Initial community commit

Src/Plugins/Output/out_wave/waveout.h

@@ -0,0 +1,125 @@
+/*
+simple waveout class.
+usage:
+create the object
+write PCM data using WriteData(); WriteData() returns number of bytes successfully written; CanWrite() returns amout of bytes you can write at given point of time
+ForcePlay after writing last data block to ensure that all your PCM data gets queued to waveout
+wait for GetLatency() to become 0 to ensure that playback is finished
+delete the object
+*/
+
+
+class WaveOutConfig
+{
+	friend class WaveOut;
+private:
+	UINT sr,nch,bps,buf_ms,dev,prebuf;
+	WCHAR* error;
+	void SetError(const WCHAR* x);
+	bool use_volume,use_altvol,resetvol;
+public:
+	WaveOutConfig()
+	{
+		error=0;
+		sr=44100;
+		nch=2;
+		bps=16;
+		buf_ms=2000;
+		dev=0;
+		prebuf=200;
+		use_volume=1;
+		use_altvol=0;
+		resetvol=0;
+	}
+	void SetPCM(UINT _sr,UINT _nch,UINT _bps) {sr=_sr;nch=_nch;bps=_bps;}
+	void SetBuffer(UINT _buf,UINT _prebuf) {buf_ms=_buf;prebuf=_prebuf;}
+	void SetDevice(UINT d) {dev=d;}
+	void SetVolumeSetup(bool enabled,bool alt,bool _reset) {use_volume = enabled;use_altvol=alt;resetvol=_reset;}
+	~WaveOutConfig()
+	{
+		if (error) LocalFree(error);
+	}
+
+	//call these after attempting to create WaveOut
+	const WCHAR* GetError() {return error;}
+
+};
+
+class WaveOut{
+public:
+	static WaveOut * Create(WaveOutConfig * cfg);
+
+	~WaveOut();
+	
+	int WriteData(const void * ptr,UINT siz);
+
+	int GetLatency(void);
+
+	void Flush();
+
+  
+	void SetVolume(int v);
+	void SetPan(int p);
+	void Pause(int s);
+	void ForcePlay();
+	int CanWrite();
+	int IsPaused() {return paused?1:0;}
+	UINT GetMaxLatency() {return MulDiv(buf_size,1000,fmt_mul);}
+	bool PrintState(char * z);
+
+	//for gapless mode
+	void SetCloseOnStop(bool b) {closeonstop=b;}
+	bool IsClosed();
+
+private:
+	WaveOut();
+
+	typedef struct tagHEADER
+	{
+		tagHEADER * next;
+		WAVEHDR hdr;
+	} HEADER;
+	HEADER * hdr_alloc();
+	void hdr_free(HEADER * h);
+	static void hdr_free_list(HEADER * h);
+	
+	HWAVEOUT hWo;
+	HANDLE hThread;
+	HANDLE hEvent;
+	CRITICAL_SECTION sync;
+	HEADER *hdrs,*hdrs_free;
+	UINT fmt_bps,fmt_nch,fmt_sr,fmt_mul,fmt_align;//,fmt_chan;
+	char * buffer;
+	UINT buf_size,buf_size_used;
+	UINT data_written,write_ptr;
+	UINT minblock,maxblock,avgblock;
+	DWORD last_time;
+	DWORD p_time;
+	UINT prebuf;
+
+	UINT n_playing;
+	UINT cur_block;
+	bool paused,needplay;
+	bool die;
+	bool use_volume,use_altvol,use_resetvol;
+	bool newpause;//,needflush;
+	bool closeonstop;
+	int myvol,mypan;
+	DWORD orgvol;
+	
+
+	
+
+	void killwaveout();
+	void flush();
+	void update_vol();	
+	void advance_block();
+
+	void reset_shit();
+	void thread();
+	void init();
+	int open(WaveOutConfig * cfg);
+	void do_altvol(char * ptr,UINT s);
+	void do_altvol_i(char * ptr,UINT max,UINT start,UINT d,int vol);
+	static DWORD WINAPI ThreadProc(WaveOut * p);
+};