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https://github.com/libretro/scummvm.git
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503188593a
Before trying an heuristic on the decoded data it simply checks if we get the expected resource size after decompression. When using the wrong endianness this is unlikely to be the case.
139 lines
3.7 KiB
C++
139 lines
3.7 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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*/
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#ifndef SWORD1_SOUND_H
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#define SWORD1_SOUND_H
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#include "sword1/object.h"
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#include "sword1/sworddefs.h"
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#include "common/file.h"
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#include "common/util.h"
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#include "common/random.h"
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#include "audio/mixer.h"
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namespace Audio {
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class Mixer;
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}
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namespace Sword1 {
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#define TOTAL_FX_PER_ROOM 7 // total loop & random fx per room (see fx_list.c)
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#define MAX_ROOMS_PER_FX 7 // max no. of rooms in the fx's room,vol list
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#define MAX_FXQ_LENGTH 32 // max length of sound queue - ie. max number of fx that can be stored up/playing together
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#define FX_SPOT 1
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#define FX_LOOP 2
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#define FX_RANDOM 3
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struct QueueElement {
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uint32 id, delay;
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Audio::SoundHandle handle;
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};
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struct RoomVol {
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int32 roomNo, leftVol, rightVol;
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};
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struct SampleId {
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byte cluster;
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byte idStd;
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byte idWinDemo;
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};
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struct FxDef {
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SampleId sampleId;
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uint32 type, delay;
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RoomVol roomVolList[MAX_ROOMS_PER_FX];
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};
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class ResMan;
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#define WAVE_VOL_TAB_LENGTH 480
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#define WAVE_VOL_THRESHOLD 190000 //120000
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enum CowMode {
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CowWave = 0,
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CowFLAC,
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CowVorbis,
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CowMP3,
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CowDemo,
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CowPSX
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};
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class Sound {
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friend class SwordConsole;
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public:
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Sound(Audio::Mixer *mixer, ResMan *pResMan);
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~Sound();
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void setSpeechVol(uint8 volL, uint8 volR) { _speechVolL = volL; _speechVolR = volR; }
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void setSfxVol(uint8 volL, uint8 volR) { _sfxVolL = volL; _sfxVolR = volR; }
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void giveSpeechVol(uint8 *volL, uint8 *volR) { *volL = _speechVolL; *volR = _speechVolR; }
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void giveSfxVol(uint8 *volL, uint8 *volR) { *volL = _sfxVolL; *volR = _sfxVolR; }
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void newScreen(uint32 screen);
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void quitScreen();
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void closeCowSystem();
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bool startSpeech(uint16 roomNo, uint16 localNo);
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bool speechFinished();
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void stopSpeech();
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bool amISpeaking();
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void fnStopFx(int32 fxNo);
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int addToQueue(int32 fxNo);
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void engine();
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void checkSpeechFileEndianness();
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double endiannessHeuristicValue(int16* data, uint32 dataSize, uint32 &maxSamples);
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private:
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uint8 _sfxVolL, _sfxVolR, _speechVolL, _speechVolR;
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void playSample(QueueElement *elem);
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void initCowSystem();
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uint32 getSampleId(int32 fxNo);
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int16 *uncompressSpeech(uint32 index, uint32 cSize, uint32 *size, bool* ok = 0);
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void calcWaveVolume(int16 *data, uint32 length);
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bool _waveVolume[WAVE_VOL_TAB_LENGTH];
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uint16 _waveVolPos;
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Common::File _cowFile;
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uint32 *_cowHeader;
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uint32 _cowHeaderSize;
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uint8 _currentCowFile;
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CowMode _cowMode;
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Audio::SoundHandle _speechHandle, _fxHandle;
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Common::RandomSource _rnd;
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QueueElement _fxQueue[MAX_FXQ_LENGTH];
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uint8 _endOfQueue;
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Audio::Mixer *_mixer;
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ResMan *_resMan;
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bool _bigEndianSpeech;
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static const char _musicList[270];
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static const uint16 _roomsFixedFx[TOTAL_ROOMS][TOTAL_FX_PER_ROOM];
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static const FxDef _fxList[312];
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};
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} // End of namespace Sword1
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#endif //BSSOUND_H
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