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Diffstat (limited to 'engines/scumm/imuse_digi/dimuse_track.h')
| -rw-r--r-- | engines/scumm/imuse_digi/dimuse_track.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/engines/scumm/imuse_digi/dimuse_track.h b/engines/scumm/imuse_digi/dimuse_track.h new file mode 100644 index 0000000000..e613798569 --- /dev/null +++ b/engines/scumm/imuse_digi/dimuse_track.h @@ -0,0 +1,101 @@ +/* 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. + * + * $URL$ + * $Id$ + */ + +#if !defined(SCUMM_IMUSE_DIGI_TRACK_H) && !defined(DISABLE_SCUMM_7_8) +#define SCUMM_IMUSE_DIGI_TRACK_H + +#include "common/scummsys.h" + +namespace Scumm { + + +// These flag bits correspond exactly to the sound mixer flags of March 2007. +// We don't want to use the mixer flags directly, because then our saved games +// will break in interesting ways if the mixer flags are ever assigned new +// values. Now they should keep working, as long as these flags don't change. + +enum { + kFlagUnsigned = 1 << 0, + kFlag16Bits = 1 << 1, + kFlagLittleEndian = 1 << 2, + kFlagStereo = 1 << 3, + kFlagReverseStereo = 1 << 4 + + // Not used by Digital iMUSE + // kFlagAutoFree = 1 << 5, + // kFlagLoop = 1 << 6 +}; + +struct Track { + int trackId; // used to identify track by value (0-15) + + int8 pan; // panning value of sound + int32 vol; // volume level (values 0-127 * 1000) + int32 volFadeDest; // volume level which fading target (values 0-127 * 1000) + int32 volFadeStep; // delta of step while changing volume at each imuse callback + int32 volFadeDelay; // time in ms how long fading volume must be + bool volFadeUsed; // flag if fading is in progress + + int32 soundId; // sound id used by scumm script + char soundName[15]; // sound name but also filename of sound in bundle data + bool used; // flag mean that track is used + bool toBeRemoved; // flag mean that track need to be free + bool mixerStreamRunning; // flag mean sound mixer's stream is running OBSOLETE + bool souStreamUsed; // flag mean that track use stream from sou file + bool sndDataExtComp;// flag mean that sound data is compressed by scummvm tools + int32 soundPriority;// priority level of played sound (0-127) + int32 regionOffset; // offset to sound data relative to begining of current region + int32 dataOffset; // offset to sound data relative to begining of 'DATA' chunk + int32 curRegion; // id of current used region + int32 curHookId; // id of current used hook id + int32 volGroupId; // id of volume group (IMUSE_VOLGRP_VOICE, IMUSE_VOLGRP_SFX, IMUSE_VOLGRP_MUSIC) + int32 soundType; // type of sound data (kSpeechSoundType, kSFXSoundType, kMusicSoundType) + int32 feedSize; // size of sound data needed to be filled at each callback iteration + int32 dataMod12Bit; // value used between all callback to align 12 bit source of data + int32 mixerFlags; // flags for sound mixer's channel (kFlagStereo, kFlag16Bits, kFlagReverseStereo, kFlagUnsigned, kFlagLittleEndian) + + ImuseDigiSndMgr::SoundDesc *soundDesc; // sound handle used by iMuse sound manager + Audio::SoundHandle mixChanHandle; // sound mixer's channel handle + Audio::AppendableAudioStream *stream; // sound mixer's audio stream handle for *.la1 and *.bun + + Track() : soundId(-1), used(false), stream(NULL) { + } + + int getPan() const { return (pan != 64) ? 2 * pan - 127 : 0; } + int getVol() const { return vol / 1000; } + Audio::Mixer::SoundType getType() const { + Audio::Mixer::SoundType type = Audio::Mixer::kPlainSoundType; + if (volGroupId == 1) + type = Audio::Mixer::kSpeechSoundType; + else if (volGroupId == 2) + type = Audio::Mixer::kSFXSoundType; + else if (volGroupId == 3) + type = Audio::Mixer::kMusicSoundType; + return type; + } +}; + +} // End of namespace Scumm + +#endif |