mirror of
https://github.com/libretro/scummvm.git
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405 lines
13 KiB
C++
405 lines
13 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#include "stdafx.h"
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#include "common/system.h"
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#include "common/timer.h"
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#include "scumm/actor.h"
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#include "scumm/scumm.h"
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#include "scumm/sound.h"
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#include "scumm/imuse_digi/dimuse.h"
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#include "scumm/imuse_digi/dimuse_bndmgr.h"
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#include "sound/audiostream.h"
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#include "sound/mixer.h"
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namespace Scumm {
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IMuseDigital::Track::Track()
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: soundId(-1), used(false), stream(NULL), stream2(NULL) {
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}
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void IMuseDigital::timer_handler(void *refCon) {
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IMuseDigital *imuseDigital = (IMuseDigital *)refCon;
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imuseDigital->callback();
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}
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IMuseDigital::IMuseDigital(ScummEngine *scumm, int fps)
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: _vm(scumm) {
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_pause = false;
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_sound = new ImuseDigiSndMgr(_vm);
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_callbackFps = fps;
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resetState();
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for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
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_track[l] = new Track;
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_track[l]->trackId = l;
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_track[l]->used = false;
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}
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_vm->_timer->installTimerProc(timer_handler, 1000000 / _callbackFps, this);
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}
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IMuseDigital::~IMuseDigital() {
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stopAllSounds();
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_vm->_timer->removeTimerProc(timer_handler);
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for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
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delete _track[l];
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}
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delete _sound;
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}
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void IMuseDigital::resetState() {
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_curMusicState = 0;
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_curMusicSeq = 0;
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_curMusicCue = 0;
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memset(_attributes, 0, sizeof(_attributes));
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_nextSeqToPlay = 0;
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}
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void IMuseDigital::saveOrLoad(Serializer *ser) {
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Common::StackLock lock(_mutex, "IMuseDigital::saveOrLoad()");
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const SaveLoadEntry mainEntries[] = {
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MK_OBSOLETE(IMuseDigital, _volVoice, sleInt32, VER(31), VER(42)),
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MK_OBSOLETE(IMuseDigital, _volSfx, sleInt32, VER(31), VER(42)),
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MK_OBSOLETE(IMuseDigital, _volMusic, sleInt32, VER(31), VER(42)),
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MKLINE(IMuseDigital, _curMusicState, sleInt32, VER(31)),
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MKLINE(IMuseDigital, _curMusicSeq, sleInt32, VER(31)),
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MKLINE(IMuseDigital, _curMusicCue, sleInt32, VER(31)),
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MKLINE(IMuseDigital, _nextSeqToPlay, sleInt32, VER(31)),
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MKARRAY(IMuseDigital, _attributes[0], sleInt32, 188, VER(31)),
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MKEND()
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};
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const SaveLoadEntry trackEntries[] = {
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MKLINE(Track, pan, sleInt8, VER(31)),
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MKLINE(Track, vol, sleInt32, VER(31)),
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MKLINE(Track, volFadeDest, sleInt32, VER(31)),
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MKLINE(Track, volFadeStep, sleInt32, VER(31)),
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MKLINE(Track, volFadeDelay, sleInt32, VER(31)),
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MKLINE(Track, volFadeUsed, sleByte, VER(31)),
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MKLINE(Track, soundId, sleInt32, VER(31)),
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MKARRAY(Track, soundName[0], sleByte, 15, VER(31)),
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MKLINE(Track, used, sleByte, VER(31)),
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MKLINE(Track, toBeRemoved, sleByte, VER(31)),
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MKLINE(Track, souStream, sleByte, VER(31)),
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MKLINE(Track, started, sleByte, VER(31)),
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MKLINE(Track, priority, sleInt32, VER(31)),
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MKLINE(Track, regionOffset, sleInt32, VER(31)),
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MK_OBSOLETE(Track, trackOffset, sleInt32, VER(31), VER(31)),
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MKLINE(Track, dataOffset, sleInt32, VER(31)),
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MKLINE(Track, curRegion, sleInt32, VER(31)),
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MKLINE(Track, curHookId, sleInt32, VER(31)),
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MKLINE(Track, volGroupId, sleInt32, VER(31)),
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MKLINE(Track, soundType, sleInt32, VER(31)),
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MKLINE(Track, iteration, sleInt32, VER(31)),
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MKLINE(Track, mod, sleInt32, VER(31)),
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MKLINE(Track, mixerFlags, sleInt32, VER(31)),
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MK_OBSOLETE(Track, mixerVol, sleInt32, VER(31), VER(42)),
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MK_OBSOLETE(Track, mixerPan, sleInt32, VER(31), VER(42)),
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MKLINE(Track, compressed, sleByte, VER(45)),
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MKEND()
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};
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ser->_ref_me = this;
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ser->_save_ref = NULL;
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ser->_load_ref = NULL;
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ser->saveLoadEntries(this, mainEntries);
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for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
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Track *track = _track[l];
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if (!ser->isSaving()) {
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track->compressed = false;
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}
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ser->saveLoadEntries(track, trackEntries);
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if (!ser->isSaving()) {
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if (!track->used)
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continue;
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track->readyToRemove = false;
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if ((track->toBeRemoved) || (track->souStream)) {
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track->stream2 = NULL;
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track->stream = NULL;
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track->used = false;
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continue;
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}
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track->soundHandle = _sound->openSound(track->soundId,
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track->soundName, track->soundType,
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track->volGroupId, -1);
