
mKeyToFilter = pDisk->ReadInt8(); |
674 |
// 10 vel>filt 0 -50..50 |
675 |
mVelocityToFilter = pDisk->ReadInt8(); |
676 |
// 11 pres>filt 0 -50..50 |
677 |
mPressureToFilter = pDisk->ReadInt8(); |
678 |
// 12 env2>filt 0 -50..50 |
679 |
mEnveloppe2ToFilter = pDisk->ReadInt8(); |
680 |
|
681 |
// 13 env1 attack 0 0..99 |
682 |
// 14 env1 decay 30 0..99 |
683 |
// 15 env1 sustain 99 0..99 |
684 |
// 16 env1 release 45 0..99 |
685 |
// 17 env1 vel>attack 0 -50..50 |
686 |
// 18 env1 vel>release 0 -50..50 |
687 |
// 19 env1 offvel>release 0 -50..50 |
688 |
// 20 env1 key>dec&rel 0 -50..50 |
689 |
// 21 env2 attack 0 0..99 |
690 |
// 22 env2 decay 50 0..99 |
691 |
// 23 env2 sustain 99 0..99 |
692 |
// 24 env2 release 45 0..99 |
693 |
// 25 env2 vel>attack 0 -50..50 |
694 |
// 26 env2 vel>release 0 -50..50 |
695 |
// 27 env2 offvel>release 0 -50..50 |
696 |
// 28 env2 key>dec&rel 0 -50..50 |
697 |
for (i=0; i<2; i++) |
698 |
mEnveloppes[i].Load(pDisk); |
699 |
|
700 |
// 29 vel>env2>filter 0 -50..50 |
701 |
mVelocityToEnveloppe2ToFilter = pDisk->ReadInt8(); |
702 |
// 30 env2>pitch 0 -50..50 |
703 |
mEnveloppe2ToPitch = pDisk->ReadInt8(); |
704 |
// 31 vel zone crossfade 1 0=OFF 1=ON |
705 |
mVelocityZoneCrossfade = pDisk->ReadInt8()?true:false; |
706 |
// 32 vel zones used 4 |
707 |
mVelocityZoneUsed = pDisk->ReadInt8(); |
708 |
// 33 (internal use) 255 |
709 |
pDisk->ReadInt8(); |
710 |
// 34 (internal use) 255 |
711 |
pDisk->ReadInt8(); |
712 |
// |
713 |
|
714 |
// 35-46 sample 1 name 10,10,10... AKAII character set |
715 |
// 47 low vel 0 0..127 |
716 |
// 48 high vel 127 0..127 |
717 |
// 49 tune cents 0 -128..127 (-50..50 cents) |
718 |
// 50 tune semitones 0 -50..50 |
719 |
// 51 loudness 0 -50..+50 |
720 |
// 52 filter 0 -50..+50 |
721 |
// 53 pan 0 -50..+50 |
722 |
// 54 loop mode 0 0=AS_SAMPLE 1=LOOP_IN_REL |
723 |
// 2=LOOP_UNTIL_REL 3=NO_LOOP |
724 |
// 4=PLAY_TO_END |
725 |
// 55 (internal use) 255 |
726 |
// 56 (internal use) 255 |
727 |
// 57-58 (internal use) 44,1 |
728 |
// |
729 |
// 59-82 [repeat 35-58 for sample 2] |
730 |
// |
731 |
// 83-106 [repeat 35-58 for sample 3] |
732 |
// |
733 |
// 107-130 [repeat 35-58 for sample 4] |
734 |
// |
735 |
for (i=0; i<4; i++) |
736 |
mSamples[i].Load(pDisk); |
737 |
|
738 |
// 131 beat detune 0 -50..50 |
739 |
mBeatDetune = pDisk->ReadInt8(); |
740 |
// 132 hold attack until loop 0 0=OFF 1=ON |
741 |
mHoldAttackUntilLoop = pDisk->ReadInt8()?true:false; |
742 |
// 133-136 sample 1-4 key tracking 0 0=TRACK 1=FIXED |
743 |
for (i=0; i<4; i++) |
744 |
mSampleKeyTracking[i] = pDisk->ReadInt8()?true:false; |
745 |
// 137-140 sample 1-4 aux out offset 0 0..7 |
746 |
for (i=0; i<4; i++) |
747 |
mSampleAuxOutOffset[i] = pDisk->ReadInt8(); |
748 |
// 141-148 vel>sample start 0 -9999..9999 (16-bit signed) |
749 |
for (i=0; i<4; i++) |
750 |
mVelocityToSampleStart[i] = pDisk->ReadInt8(); |
751 |
// 149 vel>volume offset 0 -50..50 |
752 |
for (i=0; i<4; i++) |
753 |
mVelocityToVolumeOffset[i] = pDisk->ReadInt8(); |
754 |
// 150 (not used) |
755 |
|
756 |
return true; |
757 |
} |
758 |
|
759 |
bool AkaiEnveloppe::Load(DiskImage* pDisk) |
760 |
{ |
761 |
// 13 env1 attack 0 0..99 |
762 |
mAttack = pDisk->ReadInt8(); |
763 |
// 14 env1 decay 30 0..99 |
764 |
mDecay = pDisk->ReadInt8(); |
765 |
// 15 env1 sustain 99 0..99 |
766 |
mSustain = pDisk->ReadInt8(); |
767 |
// 16 env1 release 45 0..99 |
768 |
mRelease = pDisk->ReadInt8(); |
769 |
// 17 env1 vel>attack 0 -50..50 |
770 |
mVelocityToAttack = pDisk->ReadInt8(); |
771 |
// 18 env1 vel>release 0 -50..50 |
772 |
mVelocityToRelease = pDisk->ReadInt8(); |
773 |
// 19 env1 offvel>release 0 -50..50 |
774 |
mOffVelocityToRelease = pDisk->ReadInt8(); |
775 |
// 20 env1 key>dec&rel 0 -50..50 |
776 |
mKeyToDecayAndRelease = pDisk->ReadInt8(); |
777 |
return true; |
778 |
} |
779 |
|
780 |
bool AkaiKeygroupSample::Load(DiskImage* pDisk) |
781 |
{ |
782 |
// 35-46 sample 1 name 10,10,10... AKAII character set |
783 |
char buffer[13]; |
784 |
pDisk->Read(buffer, 12, 1); |
785 |
AkaiToAscii(buffer, 12); |
786 |
mName = buffer; |
787 |
|
788 |
// 47 low vel 0 0..127 |
789 |
mLowLevel = pDisk->ReadInt8(); |
790 |
// 48 high vel 127 0..127 |
791 |
uint8_t mHighLevel = pDisk->ReadInt8(); |
792 |
// 49 tune cents 0 -128..127 (-50..50 cents) |
793 |
int8_t mTuneCents = pDisk->ReadInt8(); |
794 |
// 50 tune semitones 0 -50..50 |
795 |
int8_t mTuneSemitones = pDisk->ReadInt8(); |
796 |
// 51 loudness 0 -50..+50 |
797 |
int8_t mLoudness = pDisk->ReadInt8(); |
798 |
// 52 filter 0 -50..+50 |
799 |
int8_t mFilter = pDisk->ReadInt8(); |
800 |
// 53 pan 0 -50..+50 |
801 |
int8_t mPan = pDisk->ReadInt8(); |
802 |
// 54 loop mode 0 0=AS_SAMPLE 1=LOOP_IN_REL |
803 |
// 2=LOOP_UNTIL_REL 3=NO_LOOP |
804 |
// 4=PLAY_TO_END |
