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Commit	Line	Data
	1	// --------------------------------------------------------------------------
	2	// Name: sndfile.h
	3	// Purpose:
	4	// Date: 08/11/1999
	5	// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
	6	// CVSID: $Id$
	7	// --------------------------------------------------------------------------
	8	#ifndef _WX_SNDFILE_H
	9	#define _WX_SNDFILE_H
	10
	11	#include <wx/defs.h>
	12	#include <wx/stream.h>
	13	#include <stdlib.h>
	14	#include "sndbase.h"
	15	#include "sndcodec.h"
	16
	17	#define wxSOUND_INFINITE_TIME ((unsigned long)-1)
	18
	19	//
	20	// Codec router class
	21	//
	22
	23	class WXDLLEXPORT wxSoundRouterStream: public wxSoundStreamCodec {
	24	public:
	25	wxSoundRouterStream(wxSoundStream& sndio);
	26	~wxSoundRouterStream();
	27
	28	wxSoundStream& Read(void *buffer, wxUint32 len);
	29	wxSoundStream& Write(const void *buffer, wxUint32 len);
	30
	31	bool SetSoundFormat(const wxSoundFormatBase& format);
	32
	33	bool StartProduction(int evt);
	34	bool StopProduction();
	35
	36	wxUint32 GetBestSize() const;
	37
	38	protected:
	39	wxSoundStream *m_router;
	40	};
	41
	42	typedef enum {
	43	wxSOUND_FILE_STOPPED,
	44	wxSOUND_FILE_PAUSED,
	45	wxSOUND_FILE_PLAYING,
	46	wxSOUND_FILE_RECORDING
	47	} wxSoundFileState;
	48
	49	//
	50	// Base class for file coders/decoders
	51	//
	52
	53	class wxSoundFileStream: public wxSoundStream {
	54	public:
	55	wxSoundFileStream(wxInputStream& stream, wxSoundStream& io_sound);
	56	wxSoundFileStream(wxOutputStream& stream, wxSoundStream& io_sound);
	57	~wxSoundFileStream();
	58
	59	bool Play();
	60	bool Record(unsigned long time);
	61	bool Stop();
	62	bool Pause();
	63	bool Resume();
	64
	65	bool IsStopped() const { return m_state == wxSOUND_FILE_STOPPED; }
	66
	67	bool StartProduction(int evt);
	68	bool StopProduction();
	69
	70	unsigned long GetLength() const;
	71
	72	wxSoundStream& Read(void *buffer, wxUint32 len);
	73	wxSoundStream& Write(const void *buffer, wxUint32 len);
	74
	75	void SetDuplexMode(bool duplex);
	76
	77	bool SetSoundFormat(const wxSoundFormatBase& format);
	78
	79	virtual bool CanRead() { return FALSE; }
	80
	81	protected:
	82	wxSoundRouterStream m_codec;
	83	wxSoundStream *m_sndio;
	84	wxInputStream *m_input;
	85	wxOutputStream *m_output;
	86
	87	wxSoundFileState m_state, m_oldstate;
	88	wxUint32 m_len;
	89
	90	protected:
	91	virtual bool PrepareToPlay() = 0;
	92	virtual bool PrepareToRecord(unsigned long time) = 0;
	93	virtual bool FinishRecording() = 0;
	94
	95	virtual wxUint32 GetData(void *buffer, wxUint32 len) = 0;
	96	virtual wxUint32 PutData(const void *buffer, wxUint32 len) = 0;
	97
	98	void OnSoundEvent(int evt);
	99	};
	100
	101	#endif