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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#if defined(WIN32)
#include <windows.h>
#if defined(ARRAYSIZE)
// winnt.h defines ARRAYSIZE, but we want our own one... - this is needed before including util.h
#undef ARRAYSIZE
#endif
#endif
#include "backends/platform/sdl/sdl.h"
#include "common/archive.h"
#include "common/config-manager.h"
#include "common/events.h"
#include "common/util.h"
#include "backends/saves/default/default-saves.h"
#include "backends/timer/default/default-timer.h"
#include "sound/mixer_intern.h"
#include "icons/scummvm.xpm"
#include <time.h> // for getTimeAndDate()
//#define SAMPLES_PER_SEC 11025
#define SAMPLES_PER_SEC 22050
//#define SAMPLES_PER_SEC 44100
/*
* Include header files needed for the getFilesystemFactory() method.
*/
#if defined(__amigaos4__)
#include "backends/fs/amigaos4/amigaos4-fs-factory.h"
#elif defined(UNIX)
#include "backends/fs/posix/posix-fs-factory.h"
#elif defined(WIN32)
#include "backends/fs/windows/windows-fs-factory.h"
#endif
#if defined(UNIX)
#ifdef MACOSX
#define DEFAULT_CONFIG_FILE "Library/Preferences/ScummVM Preferences"
#else
#define DEFAULT_CONFIG_FILE ".scummvmrc"
#endif
#else
#define DEFAULT_CONFIG_FILE "scummvm.ini"
#endif
#if defined(MACOSX) || defined(IPHONE)
#include "CoreFoundation/CoreFoundation.h"
#endif
static Uint32 timer_handler(Uint32 interval, void *param) {
((DefaultTimerManager *)param)->handler();
return interval;
}
void OSystem_SDL::initBackend() {
assert(!_inited);
int joystick_num = ConfMan.getInt("joystick_num");
uint32 sdlFlags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
if (ConfMan.hasKey("disable_sdl_parachute"))
sdlFlags |= SDL_INIT_NOPARACHUTE;
#ifdef _WIN32_WCE
if (ConfMan.hasKey("use_GDI") && ConfMan.getBool("use_GDI")) {
SDL_VideoInit("windib", 0);
sdlFlags ^= SDL_INIT_VIDEO;
}
#endif
if (joystick_num > -1)
sdlFlags |= SDL_INIT_JOYSTICK;
if (SDL_Init(sdlFlags) == -1) {
error("Could not initialize SDL: %s", SDL_GetError());
}
_graphicsMutex = createMutex();
SDL_ShowCursor(SDL_DISABLE);
// Enable unicode support if possible
SDL_EnableUNICODE(1);
_cksumValid = false;
#if !defined(_WIN32_WCE) && !defined(__SYMBIAN32__) && !defined(DISABLE_SCALERS)
_mode = GFX_DOUBLESIZE;
_scaleFactor = 2;
_scalerProc = Normal2x;
_adjustAspectRatio = ConfMan.getBool("aspect_ratio");
#else // for small screen platforms
_mode = GFX_NORMAL;
_scaleFactor = 1;
_scalerProc = Normal1x;
_adjustAspectRatio = false;
#endif
_scalerType = 0;
_modeFlags = 0;
#if !defined(_WIN32_WCE) && !defined(__SYMBIAN32__)
_fullscreen = ConfMan.getBool("fullscreen");
#else
_fullscreen = true;
#endif
#if !defined(MACOSX) && !defined(__SYMBIAN32__)
// Setup a custom program icon.
// Don't set icon on OS X, as we use a nicer external icon there.
// Don't for Symbian: it uses the EScummVM.aif file for the icon.
setupIcon();
#endif
// enable joystick
if (joystick_num > -1 && SDL_NumJoysticks() > 0) {
printf("Using joystick: %s\n", SDL_JoystickName(0));
_joystick = SDL_JoystickOpen(joystick_num);
}
// Create the savefile manager, if none exists yet (we check for this to
// allow subclasses to provide their own).
if (_savefile == 0) {
_savefile = new DefaultSaveFileManager();
}
// Create and hook up the mixer, if none exists yet (we check for this to
// allow subclasses to provide their own).
if (_mixer == 0) {
setupMixer();
}
// Create and hook up the timer manager, if none exists yet (we check for
// this to allow subclasses to provide their own).
if (_timer == 0) {
// Note: We could implement a custom SDLTimerManager by using
// SDL_AddTimer. That might yield better timer resolution, but it would
// also change the semantics of a timer: Right now, ScummVM timers
// *never* run in parallel, due to the way they are implemented. If we
// switched to SDL_AddTimer, each timer might run in a separate thread.