805 |
uint8_t mLoopMode = pDisk->ReadInt8(); |
806 |
// 55 (internal use) 255 |
807 |
pDisk->ReadInt8(); |
808 |
// 56 (internal use) 255 |
809 |
pDisk->ReadInt8(); |
810 |
// 57-58 (internal use) 44,1 |
811 |
pDisk->ReadInt16(); |
812 |
// |
813 |
|
814 |
return true; |
815 |
} |
816 |
|
817 |
////////////////////////////////// |
818 |
// AkaiVolume: |
819 |
AkaiVolume::AkaiVolume(DiskImage* pDisk, AkaiPartition* pParent, const AkaiDirEntry& DirEntry) |
820 |
: AkaiDiskElement() |
821 |
{ |
822 |
mpDisk = pDisk; |
823 |
mpParent = pParent; |
824 |
mDirEntry = DirEntry; |
825 |
|
826 |
if (mDirEntry.mType != AKAI_TYPE_DIR_S1000 && mDirEntry.mType != AKAI_TYPE_DIR_S3000) |
827 |
{ |
828 |
printf("Creating Unknown Volume type! %d\n",mDirEntry.mType); |
829 |
#ifdef WIN32 |
830 |
OutputDebugString("Creating Unknown Volume type!\n"); |
831 |
#endif |
832 |
} |
833 |
} |
834 |
|
835 |
AkaiVolume::~AkaiVolume() |
836 |
{ |
837 |
{ |
838 |
std::list<AkaiProgram*>::iterator it; |
839 |
std::list<AkaiProgram*>::iterator end = mpPrograms.end(); |
840 |
for (it = mpPrograms.begin(); it != end; it++) |
841 |
if (*it) |
842 |
(*it)->Release(); |
843 |
} |
844 |
|
845 |
{ |
846 |
std::list<AkaiSample*>::iterator it; |
847 |
std::list<AkaiSample*>::iterator end = mpSamples.end(); |
848 |
for (it = mpSamples.begin(); it != end; it++) |
849 |
if (*it) |
850 |
(*it)->Release(); |
851 |
} |
852 |
} |
853 |
|
854 |
uint AkaiVolume::ReadDir() |
855 |
{ |
856 |
uint i; |
857 |
if (mpPrograms.empty()) |
858 |
{ |
859 |
uint maxfiles = ReadFAT(mpDisk, mpParent,mDirEntry.mStart) ? AKAI_MAX_FILE_ENTRIES_S1000 : AKAI_MAX_FILE_ENTRIES_S3000; |
860 |
for (i = 0; i < maxfiles; i++) |
861 |
{ |
862 |
AkaiDirEntry DirEntry; |
863 |
ReadDirEntry(mpDisk, mpParent, DirEntry, mDirEntry.mStart, i); |
864 |
DirEntry.mIndex = i; |
865 |
if (DirEntry.mType == 'p') |
866 |
{ |
867 |
AkaiProgram* pProgram = new AkaiProgram(mpDisk, this, DirEntry); |
868 |
pProgram->Acquire(); |
869 |
mpPrograms.push_back(pProgram); |
870 |
} |
871 |
else if (DirEntry.mType == 's') |
872 |
{ |
873 |
AkaiSample* pSample = new AkaiSample(mpDisk, this, DirEntry); |
874 |
pSample->Acquire(); |
875 |
mpSamples.push_back(pSample); |
876 |
} |
877 |
} |
878 |
} |
879 |
return (uint)(mpPrograms.size() + mpSamples.size()); |
880 |
} |
881 |
|
882 |
uint AkaiVolume::ListPrograms(std::list<AkaiDirEntry>& rPrograms) |
883 |
{ |
884 |
rPrograms.clear(); |
885 |
ReadDir(); |
886 |
|
887 |
std::list<AkaiProgram*>::iterator it; |
888 |
std::list<AkaiProgram*>::iterator end = mpPrograms.end(); |
889 |
for (it = mpPrograms.begin(); it != end; it++) |
890 |
if (*it) |
891 |
rPrograms.push_back((*it)->GetDirEntry()); |
892 |
return (uint)rPrograms.size(); |
893 |
} |
894 |
|
895 |
AkaiProgram* AkaiVolume::GetProgram(uint Index) |
896 |
{ |
897 |
uint i = 0; |
898 |
|
899 |
if (mpPrograms.empty()) |
900 |
{ |
901 |
std::list<AkaiDirEntry> dummy; |
902 |
ListPrograms(dummy); |
903 |
} |
904 |
|
905 |
std::list<AkaiProgram*>::iterator it; |
906 |
std::list<AkaiProgram*>::iterator end = mpPrograms.end(); |
907 |
for (it = mpPrograms.begin(); it != end; it++) |
908 |
{ |
909 |
if (*it && i == Index) |
910 |
{ |
911 |
(*it)->Acquire(); |
912 |
return *it; |
913 |
} |
914 |
i++; |
915 |
} |
916 |
return NULL; |
917 |
} |
918 |
|
919 |
AkaiProgram* AkaiVolume::GetProgram(const String& rName) |
920 |
{ |
921 |
if (mpPrograms.empty()) |
922 |
{ |
923 |
std::list<AkaiDirEntry> dummy; |
924 |
ListPrograms(dummy); |
925 |
} |
926 |
|
927 |
std::list<AkaiProgram*>::iterator it; |
928 |
std::list<AkaiProgram*>::iterator end = mpPrograms.end(); |
929 |
for (it = mpPrograms.begin(); it != end; it++) |
930 |
{ |
931 |
if (*it && rName == (*it)->GetDirEntry().mName) |
932 |
{ |
933 |
(*it)->Acquire(); |
934 |
return *it; |
935 |
} |
936 |
} |
937 |
return NULL; |
938 |
} |
939 |
|
940 |
uint AkaiVolume::ListSamples(std::list<AkaiDirEntry>& rSamples) |
941 |
{ |
942 |
rSamples.clear(); |
943 |
ReadDir(); |
944 |
|
945 |
std::list<AkaiSample*>::iterator it; |
946 |
std::list<AkaiSample*>::iterator end = mpSamples.end(); |
947 |
for (it = mpSamples.begin(); it != end; it++) |
948 |
if (*it) |
949 |
rSamples.push_back((*it)->GetDirEntry()); |
950 |
return (uint)rSamples.size(); |
951 |
} |
952 |
|
953 |
AkaiSample* AkaiVolume::GetSample(uint Index) |
954 |
{ |
955 |
uint i = 0; |
956 |
|
957 |
if (mpSamples.empty()) |
958 |
{ |
959 |
std::list<AkaiDirEntry> dummy; |
960 |
ListSamples(dummy); |
961 |
} |
962 |
|
963 |
std::list<AkaiSample*>::iterator it; |
964 |
std::list<AkaiSample*>::iterator end = mpSamples.end(); |
965 |
for (it = mpSamples.begin(); it != end; it++) |
966 |
{ |
967 |
if (*it && i == Index) |
968 |
{ |
969 |
(*it)->Acquire(); |
970 |
return *it; |
971 |
} |
