mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-14 13:58:01 +00:00
2b9311aa26
- cleanup a little, - added pool method for FT voc sample from resource, - make struct sync, jump, regions dynamic memory allocation svn-id: r13486
243 lines
8.0 KiB
C++
243 lines
8.0 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2004 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/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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void IMuseDigital::allocSlot(int priority) {
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int l;
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int lower_priority = 127;
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bool found_free = false;
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for (l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if (!_track[l].used && !_track[l].handle.isActive())
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found_free = true;
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}
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if (!found_free) {
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warning("IMuseDigital::startSound(): All slots are full");
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for (l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if (_track[l].used && _track[l].handle.isActive() &&
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(lower_priority > _track[l].priority) && (!_track[l].stream2))
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lower_priority = _track[l].priority;
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}
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if (lower_priority <= priority) {
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int track_id = -1;
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for (l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if (_track[l].used && _track[l].handle.isActive() &&
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(lower_priority == _track[l].priority) && (!_track[l].stream2)) {
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track_id = l;
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}
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}
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assert(track_id != -1);
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_track[track_id].stream->finish();
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_track[track_id].stream = NULL;
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_vm->_mixer->stopHandle(_track[track_id].handle);
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_sound->closeSound(_track[track_id].soundHandle);
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_track[track_id].used = false;
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assert(!_track[track_id].handle.isActive());
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warning("IMuseDigital::startSound(): Removed sound %d from track %d", _track[track_id].soundId, track_id);
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} else {
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warning("IMuseDigital::startSound(): Priority sound too low");
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return;
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}
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}
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}
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void IMuseDigital::startSound(int soundId, const char *soundName, int soundType, int volGroupId, AudioStream *input, int hookId, int volume, int priority) {
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Common::StackLock lock(_mutex, "IMuseDigital::startSound()");
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debug(5, "IMuseDigital::startSound(%d)", soundId);
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int l;
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allocSlot(priority);
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for (l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if (!_track[l].used && !_track[l].handle.isActive()) {
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_track[l].pan = 64;
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_track[l].vol = volume * 1000;
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_track[l].volFadeDest = 0;
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_track[l].volFadeStep = 0;
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_track[l].volFadeDelay = 0;
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_track[l].volFadeUsed = false;
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_track[l].soundId = soundId;
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_track[l].started = false;
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_track[l].volGroupId = volGroupId;
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_track[l].curHookId = hookId;
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_track[l].priority = priority;
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_track[l].curRegion = -1;
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_track[l].dataOffset = 0;
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_track[l].regionOffset = 0;
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_track[l].trackOffset = 0;
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_track[l].mod = 0;
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_track[l].toBeRemoved = false;
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int bits = 0, freq = 0, channels = 0, mixerFlags = 0;
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if (input) {
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_track[l].iteration = 1; // ?
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// Do nothing here, we already have an audio stream
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} else {
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_track[l].soundHandle = _sound->openSound(soundId, soundName, soundType, volGroupId);
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if (_track[l].soundHandle == NULL)
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return;
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bits = _sound->getBits(_track[l].soundHandle);
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channels = _sound->getChannels(_track[l].soundHandle);
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freq = _sound->getFreq(_track[l].soundHandle);
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if ((soundId == kTalkSoundID) && (soundType == IMUSE_BUNDLE)) {
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if (_vm->_actorToPrintStrFor != 0xFF && _vm->_actorToPrintStrFor != 0) {
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Actor *a = _vm->derefActor(_vm->_actorToPrintStrFor, "IMuseDigital::startSound");
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freq = (freq * a->talkFrequency) / 256;
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_track[l].pan = a->talkPan;
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_track[l].vol = a->talkVolume * 1000;
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}
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}
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assert(bits == 8 || bits == 12 || bits == 16);
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assert(channels == 1 || channels == 2);
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assert(0 < freq && freq <= 65535);
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// Round the frequency to a multiple of 25. This is done to
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// ensure we don't run into data under-/overflows (this is a
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// design limitation of the current IMuseDigital code, which
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// pushes data 'blindly' into the mixer, instead of providing
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// a pull based interface, i.e. a custom AudioInputStream
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// subclass).
