Glenn Maynard
86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
#ifndef RAGE_SOUND_MANAGER_H
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#define RAGE_SOUND_MANAGER_H
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#include <set>
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#include <map>
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#include "SDL_utils.h"
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#include "arch/Sound/RageSoundDriver.h"
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#include "RageThreads.h"
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class RageSound;
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class RageSoundManager
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{
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/* Set of sounds that we've taken over (and are responsible for deleting
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* when they're finished playing): */
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set<RageSound *> owned_sounds;
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/* Set of sounds that are finished and should be deleted. */
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set<RageSound *> sounds_to_delete;
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set<RageSound *> playing_sounds;
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struct FakeSound {
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float begin;
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int samples_read;
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};
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map<RageSound *, FakeSound> fake_sounds;
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RageSoundDriver *driver;
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/* Prefs: */
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float MixVolume;
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RageSound *music;
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public:
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RageMutex lock;
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RageSoundManager(CString drivers);
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~RageSoundManager();
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float GetMixVolume() const { return MixVolume; }
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void SetPrefs(float MixVol);
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void Update(float delta);
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void StartMixing(RageSound *snd); /* used by RageSound */
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void StopMixing(RageSound *snd); /* used by RageSound */
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int GetPosition(const RageSound *snd) const; /* used by RageSound */
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void AddFakeSound(RageSound *snd); /* used by drivers */
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float GetPlayLatency() const;
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void PlayOnce( CString sPath );
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static void PlayOnceFromDir( CString sDir );
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RageSound *PlaySound(RageSound &snd);
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void StopPlayingSound(RageSound &snd);
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void GetCopies(RageSound &snd, vector<RageSound *> &snds);
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/* A list of all sounds that currently exist. RageSound adds and removes
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* itself to this. */
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set<RageSound *> all_sounds;
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void PlayMusic(CString file, bool loop = true, float start_sec = -1, float length_sec = -1, float fade_len = 0);
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void StopMusic() { PlayMusic(""); }
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static void MixAudio(Sint16 *dst, const Sint16 *src, Uint32 len, float volume);
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};
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/* This inputs and outputs 16-bit 44khz stereo input. */
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class SoundMixBuffer
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{
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basic_string<Sint32, char_traits_Sint32> mixbuf;
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float vol;
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public:
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void write(const Sint16 *buf, unsigned size);
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void read(Sint16 *buf);
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unsigned size() const { return mixbuf.size(); }
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void SetVolume(float f);
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SoundMixBuffer();
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};
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extern RageSoundManager *SOUNDMAN;
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#endif
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