972 |
i++; |
973 |
} |
974 |
return NULL; |
975 |
} |
976 |
|
977 |
AkaiSample* AkaiVolume::GetSample(const String& rName) |
978 |
{ |
979 |
if (mpSamples.empty()) |
980 |
{ |
981 |
std::list<AkaiDirEntry> dummy; |
982 |
ListSamples(dummy); |
983 |
} |
984 |
|
985 |
std::list<AkaiSample*>::iterator it; |
986 |
std::list<AkaiSample*>::iterator end = mpSamples.end(); |
987 |
for (it = mpSamples.begin(); it != end; it++) |
988 |
{ |
989 |
if (*it && rName == (*it)->GetDirEntry().mName) |
990 |
{ |
991 |
(*it)->Acquire(); |
992 |
return *it; |
993 |
} |
994 |
} |
995 |
return NULL; |
996 |
} |
997 |
|
998 |
AkaiDirEntry AkaiVolume::GetDirEntry() |
999 |
{ |
1000 |
return mDirEntry; |
1001 |
} |
1002 |
|
1003 |
bool AkaiVolume::IsEmpty() |
1004 |
{ |
1005 |
return ReadDir() == 0; |
1006 |
} |
1007 |
|
1008 |
|
1009 |
////////////////////////////////// |
1010 |
// AkaiPartition: |
1011 |
AkaiPartition::AkaiPartition(DiskImage* pDisk, AkaiDisk* pParent) |
1012 |
{ |
1013 |
mpDisk = pDisk; |
1014 |
mpParent = pParent; |
1015 |
} |
1016 |
|
1017 |
AkaiPartition::~AkaiPartition() |
1018 |
{ |
1019 |
std::list<AkaiVolume*>::iterator it; |
1020 |
std::list<AkaiVolume*>::iterator end = mpVolumes.end(); |
1021 |
for (it = mpVolumes.begin(); it != end; it++) |
1022 |
if (*it) |
1023 |
(*it)->Release(); |
1024 |
} |
1025 |
|
1026 |
uint AkaiPartition::ListVolumes(std::list<AkaiDirEntry>& rVolumes) |
1027 |
{ |
1028 |
rVolumes.clear(); |
1029 |
uint i; |
1030 |
if (mpVolumes.empty()) |
1031 |
{ |
1032 |
for (i = 0; i < AKAI_MAX_DIR_ENTRIES; i++) |
1033 |
{ |
1034 |
AkaiDirEntry DirEntry; |
1035 |
ReadDirEntry(mpDisk, this, DirEntry, AKAI_ROOT_ENTRY_OFFSET, i); |
1036 |
DirEntry.mIndex = i; |
1037 |
if (DirEntry.mType == AKAI_TYPE_DIR_S1000 || DirEntry.mType == AKAI_TYPE_DIR_S3000) |
1038 |
{ |
1039 |
AkaiVolume* pVolume = new AkaiVolume(mpDisk, this, DirEntry); |
1040 |
pVolume->Acquire(); |
1041 |
if (!pVolume->IsEmpty()) |
1042 |
{ |
1043 |
mpVolumes.push_back(pVolume); |
1044 |
rVolumes.push_back(DirEntry); |
1045 |
} |
1046 |
else |
1047 |
pVolume->Release(); |
1048 |
} |
1049 |
} |
1050 |
} |
1051 |
else |
1052 |
{ |
1053 |
std::list<AkaiVolume*>::iterator it; |
1054 |
std::list<AkaiVolume*>::iterator end = mpVolumes.end(); |
1055 |
for (it = mpVolumes.begin(); it != end; it++) |
1056 |
if (*it) |
1057 |
rVolumes.push_back((*it)->GetDirEntry()); |
1058 |
} |
1059 |
return (uint)rVolumes.size(); |
1060 |
} |
1061 |
|
1062 |
AkaiVolume* AkaiPartition::GetVolume(uint Index) |
1063 |
{ |
1064 |
uint i = 0; |
1065 |
|
1066 |
if (mpVolumes.empty()) |
1067 |
{ |
1068 |
std::list<AkaiDirEntry> dummy; |
1069 |
ListVolumes(dummy); |
1070 |
} |
1071 |
|
1072 |
std::list<AkaiVolume*>::iterator it; |
1073 |
std::list<AkaiVolume*>::iterator end = mpVolumes.end(); |
1074 |
for (it = mpVolumes.begin(); it != end; it++) |
1075 |
{ |
1076 |
if (*it && i == Index) |
1077 |
{ |
1078 |
(*it)->Acquire(); |
1079 |
return *it; |
1080 |
} |
1081 |
i++; |
1082 |
} |
1083 |
return NULL; |
1084 |
} |
1085 |
|
1086 |
AkaiVolume* AkaiPartition::GetVolume(const String& rName) |
1087 |
{ |
1088 |
if (mpVolumes.empty()) |
1089 |
{ |
1090 |
std::list<AkaiDirEntry> dummy; |
1091 |
ListVolumes(dummy); |
1092 |
} |
1093 |
|
1094 |
std::list<AkaiVolume*>::iterator it; |
1095 |
std::list<AkaiVolume*>::iterator end = mpVolumes.end(); |
1096 |
for (it = mpVolumes.begin(); it != end; it++) |
1097 |
{ |
1098 |
if (*it && rName == (*it)->GetDirEntry().mName) |
1099 |
{ |
1100 |
(*it)->Acquire(); |
1101 |
return *it; |
1102 |
} |
1103 |
} |
1104 |
return NULL; |
1105 |
} |
1106 |
|
1107 |
bool AkaiPartition::IsEmpty() |
1108 |
{ |
1109 |
std::list<AkaiDirEntry> Volumes; |
1110 |
return ListVolumes(Volumes) == 0; |
1111 |
} |
1112 |
|
1113 |
|
1114 |
////////////////////////////////// |
1115 |
// AkaiDisk: |
1116 |
AkaiDisk::AkaiDisk(DiskImage* pDisk) |
1117 |
{ |
1118 |
mpDisk = pDisk; |
1119 |
} |
1120 |
|
1121 |
AkaiDisk::~AkaiDisk() |
1122 |
{ |
1123 |
std::list<AkaiPartition*>::iterator it; |
1124 |
std::list<AkaiPartition*>::iterator end = mpPartitions.end(); |
1125 |
for (it = mpPartitions.begin(); it != end ; it++) |
1126 |
if (*it) |
1127 |
(*it)->Release(); |
1128 |
} |
1129 |
|
1130 |
uint AkaiDisk::GetPartitionCount() |
1131 |
{ |
1132 |
if (!mpPartitions.empty()) |
1133 |
return (uint)mpPartitions.size(); |
1134 |
|
1135 |
uint offset = 0; |
1136 |
uint16_t size = 0; |
1137 |
while (size != AKAI_PARTITION_END_MARK && size != 0x0fff && size != 0xffff |
1138 |
&& size<30720 && mpPartitions.size()<9) |
1139 |
{ |
1140 |
// printf("size: %x\t",size); |
1141 |
AkaiPartition* pPartition = new AkaiPartition(mpDisk,this); |
1142 |
pPartition->Acquire(); |
1143 |
pPartition->SetOffset(offset); |
1144 |
|
1145 |
if (!pPartition->IsEmpty()) |