// However, not all our code is prepared for that, so we can't just
// switch. Still, it's a potential future change to keep in mind.
_timer = new DefaultTimerManager();
_timerID = SDL_AddTimer(10, &timer_handler, _timer);
}
// Invoke parent implementation of this method
OSystem::initBackend();
_inited = true;
}
OSystem_SDL::OSystem_SDL()
:
#ifdef USE_OSD
_osdSurface(0), _osdAlpha(SDL_ALPHA_TRANSPARENT), _osdFadeStartTime(0),
#endif
_hwscreen(0), _screen(0), _screenWidth(0), _screenHeight(0),
_tmpscreen(0), _overlayWidth(0), _overlayHeight(0),
_overlayVisible(false),
_overlayscreen(0), _tmpscreen2(0),
_samplesPerSec(0),
_cdrom(0), _scalerProc(0), _modeChanged(false), _screenChangeCount(0), _dirtyChecksums(0),
_mouseVisible(false), _mouseDrawn(false), _mouseData(0), _mouseSurface(0),
_mouseOrigSurface(0), _cursorTargetScale(1), _cursorPaletteDisabled(true),
_joystick(0),
_currentShakePos(0), _newShakePos(0),
_paletteDirtyStart(0), _paletteDirtyEnd(0),
#ifdef MIXER_DOUBLE_BUFFERING
_soundMutex(0), _soundCond(0), _soundThread(0),
_soundThreadIsRunning(false), _soundThreadShouldQuit(false),
#endif
_fsFactory(0),
_savefile(0),
_mixer(0),
_timer(0),
_screenIsLocked(false),
_graphicsMutex(0), _transactionMode(kTransactionNone) {
// allocate palette storage
_currentPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256);
_cursorPalette = (SDL_Color *)calloc(sizeof(SDL_Color), 256);
_mouseBackup.x = _mouseBackup.y = _mouseBackup.w = _mouseBackup.h = 0;
// reset mouse state
memset(&_km, 0, sizeof(_km));
memset(&_mouseCurState, 0, sizeof(_mouseCurState));
_inited = false;
#if defined(__amigaos4__)
_fsFactory = new AmigaOSFilesystemFactory();
#elif defined(UNIX)
_fsFactory = new POSIXFilesystemFactory();
#elif defined(WIN32)
_fsFactory = new WindowsFilesystemFactory();
#elif defined(__SYMBIAN32__)
// Do nothing since its handled by the Symbian SDL inheritance
#else
#error Unknown and unsupported FS backend
#endif
}
OSystem_SDL::~OSystem_SDL() {
SDL_RemoveTimer(_timerID);
closeMixer();
free(_dirtyChecksums);
free(_currentPalette);
free(_cursorPalette);
free(_mouseData);
delete _savefile;
delete _timer;
}
uint32 OSystem_SDL::getMillis() {
uint32 millis = SDL_GetTicks();
getEventManager()->processMillis(millis);
return millis;
}
void OSystem_SDL::delayMillis(uint msecs) {
SDL_Delay(msecs);
}
void OSystem_SDL::getTimeAndDate(struct tm &t) const {
time_t curTime = time(0);
t = *localtime(&curTime);
}
Common::TimerManager *OSystem_SDL::getTimerManager() {
assert(_timer);
return _timer;
}
Common::SaveFileManager *OSystem_SDL::getSavefileManager() {
assert(_savefile);
return _savefile;
}
FilesystemFactory *OSystem_SDL::getFilesystemFactory() {
assert(_fsFactory);
return _fsFactory;
}
void OSystem_SDL::addSysArchivesToSearchSet(Common::SearchSet &s, int priority) {