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if (!track->soundHandle) {
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warning("IMuseDigital::saveOrLoad: Can't open sound so will not be resumed, propably on diffrent CD");
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track->stream2 = NULL;
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track->stream = NULL;
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track->used = false;
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continue;
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}
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if (track->compressed) {
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track->regionOffset = 0;
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}
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track->compressed = _sound->isCompressed(track->soundHandle);
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if (track->compressed) {
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track->regionOffset = 0;
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}
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track->dataOffset = _sound->getRegionOffset(track->soundHandle, track->curRegion);
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int bits = _sound->getBits(track->soundHandle);
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int channels = _sound->getChannels(track->soundHandle);
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int freq = _sound->getFreq(track->soundHandle);
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track->iteration = freq * channels;
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track->mixerFlags = 0;
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if (channels == 2)
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track->mixerFlags = SoundMixer::FLAG_STEREO | SoundMixer::FLAG_REVERSE_STEREO;
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if ((bits == 12) || (bits == 16)) {
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track->mixerFlags |= SoundMixer::FLAG_16BITS;
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track->iteration *= 2;
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} else if (bits == 8) {
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track->mixerFlags |= SoundMixer::FLAG_UNSIGNED;
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} else
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error("IMuseDigital::saveOrLoad(): Can't handle %d bit samples", bits);
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if (track->compressed)
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track->mixerFlags |= SoundMixer::FLAG_LITTLE_ENDIAN;
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int32 streamBufferSize = track->iteration;
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track->stream2 = NULL;
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track->stream = makeAppendableAudioStream(freq, track->mixerFlags, streamBufferSize);
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const int pan = (track->pan != 64) ? 2 * track->pan - 127 : 0;
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const int vol = track->vol / 1000;
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SoundMixer::SoundType type = SoundMixer::kPlainAudioDataType;
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if (track->volGroupId == 1)
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type = SoundMixer::kSpeechAudioDataType;
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if (track->volGroupId == 2)
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type = SoundMixer::kSFXAudioDataType;
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if (track->volGroupId == 3)
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type = SoundMixer::kMusicAudioDataType;
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_vm->_mixer->playInputStream(type, &track->handle, track->stream, -1, vol, pan, false);
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}
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}
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}
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void IMuseDigital::callback() {
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Common::StackLock lock(_mutex, "IMuseDigital::callback()");
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for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
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Track *track = _track[l];
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if (track->used && !track->readyToRemove) {
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if (track->toBeRemoved) {
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track->readyToRemove = true;
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continue;
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}
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if (_pause || !_vm)
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return;
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if (track->volFadeUsed) {
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if (track->volFadeStep < 0) {
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if (track->vol > track->volFadeDest) {
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track->vol += track->volFadeStep;
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if (track->vol < track->volFadeDest) {
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track->vol = track->volFadeDest;
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track->volFadeUsed = false;
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}
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if (track->vol == 0) {
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track->toBeRemoved = true;
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}
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}
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} else if (track->volFadeStep > 0) {
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if (track->vol < track->volFadeDest) {
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track->vol += track->volFadeStep;
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if (track->vol > track->volFadeDest) {
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track->vol = track->volFadeDest;
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track->volFadeUsed = false;
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}
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}
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}
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debug(5, "Fade: sound(%d), Vol(%d)", track->soundId, track->vol / 1000);
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}
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const int pan = (track->pan != 64) ? 2 * track->pan - 127 : 0;
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const int vol = track->vol / 1000;
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SoundMixer::SoundType type = SoundMixer::kPlainAudioDataType;
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if (track->volGroupId == 1)
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type = SoundMixer::kSpeechAudioDataType;
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if (track->volGroupId == 2)
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type = SoundMixer::kSFXAudioDataType;
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if (track->volGroupId == 3)
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type = SoundMixer::kMusicAudioDataType;
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if (track->stream) {
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byte *data = NULL;
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int32 result = 0;
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if (track->curRegion == -1) {
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switchToNextRegion(track);
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if (track->toBeRemoved)
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continue;
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}
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int bits = _sound->getBits(track->soundHandle);
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int channels = _sound->getChannels(track->soundHandle);
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int32 mixer_size = track->iteration / _callbackFps;
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if (track->stream->endOfData()) {
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mixer_size *= 2;
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}
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if ((bits == 12) || (bits == 16)) {
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if (channels == 1)
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mixer_size &= ~1;
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if (channels == 2)
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mixer_size &= ~3;
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} else {
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if (channels == 2)
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mixer_size &= ~1;
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}
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if (mixer_size == 0)
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continue;
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do {
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if (bits == 12) {
