Logo Search packages:      
Sourcecode: scummvm version File versions  Download package

cd_pockettunes.cpp

/* 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0rc1/backends/platform/PalmOS/Src/cd_pockettunes.cpp $
 * $Id: cd_pockettunes.cpp 30664 2008-01-27 19:47:41Z jvprat $
 *
 */
#include "common/system.h"
#include "common/config-manager.h"

#include "cd_pockettunes.h"

PckTunesCDPlayer::PckTunesCDPlayer(OSystem *sys) {
      _sys = sys;
      StrCopy(gameP, ConfMan.getActiveDomainName().c_str());
}

bool PckTunesCDPlayer::init() {
      PocketTunesStart();
      _isInitialized = PocketTunesIsRunning();
      _isPlaying = false;
      _pAction = NULL;

      if (_isInitialized) {
            _pAction = (PocketTunesAction*)MemPtrNew(sizeof(PocketTunesAction));
            _volumeLimit = getVolumeLimit();
      }

      _isInitialized = (_isInitialized && _pAction);
      return _isInitialized;
}

void PckTunesCDPlayer::release() {
      PocketTunesStop();
      if (_pAction)
            MemPtrFree(_pAction);

      // self delete
      delete this;
}

UInt32 PckTunesCDPlayer::getVolumeLimit() {
      UInt32 value = 0;

      if (!_pAction)
            return value;

      _pAction->action = kPocketTunesActionGetValue;
      _pAction->data.getValueAction.which = kPtunesValueMaxVolume;

      EvtGetEvent(&_eAction, evtNoWait);
      if (PocketTunesCallSynch(_pAction) == errNone)
            value = _pAction->data.getValueAction.value;

      return value;
}

UInt32 PckTunesCDPlayer::getStatus() {
      UInt32 status = kPtunesStopped;

      if (!_isPlaying || !_pAction)
            return status;

      _pAction->action = kPocketTunesActionGetStatus;

      EvtGetEvent(&_eAction, evtNoWait);
      if (PocketTunesCallSynch(_pAction) == errNone)
            status = _pAction->data.getStatusAction.status;

      return status;
}

UInt32 PckTunesCDPlayer::getPosition(UInt32 deflt) {
      UInt32 value = deflt;

      if (!_isPlaying || !_pAction)
            return value;

      _pAction->action = kPocketTunesActionGetValue;
      _pAction->data.getValueAction.which = kPtunesValueSongPosition;

      EvtGetEvent(&_eAction, evtNoWait);
      if (PocketTunesCallSynch(_pAction) == errNone)
            value = _pAction->data.getValueAction.value;

      return value;
}

UInt32 PckTunesCDPlayer::getDuration() {
      UInt32 value = gVars->CD.defaultTrackLength;

      if (!_isPlaying || !_pAction)
            return value;

      _pAction->action = kPocketTunesActionGetValue;
      _pAction->data.getValueAction.which = kPtunesValueSongDuration;

      EvtGetEvent(&_eAction, evtNoWait);
      if (PocketTunesCallSynch(_pAction) == errNone)
            value = _pAction->data.getValueAction.value;

      return value;
}

void PckTunesCDPlayer::setPosition(UInt32 value) {
      if (!_isPlaying)
            return;

      PocketTunesAction *pAction = AllocateAsynchronousActionStruct();
      if (!pAction)
            return;

      pAction->action = kPocketTunesActionSetValue;
      pAction->data.getValueAction.which = kPtunesValueSongPosition;
      pAction->data.getValueAction.value = value;

      EvtGetEvent(&_eAction, evtNoWait);
      PocketTunesCall(pAction);
}

void PckTunesCDPlayer::setVolume(int volume) {
      _volumeLevel = volume;

      PocketTunesAction *pAction = AllocateAsynchronousActionStruct();
      if (!pAction)
            return;

      pAction->action = kPocketTunesActionSetValue;
      pAction->data.getValueAction.which = kPtunesValueVolume;
      pAction->data.getValueAction.value = (_volumeLimit * volume) / 100;

      EvtGetEvent(&_eAction, evtNoWait);
      PocketTunesCall(pAction);
}

bool PckTunesCDPlayer::poll() {
      return (_pckLoops != 0 && (getPosition(_pckTrackEndFrame) < _pckTrackEndFrame || getStatus() != kPtunesStopped));
}

void PckTunesCDPlayer::update() {

      // stop replay upon request of stopCD()
      if (_pckStopTime != 0 && _sys->getMillis() >= _pckStopTime) {
            PocketTunesStop();
            _pckLoops = 0;
            _pckStopTime = 0;
            _pckTrackEndFrame = 0;
            return;
      }

      // not fully played
      if (getPosition(_pckTrackEndFrame) < _pckTrackEndFrame && getStatus() != kPtunesStopped)
            return;

      PocketTunesStop();

      if (_pckLoops == 0)
            return;

      // loop again ?
      if (_pckLoops > 0)
            _pckLoops--;

      // loop if needed
      if (_pckLoops != 0 && _isPlaying) {
            if (_pckTrackStartFrame == 0 && _pckTrackDuration == 0) {
                  setPosition(0);
            } else {
                  setPosition(_pckTrackStartFrame);
            }

            PocketTunesPlay();
      }
}

void PckTunesCDPlayer::stop() {     /* Stop CD Audio in 1/10th of a second */
      _pckStopTime = _sys->getMillis() + 100;
      _pckLoops = 0;
      return;
}

void PckTunesCDPlayer::play(int track, int num_loops, int start_frame, int duration) {
      if (!num_loops && !start_frame)
            return;

      EventType e;
      Char nameP[256], fileP[100];
      static const Char *ext[] = { "mp3", "ogg" };

      _pckTrack = track;
      _pckLoops = num_loops;
      _pckTrackStartFrame = TO_MSECS(start_frame);
      _pckTrackDuration = TO_MSECS(duration);

      VFSVolumeGetLabel(gVars->VFS.volRefNum, nameP, 256);

      StrPrintF(fileP, "/Palm/Programs/ScummVM/Audio/%s_%03ld.%s", gameP, (track + gVars->CD.firstTrack - 1), ext[gVars->CD.format]);

      if (PocketTunesOpenFile(nameP, fileP, 0) == errNone) {
            EvtGetEvent(&e, evtNoWait);
            PocketTunesPauseIfPlaying();
            _isPlaying = true;

            if (_pckTrackStartFrame == 0 && _pckTrackDuration == 0) {
                  _pckTrackDuration = getDuration();
            } else {
                  setPosition(_pckTrackStartFrame);
                  if (_pckTrackDuration == 0)
                        _pckTrackDuration = getDuration() - _pckTrackStartFrame;
            }

            PocketTunesPlay();

      } else {
            _isPlaying = false;
            _pckTrackDuration = gVars->CD.defaultTrackLength * 1000;
      }

      _pckStopTime = 0;
      _pckTrackEndFrame = _pckTrackStartFrame + _pckTrackDuration;
}

Generated by  Doxygen 1.6.0   Back to index