#ifdef DATA_PATH
// Add the global DATA_PATH to the directory search list
// FIXME: We use depth = 4 for now, to match the old code. May want to change that
Common::FSNode dataNode(DATA_PATH);
if (dataNode.exists() && dataNode.isDirectory()) {
Common::ArchivePtr dataArchive(new Common::FSDirectory(dataNode, 4));
s.add(DATA_PATH, dataArchive, priority);
}
#endif
#if defined(MACOSX) || defined(IPHONE)
// Get URL of the Resource directory of the .app bundle
CFURLRef fileUrl = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
if (fileUrl) {
// Try to convert the URL to an absolute path
UInt8 buf[MAXPATHLEN];
if (CFURLGetFileSystemRepresentation(fileUrl, true, buf, sizeof(buf))) {
// Success: Add it to the search path
Common::String bundlePath((const char *)buf);
Common::ArchivePtr bundleArchive(new Common::FSDirectory(bundlePath));
s.add("__OSX_BUNDLE__", bundleArchive, priority);
}
CFRelease(fileUrl);
}
#endif
}
static Common::String getDefaultConfigFileName() {
char configFile[MAXPATHLEN];
#if defined (WIN32) && !defined(_WIN32_WCE) && !defined(__SYMBIAN32__)
OSVERSIONINFO win32OsVersion;
ZeroMemory(&win32OsVersion, sizeof(OSVERSIONINFO));
win32OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&win32OsVersion);
// Check for non-9X version of Windows.
if (win32OsVersion.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS) {
// Use the Application Data directory of the user profile.
if (win32OsVersion.dwMajorVersion >= 5) {
if (!GetEnvironmentVariable("APPDATA", configFile, sizeof(configFile)))
error("Unable to access application data directory");
} else {
if (!GetEnvironmentVariable("USERPROFILE", configFile, sizeof(configFile)))
error("Unable to access user profile directory");
strcat(configFile, "\\Application Data");
CreateDirectory(configFile, NULL);
}
strcat(configFile, "\\ScummVM");
CreateDirectory(configFile, NULL);
strcat(configFile, "\\" DEFAULT_CONFIG_FILE);
FILE *tmp = NULL;
if ((tmp = fopen(configFile, "r")) == NULL) {
// Check windows directory
char oldConfigFile[MAXPATHLEN];
GetWindowsDirectory(oldConfigFile, MAXPATHLEN);
strcat(oldConfigFile, "\\" DEFAULT_CONFIG_FILE);
if ((tmp = fopen(oldConfigFile, "r"))) {
strcpy(configFile, oldConfigFile);
fclose(tmp);
}
} else {
fclose(tmp);
}
} else {
// Check windows directory
GetWindowsDirectory(configFile, MAXPATHLEN);
strcat(configFile, "\\" DEFAULT_CONFIG_FILE);
}
#elif defined(UNIX)
// On UNIX type systems, by default we store the config file inside
// to the HOME directory of the user.
//
// GP2X is Linux based but Home dir can be read only so do not use
// it and put the config in the executable dir.
//
// On the iPhone, the home dir of the user when you launch the app
// from the Springboard, is /. Which we don't want.