1146 |
{ |
1147 |
mpPartitions.push_back(pPartition); // Add this partitions' offset to the list. |
1148 |
} |
1149 |
|
1150 |
mpDisk->SetPos(offset); |
1151 |
if (!mpDisk->ReadInt16(&size)) |
1152 |
return (uint)mpPartitions.size(); |
1153 |
uint t = size; |
1154 |
offset += AKAI_BLOCK_SIZE * t; |
1155 |
// printf("new offset %d / size %d\n",offset,size); |
1156 |
} |
1157 |
|
1158 |
return (uint)mpPartitions.size(); |
1159 |
} |
1160 |
|
1161 |
AkaiPartition* AkaiDisk::GetPartition(uint count) |
1162 |
{ |
1163 |
std::list<AkaiPartition*>::iterator it; |
1164 |
std::list<AkaiPartition*>::iterator end = mpPartitions.end(); |
1165 |
uint i = 0; |
1166 |
for (i = 0, it = mpPartitions.begin(); it != end && i != count; i++) it++; |
1167 |
|
1168 |
if (i != count || it == end) |
1169 |
return NULL; |
1170 |
|
1171 |
(*it)->Acquire(); |
1172 |
return *it; |
1173 |
} |
1174 |
|
1175 |
///////////////////////// |
1176 |
// AkaiDiskElement |
1177 |
|
1178 |
int AkaiDiskElement::ReadFAT(DiskImage* pDisk, AkaiPartition* pPartition, int block) |
1179 |
{ |
1180 |
int16_t value = 0; |
1181 |
pDisk->SetPos(pPartition->GetOffset()+AKAI_FAT_OFFSET + block*2); |
1182 |
pDisk->Read(&value, 2,1); |
1183 |
return value; |
1184 |
} |
1185 |
|
1186 |
|
1187 |
bool AkaiDiskElement::ReadDirEntry(DiskImage* pDisk, AkaiPartition* pPartition, AkaiDirEntry& rEntry, int block, int pos) |
1188 |
{ |
1189 |
char buffer[13]; |
1190 |
|
1191 |
if (block == AKAI_ROOT_ENTRY_OFFSET) |
1192 |
{ |
1193 |
pDisk->SetPos(pPartition->GetOffset()+AKAI_DIR_ENTRY_OFFSET + pos * AKAI_DIR_ENTRY_SIZE); |
1194 |
pDisk->Read(buffer, 12, 1); |
1195 |
AkaiToAscii(buffer, 12); |
1196 |
rEntry.mName = buffer; |
1197 |
|
1198 |
pDisk->ReadInt16(&rEntry.mType); |
1199 |
pDisk->ReadInt16(&rEntry.mStart); |
1200 |
rEntry.mSize = 0; |
1201 |
return true; |
1202 |
} |
1203 |
else |
1204 |
{ |
1205 |
if (pos < 341) |
1206 |
{ |
1207 |
pDisk->SetPos(block * AKAI_BLOCK_SIZE + pos * AKAI_FILE_ENTRY_SIZE + pPartition->GetOffset()); |
1208 |
} |
1209 |
else |
1210 |
{ |
1211 |
int temp; |
1212 |
temp = ReadFAT(pDisk, pPartition, block); |
1213 |
pDisk->SetPos(pPartition->GetOffset()+temp * AKAI_BLOCK_SIZE + (pos - 341) * AKAI_FILE_ENTRY_SIZE); |
1214 |
} |
1215 |
|
1216 |
pDisk->Read(buffer, 12, 1); |
1217 |
AkaiToAscii(buffer, 12); |
1218 |
rEntry.mName = buffer; |
1219 |
|
1220 |
uint8_t t1,t2,t3; |
1221 |
pDisk->SetPos(4,akai_stream_curpos); |
1222 |
pDisk->Read(&t1, 1,1); |
1223 |
rEntry.mType = t1; |
1224 |
|
1225 |
pDisk->Read(&t1, 1,1); |
1226 |
pDisk->Read(&t2, 1,1); |
1227 |
pDisk->Read(&t3, 1,1); |
1228 |
rEntry.mSize = (unsigned char)t1 | ((unsigned char)t2 <<8) | ((unsigned char)t3<<16); |
1229 |
|
1230 |
pDisk->ReadInt16(&rEntry.mStart,1); |
1231 |
return true; |
1232 |
} // not root block |
1233 |
} |
1234 |
|
1235 |
void AkaiDiskElement::AkaiToAscii(char * buffer, int length) |
1236 |
{ |
1237 |
int i; |
1238 |
|
1239 |
for (i = 0; i < length; i++) |
1240 |
{ |
1241 |
if (buffer[i]>=0 && buffer[i]<=9) |
1242 |
buffer[i] +=48; |
1243 |
else if (buffer[i]==10) |
1244 |
buffer[i] = 32; |
1245 |
else if (buffer[i]>=11 && buffer[i]<=36) |
1246 |
buffer[i] = 64+(buffer[i]-10); |
1247 |
else |
1248 |
buffer[i] = 32; |
1249 |
} |
1250 |
buffer[length] = '\0'; |
1251 |
while (length-- > 0 && buffer[length] == 32) |
1252 |
{ |
1253 |
// This block intentionaly left blank :) |
1254 |
} |
1255 |
buffer[length+1] = '\0'; |
1256 |
} |
1257 |
|
1258 |
|
1259 |
////////////////////////////////// |
1260 |
// DiskImage: |
1261 |
|
1262 |
DiskImage::DiskImage(const char* path) |
1263 |
{ |
1264 |
Init(); |
1265 |
OpenStream(path); |
1266 |
} |
1267 |
|
1268 |
#ifdef _CARBON_ |
1269 |
kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator ) |
1270 |
{ |
1271 |
kern_return_t kernResult; |
1272 |
mach_port_t masterPort; |
1273 |
CFMutableDictionaryRef classesToMatch; |
1274 |
|
1275 |
kernResult = IOMasterPort( MACH_PORT_NULL, &masterPort ); |
1276 |
if ( KERN_SUCCESS != kernResult ) |
1277 |
{ |
1278 |
printf( "IOMasterPort returned %d\n", kernResult ); |
1279 |
} |
1280 |
|
1281 |
classesToMatch = IOServiceMatching( kIOCDMediaClass ); |
1282 |
if ( classesToMatch == NULL ) |
1283 |
{ |
1284 |
printf( "IOServiceMatching returned a NULL dictionary.\n" ); |
1285 |
} |
1286 |
else |
1287 |
{ |
1288 |
CFDictionarySetValue( classesToMatch, CFSTR( kIOMediaEjectableKey ), kCFBooleanTrue ); |
1289 |
} |
1290 |
|
1291 |
kernResult = IOServiceGetMatchingServices( masterPort, classesToMatch, mediaIterator ); |
1292 |
if ( KERN_SUCCESS != kernResult ) |
1293 |
{ |
1294 |
printf( "IOServiceGetMatchingServices returned %d\n", kernResult ); |
1295 |
} |
1296 |
|
1297 |
return kernResult; |
1298 |
} |
1299 |
|
1300 |
kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFIndex maxPathSize ) |
