diff options
Diffstat (limited to 'sound/audiocd.cpp')
| -rw-r--r-- | sound/audiocd.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sound/audiocd.cpp b/sound/audiocd.cpp new file mode 100644 index 0000000000..6da8cf28aa --- /dev/null +++ b/sound/audiocd.cpp @@ -0,0 +1,152 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003 The ScummVM project + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + * + */ + +#include "stdafx.h" + +#include "sound/audiocd.h" +#include "sound/mp3.h" +#include "sound/vorbis.h" +#include "base/engine.h" +#include "common/file.h" +#include "common/util.h" + + +AudioCDManager::AudioCDManager() { + _current_cache = 0; +} + +void AudioCDManager::playCDTrack(int track, int numLoops, int startFrame, int duration) { + if (numLoops != 0 || startFrame != 0) { + // Try to load the track from a .mp3/.ogg file, and if found, use + // that. If not found, attempt to do regular Audio CD playback of + // the requested track. + int index = getCachedTrack(track); + if (index >= 0) { + g_engine->_mixer->stopHandle(_cd.handle); + _cd.playing = true; + _cd.track = track; + _cd.numLoops = numLoops; + _cd.start = startFrame; + _cd.duration = duration; + _track_info[index]->play(g_engine->_mixer, &_cd.handle, _cd.start, _cd.duration); + } else { + g_system->play_cdrom(track, numLoops, startFrame, duration); + } + } +} + +void AudioCDManager::stopCD() { + if (_cd.playing) { + g_engine->_mixer->stopHandle(_cd.handle); + _cd.playing = false; + } else { + g_system->stop_cdrom(); + } +} + +int AudioCDManager::pollCD() const { + return _cd.playing || g_system->poll_cdrom(); +} + +void AudioCDManager::updateCD() { + if (_cd.playing) { + // If the sound handle is 0, then playback stopped. + if (!_cd.handle) { + // If playback just stopped, check if the current track is supposed + // to be repeated, and if that's the case, play it again. Else, stop + // the CD explicitly. + if (_cd.numLoops == -1 || --_cd.numLoops > 0) { +//FIXME _scumm->VAR(_scumm->VAR_MUSIC_TIMER) = 0; +//FIXME if (!_soundsPaused) { + int index = getCachedTrack(_cd.track); + assert(index >= 0); + _track_info[index]->play(g_engine->_mixer, &_cd.handle, _cd.start, _cd.duration); +//FIXME } + } else { + g_engine->_mixer->stopHandle(_cd.handle); + _cd.playing = false; + } + } + } else { + g_system->update_cdrom(); + } +} + +int AudioCDManager::getCachedTrack(int track) { + int i; +#if defined(USE_MAD) || defined(USE_VORBIS) + char track_name[1024]; + File *file = new File(); +#endif + int current_index; + + // See if we find the track in the cache + for (i = 0; i < CACHE_TRACKS; i++) + if (_cached_tracks[i] == track) { + if (_track_info[i]) + return i; + else + return -1; + } + current_index = _current_cache++; + _current_cache %= CACHE_TRACKS; + + // Not found, see if it exists + + // First, delete the previous track info object + delete _track_info[current_index]; + _track_info[current_index] = NULL; + + _cached_tracks[current_index] = track; + +#ifdef USE_MAD + sprintf(track_name, "track%d.mp3", track); + file->open(track_name, g_engine->getGameDataPath()); + + if (file->isOpen()) { + _track_info[current_index] = new MP3TrackInfo(file); + if (_track_info[current_index]->error()) { + delete _track_info[current_index]; + _track_info[current_index] = NULL; + return -1; + } + return current_index; + } +#endif + +#ifdef USE_VORBIS + sprintf(track_name, "track%d.ogg", track); + file->open(track_name, g_engine->getGameDataPath()); + + if (file->isOpen()) { + _track_info[current_index] = new VorbisTrackInfo(file); + if (_track_info[current_index]->error()) { + delete _track_info[current_index]; + _track_info[current_index] = NULL; + return -1; + } + return current_index; + } +#endif + + debug(2, "Track %d not available in compressed format", track); + return -1; +} |