const char *home = getenv("HOME");
if (home != NULL && strlen(home) < MAXPATHLEN)
snprintf(configFile, MAXPATHLEN, "%s/%s", home, DEFAULT_CONFIG_FILE);
else
strcpy(configFile, DEFAULT_CONFIG_FILE);
#else
strcpy(configFile, DEFAULT_CONFIG_FILE);
#endif
return configFile;
}
Common::SeekableReadStream *OSystem_SDL::openConfigFileForReading() {
Common::FSNode file(getDefaultConfigFileName());
return file.openForReading();
}
Common::WriteStream *OSystem_SDL::openConfigFileForWriting() {
Common::FSNode file(getDefaultConfigFileName());
return file.openForWriting();
}
void OSystem_SDL::setWindowCaption(const char *caption) {
SDL_WM_SetCaption(caption, caption);
}
bool OSystem_SDL::hasFeature(Feature f) {
return
(f == kFeatureFullscreenMode) ||
(f == kFeatureAspectRatioCorrection) ||
(f == kFeatureAutoComputeDirtyRects) ||
(f == kFeatureCursorHasPalette) ||
(f == kFeatureIconifyWindow);
}
void OSystem_SDL::setFeatureState(Feature f, bool enable) {
switch (f) {
case kFeatureFullscreenMode:
setFullscreenMode(enable);
break;
case kFeatureAspectRatioCorrection:
setAspectRatioCorrection(enable);
break;
case kFeatureAutoComputeDirtyRects:
if (enable)
_modeFlags |= DF_WANT_RECT_OPTIM;
else
_modeFlags &= ~DF_WANT_RECT_OPTIM;
break;
case kFeatureIconifyWindow:
if (enable)
SDL_WM_IconifyWindow();
break;
default:
break;
}
}
bool OSystem_SDL::getFeatureState(Feature f) {
assert (_transactionMode == kTransactionNone);
switch (f) {
case kFeatureFullscreenMode:
return _fullscreen;
case kFeatureAspectRatioCorrection:
return _adjustAspectRatio;
case kFeatureAutoComputeDirtyRects:
return _modeFlags & DF_WANT_RECT_OPTIM;
default:
return false;
}
}
void OSystem_SDL::quit() {
if (_cdrom) {
SDL_CDStop(_cdrom);
SDL_CDClose(_cdrom);
}
unloadGFXMode();
deleteMutex(_graphicsMutex);
if (_joystick)
SDL_JoystickClose(_joystick);
SDL_ShowCursor(SDL_ENABLE);
SDL_RemoveTimer(_timerID);
closeMixer();
free(_dirtyChecksums);
free(_currentPalette);
free(_cursorPalette);
free(_mouseData);
delete _savefile;
delete _timer;
SDL_Quit();
delete getEventManager();
exit(0);
}
void OSystem_SDL::setupIcon() {
int x, y, w, h, ncols, nbytes, i;
unsigned int rgba[256];
unsigned int *icon;
sscanf(scummvm_icon[0], "%d %d %d %d", &w, &h, &ncols, &nbytes);
if ((w > 512) || (h > 512) || (ncols > 255) || (nbytes > 1)) {
warning("Could not load the built-in icon (%d %d %d %d)", w, h, ncols, nbytes);
return;
}
icon = (unsigned int*)malloc(w*h*sizeof(unsigned int));
if (!icon) {
warning("Could not allocate temp storage for the built-in icon");
return;
}
for (i = 0; i < ncols; i++) {
unsigned char code;
char color[32];
unsigned int col;
sscanf(scummvm_icon[1 + i], "%c c %s", &code, color);
if (!strcmp(color, "None"))
col = 0x00000000;
else if (!strcmp(color, "black"))
col = 0xFF000000;
else if (color[0] == '#') {
sscanf(color + 1, "%06x", &col);
col |= 0xFF000000;
} else {
warning("Could not load the built-in icon (%d %s - %s) ", code, color, scummvm_icon[1 + i]);
free(icon);
return;
}
rgba[code] = col;
}
for (y = 0; y < h; y++) {
const char *line = scummvm_icon[1 + ncols + y];
for (x = 0; x < w; x++) {
icon[x + w * y] = rgba[(int)line[x]];
}
}
SDL_Surface *sdl_surf = SDL_CreateRGBSurfaceFrom(icon, w, h, 32, w * 4, 0xFF0000, 0x00FF00, 0x0000FF, 0xFF000000);
if (!sdl_surf) {
warning("SDL_CreateRGBSurfaceFrom(icon) failed");
}
SDL_WM_SetIcon(sdl_surf, NULL);
