tp/libs/JSystem/JKernel/JKRDvdFile.cpp

133 lines
3.3 KiB
C++

#include "JSystem/JKernel/JKRDvdFile/JKRDvdFile.h"
#include "global.h"
JKRDvdFile::JKRDvdFile() : JKRFile(), mDvdLink(this) {
initiate();
}
// end of fuctions is weird. instructions which should have been optimized out.
#ifdef NONMATCHING
JKRDvdFile::JKRDvdFile(const char* name) : JKRFile(), mDvdLink(this) {
initiate();
bool result = open(name);
mIsAvailable = result;
}
#else
asm JKRDvdFile::JKRDvdFile(char const*) {
nofralloc
#include "JSystem/JKernel/JKRDvdFile/asm/func_802D95F8.s"
}
#endif
#ifdef NONMATHCING
JKRDvdFile::JKRDvdFile(long param_1) : JKRFile(), mDvdLink(this) {
initiate();
bool result = open(param_1);
mIsAvailable = result;
}
#else
asm JKRDvdFile::JKRDvdFile(long) {
nofralloc
#include "JSystem/JKernel/JKRDvdFile/asm/func_802D96A0.s"
}
#endif
JKRDvdFile::~JKRDvdFile() {
close();
}
void JKRDvdFile::initiate(void) {
mDvdFile = this;
OSInitMutex(&mMutex1);
OSInitMutex(&mMutex2);
OSInitMessageQueue(&mMessageQueue2, &mMessage2, 1);
OSInitMessageQueue(&mMessageQueue1, &mMessage1, 1);
mOSThread = NULL;
field_0x50 = 0;
field_0x58 = 0;
}
bool JKRDvdFile::open(const char* param_1) {
if (!mIsAvailable) {
mIsAvailable = DVDOpen(param_1, &mFileInfo);
if (mIsAvailable) {
lbl_8043436C.append(&mDvdLink);
getStatus();
}
}
return mIsAvailable;
}
bool JKRDvdFile::open(long param_1) {
if (!mIsAvailable) {
mIsAvailable = DVDFastOpen(param_1, &mFileInfo);
if (mIsAvailable) {
lbl_8043436C.append(&mDvdLink);
getStatus();
}
}
return mIsAvailable;
}
void JKRDvdFile::close() {
if (mIsAvailable) {
s32 result = DVDClose(&mFileInfo);
if (result != 0) {
mIsAvailable = false;
lbl_8043436C.remove(&mDvdLink);
} else {
const char* filename = lbl_8039D260; // "JKRDvdFile.cpp"
const char* format = lbl_8039D260 + 0x0F; // "%s"
const char* arg1 = lbl_8039D260 + 0x12; // "cannot close DVD file\n"
JUTException_NS_panic_f(filename, 0xd5, format, arg1);
}
}
}
s32 JKRDvdFile::readData(void* param_1, long length, long param_3) {
JUT_ASSERT((length & 0x1f) == 0);
OSLockMutex(&mMutex1);
if (mOSThread) {
OSUnlockMutex(&mMutex1);
return -1;
}
mOSThread = OSGetCurrentThread();
s32 result = -1;
s32 readAsyncResult =
DVDReadAsyncPrio(&mFileInfo, param_1, length, param_3, JKRDvdFile::doneProcess, 2);
if (readAsyncResult) {
result = sync();
}
mOSThread = NULL;
OSUnlockMutex(&mMutex1);
return result;
}
s32 JKRDvdFile::writeData(const void*, long, long) {
return -1;
}
s32 JKRDvdFile::sync(void) {
OSMessage message;
OSLockMutex(&mMutex1);
OSReceiveMessage(&mMessageQueue2, &message, 1);
mOSThread = NULL;
OSUnlockMutex(&mMutex1);
return (int)message;
}
void JKRDvdFile::doneProcess(long id, DVDFileInfo* fileInfo) {
// fileInfo->field_0x3c looks like some kind of user pointer?
JKRDvdFile* dvdFile = *(JKRDvdFile**)((u8*)fileInfo + 0x3c);
OSSendMessage(&dvdFile->mMessageQueue2, (OSMessage)id, OS_MESSAGE_NON_BLOCKING);
}
s32 JKRDvdFile::getFileSize(void) const {
return mFileInfo.length;
}