1301 |
{ |
1302 |
io_object_t nextMedia; |
1303 |
kern_return_t kernResult = KERN_FAILURE; |
1304 |
|
1305 |
*bsdPath = '\0'; |
1306 |
|
1307 |
nextMedia = IOIteratorNext( mediaIterator ); |
1308 |
if ( nextMedia ) |
1309 |
{ |
1310 |
CFTypeRef bsdPathAsCFString; |
1311 |
|
1312 |
bsdPathAsCFString = IORegistryEntryCreateCFProperty( nextMedia, |
1313 |
CFSTR( kIOBSDNameKey ), |
1314 |
kCFAllocatorDefault, |
1315 |
0 ); |
1316 |
if ( bsdPathAsCFString ) |
1317 |
{ |
1318 |
size_t devPathLength; |
1319 |
|
1320 |
strcpy( bsdPath, _PATH_DEV ); |
1321 |
strcat( bsdPath, "r" ); |
1322 |
|
1323 |
devPathLength = strlen( bsdPath ); |
1324 |
|
1325 |
if ( CFStringGetCString( (__CFString*)bsdPathAsCFString, |
1326 |
bsdPath + devPathLength, |
1327 |
maxPathSize - devPathLength, |
1328 |
kCFStringEncodingASCII ) ) |
1329 |
{ |
1330 |
printf( "BSD path: %s\n", bsdPath ); |
1331 |
kernResult = KERN_SUCCESS; |
1332 |
} |
1333 |
|
1334 |
CFRelease( bsdPathAsCFString ); |
1335 |
} |
1336 |
IOObjectRelease( nextMedia ); |
1337 |
} |
1338 |
|
1339 |
return kernResult; |
1340 |
} |
1341 |
|
1342 |
struct _CDMSF |
1343 |
{ |
1344 |
u_char minute; |
1345 |
u_char second; |
1346 |
u_char frame; |
1347 |
}; |
1348 |
|
1349 |
/* converting from minute-second to logical block entity */ |
1350 |
#define MSF_TO_LBA(msf) (((((msf).minute * 60UL) + (msf).second) * 75UL) + (msf).frame - 150) |
1351 |
|
1352 |
struct _CDTOC_Desc |
1353 |
{ |
1354 |
u_char session; |
1355 |
u_char ctrl_adr; /* typed to be machine and compiler independent */ |
1356 |
u_char tno; |
1357 |
u_char point; |
1358 |
struct _CDMSF address; |
1359 |
u_char zero; |
1360 |
struct _CDMSF p; |
1361 |
}; |
1362 |
|
1363 |
struct _CDTOC |
1364 |
{ |
1365 |
u_short length; /* in native cpu endian */ |
1366 |
u_char first_session; |
1367 |
u_char last_session; |
1368 |
struct _CDTOC_Desc trackdesc[1]; |
1369 |
}; |
1370 |
|
1371 |
static struct _CDTOC * ReadTOC (const char * devpath ) |
1372 |
{ |
1373 |
struct _CDTOC * toc_p = NULL; |
1374 |
io_iterator_t iterator = 0; |
1375 |
io_registry_entry_t service = 0; |
1376 |
CFDictionaryRef properties = 0; |
1377 |
CFDataRef data = 0; |
1378 |
mach_port_t port = 0; |
1379 |
char * devname; |
1380 |
if (( devname = strrchr( devpath, '/' )) != NULL ) |
1381 |
{ |
1382 |
++devname; |
1383 |
} |
1384 |
else |
1385 |
{ |
1386 |
devname = ( char *) devpath; |
1387 |
} |
1388 |
|
1389 |
if ( IOMasterPort(bootstrap_port, &port ) != KERN_SUCCESS ) |
1390 |
{ |
1391 |
printf( "IOMasterPort failed\n" ); goto Exit ; |
1392 |
} |
1393 |
if ( IOServiceGetMatchingServices( port, IOBSDNameMatching( port, 0, devname ), |
1394 |
&iterator ) != KERN_SUCCESS ) |
1395 |
{ |
1396 |
printf( "IOServiceGetMatchingServices failed\n" ); goto Exit ; |
1397 |
} |
1398 |
|
1399 |
char buffer[1024]; |
1400 |
IOObjectGetClass(iterator,buffer); |
1401 |
printf("Service: %s\n",buffer); |
1402 |
|
1403 |
|
1404 |
IOIteratorReset (iterator); |
1405 |
service = IOIteratorNext( iterator ); |
1406 |
|
1407 |
IOObjectRelease( iterator ); |
1408 |
|
1409 |
iterator = 0; |
1410 |
while ( service && !IOObjectConformsTo( service, "IOCDMedia" )) |
1411 |
{ |
1412 |
char buffer[1024]; |
1413 |
IOObjectGetClass(service,buffer); |
1414 |
printf("Service: %s\n",buffer); |
1415 |
|
1416 |
if ( IORegistryEntryGetParentIterator( service, kIOServicePlane, &iterator ) != KERN_SUCCESS ) |
1417 |
{ |
1418 |
printf( "IORegistryEntryGetParentIterator failed\n" ); |
1419 |
goto Exit ; |
1420 |
} |
1421 |
|
1422 |
IOObjectRelease( service ); |
1423 |
service = IOIteratorNext( iterator ); |
1424 |
IOObjectRelease( iterator ); |
1425 |
|
1426 |
} |
1427 |
if ( service == NULL ) |
1428 |
{ |
1429 |
printf( "CD media not found\n" ); goto Exit ; |
1430 |
} |
1431 |
if ( IORegistryEntryCreateCFProperties( service, (__CFDictionary **) &properties, |
1432 |
kCFAllocatorDefault, |
1433 |
kNilOptions ) != KERN_SUCCESS ) |
1434 |
{ |
1435 |
printf( "IORegistryEntryGetParentIterator failed\n" ); goto Exit ; |
1436 |
} |
1437 |
|
1438 |
data = (CFDataRef) CFDictionaryGetValue( properties, CFSTR( "TOC" ) ); |
1439 |
if ( data == NULL ) |
1440 |
{ |
1441 |
printf( "CFDictionaryGetValue failed\n" ); goto Exit ; |
1442 |
} |
1443 |
else |
1444 |
{ |
1445 |
|
1446 |
CFRange range; |
1447 |
CFIndex buflen; |
1448 |
|
1449 |
buflen = CFDataGetLength( data ) + 1; |
1450 |
range = CFRangeMake( 0, buflen ); |
1451 |
toc_p = ( struct _CDTOC *) malloc( buflen ); |
1452 |
if ( toc_p == NULL ) |
1453 |
{ |
1454 |
printf( "Out of memory\n" ); goto Exit ; |
1455 |
} |
1456 |
else |
1457 |
{ |
1458 |
CFDataGetBytes( data, range, ( unsigned char *) toc_p ); |
1459 |
} |
1460 |
|
1461 |
/* |
1462 |
fprintf( stderr, "Table of contents\n length %d first %d last %d\n", |