SDL_FreeSurface(sdl_surf);
free(icon);
}
OSystem::MutexRef OSystem_SDL::createMutex(void) {
return (MutexRef) SDL_CreateMutex();
}
void OSystem_SDL::lockMutex(MutexRef mutex) {
SDL_mutexP((SDL_mutex *) mutex);
}
void OSystem_SDL::unlockMutex(MutexRef mutex) {
SDL_mutexV((SDL_mutex *) mutex);
}
void OSystem_SDL::deleteMutex(MutexRef mutex) {
SDL_DestroyMutex((SDL_mutex *) mutex);
}
#pragma mark -
#pragma mark --- Audio ---
#pragma mark -
#ifdef MIXER_DOUBLE_BUFFERING
void OSystem_SDL::mixerProducerThread() {
byte nextSoundBuffer;
SDL_LockMutex(_soundMutex);
while (true) {
// Wait till we are allowed to produce data
SDL_CondWait(_soundCond, _soundMutex);
if (_soundThreadShouldQuit)
break;
// Generate samples and put them into the next buffer
nextSoundBuffer = _activeSoundBuf ^ 1;
_mixer->mixCallback(_soundBuffers[nextSoundBuffer], _soundBufSize);
// Swap buffers
_activeSoundBuf = nextSoundBuffer;
}
SDL_UnlockMutex(_soundMutex);
}
int SDLCALL OSystem_SDL::mixerProducerThreadEntry(void *arg) {
OSystem_SDL *this_ = (OSystem_SDL *)arg;
assert(this_);
this_->mixerProducerThread();
return 0;
}
void OSystem_SDL::initThreadedMixer(Audio::MixerImpl *mixer, uint bufSize) {
_soundThreadIsRunning = false;
_soundThreadShouldQuit = false;
// Create mutex and condition variable
_soundMutex = SDL_CreateMutex();
_soundCond = SDL_CreateCond();
// Create two sound buffers
_activeSoundBuf = 0;
_soundBufSize = bufSize;
_soundBuffers[0] = (byte *)calloc(1, bufSize);
_soundBuffers[1] = (byte *)calloc(1, bufSize);
_soundThreadIsRunning = true;
// Finally start the thread
_soundThread = SDL_CreateThread(mixerProducerThreadEntry, this);
}
void OSystem_SDL::deinitThreadedMixer() {
// Kill thread?? _soundThread
if (_soundThreadIsRunning) {
// Signal the producer thread to end, and wait for it to actually finish.
_soundThreadShouldQuit = true;
SDL_CondBroadcast(_soundCond);
SDL_WaitThread(_soundThread, NULL);
// Kill the mutex & cond variables.
// Attention: AT this point, the mixer callback must not be running
// anymore, else we will crash!
SDL_DestroyMutex(_soundMutex);
SDL_DestroyCond(_soundCond);
_soundThreadIsRunning = false;
free(_soundBuffers[0]);
free(_soundBuffers[1]);
}
}
void OSystem_SDL::mixCallback(void *arg, byte *samples, int len) {
OSystem_SDL *this_ = (OSystem_SDL *)arg;
assert(this_);
assert(this_->_mixer);
assert((int)this_->_soundBufSize == len);
// Lock mutex, to ensure our data is not overwritten by the producer thread
SDL_LockMutex(this_->_soundMutex);
// Copy data from the current sound buffer
memcpy(samples, this_->_soundBuffers[this_->_activeSoundBuf], len);
// Unlock mutex and wake up the produced thread
SDL_UnlockMutex(this_->_soundMutex);
SDL_CondSignal(this_->_soundCond);
}
#else
void OSystem_SDL::mixCallback(void *sys, byte *samples, int len) {
OSystem_SDL *this_ = (OSystem_SDL *)sys;
assert(this_);
assert(this_->_mixer);
this_->_mixer->mixCallback(samples, len);
}
#endif
void OSystem_SDL::setupMixer() {
SDL_AudioSpec desired;
SDL_AudioSpec obtained;
// Determine the desired output sampling frequency.
_samplesPerSec = 0;
if (ConfMan.hasKey("output_rate"))
_samplesPerSec = ConfMan.getInt("output_rate");
if (_samplesPerSec <= 0)
_samplesPerSec = SAMPLES_PER_SEC;
// Determine the sample buffer size. We want it to store enough data for
// about 1/16th of a second. Note that it must be a power of two.
