1 files changed, 237 insertions, 0 deletions
diff --git a/Src/Plugins/Output/out_ds/ds2.h b/Src/Plugins/Output/out_ds/ds2.h
new file mode 100644
index 00000000..ae8593b3
--- /dev/null
+++ b/Src/Plugins/Output/out_ds/ds2.h
@@ -0,0 +1,237 @@
+#ifndef _DS2_H
+#define _DS2_H
+
+#ifndef STRICT
+#define STRICT
+#endif
+#include <windows.h>
+#include <mmsystem.h>
+#include <dsound.h>
+
+#include "ds_main.h"
+#include "Config.h"
+#include "SoundBlockList.h"
+#include "DevEnum.h"
+#include "VolCtrl.h"
+
+class CriticalSection : public CRITICAL_SECTION
+{
+public:
+	inline void Enter() {EnterCriticalSection(this);}
+	inline void Leave() {LeaveCriticalSection(this);}
+	CriticalSection() {InitializeCriticalSection(this);}
+	~CriticalSection() {DeleteCriticalSection(this);}
+	//BOOL TryEnter() {return TryEnterCriticalSection(this);}
+};
+
+typedef struct
+{
+	UINT sr,bps,nch;
+	UINT buf_size_bytes,buf_size_ms;
+	UINT pos_play,pos_write,latency,latency_ms;
+	UINT lock_count;
+	UINT underruns;
+	size_t bytes_async;
+	__int64 bytes_written,bytes_played;
+	double vol_left,vol_right;
+	GUID current_device;
+	bool have_primary_buffer;
+	bool paused;
+	DWORD dscaps_flags;
+	DWORD dscaps_flags_primary;
+} DS2_REALTIME_STAT;
+
+
+class DS2
+{
+private:
+	
+	DS2(DS2config * cfg);
+
+	SoundBlockList BlockList;
+	UINT LockCount;
+	UINT Underruns;
+	
+	bool DoLock();
+
+public:
+	~DS2();  
+	int WriteData(void * data,UINT size,bool *killswitch);//returns 1 on success and 0 on failure
+	int WriteDataNow(void * data,UINT size);//sleep-less version, writes CanWrite() of bytes immediately, returns amount of data written
+	int ForceWriteData(void * data,UINT size);//sleep-less force-write all the data w/o sleep/canwrite (async buffer has no size limit), use with caution
+
+	/*
+	how to use writedata shit
+
+  a) just WriteData(), will sleep until its done
+  b) WriteDataNow() until we're done (writes as much data as possible at the moment, without sleep)
+  c) ForceWriteData() (evil!), then sleep while CanWrite()<0
+
+    */
+
+	void StartNewStream();
+
+	UINT GetLatency();
+	void _inline Release() {delete this;}//obsolete
+	void Pause(int new_state);
+	void SetVolume(double);
+	inline void SetVolume_Int(int i) {SetVolume((double)i/255.0);}
+	void SetPan(double);
+	inline void SetPan_Int(int i) {SetPan((double)i/128.0);}
+	void Flush();//causes problems with some um.. drivers
+	int CanWrite();//can be negative !!!!!!! (eg. after ForceWriteData)
+	inline UINT BufferStatusPercent() {return MulDiv(data_buffered+(UINT)BlockList.DataSize(),buf_size,100);}
+	void ForcePlay();
+	void KillEndGap();
+
+#ifdef DS2_HAVE_FADES
+	void FadePause(UINT time);
+	void FadeAndForget(UINT time);
+	void Fade(UINT time,double destvol);
+	inline void Fade_Int(UINT time,int destvol) {Fade(time,(double)destvol/255.0);}
+	void FadeX(UINT time,double destvol);//actual fade time depends on volume difference
+	inline void FadeX_Int(UINT time,int destvol) {FadeX(time,(double)destvol/255.0);}
+
+#endif
+
+	void WaitFor(DS2 * prev,UINT fadeout=0);
+
+	//gapless mode stuff
+	void SetCloseOnStop(bool b);
+	bool IsClosed();
+	
+private:
+#ifdef _DEBUG
+	DWORD serial;
+	UINT sync_n;
+#endif
+
+	int Open(DS2config * cfg);
+	DS2 * next;	
+	DS2 * wait;
+	UINT prebuf;
