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102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#if !defined(SCUMM_IMUSE_DIGI_TRACK_H) && !defined(DISABLE_SCUMM_7_8)
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#define SCUMM_IMUSE_DIGI_TRACK_H
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#include "common/scummsys.h"
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namespace Scumm {
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// These flag bits correspond exactly to the sound mixer flags of March 2007.
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// We don't want to use the mixer flags directly, because then our saved games
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// will break in interesting ways if the mixer flags are ever assigned new
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// values. Now they should keep working, as long as these flags don't change.
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enum {
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kFlagUnsigned = 1 << 0,
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kFlag16Bits = 1 << 1,
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kFlagLittleEndian = 1 << 2,
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kFlagStereo = 1 << 3,
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kFlagReverseStereo = 1 << 4
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// Not used by Digital iMUSE
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// kFlagAutoFree = 1 << 5,
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// kFlagLoop = 1 << 6
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};
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struct Track {
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int trackId; // used to identify track by value (0-15)
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int8 pan; // panning value of sound
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int32 vol; // volume level (values 0-127 * 1000)
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int32 volFadeDest; // volume level which fading target (values 0-127 * 1000)
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int32 volFadeStep; // delta of step while changing volume at each imuse callback
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int32 volFadeDelay; // time in ms how long fading volume must be
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bool volFadeUsed; // flag if fading is in progress
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int32 soundId; // sound id used by scumm script
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char soundName[15]; // sound name but also filename of sound in bundle data
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bool used; // flag mean that track is used
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bool toBeRemoved; // flag mean that track need to be free
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bool mixerStreamRunning; // flag mean sound mixer's stream is running OBSOLETE
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bool souStreamUsed; // flag mean that track use stream from sou file
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bool sndDataExtComp;// flag mean that sound data is compressed by scummvm tools
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int32 soundPriority;// priority level of played sound (0-127)
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int32 regionOffset; // offset to sound data relative to begining of current region
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int32 dataOffset; // offset to sound data relative to begining of 'DATA' chunk
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int32 curRegion; // id of current used region
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int32 curHookId; // id of current used hook id
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int32 volGroupId; // id of volume group (IMUSE_VOLGRP_VOICE, IMUSE_VOLGRP_SFX, IMUSE_VOLGRP_MUSIC)
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int32 soundType; // type of sound data (kSpeechSoundType, kSFXSoundType, kMusicSoundType)
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int32 feedSize; // size of sound data needed to be filled at each callback iteration
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int32 dataMod12Bit; // value used between all callback to align 12 bit source of data
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int32 mixerFlags; // flags for sound mixer's channel (kFlagStereo, kFlag16Bits, kFlagReverseStereo, kFlagUnsigned, kFlagLittleEndian)
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ImuseDigiSndMgr::SoundDesc *soundDesc; // sound handle used by iMuse sound manager
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Audio::SoundHandle mixChanHandle; // sound mixer's channel handle
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Audio::AppendableAudioStream *stream; // sound mixer's audio stream handle for *.la1 and *.bun
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Track() : soundId(-1), used(false), stream(NULL) {
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}
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int getPan() const { return (pan != 64) ? 2 * pan - 127 : 0; }
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int getVol() const { return vol / 1000; }
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Audio::Mixer::SoundType getType() const {
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Audio::Mixer::SoundType type = Audio::Mixer::kPlainSoundType;
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if (volGroupId == 1)
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type = Audio::Mixer::kSpeechSoundType;
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else if (volGroupId == 2)
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type = Audio::Mixer::kSFXSoundType;
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else if (volGroupId == 3)
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type = Audio::Mixer::kMusicSoundType;
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return type;
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}
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};
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} // End of namespace Scumm
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#endif
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