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/*
Copyright (C) 2001-2004 Stephane Magnenat & Luc-Olivier de Charrière
for any question or comment contact us at <stephane at magnenat dot net> or <NuageBleu at gmail dot com>
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 3 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __SOUNDMIXER_H
#define __SOUNDMIXER_H
#ifndef DX9_BACKEND // TODO:Die!
#include <SDL.h>
#include <SDL_audio.h>
#else
#include <Types.h>
#endif
#include <vorbis/codec.h>
#include <vorbis/vorbisfile.h>
#include <vector>
#include <queue>
#include <map>
#include <boost/shared_ptr.hpp>
class OrderVoiceData;
class SoundMixer
{
public:
enum MusicMode
{
MODE_STOPPED = 0,
MODE_NORMAL,
MODE_EARLY_CHANGE,
MODE_STOP,
MODE_START
} mode;
std::vector<OggVorbis_File *> tracks;
int actTrack, nextTrack;
bool earlyChange;
bool soundEnabled;
unsigned musicVolume;
unsigned voiceVolume;
//! Voice for one player
struct PlayerVoice
{
//! float sample from speex decoder
std::queue<float> voiceDatas;
//! subsample precision for voice (8Khz instead of 44.1Khz)
float voiceSubIndex;
//! value used for interpolation and optimisation. Linear interpolation is done on the 8Khz audio datas
float voiceVal0;
float voiceVal1;
};
//! Map of voices to players
std::map<int, PlayerVoice> voices;
//! pointer to the structure holding the speex decoder
void *speexDecoderState;
//! if voice data is available, insert it to output
inline void handleVoiceInsertion(int *outputSample, int voicevol);
protected:
void openAudio(void);
public:
SoundMixer(unsigned musicvol = 255, unsigned voicevol = 255, bool mute = false);
~SoundMixer();
int loadTrack(const char *name);
void setNextTrack(unsigned i, bool earlyChange=false);
void setVolume(unsigned musicVolume, unsigned voiceVolume, bool mute);
void stopMusic(void);
//! Tells whether the given player is being heard in voip
bool isPlayerTransmittingVoice(int player);
//! Add voice data from order. Data should be copied as order will be destroyed after this call
void addVoiceData(boost::shared_ptr<OrderVoiceData> order);
};
#endif
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