// So e.g. at 22050 Hz, we request a sample buffer size of 2048.
int samples = 8192;
while (16 * samples >= _samplesPerSec) {
samples >>= 1;
}
memset(&desired, 0, sizeof(desired));
desired.freq = _samplesPerSec;
desired.format = AUDIO_S16SYS;
desired.channels = 2;
desired.samples = (uint16)samples;
desired.callback = mixCallback;
desired.userdata = this;
// Create the mixer instance
assert(!_mixer);
_mixer = new Audio::MixerImpl(this);
assert(_mixer);
if (SDL_OpenAudio(&desired, &obtained) != 0) {
warning("Could not open audio device: %s", SDL_GetError());
_samplesPerSec = 0;
_mixer->setReady(false);
} else {
// Note: This should be the obtained output rate, but it seems that at
// least on some platforms SDL will lie and claim it did get the rate
// even if it didn't. Probably only happens for "weird" rates, though.
_samplesPerSec = obtained.freq;
debug(1, "Output sample rate: %d Hz", _samplesPerSec);
// Tell the mixer that we are ready and start the sound processing
_mixer->setOutputRate(_samplesPerSec);
_mixer->setReady(true);
#ifdef MIXER_DOUBLE_BUFFERING
initThreadedMixer(_mixer, obtained.samples * 4);
#endif
// start the sound system
SDL_PauseAudio(0);
}
}
void OSystem_SDL::closeMixer() {
if (_mixer)
_mixer->setReady(false);
SDL_CloseAudio();
delete _mixer;
_mixer = 0;
#ifdef MIXER_DOUBLE_BUFFERING
deinitThreadedMixer();
#endif
}
Audio::Mixer *OSystem_SDL::getMixer() {
assert(_mixer);
return _mixer;
}
#pragma mark -
#pragma mark --- CD Audio ---
#pragma mark -
bool OSystem_SDL::openCD(int drive) {
if (SDL_InitSubSystem(SDL_INIT_CDROM) == -1)
_cdrom = NULL;
else {
_cdrom = SDL_CDOpen(drive);
// Did it open? Check if _cdrom is NULL
if (!_cdrom) {
warning("Couldn't open drive: %s", SDL_GetError());
} else {
_cdNumLoops = 0;
_cdStopTime = 0;
_cdEndTime = 0;
}
}
return (_cdrom != NULL);
}
void OSystem_SDL::stopCD() { /* Stop CD Audio in 1/10th of a second */
_cdStopTime = SDL_GetTicks() + 100;
_cdNumLoops = 0;
}
void OSystem_SDL::playCD(int track, int num_loops, int start_frame, int duration) {
if (!num_loops && !start_frame)
return;
if (!_cdrom)
return;
if (duration > 0)
duration += 5;
_cdTrack = track;
_cdNumLoops = num_loops;
_cdStartFrame = start_frame;
SDL_CDStatus(_cdrom);
if (start_frame == 0 && duration == 0)
SDL_CDPlayTracks(_cdrom, track, 0, 1, 0);
else
SDL_CDPlayTracks(_cdrom, track, start_frame, 0, duration);
_cdDuration = duration;
_cdStopTime = 0;
_cdEndTime = SDL_GetTicks() + _cdrom->track[track].length * 1000 / CD_FPS;
}
bool OSystem_SDL::pollCD() {
if (!_cdrom)
return false;
return (_cdNumLoops != 0 && (SDL_GetTicks() < _cdEndTime || SDL_CDStatus(_cdrom) != CD_STOPPED));
}
void OSystem_SDL::updateCD() {
if (!_cdrom)
return;
if (_cdStopTime != 0 && SDL_GetTicks() >= _cdStopTime) {
SDL_CDStop(_cdrom);
_cdNumLoops = 0;
_cdStopTime = 0;
return;
}
if (_cdNumLoops == 0 || SDL_GetTicks() < _cdEndTime)
return;
if (_cdNumLoops != 1 && SDL_CDStatus(_cdrom) != CD_STOPPED) {
// Wait another second for it to be done
_cdEndTime += 1000;
return;
}
if (_cdNumLoops > 0)
_cdNumLoops--;
if (_cdNumLoops != 0) {
if (_cdStartFrame == 0 && _cdDuration == 0)
SDL_CDPlayTracks(_cdrom, _cdTrack, 0, 1, 0);
else
SDL_CDPlayTracks(_cdrom, _cdTrack, _cdStartFrame, 0, _cdDuration);
_cdEndTime = SDL_GetTicks() + _cdrom->track[_cdTrack].length * 1000 / CD_FPS;
}
}
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