1463 |
toc_p->length, toc_p->first_session, toc_p->last_session ); |
1464 |
*/ |
1465 |
|
1466 |
CFRelease( properties ); |
1467 |
|
1468 |
} |
1469 |
Exit : |
1470 |
if ( service ) |
1471 |
{ |
1472 |
IOObjectRelease( service ); |
1473 |
} |
1474 |
|
1475 |
return toc_p; |
1476 |
} |
1477 |
#endif // _CARBON_ |
1478 |
|
1479 |
DiskImage::DiskImage(int disk) |
1480 |
{ |
1481 |
Init(); |
1482 |
#ifdef _WIN32_ |
1483 |
char buffer[1024]; |
1484 |
sprintf(buffer,"%c:\\",'A'+disk); |
1485 |
mSize = GetFileSize(buffer,NULL); |
1486 |
|
1487 |
sprintf(buffer,"\\\\.\\%c:",'a'+disk); |
1488 |
mFile = CreateFile(buffer, GENERIC_READ,0,NULL,OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS,NULL); |
1489 |
|
1490 |
DWORD junk; |
1491 |
DISK_GEOMETRY dg; |
1492 |
DISK_GEOMETRY* pdg = &dg; |
1493 |
BOOL res = DeviceIoControl(mFile, |
1494 |
IOCTL_DISK_GET_DRIVE_GEOMETRY, |
1495 |
NULL, 0, |
1496 |
pdg, sizeof(*pdg), |
1497 |
&junk, |
1498 |
NULL); |
1499 |
|
1500 |
if (res) |
1501 |
{ |
1502 |
mSize = dg.BytesPerSector * dg.SectorsPerTrack * dg.TracksPerCylinder * dg.Cylinders.LowPart; |
1503 |
mClusterSize = dg.BytesPerSector; |
1504 |
} |
1505 |
#elif defined(_CARBON_) || defined(__APPLE__) |
1506 |
kern_return_t kernResult; |
1507 |
io_iterator_t mediaIterator; |
1508 |
char bsdPath[ MAXPATHLEN ]; |
1509 |
kernResult = FindEjectableCDMedia( &mediaIterator ); |
1510 |
kernResult = GetBSDPath( mediaIterator, bsdPath, sizeof( bsdPath ) ); |
1511 |
if ( bsdPath[ 0 ] != '\0' ) |
1512 |
{ |
1513 |
strcpy(bsdPath,"/dev/rdisk1s0"); |
1514 |
|
1515 |
struct _CDTOC * toc = ReadTOC( bsdPath ); |
1516 |
if ( toc ) |
1517 |
{ |
1518 |
size_t toc_entries = ( toc->length - 2 ) / sizeof (struct _CDTOC_Desc ); |
1519 |
|
1520 |
int start_sector = -1; |
1521 |
int data_track = -1; |
1522 |
// Iterate through the list backward. Pick the first data track and |
1523 |
// get the address of the immediately previous (or following depending |
1524 |
// on how you look at it). The difference in the sector numbers |
1525 |
// is returned as the sized of the data track. |
1526 |
for (int i=toc_entries - 1; i>=0; i-- ) |
1527 |
{ |
1528 |
if ( start_sector != -1 ) |
1529 |
{ |
1530 |
start_sector = MSF_TO_LBA(toc->trackdesc[i].p) - start_sector; |
1531 |
break ; |
1532 |
|
1533 |
} |
1534 |
if (( toc->trackdesc[i].ctrl_adr >> 4) != 1 ) |
1535 |
continue ; |
1536 |
if ( toc->trackdesc[i].ctrl_adr & 0x04 ) |
1537 |
{ |
1538 |
data_track = toc->trackdesc[i].point; |
1539 |
start_sector = MSF_TO_LBA(toc->trackdesc[i].p); |
1540 |
} |
1541 |
} |
1542 |
|
1543 |
free( toc ); |
1544 |
if ( start_sector == -1 ) |
1545 |
{ |
1546 |
start_sector = 0; |
1547 |
} |
1548 |
} |
1549 |
// mSize = start_sector; |
1550 |
// printf("size %d\n",mSize); |
1551 |
|
1552 |
|
1553 |
mFile = open(bsdPath,O_RDONLY); |
1554 |
if (!mFile) |
1555 |
printf("Error while opening file: %s\n",bsdPath); |
1556 |
else |
1557 |
{ |
1558 |
printf("opened file: %s\n",bsdPath); |
1559 |
|
1560 |
mSize = lseek(mFile,1000000000,SEEK_SET); |
1561 |
printf("size %d\n",mSize); |
1562 |
lseek(mFile,0,SEEK_SET); |
1563 |
|
1564 |
mSize = 700 * 1024 * 1024; |
1565 |
|
1566 |
} |
1567 |
} |
1568 |
if ( mediaIterator ) |
1569 |
{ |
1570 |
IOObjectRelease( mediaIterator ); |
1571 |
} |
1572 |
#elif LINUX |
1573 |
OpenStream("/dev/cdrom"); |
1574 |
#endif |
1575 |
} |
1576 |
|
1577 |
void DiskImage::Init() |
1578 |
{ |
1579 |
mFile = 0; |
1580 |
mPos = 0; |
1581 |
mCluster = (uint)-1; |
1582 |
mStartFrame = -1; |
1583 |
mEndFrame = -1; |
1584 |
#ifdef WIN32 |
1585 |
mpCache = (char*) VirtualAlloc(NULL,mClusterSize,MEM_COMMIT,PAGE_READWRITE); |
1586 |
#else |
1587 |
mpCache = NULL; // we allocate the cache later when we know what type of media we access |
1588 |
#endif |
1589 |
} |
1590 |
|
1591 |
DiskImage::~DiskImage() |
1592 |
{ |
1593 |
#ifdef WIN32 |
1594 |
if (mFile != INVALID_HANDLE_VALUE) |
1595 |
{ |
1596 |
CloseHandle(mFile); |
1597 |
} |
1598 |
#elif defined _CARBON_ || defined(__APPLE__) || LINUX |
1599 |
if (mFile) |
1600 |
{ |
1601 |
close(mFile); |
1602 |
} |
1603 |
#endif |
1604 |
if (mpCache) |
1605 |
{ |
1606 |
#ifdef WIN32 |
1607 |
VirtualFree(mpCache, 0, MEM_RELEASE); |
1608 |
#elif defined(_CARBON_) || defined(__APPLE__) || LINUX |
1609 |
free(mpCache); |
1610 |
#endif |
1611 |
} |
1612 |
} |
1613 |
|
1614 |
akai_stream_state_t DiskImage::GetState() const |
1615 |
{ |
1616 |
if (!mFile) return akai_stream_closed; |
1617 |
if (mPos > mSize) return akai_stream_end_reached; |
1618 |
return akai_stream_ready; |
1619 |
} |
1620 |
|
1621 |
int DiskImage::GetPos() const |
1622 |
{ |
1623 |
return mPos; |
1624 |
} |
1625 |
|
1626 |
int DiskImage::SetPos(int Where, akai_stream_whence_t Whence) |
1627 |
{ |
1628 |
// printf("setpos %d\n",Where); |