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byte *ptr = NULL;
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mixer_size += track->mod;
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int mixer_size_12 = (mixer_size * 3) / 4;
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int length = (mixer_size_12 / 3) * 4;
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track->mod = mixer_size - length;
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int32 offset = (track->regionOffset * 3) / 4;
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int result2 = _sound->getDataFromRegion(track->soundHandle, track->curRegion, &ptr, offset, mixer_size_12);
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result = BundleCodecs::decode12BitsSample(ptr, &data, result2);
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free(ptr);
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} else if (bits == 16) {
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result = _sound->getDataFromRegion(track->soundHandle, track->curRegion, &data, track->regionOffset, mixer_size);
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if (channels == 1) {
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result &= ~1;
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}
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if (channels == 2) {
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result &= ~3;
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}
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} else if (bits == 8) {
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result = _sound->getDataFromRegion(track->soundHandle, track->curRegion, &data, track->regionOffset, mixer_size);
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if (channels == 2) {
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result &= ~1;
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}
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}
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if (result > mixer_size)
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result = mixer_size;
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if (_vm->_mixer->isReady()) {
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_vm->_mixer->setChannelVolume(track->handle, vol);
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_vm->_mixer->setChannelBalance(track->handle, pan);
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track->stream->append(data, result);
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track->regionOffset += result;
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}
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free(data);
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if (_sound->isEndOfRegion(track->soundHandle, track->curRegion)) {
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switchToNextRegion(track);
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if (track->toBeRemoved)
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break;
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}
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mixer_size -= result;
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assert(mixer_size >= 0);
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} while (mixer_size != 0);
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} else if (track->stream2) {
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if (_vm->_mixer->isReady()) {
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if (!track->started) {
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track->started = true;
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_vm->_mixer->playInputStream(type, &track->handle, track->stream2, -1, vol, pan, false);
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} else {
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_vm->_mixer->setChannelVolume(track->handle, vol);
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_vm->_mixer->setChannelBalance(track->handle, pan);
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}
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}
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}
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}
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}
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}
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void IMuseDigital::switchToNextRegion(Track *track) {
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assert(track);
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debug(5, "switchToNextRegion(track:%d)", track->trackId);
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if (track->trackId >= MAX_DIGITAL_TRACKS) {
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track->toBeRemoved = true;
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debug(5, "exit (fadetrack can't go next region) switchToNextRegion(trackId:%d)", track->trackId);
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return;
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}
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int num_regions = _sound->getNumRegions(track->soundHandle);
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if (++track->curRegion == num_regions) {
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track->toBeRemoved = true;
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debug(5, "exit (end of regions) switchToNextRegion(track:%d)", track->trackId);
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return;
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}
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ImuseDigiSndMgr::soundStruct *soundHandle = track->soundHandle;
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int jumpId = _sound->getJumpIdByRegionAndHookId(soundHandle, track->curRegion, track->curHookId);
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if (jumpId == -1)
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jumpId = _sound->getJumpIdByRegionAndHookId(soundHandle, track->curRegion, 0);
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if (jumpId != -1) {
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int region = _sound->getRegionIdByJumpId(soundHandle, jumpId);
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assert(region != -1);
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int sampleHookId = _sound->getJumpHookId(soundHandle, jumpId);
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assert(sampleHookId != -1);
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int fadeDelay = (60 * _sound->getJumpFade(soundHandle, jumpId)) / 1000;
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if (sampleHookId != 0) {
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if (track->curHookId == sampleHookId) {
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if (fadeDelay != 0) {
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Track *fadeTrack = cloneToFadeOutTrack(track, fadeDelay);
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fadeTrack->dataOffset = _sound->getRegionOffset(fadeTrack->soundHandle, fadeTrack->curRegion);
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fadeTrack->regionOffset = 0;
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debug(5, "switchToNextRegion-sound(%d) select %d region, curHookId: %d", fadeTrack->soundId, fadeTrack->curRegion, fadeTrack->curHookId);
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fadeTrack->curHookId = 0;
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}
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track->curRegion = region;
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debug(5, "switchToNextRegion-sound(%d) jump to %d region, curHookId: %d", track->soundId, track->curRegion, track->curHookId);
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track->curHookId = 0;
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}
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} else {
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if (fadeDelay != 0) {
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Track *fadeTrack = cloneToFadeOutTrack(track, fadeDelay);
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fadeTrack->dataOffset = _sound->getRegionOffset(fadeTrack->soundHandle, fadeTrack->curRegion);
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fadeTrack->regionOffset = 0;
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debug(5, "switchToNextRegion-sound(%d) select %d region, curHookId: %d", fadeTrack->soundId, fadeTrack->curRegion, fadeTrack->curHookId);
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}
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track->curRegion = region;
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debug(5, "switchToNextRegion-sound(%d) jump to %d region, curHookId: %d", track->soundId, track->curRegion, track->curHookId);
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}
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}
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debug(5, "switchToNextRegion-sound(%d) select %d region, curHookId: %d", track->soundId, track->curRegion, track->curHookId);
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track->dataOffset = _sound->getRegionOffset(soundHandle, track->curRegion);
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track->regionOffset = 0;
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}
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} // End of namespace Scumm
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