+	DWORD flags;
+	enum
+	{
+		FLAG_UPDATED=1,
+		FLAG_WAITED=1<<1,
+		FLAG_NEED_PLAY_NOW=1<<2,
+		FLAG_DIE_ON_STOP=1<<3,
+		FLAG_CLOSE_ON_STOP=1<<4,
+		FLAG_PAUSED=1<<5,
+		FLAG_PLAYING=1<<6,
+//		FLAG_UNDERRUNNING=1<<7,
+		FLAG_USE_CPU_MNGMNT=1<<8,
+		FLAG_FADEPAUSE=1<<9,
+		FLAG_FADEPAUSING=1<<10,
+		FLAG_STARTSIL=1<<11,
+		FLAG_SWMIXED=1<<12,
+	};
+	IDirectSoundBuffer * pDSB;
+	IDirectSound * myDS;
+	UINT fmt_nch,fmt_bps,fmt_sr,fmt_mul;
+	UINT buf_size,clear_size;
+	__int64 last_nonsil,pos_delta,pos_delta2;
+	inline __int64 GetCurPos() {return data_written-data_buffered;}
+	__int64 GetSafeWrite();
+	__int64 data_written;
+	UINT data_buffered;
+	UINT silence_buffered;
+
+	UINT bytes2ms(UINT bytes);
+	UINT ms2bytes(UINT ms);
+	
+
+#ifdef DS2_HAVE_FADES
+	DsVolCtrl VolCtrl;
+	double fadepause_orgvol;
+	UINT fadepause_time;
+	UINT waitfade;
+
+#else
+	class DsVolCtrl
+	{
+	private:
+		double CurVol,CurPan;
+	public:
+		DsVolCtrl() {CurVol=1;CurPan=0;}
+		inline void SetTime(__int64) {}
+		inline void SetFade(__int64,double) {}
+		inline void SetFadeVol(__int64,double,double) {}
+		inline void SetFadePan(__int64,double,double) {}
+		inline void SetVolume(double v) {CurVol=v;}
+		inline void SetPan(double p) {CurPan=p;}
+//		inline __int64 RelFade(__int64 max,double destvol) {return 0;}
+		void Apply(IDirectSoundBuffer * pDSB);
+		inline bool Fading() {return 0;}
+//		inline double GetCurVol() {return CurVol;}
+//		inline double GetDestVol() {return CurVol;}
+		inline void Reset() {}
+	};
+	DsVolCtrl VolCtrl;
+#endif
+
+	void SetVolumeI(double);
+	void SetPanI(int _pan);
+	void _setvol();
+	void _setpan();
+	void update_pos();
+	void ds_stop();
+	void ds_kill();
+	bool Update();
+
+	void reset_vars();
+	void do_reset_vars();
+
+	int silence_delta;
+	void test_silence(char * buf,int len,int * first,int* last);
+
+	static DWORD WINAPI ThreadFunc(void*);
+	UINT _inline _align() {return (fmt_bps>>3)*fmt_nch;}
+	UINT _inline _align_var(UINT var) {return var-(var%_align());}
+
+
+	static void SYNC_IN();
+	static void SYNC_OUT();
+
+	typedef HRESULT (WINAPI *tDirectSoundCreate)( const GUID * lpGuid,  LPDIRECTSOUND * ppDS,    IUnknown FAR * pUnkOuter  );
+	static tDirectSoundCreate pDirectSoundCreate;
+
+	static IDirectSound * pDS;
+
+public:
+
+	static void Init();//init is OBSOLETE
+	static void Quit(bool wait=0);//must be called on exit, NOT from DllMain, its ok to call it if init never happened
+
+	static DS2 * Create(DS2config * cfg);
+
+	static bool InitDLL();//used internally
+
+	static HRESULT myDirectSoundCreate(const GUID * g,IDirectSound ** out);
+
+	static void SetTotalTime(__int64);
+	static __int64 GetTotalTime();
+	static UINT InstanceCount();
+
+	void GetRealtimeStat(DS2_REALTIME_STAT * stat);
+	static bool GetRealtimeStatStatic(DS2_REALTIME_STAT * stat);
+	__int64 GetOutputTime();
+
+#ifdef DS2_HAVE_DEVICES
+	static bool TryGetDevCaps(const GUID *g,LPDSCAPS pCaps,DWORD * speakercfg=0);//for current device
+
+	typedef HRESULT (WINAPI *tDirectSoundEnumerate)(LPDSENUMCALLBACK lpDSEnumCallback,LPVOID lpContext);
+	static tDirectSoundEnumerate pDirectSoundEnumerate;
+
+	static GUID GetCurDev();
+#endif
+
+
+#ifdef DS2_HAVE_PITCH
+	void SetPitch(double p);
+#endif
+
+};
+
+#endif
+\ No newline at end of file