1629 |
int w = Where; |
1630 |
switch (Whence) |
1631 |
{ |
1632 |
case akai_stream_start: |
1633 |
mPos = w; |
1634 |
break; |
1635 |
/*case eStreamRewind: |
1636 |
w = -w;*/ |
1637 |
case akai_stream_curpos: |
1638 |
mPos += w; |
1639 |
break; |
1640 |
case akai_stream_end: |
1641 |
mPos = mSize - w; |
1642 |
break; |
1643 |
} |
1644 |
// if (mPos > mSize) |
1645 |
// mPos = mSize; |
1646 |
if (mPos < 0) |
1647 |
mPos = 0; |
1648 |
return mPos; |
1649 |
} |
1650 |
|
1651 |
int DiskImage::Available (uint WordSize) |
1652 |
{ |
1653 |
return (mSize-mPos)/WordSize; |
1654 |
} |
1655 |
|
1656 |
int DiskImage::Read(void* pData, uint WordCount, uint WordSize) |
1657 |
{ |
1658 |
int readbytes = 0; |
1659 |
int sizetoread = WordCount * WordSize; |
1660 |
|
1661 |
while (sizetoread > 0) { |
1662 |
if (mSize <= mPos) return readbytes / WordSize; |
1663 |
int requestedCluster = (mRegularFile) ? mPos / mClusterSize |
1664 |
: mPos / mClusterSize + mStartFrame; |
1665 |
if (mCluster != requestedCluster) { // read the requested cluster into cache |
1666 |
mCluster = requestedCluster; |
1667 |
#ifdef WIN32 |
1668 |
if (mCluster * mClusterSize != SetFilePointer(mFile, mCluster * mClusterSize, NULL, FILE_BEGIN)) { |
1669 |
printf("ERROR: couldn't seek device!\n"); |
1670 |
if ((readbytes > 0) && (mEndian != eEndianNative)) { |
1671 |
switch (WordSize) { |
1672 |
case 2: bswap_16_s ((uint16*)pData, readbytes); break; |
1673 |
case 4: bswap_32_s ((uint32*)pData, readbytes); break; |
1674 |
case 8: bswap_64_s ((uint64*)pData, readbytes); break; |
1675 |
} |
1676 |
} |
1677 |
return readbytes / WordSize; |
1678 |
} |
1679 |
DWORD size; |
1680 |
ReadFile(mFile, mpCache, mClusterSize, &size, NULL); |
1681 |
#elif defined(_CARBON_) || defined(__APPLE__) || LINUX |
1682 |
if (mCluster * mClusterSize != lseek(mFile, mCluster * mClusterSize, SEEK_SET)) |
1683 |
return readbytes / WordSize; |
1684 |
// printf("trying to read %d bytes from device!\n",mClusterSize); |
1685 |
int size = read(mFile, mpCache, mClusterSize); |
1686 |
// printf("read %d bytes from device!\n",size); |
1687 |
#endif |
1688 |
} |
1689 |
// printf("read %d bytes at pos %d\n",WordCount*WordSize,mPos); |
1690 |
|
1691 |
int currentReadSize = sizetoread; |
1692 |
int posInCluster = mPos % mClusterSize; |
1693 |
if (currentReadSize > mClusterSize - posInCluster) // restrict to this current cached cluster. |
1694 |
currentReadSize = mClusterSize - posInCluster; |
1695 |
|
1696 |
memcpy((uint8_t*)pData + readbytes, mpCache + posInCluster, currentReadSize); |
1697 |
|
1698 |
mPos += currentReadSize; |
1699 |
readbytes += currentReadSize; |
1700 |
sizetoread -= currentReadSize; |
1701 |
// printf("new pos %d\n",mPos); |
1702 |
} |
1703 |
|
1704 |
#if 0 |
1705 |
if ((readbytes > 0) && (mEndian != eEndianNative)) |
1706 |
switch (WordSize) |
1707 |
{ |
1708 |
case 2: bswap_16_s ((uint16_t*)pData, readbytes); break; |
1709 |
case 4: bswap_32_s ((uint32_t*)pData, readbytes); break; |
1710 |
case 8: bswap_64_s ((uint64_t*)pData, readbytes); break; |
1711 |
} |
1712 |
#endif |
1713 |
|
1714 |
return readbytes / WordSize; |
1715 |
} |
1716 |
|
1717 |
void DiskImage::ReadInt8(uint8_t* pData, uint WordCount) { |
1718 |
Read(pData, WordCount, 1); |
1719 |
} |
1720 |
|
1721 |
void DiskImage::ReadInt16(uint16_t* pData, uint WordCount) { |
1722 |
int i; |
1723 |
for (i = 0; i < WordCount; i++) { |
1724 |
*(pData + i) = ReadInt16(); |
1725 |
} |
1726 |
} |
1727 |
|
1728 |
void DiskImage::ReadInt32(uint32_t* pData, uint WordCount) { |
1729 |
int i; |
1730 |
for (i = 0; i < WordCount; i++) { |
1731 |
*(pData + i) = ReadInt32(); |
1732 |
} |
1733 |
} |
1734 |
|
1735 |
int DiskImage::ReadInt8(uint8_t* pData) { |
1736 |
return Read(pData, 1, 1); |
1737 |
} |
1738 |
|
1739 |
int DiskImage::ReadInt16(uint16_t* pData) { |
1740 |
int result = Read(pData, 1, 2); |
1741 |
#if WORDS_BIGENDIAN |
1742 |
swapBytes_16(pData); |
1743 |
#endif |
1744 |
return result; |
1745 |
} |
1746 |
|
1747 |
int DiskImage::ReadInt32(uint32_t* pData) { |
1748 |
int result = Read(pData, 1, 4); |
1749 |
#if WORDS_BIGENDIAN |
1750 |
swapBytes_32(pData); |
1751 |
#endif |
1752 |
return result; |
1753 |
} |
1754 |
|
1755 |
uint8_t DiskImage::ReadInt8() |
1756 |
{ |
1757 |
uint8_t word; |
1758 |
Read(&word,1,1); |
1759 |
return word; |
1760 |
} |
1761 |
|
1762 |
uint16_t DiskImage::ReadInt16() |
1763 |
{ |
1764 |
uint16_t word; |
1765 |
Read(&word,1,2); |
1766 |
#if WORDS_BIGENDIAN |
1767 |
swapBytes_16(&word); |
1768 |
#endif |
1769 |
return word; |
1770 |
} |
1771 |
|
1772 |
uint32_t DiskImage::ReadInt32() |
1773 |
{ |
1774 |
uint32_t word; |
1775 |
Read(&word,1,4); |
1776 |
#if WORDS_BIGENDIAN |
1777 |
swapBytes_32(&word); |
1778 |
#endif |
1779 |
return word; |
1780 |
} |
1781 |
|
1782 |
