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Commit	Line	Data
	1	// --------------------------------------------------------------------------
	2	// Name: sndbase.cpp
	3	// Purpose:
	4	// Date: 08/11/1999
	5	// Author: Guilhem Lavaux <lavaux@easynet.fr> (C) 1999
	6	// CVSID: $Id$
	7	// --------------------------------------------------------------------------
	8	#ifdef __GNUG__
	9	#pragma implementation "sndbase.cpp"
	10	#endif
	11
	12	#include <wx/wxprec.h>
	13	#include "sndbase.h"
	14
	15
	16	// ---------------------------------------------------------------------------
	17	// wxSoundFormatBase
	18	// ---------------------------------------------------------------------------
	19
	20	wxSoundFormatBase::wxSoundFormatBase()
	21	{
	22	}
	23
	24	wxSoundFormatBase::~wxSoundFormatBase()
	25	{
	26	}
	27
	28	wxSoundFormatBase *wxSoundFormatBase::Clone() const
	29	{
	30	return NULL;
	31	}
	32
	33	bool wxSoundFormatBase::operator!=(const wxSoundFormatBase& frmt2) const
	34	{
	35	return (GetType() != frmt2.GetType());
	36	}
	37
	38	// ---------------------------------------------------------------------------
	39	// wxSoundStream
	40	// ---------------------------------------------------------------------------
	41
	42	wxSoundStream::wxSoundStream()
	43	{
	44	int i;
	45
	46	m_sndformat = NULL;
	47	m_handler = NULL;
	48	m_snderror = wxSOUND_NOERR;
	49	m_lastcount = 0;
	50	for (i=0;i<2;i++)
	51	m_callback[i] = NULL;
	52	}
	53
	54	wxSoundStream::~wxSoundStream()
	55	{
	56	if (m_sndformat)
	57	delete m_sndformat;
	58	}
	59
	60	// SetSoundFormat returns TRUE when the format can be handled.
	61	bool wxSoundStream::SetSoundFormat(const wxSoundFormatBase& format)
	62	{
	63	if (m_sndformat)
	64	delete m_sndformat;
	65
	66	m_sndformat = format.Clone();
	67	return TRUE;
	68	}
	69
	70	// Register a callback for a specified async event.
	71	void wxSoundStream::Register(int evt, wxSoundCallback cbk, char *cdata)
	72	{
	73	int c;
	74
	75	switch (evt) {
	76	case wxSOUND_INPUT:
	77	c = 0;
	78	break;
	79	case wxSOUND_OUTPUT:
	80	c = 1;
	81	break;
	82	default:
	83	return;
	84	}
	85	m_callback[c] = cbk;
	86	m_cdata[c] = cdata;
	87	}
	88
	89	void wxSoundStream::OnSoundEvent(int evt)
	90	{
	91	int c;
	92
	93	if (m_handler) {
	94	m_handler->OnSoundEvent(evt);
	95	return;
	96	}
	97
	98	switch (evt) {
	99	case wxSOUND_INPUT:
	100	c = 0;
	101	break;
	102	case wxSOUND_OUTPUT:
	103	c = 1;
	104	break;
	105	default:
	106	return;
	107	}
	108	if (m_callback[c])
	109	m_callback[c](this, evt, m_cdata[c]);
	110	}