58d4c4f9ae
samples, a problem for the alternate sound renderer if it happened to be playing any sounds at the time, since it would try to keep on playing them. SVN r483 (trunk)
106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
#ifndef ALTSOUND_H
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#define ALTSOUND_H
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <mmsystem.h>
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#include <dsound.h>
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#include "i_sound.h"
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class AltSoundRenderer : public SoundRenderer
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{
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public:
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AltSoundRenderer ();
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~AltSoundRenderer ();
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bool IsValid ();
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void SetSfxVolume (float volume);
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int SetChannels (int numchans);
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void LoadSound (sfxinfo_t *sfx);
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void UnloadSound (sfxinfo_t *sfx);
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// Streaming sounds. PlayStream returns a channel handle that can be used with StopSound.
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SoundStream *CreateStream (SoundStreamCallback callback, int buffsamples, int flags, int samplerate, void *userdata);
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SoundStream *OpenStream (const char *filename, int flags, int offset, int length);
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// Starts a sound in a particular sound channel.
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long StartSound (sfxinfo_t *sfx, int vol, int sep, int pitch, int channel, bool looping, bool pauseable);
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// Stops a sound channel.
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void StopSound (long handle);
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// Stops all sounds.
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void StopAllChannels ();
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// Pauses or resumes all sound effect channels.
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void SetSfxPaused (bool paused);
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// Returns true if the channel is still playing a sound.
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bool IsPlayingSound (long handle);
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// Updates the volume, separation, and pitch of a sound channel.
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void UpdateSoundParams (long handle, int vol, int sep, int pitch);
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// For use by I_PlayMovie
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void MovieDisableSound ();
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void MovieResumeSound ();
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void UpdateSounds ();
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void PrintStatus ();
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void PrintDriversList ();
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FString GatherStats ();
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private:
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struct Channel;
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struct Stream;
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LPDIRECTSOUND lpds;
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LPDIRECTSOUNDBUFFER lpdsb, lpdsbPrimary;
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int Frequency;
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bool SimpleDown;
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int Amp;
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DWORD BufferSamples, BufferBytes;
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DWORD WritePos;
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DWORD BufferTime;
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DWORD MaxWaitTime;
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SDWORD *RenderBuffer;
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HANDLE MixerThread;
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HANDLE MixerEvent;
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bool MixerQuit;
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enum { NUM_PERFMETERS = 32 };
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double PerfMeter[NUM_PERFMETERS];
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int CurPerfMeter;
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Channel *Channels;
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int NumChannels;
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Stream *Streams;
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CRITICAL_SECTION StreamCriticalSection;
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bool DidInit;
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bool Init ();
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void Shutdown ();
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void CopyAndClip (SWORD *buffer, DWORD count, DWORD start);
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void UpdateSound ();
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void AddChannel8 (Channel *chan, DWORD count);
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void AddChannel16 (Channel *chan, DWORD count);
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void AddStream8 (Stream *chan, DWORD count);
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void AddStream16 (Stream *chan, DWORD count);
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static DWORD WINAPI MixerThreadFunc (LPVOID param);
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static SQWORD MixMono8 (SDWORD *dest, const SBYTE *src, DWORD count, SQWORD pos, SQWORD step, int leftvol, int rightvol);
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static SQWORD MixMono16 (SDWORD *dest, const SWORD *src, DWORD count, SQWORD pos, SQWORD step, int leftvol, int rightvol);
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static SQWORD MixStereo8 (SDWORD *dest, const SBYTE *src, DWORD count, SQWORD pos, SQWORD step, int vol);
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static SQWORD MixStereo16 (SDWORD *dest, const SWORD *src, DWORD count, SQWORD pos, SQWORD step, int vol);
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};
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class AltSoundStream : public SoundStream
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{
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};
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#endif
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