void DiskImage::OpenStream(const char* path) { |
1783 |
#ifdef WIN32 |
1784 |
mFile = CreateFile(path, GENERIC_READ,0,NULL,OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS,NULL); |
1785 |
BY_HANDLE_FILE_INFORMATION FileInfo; |
1786 |
GetFileInformationByHandle(mFile,&FileInfo); |
1787 |
mSize = FileInfo.nFileSizeLow; |
1788 |
#elif defined(_CARBON_) || defined(__APPLE__) || LINUX |
1789 |
struct stat filestat; |
1790 |
stat(path,&filestat); |
1791 |
mFile = open(path, O_RDONLY | O_NONBLOCK); |
1792 |
if (mFile <= 0) { |
1793 |
printf("Can't open %s\n", path); |
1794 |
mFile = 0; |
1795 |
return; |
1796 |
} |
1797 |
// TODO: we should also check here if 'path' is a link or something |
1798 |
if (S_ISREG(filestat.st_mode)) { // regular file |
1799 |
printf("Using regular Akai image file.\n"); |
1800 |
mRegularFile = true; |
1801 |
mSize = filestat.st_size; |
1802 |
mClusterSize = DISK_CLUSTER_SIZE; |
1803 |
mpCache = (char*) malloc(mClusterSize); |
1804 |
} else { // CDROM |
1805 |
#if defined(_CARBON_) || defined(__APPLE__) |
1806 |
printf("Can't open %s: not a regular file\n", path); |
1807 |
#else // Linux ... |
1808 |
mRegularFile = false; |
1809 |
mClusterSize = CD_FRAMESIZE; |
1810 |
mpCache = (char*) malloc(mClusterSize); |
1811 |
|
1812 |
struct cdrom_tochdr tochdr; |
1813 |
struct cdrom_tocentry tocentry; |
1814 |
int prev_addr = 0; |
1815 |
if (ioctl(mFile, CDROMREADTOCHDR, (unsigned long)&tochdr) < 0) { |
1816 |
printf("Trying to read TOC of %s failed\n", path); |
1817 |
close(mFile); |
1818 |
mFile = 0; |
1819 |
return; |
1820 |
} |
1821 |
printf("Total tracks: %d\n", tochdr.cdth_trk1); |
1822 |
|
1823 |
/* we access the CD with logical blocks as entity */ |
1824 |
tocentry.cdte_format = CDROM_LBA; |
1825 |
|
1826 |
int firstDataTrack = -1; |
1827 |
int start, end, length; |
1828 |
|
1829 |
/* we pick up the lowest data track by iterating backwards, starting with Lead Out */ |
1830 |
for (int t = tochdr.cdth_trk1; t >= 0; t--) { |
1831 |
tocentry.cdte_track = (t == tochdr.cdth_trk1) ? CDROM_LEADOUT : t + 1; |
1832 |
if (ioctl(mFile, CDROMREADTOCENTRY, (unsigned long)&tocentry) < 0){ |
1833 |
printf("Failed to read TOC entry for track %d\n", tocentry.cdte_track); |
1834 |
close(mFile); |
1835 |
mFile = 0; |
1836 |
return; |
1837 |
} |
1838 |
if (tocentry.cdte_track == CDROM_LEADOUT) { |
1839 |
printf("Lead Out: Start(LBA)=%d\n", tocentry.cdte_addr.lba); |
1840 |
} |
1841 |
else { |
1842 |
printf("Track %d: Start(LBA)=%d End(LBA)=%d Length(Blocks)=%d ", |
1843 |
tocentry.cdte_track, tocentry.cdte_addr.lba, prev_addr - 1, prev_addr - tocentry.cdte_addr.lba); |
1844 |
if (tocentry.cdte_ctrl & CDROM_DATA_TRACK) { |
1845 |
printf("Type: Data\n"); |
1846 |
firstDataTrack = tocentry.cdte_track; |
1847 |
start = tocentry.cdte_addr.lba; |
1848 |
end = prev_addr - 1; |
1849 |
length = prev_addr - tocentry.cdte_addr.lba; |
1850 |
} |
1851 |
else printf("Type: Audio\n"); |
1852 |
} |
1853 |
prev_addr = tocentry.cdte_addr.lba; |
1854 |
} |
1855 |
|
1856 |
if (firstDataTrack == -1) { |
1857 |
printf("Sorry, no data track found on %s\n", path); |
1858 |
close(mFile); |
1859 |
mFile = 0; |
1860 |
return; |
1861 |
} |
1862 |
|
1863 |
printf("Ok, I'll pick track %d\n", firstDataTrack); |
1864 |
mStartFrame = start; |
1865 |
mEndFrame = end; |
1866 |
mSize = length * CD_FRAMESIZE; |
1867 |
#endif |
1868 |
} // CDROM |
1869 |
#endif |
1870 |
} |
1871 |
|
1872 |
bool DiskImage::WriteImage(const char* path) |
1873 |
{ |
1874 |
#if defined(_CARBON_) || defined(__APPLE__) || LINUX |
1875 |
const uint bufferSize = 524288; // 512 kB |
1876 |
int fOut = open(path, O_WRONLY | O_NONBLOCK | O_CREAT | O_TRUNC); |
1877 |
if (mFile <= 0) { |
1878 |
printf("Can't open output file %s\n", path); |
1879 |
return false; |
1880 |
} |
1881 |
uint8_t* pBuffer = new uint8_t[bufferSize]; |
1882 |
SetPos(0); |
1883 |
while (Available() > 0) { |
1884 |
int readBytes = Read(pBuffer,bufferSize,1); |
1885 |
if (readBytes > 0) write(fOut,pBuffer,readBytes); |
1886 |
} |
1887 |
delete[] pBuffer; |
1888 |
close(fOut); |
1889 |
return true; |
1890 |
#endif // _CARBON_ || LINUX |
1891 |
} |
1892 |
|
1893 |
inline void DiskImage::swapBytes_16(void* Word) { |
1894 |
uint8_t byteCache; |
1895 |
byteCache = *((uint8_t*) Word); |
1896 |
*((uint8_t*) Word) = *((uint8_t*) Word + 1); |
1897 |
*((uint8_t*) Word + 1) = byteCache; |
1898 |
} |
1899 |
|
1900 |
inline void DiskImage::swapBytes_32(void* Word) { |
1901 |
uint8_t byteCache; |
1902 |
byteCache = *((uint8_t*) Word); |
1903 |
*((uint8_t*) Word) = *((uint8_t*) Word + 3); |
1904 |
*((uint8_t*) Word + 3) = byteCache; |
1905 |
byteCache = *((uint8_t*) Word + 1); |
1906 |
*((uint8_t*) Word + 1) = *((uint8_t*) Word + 2); |
1907 |
*((uint8_t*) Word + 2) = byteCache; |
1908 |
} |