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freq -= (freq % 25);
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_track[l].iteration = _track[l].pullSize = freq * channels;
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if (channels == 2)
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mixerFlags = SoundMixer::FLAG_STEREO | SoundMixer::FLAG_REVERSE_STEREO;
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if ((bits == 12) || (bits == 16)) {
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mixerFlags |= SoundMixer::FLAG_16BITS;
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_track[l].iteration = _track[l].pullSize *= 2;
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} else if (bits == 8) {
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mixerFlags |= SoundMixer::FLAG_UNSIGNED;
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} else
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error("IMuseDigital::startSound(): Can't handle %d bit samples", bits);
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_track[l].pullSize /= 25; // We want a "frame rate" of 25 audio blocks per second
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}
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if (input) {
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_track[l].stream2 = input;
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_track[l].stream = NULL;
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} else {
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_track[l].stream2 = NULL;
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_track[l].stream = makeAppendableAudioStream(freq, mixerFlags, 100000);
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_vm->_mixer->playInputStream(&_track[l].handle, _track[l].stream, false, _track[l].vol / 1000, _track[l].pan, -1);
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}
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_track[l].used = true;
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return;
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}
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}
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warning("it should not happen");
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assert(0);
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}
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void IMuseDigital::setPriority(int soundId, int priority) {
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Common::StackLock lock(_mutex, "IMuseDigital::setPriority()");
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debug(5, "IMuseDigital::setPriority(%d, %d)", soundId, priority);
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assert ((priority >= 0) && (priority <= 127));
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for (int l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if ((_track[l].soundId == soundId) && _track[l].used) {
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_track[l].priority = priority;
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}
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}
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}
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void IMuseDigital::setVolume(int soundId, int volume) {
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Common::StackLock lock(_mutex, "IMuseDigital::setVolume()");
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debug(5, "IMuseDigital::setVolume(%d, %d)", soundId, volume);
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for (int l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if ((_track[l].soundId == soundId) && _track[l].used) {
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_track[l].vol = volume * 1000;
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}
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}
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}
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void IMuseDigital::setPan(int soundId, int pan) {
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Common::StackLock lock(_mutex, "IMuseDigital::setPan()");
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debug(5, "IMuseDigital::setPan(%d, %d)", soundId, pan);
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for (int l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if ((_track[l].soundId == soundId) && _track[l].used) {
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_track[l].pan = pan;
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}
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}
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}
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void IMuseDigital::selectVolumeGroup(int soundId, int volGroupId) {
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Common::StackLock lock(_mutex, "IMuseDigital::setGroupVolume()");
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debug(5, "IMuseDigital::setGroupVolume(%d, %d)", soundId, volGroupId);
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assert((volGroupId >= 1) && (volGroupId <= 3));
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for (int l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if ((_track[l].soundId == soundId) && _track[l].used) {
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_track[l].volGroupId = volGroupId;
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}
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}
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}
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void IMuseDigital::setFade(int soundId, int destVolume, int delay60HzTicks) {
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Common::StackLock lock(_mutex, "IMuseDigital::setFade()");
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debug(5, "IMuseDigital::setFade(%d, %d, %d)", soundId, destVolume, delay60HzTicks);
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for (int l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if ((_track[l].soundId == soundId) && _track[l].used) {
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_track[l].volFadeDelay = delay60HzTicks;
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_track[l].volFadeDest = destVolume * 1000;
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_track[l].volFadeStep = (_track[l].volFadeDest - _track[l].vol) * 60 * 40 / (1000 * delay60HzTicks);
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_track[l].volFadeUsed = true;
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}
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}
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}
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void IMuseDigital::fadeOutMusic(int fadeDelay) {
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Common::StackLock lock(_mutex, "IMuseDigital::fadeOutMusic()");
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debug(5, "IMuseDigital::fadeOutMusic");
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for (int l = 0; l < MAX_DIGITAL_TRACKS; l++) {
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if ((_track[l].used) && (_track[l].volGroupId == IMUSE_VOLGRP_MUSIC) && (!_track[l].volFadeUsed)) {
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_track[l].volFadeDelay = fadeDelay;
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_track[l].volFadeDest = 0;
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_track[l].volFadeStep = (_track[l].volFadeDest - _track[l].vol) * 60 * 40 / (1000 * fadeDelay);
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_track[l].volFadeUsed = true;
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}
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}
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}
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} // End of namespace Scumm
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